]> git.sur5r.net Git - openldap/blobdiff - servers/slapd/result.c
Add a safety check to bvcasechr
[openldap] / servers / slapd / result.c
index 3ee2d569dbc1118b1b410def0df37a9b21bad79d..228d4efdc4f666e39cae25e8f30820896a9f4fa4 100644 (file)
@@ -1,7 +1,7 @@
 /* result.c - routines to send ldap results, errors, and referrals */
 /* $OpenLDAP$ */
 /*
- * Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved.
+ * Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
  * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
  */
 
@@ -19,7 +19,7 @@
 
 #include "slap.h"
 
-static char *v2ref( struct berval **ref, const char *text )
+static char *v2ref( BerVarray ref, const char *text )
 {
        size_t len = 0, i = 0;
        char *v2;
@@ -49,12 +49,12 @@ static char *v2ref( struct berval **ref, const char *text )
        strcpy( v2+len, "Referral:" );
        len += sizeof("Referral:");
 
-       for( i=0; ref[i] != NULL; i++ ) {
-               v2 = ch_realloc( v2, len + ref[i]->bv_len + 1 );
+       for( i=0; ref[i].bv_val != NULL; i++ ) {
+               v2 = ch_realloc( v2, len + ref[i].bv_len + 1 );
                v2[len-1] = '\n';
-               AC_MEMCPY(&v2[len], ref[i]->bv_val, ref[i]->bv_len );
-               len += ref[i]->bv_len;
-               if (ref[i]->bv_val[ref[i]->bv_len-1] != '/') {
+               AC_MEMCPY(&v2[len], ref[i].bv_val, ref[i].bv_len );
+               len += ref[i].bv_len;
+               if (ref[i].bv_val[ref[i].bv_len-1] != '/') {
                        ++len;
                }
        }
@@ -95,87 +95,6 @@ static ber_tag_t req2res( ber_tag_t tag )
        return tag;
 }
 
-static void trim_refs_urls(
-       struct berval **refs )
-{
-       unsigned i;
-
-       if( refs == NULL ) return;
-
-       for( i=0; refs[i] != NULL; i++ ) {
-               if(     refs[i]->bv_len > sizeof("ldap://")-1 &&
-                       strncasecmp( refs[i]->bv_val, "ldap://",
-                               sizeof("ldap://")-1 ) == 0 )
-               {
-                       unsigned j;
-                       for( j=sizeof("ldap://")-1; j<refs[i]->bv_len ; j++ ) {
-                               if( refs[i]->bv_val[j] == '/' ) {
-                                       refs[i]->bv_val[j] = '\0';
-                                       refs[i]->bv_len = j;
-                                       break;
-                               }
-                       }
-               }
-       }
-}
-
-struct berval **get_entry_referrals(
-       Backend *be,
-       Connection *conn,
-       Operation *op,
-       Entry *e )
-{
-       Attribute *attr;
-       struct berval **refs;
-       unsigned i, j;
-
-       AttributeDescription *ad_ref = slap_schema.si_ad_ref;
-
-       attr = attr_find( e->e_attrs, ad_ref );
-
-       if( attr == NULL ) return NULL;
-
-       for( i=0; attr->a_vals[i] != NULL; i++ ) {
-               /* count references */
-       }
-
-       if( i < 1 ) return NULL;
-
-       refs = ch_malloc( (i + 1) * sizeof(struct berval *));
-
-       for( i=0, j=0; attr->a_vals[i] != NULL; i++ ) {
-               unsigned k;
-               struct berval *ref = ber_bvdup( attr->a_vals[i] );
-
-               /* trim the label */
-               for( k=0; k<ref->bv_len; k++ ) {
-                       if( isspace(ref->bv_val[k]) ) {
-                               ref->bv_val[k] = '\0';
-                               ref->bv_len = k;
-                               break;
-                       }
-               }
-
-               if(     ref->bv_len > 0 ) {
-                       refs[j++] = ref;
-
-               } else {
-                       ber_bvfree( ref );
-               }
-       }
-
-       refs[j] = NULL;
-
-       if( j == 0 ) {
-               ber_bvecfree( refs );
-               refs = NULL;
-       }
-
-       /* we should check that a referral value exists... */
-
-       return refs;
-}
-
 static long send_ldap_ber(
        Connection *conn,
        BerElement *ber )
@@ -215,15 +134,14 @@ static long send_ldap_ber(
                 */
 
 #ifdef NEW_LOGGING
-                LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
-                           "send_ldap_ber: conn %d  ber_flush failed err=%d (%s)\n",
-                           conn ? conn->c_connid : 0, err, sock_errstr(err) ));
+               LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
+                          "send_ldap_ber: conn %d  ber_flush failed err=%d (%s)\n",
+                          conn ? conn->c_connid : 0, err, sock_errstr(err) ));
 #else
                Debug( LDAP_DEBUG_CONNS, "ber_flush failed errno=%d reason=\"%s\"\n",
                    err, sock_errstr(err), 0 );
 #endif
 
-
                if ( err != EWOULDBLOCK && err != EAGAIN ) {
                        connection_closing( conn );
 
@@ -257,67 +175,85 @@ send_ldap_response(
     ber_int_t  err,
     const char *matched,
     const char *text,
-       struct berval   **ref,
+       BerVarray       ref,
        const char      *resoid,
        struct berval   *resdata,
        struct berval   *sasldata,
        LDAPControl **ctrls
 )
 {
-       BerElement      *ber;
+       char berbuf[256];
+       BerElement      *ber = (BerElement *)berbuf;
        int             rc;
        long    bytes;
 
+       if (op->o_callback && op->o_callback->sc_response) {
+               op->o_callback->sc_response( conn, op, tag, msgid, err, matched,
+                       text, ref, resoid, resdata, sasldata, ctrls );
+               return;
+       }
+               
        assert( ctrls == NULL ); /* ctrls not implemented */
 
-       ber = ber_alloc_t( LBER_USE_DER );
+       ber_init_w_nullc( ber, LBER_USE_DER );
 
 #ifdef NEW_LOGGING
-        LDAP_LOG(( "operation", LDAP_LEVEL_ENTRY,
-                   "send_ldap_response: conn %d  msgid=%ld tag=%ld err=%ld\n",
-                   conn ? conn->c_connid : 0, (long)msgid, (long)tag, (long)err ));
+       LDAP_LOG(( "operation", LDAP_LEVEL_ENTRY,
+                  "send_ldap_response: conn %d  msgid=%ld tag=%ld err=%ld\n",
+                  conn ? conn->c_connid : 0, (long)msgid, (long)tag, (long)err ));
 #else
        Debug( LDAP_DEBUG_TRACE,
                "send_ldap_response: msgid=%ld tag=%ld err=%ld\n",
                (long) msgid, (long) tag, (long) err );
 #endif
 
-
        if( ref ) {
 #ifdef NEW_LOGGING
-            LDAP_LOG(( "operation", LDAP_LEVEL_ARGS,
-                       "send_ldap_response: conn %d  ref=\"%s\"\n",
-                       conn ? conn->c_connid : 0,
-                       ref[0] && ref[0]->bv_val ? ref[0]->bv_val : "NULL" ));
+               LDAP_LOG(( "operation", LDAP_LEVEL_ARGS,
+                          "send_ldap_response: conn %d  ref=\"%s\"\n",
+                          conn ? conn->c_connid : 0,
+                          ref[0].bv_val ? ref[0].bv_val : "NULL" ));
 #else
                Debug( LDAP_DEBUG_ARGS, "send_ldap_response: ref=\"%s\"\n",
-                       ref[0] && ref[0]->bv_val ? ref[0]->bv_val : "NULL",
+                       ref[0].bv_val ? ref[0].bv_val : "NULL",
                        NULL, NULL );
 #endif
 
        }
 
-       if ( ber == NULL ) {
+#ifdef LDAP_CONNECTIONLESS
+       if (conn->c_is_udp) {
+           rc = ber_write(ber, (char *)&op->o_peeraddr, sizeof(struct sockaddr), 0);
+           if (rc != sizeof(struct sockaddr)) {
 #ifdef NEW_LOGGING
-            LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
-                       "send_ldap_response: conn %d  ber_alloc failed\n",
-                       conn ? conn->c_connid : 0 ));
+               LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
+                          "send_ldap_response: conn %d  ber_write failed\n",
+                          conn ? conn->c_connid : 0 ));
 #else
-               Debug( LDAP_DEBUG_ANY, "ber_alloc failed\n", 0, 0, 0 );
+               Debug( LDAP_DEBUG_ANY, "ber_write failed\n", 0, 0, 0 );
 #endif
-
+               ber_free_buf( ber );
                return;
+           }
        }
-
-       rc = ber_printf( ber, "{it{ess",
+       if (conn->c_is_udp && op->o_protocol == LDAP_VERSION2) {
+           rc = ber_printf( ber, "{is{t{ess",
+               msgid, "", tag, err,
+               matched == NULL ? "" : matched,
+               text == NULL ? "" : text );
+       } else
+#endif
+       {
+           rc = ber_printf( ber, "{it{ess",
                msgid, tag, err,
                matched == NULL ? "" : matched,
                text == NULL ? "" : text );
+       }
 
        if( rc != -1 ) {
                if ( ref != NULL ) {
                        assert( err == LDAP_REFERRAL );
-                       rc = ber_printf( ber, "t{V}",
+                       rc = ber_printf( ber, "t{W}",
                                LDAP_TAG_REFERRAL, ref );
                } else {
                        assert( err != LDAP_REFERRAL );
@@ -342,29 +278,34 @@ send_ldap_response(
        if( rc != -1 ) {
                rc = ber_printf( ber, "N}N}" );
        }
+#ifdef LDAP_CONNECTIONLESS
+       if( conn->c_is_udp && op->o_protocol == LDAP_VERSION2 && rc != -1 ) {
+               rc = ber_printf( ber, "N}" );
+       }
+#endif
 
        if ( rc == -1 ) {
 #ifdef NEW_LOGGING
-            LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
-                       "send_ldap_response: conn %d  ber_printf failed\n",
-                       conn ? conn->c_connid : 0 ));
+               LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
+                          "send_ldap_response: conn %d  ber_printf failed\n",
+                          conn ? conn->c_connid : 0 ));
 #else
                Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
 #endif
 
-               ber_free( ber, 1 );
+               ber_free_buf( ber );
                return;
        }
 
        /* send BER */
        bytes = send_ldap_ber( conn, ber );
-       ber_free( ber, 1 );
+       ber_free_buf( ber );
 
        if ( bytes < 0 ) {
 #ifdef NEW_LOGGING
-            LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
-                       "send_ldap_response: conn %d ber write failed\n",
-                       conn ? conn->c_connid : 0 ));
+               LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
+                          "send_ldap_response: conn %d ber write failed\n",
+                          conn ? conn->c_connid : 0 ));
 #else
                Debug( LDAP_DEBUG_ANY,
                        "send_ldap_response: ber write failed\n",
@@ -402,9 +343,9 @@ send_ldap_disconnect(
        assert( LDAP_UNSOLICITED_ERROR( err ) );
 
 #ifdef NEW_LOGGING
-        LDAP_LOG(( "operation", LDAP_LEVEL_ENTRY,
-                   "send_ldap_disconnect: conn %d  %d:%s\n",
-                   conn ? conn->c_connid : 0, err, text ? text : "" ));
+       LDAP_LOG(( "operation", LDAP_LEVEL_ENTRY,
+                  "send_ldap_disconnect: conn %d  %d:%s\n",
+                  conn ? conn->c_connid : 0, err, text ? text : "" ));
 #else
        Debug( LDAP_DEBUG_TRACE,
                "send_ldap_disconnect %d:%s\n",
@@ -428,9 +369,9 @@ send_ldap_disconnect(
                reqoid, NULL, NULL, NULL );
 
        Statslog( LDAP_DEBUG_STATS,
-           "conn=%ld op=%ld DISCONNECT err=%ld tag=%lu text=%s\n",
+           "conn=%ld op=%ld DISCONNECT tag=%lu err=%ld text=%s\n",
                (long) op->o_connid, (long) op->o_opid,
-               (long) tag, (long) err, text ? text : "" );
+               (unsigned long) tag, (long) err, text ? text : "" );
 }
 
 void
@@ -440,7 +381,7 @@ send_ldap_result(
     ber_int_t  err,
     const char *matched,
     const char *text,
-       struct berval **ref,
+       BerVarray ref,
        LDAPControl **ctrls
 )
 {
@@ -451,9 +392,9 @@ send_ldap_result(
        assert( !LDAP_API_ERROR( err ) );
 
 #ifdef NEW_LOGGING
-        LDAP_LOG(( "operation", LDAP_LEVEL_ENTRY,
-                   "send_ldap_result : conn %ld   op=%ld p=%d\n",
-                   (long)op->o_connid, (long)op->o_opid, op->o_protocol ));
+       LDAP_LOG(( "operation", LDAP_LEVEL_ENTRY,
+                  "send_ldap_result : conn %ld   op=%ld p=%d\n",
+                  (long)op->o_connid, (long)op->o_opid, op->o_protocol ));
 #else
        Debug( LDAP_DEBUG_TRACE,
                "send_ldap_result: conn=%ld op=%ld p=%d\n",
@@ -461,36 +402,31 @@ send_ldap_result(
 #endif
 
 #ifdef NEW_LOGGING
-        LDAP_LOG(( "operation", LDAP_LEVEL_ARGS,
-                   "send_ldap_result: conn=%ld err=%d matched=\"%s\" text=\"%s\"\n",
-                   (long)op->o_connid, err, matched ? matched : "", text ? text : "" ));
+       LDAP_LOG(( "operation", LDAP_LEVEL_ARGS,
+                  "send_ldap_result: conn=%ld err=%d matched=\"%s\" text=\"%s\"\n",
+                  (long)op->o_connid, err, matched ? matched : "", text ? text : "" ));
 #else
        Debug( LDAP_DEBUG_ARGS,
                "send_ldap_result: err=%d matched=\"%s\" text=\"%s\"\n",
-               err, matched ?  matched : "", text ? text : "" );
+               err, matched ?  matched : "", text ? text : "" );
 #endif
 
 
        if( ref ) {
 #ifdef NEW_LOGGING
-            LDAP_LOG(( "operation", LDAP_LEVEL_ARGS,
-                       "send_ldap_result: referral=\"%s\"\n",
-                       ref[0] && ref[0]->bv_val ? ref[0]->bv_val : "NULL" ));
+               LDAP_LOG(( "operation", LDAP_LEVEL_ARGS,
+                       "send_ldap_result: referral=\"%s\"\n",
+                       ref[0].bv_val ? ref[0].bv_val : "NULL" ));
 #else
                Debug( LDAP_DEBUG_ARGS,
                        "send_ldap_result: referral=\"%s\"\n",
-                       ref[0] && ref[0]->bv_val ? ref[0]->bv_val : "NULL",
+                       ref[0].bv_val ? ref[0].bv_val : "NULL",
                        NULL, NULL );
 #endif
-
        }
 
        assert( err != LDAP_PARTIAL_RESULTS );
 
-       if( op->o_tag != LDAP_REQ_SEARCH ) {
-               trim_refs_urls( ref );
-       }
-
        if ( err == LDAP_REFERRAL ) {
                if( ref == NULL ) {
                        err = LDAP_NO_SUCH_OBJECT;
@@ -515,7 +451,7 @@ send_ldap_result(
        Statslog( LDAP_DEBUG_STATS,
            "conn=%ld op=%ld RESULT tag=%lu err=%ld text=%s\n",
                (long) op->o_connid, (long) op->o_opid,
-               (long) tag, (long) err, text ? text : "" );
+               (unsigned long) tag, (long) err, text ? text : "" );
 
        if( tmp != NULL ) {
                ch_free(tmp);
@@ -529,7 +465,7 @@ send_ldap_sasl(
     ber_int_t  err,
     const char *matched,
     const char *text,
-       struct berval **ref,
+       BerVarray ref,
        LDAPControl **ctrls,
        struct berval *cred
 )
@@ -538,9 +474,9 @@ send_ldap_sasl(
        ber_int_t msgid;
 
 #ifdef NEW_LOGGING
-        LDAP_LOG(( "operation", LDAP_LEVEL_ENTRY,
-                   "send_ldap_sasl: conn %d err=%ld len=%ld\n",
-                   op->o_connid, (long)err, cred ? cred->bv_len : -1 ));
+       LDAP_LOG(( "operation", LDAP_LEVEL_ENTRY,
+                  "send_ldap_sasl: conn %d err=%ld len=%ld\n",
+                  op->o_connid, (long)err, cred ? cred->bv_len : -1 ));
 #else
        Debug( LDAP_DEBUG_TRACE, "send_ldap_sasl: err=%ld len=%ld\n",
                (long) err, cred ? cred->bv_len : -1, NULL );
@@ -552,7 +488,7 @@ send_ldap_sasl(
 
        send_ldap_response( conn, op, tag, msgid,
                err, matched, text, ref,
-               NULL, NULL, cred, ctrls  );
+               NULL, NULL, cred, ctrls  );
 }
 
 void
@@ -562,7 +498,7 @@ send_ldap_extended(
     ber_int_t  err,
     const char *matched,
     const char *text,
-    struct berval **refs,
+    BerVarray  refs,
     const char         *rspoid,
        struct berval *rspdata,
        LDAPControl **ctrls
@@ -572,10 +508,10 @@ send_ldap_extended(
        ber_int_t msgid;
 
 #ifdef NEW_LOGGING
-        LDAP_LOG(( "operation", LDAP_LEVEL_ENTRY,
-                   "send_ldap_extended: conn %d  err=%ld oid=%s len=%ld\n",
-                   op->o_connid, (long)err, rspoid ? rspoid : "",
-                   rspdata != NULL ? (long)rspdata->bv_len : (long)0 ));
+       LDAP_LOG(( "operation", LDAP_LEVEL_ENTRY,
+                  "send_ldap_extended: conn %d  err=%ld oid=%s len=%ld\n",
+                  op->o_connid, (long)err, rspoid ? rspoid : "",
+                  rspdata != NULL ? (long)rspdata->bv_len : (long)0 ));
 #else
        Debug( LDAP_DEBUG_TRACE,
                "send_ldap_extended err=%ld oid=%s len=%ld\n",
@@ -601,7 +537,7 @@ send_search_result(
     ber_int_t  err,
     const char *matched,
        const char      *text,
-    struct berval **refs,
+    BerVarray  refs,
        LDAPControl **ctrls,
     int                nentries
 )
@@ -609,24 +545,29 @@ send_search_result(
        ber_tag_t tag;
        ber_int_t msgid;
        char *tmp = NULL;
+
        assert( !LDAP_API_ERROR( err ) );
 
+       if (op->o_callback && op->o_callback->sc_sresult) {
+               op->o_callback->sc_sresult(conn, op, err, matched, text, refs,
+                       ctrls, nentries);
+               return;
+       }
+
 #ifdef NEW_LOGGING
-        LDAP_LOG(( "operation", LDAP_LEVEL_ENTRY,
-                   "send_search_result: conn %d err=%d matched=\"%s\"\n",
-                   op->o_connid, err, matched ? matched : "",
-                   text ? text : "" ));
+       LDAP_LOG(( "operation", LDAP_LEVEL_ENTRY,
+                  "send_search_result: conn %d err=%d matched=\"%s\"\n",
+                  op->o_connid, err, matched ? matched : "",
+                  text ? text : "" ));
 #else
        Debug( LDAP_DEBUG_TRACE,
                "send_search_result: err=%d matched=\"%s\" text=\"%s\"\n",
-               err, matched ?  matched : "", text ? text : "" );
+               err, matched ?  matched : "", text ? text : "" );
 #endif
 
 
        assert( err != LDAP_PARTIAL_RESULTS );
 
-       trim_refs_urls( refs );
-
        if( op->o_protocol < LDAP_VERSION3 ) {
                /* send references in search results */
                if( err == LDAP_REFERRAL ) {
@@ -657,13 +598,17 @@ send_search_result(
        Statslog( LDAP_DEBUG_STATS,
            "conn=%ld op=%ld SEARCH RESULT tag=%lu err=%ld text=%s\n",
                (long) op->o_connid, (long) op->o_opid,
-               (long) tag, (long) err, text ? text : "" );
+               (unsigned long) tag, (long) err, text ? text : "" );
 
        if (tmp != NULL) {
            ch_free(tmp);
        }
 }
 
+static struct berval AllUser = { sizeof(LDAP_ALL_USER_ATTRIBUTES)-1,
+       LDAP_ALL_USER_ATTRIBUTES };
+static struct berval AllOper = { sizeof(LDAP_ALL_OPERATIONAL_ATTRIBUTES)-1,
+       LDAP_ALL_OPERATIONAL_ATTRIBUTES };
 
 int
 send_search_entry(
@@ -671,25 +616,31 @@ send_search_entry(
     Connection *conn,
     Operation  *op,
     Entry      *e,
-    char       **attrs,
+    AttributeName      *attrs,
     int                attrsonly,
        LDAPControl **ctrls
 )
 {
-       BerElement      *ber;
+       char            berbuf[256];
+       BerElement      *ber = (BerElement *)berbuf;
        Attribute       *a, *aa;
        int             i, rc=-1, bytes;
-       char            *edn;
+       char            *edn;
        int             userattrs;
        int             opattrs;
 
        AttributeDescription *ad_entry = slap_schema.si_ad_entry;
 
+       if (op->o_callback && op->o_callback->sc_sendentry) {
+               return op->o_callback->sc_sendentry( be, conn, op, e, attrs,
+                       attrsonly, ctrls );
+       }
+
 #ifdef NEW_LOGGING
-        LDAP_LOG(( "operation", LDAP_LEVEL_ENTRY,
-                   "send_search_entry: conn %d  dn=\"%s\"%s\n",
-                   op->o_connid, e->e_dn,
-                   attrsonly ? " (attrsOnly)" : "" ));
+       LDAP_LOG(( "operation", LDAP_LEVEL_ENTRY,
+                  "send_search_entry: conn %d  dn=\"%s\"%s\n",
+                  op->o_connid, e->e_dn,
+                  attrsonly ? " (attrsOnly)" : "" ));
 #else
        Debug( LDAP_DEBUG_TRACE,
                "=> send_search_entry: dn=\"%s\"%s\n",
@@ -701,9 +652,9 @@ send_search_entry(
                ad_entry, NULL, ACL_READ ) )
        {
 #ifdef NEW_LOGGING
-            LDAP_LOG(( "acl", LDAP_LEVEL_INFO,
-                       "send_search_entry: conn %d access to entry (%s) not allowed\n",
-                       op->o_connid, e->e_dn ));
+               LDAP_LOG(( "acl", LDAP_LEVEL_INFO,
+                          "send_search_entry: conn %d access to entry (%s) not allowed\n",
+                          op->o_connid, e->e_dn ));
 #else
                Debug( LDAP_DEBUG_ACL,
                        "send_search_entry: access to entry not allowed\n",
@@ -715,35 +666,43 @@ send_search_entry(
 
        edn = e->e_ndn;
 
-       ber = ber_alloc_t( LBER_USE_DER );
+       ber_init_w_nullc( ber, LBER_USE_DER );
 
-       if ( ber == NULL ) {
+#ifdef LDAP_CONNECTIONLESS
+       if (conn->c_is_udp) {
+           rc = ber_write(ber, (char *)&op->o_peeraddr, sizeof(struct sockaddr), 0);
+           if (rc != sizeof(struct sockaddr)) {
 #ifdef NEW_LOGGING
-            LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
-                       "send_search_entry: conn %d  ber_alloc failed\n",
-                       op->o_connid ));
+               LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
+                          "send_search_entry: conn %d  ber_printf failed\n",
+                          conn ? conn->c_connid : 0 ));
 #else
-               Debug( LDAP_DEBUG_ANY, "ber_alloc failed\n", 0, 0, 0 );
+               Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
 #endif
-
-               send_ldap_result( conn, op, LDAP_OTHER,
-                       NULL, "BER allocation error", NULL, NULL );
-               goto error_return;
+               ber_free_buf( ber );
+               return;
+           }
+       }
+       if (conn->c_is_udp && op->o_protocol == LDAP_VERSION2) {
+           rc = ber_printf( ber, "{is{t{O{" /*}}}*/,
+               op->o_msgid, "", LDAP_RES_SEARCH_ENTRY, &e->e_name );
+       } else
+#endif
+       {
+           rc = ber_printf( ber, "{it{O{" /*}}}*/, op->o_msgid,
+               LDAP_RES_SEARCH_ENTRY, &e->e_name );
        }
-
-       rc = ber_printf( ber, "{it{s{" /*}}}*/, op->o_msgid,
-               LDAP_RES_SEARCH_ENTRY, e->e_dn );
 
        if ( rc == -1 ) {
 #ifdef NEW_LOGGING
-            LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
-                       "send_search_entry: conn %d  ber_printf failed\n",
-                       op->o_connid ));
+               LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
+                          "send_search_entry: conn %d  ber_printf failed\n",
+                          op->o_connid ));
 #else
                Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
 #endif
 
-               ber_free( ber, 1 );
+               ber_free_buf( ber );
                send_ldap_result( conn, op, LDAP_OTHER,
                    NULL, "encoding DN error", NULL, NULL );
                goto error_return;
@@ -751,24 +710,23 @@ send_search_entry(
 
        /* check for special all user attributes ("*") type */
        userattrs = ( attrs == NULL ) ? 1
-               : charray_inlist( attrs, LDAP_ALL_USER_ATTRIBUTES );
+               : an_find( attrs, &AllUser );
 
        /* check for special all operational attributes ("+") type */
        opattrs = ( attrs == NULL ) ? 0
-               : charray_inlist( attrs, LDAP_ALL_OPERATIONAL_ATTRIBUTES );
+               : an_find( attrs, &AllOper );
 
        for ( a = e->e_attrs; a != NULL; a = a->a_next ) {
                AttributeDescription *desc = a->a_desc;
-               char *type = desc->ad_cname->bv_val;
 
                if ( attrs == NULL ) {
-                       /* all addrs request, skip operational attributes */
+                       /* all attrs request, skip operational attributes */
                        if( is_at_operational( desc->ad_type ) ) {
                                continue;
                        }
 
                } else {
-                       /* specific addrs requested */
+                       /* specific attrs requested */
                        if ( is_at_operational( desc->ad_type ) ) {
                                if( !opattrs && !ad_inlist( desc, attrs ) ) {
                                        continue;
@@ -783,61 +741,62 @@ send_search_entry(
 
                if ( ! access_allowed( be, conn, op, e, desc, NULL, ACL_READ ) ) {
 #ifdef NEW_LOGGING
-                    LDAP_LOG(( "acl", LDAP_LEVEL_INFO,
-                               "send_search_entry: conn %d  access to attribute %s not allowed\n",
-                               op->o_connid, desc->ad_cname->bv_val ));
+                       LDAP_LOG(( "acl", LDAP_LEVEL_INFO, "send_search_entry: "
+                               "conn %d  access to attribute %s not allowed\n",
+                               op->o_connid, desc->ad_cname.bv_val ));
 #else
-                       Debug( LDAP_DEBUG_ACL, "acl: access to attribute %s not allowed\n",
-                           desc->ad_cname->bv_val, 0, 0 );
+                       Debug( LDAP_DEBUG_ACL, "acl: "
+                               "access to attribute %s not allowed\n",
+                           desc->ad_cname.bv_val, 0, 0 );
 #endif
 
                        continue;
                }
 
-               if (( rc = ber_printf( ber, "{s[" /*]}*/ , type )) == -1 ) {
+               if (( rc = ber_printf( ber, "{O[" /*]}*/ , &desc->ad_cname )) == -1 ) {
 #ifdef NEW_LOGGING
-                    LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
-                               "send_search_entry: conn %d  ber_printf failed\n",
-                               op->o_connid ));
+                       LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
+                               "send_search_entry: conn %d  ber_printf failed\n",
+                               op->o_connid ));
 #else
                        Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
 #endif
 
-                       ber_free( ber, 1 );
+                       ber_free_buf( ber );
                        send_ldap_result( conn, op, LDAP_OTHER,
                            NULL, "encoding description error", NULL, NULL );
                        goto error_return;
                }
 
                if ( ! attrsonly ) {
-                       for ( i = 0; a->a_vals[i] != NULL; i++ ) {
+                       for ( i = 0; a->a_vals[i].bv_val != NULL; i++ ) {
                                if ( ! access_allowed( be, conn, op, e,
-                                       desc, a->a_vals[i], ACL_READ ) )
+                                       desc, &a->a_vals[i], ACL_READ ) )
                                {
 #ifdef NEW_LOGGING
-                                    LDAP_LOG(( "acl", LDAP_LEVEL_INFO,
-                                               "send_search_entry: conn %d  access to attribute %s, value %d not allowed\n",
-                                               op->o_connid, desc->ad_cname->bv_val, i ));
+                                       LDAP_LOG(( "acl", LDAP_LEVEL_INFO,
+                                                  "send_search_entry: conn %d  access to attribute %s, value %d not allowed\n",
+                                                  op->o_connid, desc->ad_cname.bv_val, i ));
 #else
                                        Debug( LDAP_DEBUG_ACL,
                                                "acl: access to attribute %s, value %d not allowed\n",
-                                       desc->ad_cname->bv_val, i, 0 );
+                                       desc->ad_cname.bv_val, i, 0 );
 #endif
 
                                        continue;
                                }
 
-                               if (( rc = ber_printf( ber, "O", a->a_vals[i] )) == -1 ) {
+                               if (( rc = ber_printf( ber, "O", &a->a_vals[i] )) == -1 ) {
 #ifdef NEW_LOGGING
-                                    LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
-                                               "send_search_entry: conn %d  ber_printf failed.\n",
-                                               op->o_connid ));
+                                       LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
+                                                  "send_search_entry: conn %d  ber_printf failed.\n",
+                                                  op->o_connid ));
 #else
                                        Debug( LDAP_DEBUG_ANY,
                                            "ber_printf failed\n", 0, 0, 0 );
 #endif
 
-                                       ber_free( ber, 1 );
+                                       ber_free_buf( ber );
                                        send_ldap_result( conn, op, LDAP_OTHER,
                                                NULL, "encoding values error", NULL, NULL );
                                        goto error_return;
@@ -847,14 +806,14 @@ send_search_entry(
 
                if (( rc = ber_printf( ber, /*{[*/ "]N}" )) == -1 ) {
 #ifdef NEW_LOGGING
-                    LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
-                               "send_search_entry: conn %d  ber_printf failed\n",
-                               op->o_connid ));
+                       LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
+                                  "send_search_entry: conn %d  ber_printf failed\n",
+                                  op->o_connid ));
 #else
                        Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
 #endif
 
-                       ber_free( ber, 1 );
+                       ber_free_buf( ber );
                        send_ldap_result( conn, op, LDAP_OTHER,
                            NULL, "encode end error", NULL, NULL );
                        goto error_return;
@@ -863,19 +822,19 @@ send_search_entry(
 
        /* eventually will loop through generated operational attributes */
        /* only have subschemaSubentry implemented */
-       aa = backend_operational( be, conn, op, e );
+       aa = backend_operational( be, conn, op, e, attrs, opattrs );
        
        for (a = aa ; a != NULL; a = a->a_next ) {
                AttributeDescription *desc = a->a_desc;
 
                if ( attrs == NULL ) {
-                       /* all addrs request, skip operational attributes */
+                       /* all attrs request, skip operational attributes */
                        if( is_at_operational( desc->ad_type ) ) {
                                continue;
                        }
 
                } else {
-                       /* specific addrs requested */
+                       /* specific attrs requested */
                        if( is_at_operational( desc->ad_type ) ) {
                                if( !opattrs && !ad_inlist( desc, attrs ) ) {
                                        continue;
@@ -890,65 +849,67 @@ send_search_entry(
 
                if ( ! access_allowed( be, conn, op, e, desc, NULL, ACL_READ ) ) {
 #ifdef NEW_LOGGING
-                    LDAP_LOG(( "acl", LDAP_LEVEL_INFO,
-                               "send_search_entry: conn %s  access to attribute %s not allowed\n",
-                               op->o_connid, desc->ad_cname->bv_val ));
+                       LDAP_LOG(( "acl", LDAP_LEVEL_INFO,
+                                  "send_search_entry: conn %s  access to attribute %s not allowed\n",
+                                  op->o_connid, desc->ad_cname.bv_val ));
 #else
                        Debug( LDAP_DEBUG_ACL, "acl: access to attribute %s not allowed\n",
-                           desc->ad_cname->bv_val, 0, 0 );
+                           desc->ad_cname.bv_val, 0, 0 );
 #endif
 
                        continue;
                }
 
-               rc = ber_printf( ber, "{s[" /*]}*/ , desc->ad_cname->bv_val );
+               rc = ber_printf( ber, "{O[" /*]}*/ , &desc->ad_cname );
                if ( rc == -1 ) {
 #ifdef NEW_LOGGING
-                    LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
-                               "send_search_entry: conn %d  ber_printf failed\n",
-                               op->o_connid ));
+                       LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
+                                  "send_search_entry: conn %d  ber_printf failed\n",
+                                  op->o_connid ));
 #else
                        Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
 #endif
 
-                       ber_free( ber, 1 );
+                       ber_free_buf( ber );
                        send_ldap_result( conn, op, LDAP_OTHER,
                            NULL, "encoding description error", NULL, NULL );
+                       attrs_free( aa );
                        goto error_return;
                }
 
                if ( ! attrsonly ) {
-                       for ( i = 0; a->a_vals[i] != NULL; i++ ) {
+                       for ( i = 0; a->a_vals[i].bv_val != NULL; i++ ) {
                                if ( ! access_allowed( be, conn, op, e,
-                                       desc, a->a_vals[i], ACL_READ ) )
+                                       desc, &a->a_vals[i], ACL_READ ) )
                                {
 #ifdef NEW_LOGGING
-                                    LDAP_LOG(( "acl", LDAP_LEVEL_INFO,
-                                               "send_search_entry: conn %d access to %s, value %d not allowed\n",
-                                               op->o_connid, desc->ad_cname->bv_val, i ));
+                                       LDAP_LOG(( "acl", LDAP_LEVEL_INFO,
+                                                  "send_search_entry: conn %d access to %s, value %d not allowed\n",
+                                                  op->o_connid, desc->ad_cname.bv_val, i ));
 #else
                                        Debug( LDAP_DEBUG_ACL,
                                                "acl: access to attribute %s, value %d not allowed\n",
-                                       desc->ad_cname->bv_val, i, 0 );
+                                       desc->ad_cname.bv_val, i, 0 );
 #endif
 
                                        continue;
                                }
 
 
-                               if (( rc = ber_printf( ber, "O", a->a_vals[i] )) == -1 ) {
+                               if (( rc = ber_printf( ber, "O", &a->a_vals[i] )) == -1 ) {
 #ifdef NEW_LOGGING
-                                    LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
-                                               "send_search_entry: conn %d  ber_printf failed\n",
-                                               op->o_connid ));
+                                       LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
+                                                  "send_search_entry: conn %d  ber_printf failed\n",
+                                                  op->o_connid ));
 #else
                                        Debug( LDAP_DEBUG_ANY,
                                            "ber_printf failed\n", 0, 0, 0 );
 #endif
 
-                                       ber_free( ber, 1 );
+                                       ber_free_buf( ber );
                                        send_ldap_result( conn, op, LDAP_OTHER,
                                                NULL, "encoding values error", NULL, NULL );
+                                       attrs_free( aa );
                                        goto error_return;
                                }
                        }
@@ -956,16 +917,17 @@ send_search_entry(
 
                if (( rc = ber_printf( ber, /*{[*/ "]N}" )) == -1 ) {
 #ifdef NEW_LOGGING
-                    LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
-                               "send_search_entry: conn %d  ber_printf failed\n",
-                               op->o_connid ));
+                       LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
+                                  "send_search_entry: conn %d  ber_printf failed\n",
+                                  op->o_connid ));
 #else
                        Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
 #endif
 
-                       ber_free( ber, 1 );
+                       ber_free_buf( ber );
                        send_ldap_result( conn, op, LDAP_OTHER,
                            NULL, "encode end error", NULL, NULL );
+                       attrs_free( aa );
                        goto error_return;
                }
        }
@@ -974,29 +936,33 @@ send_search_entry(
 
        rc = ber_printf( ber, /*{{{*/ "}N}N}" );
 
+#ifdef LDAP_CONNECTIONLESS
+       if (conn->c_is_udp && op->o_protocol == LDAP_VERSION2 && rc != -1)
+               rc = ber_printf( ber, "}" );
+#endif
        if ( rc == -1 ) {
 #ifdef NEW_LOGGING
-            LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
-                       "send_search_entry: conn %d ber_printf failed\n",
-                       op->o_connid ));
+               LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
+                          "send_search_entry: conn %d ber_printf failed\n",
+                          op->o_connid ));
 #else
                Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
 #endif
 
-               ber_free( ber, 1 );
+               ber_free_buf( ber );
                send_ldap_result( conn, op, LDAP_OTHER,
                        NULL, "encode entry end error", NULL, NULL );
                return( 1 );
        }
 
        bytes = send_ldap_ber( conn, ber );
-       ber_free( ber, 1 );
+       ber_free_buf( ber );
 
        if ( bytes < 0 ) {
 #ifdef NEW_LOGGING
-            LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
-                       "send_ldap_response: conn %d  ber write failed.\n",
-                       op->o_connid ));
+               LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
+                          "send_ldap_response: conn %d  ber write failed.\n",
+                          op->o_connid ));
 #else
                Debug( LDAP_DEBUG_ANY,
                        "send_ldap_response: ber write failed\n",
@@ -1016,9 +982,9 @@ send_search_entry(
            (long) conn->c_connid, (long) op->o_opid, e->e_dn, 0, 0 );
 
 #ifdef NEW_LOGGING
-        LDAP_LOG(( "operation", LDAP_LEVEL_ENTRY,
-                   "send_search_entry: conn %d exit.\n",
-                   op->o_connid ));
+       LDAP_LOG(( "operation", LDAP_LEVEL_ENTRY,
+                  "send_search_entry: conn %d exit.\n",
+                  op->o_connid ));
 #else
        Debug( LDAP_DEBUG_TRACE, "<= send_search_entry\n", 0, 0, 0 );
 #endif
@@ -1036,13 +1002,13 @@ send_search_reference(
     Connection *conn,
     Operation  *op,
     Entry      *e,
-       struct berval **refs,
-       int scope,
+       BerVarray refs,
        LDAPControl **ctrls,
-    struct berval ***v2refs
+    BerVarray *v2refs
 )
 {
-       BerElement      *ber;
+       char            berbuf[256];
+       BerElement      *ber = (BerElement *)berbuf;
        int rc;
        int bytes;
 
@@ -1050,9 +1016,9 @@ send_search_reference(
        AttributeDescription *ad_entry = slap_schema.si_ad_entry;
 
 #ifdef NEW_LOGGING
-        LDAP_LOG(( "operation", LDAP_LEVEL_ENTRY,
-                   "send_search_reference: conn %d  dn=\"%s\"\n",
-                   op->o_connid, e->e_dn ));
+       LDAP_LOG(( "operation", LDAP_LEVEL_ENTRY,
+               "send_search_reference: conn %d  dn=\"%s\"\n",
+               op->o_connid, e->e_dn ));
 #else
        Debug( LDAP_DEBUG_TRACE,
                "=> send_search_reference: dn=\"%s\"\n",
@@ -1064,9 +1030,9 @@ send_search_reference(
                ad_entry, NULL, ACL_READ ) )
        {
 #ifdef NEW_LOGGING
-            LDAP_LOG(( "acl", LDAP_LEVEL_INFO,
-                       "send_search_reference: conn %d  access to entry %s not allowed\n",
-                       op->o_connid, e->e_dn ));
+               LDAP_LOG(( "acl", LDAP_LEVEL_INFO,
+                       "send_search_reference: conn %d access to entry %s not allowed\n",
+                       op->o_connid, e->e_dn ));
 #else
                Debug( LDAP_DEBUG_ACL,
                        "send_search_reference: access to entry not allowed\n",
@@ -1080,9 +1046,9 @@ send_search_reference(
                ad_ref, NULL, ACL_READ ) )
        {
 #ifdef NEW_LOGGING
-            LDAP_LOG(( "acl", LDAP_LEVEL_INFO,
-                       "send_search_reference: conn %d access to reference not allowed.\n",
-                       op->o_connid ));
+               LDAP_LOG(( "acl", LDAP_LEVEL_INFO,
+                       "send_search_reference: conn %d access to reference not allowed.\n",
+                       op->o_connid ));
 #else
                Debug( LDAP_DEBUG_ACL,
                        "send_search_reference: access to reference not allowed\n",
@@ -1094,9 +1060,9 @@ send_search_reference(
 
        if( refs == NULL ) {
 #ifdef NEW_LOGGING
-            LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
-                       "send_search_reference: null ref in (%s).\n",
-                       op->o_connid, e->e_dn ));
+               LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
+                       "send_search_reference: null ref in (%s).\n",
+                       op->o_connid, e->e_dn ));
 #else
                Debug( LDAP_DEBUG_ANY,
                        "send_search_reference: null ref in (%s)\n", 
@@ -1108,50 +1074,35 @@ send_search_reference(
 
        if( op->o_protocol < LDAP_VERSION3 ) {
                /* save the references for the result */
-               if( *refs != NULL ) {
+               if( refs[0].bv_val != NULL ) {
                        value_add( v2refs, refs );
                }
                return 0;
        }
 
-       ber = ber_alloc_t( LBER_USE_DER );
-
-       if ( ber == NULL ) {
-#ifdef NEW_LOGGING
-            LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
-                       "send_search_reference: conn %d ber_alloc failed\n",
-                       op->o_connid ));
-#else
-               Debug( LDAP_DEBUG_ANY,
-                       "send_search_reference: ber_alloc failed\n", 0, 0, 0 );
-#endif
-
-               send_ldap_result( conn, op, LDAP_OTHER,
-                       NULL, "alloc BER error", NULL, NULL );
-               return -1;
-       }
+       ber_init_w_nullc( ber, LBER_USE_DER );
 
-       rc = ber_printf( ber, "{it{V}N}", op->o_msgid,
+       rc = ber_printf( ber, "{it{W}N}", op->o_msgid,
                LDAP_RES_SEARCH_REFERENCE, refs );
 
        if ( rc == -1 ) {
 #ifdef NEW_LOGGING
-            LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
-                       "send_search_reference: conn %d  ber_printf failed.\n",
-                       op->o_connid ));
+               LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
+                       "send_search_reference: conn %d ber_printf failed.\n",
+                       op->o_connid ));
 #else
                Debug( LDAP_DEBUG_ANY,
                        "send_search_reference: ber_printf failed\n", 0, 0, 0 );
 #endif
 
-               ber_free( ber, 1 );
+               ber_free_buf( ber );
                send_ldap_result( conn, op, LDAP_OTHER,
                        NULL, "encode DN error", NULL, NULL );
                return -1;
        }
 
        bytes = send_ldap_ber( conn, ber );
-       ber_free( ber, 1 );
+       ber_free_buf( ber );
 
        ldap_pvt_thread_mutex_lock( &num_sent_mutex );
        num_bytes_sent += bytes;
@@ -1159,17 +1110,16 @@ send_search_reference(
        num_pdu_sent++;
        ldap_pvt_thread_mutex_unlock( &num_sent_mutex );
 
-       Statslog( LDAP_DEBUG_STATS2, "conn=%ld op=%ld ENTRY dn=\"%s\"\n",
-           (long) conn->c_connid, (long) op->o_opid, e->e_dn, 0, 0 );
+       Statslog( LDAP_DEBUG_STATS2, "conn=%ld op=%ld REF dn=\"%s\"\n",
+               (long) conn->c_connid, (long) op->o_opid, e->e_dn, 0, 0 );
 
 #ifdef NEW_LOGGING
-        LDAP_LOG(( "operation", LDAP_LEVEL_ENTRY,
-                   "send_search_reference: conn %d exit.\n", op->o_connid ));
+       LDAP_LOG(( "operation", LDAP_LEVEL_ENTRY,
+               "send_search_reference: conn %d exit.\n", op->o_connid ));
 #else
        Debug( LDAP_DEBUG_TRACE, "<= send_search_reference\n", 0, 0, 0 );
 #endif
 
-
        return 0;
 }
 
@@ -1191,8 +1141,8 @@ str2result(
 
        if ( strncasecmp( s, "RESULT", 6 ) != 0 ) {
 #ifdef NEW_LOGGING
-            LDAP_LOG(( "operation", LDAP_LEVEL_INFO,
-                       "str2result: (%s), expecting \"RESULT\"\n", s ));
+               LDAP_LOG(( "operation", LDAP_LEVEL_INFO,
+                          "str2result: (%s), expecting \"RESULT\"\n", s ));
 #else
                Debug( LDAP_DEBUG_ANY, "str2result (%s) expecting \"RESULT\"\n",
                    s, 0, 0 );
@@ -1226,8 +1176,8 @@ str2result(
                        }
                } else {
 #ifdef NEW_LOGGING
-                    LDAP_LOG(( "operation", LDAP_LEVEL_INFO,
-                               "str2result: (%s) unknown.\n", s ));
+                       LDAP_LOG(( "operation", LDAP_LEVEL_INFO,
+                               "str2result: (%s) unknown.\n", s ));
 #else
                        Debug( LDAP_DEBUG_ANY, "str2result (%s) unknown\n",
                            s, 0, 0 );