ITS#7920 fix for slapacl

    This needs to be streamlined in 2.5, current tool API is a mess.

diff --git a/servers/slapd/back-mdb/id2entry.c b/servers/slapd/back-mdb/id2entry.c
index 375f445cc777fb13c741248a4754c7bf9f1acb9b..7ff1e8e1960b9584f15911a96c29181376c02996 100644 (file)
--- a/servers/slapd/back-mdb/id2entry.c
+++ b/servers/slapd/back-mdb/id2entry.c
@@ -399,6 +399,8 @@ mdb_reader_flush( MDB_env *env )
        }
 }
 
+extern MDB_txn *mdb_tool_txn;
+
 int
 mdb_opinfo_get( Operation *op, struct mdb_info *mdb, int rdonly, mdb_op_info **moip )
 {
@@ -455,18 +457,26 @@ mdb_opinfo_get( Operation *op, struct mdb_info *mdb, int rdonly, mdb_op_info **m
                }
                moi->moi_ref++;
                if ( !moi->moi_txn ) {
-                       rc = mdb_txn_begin( mdb->mi_dbenv, NULL, 0, &moi->moi_txn );
-                       if (rc) {
-                               Debug( LDAP_DEBUG_ANY, "mdb_opinfo_get: err %s(%d)\n",
-                                       mdb_strerror(rc), rc, 0 );
+                       if (( slapMode & SLAP_TOOL_MODE ) && mdb_tool_txn ) {
+                               moi->moi_txn = mdb_tool_txn;
+                       } else {
+                               rc = mdb_txn_begin( mdb->mi_dbenv, NULL, 0, &moi->moi_txn );
+                               if (rc) {
+                                       Debug( LDAP_DEBUG_ANY, "mdb_opinfo_get: err %s(%d)\n",
+                                               mdb_strerror(rc), rc, 0 );
+                               }
+                               return rc;
                        }
-                       return rc;
                }
                return 0;
        }
 
        /* OK, this is a reader */
        if ( !moi->moi_txn ) {
+               if (( slapMode & SLAP_TOOL_MODE ) && mdb_tool_txn ) {
+                       moi->moi_txn = mdb_tool_txn;
+                       goto ok;
+               }
                if ( !ctx ) {
                        /* Shouldn't happen unless we're single-threaded */
                        rc = mdb_txn_begin( mdb->mi_dbenv, NULL, MDB_RDONLY, &moi->moi_txn );
@@ -498,6 +508,7 @@ mdb_opinfo_get( Operation *op, struct mdb_info *mdb, int rdonly, mdb_op_info **m
                }
                moi->moi_flag |= MOI_READER;
        }
+ok:
        if ( moi->moi_ref < 1 ) {
                moi->moi_ref = 0;
        }

diff --git a/servers/slapd/back-mdb/tools.c b/servers/slapd/back-mdb/tools.c
index a2a4a1b858ac9b862eb6298b14c648864e3000db..eef1a2aa68f7b51c847eff1bd92f6f6c19b0dbb8 100644 (file)
--- a/servers/slapd/back-mdb/tools.c
+++ b/servers/slapd/back-mdb/tools.c
@@ -50,7 +50,9 @@ typedef struct mdb_tool_idl_cache {
 #define MDB_TOOL_IDL_FLUSH(be, txn)
 #endif /* MDB_TOOL_IDL_CACHING */
 
-static MDB_txn *txn = NULL, *txi = NULL;
+MDB_txn *mdb_tool_txn = NULL;
+
+static MDB_txn *txi = NULL;
 static MDB_cursor *cursor = NULL, *idcursor = NULL;
 static MDB_cursor *mcp = NULL, *mcd = NULL;
 static MDB_val key, data;
@@ -172,17 +174,17 @@ int mdb_tool_entry_close(
                mdb_cursor_close( cursor );
                cursor = NULL;
        }
-       if( txn ) {
+       if( mdb_tool_txn ) {
                int rc;
-               MDB_TOOL_IDL_FLUSH( be, txn );
-               if (( rc = mdb_txn_commit( txn ))) {
+               MDB_TOOL_IDL_FLUSH( be, mdb_tool_txn );
+               if (( rc = mdb_txn_commit( mdb_tool_txn ))) {
                        Debug( LDAP_DEBUG_ANY,
                                LDAP_XSTRING(mdb_tool_entry_close) ": database %s: "
                                "txn_commit failed: %s (%d)\n",
                                be->be_suffix[0].bv_val, mdb_strerror(rc), rc );
                        return -1;
                }
-               txn = NULL;
+               mdb_tool_txn = NULL;
        }
 
        if( nholes ) {
@@ -226,13 +228,13 @@ ID mdb_tool_entry_next(
        mdb = (struct mdb_info *) be->be_private;
        assert( mdb != NULL );
 
-       if ( !txn ) {
-               rc = mdb_txn_begin( mdb->mi_dbenv, NULL, MDB_RDONLY, &txn );
+       if ( !mdb_tool_txn ) {
+               rc = mdb_txn_begin( mdb->mi_dbenv, NULL, MDB_RDONLY, &mdb_tool_txn );
                if ( rc )
                        return NOID;
-               rc = mdb_cursor_open( txn, mdb->mi_id2entry, &cursor );
+               rc = mdb_cursor_open( mdb_tool_txn, mdb->mi_id2entry, &cursor );
                if ( rc ) {
-                       mdb_txn_abort( txn );
+                       mdb_txn_abort( mdb_tool_txn );
                        return NOID;
                }
        }
@@ -298,9 +300,9 @@ ID mdb_tool_dn2id_get(
 
        mdb = (struct mdb_info *) be->be_private;
 
-       if ( !txn ) {
+       if ( !mdb_tool_txn ) {
                rc = mdb_txn_begin( mdb->mi_dbenv, NULL, (slapMode & SLAP_TOOL_READONLY) != 0 ?
-                       MDB_RDONLY : 0, &txn );
+                       MDB_RDONLY : 0, &mdb_tool_txn );
                if ( rc )
                        return NOID;
        }
@@ -310,7 +312,7 @@ ID mdb_tool_dn2id_get(
        op.o_tmpmemctx = NULL;
        op.o_tmpmfuncs = &ch_mfuncs;
 
-       rc = mdb_dn2id( &op, txn, NULL, dn, &id, NULL, NULL, NULL );
+       rc = mdb_dn2id( &op, mdb_tool_txn, NULL, dn, &id, NULL, NULL, NULL );
        if ( rc == MDB_NOTFOUND )
                return NOID;
 
@@ -355,7 +357,7 @@ mdb_tool_entry_get_int( BackendDB *be, ID id, Entry **ep )
        op.o_tmpmemctx = NULL;
        op.o_tmpmfuncs = &ch_mfuncs;
        if ( slapMode & SLAP_TOOL_READONLY ) {
-               rc = mdb_id2name( &op, txn, &idcursor, id, &dn, &ndn );
+               rc = mdb_id2name( &op, mdb_tool_txn, &idcursor, id, &dn, &ndn );
                if ( rc  ) {
                        rc = LDAP_OTHER;
                        if ( e ) {
@@ -373,7 +375,7 @@ mdb_tool_entry_get_int( BackendDB *be, ID id, Entry **ep )
                        }
                }
        }
-       rc = mdb_entry_decode( &op, txn, &data, &e );
+       rc = mdb_entry_decode( &op, mdb_tool_txn, &data, &e );
        e->e_id = id;
        if ( !BER_BVISNULL( &dn )) {
                e->e_name = dn;
@@ -397,19 +399,19 @@ mdb_tool_entry_get( BackendDB *be, ID id )
        Entry *e = NULL;
        int rc;
 
-       if ( !txn ) {
+       if ( !mdb_tool_txn ) {
                struct mdb_info *mdb = (struct mdb_info *) be->be_private;
                rc = mdb_txn_begin( mdb->mi_dbenv, NULL,
-                       (slapMode & SLAP_TOOL_READONLY) ? MDB_RDONLY : 0, &txn );
+                       (slapMode & SLAP_TOOL_READONLY) ? MDB_RDONLY : 0, &mdb_tool_txn );
                if ( rc )
                        return NULL;
        }
        if ( !cursor ) {
                struct mdb_info *mdb = (struct mdb_info *) be->be_private;
-               rc = mdb_cursor_open( txn, mdb->mi_id2entry, &cursor );
+               rc = mdb_cursor_open( mdb_tool_txn, mdb->mi_id2entry, &cursor );
                if ( rc ) {
-                       mdb_txn_abort( txn );
-                       txn = NULL;
+                       mdb_txn_abort( mdb_tool_txn );
+                       mdb_tool_txn = NULL;
                        return NULL;
                }
        }
@@ -622,8 +624,8 @@ ID mdb_tool_entry_put(
 
        mdb = (struct mdb_info *) be->be_private;
 
-       if ( !txn ) {
-               rc = mdb_txn_begin( mdb->mi_dbenv, NULL, 0, &txn );
+       if ( !mdb_tool_txn ) {
+               rc = mdb_txn_begin( mdb->mi_dbenv, NULL, 0, &mdb_tool_txn );
                if( rc != 0 ) {
                        snprintf( text->bv_val, text->bv_len,
                                "txn_begin failed: %s (%d)",
@@ -633,7 +635,7 @@ ID mdb_tool_entry_put(
                                 text->bv_val, 0, 0 );
                        return NOID;
                }
-               rc = mdb_cursor_open( txn, mdb->mi_id2entry, &idcursor );
+               rc = mdb_cursor_open( mdb_tool_txn, mdb->mi_id2entry, &idcursor );
                if( rc != 0 ) {
                        snprintf( text->bv_val, text->bv_len,
                                "cursor_open failed: %s (%d)",
@@ -647,7 +649,7 @@ ID mdb_tool_entry_put(
                        ID dummy;
                        mdb_next_id( be, idcursor, &dummy );
                }
-               rc = mdb_cursor_open( txn, mdb->mi_dn2id, &mcp );
+               rc = mdb_cursor_open( mdb_tool_txn, mdb->mi_dn2id, &mcp );
                if( rc != 0 ) {
                        snprintf( text->bv_val, text->bv_len,
                                "cursor_open failed: %s (%d)",
@@ -657,7 +659,7 @@ ID mdb_tool_entry_put(
                                 text->bv_val, 0, 0 );
                        return NOID;
                }
-               rc = mdb_cursor_open( txn, mdb->mi_dn2id, &mcd );
+               rc = mdb_cursor_open( mdb_tool_txn, mdb->mi_dn2id, &mcd );
                if( rc != 0 ) {
                        snprintf( text->bv_val, text->bv_len,
                                "cursor_open failed: %s (%d)",
@@ -675,12 +677,12 @@ ID mdb_tool_entry_put(
        op.o_tmpmfuncs = &ch_mfuncs;
 
        /* add dn2id indices */
-       rc = mdb_tool_next_id( &op, txn, e, text, 0 );
+       rc = mdb_tool_next_id( &op, mdb_tool_txn, e, text, 0 );
        if( rc != 0 ) {
                goto done;
        }
 
-       rc = mdb_tool_index_add( &op, txn, e );
+       rc = mdb_tool_index_add( &op, mdb_tool_txn, e );
        if( rc != 0 ) {
                snprintf( text->bv_val, text->bv_len,
                                "index_entry_add failed: err=%d", rc );
@@ -692,7 +694,7 @@ ID mdb_tool_entry_put(
 
 
        /* id2entry index */
-       rc = mdb_id2entry_add( &op, txn, idcursor, e );
+       rc = mdb_id2entry_add( &op, mdb_tool_txn, idcursor, e );
        if( rc != 0 ) {
                snprintf( text->bv_val, text->bv_len,
                                "id2entry_add failed: err=%d", rc );
@@ -707,12 +709,12 @@ done:
                mdb_writes++;
                if ( mdb_writes >= mdb_writes_per_commit ) {
                        unsigned i;
-                       MDB_TOOL_IDL_FLUSH( be, txn );
-                       rc = mdb_txn_commit( txn );
+                       MDB_TOOL_IDL_FLUSH( be, mdb_tool_txn );
+                       rc = mdb_txn_commit( mdb_tool_txn );
                        for ( i=0; i<mdb->mi_nattrs; i++ )
                                mdb->mi_attrs[i]->ai_cursor = NULL;
                        mdb_writes = 0;
-                       txn = NULL;
+                       mdb_tool_txn = NULL;
                        idcursor = NULL;
                        if( rc != 0 ) {
                                snprintf( text->bv_val, text->bv_len,
@@ -727,8 +729,8 @@ done:
 
        } else {
                unsigned i;
-               mdb_txn_abort( txn );
-               txn = NULL;
+               mdb_txn_abort( mdb_tool_txn );
+               mdb_tool_txn = NULL;
                idcursor = NULL;
                for ( i=0; i<mdb->mi_nattrs; i++ )
                        mdb->mi_attrs[i]->ai_cursor = NULL;
@@ -894,10 +896,10 @@ done:
                        mdb_cursor_close( cursor );
                        txi = NULL;
                        /* Must close the read txn to allow old pages to be reclaimed. */
-                       mdb_txn_abort( txn );
+                       mdb_txn_abort( mdb_tool_txn );
                        /* and then reopen it so that tool_entry_next still works. */
-                       mdb_txn_begin( mi->mi_dbenv, NULL, MDB_RDONLY, &txn );
-                       mdb_cursor_open( txn, mi->mi_id2entry, &cursor );
+                       mdb_txn_begin( mi->mi_dbenv, NULL, MDB_RDONLY, &mdb_tool_txn );
+                       mdb_cursor_open( mdb_tool_txn, mi->mi_id2entry, &cursor );
                        key.mv_data = &id;
                        key.mv_size = sizeof(ID);
                        mdb_cursor_get( cursor, &key, NULL, MDB_SET );
@@ -952,8 +954,8 @@ ID mdb_tool_entry_modify(
                mdb_cursor_close( cursor );
                cursor = NULL;
        }
-       if ( !txn ) {
-               rc = mdb_txn_begin( mdb->mi_dbenv, NULL, 0, &txn );
+       if ( !mdb_tool_txn ) {
+               rc = mdb_txn_begin( mdb->mi_dbenv, NULL, 0, &mdb_tool_txn );
                if( rc != 0 ) {
                        snprintf( text->bv_val, text->bv_len,
                                "txn_begin failed: %s (%d)",
@@ -971,7 +973,7 @@ ID mdb_tool_entry_modify(
        op.o_tmpmfuncs = &ch_mfuncs;
 
        /* id2entry index */
-       rc = mdb_id2entry_update( &op, txn, NULL, e );
+       rc = mdb_id2entry_update( &op, mdb_tool_txn, NULL, e );
        if( rc != 0 ) {
                snprintf( text->bv_val, text->bv_len,
                                "id2entry_update failed: err=%d", rc );
@@ -983,7 +985,7 @@ ID mdb_tool_entry_modify(
 
 done:
        if( rc == 0 ) {
-               rc = mdb_txn_commit( txn );
+               rc = mdb_txn_commit( mdb_tool_txn );
                if( rc != 0 ) {
                        snprintf( text->bv_val, text->bv_len,
                                        "txn_commit failed: %s (%d)",
@@ -995,7 +997,7 @@ done:
                }
 
        } else {
-               mdb_txn_abort( txn );
+               mdb_txn_abort( mdb_tool_txn );
                snprintf( text->bv_val, text->bv_len,
                        "txn_aborted! %s (%d)",
                        mdb_strerror(rc), rc );
@@ -1004,7 +1006,7 @@ done:
                        text->bv_val, 0, 0 );
                e->e_id = NOID;
        }
-       txn = NULL;
+       mdb_tool_txn = NULL;
        idcursor = NULL;
 
        return e->e_id;