svn commit: samba r26697 - in branches/SAMBA_4_0/source/dsdb/schema: .

[abartlet]

Author: abartlet
Date: 2008-01-09 05:36:02 +0000 (Wed, 09 Jan 2008)
New Revision: 26697

WebSVN: 
http://websvn.samba.org/cgi-bin/viewcvs.cgi?view=rev&root=samba&rev=26697

Log:
Leak less memory into the ldb context.

(Trying to chase down memory leaks in provision)

Andrew Bartlett

Modified:
   branches/SAMBA_4_0/source/dsdb/schema/schema_init.c


Changeset:
Modified: branches/SAMBA_4_0/source/dsdb/schema/schema_init.c
===================================================================
--- branches/SAMBA_4_0/source/dsdb/schema/schema_init.c 2008-01-08 22:56:44 UTC 
(rev 26696)
+++ branches/SAMBA_4_0/source/dsdb/schema/schema_init.c 2008-01-09 05:36:02 UTC 
(rev 26697)
@@ -85,24 +85,30 @@
        struct prefixMapBlob pfm;
        char *schema_info;
 
-       ndr_err = ndr_pull_struct_blob(prefixMap, schema, 
lp_iconv_convenience(global_loadparm), &pfm,
+       TALLOC_CTX *mem_ctx = talloc_new(schema);
+       W_ERROR_HAVE_NO_MEMORY(mem_ctx);
+       
+       ndr_err = ndr_pull_struct_blob(prefixMap, mem_ctx, 
lp_iconv_convenience(global_loadparm), &pfm,
                                       
(ndr_pull_flags_fn_t)ndr_pull_prefixMapBlob);
        if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
                NTSTATUS nt_status = ndr_map_error2ntstatus(ndr_err);
+               talloc_free(mem_ctx);
                return ntstatus_to_werror(nt_status);
        }
 
        if (pfm.version != PREFIX_MAP_VERSION_DSDB) {
+               talloc_free(mem_ctx);
                return WERR_FOOBAR;
        }
 
        if (schemaInfo->length != 21 && schemaInfo->data[0] == 0xFF) {
+               talloc_free(mem_ctx);
                return WERR_FOOBAR;
        }
 
        /* append the schema info as last element */
        pfm.ctr.dsdb.num_mappings++;
-       pfm.ctr.dsdb.mappings = talloc_realloc(schema, pfm.ctr.dsdb.mappings,
+       pfm.ctr.dsdb.mappings = talloc_realloc(mem_ctx, pfm.ctr.dsdb.mappings,
                                               struct 
drsuapi_DsReplicaOIDMapping,
                                               pfm.ctr.dsdb.num_mappings);
        W_ERROR_HAVE_NO_MEMORY(pfm.ctr.dsdb.mappings);
@@ -116,7 +122,8 @@
 
        /* call the drsuapi version */
        status = dsdb_load_oid_mappings_drsuapi(schema, &pfm.ctr.dsdb);
-       talloc_free(pfm.ctr.dsdb.mappings);
+       talloc_free(mem_ctx);
+
        W_ERROR_NOT_OK_RETURN(status);
 
        return WERR_OK;
@@ -1164,6 +1171,8 @@
        if (!msg) {
                goto nomem;
        }
+       talloc_steal(mem_ctx, msg);
+       talloc_free(ldif);
 
        prefix_val = ldb_msg_find_ldb_val(msg, "prefixMap");
        if (!prefix_val) {
@@ -1200,6 +1209,9 @@
                        goto nomem;
                }
 
+               talloc_steal(mem_ctx, msg);
+               talloc_free(ldif);
+
                is_sa = ldb_msg_check_string_attribute(msg, "objectClass", 
"attributeSchema");
                is_sc = ldb_msg_check_string_attribute(msg, "objectClass", 
"classSchema");