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authorKamen Mazdrashki <kamenim@samba.org>2010-04-22 17:59:22 +0300
committerKamen Mazdrashki <kamenim@samba.org>2010-04-29 04:54:06 +0300
commite41eac96afb1d6d465faeb1e4e9a669cff1b8bc1 (patch)
tree6a1cfe0cbb2b6e868f4397577cecae59df8dc101 /source4/dsdb
parent546a727bd326464c6fac3c6454e4e98314e0e75a (diff)
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s4/samldb: Create initial schemaInfo value if it doesn't exists yet
Diffstat (limited to 'source4/dsdb')
-rw-r--r--source4/dsdb/schema/schema_info_attr.c37
1 files changed, 30 insertions, 7 deletions
diff --git a/source4/dsdb/schema/schema_info_attr.c b/source4/dsdb/schema/schema_info_attr.c
index 60722eea52..44a12ad629 100644
--- a/source4/dsdb/schema/schema_info_attr.c
+++ b/source4/dsdb/schema/schema_info_attr.c
@@ -30,6 +30,24 @@
/**
+ * Creates and initializes new dsdb_schema_info value.
+ * Initial schemaInfo values is with:
+ * revision = 0
+ * invocationId = GUID_ZERO
+ */
+WERROR dsdb_schema_info_new(TALLOC_CTX *mem_ctx, struct dsdb_schema_info **_schema_info)
+{
+ struct dsdb_schema_info *schema_info;
+
+ schema_info = talloc_zero(mem_ctx, struct dsdb_schema_info);
+ W_ERROR_HAVE_NO_MEMORY(schema_info);
+
+ *_schema_info = schema_info;
+
+ return WERR_OK;
+}
+
+/**
* Creates and initializes new dsdb_schema_info blob value.
* Initial schemaInfo values is with:
* revision = 0
@@ -391,20 +409,25 @@ WERROR dsdb_module_schema_info_update(struct ldb_module *ldb_module,
const struct GUID *invocation_id;
struct dsdb_schema_info *schema_info;
- TALLOC_CTX *mem_ctx = talloc_new(schema);
- W_ERROR_HAVE_NO_MEMORY(mem_ctx);
+ TALLOC_CTX *temp_ctx = talloc_new(schema);
+ W_ERROR_HAVE_NO_MEMORY(temp_ctx);
invocation_id = samdb_ntds_invocation_id(ldb_module_get_ctx(ldb_module));
if (!invocation_id) {
return WERR_INTERNAL_DB_CORRUPTION;
}
- werr = dsdb_module_schema_info_read(ldb_module, dsdb_flags,
- mem_ctx, &schema_info);
+ /* read serialized schemaInfo from LDB */
+ werr = dsdb_module_schema_info_read(ldb_module, dsdb_flags, temp_ctx, &schema_info);
+ if (W_ERROR_EQUAL(werr, WERR_DS_NO_ATTRIBUTE_OR_VALUE)) {
+ /* make default value in case
+ * we have no schemaInfo value yet */
+ werr = dsdb_schema_info_new(temp_ctx, &schema_info);
+ }
if (!W_ERROR_IS_OK(werr)) {
DEBUG(0,("dsdb_module_schema_info_update: failed to reload schemaInfo - %s\n",
win_errstr(werr)));
- talloc_free(mem_ctx);
+ talloc_free(temp_ctx);
return werr;
}
@@ -416,7 +439,7 @@ WERROR dsdb_module_schema_info_update(struct ldb_module *ldb_module,
if (!W_ERROR_IS_OK(werr)) {
DEBUG(0,("dsdb_module_schema_info_update: failed to save schemaInfo - %s\n",
win_errstr(werr)));
- talloc_free(mem_ctx);
+ talloc_free(temp_ctx);
return werr;
}
@@ -427,6 +450,6 @@ WERROR dsdb_module_schema_info_update(struct ldb_module *ldb_module,
schema->schema_info = talloc_steal(schema, schema_info);
*/
- talloc_free(mem_ctx);
+ talloc_free(temp_ctx);
return WERR_OK;
}