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dsdb:repl_meta_data: implement DSDB_CONTROL_DBCHECK_FIX_DUPLICATE_LINKS control

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This will be used by dbcheck to fix duplicate link values.

BUG: https://bugzilla.samba.org/show_bug.cgi?id=13095

Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This commit is contained in:
Stefan Metzmacher 2017-10-25 16:48:44 +02:00
parent 1eb8d8ec5a
commit 9a1e23a1f6
1 changed files with 34 additions and 0 deletions
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34
source4/dsdb/samdb/ldb_modules/repl_meta_data.c
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@ -3303,6 +3303,7 @@ static int replmd_modify(struct ldb_module *module, struct ldb_request *req)
unsigned int functional_level;
const struct ldb_message_element *guid_el = NULL;
struct ldb_control *sd_propagation_control;
struct ldb_control *fix_links_control = NULL;
struct replmd_private *replmd_private =
talloc_get_type(ldb_module_get_private(module), struct replmd_private);
@ -3328,6 +3329,39 @@ static int replmd_modify(struct ldb_module *module, struct ldb_request *req)
ldb = ldb_module_get_ctx(module);
fix_links_control = ldb_request_get_control(req,
DSDB_CONTROL_DBCHECK_FIX_DUPLICATE_LINKS);
if (fix_links_control != NULL) {
struct dsdb_schema *schema = NULL;
const struct dsdb_attribute *sa = NULL;
if (req->op.mod.message->num_elements != 1) {
return ldb_module_operr(module);
}
if (req->op.mod.message->elements[0].flags != LDB_FLAG_MOD_REPLACE) {
return ldb_module_operr(module);
}
schema = dsdb_get_schema(ldb, req);
if (schema == NULL) {
return ldb_module_operr(module);
}
sa = dsdb_attribute_by_lDAPDisplayName(schema,
req->op.mod.message->elements[0].name);
if (sa == NULL) {
return ldb_module_operr(module);
}
if (sa->linkID == 0) {
return ldb_module_operr(module);
}
fix_links_control->critical = false;
return ldb_next_request(module, req);
}
ldb_debug(ldb, LDB_DEBUG_TRACE, "replmd_modify\n");
guid_el = ldb_msg_find_element(req->op.mod.message, "objectGUID");