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authorAndrew Bartlett <abartlet@samba.org>2009-10-14 11:09:18 +1100
committerAndrew Bartlett <abartlet@samba.org>2009-10-21 22:43:52 +1100
commitfa5ebaa686dc4f66403b5382fdd846d5c85a938b (patch)
tree3f684f297f541e4f8f340c28ab64f3e3c6d7dd0f /source4/dsdb/samdb/ldb_modules
parent27c28d34a7bb80d188782fb073ee5f0a657c9be8 (diff)
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s4:dsdb Split 'set per-partition metadata' into it's own function
This helps us ensure we always set the metadata, even when we are 'adding' a partition that is already in our list. (We *really* don't want these getting out of sync, and the extra writes are harmless) Andrew Bartlett
Diffstat (limited to 'source4/dsdb/samdb/ldb_modules')
-rw-r--r--source4/dsdb/samdb/ldb_modules/partition_init.c301
1 files changed, 162 insertions, 139 deletions
diff --git a/source4/dsdb/samdb/ldb_modules/partition_init.c b/source4/dsdb/samdb/ldb_modules/partition_init.c
index 40975ec4fc..cfec1aa585 100644
--- a/source4/dsdb/samdb/ldb_modules/partition_init.c
+++ b/source4/dsdb/samdb/ldb_modules/partition_init.c
@@ -268,137 +268,19 @@ static int new_partition_from_dn(struct ldb_context *ldb, struct partition_priva
return ret;
}
-static int partition_register(struct ldb_context *ldb, struct dsdb_control_current_partition *ctrl, TALLOC_CTX *mem_ctx)
-{
- struct ldb_request *req;
- int ret;
-
- req = talloc_zero(mem_ctx, struct ldb_request);
- if (req == NULL) {
- ldb_oom(ldb);
- return LDB_ERR_OPERATIONS_ERROR;
- }
-
- req->operation = LDB_REQ_REGISTER_PARTITION;
- req->op.reg_partition.dn = ctrl->dn;
- req->callback = ldb_op_default_callback;
+/* Copy the metadata (@OPTIONS etc) for the new partition into the partition */
- ldb_set_timeout(ldb, req, 0);
-
- req->handle = ldb_handle_new(req, ldb);
- if (req->handle == NULL) {
- return LDB_ERR_OPERATIONS_ERROR;
- }
-
- ret = ldb_request(ldb, req);
- if (ret == LDB_SUCCESS) {
- ret = ldb_wait(req->handle, LDB_WAIT_ALL);
- }
- if (ret != LDB_SUCCESS) {
- ldb_debug(ldb, LDB_DEBUG_ERROR, "partition: Unable to register partition with rootdse!\n");
- talloc_free(mem_ctx);
- return LDB_ERR_OTHER;
- }
- talloc_free(req);
-
- return LDB_SUCCESS;
-}
-
-int partition_create(struct ldb_module *module, struct ldb_request *req)
+static int new_partition_set_replicated_metadata(struct ldb_context *ldb,
+ struct ldb_module *module, struct ldb_request *last_req,
+ struct partition_private_data *data,
+ struct dsdb_partition *partition)
{
int i, ret;
- struct ldb_context *ldb = ldb_module_get_ctx(module);
- struct ldb_request *mod_req, *last_req;
- struct ldb_message *mod_msg;
- struct partition_private_data *data;
- struct dsdb_partition *partition;
- const char *casefold_dn;
-
- /* Check if this is already a partition */
-
- struct dsdb_create_partition_exop *ex_op = talloc_get_type(req->op.extended.data, struct dsdb_create_partition_exop);
- struct ldb_dn *dn = ex_op->new_dn;
-
- data = talloc_get_type(module->private_data, struct partition_private_data);
- if (!data) {
- return LDB_ERR_OPERATIONS_ERROR;
- }
-
- if (!data) {
- /* We are not going to create a partition before we are even set up */
- return LDB_ERR_UNWILLING_TO_PERFORM;
- }
-
- for (i=0; data->partitions && data->partitions[i]; i++) {
- if (ldb_dn_compare(data->partitions[i]->ctrl->dn, dn) == 0) {
- return LDB_ERR_ATTRIBUTE_OR_VALUE_EXISTS;
- }
- }
-
- mod_msg = ldb_msg_new(req);
- if (!mod_msg) {
- ldb_oom(ldb);
- return LDB_ERR_OPERATIONS_ERROR;
- }
-
- mod_msg->dn = ldb_dn_new(mod_msg, ldb, DSDB_PARTITION_DN);
- ret = ldb_msg_add_empty(mod_msg, DSDB_PARTITION_ATTR, LDB_FLAG_MOD_ADD, NULL);
- if (ret != LDB_SUCCESS) {
- return ret;
- }
-
- casefold_dn = ldb_dn_get_casefold(dn);
-
- ret = ldb_msg_add_string(mod_msg, DSDB_PARTITION_ATTR, casefold_dn);
- if (ret != LDB_SUCCESS) {
- return ret;
- }
-
- /* Perform modify on @PARTITION record */
- ret = ldb_build_mod_req(&mod_req, ldb, req, mod_msg, NULL, NULL,
- ldb_op_default_callback, req);
-
- if (ret != LDB_SUCCESS) {
- return ret;
- }
-
- ret = ldb_next_request(module, mod_req);
- if (ret == LDB_SUCCESS) {
- ret = ldb_wait(mod_req->handle, LDB_WAIT_ALL);
- }
-
- if (ret != LDB_SUCCESS) {
- return ret;
- }
-
- ret = partition_reload_metadata(module, data, req, NULL);
- if (ret != LDB_SUCCESS) {
- return ret;
- }
-
- /* Make a partition structure for this new partition, so we can copy in the template structure */
- ret = new_partition_from_dn(ldb, data, req, ldb_dn_copy(req, dn), casefold_dn, &partition);
- if (ret != LDB_SUCCESS) {
- return ret;
- }
-
- /* Start a transaction on the DB (as it won't be in one being brand new) */
- {
- struct ldb_module *next = partition->module;
- PARTITION_FIND_OP(next, start_transaction);
-
- ret = next->ops->start_transaction(next);
- if (ret != LDB_SUCCESS) {
- return ret;
- }
- }
-
- /* otherwise, for each replicate, copy from main partition. If we get an error, we report it up the chain */
- last_req = mod_req;
+ /* for each replicate, copy from main partition. If we get an error, we report it up the chain */
for (i=0; data->replicate && data->replicate[i]; i++) {
struct ldb_result *replicate_res;
struct ldb_request *add_req;
- ret = dsdb_module_search_dn(module, req, &replicate_res,
+ ret = dsdb_module_search_dn(module, last_req, &replicate_res,
data->replicate[i],
NULL);
if (ret == LDB_ERR_NO_SUCH_OBJECT) {
@@ -415,7 +297,8 @@ int partition_create(struct ldb_module *module, struct ldb_request *req)
}
/* Build add request */
- ret = ldb_build_add_req(&add_req, ldb, replicate_res, replicate_res->msgs[0], NULL, NULL,
+ ret = ldb_build_add_req(&add_req, ldb, replicate_res,
+ replicate_res->msgs[0], NULL, NULL,
ldb_op_default_callback, last_req);
last_req = add_req;
if (ret != LDB_SUCCESS) {
@@ -508,27 +391,167 @@ int partition_create(struct ldb_module *module, struct ldb_request *req)
/* And around again, for the next thing we must merge */
}
+ return LDB_SUCCESS;
+}
- /* Count the partitions */
- for (i=0; data->partitions && data->partitions[i]; i++) { /* noop */};
-
- /* Add partition to list of partitions */
- data->partitions = talloc_realloc(data, data->partitions, struct dsdb_partition *, i + 2);
- if (!data->partitions) {
+static int partition_register(struct ldb_context *ldb, struct dsdb_control_current_partition *ctrl, TALLOC_CTX *mem_ctx)
+{
+ struct ldb_request *req;
+ int ret;
+
+ req = talloc_zero(mem_ctx, struct ldb_request);
+ if (req == NULL) {
ldb_oom(ldb);
return LDB_ERR_OPERATIONS_ERROR;
}
- data->partitions[i] = talloc_steal(data->partitions, partition);
- data->partitions[i+1] = NULL;
- /* Sort again (should use binary insert) */
- qsort(data->partitions, i+1,
- sizeof(*data->partitions), partition_sort_compare);
+ req->operation = LDB_REQ_REGISTER_PARTITION;
+ req->op.reg_partition.dn = ctrl->dn;
+ req->callback = ldb_op_default_callback;
+
+ ldb_set_timeout(ldb, req, 0);
+
+ req->handle = ldb_handle_new(req, ldb);
+ if (req->handle == NULL) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ ret = ldb_request(ldb, req);
+ if (ret == LDB_SUCCESS) {
+ ret = ldb_wait(req->handle, LDB_WAIT_ALL);
+ }
+ if (ret != LDB_SUCCESS) {
+ ldb_debug(ldb, LDB_DEBUG_ERROR, "partition: Unable to register partition with rootdse!\n");
+ talloc_free(mem_ctx);
+ return LDB_ERR_OTHER;
+ }
+ talloc_free(req);
+
+ return LDB_SUCCESS;
+}
+
+int partition_create(struct ldb_module *module, struct ldb_request *req)
+{
+ int i, ret;
+ struct ldb_context *ldb = ldb_module_get_ctx(module);
+ struct ldb_request *mod_req, *last_req = req;
+ struct ldb_message *mod_msg;
+ struct partition_private_data *data;
+ struct dsdb_partition *partition = NULL;
+ const char *casefold_dn;
+ bool new_partition = false;
+
+ /* Check if this is already a partition */
+
+ struct dsdb_create_partition_exop *ex_op = talloc_get_type(req->op.extended.data, struct dsdb_create_partition_exop);
+ struct ldb_dn *dn = ex_op->new_dn;
+
+ data = talloc_get_type(module->private_data, struct partition_private_data);
+ if (!data) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ if (!data) {
+ /* We are not going to create a partition before we are even set up */
+ return LDB_ERR_UNWILLING_TO_PERFORM;
+ }
+
+ ret = partition_reload_metadata(module, data, req, NULL);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+
+ for (i=0; data->partitions && data->partitions[i]; i++) {
+ if (ldb_dn_compare(data->partitions[i]->ctrl->dn, dn) == 0) {
+ partition = data->partitions[i];
+ }
+ }
+
+ if (!partition) {
+ new_partition = true;
+ mod_msg = ldb_msg_new(req);
+ if (!mod_msg) {
+ ldb_oom(ldb);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ mod_msg->dn = ldb_dn_new(mod_msg, ldb, DSDB_PARTITION_DN);
+ ret = ldb_msg_add_empty(mod_msg, DSDB_PARTITION_ATTR, LDB_FLAG_MOD_ADD, NULL);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+
+ casefold_dn = ldb_dn_get_casefold(dn);
+
+ ret = ldb_msg_add_string(mod_msg, DSDB_PARTITION_ATTR, casefold_dn);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+
+ /* Perform modify on @PARTITION record */
+ ret = ldb_build_mod_req(&mod_req, ldb, req, mod_msg, NULL, NULL,
+ ldb_op_default_callback, req);
+
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+
+ last_req = mod_req;
- ret = partition_register(ldb, partition->ctrl, req);
+ ret = ldb_next_request(module, mod_req);
+ if (ret == LDB_SUCCESS) {
+ ret = ldb_wait(mod_req->handle, LDB_WAIT_ALL);
+ }
+
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+
+ /* Make a partition structure for this new partition, so we can copy in the template structure */
+ ret = new_partition_from_dn(ldb, data, req, ldb_dn_copy(req, dn), casefold_dn, &partition);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+
+ /* Start a transaction on the DB (as it won't be in one being brand new) */
+ {
+ struct ldb_module *next = partition->module;
+ PARTITION_FIND_OP(next, start_transaction);
+
+ ret = next->ops->start_transaction(next);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ }
+ }
+
+ ret = new_partition_set_replicated_metadata(ldb, module, last_req, data, partition);
if (ret != LDB_SUCCESS) {
return ret;
- }
+ }
+
+ if (new_partition) {
+ /* Count the partitions */
+ for (i=0; data->partitions && data->partitions[i]; i++) { /* noop */};
+
+ /* Add partition to list of partitions */
+ data->partitions = talloc_realloc(data, data->partitions, struct dsdb_partition *, i + 2);
+ if (!data->partitions) {
+ ldb_oom(ldb);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ data->partitions[i] = talloc_steal(data->partitions, partition);
+ data->partitions[i+1] = NULL;
+
+ /* Sort again (should use binary insert) */
+ qsort(data->partitions, i+1,
+ sizeof(*data->partitions), partition_sort_compare);
+
+ ret = partition_register(ldb, partition->ctrl, req);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ }
/* send request done */
return ldb_module_done(req, NULL, NULL, LDB_SUCCESS);