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-rw-r--r--source4/dsdb/samdb/ldb_modules/linked_attributes.c334
1 files changed, 132 insertions, 202 deletions
diff --git a/source4/dsdb/samdb/ldb_modules/linked_attributes.c b/source4/dsdb/samdb/ldb_modules/linked_attributes.c
index 7721296b7c..aea0a34ec2 100644
--- a/source4/dsdb/samdb/ldb_modules/linked_attributes.c
+++ b/source4/dsdb/samdb/ldb_modules/linked_attributes.c
@@ -77,10 +77,135 @@ static struct linked_attributes_context *linked_attributes_init_handle(struct ld
return ac;
}
+/* Common routine to handle reading the attributes and creating a
+ * series of modify requests */
+
+static int setup_modifies(struct ldb_context *ldb, TALLOC_CTX *mem_ctx,
+ struct linked_attributes_context *ac,
+ struct ldb_message *msg,
+ struct ldb_dn *olddn, struct ldb_dn *newdn)
+{
+ int i, j, ret = LDB_SUCCESS;
+ const struct dsdb_schema *schema = dsdb_get_schema(ldb);
+ /* Look up each of the returned attributes */
+ /* Find their schema */
+ /* And it is an actual entry: now create a series of modify requests */
+ for (i=0; i < msg->num_elements; i++) {
+ int otherid;
+ const struct dsdb_attribute *target_attr;
+ const struct ldb_message_element *el = &msg->elements[i];
+ const struct dsdb_attribute *schema_attr
+ = dsdb_attribute_by_lDAPDisplayName(schema, el->name);
+ if (!schema_attr) {
+ ldb_asprintf_errstring(ldb,
+ "attribute %s is not a valid attribute in schema", el->name);
+ return LDB_ERR_OBJECT_CLASS_VIOLATION;
+ }
+ /* We have a valid attribute, but if it's not linked they maybe we just got an extra return on our search... */
+ if (schema_attr->linkID == 0) {
+ continue;
+ }
+
+ /* Depending on which direction this link is in, we need to find it's partner */
+ if ((schema_attr->linkID & 1) == 1) {
+ otherid = schema_attr->linkID - 1;
+ } else {
+ otherid = schema_attr->linkID + 1;
+ }
+
+ /* Now find the target attribute */
+ target_attr = dsdb_attribute_by_linkID(schema, otherid);
+ if (!target_attr) {
+ ldb_asprintf_errstring(ldb,
+ "attribute %s does not have valid link target", el->name);
+ return LDB_ERR_OBJECT_CLASS_VIOLATION;
+ }
+
+ /* For each value being moded, we need to setup the modify */
+ for (j=0; j < el->num_values; j++) {
+ struct ldb_message_element *ret_el;
+ struct ldb_request *new_req;
+ /* Create the modify request */
+ struct ldb_message *new_msg = ldb_msg_new(ac->down_req);
+ if (!new_msg) {
+ ldb_oom(ldb);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ new_msg->dn = ldb_dn_new(new_msg, ldb, (char *)el->values[j].data);
+ if (!new_msg->dn) {
+ ldb_asprintf_errstring(ldb,
+ "attribute %s value %s was not a valid DN", msg->elements[i].name,
+ el->values[j].data);
+ return LDB_ERR_INVALID_ATTRIBUTE_SYNTAX;
+ }
+
+ if (olddn) {
+ ret = ldb_msg_add_empty(new_msg, target_attr->lDAPDisplayName,
+ LDB_FLAG_MOD_DELETE, &ret_el);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ ret_el->values = talloc_array(new_msg, struct ldb_val, 1);
+ if (!ret_el->values) {
+ ldb_oom(ldb);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ ret_el->values[0] = data_blob_string_const(ldb_dn_get_linearized(olddn));
+ ret_el->num_values = 1;
+ }
+
+ if (newdn) {
+ ret = ldb_msg_add_empty(new_msg, target_attr->lDAPDisplayName,
+ LDB_FLAG_MOD_ADD, &ret_el);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ ret_el->values = talloc_array(new_msg, struct ldb_val, 1);
+ if (!ret_el->values) {
+ ldb_oom(ldb);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ ret_el->values[0] = data_blob_string_const(ldb_dn_get_linearized(newdn));
+ ret_el->num_values = 1;
+ }
+
+ ret = ldb_build_mod_req(&new_req, ldb, ac->down_req,
+ new_msg,
+ NULL,
+ NULL,
+ NULL);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+
+ talloc_steal(new_req, new_msg);
+
+ ldb_set_timeout_from_prev_req(ldb, ac->orig_req, new_req);
+
+ /* Now add it to the list */
+ ac->down_req = talloc_realloc(ac, ac->down_req,
+ struct ldb_request *, ac->num_requests + 1);
+ if (!ac->down_req) {
+ ldb_oom(ldb);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ ac->down_req[ac->num_requests] = new_req;
+ ac->num_requests++;
+
+ /* Run the new request */
+ ret = ldb_next_request(ac->module, new_req);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ }
+ }
+ return ret;
+}
+
/* add */
static int linked_attributes_add(struct ldb_module *module, struct ldb_request *req)
{
- int i, j, ret;
+ int i, ret;
struct linked_attributes_context *ac;
const struct dsdb_schema *schema = dsdb_get_schema(module->ldb);
@@ -123,8 +248,8 @@ static int linked_attributes_add(struct ldb_module *module, struct ldb_request *
return ret;
}
+ /* Need to ensure we only have forward links being specified */
for (i=0; i < req->op.add.message->num_elements; i++) {
- const struct dsdb_attribute *target_attr;
const struct ldb_message_element *el = &req->op.add.message->elements[i];
const struct dsdb_attribute *schema_attr
= dsdb_attribute_by_lDAPDisplayName(schema, el->name);
@@ -146,77 +271,10 @@ static int linked_attributes_add(struct ldb_module *module, struct ldb_request *
}
/* Even link IDs are for the originating attribute */
-
- /* Now find the target attribute */
- target_attr = dsdb_attribute_by_linkID(schema, schema_attr->linkID + 1);
- if (!target_attr) {
- ldb_asprintf_errstring(module->ldb,
- "attribute %s does not have valid link target", req->op.add.message->elements[i].name);
- return LDB_ERR_OBJECT_CLASS_VIOLATION;
- }
-
- /* Prepare the modify (add element) on the targets */
-
- /* For each value being added, we need to setup the modify */
- for (j=0; j < el->num_values; j++) {
- struct ldb_request *new_req;
- /* Create the modify request */
- struct ldb_message *new_msg = ldb_msg_new(ac->down_req);
- if (!new_msg) {
- ldb_oom(module->ldb);
- return LDB_ERR_OPERATIONS_ERROR;
- }
- new_msg->dn = ldb_dn_new(new_msg, module->ldb, (char *)el->values[j].data);
- if (!new_msg->dn) {
- ldb_asprintf_errstring(module->ldb,
- "attribute %s value %s was not a valid DN", req->op.add.message->elements[i].name,
- el->values[j].data);
- return LDB_ERR_INVALID_ATTRIBUTE_SYNTAX;
- }
-
- ret = ldb_msg_add_empty(new_msg, target_attr->lDAPDisplayName,
- LDB_FLAG_MOD_ADD, NULL);
- if (ret != LDB_SUCCESS) {
- return ret;
- }
-
- ret = ldb_msg_add_string(new_msg, target_attr->lDAPDisplayName,
- ldb_dn_get_linearized(ac->orig_req->op.add.message->dn));
- if (ret != LDB_SUCCESS) {
- return ret;
- }
-
- ret = ldb_build_mod_req(&new_req, module->ldb, ac->down_req,
- new_msg,
- NULL,
- NULL,
- NULL);
- if (ret != LDB_SUCCESS) {
- return ret;
- }
-
- talloc_steal(new_req, new_msg);
-
- ldb_set_timeout_from_prev_req(module->ldb, req, new_req);
-
- /* Now add it to the list */
- ac->down_req = talloc_realloc(ac, ac->down_req,
- struct ldb_request *, ac->num_requests + 1);
- if (!ac->down_req) {
- ldb_oom(ac->module->ldb);
- return LDB_ERR_OPERATIONS_ERROR;
- }
- ac->down_req[ac->num_requests] = new_req;
- ac->num_requests++;
-
- /* Run the new request */
- ret = ldb_next_request(module, new_req);
- if (ret != LDB_SUCCESS) {
- return ret;
- }
- }
}
- return ret;
+
+ /* Now call the common routine to setup the modifies across all the attributes */
+ return setup_modifies(module->ldb, ac, ac, req->op.add.message, NULL, req->op.add.message->dn);
}
/* modify */
@@ -371,140 +429,12 @@ static int linked_attributes_modify(struct ldb_module *module, struct ldb_reques
return ret;
}
-static int setup_modifies(struct ldb_context *ldb, TALLOC_CTX *mem_ctx,
- struct linked_attributes_context *ac,
- struct ldb_message *msg,
- struct ldb_dn *olddn, struct ldb_dn *newdn)
-{
- int i, j, ret = LDB_SUCCESS;
- const struct dsdb_schema *schema = dsdb_get_schema(ldb);
- /* Look up each of the returned attributes */
- /* Find their schema */
- /* And it is an actual entry: now create a series of modify requests */
- for (i=0; i < msg->num_elements; i++) {
- int otherid;
- const struct dsdb_attribute *target_attr;
- const struct ldb_message_element *el = &msg->elements[i];
- const struct dsdb_attribute *schema_attr
- = dsdb_attribute_by_lDAPDisplayName(schema, el->name);
- if (!schema_attr) {
- ldb_asprintf_errstring(ldb,
- "attribute %s is not a valid attribute in schema", el->name);
- return LDB_ERR_OBJECT_CLASS_VIOLATION;
- }
- /* We have a valid attribute, but if it's not linked they maybe we just got an extra return on our search... */
- if (schema_attr->linkID == 0) {
- continue;
- }
-
- /* Depending on which direction this link is in, we need to find it's partner */
- if ((schema_attr->linkID & 1) == 1) {
- otherid = schema_attr->linkID - 1;
- } else {
- otherid = schema_attr->linkID + 1;
- }
-
- /* Now find the target attribute */
- target_attr = dsdb_attribute_by_linkID(schema, otherid);
- if (!target_attr) {
- ldb_asprintf_errstring(ldb,
- "attribute %s does not have valid link target", el->name);
- return LDB_ERR_OBJECT_CLASS_VIOLATION;
- }
-
- /* For each value being moded, we need to setup the modify */
- for (j=0; j < el->num_values; j++) {
- struct ldb_message_element *ret_el;
- struct ldb_request *new_req;
- /* Create the modify request */
- struct ldb_message *new_msg = ldb_msg_new(ac->down_req);
- if (!new_msg) {
- ldb_oom(ldb);
- return LDB_ERR_OPERATIONS_ERROR;
- }
- new_msg->dn = ldb_dn_new(new_msg, ldb, (char *)el->values[j].data);
- if (!new_msg->dn) {
- ldb_asprintf_errstring(ldb,
- "attribute %s value %s was not a valid DN", msg->elements[i].name,
- el->values[j].data);
- return LDB_ERR_INVALID_ATTRIBUTE_SYNTAX;
- }
-
- if (olddn) {
- ret = ldb_msg_add_empty(new_msg, target_attr->lDAPDisplayName,
- LDB_FLAG_MOD_DELETE, &ret_el);
- if (ret != LDB_SUCCESS) {
- return ret;
- }
- ret_el->values = talloc_array(new_msg, struct ldb_val, 1);
- if (!ret_el->values) {
- ldb_oom(ldb);
- return LDB_ERR_OPERATIONS_ERROR;
- }
- ret_el->values[0] = data_blob_string_const(ldb_dn_get_linearized(olddn));
- ret_el->num_values = 1;
- }
-
- if (newdn) {
- ret = ldb_msg_add_empty(new_msg, target_attr->lDAPDisplayName,
- LDB_FLAG_MOD_ADD, &ret_el);
- if (ret != LDB_SUCCESS) {
- return ret;
- }
- ret_el->values = talloc_array(new_msg, struct ldb_val, 1);
- if (!ret_el->values) {
- ldb_oom(ldb);
- return LDB_ERR_OPERATIONS_ERROR;
- }
- ret_el->values[0] = data_blob_string_const(ldb_dn_get_linearized(newdn));
- ret_el->num_values = 1;
- }
-
- ret = ldb_build_mod_req(&new_req, ldb, ac->down_req,
- new_msg,
- NULL,
- NULL,
- NULL);
- if (ret != LDB_SUCCESS) {
- return ret;
- }
-
- talloc_steal(new_req, new_msg);
-
- ldb_set_timeout_from_prev_req(ldb, ac->orig_req, new_req);
-
- /* Now add it to the list */
- ac->down_req = talloc_realloc(ac, ac->down_req,
- struct ldb_request *, ac->num_requests + 1);
- if (!ac->down_req) {
- ldb_oom(ldb);
- return LDB_ERR_OPERATIONS_ERROR;
- }
- ac->down_req[ac->num_requests] = new_req;
- ac->num_requests++;
-
- /* Run the new request */
- ret = ldb_next_request(ac->module, new_req);
- if (ret != LDB_SUCCESS) {
- return ret;
- }
- }
- }
- return ret;
-}
-
static int linked_attributes_rename_del_search_callback(struct ldb_context *ldb, void *context, struct ldb_reply *ares)
{
struct ldb_request *req;
struct linked_attributes_context *ac = talloc_get_type(context, struct linked_attributes_context);
struct ldb_dn *olddn, *newdn;
- TALLOC_CTX *mem_ctx = talloc_new(ac);
- if (!mem_ctx) {
- ldb_oom(ldb);
- return LDB_ERR_OPERATIONS_ERROR;
- }
-
switch (ac->orig_req->operation) {
case LDB_DELETE:
{
@@ -530,7 +460,7 @@ static int linked_attributes_rename_del_search_callback(struct ldb_context *ldb,
&& ldb_dn_compare(ares->message->dn, olddn) == 0) {
/* only bother at all if there were some linked attributes found */
if (ares->message->num_elements > 0) {
- return setup_modifies(ldb, mem_ctx, ac,
+ return setup_modifies(ldb, ac, ac,
ares->message, olddn, newdn);
}
talloc_free(ares);
@@ -539,7 +469,7 @@ static int linked_attributes_rename_del_search_callback(struct ldb_context *ldb,
/* Guh? We only asked for this DN */
return LDB_ERR_OPERATIONS_ERROR;
} else if (ares->type == LDB_REPLY_DONE) {
- req = talloc(mem_ctx, struct ldb_request);
+ req = talloc(ac, struct ldb_request);
*req = *ac->orig_req;
talloc_free(ares);