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-rw-r--r--source4/dsdb/samdb/ldb_modules/rootdse.c126
1 files changed, 107 insertions, 19 deletions
diff --git a/source4/dsdb/samdb/ldb_modules/rootdse.c b/source4/dsdb/samdb/ldb_modules/rootdse.c
index 14d6a243c4..7ae96a3431 100644
--- a/source4/dsdb/samdb/ldb_modules/rootdse.c
+++ b/source4/dsdb/samdb/ldb_modules/rootdse.c
@@ -47,31 +47,21 @@ static int do_attribute(const char * const *attrs, const char *name)
/*
add dynamically generated attributes to rootDSE result
*/
-static int rootdse_add_dynamic(struct ldb_module *module, struct ldb_request *req)
+static int rootdse_add_dynamic(struct ldb_module *module, struct ldb_message *msg, const char * const *attrs)
{
struct private_data *priv = talloc_get_type(module->private_data, struct private_data);
- struct ldb_search *s = &req->op.search;
- struct ldb_message *msg;
struct cli_credentials *server_creds;
- /* this is gross, and will be removed when I change ldb_result not
- to be so pointer crazy :-) */
- if (s->res->msgs == NULL) {
- return LDB_SUCCESS;
- }
-
- msg = s->res->msgs[0];
-
msg->dn = ldb_dn_explode(msg, "");
- if (do_attribute(s->attrs, "currentTime")) {
+ if (do_attribute(attrs, "currentTime")) {
if (ldb_msg_add_steal_string(msg, "currentTime",
ldb_timestring(msg, time(NULL))) != 0) {
goto failed;
}
}
- if (do_attribute(s->attrs, "supportedControl")) {
+ if (do_attribute(attrs, "supportedControl")) {
int i;
for (i = 0; i < priv->num_controls; i++) {
char *control = talloc_strdup(msg, priv->controls[i]);
@@ -87,12 +77,12 @@ static int rootdse_add_dynamic(struct ldb_module *module, struct ldb_request *re
server_creds = talloc_get_type(ldb_get_opaque(module->ldb, "server_credentials"),
struct cli_credentials);
- if (server_creds && do_attribute(s->attrs, "supportedSASLMechanisms")) {
+ if (server_creds && do_attribute(attrs, "supportedSASLMechanisms")) {
struct gensec_security_ops **backends = gensec_security_all();
enum credentials_use_kerberos use_kerberos
= cli_credentials_get_kerberos_state(server_creds);
struct gensec_security_ops **ops
- = gensec_use_kerberos_mechs(req, backends, use_kerberos);
+ = gensec_use_kerberos_mechs(msg, backends, use_kerberos);
int i;
for (i = 0; ops && ops[i]; i++) {
if (ops[i]->sasl_name) {
@@ -108,7 +98,7 @@ static int rootdse_add_dynamic(struct ldb_module *module, struct ldb_request *re
}
}
- if (do_attribute(s->attrs, "highestCommittedUSN")) {
+ if (do_attribute(attrs, "highestCommittedUSN")) {
if (module->ldb->sequence_number != NULL &&
ldb_msg_add_fmt(msg, "highestCommittedUSN",
"%llu", module->ldb->sequence_number(module->ldb)) != 0) {
@@ -118,7 +108,7 @@ static int rootdse_add_dynamic(struct ldb_module *module, struct ldb_request *re
/* TODO: lots more dynamic attributes should be added here */
- return 0;
+ return LDB_SUCCESS;
failed:
return LDB_ERR_OPERATIONS_ERROR;
@@ -155,8 +145,8 @@ static int rootdse_search_bytree(struct ldb_module *module, struct ldb_request *
req->op.search.res = s->res;
- if (ret == LDB_SUCCESS) {
- ret = rootdse_add_dynamic(module, req);
+ if ((ret == LDB_SUCCESS) && (s->res->msgs != NULL)) {
+ ret = rootdse_add_dynamic(module, s->res->msgs[0], s->attrs);
}
talloc_free(tmp_ctx);
@@ -164,6 +154,99 @@ static int rootdse_search_bytree(struct ldb_module *module, struct ldb_request *
return ret;
}
+struct rootdse_async_context {
+ struct ldb_module *module;
+ void *up_context;
+ int (*up_callback)(struct ldb_context *, void *, struct ldb_async_result *);
+ int timeout;
+
+ const char * const * attrs;
+};
+
+static int rootdse_async_callback(struct ldb_context *ldb, void *context, struct ldb_async_result *ares)
+{
+ struct rootdse_async_context *ac;
+
+ if (!context || !ares) {
+ ldb_set_errstring(ldb, talloc_asprintf(ldb, "NULL Context or Result in callback"));
+ goto error;
+ }
+
+ ac = talloc_get_type(context, struct rootdse_async_context);
+
+ if (ares->type == LDB_REPLY_ENTRY) {
+ /* for each record returned post-process to add any dynamic
+ attributes that have been asked for */
+ if (rootdse_add_dynamic(ac->module, ares->message, ac->attrs) != LDB_SUCCESS) {
+ goto error;
+ }
+ }
+
+ return ac->up_callback(ldb, ac->up_context, ares);
+
+error:
+ talloc_free(ares);
+ return LDB_ERR_OPERATIONS_ERROR;
+}
+
+static int rootdse_search_async(struct ldb_module *module, struct ldb_request *req)
+{
+ struct rootdse_async_context *ac;
+ struct ldb_request *down_req;
+ int ret;
+
+ /* see if its for the rootDSE */
+ if (req->op.search.scope != LDB_SCOPE_BASE ||
+ (req->op.search.base && req->op.search.base->comp_num != 0)) {
+ return ldb_next_request(module, req);
+ }
+
+ ac = talloc(req, struct rootdse_async_context);
+ if (ac == NULL) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ ac->module = module;
+ ac->up_context = req->async.context;
+ ac->up_callback = req->async.callback;
+ ac->timeout = req->async.timeout;
+ ac->attrs = req->op.search.attrs;
+
+ down_req = talloc_zero(req, struct ldb_request);
+ if (down_req == NULL) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ down_req->operation = req->operation;
+ /* in our db we store the rootDSE with a DN of cn=rootDSE */
+ down_req->op.search.base = ldb_dn_explode(down_req, "cn=rootDSE");
+ down_req->op.search.scope = LDB_SCOPE_BASE;
+ down_req->op.search.tree = ldb_parse_tree(down_req, "dn=*");
+ if (down_req->op.search.base == NULL || down_req->op.search.tree == NULL) {
+ ldb_oom(module->ldb);
+ talloc_free(down_req);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ down_req->op.search.attrs = req->op.search.attrs;
+ down_req->controls = req->controls;
+ down_req->creds = req->creds;
+
+ down_req->async.context = ac;
+ down_req->async.callback = rootdse_async_callback;
+ down_req->async.timeout = req->async.timeout;
+
+ /* perform the search */
+ ret = ldb_next_request(module, down_req);
+
+ /* do not free down_req as the call results may be linked to it,
+ * it will be freed when the upper level request get freed */
+ if (ret == LDB_SUCCESS) {
+ req->async.handle = down_req->async.handle;
+ }
+
+ return ret;
+}
+
static int rootdse_register_control(struct ldb_module *module, struct ldb_request *req)
{
struct private_data *priv = talloc_get_type(module->private_data, struct private_data);
@@ -191,8 +274,13 @@ static int rootdse_request(struct ldb_module *module, struct ldb_request *req)
switch (req->operation) {
case LDB_REQ_SEARCH:
return rootdse_search_bytree(module, req);
+
+ case LDB_ASYNC_SEARCH:
+ return rootdse_search_async(module, req);
+
case LDB_REQ_REGISTER:
return rootdse_register_control(module, req);
+
default:
break;
}