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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-05 17:47:29 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-05 17:47:29 +0000
commit4f5791ebd03eaec1c7da0865a383175b05102712 (patch)
tree8ce7b00f7a76baa386372422adebbe64510812d4 /librpc/ndr/ndr_table.c
parentInitial commit. (diff)
downloadsamba-4f5791ebd03eaec1c7da0865a383175b05102712.tar.xz
samba-4f5791ebd03eaec1c7da0865a383175b05102712.zip
Adding upstream version 2:4.17.12+dfsg.upstream/2%4.17.12+dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'librpc/ndr/ndr_table.c')
-rw-r--r--librpc/ndr/ndr_table.c182
1 files changed, 182 insertions, 0 deletions
diff --git a/librpc/ndr/ndr_table.c b/librpc/ndr/ndr_table.c
new file mode 100644
index 0000000..bc44fd3
--- /dev/null
+++ b/librpc/ndr/ndr_table.c
@@ -0,0 +1,182 @@
+/*
+ Unix SMB/CIFS implementation.
+
+ dcerpc utility functions
+
+ Copyright (C) Andrew Tridgell 2003
+ Copyright (C) Jelmer Vernooij 2004
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+#include "../lib/util/dlinklist.h"
+#include "librpc/ndr/libndr.h"
+#include "librpc/ndr/ndr_table.h"
+#undef strcasecmp
+
+static struct ndr_interface_list *ndr_interfaces;
+
+/*
+ register a ndr interface table
+*/
+NTSTATUS ndr_table_register(const struct ndr_interface_table *table)
+{
+ struct ndr_interface_list *l;
+
+ for (l = ndr_interfaces; l; l = l->next) {
+ /*
+ * If no GUID is supplied, use the name to determine
+ * uniquness.
+ */
+ if (GUID_all_zero(&table->syntax_id.uuid)) {
+ if (strcmp(table->name,
+ l->table->name) != 0) {
+ continue;
+ }
+ DBG_ERR("Attempt to register interface %s which has the "
+ "same name as already registered interface\n",
+ table->name);
+ } else {
+ if (!GUID_equal(&table->syntax_id.uuid,
+ &l->table->syntax_id.uuid)) {
+ continue;
+ }
+ DBG_ERR("Attempt to register interface %s which has the "
+ "same UUID as already registered interface %s\n",
+ table->name, l->table->name);
+ }
+ return NT_STATUS_OBJECT_NAME_COLLISION;
+ }
+
+ /*
+ * This is a singleton instance guarenteed
+ * by the above check to be only added once
+ * into the list so we can allocate off the NULL
+ * context. We never want this to be freed
+ * until process shutdown. If needed we could
+ * add a deregister function that walks and
+ * frees the list.
+ */
+
+ l = talloc(NULL, struct ndr_interface_list);
+ l->table = table;
+
+ DLIST_ADD(ndr_interfaces, l);
+
+ return NT_STATUS_OK;
+}
+
+/*
+ find the pipe name for a local IDL interface
+*/
+const char *ndr_interface_name(const struct GUID *uuid, uint32_t if_version)
+{
+ const struct ndr_interface_list *l;
+ for (l=ndr_table_list();l;l=l->next) {
+ if (GUID_equal(&l->table->syntax_id.uuid, uuid) &&
+ l->table->syntax_id.if_version == if_version) {
+ return l->table->name;
+ }
+ }
+ return "UNKNOWN";
+}
+
+/*
+ find the number of calls defined by local IDL
+*/
+int ndr_interface_num_calls(const struct GUID *uuid, uint32_t if_version)
+{
+ const struct ndr_interface_list *l;
+ for (l=ndr_table_list();l;l=l->next){
+ if (GUID_equal(&l->table->syntax_id.uuid, uuid) &&
+ l->table->syntax_id.if_version == if_version) {
+ return l->table->num_calls;
+ }
+ }
+ return -1;
+}
+
+
+/*
+ find a dcerpc interface by name
+*/
+const struct ndr_interface_table *ndr_table_by_name(const char *name)
+{
+ const struct ndr_interface_list *l;
+ for (l=ndr_table_list();l;l=l->next) {
+ if (strcasecmp(l->table->name, name) == 0) {
+ return l->table;
+ }
+ }
+ return NULL;
+}
+
+/*
+ find a dcerpc interface by syntax
+*/
+const struct ndr_interface_table *ndr_table_by_syntax(const struct ndr_syntax_id *syntax)
+{
+ const struct ndr_interface_list *l;
+ if (GUID_all_zero(&syntax->uuid)) {
+ /* These are not unique */
+ return NULL;
+ }
+ for (l=ndr_table_list();l;l=l->next) {
+ if (ndr_syntax_id_equal(&l->table->syntax_id, syntax)) {
+ return l->table;
+ }
+ }
+ return NULL;
+}
+
+/*
+ find a dcerpc interface by uuid
+*/
+const struct ndr_interface_table *ndr_table_by_uuid(const struct GUID *uuid)
+{
+ const struct ndr_interface_list *l;
+ if (GUID_all_zero(uuid)) {
+ /* These are not unique */
+ return NULL;
+ }
+ for (l=ndr_table_list();l;l=l->next) {
+ if (GUID_equal(&l->table->syntax_id.uuid, uuid)) {
+ return l->table;
+ }
+ }
+ return NULL;
+}
+
+/*
+ return the list of registered dcerpc_pipes
+*/
+const struct ndr_interface_list *ndr_table_list(void)
+{
+ ndr_table_init();
+ return ndr_interfaces;
+}
+
+
+NTSTATUS ndr_table_init(void)
+{
+ static bool initialized = false;
+
+ if (initialized) return NT_STATUS_OK;
+ initialized = true;
+
+ ndr_table_register_builtin_tables();
+
+ return NT_STATUS_OK;
+}