1 files changed, 110 insertions, 0 deletions
diff --git a/source3/lib/smbd_shim.c b/source3/lib/smbd_shim.c
new file mode 100644
index 00000000000..72ae366ec36
--- /dev/null
+++ b/source3/lib/smbd_shim.c
@@ -0,0 +1,110 @@
+/*
+   Unix SMB/CIFS implementation.
+   RPC pipe client
+
+   Copyright (C) Gerald (Jerry) Carter          2004.
+   Copyright (C) Andrew Bartlett                2011.
+
+   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/>.
+*/
+
+/* Shim functions required due to the horrible dependency mess
+   in Samba. */
+
+#include "includes.h"
+#include "smbd_shim.h"
+#include "smbd/proto.h"
+
+static struct smbd_shim shim;
+
+void set_smbd_shim(const struct smbd_shim *shim_functions)
+{
+	shim = *shim_functions;
+}
+
+void cancel_pending_lock_requests_by_fid(files_struct *fsp,
+			struct byte_range_lock *br_lck,
+			enum file_close_type close_type)
+{
+	if (shim.cancel_pending_lock_requests_by_fid) {
+
+		shim.cancel_pending_lock_requests_by_fid(fsp, br_lck, close_type);
+	}
+}
+
+void send_stat_cache_delete_message(struct messaging_context *msg_ctx,
+				    const char *name)
+{
+	if (shim.send_stat_cache_delete_message) {
+		shim.send_stat_cache_delete_message(msg_ctx, name);
+	}
+}
+
+NTSTATUS can_delete_directory(struct connection_struct *conn,
+				const char *dirname)
+{
+	if (shim.can_delete_directory) {
+		return shim.can_delete_directory(conn, dirname);
+	}
+	return NT_STATUS_OK;
+}
+
+bool change_to_root_user(void)
+{
+	if (shim.change_to_root_user) {
+		return shim.change_to_root_user();
+	}
+	return false;
+}
+
+/**
+ * The following two functions need to be called from inside the low-level BRL
+ * code for oplocks correctness in smbd.  Since other utility binaries also
+ * link in some of the brl code directly, these dummy functions are necessary
+ * to avoid needing to link in the oplocks code and its dependencies to all of
+ * the utility binaries.
+ */
+void contend_level2_oplocks_begin(files_struct *fsp,
+				  enum level2_contention_type type)
+{
+	if (shim.contend_level2_oplocks_begin) {
+		shim.contend_level2_oplocks_begin(fsp, type);
+	}
+	return;
+}
+
+void contend_level2_oplocks_end(files_struct *fsp,
+				enum level2_contention_type type)
+{
+	if (shim.contend_level2_oplocks_end) {
+		shim.contend_level2_oplocks_end(fsp, type);
+	}
+	return;
+}
+
+void become_root(void)
+{
+	if (shim.become_root) {
+		shim.become_root();
+	}
+        return;
+}
+
+void unbecome_root(void)
+{
+	if (shim.unbecome_root) {
+		shim.unbecome_root();
+	}
+	return;
+}