s3: locking: Move two leases functions into a new file.

map_oplock_to_lease_type(), fsp_lease_type().

BUG: https://bugzilla.samba.org/show_bug.cgi?id=12628

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
(back ported from commit 125c78ad0b8f9caaef1ba2f1aeb5ec593375fccd)

6 files changed, 65 insertions, 32 deletions

diff --git a/source3/locking/leases_util.c b/source3/locking/leases_util.c
new file mode 100644
index 00000000000..cb307c88d36
--- /dev/null
+++ b/source3/locking/leases_util.c
@@ -0,0 +1,55 @@
+/*
+   Unix SMB/CIFS implementation.
+   Lease utility functions
+
+   Copyright (C) Jeremy Allison 2017.
+   Copyright (C) Stefan (metze) Metzmacher 2017.
+
+   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/>.
+*/
+
+#define DBGC_CLASS DBGC_LOCKING
+#include "includes.h"
+#include "../librpc/gen_ndr/open_files.h"
+#include "locking/proto.h"
+
+uint32_t map_oplock_to_lease_type(uint16_t op_type)
+{
+	uint32_t ret;
+
+	switch(op_type) {
+	case BATCH_OPLOCK:
+	case BATCH_OPLOCK|EXCLUSIVE_OPLOCK:
+		ret = SMB2_LEASE_READ|SMB2_LEASE_WRITE|SMB2_LEASE_HANDLE;
+		break;
+	case EXCLUSIVE_OPLOCK:
+		ret = SMB2_LEASE_READ|SMB2_LEASE_WRITE;
+		break;
+	case LEVEL_II_OPLOCK:
+		ret = SMB2_LEASE_READ;
+		break;
+	default:
+		ret = SMB2_LEASE_NONE;
+		break;
+	}
+	return ret;
+}
+
+uint32_t fsp_lease_type(struct files_struct *fsp)
+{
+	if (fsp->oplock_type == LEASE_OPLOCK) {
+		return fsp->lease->lease.lease_state;
+	}
+	return map_oplock_to_lease_type(fsp->oplock_type);
+}
diff --git a/source3/locking/proto.h b/source3/locking/proto.h
index 8ff1c7cd632..4fc8da8ad24 100644
--- a/source3/locking/proto.h
+++ b/source3/locking/proto.h
@@ -247,4 +247,8 @@ bool release_posix_lock_posix_flavour(files_struct *fsp,
 				const struct lock_struct *plocks,
 				int num_locks);
 
+/* The following definitions come from locking/leases_util.c */
+uint32_t map_oplock_to_lease_type(uint16_t op_type);
+uint32_t fsp_lease_type(struct files_struct *fsp);
+
 #endif /* _LOCKING_PROTO_H_ */
diff --git a/source3/smbd/files.c b/source3/smbd/files.c
index 8fefddddfa0..ada8bfc0fac 100644
--- a/source3/smbd/files.c
+++ b/source3/smbd/files.c
@@ -773,11 +773,3 @@ const struct GUID *fsp_client_guid(const files_struct *fsp)
 {
 	return &fsp->conn->sconn->client->connections->smb2.client.guid;
 }
-
-uint32_t fsp_lease_type(struct files_struct *fsp)
-{
-	if (fsp->oplock_type == LEASE_OPLOCK) {
-		return fsp->lease->lease.lease_state;
-	}
-	return map_oplock_to_lease_type(fsp->oplock_type);
-}
diff --git a/source3/smbd/oplock.c b/source3/smbd/oplock.c
index 56b4499bff4..f94d9cc7888 100644
--- a/source3/smbd/oplock.c
+++ b/source3/smbd/oplock.c
@@ -149,28 +149,6 @@ static void downgrade_file_oplock(files_struct *fsp)
 	TALLOC_FREE(fsp->oplock_timeout);
 }
 
-uint32_t map_oplock_to_lease_type(uint16_t op_type)
-{
-	uint32_t ret;
-
-	switch(op_type) {
-	case BATCH_OPLOCK:
-	case BATCH_OPLOCK|EXCLUSIVE_OPLOCK:
-		ret = SMB2_LEASE_READ|SMB2_LEASE_WRITE|SMB2_LEASE_HANDLE;
-		break;
-	case EXCLUSIVE_OPLOCK:
-		ret = SMB2_LEASE_READ|SMB2_LEASE_WRITE;
-		break;
-	case LEVEL_II_OPLOCK:
-		ret = SMB2_LEASE_READ;
-		break;
-	default:
-		ret = SMB2_LEASE_NONE;
-		break;
-	}
-	return ret;
-}
-
 uint32_t get_lease_type(const struct share_mode_data *d,
 			const struct share_mode_entry *e)
 {
diff --git a/source3/smbd/proto.h b/source3/smbd/proto.h
index 77a3b21d02d..ebccdb94d02 100644
--- a/source3/smbd/proto.h
+++ b/source3/smbd/proto.h
@@ -395,7 +395,6 @@ NTSTATUS file_name_hash(connection_struct *conn,
 NTSTATUS fsp_set_smb_fname(struct files_struct *fsp,
 			   const struct smb_filename *smb_fname_in);
 const struct GUID *fsp_client_guid(const files_struct *fsp);
-uint32_t fsp_lease_type(struct files_struct *fsp);
 
 /* The following definitions come from smbd/ipc.c  */
 
@@ -678,7 +677,6 @@ NTSTATUS get_relative_fid_filename(connection_struct *conn,
 
 /* The following definitions come from smbd/oplock.c  */
 
-uint32_t map_oplock_to_lease_type(uint16_t op_type);
 uint32_t get_lease_type(const struct share_mode_data *d,
 			const struct share_mode_entry *e);
 bool update_num_read_oplocks(files_struct *fsp, struct share_mode_lock *lck);
diff --git a/source3/wscript_build b/source3/wscript_build
index dabe262be9d..2bd684e7d7f 100755
--- a/source3/wscript_build
+++ b/source3/wscript_build
@@ -625,6 +625,7 @@ bld.SAMBA3_LIBRARY('smbd_base',
                    RPC_SERVICE
                    NDR_SMBXSRV
                    LEASES_DB
+		   LEASES_UTIL
                    LIBASYS
                    sysquotas
                    NDR_SMB_ACL
@@ -646,6 +647,7 @@ bld.SAMBA3_SUBSYSTEM('LOCKING',
                     tdb
                     talloc
                     LEASES_DB
+		    LEASES_UTIL
                     NDR_OPEN_FILES
                     FNAME_UTIL''')
 
@@ -653,6 +655,10 @@ bld.SAMBA3_SUBSYSTEM('LEASES_DB',
                     source='locking/leases_db.c',
                     deps='NDR_LEASES_DB')
 
+bld.SAMBA3_SUBSYSTEM('LEASES_UTIL',
+                    source='locking/leases_util.c',
+                    deps='NDR_OPEN_FILES')
+
 if bld.CONFIG_GET("WITH_PROFILE"):
     bld.SAMBA3_SUBSYSTEM('PROFILE',
                          source='profile/profile.c',