Adding upstream version 2:4.20.0+dfsg.upstream/2%4.20.0+dfsg

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 714 insertions, 0 deletions

diff --git a/source3/include/smb.h b/source3/include/smb.h
new file mode 100644
index 0000000..81d761d
--- /dev/null
+++ b/source3/include/smb.h
@@ -0,0 +1,714 @@
+/* 
+   Unix SMB/CIFS implementation.
+   SMB parameters and setup, plus a whole lot more.
+   
+   Copyright (C) Andrew Tridgell              1992-2000
+   Copyright (C) John H Terpstra              1996-2002
+   Copyright (C) Luke Kenneth Casson Leighton 1996-2000
+   Copyright (C) Paul Ashton                  1998-2000
+   Copyright (C) Simo Sorce                   2001-2002
+   Copyright (C) Martin Pool		      2002
+   
+   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/>.
+*/
+
+#ifndef _SMB_H
+#define _SMB_H
+
+#include "libcli/smb/smb_common.h"
+#include "libds/common/roles.h"
+
+#define LARGE_WRITEX_HDR_SIZE 65
+#define LARGE_WRITEX_BUFFER_SIZE (128*1024)
+
+#define NMB_PORT 137
+#define DGRAM_PORT 138
+#define NBT_SMB_PORT  139   /* Port for SMB over NBT transport (IETF STD#19). */
+#define TCP_SMB_PORT  445   /* Port for SMB over naked TCP transport.         */
+#define SMB_PORTS "445 139"
+
+#define Undefined (-1)
+#define False false
+#define True true
+#define Auto (2)
+#define Required (3)
+
+#define SIZEOFWORD 2
+
+/* how long to wait for secondary SMB packets (milli-seconds) */
+#define SMB_SECONDARY_WAIT (60*1000)
+
+#define DIR_STRUCT_SIZE 43
+
+/* deny modes */
+#define DENY_DOS 0
+#define DENY_ALL 1
+#define DENY_WRITE 2
+#define DENY_READ 3
+#define DENY_NONE 4
+#define DENY_FCB 7
+
+/* open modes */
+#define DOS_OPEN_RDONLY 0
+#define DOS_OPEN_WRONLY 1
+#define DOS_OPEN_RDWR 2
+#define DOS_OPEN_EXEC 3
+#define DOS_OPEN_FCB 0xF
+
+/* define shifts and masks for share and open modes. */
+#define OPENX_MODE_MASK 0xF
+#define DENY_MODE_SHIFT 4
+#define DENY_MODE_MASK 0x7
+#define GET_OPENX_MODE(x) ((x) & OPENX_MODE_MASK)
+#define SET_OPENX_MODE(x) ((x) & OPENX_MODE_MASK)
+#define GET_DENY_MODE(x) (((x)>>DENY_MODE_SHIFT) & DENY_MODE_MASK)
+#define SET_DENY_MODE(x) (((x) & DENY_MODE_MASK) <<DENY_MODE_SHIFT)
+
+/* Sync on open file (not sure if used anymore... ?) */
+#define FILE_SYNC_OPENMODE (1<<14)
+#define GET_FILE_SYNC_OPENMODE(x) (((x) & FILE_SYNC_OPENMODE) ? True : False)
+
+/* open disposition values */
+#define OPENX_FILE_EXISTS_FAIL 0
+#define OPENX_FILE_EXISTS_OPEN 1
+#define OPENX_FILE_EXISTS_TRUNCATE 2
+
+/* mask for open disposition. */
+#define OPENX_FILE_OPEN_MASK 0x3
+
+#define GET_FILE_OPENX_DISPOSITION(x) ((x) & FILE_OPEN_MASK)
+#define SET_FILE_OPENX_DISPOSITION(x) ((x) & FILE_OPEN_MASK)
+
+/* The above can be OR'ed with... */
+#define OPENX_FILE_CREATE_IF_NOT_EXIST 0x10
+#define OPENX_FILE_FAIL_IF_NOT_EXIST 0
+
+/* pipe string names */
+
+#ifndef MAXSUBAUTHS
+#define MAXSUBAUTHS 15 /* max sub authorities in a SID */
+#endif
+
+#define SID_MAX_SIZE ((size_t)(8+(MAXSUBAUTHS*4)))
+
+#include "librpc/gen_ndr/security.h"
+
+struct share_mode_entry;
+struct uuid;
+struct named_mutex;
+struct wb_context;
+struct rpc_cli_smbd_conn;
+
+/* the basic packet size, assuming no words or bytes */
+#define smb_size 39
+
+struct notify_change {
+	uint32_t action;
+	const char *name;
+};
+
+struct notify_mid_map;
+struct notify_db_entry;
+struct notify_event;
+struct notify_change_request;
+struct sys_notify_context {
+	struct tevent_context *ev;
+	void *private_data; 	/* For use by the system backend */
+};
+
+#include "ntquotas.h"
+#include "sysquotas.h"
+
+/* Include VFS stuff */
+
+#include "smb_acls.h"
+#include "lib/readdir_attr.h"
+#include "vfs.h"
+
+struct current_user {
+	struct connection_struct *conn;
+	uint64_t vuid; /* SMB2 compat */
+	struct security_unix_token ut;
+	struct security_token *nt_user_token;
+};
+
+/* Defines for the sent_oplock_break field above. */
+#define NO_BREAK_SENT 0
+#define BREAK_TO_NONE_SENT 1
+#define LEVEL_II_BREAK_SENT 2
+
+typedef struct {
+	fstring smb_name; /* user name from the client */
+	fstring unix_name; /* unix user name of a validated user */
+	fstring domain; /* domain that the client specified */
+} userdom_struct;
+
+/* used for network interfaces */
+struct interface {
+	struct interface *next, *prev;
+	char *name;
+	int flags;
+	struct sockaddr_storage ip;
+	struct sockaddr_storage netmask;
+	struct sockaddr_storage bcast;
+	uint32_t if_index;
+	uint64_t linkspeed;
+	uint32_t capability;
+};
+
+#define SHARE_MODE_FLAG_POSIX_OPEN	0x1
+
+#include "librpc/gen_ndr/server_id.h"
+
+/* oplock break message definition - linearization of share_mode_entry.
+
+Offset  Data			length.
+0	struct server_id pid	4
+4	uint16_t op_mid		8
+12	uint16_t op_type	2
+14	uint32_t access_mask	4
+18	uint32_t share_access	4
+22	uint32_t private_options	4
+26	uint32_t time sec		4
+30	uint32_t time usec	4
+34	uint64_t dev		8 bytes
+42	uint64_t inode		8 bytes
+50	uint64_t extid		8 bytes
+58	unsigned long file_id	4 bytes
+62	uint32_t uid		4 bytes
+66	uint16_t flags		2 bytes
+68	uint32_t name_hash	4 bytes
+72
+
+*/
+
+#define OP_BREAK_MSG_PID_OFFSET 0
+#define OP_BREAK_MSG_MID_OFFSET 4
+#define OP_BREAK_MSG_OP_TYPE_OFFSET 12
+#define OP_BREAK_MSG_ACCESS_MASK_OFFSET 14
+#define OP_BREAK_MSG_SHARE_ACCESS_OFFSET 18
+#define OP_BREAK_MSG_PRIV_OFFSET 22
+#define OP_BREAK_MSG_TIME_SEC_OFFSET 26
+#define OP_BREAK_MSG_TIME_USEC_OFFSET 30
+#define OP_BREAK_MSG_DEV_OFFSET 34
+#define OP_BREAK_MSG_INO_OFFSET 42
+#define OP_BREAK_MSG_EXTID_OFFSET 50
+#define OP_BREAK_MSG_FILE_ID_OFFSET 58
+#define OP_BREAK_MSG_UID_OFFSET 62
+#define OP_BREAK_MSG_FLAGS_OFFSET 66
+#define OP_BREAK_MSG_NAME_HASH_OFFSET 68
+
+#define OP_BREAK_MSG_VNN_OFFSET 72
+#define MSG_SMB_SHARE_MODE_ENTRY_SIZE 76
+
+#define NT_HASH_LEN 16
+#define LM_HASH_LEN 16
+
+/* offsets into message for common items */
+#define smb_com		(NBT_HDR_SIZE+HDR_COM)
+#define smb_rcls	(NBT_HDR_SIZE+HDR_RCLS)
+#define smb_reh		(NBT_HDR_SIZE+HDR_REH)
+#define smb_err		(NBT_HDR_SIZE+HDR_ERR)
+#define smb_flg		(NBT_HDR_SIZE+HDR_FLG)
+#define smb_flg2	(NBT_HDR_SIZE+HDR_FLG2)
+#define smb_pidhigh	(NBT_HDR_SIZE+HDR_PIDHIGH)
+#define smb_ss_field	(NBT_HDR_SIZE+HDR_SS_FIELD)
+#define smb_tid		(NBT_HDR_SIZE+HDR_TID)
+#define smb_pid		(NBT_HDR_SIZE+HDR_PID)
+#define smb_uid		(NBT_HDR_SIZE+HDR_UID)
+#define smb_mid		(NBT_HDR_SIZE+HDR_MID)
+#define smb_wct		(NBT_HDR_SIZE+HDR_WCT)
+#define smb_vwv		(NBT_HDR_SIZE+HDR_VWV)
+#define smb_vwv0	(smb_vwv+( 0*2))
+#define smb_vwv1	(smb_vwv+( 1*2))
+#define smb_vwv2	(smb_vwv+( 2*2))
+#define smb_vwv3	(smb_vwv+( 3*2))
+#define smb_vwv4	(smb_vwv+( 4*2))
+#define smb_vwv5	(smb_vwv+( 5*2))
+#define smb_vwv6	(smb_vwv+( 6*2))
+#define smb_vwv7	(smb_vwv+( 7*2))
+#define smb_vwv8	(smb_vwv+( 8*2))
+#define smb_vwv9	(smb_vwv+( 9*2))
+#define smb_vwv10	(smb_vwv+(10*2))
+#define smb_vwv11	(smb_vwv+(11*2))
+#define smb_vwv12	(smb_vwv+(12*2))
+#define smb_vwv13	(smb_vwv+(13*2))
+#define smb_vwv14	(smb_vwv+(14*2))
+#define smb_vwv15	(smb_vwv+(15*2))
+#define smb_vwv16	(smb_vwv+(16*2))
+#define smb_vwv17	(smb_vwv+(17*2))
+
+/* These are the NT transact_get_user_quota sub commands */
+#define TRANSACT_GET_USER_QUOTA_LIST_CONTINUE	0x0000
+#define TRANSACT_GET_USER_QUOTA_LIST_START	0x0100
+#define TRANSACT_GET_USER_QUOTA_FOR_SID		0x0101
+
+/* Relevant IOCTL codes */
+#define IOCTL_QUERY_JOB_INFO      0x530060
+
+/* these are the trans2 sub fields for primary requests */
+#define smb_tpscnt smb_vwv0
+#define smb_tdscnt smb_vwv1
+#define smb_mprcnt smb_vwv2
+#define smb_mdrcnt smb_vwv3
+#define smb_msrcnt smb_vwv4
+#define smb_flags smb_vwv5
+#define smb_timeout smb_vwv6
+#define smb_pscnt smb_vwv9
+#define smb_psoff smb_vwv10
+#define smb_dscnt smb_vwv11
+#define smb_dsoff smb_vwv12
+#define smb_suwcnt smb_vwv13
+#define smb_setup smb_vwv14
+#define smb_setup0 smb_setup
+#define smb_setup1 (smb_setup+2)
+#define smb_setup2 (smb_setup+4)
+
+/* these are for the secondary requests */
+#define smb_spscnt smb_vwv2
+#define smb_spsoff smb_vwv3
+#define smb_spsdisp smb_vwv4
+#define smb_sdscnt smb_vwv5
+#define smb_sdsoff smb_vwv6
+#define smb_sdsdisp smb_vwv7
+#define smb_sfid smb_vwv8
+
+/* and these for responses */
+#define smb_tprcnt smb_vwv0
+#define smb_tdrcnt smb_vwv1
+#define smb_prcnt smb_vwv3
+#define smb_proff smb_vwv4
+#define smb_prdisp smb_vwv5
+#define smb_drcnt smb_vwv6
+#define smb_droff smb_vwv7
+#define smb_drdisp smb_vwv8
+
+/* these are for the NT trans primary request. */
+#define smb_nt_MaxSetupCount smb_vwv0
+#define smb_nt_Flags (smb_vwv0 + 1)
+#define smb_nt_TotalParameterCount (smb_vwv0 + 3)
+#define smb_nt_TotalDataCount (smb_vwv0 + 7)
+#define smb_nt_MaxParameterCount (smb_vwv0 + 11)
+#define smb_nt_MaxDataCount (smb_vwv0 + 15)
+#define smb_nt_ParameterCount (smb_vwv0 + 19)
+#define smb_nt_ParameterOffset (smb_vwv0 + 23)
+#define smb_nt_DataCount (smb_vwv0 + 27)
+#define smb_nt_DataOffset (smb_vwv0 + 31)
+#define smb_nt_SetupCount (smb_vwv0 + 35)
+#define smb_nt_Function (smb_vwv0 + 36)
+#define smb_nt_SetupStart (smb_vwv0 + 38)
+
+/* these are for the NT trans secondary request. */
+#define smb_nts_TotalParameterCount (smb_vwv0 + 3)
+#define smb_nts_TotalDataCount (smb_vwv0 + 7)
+#define smb_nts_ParameterCount (smb_vwv0 + 11)
+#define smb_nts_ParameterOffset (smb_vwv0 + 15)
+#define smb_nts_ParameterDisplacement (smb_vwv0 + 19)
+#define smb_nts_DataCount (smb_vwv0 + 23)
+#define smb_nts_DataOffset (smb_vwv0 + 27)
+#define smb_nts_DataDisplacement (smb_vwv0 + 31)
+
+/* these are for the NT trans reply. */
+#define smb_ntr_TotalParameterCount (smb_vwv0 + 3)
+#define smb_ntr_TotalDataCount (smb_vwv0 + 7)
+#define smb_ntr_ParameterCount (smb_vwv0 + 11)
+#define smb_ntr_ParameterOffset (smb_vwv0 + 15)
+#define smb_ntr_ParameterDisplacement (smb_vwv0 + 19)
+#define smb_ntr_DataCount (smb_vwv0 + 23)
+#define smb_ntr_DataOffset (smb_vwv0 + 27)
+#define smb_ntr_DataDisplacement (smb_vwv0 + 31)
+
+/* these are for the NT create_and_X */
+#define smb_ntcreate_NameLength (smb_vwv0 + 5)
+#define smb_ntcreate_Flags (smb_vwv0 + 7)
+#define smb_ntcreate_RootDirectoryFid (smb_vwv0 + 11)
+#define smb_ntcreate_DesiredAccess (smb_vwv0 + 15)
+#define smb_ntcreate_AllocationSize (smb_vwv0 + 19)
+#define smb_ntcreate_FileAttributes (smb_vwv0 + 27)
+#define smb_ntcreate_ShareAccess (smb_vwv0 + 31)
+#define smb_ntcreate_CreateDisposition (smb_vwv0 + 35)
+#define smb_ntcreate_CreateOptions (smb_vwv0 + 39)
+#define smb_ntcreate_ImpersonationLevel (smb_vwv0 + 43)
+#define smb_ntcreate_SecurityFlags (smb_vwv0 + 47)
+
+/* Named pipe write mode flags. Used in writeX calls. */
+#define PIPE_RAW_MODE 0x4
+#define PIPE_START_MESSAGE 0x8
+
+/* the desired access to use when opening a pipe */
+#define DESIRED_ACCESS_PIPE 0x2019f
+ 
+/* Mapping of access rights to UNIX perms. */
+#define UNIX_ACCESS_RWX		FILE_GENERIC_ALL
+#define UNIX_ACCESS_R 		FILE_GENERIC_READ
+#define UNIX_ACCESS_W		FILE_GENERIC_WRITE
+#define UNIX_ACCESS_X		FILE_GENERIC_EXECUTE
+
+/* Mapping of access rights to UNIX perms. for a UNIX directory. */
+#define UNIX_DIRECTORY_ACCESS_RWX		FILE_GENERIC_ALL
+#define UNIX_DIRECTORY_ACCESS_R 		FILE_GENERIC_READ
+#define UNIX_DIRECTORY_ACCESS_W			(FILE_GENERIC_WRITE|FILE_DELETE_CHILD)
+#define UNIX_DIRECTORY_ACCESS_X			FILE_GENERIC_EXECUTE
+
+#if 0
+/*
+ * This is the old mapping we used to use. To get W2KSP2 profiles
+ * working we need to map to the canonical file perms.
+ */
+#define UNIX_ACCESS_RWX (UNIX_ACCESS_R|UNIX_ACCESS_W|UNIX_ACCESS_X)
+#define UNIX_ACCESS_R (READ_CONTROL_ACCESS|SYNCHRONIZE_ACCESS|\
+			FILE_READ_ATTRIBUTES|FILE_READ_EA|FILE_READ_DATA)
+#define UNIX_ACCESS_W (READ_CONTROL_ACCESS|SYNCHRONIZE_ACCESS|\
+			FILE_WRITE_ATTRIBUTES|FILE_WRITE_EA|\
+			FILE_APPEND_DATA|FILE_WRITE_DATA)
+#define UNIX_ACCESS_X (READ_CONTROL_ACCESS|SYNCHRONIZE_ACCESS|\
+			FILE_EXECUTE|FILE_READ_ATTRIBUTES)
+#endif
+
+#define UNIX_ACCESS_NONE (WRITE_OWNER_ACCESS)
+
+/* Flags field. */
+#define REQUEST_OPLOCK 2
+#define REQUEST_BATCH_OPLOCK 4
+#define OPEN_DIRECTORY 8
+#define EXTENDED_RESPONSE_REQUIRED 0x10
+
+#define NTCREATEX_OPTIONS_MUST_IGNORE_MASK      (0x008F0480)
+
+#define NTCREATEX_OPTIONS_INVALID_PARAM_MASK    (0xFF100030)
+
+/*
+ * Private flags used by the ntcreatex processing
+ * code. Passed in the private_flags argument.
+ */
+#define NTCREATEX_FLAG_DENY_DOS			0x0001
+#define NTCREATEX_FLAG_DENY_FCB			0x0002
+
+/* Private flag for streams support */
+#define NTCREATEX_FLAG_STREAM_BASEOPEN		0x0010
+
+/* Flag for NT transact rename call. */
+#define RENAME_REPLACE_IF_EXISTS 1
+
+/* flags for SMBntrename call (from Samba4) */
+#define RENAME_FLAG_MOVE_CLUSTER_INFORMATION 0x102 /* ???? */
+#define RENAME_FLAG_HARD_LINK                0x103
+#define RENAME_FLAG_RENAME                   0x104
+#define RENAME_FLAG_COPY                     0x105
+
+/* ChangeNotify flags. */
+#define FILE_NOTIFY_CHANGE_FILE_NAME   0x001
+#define FILE_NOTIFY_CHANGE_DIR_NAME    0x002
+#define FILE_NOTIFY_CHANGE_ATTRIBUTES  0x004
+#define FILE_NOTIFY_CHANGE_SIZE        0x008
+#define FILE_NOTIFY_CHANGE_LAST_WRITE  0x010
+#define FILE_NOTIFY_CHANGE_LAST_ACCESS 0x020
+#define FILE_NOTIFY_CHANGE_CREATION    0x040
+#define FILE_NOTIFY_CHANGE_EA          0x080
+#define FILE_NOTIFY_CHANGE_SECURITY    0x100
+#define FILE_NOTIFY_CHANGE_STREAM_NAME	0x00000200
+#define FILE_NOTIFY_CHANGE_STREAM_SIZE	0x00000400
+#define FILE_NOTIFY_CHANGE_STREAM_WRITE	0x00000800
+
+#define FILE_NOTIFY_CHANGE_NAME \
+	(FILE_NOTIFY_CHANGE_FILE_NAME|FILE_NOTIFY_CHANGE_DIR_NAME)
+
+#define FILE_NOTIFY_CHANGE_ALL \
+	(FILE_NOTIFY_CHANGE_FILE_NAME   | FILE_NOTIFY_CHANGE_DIR_NAME | \
+	 FILE_NOTIFY_CHANGE_ATTRIBUTES  | FILE_NOTIFY_CHANGE_SIZE | \
+	 FILE_NOTIFY_CHANGE_LAST_WRITE  | FILE_NOTIFY_CHANGE_LAST_ACCESS | \
+	 FILE_NOTIFY_CHANGE_CREATION    | FILE_NOTIFY_CHANGE_EA | \
+	 FILE_NOTIFY_CHANGE_SECURITY	| FILE_NOTIFY_CHANGE_STREAM_NAME | \
+	 FILE_NOTIFY_CHANGE_STREAM_SIZE | FILE_NOTIFY_CHANGE_STREAM_WRITE)
+
+/* change notify action results */
+#define NOTIFY_ACTION_ADDED 1
+#define NOTIFY_ACTION_REMOVED 2
+#define NOTIFY_ACTION_MODIFIED 3
+#define NOTIFY_ACTION_OLD_NAME 4
+#define NOTIFY_ACTION_NEW_NAME 5
+#define NOTIFY_ACTION_ADDED_STREAM 6
+#define NOTIFY_ACTION_REMOVED_STREAM 7
+#define NOTIFY_ACTION_MODIFIED_STREAM 8
+
+/* where to find the base of the SMB packet proper */
+#define smb_base(buf) (((const char *)(buf))+4)
+
+/* we don't allow server strings to be longer than 48 characters as
+   otherwise NT will not honour the announce packets */
+#define MAX_SERVER_STRING_LENGTH 48
+
+#ifdef NOSTRDUP
+char *strdup(char *s);
+#endif
+
+#ifndef SELECT_CAST
+#define SELECT_CAST
+#endif
+
+/* This was set by JHT in liaison with Jeremy Allison early 1997
+ * History:
+ * Version 4.0 - never made public
+ * Version 4.10 - New to 1.9.16p2, lost in space 1.9.16p3 to 1.9.16p9
+ *              - Reappeared in 1.9.16p11 with fixed smbd services
+ * Version 4.20 - To indicate that nmbd and browsing now works better
+ * Version 4.50 - Set at release of samba-2.2.0 by JHT
+ *
+ *  Note: In the presence of NT4.X do not set above 4.9
+ *        Setting this above 4.9 can have undesired side-effects.
+ *        This may change again in Samba-3.0 after further testing. JHT
+ *
+ * Version 6.1 - For older smb server versions, MMC doesn't let offline
+ *               settings to be configured during share creation. Changing
+ *               it to 6.1 to mimic Win2K8R2.
+ *
+ */
+ 
+#define SAMBA_MAJOR_NBT_ANNOUNCE_VERSION 0x06
+#define SAMBA_MINOR_NBT_ANNOUNCE_VERSION 0x01
+
+/* Browser Election Values */
+#define BROWSER_ELECTION_VERSION	0x010f
+#define BROWSER_CONSTANT	0xaa55
+
+/* File Status Flags. See:
+
+http://msdn.microsoft.com/en-us/library/cc246334(PROT.13).aspx
+*/
+
+#define NO_EAS			0x1
+#define NO_SUBSTREAMS		0x2
+#define NO_REPARSETAG		0x4
+
+/* Remote architectures we know about, keep in sync with remote_arch_strings */
+enum remote_arch_types {RA_UNKNOWN, RA_WFWG, RA_OS2, RA_WIN95, RA_WINNT,
+			RA_WIN2K, RA_WINXP, RA_WIN2K3, RA_VISTA,
+			RA_SAMBA, RA_CIFSFS, RA_WINXP64, RA_OSX};
+
+/*
+ * Global value meaning that the smb_uid field should be
+ * ignored (in share level security and protocol level == CORE)
+ */
+
+#define UID_FIELD_INVALID 0
+#define VUID_OFFSET 100 /* Amount to bias returned vuid numbers */
+
+#define TID_FIELD_INVALID 0
+
+#define FNUM_FIELD_INVALID 0
+
+/*
+ * Map the Core and Extended Oplock request bits down
+ * to common bits (EXCLUSIVE_OPLOCK & BATCH_OPLOCK).
+ */
+
+/*
+ * Core protocol.
+ */
+#define CORE_OPLOCK_REQUEST(inbuf) \
+    ((CVAL(inbuf,smb_flg)&(FLAG_REQUEST_OPLOCK|FLAG_REQUEST_BATCH_OPLOCK))>>5)
+
+/*
+ * Extended protocol.
+ */
+#define EXTENDED_OPLOCK_REQUEST(inbuf) ((SVAL(inbuf,smb_vwv2)&((1<<1)|(1<<2)))>>1)
+
+/*
+ * Bits we test with.
+ * Note these must fit into 16-bits.
+ */
+
+#define NO_OPLOCK 			OPLOCK_NONE
+#define EXCLUSIVE_OPLOCK 		OPLOCK_EXCLUSIVE
+#define BATCH_OPLOCK 			OPLOCK_BATCH
+#define LEVEL_II_OPLOCK 		OPLOCK_LEVEL_II
+#define LEASE_OPLOCK			0x100
+
+/* The following are Samba-private. */
+#define INTERNAL_OPEN_ONLY 		0x8
+/* #define FAKE_LEVEL_II_OPLOCK 	0x10 */	  /* Not used anymore */
+				/* Client requested no_oplock, but we have to
+				 * inform potential level2 holders on
+				 * write. */
+/* #define DEFERRED_OPEN_ENTRY 		0x20 */   /* Not used anymore */
+/* #define UNUSED_SHARE_MODE_ENTRY 	0x40 */   /* Not used anymore */
+/* #define FORCE_OPLOCK_BREAK_TO_NONE 	0x80 */   /* Not used anymore */
+
+/* None of the following should ever appear in fsp->oplock_request. */
+#define SAMBA_PRIVATE_OPLOCK_MASK (INTERNAL_OPEN_ONLY)
+
+#define EXCLUSIVE_OPLOCK_TYPE(lck) ((lck) & ((unsigned int)EXCLUSIVE_OPLOCK|(unsigned int)BATCH_OPLOCK))
+#define BATCH_OPLOCK_TYPE(lck) ((lck) & (unsigned int)BATCH_OPLOCK)
+#define LEVEL_II_OPLOCK_TYPE(lck) ((lck) & (unsigned int)LEVEL_II_OPLOCK)
+
+/* kernel_oplock_message definition.
+
+struct kernel_oplock_message {
+	uint64_t dev;
+	uint64_t inode;
+	unit64_t extid;
+	unsigned long file_id;
+};
+
+Offset  Data                  length.
+0     uint64_t dev            8 bytes
+8     uint64_t inode          8 bytes
+16    uint64_t extid          8 bytes
+24    unsigned long file_id   4 bytes
+28
+
+*/
+#define MSG_SMB_KERNEL_BREAK_SIZE 28
+
+/*
+ * On the wire return values for oplock types.
+ */
+
+#define CORE_OPLOCK_GRANTED (1<<5)
+#define EXTENDED_OPLOCK_GRANTED (1<<15)
+
+#define NO_OPLOCK_RETURN 0
+#define EXCLUSIVE_OPLOCK_RETURN 1
+#define BATCH_OPLOCK_RETURN 2
+#define LEVEL_II_OPLOCK_RETURN 3
+
+/* Oplock levels */
+#define OPLOCKLEVEL_NONE 0
+#define OPLOCKLEVEL_II 1
+
+/*
+ * Capabilities abstracted for different systems.
+ */
+
+enum smbd_capability {
+    KERNEL_OPLOCK_CAPABILITY,
+    DMAPI_ACCESS_CAPABILITY,
+    LEASE_CAPABILITY,
+    DAC_OVERRIDE_CAPABILITY
+};
+
+struct kernel_oplocks_ops;
+struct kernel_oplocks {
+	const struct kernel_oplocks_ops *ops;
+	void *private_data;
+};
+
+enum level2_contention_type {
+	LEVEL2_CONTEND_ALLOC_SHRINK,
+	LEVEL2_CONTEND_ALLOC_GROW,
+	LEVEL2_CONTEND_SET_FILE_LEN,
+	LEVEL2_CONTEND_FILL_SPARSE,
+	LEVEL2_CONTEND_WRITE,
+	LEVEL2_CONTEND_WINDOWS_BRL,
+	LEVEL2_CONTEND_POSIX_BRL
+};
+
+/* if a kernel does support oplocks then a structure of the following
+   typee is used to describe how to interact with the kernel */
+struct kernel_oplocks_ops {
+	bool (*set_oplock)(struct kernel_oplocks *ctx,
+			   files_struct *fsp, int oplock_type);
+	void (*release_oplock)(struct kernel_oplocks *ctx,
+			       files_struct *fsp, int oplock_type);
+};
+
+#include "smb_macros.h"
+
+#define MAX_NETBIOSNAME_LEN 16
+/* DOS character, NetBIOS namestring. Type used on the wire. */
+typedef char nstring[MAX_NETBIOSNAME_LEN];
+/* Unix character, NetBIOS namestring. Type used to manipulate name in nmbd. */
+typedef char unstring[MAX_NETBIOSNAME_LEN*4];
+
+/* A netbios name structure. */
+struct nmb_name {
+	nstring      name;
+	char         scope[64];
+	unsigned int name_type;
+};
+
+/* A netbios node status array element. */
+struct node_status {
+	nstring name;
+	unsigned char type;
+	unsigned char flags;
+};
+
+/* The extra info from a NetBIOS node status query */
+struct node_status_extra {
+	unsigned char mac_addr[6];
+	/* There really is more here ... */ 
+};
+
+#define SAFE_NETBIOS_CHARS ". -_"
+
+#define PORT_NONE	0
+#ifndef LDAP_PORT
+#define LDAP_PORT	389
+#endif
+#define LDAP_GC_PORT    3268
+
+struct ea_struct {
+	uint8_t flags;
+	char *name;
+	DATA_BLOB value;
+};
+
+struct ea_list {
+	struct ea_list *next, *prev;
+	struct ea_struct ea;
+};
+
+/* EA names used internally in Samba. KEEP UP TO DATE with prohibited_ea_names in trans2.c !. */
+#define SAMBA_POSIX_INHERITANCE_EA_NAME "user.SAMBA_PAI"
+/* EA to use for DOS attributes */
+#define SAMBA_XATTR_DOS_ATTRIB "user.DOSATTRIB"
+/* Prefix for DosStreams in the vfs_streams_xattr module */
+#define SAMBA_XATTR_DOSSTREAM_PREFIX "user.DosStream."
+/* Prefix for xattrs storing streams. */
+#define SAMBA_XATTR_MARKER "user.SAMBA_STREAMS"
+
+/* usershare error codes. */
+enum usershare_err {
+		USERSHARE_OK=0,
+		USERSHARE_MALFORMED_FILE,
+		USERSHARE_BAD_VERSION,
+		USERSHARE_MALFORMED_PATH,
+		USERSHARE_MALFORMED_COMMENT_DEF,
+		USERSHARE_MALFORMED_ACL_DEF,
+		USERSHARE_ACL_ERR,
+		USERSHARE_PATH_NOT_ABSOLUTE,
+		USERSHARE_PATH_IS_DENIED,
+		USERSHARE_PATH_NOT_ALLOWED,
+		USERSHARE_PATH_NOT_DIRECTORY,
+		USERSHARE_POSIX_ERR,
+		USERSHARE_MALFORMED_SHARENAME_DEF,
+		USERSHARE_BAD_SHARENAME
+};
+
+/* Different reasons for closing a file. */
+enum file_close_type {NORMAL_CLOSE=0,SHUTDOWN_CLOSE,ERROR_CLOSE};
+
+/* Used in SMB_FS_OBJECTID_INFORMATION requests.  Must be exactly 48 bytes. */
+#define SAMBA_EXTENDED_INFO_MAGIC 0x536d4261 /* "SmBa" */
+#define SAMBA_EXTENDED_INFO_VERSION_STRING_LENGTH 28
+struct smb_extended_info {
+	uint32_t samba_magic;		/* Always SAMBA_EXTRA_INFO_MAGIC */
+	uint32_t samba_version;		/* Major/Minor/Release/Revision */
+	uint32_t samba_subversion;	/* Prerelease/RC/Vendor patch */
+	NTTIME samba_gitcommitdate;
+	char   samba_version_string[SAMBA_EXTENDED_INFO_VERSION_STRING_LENGTH];
+};
+
+#endif /* _SMB_H */