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samba-mirror/source3/include/smb.h
Stefan Metzmacher 3d016d6f32 Happy New Year 2019!
Signed-off-by: Stefan Metzmacher <metze@samba.org>

Autobuild-User(master): Stefan Metzmacher <metze@samba.org>
Autobuild-Date(master): Tue Jan  1 16:02:05 CET 2019 on sn-devel-144
2019-01-01 16:02:05 +01:00

789 lines
23 KiB
C

/*
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"
/* logged when starting the various Samba daemons */
#define COPYRIGHT_STARTUP_MESSAGE "Copyright Andrew Tridgell and the Samba Team 1992-2019"
#define SAFETY_MARGIN 1024
#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
/* string manipulation flags - see clistr.c and srvstr.c */
#define STR_TERMINATE 1
#define STR_UPPER 2
#define STR_ASCII 4
#define STR_UNICODE 8
#define STR_NOALIGN 16
#define STR_TERMINATE_ASCII 128
/* 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_backend;
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 */
bool need_chdir;
bool done_chdir;
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 create options used by the ntcreatex processing code. From Samba4.
* We reuse some ignored flags for private use. Passed in the private_flags
* argument.
*/
#define NTCREATEX_OPTIONS_PRIVATE_DENY_DOS 0x0001
#define NTCREATEX_OPTIONS_PRIVATE_DENY_FCB 0x0002
/* Private options for streams support */
#define NTCREATEX_OPTIONS_PRIVATE_STREAM_DELETE 0x0004
/* Private options for printer support */
#define NTCREATEX_OPTIONS_PRIVATE_DELETE_ON_CLOSE 0x0008
/* Private option for streams support */
#define NTCREATEX_OPTIONS_PRIVATE_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
/*
* Timestamp format used in "previous versions":
* This is the windows-level format of the @GMT- token.
* It is a fixed format not to be confused with the
* format for the POSIX-Level token of the shadow_copy2
* VFS module that can be configured via the "shadow:format"
* configuration option but defaults to the same format.
* See the shadow_copy2 module.
*/
#define GMT_NAME_LEN 24 /* length of a @GMT- name */
#define GMT_FORMAT "@GMT-%Y.%m.%d-%H.%M.%S"
/* 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
* ingored (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
/* file_renamed_message definition.
struct file_renamed_message {
uint64_t dev;
uint64_t inode;
char names[1]; A variable area containing sharepath and filename.
};
Offset Data length.
0 uint64_t dev 8 bytes
8 uint64_t inode 8 bytes
16 unit64_t extid 8 bytes
24 char [] name zero terminated namelen bytes
minimum length == 24.
*/
#define MSG_FILE_RENAMED_MIN_SIZE 24
/*
* 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
/* used by the IP comparison function */
struct ip_service {
struct sockaddr_storage ss;
unsigned port;
};
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];
};
/*
* Reasons for cache flush.
*/
enum flush_reason_enum {
SAMBA_SEEK_FLUSH,
SAMBA_READ_FLUSH,
SAMBA_WRITE_FLUSH,
SAMBA_READRAW_FLUSH,
SAMBA_OPLOCK_RELEASE_FLUSH,
SAMBA_CLOSE_FLUSH,
SAMBA_SYNC_FLUSH,
SAMBA_SIZECHANGE_FLUSH,
};
#endif /* _SMB_H */