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smb.h

/* 
   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

/* logged when starting the various Samba daemons */
#define COPYRIGHT_STARTUP_MESSAGE   "Copyright Andrew Tridgell and the Samba Team 1992-2008"


#if defined(LARGE_SMB_OFF_T)
#define BUFFER_SIZE (128*1024)
#else /* no large readwrite possible */
#define BUFFER_SIZE (0xFFFF)
#endif

#define SAFETY_MARGIN 1024
#define LARGE_WRITEX_HDR_SIZE 65

#define NMB_PORT 137
#define DGRAM_PORT 138
#define SMB_PORT1 445
#define SMB_PORT2 139
#define SMB_PORTS "445 139"

#define Undefined (-1)
#define False false
#define True true
#define Auto (2)
#define Required (3)

#define SIZEOFWORD 2

#ifndef DEF_CREATE_MASK
#define DEF_CREATE_MASK (0755)
#endif

/* 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)

/* Debugging stuff */
#include "debug.h"

/* this defines the error codes that receive_smb can put in smb_read_error */
enum smb_read_errors {
      SMB_READ_OK = 0,
      SMB_READ_TIMEOUT,
      SMB_READ_EOF,
      SMB_READ_ERROR,
      SMB_WRITE_ERROR, /* This error code can go into the client smb_rw_error. */
      SMB_READ_BAD_SIG,
      SMB_NO_MEMORY,
      SMB_DO_NOT_DO_TDIS, /* cli_close_connection() check for this when smbfs wants to keep tree connected */
      SMB_READ_BAD_DECRYPT
};

#define DIR_STRUCT_SIZE 43

/* these define the attribute byte as seen by DOS */
#define aRONLY (1L<<0)        /* 0x01 */
#define aHIDDEN (1L<<1)       /* 0x02 */
#define aSYSTEM (1L<<2)       /* 0x04 */
#define aVOLID (1L<<3)        /* 0x08 */
#define aDIR (1L<<4)          /* 0x10 */
#define aARCH (1L<<5)         /* 0x20 */

/* 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

#include "doserr.h"

typedef union unid_t {
      uid_t uid;
      gid_t gid;
} unid_t;

/*
 * SMB UCS2 (16-bit unicode) internal type.
 * smb_ucs2_t is *always* in little endian format.
 */

typedef uint16 smb_ucs2_t;

#ifdef WORDS_BIGENDIAN
#define UCS2_SHIFT 8
#else
#define UCS2_SHIFT 0
#endif

/* turn a 7 bit character into a ucs2 character */
#define UCS2_CHAR(c) ((c) << UCS2_SHIFT)

/* return an ascii version of a ucs2 character */
#define UCS2_TO_CHAR(c) (((c) >> UCS2_SHIFT) & 0xff)

/* Copy into a smb_ucs2_t from a possibly unaligned buffer. Return the copied smb_ucs2_t */
#define COPY_UCS2_CHAR(dest,src) (((unsigned char *)(dest))[0] = ((unsigned char *)(src))[0],\
                        ((unsigned char *)(dest))[1] = ((unsigned char *)(src))[1], (dest))

/* Large data type for manipulating uint32 unicode codepoints */
typedef uint32 codepoint_t;
#define INVALID_CODEPOINT ((codepoint_t)-1)

/* pipe string names */
#define PIPE_LANMAN   "\\PIPE\\LANMAN"
#define PIPE_SRVSVC   "\\PIPE\\srvsvc"
#define PIPE_SAMR     "\\PIPE\\samr"
#define PIPE_WINREG   "\\PIPE\\winreg"
#define PIPE_WKSSVC   "\\PIPE\\wkssvc"
#define PIPE_NETLOGON "\\PIPE\\NETLOGON"
#define PIPE_NTLSA    "\\PIPE\\ntlsa"
#define PIPE_NTSVCS   "\\PIPE\\ntsvcs"
#define PIPE_LSASS    "\\PIPE\\lsass"
#define PIPE_LSARPC   "\\PIPE\\lsarpc"
#define PIPE_SPOOLSS  "\\PIPE\\spoolss"
#define PIPE_NETDFS   "\\PIPE\\netdfs"
#define PIPE_ECHO     "\\PIPE\\rpcecho"
#define PIPE_SHUTDOWN "\\PIPE\\initshutdown"
#define PIPE_EPM      "\\PIPE\\epmapper"
#define PIPE_SVCCTL   "\\PIPE\\svcctl"
#define PIPE_EVENTLOG "\\PIPE\\eventlog"

#define PIPE_NETLOGON_PLAIN "\\NETLOGON"

#define PI_LSARPC       0
#define PI_DSSETUP            1
#define PI_SAMR               2
#define PI_NETLOGON           3
#define PI_SRVSVC       4
#define PI_WKSSVC       5
#define PI_WINREG       6
#define PI_SPOOLSS            7
#define PI_NETDFS       8
#define PI_RPCECHO            9
#define PI_INITSHUTDOWN       10
#define PI_SVCCTL       11
#define PI_EVENTLOG           12
#define PI_NTSVCS       13
#define PI_MAX_PIPES          14

/* 64 bit time (100usec) since ????? - cifs6.txt, section 3.5, page 30 */
typedef uint64_t NTTIME;

#define MAX_HOURS_LEN 32

#ifndef MAXSUBAUTHS
#define MAXSUBAUTHS 15 /* max sub authorities in a SID */
#endif

#define SID_MAX_SIZE ((size_t)(8+(MAXSUBAUTHS*4)))

#define LOOKUP_NAME_NONE            0x00000000
#define LOOKUP_NAME_ISOLATED             0x00000001  /* Look up unqualified names */
#define LOOKUP_NAME_REMOTE               0x00000002  /* Ask others */
#define LOOKUP_NAME_GROUP                0x00000004  /* (unused) This is a NASTY hack for 
                                          valid users = @foo where foo also
                                          exists in as user. */
#define LOOKUP_NAME_EXPLICIT             0x00000008  /* Only include
                                          explicitly mapped names and not 
                                          the Unix {User,Group} domain */
#define LOOKUP_NAME_BUILTIN         0x00000010 /* builtin names */
#define LOOKUP_NAME_WKN             0x00000020 /* well known names */
#define LOOKUP_NAME_DOMAIN          0x00000040 /* only lookup own domain */
#define LOOKUP_NAME_LOCAL           (LOOKUP_NAME_ISOLATED\
                              |LOOKUP_NAME_BUILTIN\
                              |LOOKUP_NAME_WKN\
                              |LOOKUP_NAME_DOMAIN)
#define LOOKUP_NAME_ALL             (LOOKUP_NAME_ISOLATED\
                              |LOOKUP_NAME_REMOTE\
                              |LOOKUP_NAME_BUILTIN\
                              |LOOKUP_NAME_WKN\
                              |LOOKUP_NAME_DOMAIN)

/**
 * @brief Security Identifier
 *
 * @sa http://msdn.microsoft.com/library/default.asp?url=/library/en-us/security/accctrl_38yn.asp
 **/
00249 typedef struct dom_sid {
00250       uint8  sid_rev_num;             /**< SID revision number */
00251       uint8  num_auths;               /**< Number of sub-authorities */
00252       uint8  id_auth[6];              /**< Identifier Authority */
      /*
       *  Pointer to sub-authorities.
       *
       * @note The values in these uint32's are in *native* byteorder, not
       * neccessarily little-endian...... JRA.
       */
      uint32 sub_auths[MAXSUBAUTHS];  
} DOM_SID;

enum id_mapping {
      ID_UNKNOWN = 0,
      ID_MAPPED,
      ID_UNMAPPED,
      ID_EXPIRED
};

enum id_type {
      ID_TYPE_NOT_SPECIFIED = 0,
      ID_TYPE_UID,
      ID_TYPE_GID
};

struct unixid {
      uint32_t id;
      enum id_type type;
};

struct id_map {
      DOM_SID *sid;
      struct unixid xid;
      enum id_mapping status;
};

/* used to hold an arbitrary blob of data */
typedef struct data_blob {
      uint8 *data;
      size_t length;
      void (*free)(struct data_blob *data_blob);
} DATA_BLOB;

extern const DATA_BLOB data_blob_null;

#include "librpc/gen_ndr/misc.h"
#include "librpc/gen_ndr/security.h"
#include "librpc/ndr/libndr.h"
#include "librpc/gen_ndr/lsa.h"
#include "librpc/gen_ndr/dfs.h"
#include "librpc/gen_ndr/winreg.h"
#include "librpc/gen_ndr/initshutdown.h"
#include "librpc/gen_ndr/eventlog.h"
#include "librpc/gen_ndr/srvsvc.h"
#include "librpc/gen_ndr/wkssvc.h"
#include "librpc/gen_ndr/echo.h"
#include "librpc/gen_ndr/svcctl.h"
#include "librpc/gen_ndr/netlogon.h"
#include "librpc/gen_ndr/samr.h"
#include "librpc/gen_ndr/dssetup.h"
#include "librpc/gen_ndr/libnet_join.h"

struct lsa_dom_info {
      bool valid;
      DOM_SID sid;
      const char *name;
      int num_idxs;
      int *idxs;
};

struct lsa_name_info {
      uint32 rid;
      enum lsa_SidType type;
      const char *name;
      int dom_idx;
};

/* Some well-known SIDs */
extern const DOM_SID global_sid_World_Domain;
extern const DOM_SID global_sid_World;
extern const DOM_SID global_sid_Creator_Owner_Domain;
extern const DOM_SID global_sid_NT_Authority;
extern const DOM_SID global_sid_System;
extern const DOM_SID global_sid_NULL;
extern const DOM_SID global_sid_Authenticated_Users;
extern const DOM_SID global_sid_Network;
extern const DOM_SID global_sid_Creator_Owner;
extern const DOM_SID global_sid_Creator_Group;
extern const DOM_SID global_sid_Anonymous;
extern const DOM_SID global_sid_Builtin;
extern const DOM_SID global_sid_Builtin_Administrators;
extern const DOM_SID global_sid_Builtin_Users;
extern const DOM_SID global_sid_Builtin_Guests;
extern const DOM_SID global_sid_Builtin_Power_Users;
extern const DOM_SID global_sid_Builtin_Account_Operators;
extern const DOM_SID global_sid_Builtin_Server_Operators;
extern const DOM_SID global_sid_Builtin_Print_Operators;
extern const DOM_SID global_sid_Builtin_Backup_Operators;
extern const DOM_SID global_sid_Builtin_Replicator;
extern const DOM_SID global_sid_Builtin_PreWin2kAccess;
extern const DOM_SID global_sid_Unix_Users;
extern const DOM_SID global_sid_Unix_Groups;

/*
 * The complete list of SIDS belonging to this user.
 * Created when a vuid is registered.
 * The definition of the user_sids array is as follows :
 *
 * token->user_sids[0] = primary user SID.
 * token->user_sids[1] = primary group SID.
 * token->user_sids[2..num_sids] = supplementary group SIDS.
 */

#define PRIMARY_USER_SID_INDEX 0
#define PRIMARY_GROUP_SID_INDEX 1

typedef struct nt_user_token {
      size_t num_sids;
      DOM_SID *user_sids;
      SE_PRIV privileges;
} NT_USER_TOKEN;

typedef struct _unix_token {
      uid_t uid;
      gid_t gid;
      int ngroups;
      gid_t *groups;
} UNIX_USER_TOKEN;

/* 32 bit time (sec) since 01jan1970 - cifs6.txt, section 3.5, page 30 */
typedef struct time_info {
      uint32 time;
} UTIME;

typedef struct write_cache {
      SMB_OFF_T file_size;
      SMB_OFF_T offset;
      size_t alloc_size;
      size_t data_size;
      char *data;
} write_cache;

typedef struct {
      smb_ucs2_t *origname;
      smb_ucs2_t *filename;
      SMB_STRUCT_STAT *statinfo;
} smb_filename;

#include "fake_file.h"

struct fd_handle {
      size_t ref_count;
      int fd;
      SMB_BIG_UINT position_information;
      SMB_OFF_T pos;
      uint32 private_options; /* NT Create options, but we only look at
                         * NTCREATEX_OPTIONS_PRIVATE_DENY_DOS and
                         * NTCREATEX_OPTIONS_PRIVATE_DENY_FCB (Except
                         * for print files *only*, where
                         * DELETE_ON_CLOSE is not stored in the share
                         * mode database.
                         */
      unsigned long gen_id;
};

struct event_context;
struct fd_event;
struct timed_event;
struct idle_event;
struct share_mode_entry;
struct uuid;

struct vfs_fsp_data {
    struct vfs_fsp_data *next;
    struct vfs_handle_struct *owner;
    /* NOTE: This structure contains two pointers so that we can guarantee
     * that the end of the structure is always both 4-byte and 8-byte aligned.
     */
};

/* 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_entry;
struct notify_event;
struct notify_change_request;
struct sys_notify_backend;
struct sys_notify_context {
      struct event_context *ev;
      struct connection_struct *conn;
      void *private_data;     /* For use by the system backend */
};

struct notify_change_buf {
      /*
       * If no requests are pending, changes are queued here. Simple array,
       * we only append.
       */

      /*
       * num_changes == -1 means that we have got a catch-all change, when
       * asked we just return NT_STATUS_OK without specific changes.
       */
      int num_changes;
      struct notify_change *changes;

      /*
       * If no changes are around requests are queued here. Using a linked
       * list, because we have to append at the end and delete from the top.
       */
      struct notify_change_request *requests;
};

typedef struct files_struct {
      struct files_struct *next, *prev;
      int fnum;
      struct connection_struct *conn;
      struct fd_handle *fh;
      unsigned int num_smb_operations;
      uint16 rap_print_jobid;
      struct file_id file_id;
      SMB_BIG_UINT initial_allocation_size; /* Faked up initial allocation on disk. */
      mode_t mode;
      uint16 file_pid;
      uint16 vuid;
      write_cache *wcp;
      struct timeval open_time;
      uint32 access_mask;           /* NTCreateX access bits (FILE_READ_DATA etc.) */
      uint32 share_access;          /* NTCreateX share constants (FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE). */
      bool pending_modtime_owner;
      struct timespec pending_modtime;
      struct timespec last_write_time;
      int oplock_type;
      int sent_oplock_break;
      struct timed_event *oplock_timeout;
      struct lock_struct last_lock_failure;
      int current_lock_count; /* Count the number of outstanding locks and pending locks. */

      struct share_mode_entry *pending_break_messages;
      int num_pending_break_messages;

      bool can_lock;
      bool can_read;
      bool can_write;
      bool print_file;
      bool modified;
      bool is_directory;
      bool is_stat;
      bool aio_write_behind;
      bool lockdb_clean;
      bool initial_delete_on_close; /* Only set at NTCreateX if file was created. */
      bool posix_open;
      char *fsp_name;

      struct vfs_fsp_data *vfs_extension;
      FAKE_FILE_HANDLE *fake_file_handle;

      struct notify_change_buf *notify;

      struct files_struct *base_fsp; /* placeholder for delete on close */
} files_struct;

#include "ntquotas.h"
#include "sysquotas.h"

/*
 * Structure used to keep directory state information around.
 * Used in NT change-notify code.
 */

typedef struct {
      time_t modify_time;
      time_t status_time;
} dir_status_struct;

struct vuid_cache_entry {
      uint16 vuid;
      bool read_only;
      bool admin_user;
};

struct vuid_cache {
      unsigned int entries;
      struct vuid_cache_entry array[VUID_CACHE_SIZE];
};

typedef struct {
      char *name;
      bool is_wild;
} name_compare_entry;

struct trans_state {
      struct trans_state *next, *prev;
      uint16 vuid;
      uint16 mid;

      uint32 max_param_return;
      uint32 max_data_return;
      uint32 max_setup_return;

      uint8 cmd;        /* SMBtrans or SMBtrans2 */

      char *name;       /* for trans requests */
      uint16 call;            /* for trans2 and nttrans requests */

      bool close_on_completion;
      bool one_way;

      unsigned int setup_count;
      uint16 *setup;

      size_t received_data;
      size_t received_param;

      size_t total_param;
      char *param;

      size_t total_data;
      char *data;
};

/*
 * Info about an alternate data stream
 */

struct stream_struct {
      SMB_OFF_T size;
      SMB_OFF_T alloc_size;
      char *name;
};

/* Include VFS stuff */

#include "smb_acls.h"
#include "vfs.h"

struct dfree_cached_info {
      time_t last_dfree_time;
      SMB_BIG_UINT dfree_ret;
      SMB_BIG_UINT bsize;
      SMB_BIG_UINT dfree;
      SMB_BIG_UINT dsize;
};

struct dptr_struct;

struct share_params {
      int service;
};

struct share_iterator {
      int next_id;
};

typedef struct connection_struct {
      struct connection_struct *next, *prev;
      TALLOC_CTX *mem_ctx; /* long-lived memory context for things hanging off this struct. */
      unsigned cnum; /* an index passed over the wire */
      struct share_params *params;
      bool force_user;
      bool force_group;
      struct vuid_cache vuid_cache;
      struct dptr_struct *dirptr;
      bool printer;
      bool ipc;
      bool read_only; /* Attributes for the current user of the share. */
      bool admin_user; /* Attributes for the current user of the share. */
      char *dirpath;
      char *connectpath;
      char *origpath;

      struct vfs_ops vfs;                   /* Filesystem operations */
      struct vfs_ops vfs_opaque;                /* OPAQUE Filesystem operations */
      struct vfs_handle_struct *vfs_handles;          /* for the new plugins */

      char *user; /* name of user who *opened* this connection */
      uid_t uid; /* uid of user who *opened* this connection */
      gid_t gid; /* gid of user who *opened* this connection */
      char client_address[INET6_ADDRSTRLEN]; /* String version of client IP address. */

      uint16 vuid; /* vuid of user who *opened* this connection, or UID_FIELD_INVALID */

      /* following groups stuff added by ih */

      /* This groups info is valid for the user that *opened* the connection */
      size_t ngroups;
      gid_t *groups;
      NT_USER_TOKEN *nt_user_token;
      
      time_t lastused;
      time_t lastused_count;
      bool used;
      int num_files_open;
      unsigned int num_smb_operations; /* Count of smb operations on this tree. */
      int encrypt_level;
      bool encrypted_tid;

      /* Semantics requested by the client or forced by the server config. */
      bool case_sensitive;
      bool case_preserve;
      bool short_case_preserve;

      /* Semantics provided by the underlying filesystem. */
      int fs_capabilities;

      name_compare_entry *hide_list; /* Per-share list of files to return as hidden. */
      name_compare_entry *veto_list; /* Per-share list of files to veto (never show). */
      name_compare_entry *veto_oplock_list; /* Per-share list of files to refuse oplocks on. */       
      name_compare_entry *aio_write_behind_list; /* Per-share list of files to use aio write behind on. */       
      struct dfree_cached_info *dfree_info;
      struct trans_state *pending_trans;
      struct notify_context *notify_ctx;
} connection_struct;

struct current_user {
      connection_struct *conn;
      uint16 vuid;
      UNIX_USER_TOKEN ut;
      NT_USER_TOKEN *nt_user_token;
};

struct smb_request {
      uint16 flags2;
      uint16 smbpid;
      uint16 mid;
      uint16 vuid;
      uint16 tid;
      uint8  wct;
      const uint8 *inbuf;
      uint8 *outbuf;
      size_t unread_bytes;
      bool encrypted;
      connection_struct *conn;
};

/* 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 full_name; /* to store full name (such as "Joe Bloggs") from gecos field of password file */
      fstring domain; /* domain that the client specified */
} userdom_struct;

/* Extra fields above "LPQ_PRINTING" are used to map extra NT status codes. */

enum {LPQ_QUEUED=0,LPQ_PAUSED,LPQ_SPOOLING,LPQ_PRINTING,LPQ_ERROR,LPQ_DELETING,
      LPQ_OFFLINE,LPQ_PAPEROUT,LPQ_PRINTED,LPQ_DELETED,LPQ_BLOCKED,LPQ_USER_INTERVENTION};

typedef struct _print_queue_struct {
      int job;          /* normally the UNIX jobid -- see note in 
                           printing.c:traverse_fn_delete() */
      int size;
      int page_count;
      int status;
      int priority;
      time_t time;
      fstring fs_user;
      fstring fs_file;
} print_queue_struct;

enum {LPSTAT_OK, LPSTAT_STOPPED, LPSTAT_ERROR};

typedef struct {
      fstring message;
      int qcount;
      int status;
}  print_status_struct;

/* used for server information: client, nameserv and ipc */
struct server_info_struct {
      fstring name;
      uint32 type;
      fstring comment;
      fstring domain; /* used ONLY in ipc.c NOT namework.c */
      bool server_added; /* used ONLY in ipc.c NOT namework.c */
};

/* 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;
};

/* Internal message queue for deferred opens. */
struct pending_message_list {
      struct pending_message_list *next, *prev;
      struct timeval request_time; /* When was this first issued? */
      struct timeval end_time; /* When does this time out? */
      bool encrypted;
      DATA_BLOB buf;
      DATA_BLOB private_data;
};

#define SHARE_MODE_FLAG_POSIX_OPEN  0x1
#define SHARE_MODE_ALLOW_INITIAL_DELETE_ON_CLOSE      0x2

/* struct returned by get_share_modes */
struct share_mode_entry {
      struct server_id pid;
      uint16 op_mid;
      uint16 op_type;
      uint32 access_mask;           /* NTCreateX access bits (FILE_READ_DATA etc.) */
      uint32 share_access;          /* NTCreateX share constants (FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE). */
      uint32 private_options; /* NT Create options, but we only look at
                         * NTCREATEX_OPTIONS_PRIVATE_DENY_DOS and
                         * NTCREATEX_OPTIONS_PRIVATE_DENY_FCB for
                         * smbstatus and swat */
      struct timeval time;
      struct file_id id;
      unsigned long share_file_id;
      uint32 uid;       /* uid of file opener. */
      uint16 flags;           /* See SHARE_MODE_XX above. */
};

/* oplock break message definition - linearization of share_mode_entry.

Offset  Data                  length.
0     struct server_id pid    4
4     uint16 op_mid           2
6     uint16 op_type          2
8     uint32 access_mask      4
12    uint32 share_access     4
16    uint32 private_options  4
20    uint32 time sec         4
24    uint32 time usec  4
28    SMB_DEV_T dev           8 bytes.
36    SMB_INO_T inode         8 bytes
44    unsigned long file_id   4 bytes
48    uint32 uid        4 bytes
52    uint16 flags            2 bytes
54

*/
#ifdef CLUSTER_SUPPORT
#define MSG_SMB_SHARE_MODE_ENTRY_SIZE 58
#else
#define MSG_SMB_SHARE_MODE_ENTRY_SIZE 54
#endif

struct share_mode_lock {
      const char *servicepath; /* canonicalized. */
      const char *filename;
      struct file_id id;
      int num_share_modes;
      struct share_mode_entry *share_modes;
      UNIX_USER_TOKEN *delete_token;
      bool delete_on_close;
      bool fresh;
      bool modified;
      struct db_record *record;
};

/*
 * Internal structure of locking.tdb share mode db.
 * Used by locking.c and libsmbsharemodes.c
 */

struct locking_data {
      union {
            struct {
                  int num_share_mode_entries;
                  bool delete_on_close;
                  uint32 delete_token_size; /* Only valid if either of
                                         the two previous fields
                                         are True. */
            } s;
            struct share_mode_entry dummy; /* Needed for alignment. */
      } u;
      /* The following four entries are implicit
         struct share_mode_entry modes[num_share_mode_entries];
         char unix_token[delete_token_size] (divisible by 4).
         char share_name[];
         char file_name[];
        */
};

/* Used to store pipe open records for NetFileEnum() */

struct pipe_open_rec {
      struct server_id pid;
      uid_t uid;
      int pnum;
      fstring name;
};


#define NT_HASH_LEN 16
#define LM_HASH_LEN 16

/* Password history contants. */
#define PW_HISTORY_SALT_LEN 16
#define SALTED_MD5_HASH_LEN 16
#define PW_HISTORY_ENTRY_LEN (PW_HISTORY_SALT_LEN+SALTED_MD5_HASH_LEN)
#define MAX_PW_HISTORY_LEN 24

/*
 * Flags for account policy.
 */
#define AP_MIN_PASSWORD_LEN         1
#define AP_PASSWORD_HISTORY         2
#define AP_USER_MUST_LOGON_TO_CHG_PASS    3
#define AP_MAX_PASSWORD_AGE         4
#define AP_MIN_PASSWORD_AGE         5
#define AP_LOCK_ACCOUNT_DURATION    6
#define AP_RESET_COUNT_TIME         7
#define AP_BAD_ATTEMPT_LOCKOUT            8
#define AP_TIME_TO_LOGOUT           9
#define AP_REFUSE_MACHINE_PW_CHANGE 10

/*
 * Flags for local user manipulation.
 */

#define LOCAL_ADD_USER 0x1
#define LOCAL_DELETE_USER 0x2
#define LOCAL_DISABLE_USER 0x4
#define LOCAL_ENABLE_USER 0x8
#define LOCAL_TRUST_ACCOUNT 0x10
#define LOCAL_SET_NO_PASSWORD 0x20
#define LOCAL_SET_PASSWORD 0x40
#define LOCAL_SET_LDAP_ADMIN_PW 0x80
#define LOCAL_INTERDOM_ACCOUNT 0x100
#define LOCAL_AM_ROOT 0x200  /* Act as root */

/* key and data in the connections database - used in smbstatus and smbd */
struct connections_key {
      struct server_id pid;
      int cnum;
      fstring name;
};

struct connections_data {
      int magic;
      struct server_id pid;
      int cnum;
      uid_t uid;
      gid_t gid;
      char servicename[FSTRING_LEN];
      char addr[24];
      char machine[FSTRING_LEN];
      time_t start;
      uint32 bcast_msg_flags;
};


/* the following are used by loadparm for option lists */
typedef enum {
      P_BOOL,P_BOOLREV,P_CHAR,P_INTEGER,P_OCTAL,P_LIST,
      P_STRING,P_USTRING,P_ENUM,P_SEP
} parm_type;

typedef enum {
      P_LOCAL,P_GLOBAL,P_SEPARATOR,P_NONE
} parm_class;

struct enum_list {
      int value;
      const char *name;
};

struct parm_struct {
      const char *label;
      parm_type type;
      parm_class p_class;
      void *ptr;
      bool (*special)(int snum, const char *, char **);
      const struct enum_list *enum_list;
      unsigned flags;
      union {
            bool bvalue;
            int ivalue;
            char *svalue;
            char cvalue;
            char **lvalue;
      } def;
};

/* The following flags are used in SWAT */
#define FLAG_BASIC      0x0001 /* Display only in BASIC view */
#define FLAG_SHARE      0x0002 /* file sharing options */
#define FLAG_PRINT      0x0004 /* printing options */
#define FLAG_GLOBAL     0x0008 /* local options that should be globally settable in SWAT */
#define FLAG_WIZARD     0x0010 /* Parameters that the wizard will operate on */
#define FLAG_ADVANCED   0x0020 /* Parameters that will be visible in advanced view */
#define FLAG_DEVELOPER  0x0040 /* No longer used */
#define FLAG_DEPRECATED 0x1000 /* options that should no longer be used */
#define FLAG_HIDE       0x2000 /* options that should be hidden in SWAT */
#define FLAG_DOS_STRING 0x4000 /* convert from UNIX to DOS codepage when reading this string. */

struct bitmap {
      uint32 *b;
      unsigned int n;
};

/* offsets into message for common items */
#define smb_com 8
#define smb_rcls 9
#define smb_reh 10
#define smb_err 11
#define smb_flg 13
#define smb_flg2 14
#define smb_pidhigh 16
#define smb_ss_field 18
#define smb_tid 28
#define smb_pid 30
#define smb_uid 32
#define smb_mid 34
#define smb_wct 36
#define smb_vwv 37
#define smb_vwv0 37
#define smb_vwv1 39
#define smb_vwv2 41
#define smb_vwv3 43
#define smb_vwv4 45
#define smb_vwv5 47
#define smb_vwv6 49
#define smb_vwv7 51
#define smb_vwv8 53
#define smb_vwv9 55
#define smb_vwv10 57
#define smb_vwv11 59
#define smb_vwv12 61
#define smb_vwv13 63
#define smb_vwv14 65
#define smb_vwv15 67
#define smb_vwv16 69
#define smb_vwv17 71

/* flag defines. CIFS spec 3.1.1 */
#define FLAG_SUPPORT_LOCKREAD       0x01
#define FLAG_CLIENT_BUF_AVAIL       0x02
#define FLAG_RESERVED               0x04
#define FLAG_CASELESS_PATHNAMES     0x08
#define FLAG_CANONICAL_PATHNAMES    0x10
#define FLAG_REQUEST_OPLOCK         0x20
#define FLAG_REQUEST_BATCH_OPLOCK   0x40
#define FLAG_REPLY                  0x80

/* the complete */
#define SMBmkdir      0x00   /* create directory */
#define SMBrmdir      0x01   /* delete directory */
#define SMBopen       0x02   /* open file */
#define SMBcreate     0x03   /* create file */
#define SMBclose      0x04   /* close file */
#define SMBflush      0x05   /* flush file */
#define SMBunlink     0x06   /* delete file */
#define SMBmv         0x07   /* rename file */
#define SMBgetatr     0x08   /* get file attributes */
#define SMBsetatr     0x09   /* set file attributes */
#define SMBread       0x0A   /* read from file */
#define SMBwrite      0x0B   /* write to file */
#define SMBlock       0x0C   /* lock byte range */
#define SMBunlock     0x0D   /* unlock byte range */
#define SMBctemp      0x0E   /* create temporary file */
#define SMBmknew      0x0F   /* make new file */
#define SMBcheckpath  0x10   /* check directory path */
#define SMBexit       0x11   /* process exit */
#define SMBlseek      0x12   /* seek */
#define SMBtcon       0x70   /* tree connect */
#define SMBtconX      0x75   /* tree connect and X*/
#define SMBtdis       0x71   /* tree disconnect */
#define SMBnegprot    0x72   /* negotiate protocol */
#define SMBdskattr    0x80   /* get disk attributes */
#define SMBsearch     0x81   /* search directory */
#define SMBsplopen    0xC0   /* open print spool file */
#define SMBsplwr      0xC1   /* write to print spool file */
#define SMBsplclose   0xC2   /* close print spool file */
#define SMBsplretq    0xC3   /* return print queue */
#define SMBsends      0xD0   /* send single block message */
#define SMBsendb      0xD1   /* send broadcast message */
#define SMBfwdname    0xD2   /* forward user name */
#define SMBcancelf    0xD3   /* cancel forward */
#define SMBgetmac     0xD4   /* get machine name */
#define SMBsendstrt   0xD5   /* send start of multi-block message */
#define SMBsendend    0xD6   /* send end of multi-block message */
#define SMBsendtxt    0xD7   /* send text of multi-block message */

/* Core+ protocol */
#define SMBlockread       0x13   /* Lock a range and read */
#define SMBwriteunlock 0x14 /* Unlock a range then write */
#define SMBreadbraw   0x1a  /* read a block of data with no smb header */
#define SMBwritebraw  0x1d  /* write a block of data with no smb header */
#define SMBwritec     0x20  /* secondary write request */
#define SMBwriteclose 0x2c  /* write a file then close it */

/* dos extended protocol */
#define SMBreadBraw      0x1A   /* read block raw */
#define SMBreadBmpx      0x1B   /* read block multiplexed */
#define SMBreadBs        0x1C   /* read block (secondary response) */
#define SMBwriteBraw     0x1D   /* write block raw */
#define SMBwriteBmpx     0x1E   /* write block multiplexed */
#define SMBwriteBs       0x1F   /* write block (secondary request) */
#define SMBwriteC        0x20   /* write complete response */
#define SMBsetattrE      0x22   /* set file attributes expanded */
#define SMBgetattrE      0x23   /* get file attributes expanded */
#define SMBlockingX      0x24   /* lock/unlock byte ranges and X */
#define SMBtrans         0x25   /* transaction - name, bytes in/out */
#define SMBtranss        0x26   /* transaction (secondary request/response) */
#define SMBioctl         0x27   /* IOCTL */
#define SMBioctls        0x28   /* IOCTL  (secondary request/response) */
#define SMBcopy          0x29   /* copy */
#define SMBmove          0x2A   /* move */
#define SMBecho          0x2B   /* echo */
#define SMBopenX         0x2D   /* open and X */
#define SMBreadX         0x2E   /* read and X */
#define SMBwriteX        0x2F   /* write and X */
#define SMBsesssetupX    0x73   /* Session Set Up & X (including User Logon) */
#define SMBffirst        0x82   /* find first */
#define SMBfunique       0x83   /* find unique */
#define SMBfclose        0x84   /* find close */
#define SMBkeepalive     0x85   /* keepalive */
#define SMBinvalid       0xFE   /* invalid command */

/* Extended 2.0 protocol */
#define SMBtrans2        0x32   /* TRANS2 protocol set */
#define SMBtranss2       0x33   /* TRANS2 protocol set, secondary command */
#define SMBfindclose     0x34   /* Terminate a TRANSACT2_FINDFIRST */
#define SMBfindnclose    0x35   /* Terminate a TRANSACT2_FINDNOTIFYFIRST */
#define SMBulogoffX      0x74   /* user logoff */

/* NT SMB extensions. */
#define SMBnttrans       0xA0   /* NT transact */
#define SMBnttranss      0xA1   /* NT transact secondary */
#define SMBntcreateX     0xA2   /* NT create and X */
#define SMBntcancel      0xA4   /* NT cancel */
#define SMBntrename      0xA5   /* NT rename */

/* These are the trans subcommands */
#define TRANSACT_SETNAMEDPIPEHANDLESTATE  0x01 
#define TRANSACT_DCERPCCMD                0x26
#define TRANSACT_WAITNAMEDPIPEHANDLESTATE 0x53

/* These are the TRANS2 sub commands */
#define TRANSACT2_OPEN                    0x00
#define TRANSACT2_FINDFIRST               0x01
#define TRANSACT2_FINDNEXT                0x02
#define TRANSACT2_QFSINFO                 0x03
#define TRANSACT2_SETFSINFO               0x04
#define TRANSACT2_QPATHINFO               0x05
#define TRANSACT2_SETPATHINFO             0x06
#define TRANSACT2_QFILEINFO               0x07
#define TRANSACT2_SETFILEINFO             0x08
#define TRANSACT2_FSCTL                   0x09
#define TRANSACT2_IOCTL                   0x0A
#define TRANSACT2_FINDNOTIFYFIRST         0x0B
#define TRANSACT2_FINDNOTIFYNEXT          0x0C
#define TRANSACT2_MKDIR                   0x0D
#define TRANSACT2_SESSION_SETUP                 0x0E
#define TRANSACT2_GET_DFS_REFERRAL        0x10
#define TRANSACT2_REPORT_DFS_INCONSISTANCY      0x11

/* These are the NT transact sub commands. */
#define NT_TRANSACT_CREATE                1
#define NT_TRANSACT_IOCTL                 2
#define NT_TRANSACT_SET_SECURITY_DESC     3
#define NT_TRANSACT_NOTIFY_CHANGE         4
#define NT_TRANSACT_RENAME                5
#define NT_TRANSACT_QUERY_SECURITY_DESC   6
#define NT_TRANSACT_GET_USER_QUOTA    7
#define NT_TRANSACT_SET_USER_QUOTA    8

/* 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)

/* this is used on a TConX. I'm not sure the name is very helpful though */
#define SMB_SUPPORT_SEARCH_BITS        0x0001
#define SMB_SHARE_IN_DFS               0x0002

/* Named pipe write mode flags. Used in writeX calls. */
#define PIPE_RAW_MODE 0x4
#define PIPE_START_MESSAGE 0x8

/* File Specific access rights */
#define FILE_READ_DATA        0x00000001
#define FILE_WRITE_DATA       0x00000002
#define FILE_APPEND_DATA      0x00000004
#define FILE_READ_EA          0x00000008 /* File and directory */
#define FILE_WRITE_EA         0x00000010 /* File and directory */
#define FILE_EXECUTE          0x00000020
#define FILE_DELETE_CHILD     0x00000040
#define FILE_READ_ATTRIBUTES  0x00000080
#define FILE_WRITE_ATTRIBUTES 0x00000100

#define FILE_ALL_ACCESS       0x000001FF

/* Directory specific access rights */
#define FILE_LIST_DIRECTORY   0x00000001
#define FILE_ADD_FILE         0x00000002
#define FILE_ADD_SUBDIRECTORY 0x00000004
#define FILE_TRAVERSE         0x00000020
#define FILE_DELETE_CHILD     0x00000040

/* the desired access to use when opening a pipe */
#define DESIRED_ACCESS_PIPE 0x2019f
 
/* Generic access masks & rights. */
#define DELETE_ACCESS        0x00010000 /* (1L<<16) */
#define READ_CONTROL_ACCESS  0x00020000 /* (1L<<17) */
#define WRITE_DAC_ACCESS     0x00040000 /* (1L<<18) */
#define WRITE_OWNER_ACCESS   0x00080000 /* (1L<<19) */
#define SYNCHRONIZE_ACCESS   0x00100000 /* (1L<<20) */

#define SYSTEM_SECURITY_ACCESS 0x01000000 /* (1L<<24) */
#define MAXIMUM_ALLOWED_ACCESS 0x02000000 /* (1L<<25) */
#define GENERIC_ALL_ACCESS     0x10000000 /* (1<<28) */
#define GENERIC_EXECUTE_ACCESS 0x20000000 /* (1<<29) */
#define GENERIC_WRITE_ACCESS   0x40000000 /* (1<<30) */
#define GENERIC_READ_ACCESS    ((unsigned)0x80000000) /* (((unsigned)1)<<31) */

/* Mapping of generic access rights for files to specific rights. */

/* This maps to 0x1F01FF */
#define FILE_GENERIC_ALL (STANDARD_RIGHTS_REQUIRED_ACCESS| SYNCHRONIZE_ACCESS|FILE_ALL_ACCESS)

/* This maps to 0x120089 */
#define FILE_GENERIC_READ (STANDARD_RIGHTS_READ_ACCESS|FILE_READ_DATA|FILE_READ_ATTRIBUTES|\
                                          FILE_READ_EA|SYNCHRONIZE_ACCESS)

/* This maps to 0x120116 */
#define FILE_GENERIC_WRITE (STD_RIGHT_READ_CONTROL_ACCESS|FILE_WRITE_DATA|FILE_WRITE_ATTRIBUTES|\
                                          FILE_WRITE_EA|FILE_APPEND_DATA|SYNCHRONIZE_ACCESS)

#define FILE_GENERIC_EXECUTE (STANDARD_RIGHTS_EXECUTE_ACCESS|\
                                                FILE_EXECUTE|SYNCHRONIZE_ACCESS)

/* Share specific rights. */
#define SHARE_ALL_ACCESS      FILE_GENERIC_ALL
#define SHARE_READ_ONLY       (FILE_GENERIC_READ|FILE_EXECUTE)

/* 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
#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

/* ShareAccess field. */
#define FILE_SHARE_NONE 0 /* Cannot be used in bitmask. */
#define FILE_SHARE_READ 1
#define FILE_SHARE_WRITE 2
#define FILE_SHARE_DELETE 4

/* FileAttributesField */
#define FILE_ATTRIBUTE_READONLY           0x001L
#define FILE_ATTRIBUTE_HIDDEN       0x002L
#define FILE_ATTRIBUTE_SYSTEM       0x004L
#define FILE_ATTRIBUTE_DIRECTORY    0x010L
#define FILE_ATTRIBUTE_ARCHIVE            0x020L
#define FILE_ATTRIBUTE_NORMAL       0x080L
#define FILE_ATTRIBUTE_TEMPORARY    0x100L
#define FILE_ATTRIBUTE_SPARSE       0x200L
#define FILE_ATTRIBUTE_REPARSE_POINT    0x400L
#define FILE_ATTRIBUTE_COMPRESSED   0x800L
#define FILE_ATTRIBUTE_OFFLINE          0x1000L
#define FILE_ATTRIBUTE_NONINDEXED   0x2000L
#define FILE_ATTRIBUTE_ENCRYPTED        0x4000L
#define SAMBA_ATTRIBUTES_MASK       0x7F

/* Flags - combined with attributes. */
#define FILE_FLAG_WRITE_THROUGH    0x80000000L
#define FILE_FLAG_NO_BUFFERING     0x20000000L
#define FILE_FLAG_RANDOM_ACCESS    0x10000000L
#define FILE_FLAG_SEQUENTIAL_SCAN  0x08000000L
#define FILE_FLAG_DELETE_ON_CLOSE  0x04000000L
#define FILE_FLAG_BACKUP_SEMANTICS 0x02000000L
#define FILE_FLAG_POSIX_SEMANTICS  0x01000000L

/* CreateDisposition field. */
#define FILE_SUPERSEDE 0            /* File exists overwrite/supersede. File not exist create. */
#define FILE_OPEN 1                 /* File exists open. File not exist fail. */
#define FILE_CREATE 2               /* File exists fail. File not exist create. */
#define FILE_OPEN_IF 3              /* File exists open. File not exist create. */
#define FILE_OVERWRITE 4            /* File exists overwrite. File not exist fail. */
#define FILE_OVERWRITE_IF 5         /* File exists overwrite. File not exist create. */

/* CreateOptions field. */
#define FILE_DIRECTORY_FILE       0x0001
#define FILE_WRITE_THROUGH        0x0002
#define FILE_SEQUENTIAL_ONLY      0x0004
#define FILE_NON_DIRECTORY_FILE   0x0040
#define FILE_NO_EA_KNOWLEDGE      0x0200
#define FILE_EIGHT_DOT_THREE_ONLY 0x0400
#define FILE_RANDOM_ACCESS        0x0800
#define FILE_DELETE_ON_CLOSE      0x1000
#define FILE_OPEN_BY_FILE_ID    0x2000

/* Private create options used by the ntcreatex processing code. From Samba4. */
#define NTCREATEX_OPTIONS_PRIVATE_DENY_DOS     0x01000000
#define NTCREATEX_OPTIONS_PRIVATE_DENY_FCB     0x02000000

/* Private options for streams support */
#define NTCREATEX_OPTIONS_PRIVATE_STREAM_DELETE 0x04000000

/* Responses when opening a file. */
#define FILE_WAS_SUPERSEDED 0
#define FILE_WAS_OPENED 1
#define FILE_WAS_CREATED 2
#define FILE_WAS_OVERWRITTEN 3

/* File type flags */
#define FILE_TYPE_DISK  0
#define FILE_TYPE_BYTE_MODE_PIPE 1
#define FILE_TYPE_MESSAGE_MODE_PIPE 2
#define FILE_TYPE_PRINTER 3
#define FILE_TYPE_COMM_DEVICE 4
#define FILE_TYPE_UNKNOWN 0xFFFF

/* 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

/* Filesystem Attributes. */
#define FILE_CASE_SENSITIVE_SEARCH      0x00000001
#define FILE_CASE_PRESERVED_NAMES       0x00000002
#define FILE_UNICODE_ON_DISK            0x00000004
/* According to cifs9f, this is 4, not 8 */
/* Acconding to testing, this actually sets the security attribute! */
#define FILE_PERSISTENT_ACLS            0x00000008
#define FILE_FILE_COMPRESSION           0x00000010
#define FILE_VOLUME_QUOTAS              0x00000020
#define FILE_SUPPORTS_SPARSE_FILES      0x00000040
#define FILE_SUPPORTS_REPARSE_POINTS    0x00000080
#define FILE_SUPPORTS_REMOTE_STORAGE    0x00000100
#define FS_LFN_APIS                     0x00004000
#define FILE_VOLUME_IS_COMPRESSED       0x00008000
#define FILE_SUPPORTS_OBJECT_IDS        0x00010000
#define FILE_SUPPORTS_ENCRYPTION        0x00020000
#define FILE_NAMED_STREAMS              0x00040000
#define FILE_READ_ONLY_VOLUME           0x00080000

/* 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)

/* 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) (((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


#define SMB_SUCCESS 0  /* The request was successful. */

#ifdef WITH_DFS
void dfs_unlogin(void);
extern int dcelogin_atmost_once;
#endif

#ifdef NOSTRDUP
char *strdup(char *s);
#endif

#ifndef SIGNAL_CAST
#define SIGNAL_CAST (RETSIGTYPE (*)(int))
#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
 */
 
#define DEFAULT_MAJOR_VERSION 0x04
#define DEFAULT_MINOR_VERSION 0x09

/* Browser Election Values */
#define BROWSER_ELECTION_VERSION    0x010f
#define BROWSER_CONSTANT      0xaa55

/* Sercurity mode bits. */
#define NEGOTIATE_SECURITY_USER_LEVEL           0x01
#define NEGOTIATE_SECURITY_CHALLENGE_RESPONSE   0x02
#define NEGOTIATE_SECURITY_SIGNATURES_ENABLED   0x04
#define NEGOTIATE_SECURITY_SIGNATURES_REQUIRED  0x08

/* NT Flags2 bits - cifs6.txt section 3.1.2 */
   
#define FLAGS2_LONG_PATH_COMPONENTS    0x0001
#define FLAGS2_EXTENDED_ATTRIBUTES     0x0002
#define FLAGS2_SMB_SECURITY_SIGNATURES 0x0004
#define FLAGS2_UNKNOWN_BIT4            0x0010
#define FLAGS2_IS_LONG_NAME            0x0040
#define FLAGS2_EXTENDED_SECURITY       0x0800 
#define FLAGS2_DFS_PATHNAMES           0x1000
#define FLAGS2_READ_PERMIT_EXECUTE     0x2000
#define FLAGS2_32_BIT_ERROR_CODES      0x4000 
#define FLAGS2_UNICODE_STRINGS         0x8000

#define FLAGS2_WIN2K_SIGNATURE         0xC852 /* Hack alert ! For now... JRA. */

/* TCONX Flag (smb_vwv2). */
#define TCONX_FLAG_EXTENDED_RESPONSE      0x8

/* Capabilities.  see ftp.microsoft.com/developr/drg/cifs/cifs/cifs4.txt */

#define CAP_RAW_MODE         0x0001
#define CAP_MPX_MODE         0x0002
#define CAP_UNICODE          0x0004
#define CAP_LARGE_FILES      0x0008
#define CAP_NT_SMBS          0x0010
#define CAP_RPC_REMOTE_APIS  0x0020
#define CAP_STATUS32         0x0040
#define CAP_LEVEL_II_OPLOCKS 0x0080
#define CAP_LOCK_AND_READ    0x0100
#define CAP_NT_FIND          0x0200
#define CAP_DFS              0x1000
#define CAP_W2K_SMBS         0x2000
#define CAP_LARGE_READX      0x4000
#define CAP_LARGE_WRITEX     0x8000
#define CAP_UNIX             0x800000 /* Capabilities for UNIX extensions. Created by HP. */
#define CAP_EXTENDED_SECURITY 0x80000000

/* protocol types. It assumes that higher protocols include lower protocols
   as subsets */
enum protocol_types {PROTOCOL_NONE,PROTOCOL_CORE,PROTOCOL_COREPLUS,PROTOCOL_LANMAN1,PROTOCOL_LANMAN2,PROTOCOL_NT1};

/* security levels */
enum security_types {SEC_SHARE,SEC_USER,SEC_SERVER,SEC_DOMAIN,SEC_ADS};

/* server roles */
enum server_types {
      ROLE_STANDALONE,
      ROLE_DOMAIN_MEMBER,
      ROLE_DOMAIN_BDC,
      ROLE_DOMAIN_PDC
};

/* printing types */
enum printing_types {PRINT_BSD,PRINT_SYSV,PRINT_AIX,PRINT_HPUX,
                 PRINT_QNX,PRINT_PLP,PRINT_LPRNG,PRINT_SOFTQ,
                 PRINT_CUPS,PRINT_LPRNT,PRINT_LPROS2,PRINT_IPRINT
#if defined(DEVELOPER) || defined(ENABLE_BUILD_FARM_HACKS)
,PRINT_TEST,PRINT_VLP
#endif /* DEVELOPER */
};

/* LDAP schema types */
enum schema_types {SCHEMA_COMPAT, SCHEMA_AD, SCHEMA_SAMBA};

/* LDAP SSL options */
enum ldap_ssl_types {LDAP_SSL_ON, LDAP_SSL_OFF, LDAP_SSL_START_TLS};

/* LDAP PASSWD SYNC methods */
enum ldap_passwd_sync_types {LDAP_PASSWD_SYNC_ON, LDAP_PASSWD_SYNC_OFF, LDAP_PASSWD_SYNC_ONLY};

/* Remote architectures we know about. */
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};

/* case handling */
enum case_handling {CASE_LOWER,CASE_UPPER};

/* ACL compatibility */
enum acl_compatibility {ACL_COMPAT_AUTO, ACL_COMPAT_WINNT, ACL_COMPAT_WIN2K};
/*
 * Global value meaing 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 */

/* 
 * Size of buffer to use when moving files across filesystems. 
 */
#define COPYBUF_SIZE (8*1024)

/*
 * Used in chaining code.
 */
extern int chain_size;

/*
 * Map the Core and Extended Oplock requesst 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)

/* Lock types. */
#define LOCKING_ANDX_SHARED_LOCK 0x1
#define LOCKING_ANDX_OPLOCK_RELEASE 0x2
#define LOCKING_ANDX_CHANGE_LOCKTYPE 0x4
#define LOCKING_ANDX_CANCEL_LOCK 0x8
#define LOCKING_ANDX_LARGE_FILES 0x10

/*
 * Bits we test with.
 * Note these must fit into 16-bits.
 */

#define NO_OPLOCK                   0x0
#define EXCLUSIVE_OPLOCK            0x1
#define BATCH_OPLOCK                0x2
#define LEVEL_II_OPLOCK             0x4

/* The following are Samba-private. */
#define INTERNAL_OPEN_ONLY          0x8
#define FAKE_LEVEL_II_OPLOCK        0x10  /* Client requested no_oplock, but we have to
                         * inform potential level2 holders on
                         * write. */
#define DEFERRED_OPEN_ENTRY         0x20
#define UNUSED_SHARE_MODE_ENTRY     0x40
#define FORCE_OPLOCK_BREAK_TO_NONE  0x80

/* None of the following should ever appear in fsp->oplock_request. */
#define SAMBA_PRIVATE_OPLOCK_MASK (INTERNAL_OPEN_ONLY|DEFERRED_OPEN_ENTRY|UNUSED_SHARE_MODE_ENTRY|FORCE_OPLOCK_BREAK_TO_NONE)

#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|(unsigned int)FAKE_LEVEL_II_OPLOCK))

struct inform_level2_message {
      SMB_DEV_T dev;
      SMB_INO_T inode;
      uint16 mid;
      unsigned long target_file_id;
      unsigned long source_file_id;
};

/* kernel_oplock_message definition.

struct kernel_oplock_message {
      SMB_DEV_T dev;
      SMB_INO_T inode;
      unsigned long file_id;
};

Offset  Data                  length.
0     SMB_DEV_T dev           8 bytes.
8     SMB_INO_T inode         8 bytes
16    unsigned long file_id   4 bytes
20

*/
#define MSG_SMB_KERNEL_BREAK_SIZE 20

/* file_renamed_message definition.

struct file_renamed_message {
      SMB_DEV_T dev;
      SMB_INO_T inode;
      char names[1]; A variable area containing sharepath and filename.
};

Offset  Data                  length.
0     SMB_DEV_T dev           8 bytes.
8     SMB_INO_T inode         8 bytes
16    char [] name            zero terminated namelen bytes
minimum length == 18.

*/

#define MSG_FILE_RENAMED_MIN_SIZE 16

/*
 * 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
};

/* 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 {
      files_struct * (*receive_message)(fd_set *fds);
      bool (*set_oplock)(files_struct *fsp, int oplock_type);
      void (*release_oplock)(files_struct *fsp);
      bool (*msg_waiting)(fd_set *fds);
      int notification_fd;
};

#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. */
typedef struct node_status_ {
      nstring name;
      unsigned char type;
      unsigned char flags;
} NODE_STATUS_STRUCT;

/* The extra info from a NetBIOS node status query */
struct node_status_extra {
      unsigned char mac_addr[6];
      /* There really is more here ... */ 
};

struct pwd_info {
      bool null_pwd;
      bool cleartext;

      fstring password;
};

/* For split krb5 SPNEGO blobs. */
struct pending_auth_data {
      struct pending_auth_data *prev, *next;
      uint16 vuid; /* Tag for this entry. */
      uint16 smbpid; /* Alternate tag for this entry. */
      size_t needed_len;
      DATA_BLOB partial_data;
};

typedef struct user_struct {
      struct user_struct *next, *prev;
      uint16 vuid; /* Tag for this entry. */
      uid_t uid; /* uid of a validated user */
      gid_t gid; /* gid of a validated user */

      userdom_struct user;
      const char *homedir;
      const char *unix_homedir;
      const char *logon_script;
      
      bool guest;

      /* following groups stuff added by ih */
      /* This groups info is needed for when we become_user() for this uid */
      int n_groups;
      gid_t *groups;

      NT_USER_TOKEN *nt_user_token;

      DATA_BLOB session_key;

      char *session_keystr; /* used by utmp and pam session code.  
                         TDB key string */
      int homes_snum;

      struct auth_serversupplied_info *server_info;

      struct auth_ntlmssp_state *auth_ntlmssp_state;
} user_struct;

struct unix_error_map {
      int unix_error;
      int dos_class;
      int dos_code;
      NTSTATUS nt_error;
};

/*
 * Size of new password account encoding string.  This is enough space to
 * hold 11 ACB characters, plus the surrounding [] and a terminating null.
 * Do not change unless you are adding new ACB bits!
 */

#define NEW_PW_FORMAT_SPACE_PADDED_LEN 14

/*
   Do you want session setups at user level security with a invalid
   password to be rejected or allowed in as guest? WinNT rejects them
   but it can be a pain as it means "net view" needs to use a password

   You have 3 choices in the setting of map_to_guest:

   "NEVER_MAP_TO_GUEST" means session setups with an invalid password
   are rejected. This is the default.

   "MAP_TO_GUEST_ON_BAD_USER" means session setups with an invalid password
   are rejected, unless the username does not exist, in which case it
   is treated as a guest login

   "MAP_TO_GUEST_ON_BAD_PASSWORD" means session setups with an invalid password
   are treated as a guest login

   Note that map_to_guest only has an effect in user or server
   level security.
*/

#define NEVER_MAP_TO_GUEST          0
#define MAP_TO_GUEST_ON_BAD_USER    1
#define MAP_TO_GUEST_ON_BAD_PASSWORD      2
#define MAP_TO_GUEST_ON_BAD_UID     3

#define SAFE_NETBIOS_CHARS ". -_"

/* generic iconv conversion structure */
typedef struct _smb_iconv_t {
      size_t (*direct)(void *cd, const char **inbuf, size_t *inbytesleft,
                   char **outbuf, size_t *outbytesleft);
      size_t (*pull)(void *cd, const char **inbuf, size_t *inbytesleft,
                   char **outbuf, size_t *outbytesleft);
      size_t (*push)(void *cd, const char **inbuf, size_t *inbytesleft,
                   char **outbuf, size_t *outbytesleft);
      void *cd_direct, *cd_pull, *cd_push;
      char *from_name, *to_name;
} *smb_iconv_t;

/* The maximum length of a trust account password.
   Used when we randomly create it, 15 char passwords
   exceed NT4's max password length */

#define DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH 14

#include "popt_common.h"

#define PORT_NONE 0
#define LDAP_GC_PORT    3268
#ifndef LDAP_PORT
#define LDAP_PORT 389
#endif

/* used by the IP comparison function */
struct ip_service {
      struct sockaddr_storage ss;
      unsigned port;
};

/* Special name type used to cause a _kerberos DNS lookup. */
#define KDC_NAME_TYPE 0xDCDC

/* Used by the SMB signing functions. */

typedef struct smb_sign_info {
      void (*sign_outgoing_message)(char *outbuf, struct smb_sign_info *si);
      bool (*check_incoming_message)(const char *inbuf, struct smb_sign_info *si, bool must_be_ok);
      void (*free_signing_context)(struct smb_sign_info *si);
      void *signing_context;

      bool negotiated_smb_signing;
      bool allow_smb_signing;
      bool doing_signing;
      bool mandatory_signing;
      bool seen_valid; /* Have I ever seen a validly signed packet? */
} smb_sign_info;

struct ea_struct {
      uint8 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."

#define UUID_SIZE 16

#define UUID_FLAT_SIZE 16
typedef struct uuid_flat {
      uint8 info[UUID_FLAT_SIZE];
} UUID_FLAT;

/* map readonly options */
enum mapreadonly_options {MAP_READONLY_NO, MAP_READONLY_YES, MAP_READONLY_PERMISSIONS};

/* 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
};

/* 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 samba_magic;           /* Always SAMBA_EXTRA_INFO_MAGIC */
      uint32 samba_version;         /* Major/Minor/Release/Revision */
      uint32 samba_subversion;      /* Prerelease/RC/Vendor patch */
      NTTIME samba_gitcommitdate;
      char   samba_version_string[SAMBA_EXTENDED_INFO_VERSION_STRING_LENGTH];
};

#endif /* _SMB_H */

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