smb.h

samba-3.0.22.tar.gz 编译smb服务器的源码

	time_t last_write_time;
	int oplock_type;
	int sent_oplock_break;
	struct timed_event *oplock_timeout;

	struct share_mode_entry *pending_break_messages;
	int num_pending_break_messages;

	unsigned long file_id;
	BOOL can_lock;
	BOOL can_read;
	BOOL can_write;
	BOOL print_file;
	BOOL modified;
	BOOL is_directory;
	BOOL is_stat;
	BOOL aio_write_behind;
	char *fsp_name;
 	FAKE_FILE_HANDLE *fake_file_handle;
} files_struct;

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

/* 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;

/*
 * 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;

/* 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;

typedef struct connection_struct
{
	struct connection_struct *next, *prev;
	TALLOC_CTX *mem_ctx;
	unsigned cnum; /* an index passed over the wire */
	int service;
	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[18]; /* 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;
	BOOL used;
	int num_files_open;
	unsigned int num_smb_operations; /* Count of smb operations on this tree. */

	BOOL case_sensitive;
	BOOL case_preserve;
	BOOL short_case_preserve;

	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;
} connection_struct;

struct current_user
{
	connection_struct *conn;
	uint16 vuid;
	uid_t uid;
	gid_t gid;
	int ngroups;
	gid_t *groups;
	NT_USER_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 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;
	struct in_addr ip;
	struct in_addr bcast;
	struct in_addr nmask;
};

/* 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? */
	DATA_BLOB buf;
	DATA_BLOB private_data;
};

/* struct returned by get_share_modes */
struct share_mode_entry {
	struct process_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;
	SMB_DEV_T dev;
	SMB_INO_T inode;
	unsigned long share_file_id;
};

/* oplock break message definition - linearization of share_mode_entry.

Offset  Data			length.
0	struct process_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

*/
#define MSG_SMB_SHARE_MODE_ENTRY_SIZE 48

struct share_mode_lock {
	const char *servicepath; /* canonicalized. */
	const char *filename;
	SMB_DEV_T dev;
	SMB_INO_T ino;
	int num_share_modes;
	struct share_mode_entry *share_modes;
	BOOL delete_on_close;
	BOOL fresh;
	BOOL modified;
};

#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)

/*
 * 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 process_id pid;
	int cnum;
	fstring name;
};

struct connections_data {
	int magic;
	struct process_id pid;
	int cnum;
	uid_t uid;
	gid_t gid;
	char name[24];
	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_GSTRING,P_UGSTRING,P_ENUM,P_SEP
} parm_type;

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

/* passed to br lock code */
enum brl_type {READ_LOCK, WRITE_LOCK, PENDING_LOCK};

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

#define BRLOCK_FN_CAST() \
	void (*)(SMB_DEV_T dev, SMB_INO_T ino, struct process_id pid, \
				 enum brl_type lock_type, \
				 br_off start, br_off size)
#define BRLOCK_FN(fn) \
	void (*fn)(SMB_DEV_T dev, SMB_INO_T ino, struct process_id pid, \
				 enum brl_type lock_type, \
				 br_off start, br_off size)
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;
};

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

/* 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. */

#ifndef LOCKING_VERSION
#define LOCKING_VERSION 4
#endif /* LOCKING_VERSION */


/* the basic packet size, assuming no words or bytes */
#define smb_size 39

/* 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 SMBchkpth     0x10   /* check directory path */
#define SMBexit       0x11   /* process exit */
#define SMBlseek      0x12   /* seek */
#define SMBtcon       0x70   /* tree connect */