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authorTim Potter <tpot@samba.org>1999-04-04 05:29:41 +0000
committerTim Potter <tpot@samba.org>1999-04-04 05:29:41 +0000
commit9e071506a1afa1655c3587d4bafa02bdc01932cd (patch)
tree14b647ff50b897d18c3d25ac47d29f3c405b99d9 /source3
parent0309a98851e7f2537f677d87d573bcfa383de83a (diff)
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Added struct vfs_ops describing virtual filesystem operations.
Created constants for pstring and fstring lengths. (This used to be commit 6998bdbfa886de7feda96a6913024deb723ff13b)
Diffstat (limited to 'source3')
-rw-r--r--source3/include/smb.h107
1 files changed, 77 insertions, 30 deletions
diff --git a/source3/include/smb.h b/source3/include/smb.h
index edd021f4fb..aa1f743996 100644
--- a/source3/include/smb.h
+++ b/source3/include/smb.h
@@ -334,9 +334,11 @@ implemented */
#define ERRsharebufexc 36 /* share buffer exceeded */
#define ERRdiskfull 39
+#define PSTRING_LEN 1024
+#define FSTRING_LEN 128
-typedef char pstring[1024];
-typedef char fstring[128];
+typedef char pstring[PSTRING_LEN];
+typedef char fstring[FSTRING_LEN];
/* pipe string names */
#define PIPE_LANMAN "\\PIPE\\LANMAN"
@@ -575,6 +577,77 @@ typedef struct file_fd_struct
BOOL delete_on_close;
} file_fd_struct;
+typedef struct files_struct
+{
+ struct files_struct *next, *prev;
+ int fnum;
+ struct connection_struct *conn;
+ file_fd_struct *fd_ptr;
+ SMB_OFF_T pos;
+ SMB_OFF_T size;
+ mode_t mode;
+ uint16 vuid;
+ char *mmap_ptr;
+ SMB_OFF_T mmap_size;
+ write_bmpx_struct *wbmpx_ptr;
+ struct timeval open_time;
+ int share_mode;
+ time_t pending_modtime;
+ BOOL open;
+ BOOL can_lock;
+ BOOL can_read;
+ BOOL can_write;
+ BOOL print_file;
+ BOOL modified;
+ BOOL granted_oplock;
+ BOOL sent_oplock_break;
+ BOOL is_directory;
+ char *fsp_name;
+} files_struct;
+
+/*
+ * Each implementation of the vfs back end needs to support the
+ * following operations.
+ */
+
+struct vfs_ops {
+
+ /* Global operations */
+
+ int (*init)(void);
+
+ /* Disk operations */
+
+ int (*connect)(struct connection_struct *conn, char *service, char *user);
+ void (*disconnect)(struct connection_struct *conn, char *service);
+ SMB_BIG_UINT (*disk_free)(char *path, SMB_BIG_UINT *bsize,
+ SMB_BIG_UINT *dfree, SMB_BIG_UINT *dsize);
+
+ /* Directory operations */
+
+ DIR *(*opendir)(char *fname);
+ struct dirent *(*readdir)(DIR *dirp);
+ int (*mkdir)(char *path, mode_t mode);
+ int (*rmdir)(char *path);
+
+ /* File operations */
+
+ int (*open)(char *fname, int flags, mode_t mode);
+ int (*close)(int fd);
+ ssize_t (*read)(int fd, char *data, size_t n);
+ ssize_t (*write)(int fd, char *data, size_t n);
+ SMB_OFF_T (*lseek)(int filedes, SMB_OFF_T offset, int whence);
+ int (*rename)(char *old, char *new);
+ void (*sync)(struct connection_struct *conn, files_struct *fsp);
+ int (*stat)(char *fname, SMB_STRUCT_STAT *sbuf);
+ int (*fstat)(int fd, SMB_STRUCT_STAT *sbuf);
+ int (*lstat)(char *path, SMB_STRUCT_STAT *sbuf);
+ BOOL (*lock)(int fd, int op, SMB_OFF_T offset, SMB_OFF_T count, int type);
+ int (*unlink)(char *path);
+ int (*chmod)(char *path, mode_t mode);
+ int (*utime)(char *path, struct utimbuf *times);
+};
+
/*
* Structure used to keep directory state information around.
* Used in NT change-notify code.
@@ -612,6 +685,8 @@ typedef struct connection_struct
char *dirpath;
char *connectpath;
char *origpath;
+ struct vfs_ops vfs_ops; /* Filesystem operations */
+
char *user; /* name of user who *opened* this connection */
uid_t uid; /* uid of user who *opened* this connection */
@@ -672,34 +747,6 @@ struct current_user
gid_t *groups;
};
-typedef struct files_struct
-{
- struct files_struct *next, *prev;
- int fnum;
- connection_struct *conn;
- file_fd_struct *fd_ptr;
- SMB_OFF_T pos;
- SMB_OFF_T size;
- mode_t mode;
- uint16 vuid;
- char *mmap_ptr;
- SMB_OFF_T mmap_size;
- write_bmpx_struct *wbmpx_ptr;
- struct timeval open_time;
- int share_mode;
- time_t pending_modtime;
- BOOL open;
- BOOL can_lock;
- BOOL can_read;
- BOOL can_write;
- BOOL print_file;
- BOOL modified;
- BOOL granted_oplock;
- BOOL sent_oplock_break;
- BOOL is_directory;
- char *fsp_name;
-} files_struct;
-
/* Domain controller authentication protocol info */
struct dcinfo
{