include/linux/ncp_fs.h

   1 /*
   2  *  ncp_fs.h
   3  *
   4  *  Copyright (C) 1995, 1996 by Volker Lendecke
   5  *
   6  */
   7
   8 #ifndef _LINUX_NCP_FS_H
   9 #define _LINUX_NCP_FS_H
  10
  11 #include <linux/fs.h>
  12 #include <linux/in.h>
  13 #include <linux/types.h>
  14
  15 #include <linux/ipx.h>
  16 #include <linux/ncp_no.h>
  17
  18 /*
  19  * ioctl commands
  20  */
  21
  22 struct ncp_ioctl_request {
  23         unsigned int function;
  24         unsigned int size;
  25         char *data;
  26 };
  27
  28 struct ncp_fs_info {
  29         int version;
  30         struct sockaddr_ipx addr;
  31         __kernel_uid_t mounted_uid;
  32         int connection;         /* Connection number the server assigned us */
  33         int buffer_size;        /* The negotiated buffer size, to be
  34                                    used for read/write requests! */
  35
  36         int volume_number;
  37         __u32 directory_id;
  38 };
  39
  40 struct ncp_fs_info_v2 {
  41         int version;
  42         unsigned long mounted_uid;
  43         unsigned int connection;
  44         unsigned int buffer_size;
  45
  46         unsigned int volume_number;
  47         __u32 directory_id;
  48
  49         __u32 dummy1;
  50         __u32 dummy2;
  51         __u32 dummy3;
  52 };
  53
  54 struct ncp_sign_init
  55 {
  56         char sign_root[8];
  57         char sign_last[16];
  58 };
  59
  60 struct ncp_lock_ioctl
  61 {
  62 #define NCP_LOCK_LOG    0
  63 #define NCP_LOCK_SH     1
  64 #define NCP_LOCK_EX     2
  65 #define NCP_LOCK_CLEAR  256
  66         int             cmd;
  67         int             origin;
  68         unsigned int    offset;
  69         unsigned int    length;
  70 #define NCP_LOCK_DEFAULT_TIMEOUT        18
  71 #define NCP_LOCK_MAX_TIMEOUT            180
  72         int             timeout;
  73 };
  74
  75 struct ncp_setroot_ioctl
  76 {
  77         int             volNumber;
  78         int             namespace;
  79         __u32           dirEntNum;
  80 };
  81
  82 struct ncp_objectname_ioctl
  83 {
  84 #define NCP_AUTH_NONE   0x00
  85 #define NCP_AUTH_BIND   0x31
  86 #define NCP_AUTH_NDS    0x32
  87         int             auth_type;
  88         size_t          object_name_len;
  89         void*           object_name;    /* an userspace data, in most cases user name */
  90 };
  91
  92 struct ncp_privatedata_ioctl
  93 {
  94         size_t          len;
  95         void*           data;           /* ~1000 for NDS */
  96 };
  97
  98 /* NLS charsets by ioctl */
  99 #define NCP_IOCSNAME_LEN 20
 100 struct ncp_nls_ioctl
 101 {
 102         unsigned char codepage[NCP_IOCSNAME_LEN+1];
 103         unsigned char iocharset[NCP_IOCSNAME_LEN+1];
 104 };
 105
 106 #define NCP_IOC_NCPREQUEST              _IOR('n', 1, struct ncp_ioctl_request)
 107 #define NCP_IOC_GETMOUNTUID             _IOW('n', 2, __kernel_old_uid_t)
 108 #define NCP_IOC_GETMOUNTUID2            _IOW('n', 2, unsigned long)
 109
 110 #define NCP_IOC_CONN_LOGGED_IN          _IO('n', 3)
 111
 112 #define NCP_GET_FS_INFO_VERSION    (1)
 113 #define NCP_IOC_GET_FS_INFO             _IOWR('n', 4, struct ncp_fs_info)
 114 #define NCP_GET_FS_INFO_VERSION_V2 (2)
 115 #define NCP_IOC_GET_FS_INFO_V2          _IOWR('n', 4, struct ncp_fs_info_v2)
 116
 117 #define NCP_IOC_SIGN_INIT               _IOR('n', 5, struct ncp_sign_init)
 118 #define NCP_IOC_SIGN_WANTED             _IOR('n', 6, int)
 119 #define NCP_IOC_SET_SIGN_WANTED         _IOW('n', 6, int)
 120
 121 #define NCP_IOC_LOCKUNLOCK              _IOR('n', 7, struct ncp_lock_ioctl)
 122
 123 #define NCP_IOC_GETROOT                 _IOW('n', 8, struct ncp_setroot_ioctl)
 124 #define NCP_IOC_SETROOT                 _IOR('n', 8, struct ncp_setroot_ioctl)
 125
 126 #define NCP_IOC_GETOBJECTNAME           _IOWR('n', 9, struct ncp_objectname_ioctl)
 127 #define NCP_IOC_SETOBJECTNAME           _IOR('n', 9, struct ncp_objectname_ioctl)
 128 #define NCP_IOC_GETPRIVATEDATA          _IOWR('n', 10, struct ncp_privatedata_ioctl)
 129 #define NCP_IOC_SETPRIVATEDATA          _IOR('n', 10, struct ncp_privatedata_ioctl)
 130
 131 #define NCP_IOC_GETCHARSETS             _IOWR('n', 11, struct ncp_nls_ioctl)
 132 #define NCP_IOC_SETCHARSETS             _IOR('n', 11, struct ncp_nls_ioctl)
 133
 134 #define NCP_IOC_GETDENTRYTTL            _IOW('n', 12, __u32)
 135 #define NCP_IOC_SETDENTRYTTL            _IOR('n', 12, __u32)
 136
 137 /*
 138  * The packet size to allocate. One page should be enough.
 139  */
 140 #define NCP_PACKET_SIZE 4070
 141
 142 #define NCP_MAXPATHLEN 255
 143 #define NCP_MAXNAMELEN 14
 144
 145 #ifdef __KERNEL__
 146
 147 #include <linux/config.h>
 148
 149 /* undef because public define in umsdos_fs.h (ncp_fs.h isn't public) */
 150 #undef PRINTK
 151 /* define because it is easy to change PRINTK to {*}PRINTK */
 152 #define PRINTK(format, args...) printk(KERN_DEBUG format , ## args)
 153
 154 #undef NCPFS_PARANOIA
 155 #ifdef NCPFS_PARANOIA
 156 #define PPRINTK(format, args...) PRINTK(format , ## args)
 157 #else
 158 #define PPRINTK(format, args...)
 159 #endif
 160
 161 #ifndef DEBUG_NCP
 162 #define DEBUG_NCP 0
 163 #endif
 164 #if DEBUG_NCP > 0
 165 #define DPRINTK(format, args...) PRINTK(format , ## args)
 166 #else
 167 #define DPRINTK(format, args...)
 168 #endif
 169 #if DEBUG_NCP > 1
 170 #define DDPRINTK(format, args...) PRINTK(format , ## args)
 171 #else
 172 #define DDPRINTK(format, args...)
 173 #endif
 174
 175 #define NCP_MAX_RPC_TIMEOUT (6*HZ)
 176
 177
 178 struct ncp_entry_info {
 179         struct nw_info_struct   i;
 180         ino_t                   ino;
 181         int                     opened;
 182         int                     access;
 183         __u32                   server_file_handle __attribute__((packed));
 184         __u8                    open_create_action __attribute__((packed));
 185         __u8                    file_handle[6] __attribute__((packed));
 186 };
 187
 188 /* Guess, what 0x564c is :-) */
 189 #define NCP_SUPER_MAGIC  0x564c
 190
 191
 192 #define NCP_SBP(sb)             (&((sb)->u.ncpfs_sb))
 193
 194 #define NCP_SERVER(inode)       NCP_SBP((inode)->i_sb)
 195 #define NCP_FINFO(inode)        (&((inode)->u.ncpfs_i))
 196
 197 #ifdef DEBUG_NCP_MALLOC
 198
 199 #include <linux/malloc.h>
 200
 201 extern int ncp_malloced;
 202 extern int ncp_current_malloced;
 203
 204 static inline void *
 205  ncp_kmalloc(unsigned int size, int priority)
 206 {
 207         ncp_malloced += 1;
 208         ncp_current_malloced += 1;
 209         return kmalloc(size, priority);
 210 }
 211
 212 static inline void ncp_kfree_s(void *obj, int size)
 213 {
 214         ncp_current_malloced -= 1;
 215         kfree_s(obj, size);
 216 }
 217
 218 #else                           /* DEBUG_NCP_MALLOC */
 219
 220 #define ncp_kmalloc(s,p) kmalloc(s,p)
 221 #define ncp_kfree_s(o,s) kfree_s(o,s)
 222
 223 #endif                          /* DEBUG_NCP_MALLOC */
 224
 225 /* linux/fs/ncpfs/inode.c */
 226 int ncp_notify_change(struct dentry *, struct iattr *);
 227 struct super_block *ncp_read_super(struct super_block *, void *, int);
 228 struct inode *ncp_iget(struct super_block *, struct ncp_entry_info *);
 229 void ncp_update_inode(struct inode *, struct ncp_entry_info *);
 230 void ncp_update_inode2(struct inode *, struct ncp_entry_info *);
 231 extern int init_ncp_fs(void);
 232
 233 /* linux/fs/ncpfs/dir.c */
 234 extern struct inode_operations ncp_dir_inode_operations;
 235 int ncp_conn_logged_in(struct super_block *);
 236 int ncp_date_dos2unix(__u16 time, __u16 date);
 237 void ncp_date_unix2dos(int unix_date, __u16 * time, __u16 * date);
 238
 239 /* linux/fs/ncpfs/ioctl.c */
 240 int ncp_ioctl(struct inode *, struct file *, unsigned int, unsigned long);
 241
 242 /* linux/fs/ncpfs/sock.c */
 243 int ncp_request2(struct ncp_server *server, int function,
 244         void* reply, int max_reply_size);
 245 static int inline ncp_request(struct ncp_server *server, int function) {
 246         return ncp_request2(server, function, server->packet, server->packet_size);
 247 }
 248 int ncp_connect(struct ncp_server *server);
 249 int ncp_disconnect(struct ncp_server *server);
 250 void ncp_lock_server(struct ncp_server *server);
 251 void ncp_unlock_server(struct ncp_server *server);
 252
 253 /* linux/fs/ncpfs/file.c */
 254 extern struct inode_operations ncp_file_inode_operations;
 255 int ncp_make_open(struct inode *, int);
 256
 257 /* linux/fs/ncpfs/mmap.c */
 258 int ncp_mmap(struct file *, struct vm_area_struct *);
 259
 260 /* linux/fs/ncpfs/ncplib_kernel.c */
 261 int ncp_make_closed(struct inode *);
 262
 263 #define ncp_namespace(i)        (NCP_SERVER(i)->name_space[NCP_FINFO(i)->volNumber])
 264
 265 static inline int ncp_preserve_entry_case(struct inode *i, __u32 nscreator)
 266 {
 267 #ifdef CONFIG_NCPFS_SMALLDOS
 268         int ns = ncp_namespace(i);
 269
 270         if ((ns == NW_NS_DOS)
 271 #ifdef CONFIG_NCPFS_OS2_NS
 272                 || ((ns == NW_NS_OS2) && (nscreator == NW_NS_DOS))
 273 #endif /* CONFIG_NCPFS_OS2_NS */
 274                                 )
 275                 return 0;
 276 #endif /* CONFIG_NCPFS_SMALLDOS */
 277         return 1;
 278 }
 279
 280 #define ncp_preserve_case(i)    (ncp_namespace(i) != NW_NS_DOS)
 281
 282 static inline int ncp_case_sensitive(struct inode *i)
 283 {
 284 #ifdef CONFIG_NCPFS_NFS_NS
 285         return ncp_namespace(i) == NW_NS_NFS;
 286 #else
 287         return 0;
 288 #endif  /* CONFIG_NCPFS_NFS_NS */
 289 }
 290
 291 #endif                          /* __KERNEL__ */
 292
 293 #endif                          /* _LINUX_NCP_FS_H */