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 #include <linux/magic.h>
  15
  16 #include <linux/ipx.h>
  17 #include <linux/ncp_no.h>
  18
  19 /*
  20  * ioctl commands
  21  */
  22
  23 struct ncp_ioctl_request {
  24         unsigned int function;
  25         unsigned int size;
  26         char __user *data;
  27 };
  28
  29 struct ncp_fs_info {
  30         int version;
  31         struct sockaddr_ipx addr;
  32         __kernel_uid_t mounted_uid;
  33         int connection;         /* Connection number the server assigned us */
  34         int buffer_size;        /* The negotiated buffer size, to be
  35                                    used for read/write requests! */
  36
  37         int volume_number;
  38         __le32 directory_id;
  39 };
  40
  41 struct ncp_fs_info_v2 {
  42         int version;
  43         unsigned long mounted_uid;
  44         unsigned int connection;
  45         unsigned int buffer_size;
  46
  47         unsigned int volume_number;
  48         __le32 directory_id;
  49
  50         __u32 dummy1;
  51         __u32 dummy2;
  52         __u32 dummy3;
  53 };
  54
  55 struct ncp_sign_init
  56 {
  57         char sign_root[8];
  58         char sign_last[16];
  59 };
  60
  61 struct ncp_lock_ioctl
  62 {
  63 #define NCP_LOCK_LOG    0
  64 #define NCP_LOCK_SH     1
  65 #define NCP_LOCK_EX     2
  66 #define NCP_LOCK_CLEAR  256
  67         int             cmd;
  68         int             origin;
  69         unsigned int    offset;
  70         unsigned int    length;
  71 #define NCP_LOCK_DEFAULT_TIMEOUT        18
  72 #define NCP_LOCK_MAX_TIMEOUT            180
  73         int             timeout;
  74 };
  75
  76 struct ncp_setroot_ioctl
  77 {
  78         int             volNumber;
  79         int             namespace;
  80         __le32          dirEntNum;
  81 };
  82
  83 struct ncp_objectname_ioctl
  84 {
  85 #define NCP_AUTH_NONE   0x00
  86 #define NCP_AUTH_BIND   0x31
  87 #define NCP_AUTH_NDS    0x32
  88         int             auth_type;
  89         size_t          object_name_len;
  90         void __user *   object_name;    /* a userspace data, in most cases user name */
  91 };
  92
  93 struct ncp_privatedata_ioctl
  94 {
  95         size_t          len;
  96         void __user *   data;           /* ~1000 for NDS */
  97 };
  98
  99 /* NLS charsets by ioctl */
 100 #define NCP_IOCSNAME_LEN 20
 101 struct ncp_nls_ioctl
 102 {
 103         unsigned char codepage[NCP_IOCSNAME_LEN+1];
 104         unsigned char iocharset[NCP_IOCSNAME_LEN+1];
 105 };
 106
 107 #define NCP_IOC_NCPREQUEST              _IOR('n', 1, struct ncp_ioctl_request)
 108 #define NCP_IOC_GETMOUNTUID             _IOW('n', 2, __kernel_old_uid_t)
 109 #define NCP_IOC_GETMOUNTUID2            _IOW('n', 2, unsigned long)
 110
 111 #define NCP_IOC_CONN_LOGGED_IN          _IO('n', 3)
 112
 113 #define NCP_GET_FS_INFO_VERSION    (1)
 114 #define NCP_IOC_GET_FS_INFO             _IOWR('n', 4, struct ncp_fs_info)
 115 #define NCP_GET_FS_INFO_VERSION_V2 (2)
 116 #define NCP_IOC_GET_FS_INFO_V2          _IOWR('n', 4, struct ncp_fs_info_v2)
 117
 118 #define NCP_IOC_SIGN_INIT               _IOR('n', 5, struct ncp_sign_init)
 119 #define NCP_IOC_SIGN_WANTED             _IOR('n', 6, int)
 120 #define NCP_IOC_SET_SIGN_WANTED         _IOW('n', 6, int)
 121
 122 #define NCP_IOC_LOCKUNLOCK              _IOR('n', 7, struct ncp_lock_ioctl)
 123
 124 #define NCP_IOC_GETROOT                 _IOW('n', 8, struct ncp_setroot_ioctl)
 125 #define NCP_IOC_SETROOT                 _IOR('n', 8, struct ncp_setroot_ioctl)
 126
 127 #define NCP_IOC_GETOBJECTNAME           _IOWR('n', 9, struct ncp_objectname_ioctl)
 128 #define NCP_IOC_SETOBJECTNAME           _IOR('n', 9, struct ncp_objectname_ioctl)
 129 #define NCP_IOC_GETPRIVATEDATA          _IOWR('n', 10, struct ncp_privatedata_ioctl)
 130 #define NCP_IOC_SETPRIVATEDATA          _IOR('n', 10, struct ncp_privatedata_ioctl)
 131
 132 #define NCP_IOC_GETCHARSETS             _IOWR('n', 11, struct ncp_nls_ioctl)
 133 #define NCP_IOC_SETCHARSETS             _IOR('n', 11, struct ncp_nls_ioctl)
 134
 135 #define NCP_IOC_GETDENTRYTTL            _IOW('n', 12, __u32)
 136 #define NCP_IOC_SETDENTRYTTL            _IOR('n', 12, __u32)
 137
 138 /*
 139  * The packet size to allocate. One page should be enough.
 140  */
 141 #define NCP_PACKET_SIZE 4070
 142
 143 #define NCP_MAXPATHLEN 255
 144 #define NCP_MAXNAMELEN 14
 145
 146 #ifdef __KERNEL__
 147
 148 #include <linux/ncp_fs_i.h>
 149 #include <linux/ncp_fs_sb.h>
 150
 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         unsigned int            volume;
 184         __u8                    file_handle[6];
 185 };
 186
 187 static inline struct ncp_server *NCP_SBP(struct super_block *sb)
 188 {
 189         return sb->s_fs_info;
 190 }
 191
 192 #define NCP_SERVER(inode)       NCP_SBP((inode)->i_sb)
 193 static inline struct ncp_inode_info *NCP_FINFO(struct inode *inode)
 194 {
 195         return container_of(inode, struct ncp_inode_info, vfs_inode);
 196 }
 197
 198 /* linux/fs/ncpfs/inode.c */
 199 int ncp_notify_change(struct dentry *, struct iattr *);
 200 struct inode *ncp_iget(struct super_block *, struct ncp_entry_info *);
 201 void ncp_update_inode(struct inode *, struct ncp_entry_info *);
 202 void ncp_update_inode2(struct inode *, struct ncp_entry_info *);
 203
 204 /* linux/fs/ncpfs/dir.c */
 205 extern const struct inode_operations ncp_dir_inode_operations;
 206 extern const struct file_operations ncp_dir_operations;
 207 extern struct dentry_operations ncp_root_dentry_operations;
 208 int ncp_conn_logged_in(struct super_block *);
 209 int ncp_date_dos2unix(__le16 time, __le16 date);
 210 void ncp_date_unix2dos(int unix_date, __le16 * time, __le16 * date);
 211
 212 /* linux/fs/ncpfs/ioctl.c */
 213 int ncp_ioctl(struct inode *, struct file *, unsigned int, unsigned long);
 214 long ncp_compat_ioctl(struct file *, unsigned int, unsigned long);
 215
 216 /* linux/fs/ncpfs/sock.c */
 217 int ncp_request2(struct ncp_server *server, int function,
 218         void* reply, int max_reply_size);
 219 static inline int ncp_request(struct ncp_server *server, int function) {
 220         return ncp_request2(server, function, server->packet, server->packet_size);
 221 }
 222 int ncp_connect(struct ncp_server *server);
 223 int ncp_disconnect(struct ncp_server *server);
 224 void ncp_lock_server(struct ncp_server *server);
 225 void ncp_unlock_server(struct ncp_server *server);
 226
 227 /* linux/fs/ncpfs/symlink.c */
 228 #if defined(CONFIG_NCPFS_EXTRAS) || defined(CONFIG_NCPFS_NFS_NS)
 229 extern const struct address_space_operations ncp_symlink_aops;
 230 int ncp_symlink(struct inode*, struct dentry*, const char*);
 231 #endif
 232
 233 /* linux/fs/ncpfs/file.c */
 234 extern const struct inode_operations ncp_file_inode_operations;
 235 extern const struct file_operations ncp_file_operations;
 236 int ncp_make_open(struct inode *, int);
 237
 238 /* linux/fs/ncpfs/mmap.c */
 239 int ncp_mmap(struct file *, struct vm_area_struct *);
 240
 241 /* linux/fs/ncpfs/ncplib_kernel.c */
 242 int ncp_make_closed(struct inode *);
 243
 244 #define ncp_namespace(i)        (NCP_SERVER(i)->name_space[NCP_FINFO(i)->volNumber])
 245
 246 static inline int ncp_preserve_entry_case(struct inode *i, __u32 nscreator)
 247 {
 248 #ifdef CONFIG_NCPFS_SMALLDOS
 249         int ns = ncp_namespace(i);
 250
 251         if ((ns == NW_NS_DOS)
 252 #ifdef CONFIG_NCPFS_OS2_NS
 253                 || ((ns == NW_NS_OS2) && (nscreator == NW_NS_DOS))
 254 #endif /* CONFIG_NCPFS_OS2_NS */
 255                                 )
 256                 return 0;
 257 #endif /* CONFIG_NCPFS_SMALLDOS */
 258         return 1;
 259 }
 260
 261 #define ncp_preserve_case(i)    (ncp_namespace(i) != NW_NS_DOS)
 262
 263 static inline int ncp_case_sensitive(struct inode *i)
 264 {
 265 #ifdef CONFIG_NCPFS_NFS_NS
 266         return ncp_namespace(i) == NW_NS_NFS;
 267 #else
 268         return 0;
 269 #endif  /* CONFIG_NCPFS_NFS_NS */
 270 }
 271
 272 #endif                          /* __KERNEL__ */
 273
 274 #endif                          /* _LINUX_NCP_FS_H */