fs/cifs/cifsproto.h

   1 /*
   2  *   fs/cifs/cifsproto.h
   3  *
   4  *   Copyright (c) International Business Machines  Corp., 2002,2005
   5  *   Author(s): Steve French (sfrench@us.ibm.com)
   6  *
   7  *   This library is free software; you can redistribute it and/or modify
   8  *   it under the terms of the GNU Lesser General Public License as published
   9  *   by the Free Software Foundation; either version 2.1 of the License, or
  10  *   (at your option) any later version.
  11  *
  12  *   This library is distributed in the hope that it will be useful,
  13  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
  15  *   the GNU Lesser General Public License for more details.
  16  *
  17  *   You should have received a copy of the GNU Lesser General Public License
  18  *   along with this library; if not, write to the Free Software
  19  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  20  */
  21 #ifndef _CIFSPROTO_H
  22 #define _CIFSPROTO_H
  23 #include <linux/nls.h>
  24
  25 struct statfs;
  26
  27 /*
  28  *****************************************************************
  29  * All Prototypes
  30  *****************************************************************
  31  */
  32
  33 extern struct smb_hdr *cifs_buf_get(void);
  34 extern void cifs_buf_release(void *);
  35 extern struct smb_hdr *cifs_small_buf_get(void);
  36 extern void cifs_small_buf_release(void *);
  37 extern int smb_send(struct socket *, struct smb_hdr *,
  38                         unsigned int /* length */ , struct sockaddr *);
  39 extern unsigned int _GetXid(void);
  40 extern void _FreeXid(unsigned int);
  41 #define GetXid() (int)_GetXid(); cFYI(1,("CIFS VFS: in %s as Xid: %d with uid: %d",__FUNCTION__, xid,current->fsuid));
  42 #define FreeXid(curr_xid) {_FreeXid(curr_xid); cFYI(1,("CIFS VFS: leaving %s (xid = %d) rc = %d",__FUNCTION__,curr_xid,(int)rc));}
  43 extern char *build_path_from_dentry(struct dentry *);
  44 extern char *build_wildcard_path_from_dentry(struct dentry *direntry);
  45 extern void renew_parental_timestamps(struct dentry *direntry);
  46 extern int SendReceive(const unsigned int /* xid */ , struct cifsSesInfo *,
  47                         struct smb_hdr * /* input */ ,
  48                         struct smb_hdr * /* out */ ,
  49                         int * /* bytes returned */ , const int long_op);
  50 extern int checkSMBhdr(struct smb_hdr *smb, __u16 mid);
  51 extern int checkSMB(struct smb_hdr *smb, __u16 mid, int length);
  52 extern int is_valid_oplock_break(struct smb_hdr *smb);
  53 extern int is_size_safe_to_change(struct cifsInodeInfo *);
  54 extern unsigned int smbCalcSize(struct smb_hdr *ptr);
  55 extern int decode_negTokenInit(unsigned char *security_blob, int length,
  56                         enum securityEnum *secType);
  57 extern int cifs_inet_pton(int, char * source, void *dst);
  58 extern int map_smb_to_linux_error(struct smb_hdr *smb);
  59 extern void header_assemble(struct smb_hdr *, char /* command */ ,
  60                         const struct cifsTconInfo *, int /* specifies length
  61                             of fixed section (word count) in two byte units */
  62                         );
  63 extern struct oplock_q_entry * AllocOplockQEntry(struct inode *, u16,
  64                                                  struct cifsTconInfo *);
  65 extern void DeleteOplockQEntry(struct oplock_q_entry *);
  66 extern struct timespec cifs_NTtimeToUnix(u64 /* utc nanoseconds since 1601 */ );
  67 extern u64 cifs_UnixTimeToNT(struct timespec);
  68 extern int cifs_get_inode_info(struct inode **pinode,
  69                         const unsigned char *search_path,
  70                         FILE_ALL_INFO * pfile_info,
  71                         struct super_block *sb, int xid);
  72 extern int cifs_get_inode_info_unix(struct inode **pinode,
  73                         const unsigned char *search_path,
  74                         struct super_block *sb,int xid);
  75
  76 extern int cifs_mount(struct super_block *, struct cifs_sb_info *, char *,
  77                         const char *);
  78 extern int cifs_umount(struct super_block *, struct cifs_sb_info *);
  79 void cifs_proc_init(void);
  80 void cifs_proc_clean(void);
  81
  82 extern int cifs_setup_session(unsigned int xid, struct cifsSesInfo *pSesInfo,
  83                         struct nls_table * nls_info);
  84 extern int CIFSSMBNegotiate(unsigned int xid, struct cifsSesInfo *ses);
  85
  86 extern int CIFSTCon(unsigned int xid, struct cifsSesInfo *ses,
  87                         const char *tree, struct cifsTconInfo *tcon,
  88                         const struct nls_table *);
  89
  90 extern int CIFSFindFirst(const int xid, struct cifsTconInfo *tcon,
  91             const char *searchName, const struct nls_table *nls_codepage,
  92             __u16 *searchHandle, struct cifs_search_info * psrch_inf, int map);
  93
  94 extern int CIFSFindNext(const int xid, struct cifsTconInfo *tcon,
  95             __u16 searchHandle, struct cifs_search_info * psrch_inf);
  96
  97 extern int CIFSFindClose(const int, struct cifsTconInfo *tcon,
  98                         const __u16 search_handle);
  99
 100 extern int CIFSSMBQPathInfo(const int xid, struct cifsTconInfo *tcon,
 101                         const unsigned char *searchName,
 102                         FILE_ALL_INFO * findData,
 103                         const struct nls_table *nls_codepage, int remap);
 104
 105 extern int CIFSSMBUnixQPathInfo(const int xid,
 106                         struct cifsTconInfo *tcon,
 107                         const unsigned char *searchName,
 108                         FILE_UNIX_BASIC_INFO * pFindData,
 109                         const struct nls_table *nls_codepage, int remap);
 110
 111 extern int CIFSGetDFSRefer(const int xid, struct cifsSesInfo *ses,
 112                         const unsigned char *searchName,
 113                         unsigned char **targetUNCs,
 114                         unsigned int *number_of_UNC_in_array,
 115                         const struct nls_table *nls_codepage, int remap);
 116
 117 extern int connect_to_dfs_path(int xid, struct cifsSesInfo *pSesInfo,
 118                         const char *old_path,
 119                         const struct nls_table *nls_codepage, int remap);
 120 extern int get_dfs_path(int xid, struct cifsSesInfo *pSesInfo,
 121                         const char *old_path,
 122                         const struct nls_table *nls_codepage,
 123                         unsigned int *pnum_referrals,
 124                         unsigned char ** preferrals,
 125                         int remap);
 126 extern int CIFSSMBQFSInfo(const int xid, struct cifsTconInfo *tcon,
 127                         struct kstatfs *FSData);
 128 extern int CIFSSMBQFSAttributeInfo(const int xid,
 129                         struct cifsTconInfo *tcon);
 130 extern int CIFSSMBQFSDeviceInfo(const int xid, struct cifsTconInfo *tcon);
 131 extern int CIFSSMBQFSUnixInfo(const int xid, struct cifsTconInfo *tcon);
 132 extern int CIFSSMBQFSPosixInfo(const int xid, struct cifsTconInfo *tcon,
 133                         struct kstatfs *FSData);
 134
 135 extern int CIFSSMBSetTimes(const int xid, struct cifsTconInfo *tcon,
 136                         const char *fileName, const FILE_BASIC_INFO * data,
 137                         const struct nls_table *nls_codepage,
 138                         int remap_special_chars);
 139 extern int CIFSSMBSetFileTimes(const int xid, struct cifsTconInfo *tcon,
 140                         const FILE_BASIC_INFO * data, __u16 fid);
 141 #if 0
 142 extern int CIFSSMBSetAttrLegacy(int xid, struct cifsTconInfo *tcon,
 143                         char *fileName, __u16 dos_attributes,
 144                         const struct nls_table *nls_codepage);
 145 #endif /* possibly unneeded function */
 146 extern int CIFSSMBSetEOF(const int xid, struct cifsTconInfo *tcon,
 147                         const char *fileName, __u64 size,
 148                         int setAllocationSizeFlag,
 149                         const struct nls_table *nls_codepage,
 150                         int remap_special_chars);
 151 extern int CIFSSMBSetFileSize(const int xid, struct cifsTconInfo *tcon,
 152                          __u64 size, __u16 fileHandle,__u32 opener_pid,
 153                         int AllocSizeFlag);
 154 extern int CIFSSMBUnixSetPerms(const int xid, struct cifsTconInfo *pTcon,
 155                         char *full_path, __u64 mode, __u64 uid,
 156                         __u64 gid, dev_t dev,
 157                         const struct nls_table *nls_codepage,
 158                         int remap_special_chars);
 159
 160 extern int CIFSSMBMkDir(const int xid, struct cifsTconInfo *tcon,
 161                         const char *newName,
 162                         const struct nls_table *nls_codepage,
 163                         int remap_special_chars);
 164 extern int CIFSSMBRmDir(const int xid, struct cifsTconInfo *tcon,
 165                         const char *name, const struct nls_table *nls_codepage,
 166                         int remap_special_chars);
 167
 168 extern int CIFSSMBDelFile(const int xid, struct cifsTconInfo *tcon,
 169                         const char *name,
 170                         const struct nls_table *nls_codepage,
 171                         int remap_special_chars);
 172 extern int CIFSSMBRename(const int xid, struct cifsTconInfo *tcon,
 173                         const char *fromName, const char *toName,
 174                         const struct nls_table *nls_codepage,
 175                         int remap_special_chars);
 176 extern int CIFSSMBRenameOpenFile(const int xid,struct cifsTconInfo *pTcon,
 177                         int netfid, char * target_name,
 178                         const struct nls_table *nls_codepage,
 179                         int remap_special_chars);
 180 extern int CIFSCreateHardLink(const int xid,
 181                         struct cifsTconInfo *tcon,
 182                         const char *fromName, const char *toName,
 183                         const struct nls_table *nls_codepage,
 184                         int remap_special_chars);
 185 extern int CIFSUnixCreateHardLink(const int xid,
 186                         struct cifsTconInfo *tcon,
 187                         const char *fromName, const char *toName,
 188                         const struct nls_table *nls_codepage,
 189                         int remap_special_chars);
 190 extern int CIFSUnixCreateSymLink(const int xid,
 191                         struct cifsTconInfo *tcon,
 192                         const char *fromName, const char *toName,
 193                         const struct nls_table *nls_codepage);
 194 extern int CIFSSMBUnixQuerySymLink(const int xid,
 195                         struct cifsTconInfo *tcon,
 196                         const unsigned char *searchName,
 197                         char *syminfo, const int buflen,
 198                         const struct nls_table *nls_codepage);
 199 extern int CIFSSMBQueryReparseLinkInfo(const int xid,
 200                         struct cifsTconInfo *tcon,
 201                         const unsigned char *searchName,
 202                         char *symlinkinfo, const int buflen, __u16 fid,
 203                         const struct nls_table *nls_codepage);
 204
 205 extern int CIFSSMBOpen(const int xid, struct cifsTconInfo *tcon,
 206                         const char *fileName, const int disposition,
 207                         const int access_flags, const int omode,
 208                         __u16 * netfid, int *pOplock, FILE_ALL_INFO *,
 209                         const struct nls_table *nls_codepage, int remap);
 210 extern int CIFSSMBClose(const int xid, struct cifsTconInfo *tcon,
 211                         const int smb_file_id);
 212
 213 extern int CIFSSMBRead(const int xid, struct cifsTconInfo *tcon,
 214                         const int netfid, unsigned int count,
 215                         const __u64 lseek, unsigned int *nbytes, char **buf);
 216 extern int CIFSSMBWrite(const int xid, struct cifsTconInfo *tcon,
 217                         const int netfid, const unsigned int count,
 218                         const __u64 lseek, unsigned int *nbytes,
 219                         const char *buf, const char __user *ubuf,
 220                         const int long_op);
 221 #ifdef CONFIG_CIFS_EXPERIMENTAL
 222 extern int CIFSSMBWrite2(const int xid, struct cifsTconInfo *tcon,
 223                         const int netfid, const unsigned int count,
 224                         const __u64 offset, unsigned int *nbytes,
 225                         const char __user *buf,const int long_op);
 226 extern int CIFSGetSrvInodeNumber(const int xid, struct cifsTconInfo *tcon,
 227                         const unsigned char *searchName, __u64 * inode_number,
 228                         const struct nls_table *nls_codepage,
 229                         int remap_special_chars);
 230 #endif /* CONFIG_CIFS_EXPERIMENTAL */
 231 extern int cifs_convertUCSpath(char *target, const __le16 *source, int maxlen,
 232                         const struct nls_table * codepage);
 233 extern int cifsConvertToUCS(__le16 * target, const char *source, int maxlen,
 234                         const struct nls_table * cp, int mapChars);
 235
 236 extern int CIFSSMBLock(const int xid, struct cifsTconInfo *tcon,
 237                         const __u16 netfid, const __u64 len,
 238                         const __u64 offset, const __u32 numUnlock,
 239                         const __u32 numLock, const __u8 lockType,
 240                         const int waitFlag);
 241
 242 extern int CIFSSMBTDis(const int xid, struct cifsTconInfo *tcon);
 243 extern int CIFSSMBLogoff(const int xid, struct cifsSesInfo *ses);
 244
 245 extern struct cifsSesInfo *sesInfoAlloc(void);
 246 extern void sesInfoFree(struct cifsSesInfo *);
 247 extern struct cifsTconInfo *tconInfoAlloc(void);
 248 extern void tconInfoFree(struct cifsTconInfo *);
 249
 250 extern int cifs_reconnect(struct TCP_Server_Info *server);
 251
 252 extern int cifs_sign_smb(struct smb_hdr *, struct TCP_Server_Info *,__u32 *);
 253 extern int cifs_verify_signature(struct smb_hdr *, const char * mac_key,
 254         __u32 expected_sequence_number);
 255 extern int cifs_calculate_mac_key(char * key,const char * rn,const char * pass);
 256 extern int CalcNTLMv2_partial_mac_key(struct cifsSesInfo *, struct nls_table *);
 257 extern void CalcNTLMv2_response(const struct cifsSesInfo *,char * );
 258 extern int CIFSSMBCopy(int xid,
 259                         struct cifsTconInfo *source_tcon,
 260                         const char *fromName,
 261                         const __u16 target_tid,
 262                         const char *toName, const int flags,
 263                         const struct nls_table *nls_codepage,
 264                         int remap_special_chars);
 265 extern int CIFSSMBNotify(const int xid, struct cifsTconInfo *tcon,
 266                         const int notify_subdirs,const __u16 netfid,
 267                         __u32 filter, const struct nls_table *nls_codepage);
 268 extern ssize_t CIFSSMBQAllEAs(const int xid, struct cifsTconInfo *tcon,
 269                         const unsigned char *searchName, char * EAData,
 270                         size_t bufsize, const struct nls_table *nls_codepage,
 271                         int remap_special_chars);
 272 extern ssize_t CIFSSMBQueryEA(const int xid,struct cifsTconInfo * tcon,
 273                 const unsigned char * searchName,const unsigned char * ea_name,
 274                 unsigned char * ea_value, size_t buf_size,
 275                 const struct nls_table *nls_codepage, int remap_special_chars);
 276 extern int CIFSSMBSetEA(const int xid, struct cifsTconInfo *tcon,
 277                 const char *fileName, const char * ea_name,
 278                 const void * ea_value, const __u16 ea_value_len,
 279                 const struct nls_table *nls_codepage, int remap_special_chars);
 280 extern int CIFSSMBGetPosixACL(const int xid, struct cifsTconInfo *tcon,
 281                 const unsigned char *searchName,
 282                 char *acl_inf, const int buflen,const int acl_type,
 283                 const struct nls_table *nls_codepage, int remap_special_chars);
 284 extern int CIFSSMBSetPosixACL(const int xid, struct cifsTconInfo *tcon,
 285                 const unsigned char *fileName,
 286                 const char *local_acl, const int buflen, const int acl_type,
 287                 const struct nls_table *nls_codepage, int remap_special_chars);
 288 extern int CIFSGetExtAttr(const int xid, struct cifsTconInfo *tcon,
 289                 const int netfid, __u64 * pExtAttrBits, __u64 *pMask);
 290 #endif                  /* _CIFSPROTO_H */