fs/cifs/cifsproto.h

   1 /*
   2  *   fs/cifs/cifsproto.h
   3  *
   4  *   Copyright (c) International Business Machines  Corp., 2002
   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 int smb_send(struct socket *, struct smb_hdr *,
  36                         unsigned int /* length */ , struct sockaddr *);
  37 extern unsigned int _GetXid(void);
  38 extern void _FreeXid(unsigned int);
  39 #define GetXid() (int)_GetXid(); cFYI(1,("CIFS VFS: in %s as Xid: %d with uid: %d",__FUNCTION__, xid,current->fsuid));
  40 #define FreeXid(curr_xid) {_FreeXid(curr_xid); cFYI(1,("CIFS VFS: leaving %s (xid = %d) rc = %d",__FUNCTION__,curr_xid,(int)rc));}
  41 extern char *build_path_from_dentry(struct dentry *);
  42 extern char *build_wildcard_path_from_dentry(struct dentry *direntry);
  43 extern void renew_parental_timestamps(struct dentry *direntry);
  44 extern int SendReceive(const unsigned int /* xid */ , struct cifsSesInfo *,
  45                         struct smb_hdr * /* input */ ,
  46                         struct smb_hdr * /* out */ ,
  47                         int * /* bytes returned */ , const int long_op);
  48 extern int checkSMBhdr(struct smb_hdr *smb, __u16 mid);
  49 extern int checkSMB(struct smb_hdr *smb, __u16 mid, int length);
  50 extern int is_valid_oplock_break(struct smb_hdr *smb);
  51 extern unsigned int smbCalcSize(struct smb_hdr *ptr);
  52 extern int decode_negTokenInit(unsigned char *security_blob, int length,
  53                         enum securityEnum *secType);
  54 extern int map_smb_to_linux_error(struct smb_hdr *smb);
  55 extern void header_assemble(struct smb_hdr *, char /* command */ ,
  56                         const struct cifsTconInfo *, int
  57                         /* length of fixed section (word count) in two byte units  */
  58                         );
  59 struct oplock_q_entry * AllocOplockQEntry(struct inode *, u16, struct cifsTconInfo *);
  60 void DeleteOplockQEntry(struct oplock_q_entry *);
  61 extern struct timespec cifs_NTtimeToUnix(u64 /* utc nanoseconds since 1601 */ );
  62 extern u64 cifs_UnixTimeToNT(struct timespec);
  63 extern int cifs_get_inode_info(struct inode **pinode,
  64                         const unsigned char *search_path,
  65                         FILE_ALL_INFO * pfile_info,
  66                         struct super_block *sb, int xid);
  67 extern int cifs_get_inode_info_unix(struct inode **pinode,
  68                         const unsigned char *search_path,
  69                         struct super_block *sb,int xid);
  70
  71 extern int cifs_setup_session(unsigned int xid, struct cifsSesInfo *pSesInfo,
  72                         struct nls_table * nls_info);
  73 extern int CIFSSMBNegotiate(unsigned int xid, struct cifsSesInfo *ses);
  74
  75 extern int CIFSTCon(unsigned int xid, struct cifsSesInfo *ses,
  76                         const char *tree, struct cifsTconInfo *tcon,
  77                         const struct nls_table *);
  78
  79 extern int CIFSFindFirst(const int xid, struct cifsTconInfo *tcon,
  80                         const char *searchName,
  81                         FILE_DIRECTORY_INFO * findData,
  82                         T2_FFIRST_RSP_PARMS * findParms,
  83                         const struct nls_table *nls_codepage,
  84                         int *pUnicodeFlag,
  85                         int *pUnixFlag /* if Unix extensions used */ );
  86 extern int CIFSFindNext(const int xid, struct cifsTconInfo *tcon,
  87                         FILE_DIRECTORY_INFO * findData,
  88                         T2_FNEXT_RSP_PARMS * findParms,
  89                         const __u16 searchHandle, char * resume_name,
  90                         int name_length, __u32 resume_key,
  91                         int *UnicodeFlag, int *pUnixFlag);
  92
  93 extern int CIFSFindClose(const int, struct cifsTconInfo *tcon,
  94                         const __u16 search_handle);
  95
  96 extern int CIFSSMBQPathInfo(const int xid, struct cifsTconInfo *tcon,
  97                         const unsigned char *searchName,
  98                         FILE_ALL_INFO * findData,
  99                         const struct nls_table *nls_codepage);
 100
 101 extern int CIFSSMBUnixQPathInfo(const int xid,
 102                         struct cifsTconInfo *tcon,
 103                         const unsigned char *searchName,
 104                         FILE_UNIX_BASIC_INFO * pFindData,
 105                         const struct nls_table *nls_codepage);
 106
 107 extern int CIFSGetDFSRefer(const int xid, struct cifsSesInfo *ses,
 108                         const unsigned char *searchName,
 109                         unsigned char **targetUNCs,
 110                         unsigned int *number_of_UNC_in_array,
 111                         const struct nls_table *nls_codepage);
 112
 113 extern int connect_to_dfs_path(int xid, struct cifsSesInfo *pSesInfo,
 114                         const char *old_path,
 115                         const struct nls_table *nls_codepage);
 116 extern int get_dfs_path(int xid, struct cifsSesInfo *pSesInfo,
 117                         const char *old_path, const struct nls_table *nls_codepage,
 118                         unsigned int *pnum_referrals, unsigned char ** preferrals);
 119 extern int CIFSSMBQFSInfo(const int xid, struct cifsTconInfo *tcon,
 120                         struct kstatfs *FSData,
 121                         const struct nls_table *nls_codepage);
 122 extern int CIFSSMBQFSAttributeInfo(const int xid,
 123                         struct cifsTconInfo *tcon,
 124                         const struct nls_table *nls_codepage);
 125 extern int CIFSSMBQFSDeviceInfo(const int xid, struct cifsTconInfo *tcon,
 126                         const struct nls_table *nls_codepage);
 127 extern int CIFSSMBQFSUnixInfo(const int xid, struct cifsTconInfo *tcon,
 128                         const struct nls_table *nls_codepage);
 129
 130 extern int CIFSSMBSetTimes(const int xid, struct cifsTconInfo *tcon,
 131                         const char *fileName, const FILE_BASIC_INFO * data,
 132                         const struct nls_table *nls_codepage);
 133 extern int CIFSSMBSetEOF(const int xid, struct cifsTconInfo *tcon,
 134                         const char *fileName, __u64 size,int setAllocationSizeFlag,
 135                         const struct nls_table *nls_codepage);
 136 extern int CIFSSMBSetFileSize(const int xid, struct cifsTconInfo *tcon,
 137                          __u64 size, __u16 fileHandle,__u32 opener_pid, int AllocSizeFlag);
 138 extern int CIFSSMBUnixSetPerms(const int xid, struct cifsTconInfo *pTcon,
 139                         char *full_path, __u64 mode, __u64 uid,
 140                         __u64 gid, dev_t dev, const struct nls_table *nls_codepage);
 141
 142 extern int CIFSSMBMkDir(const int xid, struct cifsTconInfo *tcon,
 143                         const char *newName,
 144                         const struct nls_table *nls_codepage);
 145 extern int CIFSSMBRmDir(const int xid, struct cifsTconInfo *tcon,
 146                         const char *name, const struct nls_table *nls_codepage);
 147
 148 extern int CIFSSMBDelFile(const int xid, struct cifsTconInfo *tcon,
 149                         const char *name,
 150                         const struct nls_table *nls_codepage);
 151 extern int CIFSSMBRename(const int xid, struct cifsTconInfo *tcon,
 152                         const char *fromName, const char *toName,
 153                         const struct nls_table *nls_codepage);
 154 extern int CIFSSMBRenameOpenFile(const int xid,struct cifsTconInfo *pTcon,
 155                         int netfid, char * target_name, const struct nls_table *nls_codepage);
 156 extern int CIFSCreateHardLink(const int xid,
 157                         struct cifsTconInfo *tcon,
 158                         const char *fromName, const char *toName,
 159                         const struct nls_table *nls_codepage);
 160 extern int CIFSUnixCreateHardLink(const int xid,
 161                         struct cifsTconInfo *tcon,
 162                         const char *fromName, const char *toName,
 163                         const struct nls_table *nls_codepage);
 164 extern int CIFSUnixCreateSymLink(const int xid,
 165                         struct cifsTconInfo *tcon,
 166                         const char *fromName, const char *toName,
 167                         const struct nls_table *nls_codepage);
 168 extern int CIFSSMBUnixQuerySymLink(const int xid,
 169                         struct cifsTconInfo *tcon,
 170                         const unsigned char *searchName,
 171                         char *syminfo, const int buflen,
 172                         const struct nls_table *nls_codepage);
 173 extern int CIFSSMBQueryReparseLinkInfo(const int xid,
 174                         struct cifsTconInfo *tcon,
 175                         const unsigned char *searchName,
 176                         char *symlinkinfo, const int buflen, __u16 fid,
 177                         const struct nls_table *nls_codepage);
 178
 179 extern int CIFSSMBOpen(const int xid, struct cifsTconInfo *tcon,
 180                         const char *fileName, const int disposition,
 181                         const int access_flags, const int omode,
 182                         __u16 * netfid, int *pOplock, FILE_ALL_INFO *,
 183                         const struct nls_table *nls_codepage);
 184 extern int CIFSSMBClose(const int xid, struct cifsTconInfo *tcon,
 185                         const int smb_file_id);
 186
 187 extern int CIFSSMBRead(const int xid, struct cifsTconInfo *tcon,
 188                         const int netfid, unsigned int count,
 189                         const __u64 lseek, unsigned int *nbytes, char **buf);
 190 extern int CIFSSMBWrite(const int xid, struct cifsTconInfo *tcon,
 191                         const int netfid, const unsigned int count,
 192                         const __u64 lseek, unsigned int *nbytes,
 193                         const char *buf, const int long_op);
 194 extern int CIFSSMBLock(const int xid, struct cifsTconInfo *tcon,
 195                         const __u16 netfid, const __u64 len,
 196                         const __u64 offset, const __u32 numUnlock,
 197                         const __u32 numLock, const __u8 lockType,
 198                         const int waitFlag);
 199
 200 extern int CIFSSMBTDis(const int xid, struct cifsTconInfo *tcon);
 201 extern int CIFSSMBLogoff(const int xid, struct cifsSesInfo *ses);
 202
 203 extern struct cifsSesInfo *sesInfoAlloc(void);
 204 extern void sesInfoFree(struct cifsSesInfo *);
 205 extern struct cifsTconInfo *tconInfoAlloc(void);
 206 extern void tconInfoFree(struct cifsTconInfo *);
 207
 208 extern int cifs_reconnect(struct TCP_Server_Info *server);
 209
 210 extern int cifs_sign_smb(struct smb_hdr *, struct cifsSesInfo *,__u32 *);
 211 extern int cifs_verify_signature(const struct smb_hdr *, const char * mac_key,
 212         __u32 expected_sequence_number);
 213 extern int cifs_calculate_mac_key(char * key,const char * rn,const char * pass);
 214 extern void CalcNTLMv2_partial_mac_key(struct cifsSesInfo *, struct nls_table *);
 215 extern void CalcNTLMv2_response(const struct cifsSesInfo *,char * );
 216 extern int CIFSSMBCopy(int xid,
 217                         struct cifsTconInfo *source_tcon,
 218                         const char *fromName,
 219                         const __u16 target_tid,
 220                         const char *toName, const int flags,
 221                         const struct nls_table *nls_codepage);
 222 extern int CIFSSMBNotify(const int xid, struct cifsTconInfo *tcon,
 223                         const int notify_subdirs,const __u16 netfid,__u32 filter,
 224                         const struct nls_table *nls_codepage);
 225 extern ssize_t CIFSSMBQAllEAs(const int xid, struct cifsTconInfo *tcon,
 226                         const unsigned char *searchName, char * EAData,
 227                         size_t bufsize, const struct nls_table *nls_codepage);
 228 extern ssize_t CIFSSMBQueryEA(const int xid,struct cifsTconInfo * tcon,
 229                 const unsigned char * searchName,const unsigned char * ea_name,
 230                 unsigned char * ea_value, size_t buf_size,
 231                 const struct nls_table *nls_codepage);
 232 extern int CIFSSMBSetEA(const int xid, struct cifsTconInfo *tcon,
 233                 const char *fileName, const char * ea_name,
 234                 const void * ea_value, const __u16 ea_value_len,
 235                 const struct nls_table *nls_codepage);
 236 #endif                  /* _CIFSPROTO_H */