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 *buf_get(void);
  34 extern void 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,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 void *kcalloc(size_t mem, int type);
  45 extern int SendReceive(const unsigned int /* xid */ , struct cifsSesInfo *,
  46                         struct smb_hdr * /* input */ ,
  47                         struct smb_hdr * /* out */ ,
  48                         int * /* bytes returned */ , const int long_op);
  49 extern int checkSMBhdr(struct smb_hdr *smb, __u16 mid);
  50 extern int checkSMB(struct smb_hdr *smb, __u16 mid, int length);
  51 extern int is_valid_oplock_break(struct smb_hdr *smb);
  52 extern unsigned int smbCalcSize(struct smb_hdr *ptr);
  53 extern int decode_negTokenInit(unsigned char *security_blob, int length,
  54                         enum securityEnum *secType);
  55 extern int map_smb_to_linux_error(struct smb_hdr *smb);
  56 extern void header_assemble(struct smb_hdr *, char /* command */ ,
  57                         const struct cifsTconInfo *, int
  58                         /* length of fixed section (word count) in two byte units  */
  59                         );
  60 struct oplock_q_entry * AllocOplockQEntry(struct file *,struct cifsTconInfo *);
  61 void DeleteOplockQEntry(struct oplock_q_entry *);
  62 extern struct timespec cifs_NTtimeToUnix(u64 /* utc nanoseconds since 1601 */ );
  63 extern u64 cifs_UnixTimeToNT(struct timespec);
  64 extern void RevUcode_to_Ucode(char *revUnicode, char *UnicodeName);
  65 extern void Ucode_to_RevUcode(char *Unicode, char *revUnicodeName);
  66 extern void RevUcode_to_Ucode_with_Len(char *revUnicode, char *UnicodeName,
  67                         int Len);
  68 extern void Ucode_to_RevUcode_with_Len(char *Unicode, char *revUnicodeName,
  69                         int Len);
  70 extern int cifs_get_inode_info(struct inode **pinode,
  71                         const unsigned char *search_path,
  72                         struct super_block *sb);
  73 extern int cifs_get_inode_info_unix(struct inode **pinode,
  74                         const unsigned char *search_path,
  75                         struct super_block *sb);
  76
  77 extern int reopen_files(struct cifsTconInfo *, struct nls_table *);
  78 extern int setup_session(unsigned int xid, struct cifsSesInfo *pSesInfo,
  79                         struct nls_table * nls_info);
  80 extern int CIFSSMBNegotiate(unsigned int xid, struct cifsSesInfo *ses);
  81 extern int CIFSSessSetup(unsigned int xid, struct cifsSesInfo *ses,
  82                         char *ntlm_session_key, const struct nls_table *);
  83 extern int CIFSSpnegoSessSetup(unsigned int xid, struct cifsSesInfo *ses,
  84                         char *SecurityBlob,int SecurityBlobLength,
  85                         const struct nls_table *);
  86 extern int CIFSNTLMSSPNegotiateSessSetup(unsigned int xid,
  87                         struct cifsSesInfo *ses, int  *ntlmv2_flag,
  88                         const struct nls_table *);
  89 extern int CIFSNTLMSSPAuthSessSetup(unsigned int xid,
  90                         struct cifsSesInfo *ses, char *ntlm_session_key,
  91                         int ntlmv2_flag, const struct nls_table *);
  92
  93 extern int CIFSTCon(unsigned int xid, struct cifsSesInfo *ses,
  94                         const char *tree, struct cifsTconInfo *tcon,
  95                         const struct nls_table *);
  96
  97 extern int CIFSFindFirst(const int xid, struct cifsTconInfo *tcon,
  98                         const char *searchName,
  99                         FILE_DIRECTORY_INFO * findData,
 100                         T2_FFIRST_RSP_PARMS * findParms,
 101                         const struct nls_table *nls_codepage,
 102                         int *pUnicodeFlag,
 103                         int *pUnixFlag /* if Unix extensions used */ );
 104 extern int CIFSFindNext(const int xid, struct cifsTconInfo *tcon,
 105                         FILE_DIRECTORY_INFO * findData,
 106                         T2_FNEXT_RSP_PARMS * findParms,
 107                         const __u16 searchHandle, char * resume_name,
 108                         int name_length, __u32 resume_key,
 109                         int *UnicodeFlag, int *pUnixFlag);
 110
 111 extern int CIFSFindClose(const int, struct cifsTconInfo *tcon,
 112                         const __u16 search_handle);
 113
 114 extern int CIFSSMBQPathInfo(const int xid, struct cifsTconInfo *tcon,
 115                         const unsigned char *searchName,
 116                         FILE_ALL_INFO * findData,
 117                         const struct nls_table *nls_codepage);
 118
 119 extern int CIFSSMBUnixQPathInfo(const int xid,
 120                         struct cifsTconInfo *tcon,
 121                         const unsigned char *searchName,
 122                         FILE_UNIX_BASIC_INFO * pFindData,
 123                         const struct nls_table *nls_codepage);
 124
 125 extern int CIFSGetDFSRefer(const int xid, struct cifsSesInfo *ses,
 126                         const unsigned char *searchName,
 127                         unsigned char **targetUNCs,
 128                         unsigned int *number_of_UNC_in_array,
 129                         const struct nls_table *nls_codepage);
 130
 131 extern int connect_to_dfs_path(int xid, struct cifsSesInfo *pSesInfo,
 132                         const char *old_path,
 133                         const struct nls_table *nls_codepage);
 134 extern int get_dfs_path(int xid, struct cifsSesInfo *pSesInfo,
 135                         const char *old_path, const struct nls_table *nls_codepage,
 136                         unsigned int *pnum_referrals, unsigned char ** preferrals);
 137 extern int CIFSSMBQFSInfo(const int xid, struct cifsTconInfo *tcon,
 138                         struct kstatfs *FSData,
 139                         const struct nls_table *nls_codepage);
 140 extern int CIFSSMBQFSAttributeInfo(const int xid,
 141                         struct cifsTconInfo *tcon,
 142                         const struct nls_table *nls_codepage);
 143 extern int CIFSSMBQFSDeviceInfo(const int xid, struct cifsTconInfo *tcon,
 144                         const struct nls_table *nls_codepage);
 145 extern int CIFSSMBQFSUnixInfo(const int xid, struct cifsTconInfo *tcon,
 146                         const struct nls_table *nls_codepage);
 147
 148 extern int CIFSSMBSetTimes(const int xid, struct cifsTconInfo *tcon,
 149                         char *fileName, FILE_BASIC_INFO * data,
 150                         const struct nls_table *nls_codepage);
 151 extern int CIFSSMBSetEOF(const int xid, struct cifsTconInfo *tcon,
 152                         char *fileName, __u64 size,int setAllocationSizeFlag,
 153                         const struct nls_table *nls_codepage);
 154 extern int CIFSSMBSetFileSize(const int xid, struct cifsTconInfo *tcon,
 155                          __u64 size, __u16 fileHandle,__u32 opener_pid, int AllocSizeFlag);
 156 extern int CIFSSMBUnixSetPerms(const int xid, struct cifsTconInfo *pTcon,
 157                         char *full_path, __u64 mode, __u64 uid,
 158                         __u64 gid, dev_t dev, const struct nls_table *nls_codepage);
 159
 160 extern int CIFSSMBMkDir(const int xid, struct cifsTconInfo *tcon,
 161                         const char *newName,
 162                         const struct nls_table *nls_codepage);
 163 extern int CIFSSMBRmDir(const int xid, struct cifsTconInfo *tcon,
 164                         const char *name, const struct nls_table *nls_codepage);
 165
 166 extern int CIFSSMBDelFile(const int xid, struct cifsTconInfo *tcon,
 167                         const char *name,
 168                         const struct nls_table *nls_codepage);
 169 extern int CIFSSMBRename(const int xid, struct cifsTconInfo *tcon,
 170                         const char *fromName, const char *toName,
 171                         const struct nls_table *nls_codepage);
 172 extern int CIFSCreateHardLink(const int xid,
 173                         struct cifsTconInfo *tcon,
 174                         const char *fromName, const char *toName,
 175                         const struct nls_table *nls_codepage);
 176 extern int CIFSUnixCreateHardLink(const int xid,
 177                         struct cifsTconInfo *tcon,
 178                         const char *fromName, const char *toName,
 179                         const struct nls_table *nls_codepage);
 180 extern int CIFSUnixCreateSymLink(const int xid,
 181                         struct cifsTconInfo *tcon,
 182                         const char *fromName, const char *toName,
 183                         const struct nls_table *nls_codepage);
 184 extern int CIFSSMBUnixQuerySymLink(const int xid,
 185                         struct cifsTconInfo *tcon,
 186                         const unsigned char *searchName,
 187                         char *syminfo, const int buflen,
 188                         const struct nls_table *nls_codepage);
 189 extern int CIFSSMBQueryReparseLinkInfo(const int xid,
 190                         struct cifsTconInfo *tcon,
 191                         const unsigned char *searchName,
 192                         char *symlinkinfo, const int buflen, __u16 fid,
 193                         const struct nls_table *nls_codepage);
 194
 195 extern int CIFSSMBOpen(const int xid, struct cifsTconInfo *tcon,
 196                         const char *fileName, const int disposition,
 197                         const int access_flags, const int omode,
 198                         __u16 * netfid, int *pOplock,
 199                         const struct nls_table *nls_codepage);
 200 extern int CIFSSMBClose(const int xid, struct cifsTconInfo *tcon,
 201                         const int smb_file_id);
 202
 203 extern int CIFSSMBRead(const int xid, struct cifsTconInfo *tcon,
 204                         const int netfid, unsigned int count,
 205                         const __u64 lseek, unsigned int *nbytes, char **buf);
 206 extern int CIFSSMBWrite(const int xid, struct cifsTconInfo *tcon,
 207                         const int netfid, const unsigned int count,
 208                         const __u64 lseek, unsigned int *nbytes,
 209                         const char *buf, const int long_op);
 210 extern int CIFSSMBLock(const int xid, struct cifsTconInfo *tcon,
 211                         const __u16 netfid, const __u64 len,
 212                         const __u64 offset, const __u32 numUnlock,
 213                         const __u32 numLock, const __u8 lockType,
 214                         const int waitFlag);
 215
 216 extern int CIFSSMBTDis(const int xid, struct cifsTconInfo *tcon);
 217 extern int CIFSSMBLogoff(const int xid, struct cifsSesInfo *ses);
 218
 219 extern struct cifsSesInfo *sesInfoAlloc(void);
 220 extern void sesInfoFree(struct cifsSesInfo *);
 221 extern struct cifsTconInfo *tconInfoAlloc(void);
 222 extern void tconInfoFree(struct cifsTconInfo *);
 223
 224 extern int cifs_demultiplex_thread(struct TCP_Server_Info *);
 225 extern int cifs_reconnect(struct TCP_Server_Info *server);
 226
 227 extern int cifs_sign_smb(struct smb_hdr *, struct cifsSesInfo *,__u32 *);
 228 extern int cifs_verify_signature(const struct smb_hdr *, const char * mac_key,
 229         __u32 expected_sequence_number);
 230 extern int cifs_calculate_mac_key(char * key,const char * rn,const char * pass);
 231 extern void CalcNTLMv2_partial_mac_key(struct cifsSesInfo *, struct nls_table *);
 232 extern void CalcNTLMv2_response(const struct cifsSesInfo *,char * );
 233
 234 extern int CIFSBuildServerList(int xid, char *serverBufferList,
 235                         int recordlength, int *entries,
 236                         int *totalEntries, int *topoChangedFlag);
 237 extern int CIFSSMBQueryShares(int xid, struct cifsTconInfo *tcon,
 238                         struct shareInfo *shareList, int bufferLen,
 239                         int *entries, int *totalEntries);
 240 extern int CIFSSMBQueryAlias(int xid, struct cifsTconInfo *tcon,
 241                         struct aliasInfo *aliasList, int bufferLen,
 242                         int *entries, int *totalEntries);
 243 extern int CIFSSMBAliasInfo(int xid, struct cifsTconInfo *tcon,
 244                         char *aliasName, char *serverName,
 245                         char *shareName, char *comment);
 246 extern int CIFSSMBGetShareInfo(int xid, struct cifsTconInfo *tcon,
 247                         char *share, char *comment);
 248 extern int CIFSSMBGetUserPerms(int xid, struct cifsTconInfo *tcon,
 249                         char *userName, char *searchName, int *perms);
 250 extern int CIFSSMBSync(int xid, struct cifsTconInfo *tcon, int netfid, int pid);
 251
 252 extern int CIFSSMBSeek(int xid,
 253                         struct cifsTconInfo *tcon,
 254                         int netfid,
 255                         int pid,
 256                         int whence, unsigned long offset, long long *newoffset);
 257
 258 extern int CIFSSMBCopy(int xid,
 259                         struct cifsTconInfo *ftcon,
 260                         char *fromName,
 261                         struct cifsTconInfo *ttcon,
 262                         char *toName, int ofun, int flags);
 263 #endif                  /* _CIFSPROTO_H */