1/* 2 * fs/cifs/cifsproto.h 3 * 4 * Copyright (c) International Business Machines Corp., 2002,2007 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 25struct statfs; 26struct smb_vol; 27 28/* 29 ***************************************************************** 30 * All Prototypes 31 ***************************************************************** 32 */ 33 34extern struct smb_hdr *cifs_buf_get(void); 35extern void cifs_buf_release(void *); 36extern struct smb_hdr *cifs_small_buf_get(void); 37extern void cifs_small_buf_release(void *); 38extern int smb_send(struct socket *, struct smb_hdr *, 39 unsigned int /* length */ , struct sockaddr *); 40extern unsigned int _GetXid(void); 41extern void _FreeXid(unsigned int); 42#define GetXid() (int)_GetXid(); cFYI(1,("CIFS VFS: in %s as Xid: %d with uid: %d",__FUNCTION__, xid,current->fsuid)); 43#define FreeXid(curr_xid) {_FreeXid(curr_xid); cFYI(1,("CIFS VFS: leaving %s (xid = %d) rc = %d",__FUNCTION__,curr_xid,(int)rc));} 44extern char *build_path_from_dentry(struct dentry *); 45extern char *build_wildcard_path_from_dentry(struct dentry *direntry); 46/* extern void renew_parental_timestamps(struct dentry *direntry);*/ 47extern int SendReceive(const unsigned int /* xid */ , struct cifsSesInfo *, 48 struct smb_hdr * /* input */ , 49 struct smb_hdr * /* out */ , 50 int * /* bytes returned */ , const int long_op); 51extern int SendReceive2(const unsigned int /* xid */ , struct cifsSesInfo *, 52 struct kvec *, int /* nvec to send */, 53 int * /* type of buf returned */ , const int long_op); 54extern int SendReceiveBlockingLock(const unsigned int /* xid */ , 55 struct cifsTconInfo *, 56 struct smb_hdr * /* input */ , 57 struct smb_hdr * /* out */ , 58 int * /* bytes returned */); 59extern int checkSMB(struct smb_hdr *smb, __u16 mid, unsigned int length); 60extern int is_valid_oplock_break(struct smb_hdr *smb, struct TCP_Server_Info *); 61extern int is_size_safe_to_change(struct cifsInodeInfo *, __u64 eof); 62extern struct cifsFileInfo *find_writable_file(struct cifsInodeInfo *); 63extern unsigned int smbCalcSize(struct smb_hdr *ptr); 64extern unsigned int smbCalcSize_LE(struct smb_hdr *ptr); 65extern int decode_negTokenInit(unsigned char *security_blob, int length, 66 enum securityEnum *secType); 67extern int cifs_inet_pton(int, char * source, void *dst); 68extern int map_smb_to_linux_error(struct smb_hdr *smb); 69extern void header_assemble(struct smb_hdr *, char /* command */ , 70 const struct cifsTconInfo *, int /* length of 71 fixed section (word count) in two byte units */); 72extern int small_smb_init_no_tc(const int smb_cmd, const int wct, 73 struct cifsSesInfo *ses, 74 void ** request_buf); 75extern int CIFS_SessSetup(unsigned int xid, struct cifsSesInfo *ses, 76 const int stage, 77 const struct nls_table *nls_cp); 78extern __u16 GetNextMid(struct TCP_Server_Info *server); 79extern struct oplock_q_entry * AllocOplockQEntry(struct inode *, u16, 80 struct cifsTconInfo *); 81extern void DeleteOplockQEntry(struct oplock_q_entry *); 82extern struct timespec cifs_NTtimeToUnix(u64 /* utc nanoseconds since 1601 */ ); 83extern u64 cifs_UnixTimeToNT(struct timespec); 84extern __le64 cnvrtDosCifsTm(__u16 date, __u16 time); 85extern struct timespec cnvrtDosUnixTm(__u16 date, __u16 time); 86 87extern int cifs_get_inode_info(struct inode **pinode, 88 const unsigned char *search_path, 89 FILE_ALL_INFO * pfile_info, 90 struct super_block *sb, int xid); 91extern int cifs_get_inode_info_unix(struct inode **pinode, 92 const unsigned char *search_path, 93 struct super_block *sb,int xid); 94 95extern int cifs_mount(struct super_block *, struct cifs_sb_info *, char *, 96 const char *); 97extern int cifs_umount(struct super_block *, struct cifs_sb_info *); 98void cifs_proc_init(void); 99void cifs_proc_clean(void); 100 101extern int cifs_setup_session(unsigned int xid, struct cifsSesInfo *pSesInfo, 102 struct nls_table * nls_info); 103extern int CIFSSMBNegotiate(unsigned int xid, struct cifsSesInfo *ses); 104 105extern int CIFSTCon(unsigned int xid, struct cifsSesInfo *ses, 106 const char *tree, struct cifsTconInfo *tcon, 107 const struct nls_table *); 108 109extern int CIFSFindFirst(const int xid, struct cifsTconInfo *tcon, 110 const char *searchName, const struct nls_table *nls_codepage, 111 __u16 *searchHandle, struct cifs_search_info * psrch_inf, 112 int map, const char dirsep); 113 114extern int CIFSFindNext(const int xid, struct cifsTconInfo *tcon, 115 __u16 searchHandle, struct cifs_search_info * psrch_inf); 116 117extern int CIFSFindClose(const int, struct cifsTconInfo *tcon, 118 const __u16 search_handle); 119 120extern int CIFSSMBQPathInfo(const int xid, struct cifsTconInfo *tcon, 121 const unsigned char *searchName, 122 FILE_ALL_INFO * findData, 123 int legacy /* whether to use old info level */, 124 const struct nls_table *nls_codepage, int remap); 125extern int SMBQueryInformation(const int xid, struct cifsTconInfo *tcon, 126 const unsigned char *searchName, 127 FILE_ALL_INFO * findData, 128 const struct nls_table *nls_codepage, int remap); 129 130extern int CIFSSMBUnixQPathInfo(const int xid, 131 struct cifsTconInfo *tcon, 132 const unsigned char *searchName, 133 FILE_UNIX_BASIC_INFO * pFindData, 134 const struct nls_table *nls_codepage, int remap); 135 136extern int CIFSGetDFSRefer(const int xid, struct cifsSesInfo *ses, 137 const unsigned char *searchName, 138 unsigned char **targetUNCs, 139 unsigned int *number_of_UNC_in_array, 140 const struct nls_table *nls_codepage, int remap); 141 142extern int connect_to_dfs_path(int xid, struct cifsSesInfo *pSesInfo, 143 const char *old_path, 144 const struct nls_table *nls_codepage, int remap); 145extern int get_dfs_path(int xid, struct cifsSesInfo *pSesInfo, 146 const char *old_path, 147 const struct nls_table *nls_codepage, 148 unsigned int *pnum_referrals, 149 unsigned char ** preferrals, 150 int remap); 151extern void reset_cifs_unix_caps(int xid, struct cifsTconInfo *tcon, 152 struct super_block * sb, struct smb_vol * vol); 153extern int CIFSSMBQFSInfo(const int xid, struct cifsTconInfo *tcon, 154 struct kstatfs *FSData); 155extern int SMBOldQFSInfo(const int xid, struct cifsTconInfo *tcon, 156 struct kstatfs *FSData); 157extern int CIFSSMBSetFSUnixInfo(const int xid, struct cifsTconInfo *tcon, 158 __u64 cap); 159 160extern int CIFSSMBQFSAttributeInfo(const int xid, 161 struct cifsTconInfo *tcon); 162extern int CIFSSMBQFSDeviceInfo(const int xid, struct cifsTconInfo *tcon); 163extern int CIFSSMBQFSUnixInfo(const int xid, struct cifsTconInfo *tcon); 164extern int CIFSSMBQFSPosixInfo(const int xid, struct cifsTconInfo *tcon, 165 struct kstatfs *FSData); 166 167extern int CIFSSMBSetTimes(const int xid, struct cifsTconInfo *tcon, 168 const char *fileName, const FILE_BASIC_INFO * data, 169 const struct nls_table *nls_codepage, 170 int remap_special_chars); 171extern int CIFSSMBSetFileTimes(const int xid, struct cifsTconInfo *tcon, 172 const FILE_BASIC_INFO * data, __u16 fid); 173extern int CIFSSMBSetEOF(const int xid, struct cifsTconInfo *tcon, 174 const char *fileName, __u64 size, 175 int setAllocationSizeFlag, 176 const struct nls_table *nls_codepage, 177 int remap_special_chars); 178extern int CIFSSMBSetFileSize(const int xid, struct cifsTconInfo *tcon, 179 __u64 size, __u16 fileHandle,__u32 opener_pid, 180 int AllocSizeFlag); 181extern int CIFSSMBUnixSetPerms(const int xid, struct cifsTconInfo *pTcon, 182 char *full_path, __u64 mode, __u64 uid, 183 __u64 gid, dev_t dev, 184 const struct nls_table *nls_codepage, 185 int remap_special_chars); 186 187extern int CIFSSMBMkDir(const int xid, struct cifsTconInfo *tcon, 188 const char *newName, 189 const struct nls_table *nls_codepage, 190 int remap_special_chars); 191extern int CIFSSMBRmDir(const int xid, struct cifsTconInfo *tcon, 192 const char *name, const struct nls_table *nls_codepage, 193 int remap_special_chars); 194 195extern int CIFSSMBDelFile(const int xid, struct cifsTconInfo *tcon, 196 const char *name, 197 const struct nls_table *nls_codepage, 198 int remap_special_chars); 199extern int CIFSSMBRename(const int xid, struct cifsTconInfo *tcon, 200 const char *fromName, const char *toName, 201 const struct nls_table *nls_codepage, 202 int remap_special_chars); 203extern int CIFSSMBRenameOpenFile(const int xid,struct cifsTconInfo *pTcon, 204 int netfid, char * target_name, 205 const struct nls_table *nls_codepage, 206 int remap_special_chars); 207extern int CIFSCreateHardLink(const int xid, 208 struct cifsTconInfo *tcon, 209 const char *fromName, const char *toName, 210 const struct nls_table *nls_codepage, 211 int remap_special_chars); 212extern int CIFSUnixCreateHardLink(const int xid, 213 struct cifsTconInfo *tcon, 214 const char *fromName, const char *toName, 215 const struct nls_table *nls_codepage, 216 int remap_special_chars); 217extern int CIFSUnixCreateSymLink(const int xid, 218 struct cifsTconInfo *tcon, 219 const char *fromName, const char *toName, 220 const struct nls_table *nls_codepage); 221extern int CIFSSMBUnixQuerySymLink(const int xid, 222 struct cifsTconInfo *tcon, 223 const unsigned char *searchName, 224 char *syminfo, const int buflen, 225 const struct nls_table *nls_codepage); 226extern int CIFSSMBQueryReparseLinkInfo(const int xid, 227 struct cifsTconInfo *tcon, 228 const unsigned char *searchName, 229 char *symlinkinfo, const int buflen, __u16 fid, 230 const struct nls_table *nls_codepage); 231 232extern int CIFSSMBOpen(const int xid, struct cifsTconInfo *tcon, 233 const char *fileName, const int disposition, 234 const int access_flags, const int omode, 235 __u16 * netfid, int *pOplock, FILE_ALL_INFO *, 236 const struct nls_table *nls_codepage, int remap); 237extern int SMBLegacyOpen(const int xid, struct cifsTconInfo *tcon, 238 const char *fileName, const int disposition, 239 const int access_flags, const int omode, 240 __u16 * netfid, int *pOplock, FILE_ALL_INFO *, 241 const struct nls_table *nls_codepage, int remap); 242extern int CIFSPOSIXCreate(const int xid, struct cifsTconInfo *tcon, 243 u32 posix_flags, __u64 mode, __u16 * netfid, 244 FILE_UNIX_BASIC_INFO *pRetData, 245 __u32 *pOplock, const char *name, 246 const struct nls_table *nls_codepage, int remap); 247extern int CIFSSMBClose(const int xid, struct cifsTconInfo *tcon, 248 const int smb_file_id); 249 250extern int CIFSSMBRead(const int xid, struct cifsTconInfo *tcon, 251 const int netfid, unsigned int count, 252 const __u64 lseek, unsigned int *nbytes, char **buf, 253 int * return_buf_type); 254extern int CIFSSMBWrite(const int xid, struct cifsTconInfo *tcon, 255 const int netfid, const unsigned int count, 256 const __u64 lseek, unsigned int *nbytes, 257 const char *buf, const char __user *ubuf, 258 const int long_op); 259extern int CIFSSMBWrite2(const int xid, struct cifsTconInfo *tcon, 260 const int netfid, const unsigned int count, 261 const __u64 offset, unsigned int *nbytes, 262 struct kvec *iov, const int nvec, const int long_op); 263extern int CIFSGetSrvInodeNumber(const int xid, struct cifsTconInfo *tcon, 264 const unsigned char *searchName, __u64 * inode_number, 265 const struct nls_table *nls_codepage, 266 int remap_special_chars); 267extern int cifs_convertUCSpath(char *target, const __le16 *source, int maxlen, 268 const struct nls_table * codepage); 269extern int cifsConvertToUCS(__le16 * target, const char *source, int maxlen, 270 const struct nls_table * cp, int mapChars); 271 272extern int CIFSSMBLock(const int xid, struct cifsTconInfo *tcon, 273 const __u16 netfid, const __u64 len, 274 const __u64 offset, const __u32 numUnlock, 275 const __u32 numLock, const __u8 lockType, 276 const int waitFlag); 277extern int CIFSSMBPosixLock(const int xid, struct cifsTconInfo *tcon, 278 const __u16 smb_file_id, const int get_flag, 279 const __u64 len, struct file_lock *, 280 const __u16 lock_type, const int waitFlag); 281extern int CIFSSMBTDis(const int xid, struct cifsTconInfo *tcon); 282extern int CIFSSMBLogoff(const int xid, struct cifsSesInfo *ses); 283 284extern struct cifsSesInfo *sesInfoAlloc(void); 285extern void sesInfoFree(struct cifsSesInfo *); 286extern struct cifsTconInfo *tconInfoAlloc(void); 287extern void tconInfoFree(struct cifsTconInfo *); 288 289extern int cifs_sign_smb(struct smb_hdr *, struct TCP_Server_Info *,__u32 *); 290extern int cifs_sign_smb2(struct kvec *iov, int n_vec, struct TCP_Server_Info *, 291 __u32 *); 292extern int cifs_verify_signature(struct smb_hdr *, const char * mac_key, 293 __u32 expected_sequence_number); 294extern int cifs_calculate_mac_key(char * key,const char * rn,const char * pass); 295extern int CalcNTLMv2_partial_mac_key(struct cifsSesInfo *, 296 const struct nls_table *); 297extern void CalcNTLMv2_response(const struct cifsSesInfo *, char * ); 298extern void setup_ntlmv2_rsp(struct cifsSesInfo *, char *, 299 const struct nls_table *); 300#ifdef CONFIG_CIFS_WEAK_PW_HASH 301extern void calc_lanman_hash(struct cifsSesInfo * ses, char * lnm_session_key); 302#endif /* CIFS_WEAK_PW_HASH */ 303extern int CIFSSMBCopy(int xid, 304 struct cifsTconInfo *source_tcon, 305 const char *fromName, 306 const __u16 target_tid, 307 const char *toName, const int flags, 308 const struct nls_table *nls_codepage, 309 int remap_special_chars); 310extern int CIFSSMBNotify(const int xid, struct cifsTconInfo *tcon, 311 const int notify_subdirs,const __u16 netfid, 312 __u32 filter, struct file * file, int multishot, 313 const struct nls_table *nls_codepage); 314extern ssize_t CIFSSMBQAllEAs(const int xid, struct cifsTconInfo *tcon, 315 const unsigned char *searchName, char * EAData, 316 size_t bufsize, const struct nls_table *nls_codepage, 317 int remap_special_chars); 318extern ssize_t CIFSSMBQueryEA(const int xid,struct cifsTconInfo * tcon, 319 const unsigned char * searchName,const unsigned char * ea_name, 320 unsigned char * ea_value, size_t buf_size, 321 const struct nls_table *nls_codepage, int remap_special_chars); 322extern int CIFSSMBSetEA(const int xid, struct cifsTconInfo *tcon, 323 const char *fileName, const char * ea_name, 324 const void * ea_value, const __u16 ea_value_len, 325 const struct nls_table *nls_codepage, int remap_special_chars); 326extern int CIFSSMBGetCIFSACL(const int xid, struct cifsTconInfo *tcon, 327 __u16 fid, char *acl_inf, const int buflen, 328 const int acl_type /* ACCESS vs. DEFAULT */); 329extern int CIFSSMBGetPosixACL(const int xid, struct cifsTconInfo *tcon, 330 const unsigned char *searchName, 331 char *acl_inf, const int buflen,const int acl_type, 332 const struct nls_table *nls_codepage, int remap_special_chars); 333extern int CIFSSMBSetPosixACL(const int xid, struct cifsTconInfo *tcon, 334 const unsigned char *fileName, 335 const char *local_acl, const int buflen, const int acl_type, 336 const struct nls_table *nls_codepage, int remap_special_chars); 337extern int CIFSGetExtAttr(const int xid, struct cifsTconInfo *tcon, 338 const int netfid, __u64 * pExtAttrBits, __u64 *pMask); 339#endif /* _CIFSPROTO_H */ 340