1 /* 2 * fs/cifs/cifsproto.h 3 * 4 * Copyright (c) International Business Machines Corp., 2002,2008 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 struct smb_vol; 27 28 /* 29 ***************************************************************** 30 * All Prototypes 31 ***************************************************************** 32 */ 33 34 extern struct smb_hdr *cifs_buf_get(void); 35 extern void cifs_buf_release(void *); 36 extern struct smb_hdr *cifs_small_buf_get(void); 37 extern void cifs_small_buf_release(void *); 38 extern int smb_send(struct TCP_Server_Info *, struct smb_hdr *, 39 unsigned int /* length */); 40 extern unsigned int _GetXid(void); 41 extern void _FreeXid(unsigned int); 42 #define GetXid() (int)_GetXid(); cFYI(1,("CIFS VFS: in %s as Xid: %d with uid: %d",__func__, xid,current_fsuid())); 43 #define FreeXid(curr_xid) {_FreeXid(curr_xid); cFYI(1,("CIFS VFS: leaving %s (xid = %d) rc = %d",__func__,curr_xid,(int)rc));} 44 extern char *build_path_from_dentry(struct dentry *); 45 extern char *cifs_build_path_to_root(struct cifs_sb_info *cifs_sb); 46 extern char *build_wildcard_path_from_dentry(struct dentry *direntry); 47 /* extern void renew_parental_timestamps(struct dentry *direntry);*/ 48 extern int SendReceive(const unsigned int /* xid */ , struct cifsSesInfo *, 49 struct smb_hdr * /* input */ , 50 struct smb_hdr * /* out */ , 51 int * /* bytes returned */ , const int long_op); 52 extern int SendReceiveNoRsp(const unsigned int xid, struct cifsSesInfo *ses, 53 struct smb_hdr *in_buf, int flags); 54 extern int SendReceive2(const unsigned int /* xid */ , struct cifsSesInfo *, 55 struct kvec *, int /* nvec to send */, 56 int * /* type of buf returned */ , const int flags); 57 extern int SendReceiveBlockingLock(const unsigned int xid, 58 struct cifsTconInfo *ptcon, 59 struct smb_hdr *in_buf , 60 struct smb_hdr *out_buf, 61 int *bytes_returned); 62 extern int checkSMB(struct smb_hdr *smb, __u16 mid, unsigned int length); 63 extern bool is_valid_oplock_break(struct smb_hdr *smb, 64 struct TCP_Server_Info *); 65 extern bool is_size_safe_to_change(struct cifsInodeInfo *, __u64 eof); 66 extern struct cifsFileInfo *find_writable_file(struct cifsInodeInfo *); 67 #ifdef CONFIG_CIFS_EXPERIMENTAL 68 extern struct cifsFileInfo *find_readable_file(struct cifsInodeInfo *); 69 #endif 70 extern unsigned int smbCalcSize(struct smb_hdr *ptr); 71 extern unsigned int smbCalcSize_LE(struct smb_hdr *ptr); 72 extern int decode_negTokenInit(unsigned char *security_blob, int length, 73 enum securityEnum *secType); 74 extern int cifs_inet_pton(const int, const char *source, void *dst); 75 extern int map_smb_to_linux_error(struct smb_hdr *smb, int logErr); 76 extern void header_assemble(struct smb_hdr *, char /* command */ , 77 const struct cifsTconInfo *, int /* length of 78 fixed section (word count) in two byte units */); 79 extern int small_smb_init_no_tc(const int smb_cmd, const int wct, 80 struct cifsSesInfo *ses, 81 void **request_buf); 82 extern int CIFS_SessSetup(unsigned int xid, struct cifsSesInfo *ses, 83 const int stage, 84 const struct nls_table *nls_cp); 85 extern __u16 GetNextMid(struct TCP_Server_Info *server); 86 extern struct oplock_q_entry *AllocOplockQEntry(struct inode *, u16, 87 struct cifsTconInfo *); 88 extern void DeleteOplockQEntry(struct oplock_q_entry *); 89 extern void DeleteTconOplockQEntries(struct cifsTconInfo *); 90 extern struct timespec cifs_NTtimeToUnix(u64 utc_nanoseconds_since_1601); 91 extern u64 cifs_UnixTimeToNT(struct timespec); 92 extern __le64 cnvrtDosCifsTm(__u16 date, __u16 time); 93 extern struct timespec cnvrtDosUnixTm(__u16 date, __u16 time); 94 95 extern void posix_fill_in_inode(struct inode *tmp_inode, 96 FILE_UNIX_BASIC_INFO *pData, int isNewInode); 97 extern struct inode *cifs_new_inode(struct super_block *sb, __u64 *inum); 98 extern int cifs_get_inode_info(struct inode **pinode, 99 const unsigned char *search_path, 100 FILE_ALL_INFO *pfile_info, 101 struct super_block *sb, int xid, const __u16 *pfid); 102 extern int cifs_get_inode_info_unix(struct inode **pinode, 103 const unsigned char *search_path, 104 struct super_block *sb, int xid); 105 extern void acl_to_uid_mode(struct inode *inode, const char *path, 106 const __u16 *pfid); 107 extern int mode_to_acl(struct inode *inode, const char *path, __u64); 108 109 extern int cifs_mount(struct super_block *, struct cifs_sb_info *, char *, 110 const char *); 111 extern int cifs_umount(struct super_block *, struct cifs_sb_info *); 112 extern void cifs_dfs_release_automount_timer(void); 113 void cifs_proc_init(void); 114 void cifs_proc_clean(void); 115 116 extern int cifs_setup_session(unsigned int xid, struct cifsSesInfo *pSesInfo, 117 struct nls_table *nls_info); 118 extern int CIFSSMBNegotiate(unsigned int xid, struct cifsSesInfo *ses); 119 120 extern int CIFSTCon(unsigned int xid, struct cifsSesInfo *ses, 121 const char *tree, struct cifsTconInfo *tcon, 122 const struct nls_table *); 123 124 extern int CIFSFindFirst(const int xid, struct cifsTconInfo *tcon, 125 const char *searchName, const struct nls_table *nls_codepage, 126 __u16 *searchHandle, struct cifs_search_info *psrch_inf, 127 int map, const char dirsep); 128 129 extern int CIFSFindNext(const int xid, struct cifsTconInfo *tcon, 130 __u16 searchHandle, struct cifs_search_info *psrch_inf); 131 132 extern int CIFSFindClose(const int, struct cifsTconInfo *tcon, 133 const __u16 search_handle); 134 135 extern int CIFSSMBQPathInfo(const int xid, struct cifsTconInfo *tcon, 136 const unsigned char *searchName, 137 FILE_ALL_INFO *findData, 138 int legacy /* whether to use old info level */, 139 const struct nls_table *nls_codepage, int remap); 140 extern int SMBQueryInformation(const int xid, struct cifsTconInfo *tcon, 141 const unsigned char *searchName, 142 FILE_ALL_INFO *findData, 143 const struct nls_table *nls_codepage, int remap); 144 145 extern int CIFSSMBUnixQPathInfo(const int xid, 146 struct cifsTconInfo *tcon, 147 const unsigned char *searchName, 148 FILE_UNIX_BASIC_INFO *pFindData, 149 const struct nls_table *nls_codepage, int remap); 150 151 extern int CIFSGetDFSRefer(const int xid, struct cifsSesInfo *ses, 152 const unsigned char *searchName, 153 struct dfs_info3_param **target_nodes, 154 unsigned int *number_of_nodes_in_array, 155 const struct nls_table *nls_codepage, int remap); 156 157 extern int get_dfs_path(int xid, struct cifsSesInfo *pSesInfo, 158 const char *old_path, 159 const struct nls_table *nls_codepage, 160 unsigned int *pnum_referrals, 161 struct dfs_info3_param **preferrals, 162 int remap); 163 extern void reset_cifs_unix_caps(int xid, struct cifsTconInfo *tcon, 164 struct super_block *sb, struct smb_vol *vol); 165 extern int CIFSSMBQFSInfo(const int xid, struct cifsTconInfo *tcon, 166 struct kstatfs *FSData); 167 extern int SMBOldQFSInfo(const int xid, struct cifsTconInfo *tcon, 168 struct kstatfs *FSData); 169 extern int CIFSSMBSetFSUnixInfo(const int xid, struct cifsTconInfo *tcon, 170 __u64 cap); 171 172 extern int CIFSSMBQFSAttributeInfo(const int xid, 173 struct cifsTconInfo *tcon); 174 extern int CIFSSMBQFSDeviceInfo(const int xid, struct cifsTconInfo *tcon); 175 extern int CIFSSMBQFSUnixInfo(const int xid, struct cifsTconInfo *tcon); 176 extern int CIFSSMBQFSPosixInfo(const int xid, struct cifsTconInfo *tcon, 177 struct kstatfs *FSData); 178 179 extern int CIFSSMBSetPathInfo(const int xid, struct cifsTconInfo *tcon, 180 const char *fileName, const FILE_BASIC_INFO *data, 181 const struct nls_table *nls_codepage, 182 int remap_special_chars); 183 extern int CIFSSMBSetFileInfo(const int xid, struct cifsTconInfo *tcon, 184 const FILE_BASIC_INFO *data, __u16 fid, 185 __u32 pid_of_opener); 186 extern int CIFSSMBSetFileDisposition(const int xid, struct cifsTconInfo *tcon, 187 bool delete_file, __u16 fid, __u32 pid_of_opener); 188 #if 0 189 extern int CIFSSMBSetAttrLegacy(int xid, struct cifsTconInfo *tcon, 190 char *fileName, __u16 dos_attributes, 191 const struct nls_table *nls_codepage); 192 #endif /* possibly unneeded function */ 193 extern int CIFSSMBSetEOF(const int xid, struct cifsTconInfo *tcon, 194 const char *fileName, __u64 size, 195 bool setAllocationSizeFlag, 196 const struct nls_table *nls_codepage, 197 int remap_special_chars); 198 extern int CIFSSMBSetFileSize(const int xid, struct cifsTconInfo *tcon, 199 __u64 size, __u16 fileHandle, __u32 opener_pid, 200 bool AllocSizeFlag); 201 202 struct cifs_unix_set_info_args { 203 __u64 ctime; 204 __u64 atime; 205 __u64 mtime; 206 __u64 mode; 207 __u64 uid; 208 __u64 gid; 209 dev_t device; 210 }; 211 212 extern int CIFSSMBUnixSetInfo(const int xid, struct cifsTconInfo *pTcon, 213 char *fileName, 214 const struct cifs_unix_set_info_args *args, 215 const struct nls_table *nls_codepage, 216 int remap_special_chars); 217 218 extern int CIFSSMBMkDir(const int xid, struct cifsTconInfo *tcon, 219 const char *newName, 220 const struct nls_table *nls_codepage, 221 int remap_special_chars); 222 extern int CIFSSMBRmDir(const int xid, struct cifsTconInfo *tcon, 223 const char *name, const struct nls_table *nls_codepage, 224 int remap_special_chars); 225 extern int CIFSPOSIXDelFile(const int xid, struct cifsTconInfo *tcon, 226 const char *name, __u16 type, 227 const struct nls_table *nls_codepage, 228 int remap_special_chars); 229 extern int CIFSSMBDelFile(const int xid, struct cifsTconInfo *tcon, 230 const char *name, 231 const struct nls_table *nls_codepage, 232 int remap_special_chars); 233 extern int CIFSSMBRename(const int xid, struct cifsTconInfo *tcon, 234 const char *fromName, const char *toName, 235 const struct nls_table *nls_codepage, 236 int remap_special_chars); 237 extern int CIFSSMBRenameOpenFile(const int xid, struct cifsTconInfo *pTcon, 238 int netfid, const char *target_name, 239 const struct nls_table *nls_codepage, 240 int remap_special_chars); 241 extern int CIFSCreateHardLink(const int xid, 242 struct cifsTconInfo *tcon, 243 const char *fromName, const char *toName, 244 const struct nls_table *nls_codepage, 245 int remap_special_chars); 246 extern int CIFSUnixCreateHardLink(const int xid, 247 struct cifsTconInfo *tcon, 248 const char *fromName, const char *toName, 249 const struct nls_table *nls_codepage, 250 int remap_special_chars); 251 extern int CIFSUnixCreateSymLink(const int xid, 252 struct cifsTconInfo *tcon, 253 const char *fromName, const char *toName, 254 const struct nls_table *nls_codepage); 255 extern int CIFSSMBUnixQuerySymLink(const int xid, 256 struct cifsTconInfo *tcon, 257 const unsigned char *searchName, 258 char *syminfo, const int buflen, 259 const struct nls_table *nls_codepage); 260 extern int CIFSSMBQueryReparseLinkInfo(const int xid, 261 struct cifsTconInfo *tcon, 262 const unsigned char *searchName, 263 char *symlinkinfo, const int buflen, __u16 fid, 264 const struct nls_table *nls_codepage); 265 266 extern int CIFSSMBOpen(const int xid, struct cifsTconInfo *tcon, 267 const char *fileName, const int disposition, 268 const int access_flags, const int omode, 269 __u16 *netfid, int *pOplock, FILE_ALL_INFO *, 270 const struct nls_table *nls_codepage, int remap); 271 extern int SMBLegacyOpen(const int xid, struct cifsTconInfo *tcon, 272 const char *fileName, const int disposition, 273 const int access_flags, const int omode, 274 __u16 *netfid, int *pOplock, FILE_ALL_INFO *, 275 const struct nls_table *nls_codepage, int remap); 276 extern int CIFSPOSIXCreate(const int xid, struct cifsTconInfo *tcon, 277 u32 posix_flags, __u64 mode, __u16 *netfid, 278 FILE_UNIX_BASIC_INFO *pRetData, 279 __u32 *pOplock, const char *name, 280 const struct nls_table *nls_codepage, int remap); 281 extern int CIFSSMBClose(const int xid, struct cifsTconInfo *tcon, 282 const int smb_file_id); 283 284 extern int CIFSSMBRead(const int xid, struct cifsTconInfo *tcon, 285 const int netfid, unsigned int count, 286 const __u64 lseek, unsigned int *nbytes, char **buf, 287 int *return_buf_type); 288 extern int CIFSSMBWrite(const int xid, struct cifsTconInfo *tcon, 289 const int netfid, const unsigned int count, 290 const __u64 lseek, unsigned int *nbytes, 291 const char *buf, const char __user *ubuf, 292 const int long_op); 293 extern int CIFSSMBWrite2(const int xid, struct cifsTconInfo *tcon, 294 const int netfid, const unsigned int count, 295 const __u64 offset, unsigned int *nbytes, 296 struct kvec *iov, const int nvec, const int long_op); 297 extern int CIFSGetSrvInodeNumber(const int xid, struct cifsTconInfo *tcon, 298 const unsigned char *searchName, __u64 *inode_number, 299 const struct nls_table *nls_codepage, 300 int remap_special_chars); 301 extern int cifs_convertUCSpath(char *target, const __le16 *source, int maxlen, 302 const struct nls_table *codepage); 303 extern int cifsConvertToUCS(__le16 *target, const char *source, int maxlen, 304 const struct nls_table *cp, int mapChars); 305 306 extern int CIFSSMBLock(const int xid, struct cifsTconInfo *tcon, 307 const __u16 netfid, const __u64 len, 308 const __u64 offset, const __u32 numUnlock, 309 const __u32 numLock, const __u8 lockType, 310 const bool waitFlag); 311 extern int CIFSSMBPosixLock(const int xid, struct cifsTconInfo *tcon, 312 const __u16 smb_file_id, const int get_flag, 313 const __u64 len, struct file_lock *, 314 const __u16 lock_type, const bool waitFlag); 315 extern int CIFSSMBTDis(const int xid, struct cifsTconInfo *tcon); 316 extern int CIFSSMBLogoff(const int xid, struct cifsSesInfo *ses); 317 318 extern struct cifsSesInfo *sesInfoAlloc(void); 319 extern void sesInfoFree(struct cifsSesInfo *); 320 extern struct cifsTconInfo *tconInfoAlloc(void); 321 extern void tconInfoFree(struct cifsTconInfo *); 322 323 extern int cifs_sign_smb(struct smb_hdr *, struct TCP_Server_Info *, __u32 *); 324 extern int cifs_sign_smb2(struct kvec *iov, int n_vec, struct TCP_Server_Info *, 325 __u32 *); 326 extern int cifs_verify_signature(struct smb_hdr *, 327 const struct mac_key *mac_key, 328 __u32 expected_sequence_number); 329 extern int cifs_calculate_mac_key(struct mac_key *key, const char *rn, 330 const char *pass); 331 extern int CalcNTLMv2_partial_mac_key(struct cifsSesInfo *, 332 const struct nls_table *); 333 extern void CalcNTLMv2_response(const struct cifsSesInfo *, char *); 334 extern void setup_ntlmv2_rsp(struct cifsSesInfo *, char *, 335 const struct nls_table *); 336 #ifdef CONFIG_CIFS_WEAK_PW_HASH 337 extern void calc_lanman_hash(const char *password, const char *cryptkey, 338 bool encrypt, char *lnm_session_key); 339 #endif /* CIFS_WEAK_PW_HASH */ 340 extern int CIFSSMBCopy(int xid, 341 struct cifsTconInfo *source_tcon, 342 const char *fromName, 343 const __u16 target_tid, 344 const char *toName, const int flags, 345 const struct nls_table *nls_codepage, 346 int remap_special_chars); 347 extern int CIFSSMBNotify(const int xid, struct cifsTconInfo *tcon, 348 const int notify_subdirs, const __u16 netfid, 349 __u32 filter, struct file *file, int multishot, 350 const struct nls_table *nls_codepage); 351 extern ssize_t CIFSSMBQAllEAs(const int xid, struct cifsTconInfo *tcon, 352 const unsigned char *searchName, char *EAData, 353 size_t bufsize, const struct nls_table *nls_codepage, 354 int remap_special_chars); 355 extern ssize_t CIFSSMBQueryEA(const int xid, struct cifsTconInfo *tcon, 356 const unsigned char *searchName, const unsigned char *ea_name, 357 unsigned char *ea_value, size_t buf_size, 358 const struct nls_table *nls_codepage, int remap_special_chars); 359 extern int CIFSSMBSetEA(const int xid, struct cifsTconInfo *tcon, 360 const char *fileName, const char *ea_name, 361 const void *ea_value, const __u16 ea_value_len, 362 const struct nls_table *nls_codepage, int remap_special_chars); 363 extern int CIFSSMBGetCIFSACL(const int xid, struct cifsTconInfo *tcon, 364 __u16 fid, struct cifs_ntsd **acl_inf, __u32 *buflen); 365 extern int CIFSSMBSetCIFSACL(const int, struct cifsTconInfo *, __u16, 366 struct cifs_ntsd *, __u32); 367 extern int CIFSSMBGetPosixACL(const int xid, struct cifsTconInfo *tcon, 368 const unsigned char *searchName, 369 char *acl_inf, const int buflen, const int acl_type, 370 const struct nls_table *nls_codepage, int remap_special_chars); 371 extern int CIFSSMBSetPosixACL(const int xid, struct cifsTconInfo *tcon, 372 const unsigned char *fileName, 373 const char *local_acl, const int buflen, const int acl_type, 374 const struct nls_table *nls_codepage, int remap_special_chars); 375 extern int CIFSGetExtAttr(const int xid, struct cifsTconInfo *tcon, 376 const int netfid, __u64 *pExtAttrBits, __u64 *pMask); 377 #endif /* _CIFSPROTO_H */ 378