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 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 TCP_Server_Info *, struct smb_hdr *, 39 unsigned int /* length */); 40extern unsigned int _GetXid(void); 41extern void _FreeXid(unsigned int); 42#define GetXid() \ 43({ \ 44 int __xid = (int)_GetXid(); \ 45 cFYI(1, "CIFS VFS: in %s as Xid: %d with uid: %d", \ 46 __func__, __xid, current_fsuid()); \ 47 __xid; \ 48}) 49 50#define FreeXid(curr_xid) \ 51do { \ 52 _FreeXid(curr_xid); \ 53 cFYI(1, "CIFS VFS: leaving %s (xid = %d) rc = %d", \ 54 __func__, curr_xid, (int)rc); \ 55} while (0) 56extern char *build_path_from_dentry(struct dentry *); 57extern char *cifs_build_path_to_root(struct cifs_sb_info *cifs_sb); 58extern char *build_wildcard_path_from_dentry(struct dentry *direntry); 59extern char *cifs_compose_mount_options(const char *sb_mountdata, 60 const char *fullpath, const struct dfs_info3_param *ref, 61 char **devname); 62/* extern void renew_parental_timestamps(struct dentry *direntry);*/ 63extern int SendReceive(const unsigned int /* xid */ , struct cifsSesInfo *, 64 struct smb_hdr * /* input */ , 65 struct smb_hdr * /* out */ , 66 int * /* bytes returned */ , const int long_op); 67extern int SendReceiveNoRsp(const unsigned int xid, struct cifsSesInfo *ses, 68 struct smb_hdr *in_buf, int flags); 69extern int SendReceive2(const unsigned int /* xid */ , struct cifsSesInfo *, 70 struct kvec *, int /* nvec to send */, 71 int * /* type of buf returned */ , const int flags); 72extern int SendReceiveBlockingLock(const unsigned int xid, 73 struct cifsTconInfo *ptcon, 74 struct smb_hdr *in_buf , 75 struct smb_hdr *out_buf, 76 int *bytes_returned); 77extern int checkSMB(struct smb_hdr *smb, __u16 mid, unsigned int length); 78extern bool is_valid_oplock_break(struct smb_hdr *smb, 79 struct TCP_Server_Info *); 80extern bool is_size_safe_to_change(struct cifsInodeInfo *, __u64 eof); 81extern struct cifsFileInfo *find_writable_file(struct cifsInodeInfo *); 82#ifdef CONFIG_CIFS_EXPERIMENTAL 83extern struct cifsFileInfo *find_readable_file(struct cifsInodeInfo *); 84#endif 85extern unsigned int smbCalcSize(struct smb_hdr *ptr); 86extern unsigned int smbCalcSize_LE(struct smb_hdr *ptr); 87extern int decode_negTokenInit(unsigned char *security_blob, int length, 88 struct TCP_Server_Info *server); 89extern int cifs_convert_address(struct sockaddr *dst, const char *src, int len); 90extern int cifs_set_port(struct sockaddr *addr, const unsigned short int port); 91extern int cifs_fill_sockaddr(struct sockaddr *dst, const char *src, int len, 92 const unsigned short int port); 93extern int map_smb_to_linux_error(struct smb_hdr *smb, int logErr); 94extern void header_assemble(struct smb_hdr *, char /* command */ , 95 const struct cifsTconInfo *, int /* length of 96 fixed section (word count) in two byte units */); 97extern int small_smb_init_no_tc(const int smb_cmd, const int wct, 98 struct cifsSesInfo *ses, 99 void **request_buf); 100extern int CIFS_SessSetup(unsigned int xid, struct cifsSesInfo *ses, 101 const struct nls_table *nls_cp); 102extern __u16 GetNextMid(struct TCP_Server_Info *server); 103extern struct timespec cifs_NTtimeToUnix(__le64 utc_nanoseconds_since_1601); 104extern u64 cifs_UnixTimeToNT(struct timespec); 105extern struct timespec cnvrtDosUnixTm(__le16 le_date, __le16 le_time, 106 int offset); 107 108extern struct cifsFileInfo *cifs_new_fileinfo(struct inode *newinode, 109 __u16 fileHandle, struct file *file, 110 struct vfsmount *mnt, unsigned int oflags, 111 __u32 oplock); 112extern int cifs_posix_open(char *full_path, struct inode **pinode, 113 struct super_block *sb, 114 int mode, int oflags, 115 __u32 *poplock, __u16 *pnetfid, int xid); 116void cifs_fill_uniqueid(struct super_block *sb, struct cifs_fattr *fattr); 117extern void cifs_unix_basic_to_fattr(struct cifs_fattr *fattr, 118 FILE_UNIX_BASIC_INFO *info, 119 struct cifs_sb_info *cifs_sb); 120extern void cifs_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr); 121extern struct inode *cifs_iget(struct super_block *sb, 122 struct cifs_fattr *fattr); 123 124extern int cifs_get_file_info(struct file *filp); 125extern int cifs_get_inode_info(struct inode **pinode, 126 const unsigned char *search_path, 127 FILE_ALL_INFO *pfile_info, 128 struct super_block *sb, int xid, const __u16 *pfid); 129extern int cifs_get_file_info_unix(struct file *filp); 130extern int cifs_get_inode_info_unix(struct inode **pinode, 131 const unsigned char *search_path, 132 struct super_block *sb, int xid); 133extern void cifs_acl_to_fattr(struct cifs_sb_info *cifs_sb, 134 struct cifs_fattr *fattr, struct inode *inode, 135 const char *path, const __u16 *pfid); 136extern int mode_to_acl(struct inode *inode, const char *path, __u64); 137 138extern int cifs_mount(struct super_block *, struct cifs_sb_info *, char *, 139 const char *); 140extern int cifs_umount(struct super_block *, struct cifs_sb_info *); 141extern void cifs_dfs_release_automount_timer(void); 142void cifs_proc_init(void); 143void cifs_proc_clean(void); 144 145extern int cifs_negotiate_protocol(unsigned int xid, 146 struct cifsSesInfo *ses); 147extern int cifs_setup_session(unsigned int xid, struct cifsSesInfo *ses, 148 struct nls_table *nls_info); 149extern int CIFSSMBNegotiate(unsigned int xid, struct cifsSesInfo *ses); 150 151extern int CIFSTCon(unsigned int xid, struct cifsSesInfo *ses, 152 const char *tree, struct cifsTconInfo *tcon, 153 const struct nls_table *); 154 155extern int CIFSFindFirst(const int xid, struct cifsTconInfo *tcon, 156 const char *searchName, const struct nls_table *nls_codepage, 157 __u16 *searchHandle, struct cifs_search_info *psrch_inf, 158 int map, const char dirsep); 159 160extern int CIFSFindNext(const int xid, struct cifsTconInfo *tcon, 161 __u16 searchHandle, struct cifs_search_info *psrch_inf); 162 163extern int CIFSFindClose(const int, struct cifsTconInfo *tcon, 164 const __u16 search_handle); 165 166extern int CIFSSMBQFileInfo(const int xid, struct cifsTconInfo *tcon, 167 u16 netfid, FILE_ALL_INFO *pFindData); 168extern int CIFSSMBQPathInfo(const int xid, struct cifsTconInfo *tcon, 169 const unsigned char *searchName, 170 FILE_ALL_INFO *findData, 171 int legacy /* whether to use old info level */, 172 const struct nls_table *nls_codepage, int remap); 173extern int SMBQueryInformation(const int xid, struct cifsTconInfo *tcon, 174 const unsigned char *searchName, 175 FILE_ALL_INFO *findData, 176 const struct nls_table *nls_codepage, int remap); 177 178extern int CIFSSMBUnixQFileInfo(const int xid, struct cifsTconInfo *tcon, 179 u16 netfid, FILE_UNIX_BASIC_INFO *pFindData); 180extern int CIFSSMBUnixQPathInfo(const int xid, 181 struct cifsTconInfo *tcon, 182 const unsigned char *searchName, 183 FILE_UNIX_BASIC_INFO *pFindData, 184 const struct nls_table *nls_codepage, int remap); 185 186extern int CIFSGetDFSRefer(const int xid, struct cifsSesInfo *ses, 187 const unsigned char *searchName, 188 struct dfs_info3_param **target_nodes, 189 unsigned int *number_of_nodes_in_array, 190 const struct nls_table *nls_codepage, int remap); 191 192extern int get_dfs_path(int xid, struct cifsSesInfo *pSesInfo, 193 const char *old_path, 194 const struct nls_table *nls_codepage, 195 unsigned int *pnum_referrals, 196 struct dfs_info3_param **preferrals, 197 int remap); 198extern void reset_cifs_unix_caps(int xid, struct cifsTconInfo *tcon, 199 struct super_block *sb, struct smb_vol *vol); 200extern int CIFSSMBQFSInfo(const int xid, struct cifsTconInfo *tcon, 201 struct kstatfs *FSData); 202extern int SMBOldQFSInfo(const int xid, struct cifsTconInfo *tcon, 203 struct kstatfs *FSData); 204extern int CIFSSMBSetFSUnixInfo(const int xid, struct cifsTconInfo *tcon, 205 __u64 cap); 206 207extern int CIFSSMBQFSAttributeInfo(const int xid, 208 struct cifsTconInfo *tcon); 209extern int CIFSSMBQFSDeviceInfo(const int xid, struct cifsTconInfo *tcon); 210extern int CIFSSMBQFSUnixInfo(const int xid, struct cifsTconInfo *tcon); 211extern int CIFSSMBQFSPosixInfo(const int xid, struct cifsTconInfo *tcon, 212 struct kstatfs *FSData); 213 214extern int CIFSSMBSetPathInfo(const int xid, struct cifsTconInfo *tcon, 215 const char *fileName, const FILE_BASIC_INFO *data, 216 const struct nls_table *nls_codepage, 217 int remap_special_chars); 218extern int CIFSSMBSetFileInfo(const int xid, struct cifsTconInfo *tcon, 219 const FILE_BASIC_INFO *data, __u16 fid, 220 __u32 pid_of_opener); 221extern int CIFSSMBSetFileDisposition(const int xid, struct cifsTconInfo *tcon, 222 bool delete_file, __u16 fid, __u32 pid_of_opener); 223extern int CIFSSMBSetEOF(const int xid, struct cifsTconInfo *tcon, 224 const char *fileName, __u64 size, 225 bool setAllocationSizeFlag, 226 const struct nls_table *nls_codepage, 227 int remap_special_chars); 228extern int CIFSSMBSetFileSize(const int xid, struct cifsTconInfo *tcon, 229 __u64 size, __u16 fileHandle, __u32 opener_pid, 230 bool AllocSizeFlag); 231 232struct cifs_unix_set_info_args { 233 __u64 ctime; 234 __u64 atime; 235 __u64 mtime; 236 __u64 mode; 237 __u64 uid; 238 __u64 gid; 239 dev_t device; 240}; 241 242extern int CIFSSMBUnixSetFileInfo(const int xid, struct cifsTconInfo *tcon, 243 const struct cifs_unix_set_info_args *args, 244 u16 fid, u32 pid_of_opener); 245 246extern int CIFSSMBUnixSetPathInfo(const int xid, struct cifsTconInfo *pTcon, 247 char *fileName, 248 const struct cifs_unix_set_info_args *args, 249 const struct nls_table *nls_codepage, 250 int remap_special_chars); 251 252extern int CIFSSMBMkDir(const int xid, struct cifsTconInfo *tcon, 253 const char *newName, 254 const struct nls_table *nls_codepage, 255 int remap_special_chars); 256extern int CIFSSMBRmDir(const int xid, struct cifsTconInfo *tcon, 257 const char *name, const struct nls_table *nls_codepage, 258 int remap_special_chars); 259extern int CIFSPOSIXDelFile(const int xid, struct cifsTconInfo *tcon, 260 const char *name, __u16 type, 261 const struct nls_table *nls_codepage, 262 int remap_special_chars); 263extern int CIFSSMBDelFile(const int xid, struct cifsTconInfo *tcon, 264 const char *name, 265 const struct nls_table *nls_codepage, 266 int remap_special_chars); 267extern int CIFSSMBRename(const int xid, struct cifsTconInfo *tcon, 268 const char *fromName, const char *toName, 269 const struct nls_table *nls_codepage, 270 int remap_special_chars); 271extern int CIFSSMBRenameOpenFile(const int xid, struct cifsTconInfo *pTcon, 272 int netfid, const char *target_name, 273 const struct nls_table *nls_codepage, 274 int remap_special_chars); 275extern int CIFSCreateHardLink(const int xid, 276 struct cifsTconInfo *tcon, 277 const char *fromName, const char *toName, 278 const struct nls_table *nls_codepage, 279 int remap_special_chars); 280extern int CIFSUnixCreateHardLink(const int xid, 281 struct cifsTconInfo *tcon, 282 const char *fromName, const char *toName, 283 const struct nls_table *nls_codepage, 284 int remap_special_chars); 285extern int CIFSUnixCreateSymLink(const int xid, 286 struct cifsTconInfo *tcon, 287 const char *fromName, const char *toName, 288 const struct nls_table *nls_codepage); 289extern int CIFSSMBUnixQuerySymLink(const int xid, 290 struct cifsTconInfo *tcon, 291 const unsigned char *searchName, char **syminfo, 292 const struct nls_table *nls_codepage); 293extern int CIFSSMBQueryReparseLinkInfo(const int xid, 294 struct cifsTconInfo *tcon, 295 const unsigned char *searchName, 296 char *symlinkinfo, const int buflen, __u16 fid, 297 const struct nls_table *nls_codepage); 298 299extern int CIFSSMBOpen(const int xid, struct cifsTconInfo *tcon, 300 const char *fileName, const int disposition, 301 const int access_flags, const int omode, 302 __u16 *netfid, int *pOplock, FILE_ALL_INFO *, 303 const struct nls_table *nls_codepage, int remap); 304extern int SMBLegacyOpen(const int xid, struct cifsTconInfo *tcon, 305 const char *fileName, const int disposition, 306 const int access_flags, const int omode, 307 __u16 *netfid, int *pOplock, FILE_ALL_INFO *, 308 const struct nls_table *nls_codepage, int remap); 309extern int CIFSPOSIXCreate(const int xid, struct cifsTconInfo *tcon, 310 u32 posix_flags, __u64 mode, __u16 *netfid, 311 FILE_UNIX_BASIC_INFO *pRetData, 312 __u32 *pOplock, const char *name, 313 const struct nls_table *nls_codepage, int remap); 314extern int CIFSSMBClose(const int xid, struct cifsTconInfo *tcon, 315 const int smb_file_id); 316 317extern int CIFSSMBFlush(const int xid, struct cifsTconInfo *tcon, 318 const int smb_file_id); 319 320extern int CIFSSMBRead(const int xid, struct cifsTconInfo *tcon, 321 const int netfid, unsigned int count, 322 const __u64 lseek, unsigned int *nbytes, char **buf, 323 int *return_buf_type); 324extern int CIFSSMBWrite(const int xid, struct cifsTconInfo *tcon, 325 const int netfid, const unsigned int count, 326 const __u64 lseek, unsigned int *nbytes, 327 const char *buf, const char __user *ubuf, 328 const int long_op); 329extern int CIFSSMBWrite2(const int xid, struct cifsTconInfo *tcon, 330 const int netfid, const unsigned int count, 331 const __u64 offset, unsigned int *nbytes, 332 struct kvec *iov, const int nvec, const int long_op); 333extern int CIFSGetSrvInodeNumber(const int xid, struct cifsTconInfo *tcon, 334 const unsigned char *searchName, __u64 *inode_number, 335 const struct nls_table *nls_codepage, 336 int remap_special_chars); 337extern int cifsConvertToUCS(__le16 *target, const char *source, int maxlen, 338 const struct nls_table *cp, int mapChars); 339 340extern int CIFSSMBLock(const int xid, struct cifsTconInfo *tcon, 341 const __u16 netfid, const __u64 len, 342 const __u64 offset, const __u32 numUnlock, 343 const __u32 numLock, const __u8 lockType, 344 const bool waitFlag); 345extern int CIFSSMBPosixLock(const int xid, struct cifsTconInfo *tcon, 346 const __u16 smb_file_id, const int get_flag, 347 const __u64 len, struct file_lock *, 348 const __u16 lock_type, const bool waitFlag); 349extern int CIFSSMBTDis(const int xid, struct cifsTconInfo *tcon); 350extern int CIFSSMBLogoff(const int xid, struct cifsSesInfo *ses); 351 352extern struct cifsSesInfo *sesInfoAlloc(void); 353extern void sesInfoFree(struct cifsSesInfo *); 354extern struct cifsTconInfo *tconInfoAlloc(void); 355extern void tconInfoFree(struct cifsTconInfo *); 356 357extern int cifs_sign_smb(struct smb_hdr *, struct TCP_Server_Info *, __u32 *); 358extern int cifs_sign_smb2(struct kvec *iov, int n_vec, struct TCP_Server_Info *, 359 __u32 *); 360extern int cifs_verify_signature(struct smb_hdr *, 361 const struct mac_key *mac_key, 362 __u32 expected_sequence_number); 363extern int cifs_calculate_mac_key(struct mac_key *key, const char *rn, 364 const char *pass); 365extern void CalcNTLMv2_response(const struct cifsSesInfo *, char *); 366extern void setup_ntlmv2_rsp(struct cifsSesInfo *, char *, 367 const struct nls_table *); 368#ifdef CONFIG_CIFS_WEAK_PW_HASH 369extern void calc_lanman_hash(const char *password, const char *cryptkey, 370 bool encrypt, char *lnm_session_key); 371#endif /* CIFS_WEAK_PW_HASH */ 372extern int CIFSSMBCopy(int xid, 373 struct cifsTconInfo *source_tcon, 374 const char *fromName, 375 const __u16 target_tid, 376 const char *toName, const int flags, 377 const struct nls_table *nls_codepage, 378 int remap_special_chars); 379extern int CIFSSMBNotify(const int xid, struct cifsTconInfo *tcon, 380 const int notify_subdirs, const __u16 netfid, 381 __u32 filter, struct file *file, int multishot, 382 const struct nls_table *nls_codepage); 383extern ssize_t CIFSSMBQAllEAs(const int xid, struct cifsTconInfo *tcon, 384 const unsigned char *searchName, 385 const unsigned char *ea_name, char *EAData, 386 size_t bufsize, const struct nls_table *nls_codepage, 387 int remap_special_chars); 388extern int CIFSSMBSetEA(const int xid, struct cifsTconInfo *tcon, 389 const char *fileName, const char *ea_name, 390 const void *ea_value, const __u16 ea_value_len, 391 const struct nls_table *nls_codepage, int remap_special_chars); 392extern int CIFSSMBGetCIFSACL(const int xid, struct cifsTconInfo *tcon, 393 __u16 fid, struct cifs_ntsd **acl_inf, __u32 *buflen); 394extern int CIFSSMBSetCIFSACL(const int, struct cifsTconInfo *, __u16, 395 struct cifs_ntsd *, __u32); 396extern int CIFSSMBGetPosixACL(const int xid, struct cifsTconInfo *tcon, 397 const unsigned char *searchName, 398 char *acl_inf, const int buflen, const int acl_type, 399 const struct nls_table *nls_codepage, int remap_special_chars); 400extern int CIFSSMBSetPosixACL(const int xid, struct cifsTconInfo *tcon, 401 const unsigned char *fileName, 402 const char *local_acl, const int buflen, const int acl_type, 403 const struct nls_table *nls_codepage, int remap_special_chars); 404extern int CIFSGetExtAttr(const int xid, struct cifsTconInfo *tcon, 405 const int netfid, __u64 *pExtAttrBits, __u64 *pMask); 406extern void cifs_autodisable_serverino(struct cifs_sb_info *cifs_sb); 407#endif /* _CIFSPROTO_H */ 408