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 struct smb_rqst; 28 29 /* 30 ***************************************************************** 31 * All Prototypes 32 ***************************************************************** 33 */ 34 35 extern struct smb_hdr *cifs_buf_get(void); 36 extern void cifs_buf_release(void *); 37 extern struct smb_hdr *cifs_small_buf_get(void); 38 extern void cifs_small_buf_release(void *); 39 extern void free_rsp_buf(int, void *); 40 extern int smb_send(struct TCP_Server_Info *, struct smb_hdr *, 41 unsigned int /* length */); 42 extern unsigned int _get_xid(void); 43 extern void _free_xid(unsigned int); 44 #define get_xid() \ 45 ({ \ 46 unsigned int __xid = _get_xid(); \ 47 cifs_dbg(FYI, "CIFS VFS: in %s as Xid: %u with uid: %d\n", \ 48 __func__, __xid, \ 49 from_kuid(&init_user_ns, current_fsuid())); \ 50 __xid; \ 51 }) 52 53 #define free_xid(curr_xid) \ 54 do { \ 55 _free_xid(curr_xid); \ 56 cifs_dbg(FYI, "CIFS VFS: leaving %s (xid = %u) rc = %d\n", \ 57 __func__, curr_xid, (int)rc); \ 58 } while (0) 59 extern int init_cifs_idmap(void); 60 extern void exit_cifs_idmap(void); 61 extern int init_cifs_spnego(void); 62 extern void exit_cifs_spnego(void); 63 extern char *build_path_from_dentry(struct dentry *); 64 extern char *build_path_from_dentry_optional_prefix(struct dentry *direntry, 65 bool prefix); 66 extern char *cifs_build_path_to_root(struct smb_vol *vol, 67 struct cifs_sb_info *cifs_sb, 68 struct cifs_tcon *tcon, 69 int add_treename); 70 extern char *build_wildcard_path_from_dentry(struct dentry *direntry); 71 extern char *cifs_compose_mount_options(const char *sb_mountdata, 72 const char *fullpath, const struct dfs_info3_param *ref, 73 char **devname); 74 /* extern void renew_parental_timestamps(struct dentry *direntry);*/ 75 extern struct mid_q_entry *AllocMidQEntry(const struct smb_hdr *smb_buffer, 76 struct TCP_Server_Info *server); 77 extern void DeleteMidQEntry(struct mid_q_entry *midEntry); 78 extern void cifs_delete_mid(struct mid_q_entry *mid); 79 extern void cifs_mid_q_entry_release(struct mid_q_entry *midEntry); 80 extern void cifs_wake_up_task(struct mid_q_entry *mid); 81 extern int cifs_handle_standard(struct TCP_Server_Info *server, 82 struct mid_q_entry *mid); 83 extern int cifs_discard_remaining_data(struct TCP_Server_Info *server); 84 extern int cifs_call_async(struct TCP_Server_Info *server, 85 struct smb_rqst *rqst, 86 mid_receive_t *receive, mid_callback_t *callback, 87 mid_handle_t *handle, void *cbdata, const int flags); 88 extern int cifs_send_recv(const unsigned int xid, struct cifs_ses *ses, 89 struct smb_rqst *rqst, int *resp_buf_type, 90 const int flags, struct kvec *resp_iov); 91 extern int SendReceive(const unsigned int /* xid */ , struct cifs_ses *, 92 struct smb_hdr * /* input */ , 93 struct smb_hdr * /* out */ , 94 int * /* bytes returned */ , const int); 95 extern int SendReceiveNoRsp(const unsigned int xid, struct cifs_ses *ses, 96 char *in_buf, int flags); 97 extern struct mid_q_entry *cifs_setup_request(struct cifs_ses *, 98 struct smb_rqst *); 99 extern struct mid_q_entry *cifs_setup_async_request(struct TCP_Server_Info *, 100 struct smb_rqst *); 101 extern int cifs_check_receive(struct mid_q_entry *mid, 102 struct TCP_Server_Info *server, bool log_error); 103 extern int cifs_wait_mtu_credits(struct TCP_Server_Info *server, 104 unsigned int size, unsigned int *num, 105 unsigned int *credits); 106 extern int SendReceive2(const unsigned int /* xid */ , struct cifs_ses *, 107 struct kvec *, int /* nvec to send */, 108 int * /* type of buf returned */, const int flags, 109 struct kvec * /* resp vec */); 110 extern int SendReceiveBlockingLock(const unsigned int xid, 111 struct cifs_tcon *ptcon, 112 struct smb_hdr *in_buf , 113 struct smb_hdr *out_buf, 114 int *bytes_returned); 115 extern int cifs_reconnect(struct TCP_Server_Info *server); 116 extern int checkSMB(char *buf, unsigned int len, struct TCP_Server_Info *srvr); 117 extern bool is_valid_oplock_break(char *, struct TCP_Server_Info *); 118 extern bool backup_cred(struct cifs_sb_info *); 119 extern bool is_size_safe_to_change(struct cifsInodeInfo *, __u64 eof); 120 extern void cifs_update_eof(struct cifsInodeInfo *cifsi, loff_t offset, 121 unsigned int bytes_written); 122 extern struct cifsFileInfo *find_writable_file(struct cifsInodeInfo *, bool); 123 extern struct cifsFileInfo *find_readable_file(struct cifsInodeInfo *, bool); 124 extern unsigned int smbCalcSize(void *buf); 125 extern int decode_negTokenInit(unsigned char *security_blob, int length, 126 struct TCP_Server_Info *server); 127 extern int cifs_convert_address(struct sockaddr *dst, const char *src, int len); 128 extern void cifs_set_port(struct sockaddr *addr, const unsigned short int port); 129 extern int map_smb_to_linux_error(char *buf, bool logErr); 130 extern void header_assemble(struct smb_hdr *, char /* command */ , 131 const struct cifs_tcon *, int /* length of 132 fixed section (word count) in two byte units */); 133 extern int small_smb_init_no_tc(const int smb_cmd, const int wct, 134 struct cifs_ses *ses, 135 void **request_buf); 136 extern enum securityEnum select_sectype(struct TCP_Server_Info *server, 137 enum securityEnum requested); 138 extern int CIFS_SessSetup(const unsigned int xid, struct cifs_ses *ses, 139 const struct nls_table *nls_cp); 140 extern struct timespec cifs_NTtimeToUnix(__le64 utc_nanoseconds_since_1601); 141 extern u64 cifs_UnixTimeToNT(struct timespec); 142 extern struct timespec cnvrtDosUnixTm(__le16 le_date, __le16 le_time, 143 int offset); 144 extern void cifs_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock); 145 extern int cifs_get_writer(struct cifsInodeInfo *cinode); 146 extern void cifs_put_writer(struct cifsInodeInfo *cinode); 147 extern void cifs_done_oplock_break(struct cifsInodeInfo *cinode); 148 extern int cifs_unlock_range(struct cifsFileInfo *cfile, 149 struct file_lock *flock, const unsigned int xid); 150 extern int cifs_push_mandatory_locks(struct cifsFileInfo *cfile); 151 152 extern void cifs_down_write(struct rw_semaphore *sem); 153 extern struct cifsFileInfo *cifs_new_fileinfo(struct cifs_fid *fid, 154 struct file *file, 155 struct tcon_link *tlink, 156 __u32 oplock); 157 extern int cifs_posix_open(char *full_path, struct inode **inode, 158 struct super_block *sb, int mode, 159 unsigned int f_flags, __u32 *oplock, __u16 *netfid, 160 unsigned int xid); 161 void cifs_fill_uniqueid(struct super_block *sb, struct cifs_fattr *fattr); 162 extern void cifs_unix_basic_to_fattr(struct cifs_fattr *fattr, 163 FILE_UNIX_BASIC_INFO *info, 164 struct cifs_sb_info *cifs_sb); 165 extern void cifs_dir_info_to_fattr(struct cifs_fattr *, FILE_DIRECTORY_INFO *, 166 struct cifs_sb_info *); 167 extern void cifs_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr); 168 extern struct inode *cifs_iget(struct super_block *sb, 169 struct cifs_fattr *fattr); 170 171 extern int cifs_get_inode_info(struct inode **inode, const char *full_path, 172 FILE_ALL_INFO *data, struct super_block *sb, 173 int xid, const struct cifs_fid *fid); 174 extern int cifs_get_inode_info_unix(struct inode **pinode, 175 const unsigned char *search_path, 176 struct super_block *sb, unsigned int xid); 177 extern int cifs_set_file_info(struct inode *inode, struct iattr *attrs, 178 unsigned int xid, char *full_path, __u32 dosattr); 179 extern int cifs_rename_pending_delete(const char *full_path, 180 struct dentry *dentry, 181 const unsigned int xid); 182 extern int cifs_acl_to_fattr(struct cifs_sb_info *cifs_sb, 183 struct cifs_fattr *fattr, struct inode *inode, 184 const char *path, const struct cifs_fid *pfid); 185 extern int id_mode_to_cifs_acl(struct inode *inode, const char *path, __u64, 186 kuid_t, kgid_t); 187 extern struct cifs_ntsd *get_cifs_acl(struct cifs_sb_info *, struct inode *, 188 const char *, u32 *); 189 extern struct cifs_ntsd *get_cifs_acl_by_fid(struct cifs_sb_info *, 190 const struct cifs_fid *, u32 *); 191 extern int set_cifs_acl(struct cifs_ntsd *, __u32, struct inode *, 192 const char *, int); 193 194 extern void dequeue_mid(struct mid_q_entry *mid, bool malformed); 195 extern int cifs_read_from_socket(struct TCP_Server_Info *server, char *buf, 196 unsigned int to_read); 197 extern int cifs_read_page_from_socket(struct TCP_Server_Info *server, 198 struct page *page, unsigned int to_read); 199 extern int cifs_setup_cifs_sb(struct smb_vol *pvolume_info, 200 struct cifs_sb_info *cifs_sb); 201 extern int cifs_match_super(struct super_block *, void *); 202 extern void cifs_cleanup_volume_info(struct smb_vol *pvolume_info); 203 extern struct smb_vol *cifs_get_volume_info(char *mount_data, 204 const char *devname); 205 extern int cifs_mount(struct cifs_sb_info *, struct smb_vol *); 206 extern void cifs_umount(struct cifs_sb_info *); 207 extern void cifs_mark_open_files_invalid(struct cifs_tcon *tcon); 208 extern void cifs_reopen_persistent_handles(struct cifs_tcon *tcon); 209 210 extern bool cifs_find_lock_conflict(struct cifsFileInfo *cfile, __u64 offset, 211 __u64 length, __u8 type, 212 struct cifsLockInfo **conf_lock, 213 int rw_check); 214 extern void cifs_add_pending_open(struct cifs_fid *fid, 215 struct tcon_link *tlink, 216 struct cifs_pending_open *open); 217 extern void cifs_add_pending_open_locked(struct cifs_fid *fid, 218 struct tcon_link *tlink, 219 struct cifs_pending_open *open); 220 extern void cifs_del_pending_open(struct cifs_pending_open *open); 221 extern void cifs_put_tcp_session(struct TCP_Server_Info *server, 222 int from_reconnect); 223 extern void cifs_put_tcon(struct cifs_tcon *tcon); 224 225 #if IS_ENABLED(CONFIG_CIFS_DFS_UPCALL) 226 extern void cifs_dfs_release_automount_timer(void); 227 #else /* ! IS_ENABLED(CONFIG_CIFS_DFS_UPCALL) */ 228 #define cifs_dfs_release_automount_timer() do { } while (0) 229 #endif /* ! IS_ENABLED(CONFIG_CIFS_DFS_UPCALL) */ 230 231 void cifs_proc_init(void); 232 void cifs_proc_clean(void); 233 234 extern void cifs_move_llist(struct list_head *source, struct list_head *dest); 235 extern void cifs_free_llist(struct list_head *llist); 236 extern void cifs_del_lock_waiters(struct cifsLockInfo *lock); 237 238 extern int cifs_negotiate_protocol(const unsigned int xid, 239 struct cifs_ses *ses); 240 extern int cifs_setup_session(const unsigned int xid, struct cifs_ses *ses, 241 struct nls_table *nls_info); 242 extern int cifs_enable_signing(struct TCP_Server_Info *server, bool mnt_sign_required); 243 extern int CIFSSMBNegotiate(const unsigned int xid, struct cifs_ses *ses); 244 245 extern int CIFSTCon(const unsigned int xid, struct cifs_ses *ses, 246 const char *tree, struct cifs_tcon *tcon, 247 const struct nls_table *); 248 249 extern int CIFSFindFirst(const unsigned int xid, struct cifs_tcon *tcon, 250 const char *searchName, struct cifs_sb_info *cifs_sb, 251 __u16 *searchHandle, __u16 search_flags, 252 struct cifs_search_info *psrch_inf, 253 bool msearch); 254 255 extern int CIFSFindNext(const unsigned int xid, struct cifs_tcon *tcon, 256 __u16 searchHandle, __u16 search_flags, 257 struct cifs_search_info *psrch_inf); 258 259 extern int CIFSFindClose(const unsigned int xid, struct cifs_tcon *tcon, 260 const __u16 search_handle); 261 262 extern int CIFSSMBQFileInfo(const unsigned int xid, struct cifs_tcon *tcon, 263 u16 netfid, FILE_ALL_INFO *pFindData); 264 extern int CIFSSMBQPathInfo(const unsigned int xid, struct cifs_tcon *tcon, 265 const char *search_Name, FILE_ALL_INFO *data, 266 int legacy /* whether to use old info level */, 267 const struct nls_table *nls_codepage, int remap); 268 extern int SMBQueryInformation(const unsigned int xid, struct cifs_tcon *tcon, 269 const char *search_name, FILE_ALL_INFO *data, 270 const struct nls_table *nls_codepage, int remap); 271 272 extern int CIFSSMBUnixQFileInfo(const unsigned int xid, struct cifs_tcon *tcon, 273 u16 netfid, FILE_UNIX_BASIC_INFO *pFindData); 274 extern int CIFSSMBUnixQPathInfo(const unsigned int xid, 275 struct cifs_tcon *tcon, 276 const unsigned char *searchName, 277 FILE_UNIX_BASIC_INFO *pFindData, 278 const struct nls_table *nls_codepage, int remap); 279 280 extern int CIFSGetDFSRefer(const unsigned int xid, struct cifs_ses *ses, 281 const char *search_name, 282 struct dfs_info3_param **target_nodes, 283 unsigned int *num_of_nodes, 284 const struct nls_table *nls_codepage, int remap); 285 286 extern int get_dfs_path(const unsigned int xid, struct cifs_ses *ses, 287 const char *old_path, 288 const struct nls_table *nls_codepage, 289 unsigned int *num_referrals, 290 struct dfs_info3_param **referrals, int remap); 291 extern int parse_dfs_referrals(struct get_dfs_referral_rsp *rsp, u32 rsp_size, 292 unsigned int *num_of_nodes, 293 struct dfs_info3_param **target_nodes, 294 const struct nls_table *nls_codepage, int remap, 295 const char *searchName, bool is_unicode); 296 extern void reset_cifs_unix_caps(unsigned int xid, struct cifs_tcon *tcon, 297 struct cifs_sb_info *cifs_sb, 298 struct smb_vol *vol); 299 extern int CIFSSMBQFSInfo(const unsigned int xid, struct cifs_tcon *tcon, 300 struct kstatfs *FSData); 301 extern int SMBOldQFSInfo(const unsigned int xid, struct cifs_tcon *tcon, 302 struct kstatfs *FSData); 303 extern int CIFSSMBSetFSUnixInfo(const unsigned int xid, struct cifs_tcon *tcon, 304 __u64 cap); 305 306 extern int CIFSSMBQFSAttributeInfo(const unsigned int xid, 307 struct cifs_tcon *tcon); 308 extern int CIFSSMBQFSDeviceInfo(const unsigned int xid, struct cifs_tcon *tcon); 309 extern int CIFSSMBQFSUnixInfo(const unsigned int xid, struct cifs_tcon *tcon); 310 extern int CIFSSMBQFSPosixInfo(const unsigned int xid, struct cifs_tcon *tcon, 311 struct kstatfs *FSData); 312 313 extern int CIFSSMBSetPathInfo(const unsigned int xid, struct cifs_tcon *tcon, 314 const char *fileName, const FILE_BASIC_INFO *data, 315 const struct nls_table *nls_codepage, 316 int remap_special_chars); 317 extern int CIFSSMBSetFileInfo(const unsigned int xid, struct cifs_tcon *tcon, 318 const FILE_BASIC_INFO *data, __u16 fid, 319 __u32 pid_of_opener); 320 extern int CIFSSMBSetFileDisposition(const unsigned int xid, 321 struct cifs_tcon *tcon, 322 bool delete_file, __u16 fid, 323 __u32 pid_of_opener); 324 #if 0 325 extern int CIFSSMBSetAttrLegacy(unsigned int xid, struct cifs_tcon *tcon, 326 char *fileName, __u16 dos_attributes, 327 const struct nls_table *nls_codepage); 328 #endif /* possibly unneeded function */ 329 extern int CIFSSMBSetEOF(const unsigned int xid, struct cifs_tcon *tcon, 330 const char *file_name, __u64 size, 331 struct cifs_sb_info *cifs_sb, bool set_allocation); 332 extern int CIFSSMBSetFileSize(const unsigned int xid, struct cifs_tcon *tcon, 333 struct cifsFileInfo *cfile, __u64 size, 334 bool set_allocation); 335 336 struct cifs_unix_set_info_args { 337 __u64 ctime; 338 __u64 atime; 339 __u64 mtime; 340 __u64 mode; 341 kuid_t uid; 342 kgid_t gid; 343 dev_t device; 344 }; 345 346 extern int CIFSSMBUnixSetFileInfo(const unsigned int xid, 347 struct cifs_tcon *tcon, 348 const struct cifs_unix_set_info_args *args, 349 u16 fid, u32 pid_of_opener); 350 351 extern int CIFSSMBUnixSetPathInfo(const unsigned int xid, 352 struct cifs_tcon *tcon, const char *file_name, 353 const struct cifs_unix_set_info_args *args, 354 const struct nls_table *nls_codepage, 355 int remap); 356 357 extern int CIFSSMBMkDir(const unsigned int xid, struct cifs_tcon *tcon, 358 const char *name, struct cifs_sb_info *cifs_sb); 359 extern int CIFSSMBRmDir(const unsigned int xid, struct cifs_tcon *tcon, 360 const char *name, struct cifs_sb_info *cifs_sb); 361 extern int CIFSPOSIXDelFile(const unsigned int xid, struct cifs_tcon *tcon, 362 const char *name, __u16 type, 363 const struct nls_table *nls_codepage, 364 int remap_special_chars); 365 extern int CIFSSMBDelFile(const unsigned int xid, struct cifs_tcon *tcon, 366 const char *name, struct cifs_sb_info *cifs_sb); 367 extern int CIFSSMBRename(const unsigned int xid, struct cifs_tcon *tcon, 368 const char *from_name, const char *to_name, 369 struct cifs_sb_info *cifs_sb); 370 extern int CIFSSMBRenameOpenFile(const unsigned int xid, struct cifs_tcon *tcon, 371 int netfid, const char *target_name, 372 const struct nls_table *nls_codepage, 373 int remap_special_chars); 374 extern int CIFSCreateHardLink(const unsigned int xid, struct cifs_tcon *tcon, 375 const char *from_name, const char *to_name, 376 struct cifs_sb_info *cifs_sb); 377 extern int CIFSUnixCreateHardLink(const unsigned int xid, 378 struct cifs_tcon *tcon, 379 const char *fromName, const char *toName, 380 const struct nls_table *nls_codepage, 381 int remap_special_chars); 382 extern int CIFSUnixCreateSymLink(const unsigned int xid, 383 struct cifs_tcon *tcon, 384 const char *fromName, const char *toName, 385 const struct nls_table *nls_codepage, int remap); 386 extern int CIFSSMBUnixQuerySymLink(const unsigned int xid, 387 struct cifs_tcon *tcon, 388 const unsigned char *searchName, char **syminfo, 389 const struct nls_table *nls_codepage, int remap); 390 extern int CIFSSMBQuerySymLink(const unsigned int xid, struct cifs_tcon *tcon, 391 __u16 fid, char **symlinkinfo, 392 const struct nls_table *nls_codepage); 393 extern int CIFSSMB_set_compression(const unsigned int xid, 394 struct cifs_tcon *tcon, __u16 fid); 395 extern int CIFS_open(const unsigned int xid, struct cifs_open_parms *oparms, 396 int *oplock, FILE_ALL_INFO *buf); 397 extern int SMBLegacyOpen(const unsigned int xid, struct cifs_tcon *tcon, 398 const char *fileName, const int disposition, 399 const int access_flags, const int omode, 400 __u16 *netfid, int *pOplock, FILE_ALL_INFO *, 401 const struct nls_table *nls_codepage, int remap); 402 extern int CIFSPOSIXCreate(const unsigned int xid, struct cifs_tcon *tcon, 403 u32 posix_flags, __u64 mode, __u16 *netfid, 404 FILE_UNIX_BASIC_INFO *pRetData, 405 __u32 *pOplock, const char *name, 406 const struct nls_table *nls_codepage, int remap); 407 extern int CIFSSMBClose(const unsigned int xid, struct cifs_tcon *tcon, 408 const int smb_file_id); 409 410 extern int CIFSSMBFlush(const unsigned int xid, struct cifs_tcon *tcon, 411 const int smb_file_id); 412 413 extern int CIFSSMBRead(const unsigned int xid, struct cifs_io_parms *io_parms, 414 unsigned int *nbytes, char **buf, 415 int *return_buf_type); 416 extern int CIFSSMBWrite(const unsigned int xid, struct cifs_io_parms *io_parms, 417 unsigned int *nbytes, const char *buf); 418 extern int CIFSSMBWrite2(const unsigned int xid, struct cifs_io_parms *io_parms, 419 unsigned int *nbytes, struct kvec *iov, const int nvec); 420 extern int CIFSGetSrvInodeNumber(const unsigned int xid, struct cifs_tcon *tcon, 421 const char *search_name, __u64 *inode_number, 422 const struct nls_table *nls_codepage, 423 int remap); 424 425 extern int cifs_lockv(const unsigned int xid, struct cifs_tcon *tcon, 426 const __u16 netfid, const __u8 lock_type, 427 const __u32 num_unlock, const __u32 num_lock, 428 LOCKING_ANDX_RANGE *buf); 429 extern int CIFSSMBLock(const unsigned int xid, struct cifs_tcon *tcon, 430 const __u16 netfid, const __u32 netpid, const __u64 len, 431 const __u64 offset, const __u32 numUnlock, 432 const __u32 numLock, const __u8 lockType, 433 const bool waitFlag, const __u8 oplock_level); 434 extern int CIFSSMBPosixLock(const unsigned int xid, struct cifs_tcon *tcon, 435 const __u16 smb_file_id, const __u32 netpid, 436 const loff_t start_offset, const __u64 len, 437 struct file_lock *, const __u16 lock_type, 438 const bool waitFlag); 439 extern int CIFSSMBTDis(const unsigned int xid, struct cifs_tcon *tcon); 440 extern int CIFSSMBEcho(struct TCP_Server_Info *server); 441 extern int CIFSSMBLogoff(const unsigned int xid, struct cifs_ses *ses); 442 443 extern struct cifs_ses *sesInfoAlloc(void); 444 extern void sesInfoFree(struct cifs_ses *); 445 extern struct cifs_tcon *tconInfoAlloc(void); 446 extern void tconInfoFree(struct cifs_tcon *); 447 448 extern int cifs_sign_rqst(struct smb_rqst *rqst, struct TCP_Server_Info *server, 449 __u32 *pexpected_response_sequence_number); 450 extern int cifs_sign_smbv(struct kvec *iov, int n_vec, struct TCP_Server_Info *, 451 __u32 *); 452 extern int cifs_sign_smb(struct smb_hdr *, struct TCP_Server_Info *, __u32 *); 453 extern int cifs_verify_signature(struct smb_rqst *rqst, 454 struct TCP_Server_Info *server, 455 __u32 expected_sequence_number); 456 extern int SMBNTencrypt(unsigned char *, unsigned char *, unsigned char *, 457 const struct nls_table *); 458 extern int setup_ntlm_response(struct cifs_ses *, const struct nls_table *); 459 extern int setup_ntlmv2_rsp(struct cifs_ses *, const struct nls_table *); 460 extern void cifs_crypto_secmech_release(struct TCP_Server_Info *server); 461 extern int calc_seckey(struct cifs_ses *); 462 extern int generate_smb30signingkey(struct cifs_ses *); 463 extern int generate_smb311signingkey(struct cifs_ses *); 464 465 #ifdef CONFIG_CIFS_WEAK_PW_HASH 466 extern int calc_lanman_hash(const char *password, const char *cryptkey, 467 bool encrypt, char *lnm_session_key); 468 #endif /* CIFS_WEAK_PW_HASH */ 469 #ifdef CONFIG_CIFS_DNOTIFY_EXPERIMENTAL /* unused temporarily */ 470 extern int CIFSSMBNotify(const unsigned int xid, struct cifs_tcon *tcon, 471 const int notify_subdirs, const __u16 netfid, 472 __u32 filter, struct file *file, int multishot, 473 const struct nls_table *nls_codepage); 474 #endif /* was needed for dnotify, and will be needed for inotify when VFS fix */ 475 extern int CIFSSMBCopy(unsigned int xid, 476 struct cifs_tcon *source_tcon, 477 const char *fromName, 478 const __u16 target_tid, 479 const char *toName, const int flags, 480 const struct nls_table *nls_codepage, 481 int remap_special_chars); 482 extern ssize_t CIFSSMBQAllEAs(const unsigned int xid, struct cifs_tcon *tcon, 483 const unsigned char *searchName, 484 const unsigned char *ea_name, char *EAData, 485 size_t bufsize, struct cifs_sb_info *cifs_sb); 486 extern int CIFSSMBSetEA(const unsigned int xid, struct cifs_tcon *tcon, 487 const char *fileName, const char *ea_name, 488 const void *ea_value, const __u16 ea_value_len, 489 const struct nls_table *nls_codepage, 490 struct cifs_sb_info *cifs_sb); 491 extern int CIFSSMBGetCIFSACL(const unsigned int xid, struct cifs_tcon *tcon, 492 __u16 fid, struct cifs_ntsd **acl_inf, __u32 *buflen); 493 extern int CIFSSMBSetCIFSACL(const unsigned int, struct cifs_tcon *, __u16, 494 struct cifs_ntsd *, __u32, int); 495 extern int CIFSSMBGetPosixACL(const unsigned int xid, struct cifs_tcon *tcon, 496 const unsigned char *searchName, 497 char *acl_inf, const int buflen, const int acl_type, 498 const struct nls_table *nls_codepage, int remap_special_chars); 499 extern int CIFSSMBSetPosixACL(const unsigned int xid, struct cifs_tcon *tcon, 500 const unsigned char *fileName, 501 const char *local_acl, const int buflen, const int acl_type, 502 const struct nls_table *nls_codepage, int remap_special_chars); 503 extern int CIFSGetExtAttr(const unsigned int xid, struct cifs_tcon *tcon, 504 const int netfid, __u64 *pExtAttrBits, __u64 *pMask); 505 extern void cifs_autodisable_serverino(struct cifs_sb_info *cifs_sb); 506 extern bool couldbe_mf_symlink(const struct cifs_fattr *fattr); 507 extern int check_mf_symlink(unsigned int xid, struct cifs_tcon *tcon, 508 struct cifs_sb_info *cifs_sb, 509 struct cifs_fattr *fattr, 510 const unsigned char *path); 511 extern int mdfour(unsigned char *, unsigned char *, int); 512 extern int E_md4hash(const unsigned char *passwd, unsigned char *p16, 513 const struct nls_table *codepage); 514 extern int SMBencrypt(unsigned char *passwd, const unsigned char *c8, 515 unsigned char *p24); 516 517 void cifs_readdata_release(struct kref *refcount); 518 int cifs_async_readv(struct cifs_readdata *rdata); 519 int cifs_readv_receive(struct TCP_Server_Info *server, struct mid_q_entry *mid); 520 521 int cifs_async_writev(struct cifs_writedata *wdata, 522 void (*release)(struct kref *kref)); 523 void cifs_writev_complete(struct work_struct *work); 524 struct cifs_writedata *cifs_writedata_alloc(unsigned int nr_pages, 525 work_func_t complete); 526 void cifs_writedata_release(struct kref *refcount); 527 int cifs_query_mf_symlink(unsigned int xid, struct cifs_tcon *tcon, 528 struct cifs_sb_info *cifs_sb, 529 const unsigned char *path, char *pbuf, 530 unsigned int *pbytes_read); 531 int cifs_create_mf_symlink(unsigned int xid, struct cifs_tcon *tcon, 532 struct cifs_sb_info *cifs_sb, 533 const unsigned char *path, char *pbuf, 534 unsigned int *pbytes_written); 535 int __cifs_calc_signature(struct smb_rqst *rqst, 536 struct TCP_Server_Info *server, char *signature, 537 struct shash_desc *shash); 538 enum securityEnum cifs_select_sectype(struct TCP_Server_Info *, 539 enum securityEnum); 540 struct cifs_aio_ctx *cifs_aio_ctx_alloc(void); 541 void cifs_aio_ctx_release(struct kref *refcount); 542 int setup_aio_ctx_iter(struct cifs_aio_ctx *ctx, struct iov_iter *iter, int rw); 543 544 int cifs_alloc_hash(const char *name, struct crypto_shash **shash, 545 struct sdesc **sdesc); 546 void cifs_free_hash(struct crypto_shash **shash, struct sdesc **sdesc); 547 548 #endif /* _CIFSPROTO_H */ 549