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 #include "trace.h" 25 26 struct statfs; 27 struct smb_vol; 28 struct smb_rqst; 29 30 /* 31 ***************************************************************** 32 * All Prototypes 33 ***************************************************************** 34 */ 35 36 extern struct smb_hdr *cifs_buf_get(void); 37 extern void cifs_buf_release(void *); 38 extern struct smb_hdr *cifs_small_buf_get(void); 39 extern void cifs_small_buf_release(void *); 40 extern void free_rsp_buf(int, void *); 41 extern int smb_send(struct TCP_Server_Info *, struct smb_hdr *, 42 unsigned int /* length */); 43 extern unsigned int _get_xid(void); 44 extern void _free_xid(unsigned int); 45 #define get_xid() \ 46 ({ \ 47 unsigned int __xid = _get_xid(); \ 48 cifs_dbg(FYI, "CIFS VFS: in %s as Xid: %u with uid: %d\n", \ 49 __func__, __xid, \ 50 from_kuid(&init_user_ns, current_fsuid())); \ 51 trace_smb3_enter(__xid, __func__); \ 52 __xid; \ 53 }) 54 55 #define free_xid(curr_xid) \ 56 do { \ 57 _free_xid(curr_xid); \ 58 cifs_dbg(FYI, "CIFS VFS: leaving %s (xid = %u) rc = %d\n", \ 59 __func__, curr_xid, (int)rc); \ 60 if (rc) \ 61 trace_smb3_exit_err(curr_xid, __func__, (int)rc); \ 62 else \ 63 trace_smb3_exit_done(curr_xid, __func__); \ 64 } while (0) 65 extern int init_cifs_idmap(void); 66 extern void exit_cifs_idmap(void); 67 extern int init_cifs_spnego(void); 68 extern void exit_cifs_spnego(void); 69 extern char *build_path_from_dentry(struct dentry *); 70 extern char *build_path_from_dentry_optional_prefix(struct dentry *direntry, 71 bool prefix); 72 extern char *cifs_build_path_to_root(struct smb_vol *vol, 73 struct cifs_sb_info *cifs_sb, 74 struct cifs_tcon *tcon, 75 int add_treename); 76 extern char *build_wildcard_path_from_dentry(struct dentry *direntry); 77 extern char *cifs_compose_mount_options(const char *sb_mountdata, 78 const char *fullpath, const struct dfs_info3_param *ref, 79 char **devname); 80 /* extern void renew_parental_timestamps(struct dentry *direntry);*/ 81 extern struct mid_q_entry *AllocMidQEntry(const struct smb_hdr *smb_buffer, 82 struct TCP_Server_Info *server); 83 extern void DeleteMidQEntry(struct mid_q_entry *midEntry); 84 extern void cifs_delete_mid(struct mid_q_entry *mid); 85 extern void cifs_mid_q_entry_release(struct mid_q_entry *midEntry); 86 extern void cifs_wake_up_task(struct mid_q_entry *mid); 87 extern int cifs_handle_standard(struct TCP_Server_Info *server, 88 struct mid_q_entry *mid); 89 extern int cifs_discard_remaining_data(struct TCP_Server_Info *server); 90 extern int cifs_call_async(struct TCP_Server_Info *server, 91 struct smb_rqst *rqst, 92 mid_receive_t *receive, mid_callback_t *callback, 93 mid_handle_t *handle, void *cbdata, const int flags); 94 extern int cifs_send_recv(const unsigned int xid, struct cifs_ses *ses, 95 struct smb_rqst *rqst, int *resp_buf_type, 96 const int flags, struct kvec *resp_iov); 97 extern int compound_send_recv(const unsigned int xid, struct cifs_ses *ses, 98 const int flags, const int num_rqst, 99 struct smb_rqst *rqst, int *resp_buf_type, 100 struct kvec *resp_iov); 101 extern int SendReceive(const unsigned int /* xid */ , struct cifs_ses *, 102 struct smb_hdr * /* input */ , 103 struct smb_hdr * /* out */ , 104 int * /* bytes returned */ , const int); 105 extern int SendReceiveNoRsp(const unsigned int xid, struct cifs_ses *ses, 106 char *in_buf, int flags); 107 extern struct mid_q_entry *cifs_setup_request(struct cifs_ses *, 108 struct smb_rqst *); 109 extern struct mid_q_entry *cifs_setup_async_request(struct TCP_Server_Info *, 110 struct smb_rqst *); 111 extern int cifs_check_receive(struct mid_q_entry *mid, 112 struct TCP_Server_Info *server, bool log_error); 113 extern int cifs_wait_mtu_credits(struct TCP_Server_Info *server, 114 unsigned int size, unsigned int *num, 115 unsigned int *credits); 116 extern int SendReceive2(const unsigned int /* xid */ , struct cifs_ses *, 117 struct kvec *, int /* nvec to send */, 118 int * /* type of buf returned */, const int flags, 119 struct kvec * /* resp vec */); 120 extern int SendReceiveBlockingLock(const unsigned int xid, 121 struct cifs_tcon *ptcon, 122 struct smb_hdr *in_buf , 123 struct smb_hdr *out_buf, 124 int *bytes_returned); 125 extern int cifs_reconnect(struct TCP_Server_Info *server); 126 extern int checkSMB(char *buf, unsigned int len, struct TCP_Server_Info *srvr); 127 extern bool is_valid_oplock_break(char *, struct TCP_Server_Info *); 128 extern bool backup_cred(struct cifs_sb_info *); 129 extern bool is_size_safe_to_change(struct cifsInodeInfo *, __u64 eof); 130 extern void cifs_update_eof(struct cifsInodeInfo *cifsi, loff_t offset, 131 unsigned int bytes_written); 132 extern struct cifsFileInfo *find_writable_file(struct cifsInodeInfo *, bool); 133 extern struct cifsFileInfo *find_readable_file(struct cifsInodeInfo *, bool); 134 extern unsigned int smbCalcSize(void *buf, struct TCP_Server_Info *server); 135 extern int decode_negTokenInit(unsigned char *security_blob, int length, 136 struct TCP_Server_Info *server); 137 extern int cifs_convert_address(struct sockaddr *dst, const char *src, int len); 138 extern void cifs_set_port(struct sockaddr *addr, const unsigned short int port); 139 extern int map_smb_to_linux_error(char *buf, bool logErr); 140 extern void header_assemble(struct smb_hdr *, char /* command */ , 141 const struct cifs_tcon *, int /* length of 142 fixed section (word count) in two byte units */); 143 extern int small_smb_init_no_tc(const int smb_cmd, const int wct, 144 struct cifs_ses *ses, 145 void **request_buf); 146 extern enum securityEnum select_sectype(struct TCP_Server_Info *server, 147 enum securityEnum requested); 148 extern int CIFS_SessSetup(const unsigned int xid, struct cifs_ses *ses, 149 const struct nls_table *nls_cp); 150 extern struct timespec64 cifs_NTtimeToUnix(__le64 utc_nanoseconds_since_1601); 151 extern u64 cifs_UnixTimeToNT(struct timespec64); 152 extern struct timespec64 cnvrtDosUnixTm(__le16 le_date, __le16 le_time, 153 int offset); 154 extern void cifs_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock); 155 extern int cifs_get_writer(struct cifsInodeInfo *cinode); 156 extern void cifs_put_writer(struct cifsInodeInfo *cinode); 157 extern void cifs_done_oplock_break(struct cifsInodeInfo *cinode); 158 extern int cifs_unlock_range(struct cifsFileInfo *cfile, 159 struct file_lock *flock, const unsigned int xid); 160 extern int cifs_push_mandatory_locks(struct cifsFileInfo *cfile); 161 162 extern void cifs_down_write(struct rw_semaphore *sem); 163 extern struct cifsFileInfo *cifs_new_fileinfo(struct cifs_fid *fid, 164 struct file *file, 165 struct tcon_link *tlink, 166 __u32 oplock); 167 extern int cifs_posix_open(char *full_path, struct inode **inode, 168 struct super_block *sb, int mode, 169 unsigned int f_flags, __u32 *oplock, __u16 *netfid, 170 unsigned int xid); 171 void cifs_fill_uniqueid(struct super_block *sb, struct cifs_fattr *fattr); 172 extern void cifs_unix_basic_to_fattr(struct cifs_fattr *fattr, 173 FILE_UNIX_BASIC_INFO *info, 174 struct cifs_sb_info *cifs_sb); 175 extern void cifs_dir_info_to_fattr(struct cifs_fattr *, FILE_DIRECTORY_INFO *, 176 struct cifs_sb_info *); 177 extern void cifs_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr); 178 extern struct inode *cifs_iget(struct super_block *sb, 179 struct cifs_fattr *fattr); 180 181 extern int cifs_get_inode_info(struct inode **inode, const char *full_path, 182 FILE_ALL_INFO *data, struct super_block *sb, 183 int xid, const struct cifs_fid *fid); 184 extern int cifs_get_inode_info_unix(struct inode **pinode, 185 const unsigned char *search_path, 186 struct super_block *sb, unsigned int xid); 187 extern int cifs_set_file_info(struct inode *inode, struct iattr *attrs, 188 unsigned int xid, char *full_path, __u32 dosattr); 189 extern int cifs_rename_pending_delete(const char *full_path, 190 struct dentry *dentry, 191 const unsigned int xid); 192 extern int cifs_acl_to_fattr(struct cifs_sb_info *cifs_sb, 193 struct cifs_fattr *fattr, struct inode *inode, 194 const char *path, const struct cifs_fid *pfid); 195 extern int id_mode_to_cifs_acl(struct inode *inode, const char *path, __u64, 196 kuid_t, kgid_t); 197 extern struct cifs_ntsd *get_cifs_acl(struct cifs_sb_info *, struct inode *, 198 const char *, u32 *); 199 extern struct cifs_ntsd *get_cifs_acl_by_fid(struct cifs_sb_info *, 200 const struct cifs_fid *, u32 *); 201 extern int set_cifs_acl(struct cifs_ntsd *, __u32, struct inode *, 202 const char *, int); 203 204 extern void dequeue_mid(struct mid_q_entry *mid, bool malformed); 205 extern int cifs_read_from_socket(struct TCP_Server_Info *server, char *buf, 206 unsigned int to_read); 207 extern int cifs_read_page_from_socket(struct TCP_Server_Info *server, 208 struct page *page, 209 unsigned int page_offset, 210 unsigned int to_read); 211 extern int cifs_setup_cifs_sb(struct smb_vol *pvolume_info, 212 struct cifs_sb_info *cifs_sb); 213 extern int cifs_match_super(struct super_block *, void *); 214 extern void cifs_cleanup_volume_info(struct smb_vol *pvolume_info); 215 extern struct smb_vol *cifs_get_volume_info(char *mount_data, 216 const char *devname, bool is_smb3); 217 extern int cifs_mount(struct cifs_sb_info *, struct smb_vol *); 218 extern void cifs_umount(struct cifs_sb_info *); 219 extern void cifs_mark_open_files_invalid(struct cifs_tcon *tcon); 220 extern void cifs_reopen_persistent_handles(struct cifs_tcon *tcon); 221 222 extern bool cifs_find_lock_conflict(struct cifsFileInfo *cfile, __u64 offset, 223 __u64 length, __u8 type, 224 struct cifsLockInfo **conf_lock, 225 int rw_check); 226 extern void cifs_add_pending_open(struct cifs_fid *fid, 227 struct tcon_link *tlink, 228 struct cifs_pending_open *open); 229 extern void cifs_add_pending_open_locked(struct cifs_fid *fid, 230 struct tcon_link *tlink, 231 struct cifs_pending_open *open); 232 extern void cifs_del_pending_open(struct cifs_pending_open *open); 233 extern void cifs_put_tcp_session(struct TCP_Server_Info *server, 234 int from_reconnect); 235 extern void cifs_put_tcon(struct cifs_tcon *tcon); 236 237 #if IS_ENABLED(CONFIG_CIFS_DFS_UPCALL) 238 extern void cifs_dfs_release_automount_timer(void); 239 #else /* ! IS_ENABLED(CONFIG_CIFS_DFS_UPCALL) */ 240 #define cifs_dfs_release_automount_timer() do { } while (0) 241 #endif /* ! IS_ENABLED(CONFIG_CIFS_DFS_UPCALL) */ 242 243 void cifs_proc_init(void); 244 void cifs_proc_clean(void); 245 246 extern void cifs_move_llist(struct list_head *source, struct list_head *dest); 247 extern void cifs_free_llist(struct list_head *llist); 248 extern void cifs_del_lock_waiters(struct cifsLockInfo *lock); 249 250 extern int cifs_negotiate_protocol(const unsigned int xid, 251 struct cifs_ses *ses); 252 extern int cifs_setup_session(const unsigned int xid, struct cifs_ses *ses, 253 struct nls_table *nls_info); 254 extern int cifs_enable_signing(struct TCP_Server_Info *server, bool mnt_sign_required); 255 extern int CIFSSMBNegotiate(const unsigned int xid, struct cifs_ses *ses); 256 257 extern int CIFSTCon(const unsigned int xid, struct cifs_ses *ses, 258 const char *tree, struct cifs_tcon *tcon, 259 const struct nls_table *); 260 261 extern int CIFSFindFirst(const unsigned int xid, struct cifs_tcon *tcon, 262 const char *searchName, struct cifs_sb_info *cifs_sb, 263 __u16 *searchHandle, __u16 search_flags, 264 struct cifs_search_info *psrch_inf, 265 bool msearch); 266 267 extern int CIFSFindNext(const unsigned int xid, struct cifs_tcon *tcon, 268 __u16 searchHandle, __u16 search_flags, 269 struct cifs_search_info *psrch_inf); 270 271 extern int CIFSFindClose(const unsigned int xid, struct cifs_tcon *tcon, 272 const __u16 search_handle); 273 274 extern int CIFSSMBQFileInfo(const unsigned int xid, struct cifs_tcon *tcon, 275 u16 netfid, FILE_ALL_INFO *pFindData); 276 extern int CIFSSMBQPathInfo(const unsigned int xid, struct cifs_tcon *tcon, 277 const char *search_Name, FILE_ALL_INFO *data, 278 int legacy /* whether to use old info level */, 279 const struct nls_table *nls_codepage, int remap); 280 extern int SMBQueryInformation(const unsigned int xid, struct cifs_tcon *tcon, 281 const char *search_name, FILE_ALL_INFO *data, 282 const struct nls_table *nls_codepage, int remap); 283 284 extern int CIFSSMBUnixQFileInfo(const unsigned int xid, struct cifs_tcon *tcon, 285 u16 netfid, FILE_UNIX_BASIC_INFO *pFindData); 286 extern int CIFSSMBUnixQPathInfo(const unsigned int xid, 287 struct cifs_tcon *tcon, 288 const unsigned char *searchName, 289 FILE_UNIX_BASIC_INFO *pFindData, 290 const struct nls_table *nls_codepage, int remap); 291 292 extern int CIFSGetDFSRefer(const unsigned int xid, struct cifs_ses *ses, 293 const char *search_name, 294 struct dfs_info3_param **target_nodes, 295 unsigned int *num_of_nodes, 296 const struct nls_table *nls_codepage, int remap); 297 298 extern int get_dfs_path(const unsigned int xid, struct cifs_ses *ses, 299 const char *old_path, 300 const struct nls_table *nls_codepage, 301 unsigned int *num_referrals, 302 struct dfs_info3_param **referrals, int remap); 303 extern int parse_dfs_referrals(struct get_dfs_referral_rsp *rsp, u32 rsp_size, 304 unsigned int *num_of_nodes, 305 struct dfs_info3_param **target_nodes, 306 const struct nls_table *nls_codepage, int remap, 307 const char *searchName, bool is_unicode); 308 extern void reset_cifs_unix_caps(unsigned int xid, struct cifs_tcon *tcon, 309 struct cifs_sb_info *cifs_sb, 310 struct smb_vol *vol); 311 extern int CIFSSMBQFSInfo(const unsigned int xid, struct cifs_tcon *tcon, 312 struct kstatfs *FSData); 313 extern int SMBOldQFSInfo(const unsigned int xid, struct cifs_tcon *tcon, 314 struct kstatfs *FSData); 315 extern int CIFSSMBSetFSUnixInfo(const unsigned int xid, struct cifs_tcon *tcon, 316 __u64 cap); 317 318 extern int CIFSSMBQFSAttributeInfo(const unsigned int xid, 319 struct cifs_tcon *tcon); 320 extern int CIFSSMBQFSDeviceInfo(const unsigned int xid, struct cifs_tcon *tcon); 321 extern int CIFSSMBQFSUnixInfo(const unsigned int xid, struct cifs_tcon *tcon); 322 extern int CIFSSMBQFSPosixInfo(const unsigned int xid, struct cifs_tcon *tcon, 323 struct kstatfs *FSData); 324 325 extern int CIFSSMBSetPathInfo(const unsigned int xid, struct cifs_tcon *tcon, 326 const char *fileName, const FILE_BASIC_INFO *data, 327 const struct nls_table *nls_codepage, 328 int remap_special_chars); 329 extern int CIFSSMBSetFileInfo(const unsigned int xid, struct cifs_tcon *tcon, 330 const FILE_BASIC_INFO *data, __u16 fid, 331 __u32 pid_of_opener); 332 extern int CIFSSMBSetFileDisposition(const unsigned int xid, 333 struct cifs_tcon *tcon, 334 bool delete_file, __u16 fid, 335 __u32 pid_of_opener); 336 #if 0 337 extern int CIFSSMBSetAttrLegacy(unsigned int xid, struct cifs_tcon *tcon, 338 char *fileName, __u16 dos_attributes, 339 const struct nls_table *nls_codepage); 340 #endif /* possibly unneeded function */ 341 extern int CIFSSMBSetEOF(const unsigned int xid, struct cifs_tcon *tcon, 342 const char *file_name, __u64 size, 343 struct cifs_sb_info *cifs_sb, bool set_allocation); 344 extern int CIFSSMBSetFileSize(const unsigned int xid, struct cifs_tcon *tcon, 345 struct cifsFileInfo *cfile, __u64 size, 346 bool set_allocation); 347 348 struct cifs_unix_set_info_args { 349 __u64 ctime; 350 __u64 atime; 351 __u64 mtime; 352 __u64 mode; 353 kuid_t uid; 354 kgid_t gid; 355 dev_t device; 356 }; 357 358 extern int CIFSSMBUnixSetFileInfo(const unsigned int xid, 359 struct cifs_tcon *tcon, 360 const struct cifs_unix_set_info_args *args, 361 u16 fid, u32 pid_of_opener); 362 363 extern int CIFSSMBUnixSetPathInfo(const unsigned int xid, 364 struct cifs_tcon *tcon, const char *file_name, 365 const struct cifs_unix_set_info_args *args, 366 const struct nls_table *nls_codepage, 367 int remap); 368 369 extern int CIFSSMBMkDir(const unsigned int xid, struct cifs_tcon *tcon, 370 const char *name, struct cifs_sb_info *cifs_sb); 371 extern int CIFSSMBRmDir(const unsigned int xid, struct cifs_tcon *tcon, 372 const char *name, struct cifs_sb_info *cifs_sb); 373 extern int CIFSPOSIXDelFile(const unsigned int xid, struct cifs_tcon *tcon, 374 const char *name, __u16 type, 375 const struct nls_table *nls_codepage, 376 int remap_special_chars); 377 extern int CIFSSMBDelFile(const unsigned int xid, struct cifs_tcon *tcon, 378 const char *name, struct cifs_sb_info *cifs_sb); 379 extern int CIFSSMBRename(const unsigned int xid, struct cifs_tcon *tcon, 380 const char *from_name, const char *to_name, 381 struct cifs_sb_info *cifs_sb); 382 extern int CIFSSMBRenameOpenFile(const unsigned int xid, struct cifs_tcon *tcon, 383 int netfid, const char *target_name, 384 const struct nls_table *nls_codepage, 385 int remap_special_chars); 386 extern int CIFSCreateHardLink(const unsigned int xid, struct cifs_tcon *tcon, 387 const char *from_name, const char *to_name, 388 struct cifs_sb_info *cifs_sb); 389 extern int CIFSUnixCreateHardLink(const unsigned int xid, 390 struct cifs_tcon *tcon, 391 const char *fromName, const char *toName, 392 const struct nls_table *nls_codepage, 393 int remap_special_chars); 394 extern int CIFSUnixCreateSymLink(const unsigned int xid, 395 struct cifs_tcon *tcon, 396 const char *fromName, const char *toName, 397 const struct nls_table *nls_codepage, int remap); 398 extern int CIFSSMBUnixQuerySymLink(const unsigned int xid, 399 struct cifs_tcon *tcon, 400 const unsigned char *searchName, char **syminfo, 401 const struct nls_table *nls_codepage, int remap); 402 extern int CIFSSMBQuerySymLink(const unsigned int xid, struct cifs_tcon *tcon, 403 __u16 fid, char **symlinkinfo, 404 const struct nls_table *nls_codepage); 405 extern int CIFSSMB_set_compression(const unsigned int xid, 406 struct cifs_tcon *tcon, __u16 fid); 407 extern int CIFS_open(const unsigned int xid, struct cifs_open_parms *oparms, 408 int *oplock, FILE_ALL_INFO *buf); 409 extern int SMBLegacyOpen(const unsigned int xid, struct cifs_tcon *tcon, 410 const char *fileName, const int disposition, 411 const int access_flags, const int omode, 412 __u16 *netfid, int *pOplock, FILE_ALL_INFO *, 413 const struct nls_table *nls_codepage, int remap); 414 extern int CIFSPOSIXCreate(const unsigned int xid, struct cifs_tcon *tcon, 415 u32 posix_flags, __u64 mode, __u16 *netfid, 416 FILE_UNIX_BASIC_INFO *pRetData, 417 __u32 *pOplock, const char *name, 418 const struct nls_table *nls_codepage, int remap); 419 extern int CIFSSMBClose(const unsigned int xid, struct cifs_tcon *tcon, 420 const int smb_file_id); 421 422 extern int CIFSSMBFlush(const unsigned int xid, struct cifs_tcon *tcon, 423 const int smb_file_id); 424 425 extern int CIFSSMBRead(const unsigned int xid, struct cifs_io_parms *io_parms, 426 unsigned int *nbytes, char **buf, 427 int *return_buf_type); 428 extern int CIFSSMBWrite(const unsigned int xid, struct cifs_io_parms *io_parms, 429 unsigned int *nbytes, const char *buf); 430 extern int CIFSSMBWrite2(const unsigned int xid, struct cifs_io_parms *io_parms, 431 unsigned int *nbytes, struct kvec *iov, const int nvec); 432 extern int CIFSGetSrvInodeNumber(const unsigned int xid, struct cifs_tcon *tcon, 433 const char *search_name, __u64 *inode_number, 434 const struct nls_table *nls_codepage, 435 int remap); 436 437 extern int cifs_lockv(const unsigned int xid, struct cifs_tcon *tcon, 438 const __u16 netfid, const __u8 lock_type, 439 const __u32 num_unlock, const __u32 num_lock, 440 LOCKING_ANDX_RANGE *buf); 441 extern int CIFSSMBLock(const unsigned int xid, struct cifs_tcon *tcon, 442 const __u16 netfid, const __u32 netpid, const __u64 len, 443 const __u64 offset, const __u32 numUnlock, 444 const __u32 numLock, const __u8 lockType, 445 const bool waitFlag, const __u8 oplock_level); 446 extern int CIFSSMBPosixLock(const unsigned int xid, struct cifs_tcon *tcon, 447 const __u16 smb_file_id, const __u32 netpid, 448 const loff_t start_offset, const __u64 len, 449 struct file_lock *, const __u16 lock_type, 450 const bool waitFlag); 451 extern int CIFSSMBTDis(const unsigned int xid, struct cifs_tcon *tcon); 452 extern int CIFSSMBEcho(struct TCP_Server_Info *server); 453 extern int CIFSSMBLogoff(const unsigned int xid, struct cifs_ses *ses); 454 455 extern struct cifs_ses *sesInfoAlloc(void); 456 extern void sesInfoFree(struct cifs_ses *); 457 extern struct cifs_tcon *tconInfoAlloc(void); 458 extern void tconInfoFree(struct cifs_tcon *); 459 460 extern int cifs_sign_rqst(struct smb_rqst *rqst, struct TCP_Server_Info *server, 461 __u32 *pexpected_response_sequence_number); 462 extern int cifs_sign_smbv(struct kvec *iov, int n_vec, struct TCP_Server_Info *, 463 __u32 *); 464 extern int cifs_sign_smb(struct smb_hdr *, struct TCP_Server_Info *, __u32 *); 465 extern int cifs_verify_signature(struct smb_rqst *rqst, 466 struct TCP_Server_Info *server, 467 __u32 expected_sequence_number); 468 extern int SMBNTencrypt(unsigned char *, unsigned char *, unsigned char *, 469 const struct nls_table *); 470 extern int setup_ntlm_response(struct cifs_ses *, const struct nls_table *); 471 extern int setup_ntlmv2_rsp(struct cifs_ses *, const struct nls_table *); 472 extern void cifs_crypto_secmech_release(struct TCP_Server_Info *server); 473 extern int calc_seckey(struct cifs_ses *); 474 extern int generate_smb30signingkey(struct cifs_ses *); 475 extern int generate_smb311signingkey(struct cifs_ses *); 476 477 #ifdef CONFIG_CIFS_WEAK_PW_HASH 478 extern int calc_lanman_hash(const char *password, const char *cryptkey, 479 bool encrypt, char *lnm_session_key); 480 #endif /* CIFS_WEAK_PW_HASH */ 481 #ifdef CONFIG_CIFS_DNOTIFY_EXPERIMENTAL /* unused temporarily */ 482 extern int CIFSSMBNotify(const unsigned int xid, struct cifs_tcon *tcon, 483 const int notify_subdirs, const __u16 netfid, 484 __u32 filter, struct file *file, int multishot, 485 const struct nls_table *nls_codepage); 486 #endif /* was needed for dnotify, and will be needed for inotify when VFS fix */ 487 extern int CIFSSMBCopy(unsigned int xid, 488 struct cifs_tcon *source_tcon, 489 const char *fromName, 490 const __u16 target_tid, 491 const char *toName, const int flags, 492 const struct nls_table *nls_codepage, 493 int remap_special_chars); 494 extern ssize_t CIFSSMBQAllEAs(const unsigned int xid, struct cifs_tcon *tcon, 495 const unsigned char *searchName, 496 const unsigned char *ea_name, char *EAData, 497 size_t bufsize, struct cifs_sb_info *cifs_sb); 498 extern int CIFSSMBSetEA(const unsigned int xid, struct cifs_tcon *tcon, 499 const char *fileName, const char *ea_name, 500 const void *ea_value, const __u16 ea_value_len, 501 const struct nls_table *nls_codepage, 502 struct cifs_sb_info *cifs_sb); 503 extern int CIFSSMBGetCIFSACL(const unsigned int xid, struct cifs_tcon *tcon, 504 __u16 fid, struct cifs_ntsd **acl_inf, __u32 *buflen); 505 extern int CIFSSMBSetCIFSACL(const unsigned int, struct cifs_tcon *, __u16, 506 struct cifs_ntsd *, __u32, int); 507 extern int CIFSSMBGetPosixACL(const unsigned int xid, struct cifs_tcon *tcon, 508 const unsigned char *searchName, 509 char *acl_inf, const int buflen, const int acl_type, 510 const struct nls_table *nls_codepage, int remap_special_chars); 511 extern int CIFSSMBSetPosixACL(const unsigned int xid, struct cifs_tcon *tcon, 512 const unsigned char *fileName, 513 const char *local_acl, const int buflen, const int acl_type, 514 const struct nls_table *nls_codepage, int remap_special_chars); 515 extern int CIFSGetExtAttr(const unsigned int xid, struct cifs_tcon *tcon, 516 const int netfid, __u64 *pExtAttrBits, __u64 *pMask); 517 extern void cifs_autodisable_serverino(struct cifs_sb_info *cifs_sb); 518 extern bool couldbe_mf_symlink(const struct cifs_fattr *fattr); 519 extern int check_mf_symlink(unsigned int xid, struct cifs_tcon *tcon, 520 struct cifs_sb_info *cifs_sb, 521 struct cifs_fattr *fattr, 522 const unsigned char *path); 523 extern int mdfour(unsigned char *, unsigned char *, int); 524 extern int E_md4hash(const unsigned char *passwd, unsigned char *p16, 525 const struct nls_table *codepage); 526 extern int SMBencrypt(unsigned char *passwd, const unsigned char *c8, 527 unsigned char *p24); 528 529 void cifs_readdata_release(struct kref *refcount); 530 int cifs_async_readv(struct cifs_readdata *rdata); 531 int cifs_readv_receive(struct TCP_Server_Info *server, struct mid_q_entry *mid); 532 533 int cifs_async_writev(struct cifs_writedata *wdata, 534 void (*release)(struct kref *kref)); 535 void cifs_writev_complete(struct work_struct *work); 536 struct cifs_writedata *cifs_writedata_alloc(unsigned int nr_pages, 537 work_func_t complete); 538 struct cifs_writedata *cifs_writedata_direct_alloc(struct page **pages, 539 work_func_t complete); 540 void cifs_writedata_release(struct kref *refcount); 541 int cifs_query_mf_symlink(unsigned int xid, struct cifs_tcon *tcon, 542 struct cifs_sb_info *cifs_sb, 543 const unsigned char *path, char *pbuf, 544 unsigned int *pbytes_read); 545 int cifs_create_mf_symlink(unsigned int xid, struct cifs_tcon *tcon, 546 struct cifs_sb_info *cifs_sb, 547 const unsigned char *path, char *pbuf, 548 unsigned int *pbytes_written); 549 int __cifs_calc_signature(struct smb_rqst *rqst, 550 struct TCP_Server_Info *server, char *signature, 551 struct shash_desc *shash); 552 enum securityEnum cifs_select_sectype(struct TCP_Server_Info *, 553 enum securityEnum); 554 struct cifs_aio_ctx *cifs_aio_ctx_alloc(void); 555 void cifs_aio_ctx_release(struct kref *refcount); 556 int setup_aio_ctx_iter(struct cifs_aio_ctx *ctx, struct iov_iter *iter, int rw); 557 void smb2_cached_lease_break(struct work_struct *work); 558 559 int cifs_alloc_hash(const char *name, struct crypto_shash **shash, 560 struct sdesc **sdesc); 561 void cifs_free_hash(struct crypto_shash **shash, struct sdesc **sdesc); 562 563 extern void rqst_page_get_length(struct smb_rqst *rqst, unsigned int page, 564 unsigned int *len, unsigned int *offset); 565 566 #endif /* _CIFSPROTO_H */ 567