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 struct cifsFileInfo *cifs_new_fileinfo(struct cifs_fid *fid, 163 struct file *file, 164 struct tcon_link *tlink, 165 __u32 oplock); 166 extern int cifs_posix_open(char *full_path, struct inode **inode, 167 struct super_block *sb, int mode, 168 unsigned int f_flags, __u32 *oplock, __u16 *netfid, 169 unsigned int xid); 170 void cifs_fill_uniqueid(struct super_block *sb, struct cifs_fattr *fattr); 171 extern void cifs_unix_basic_to_fattr(struct cifs_fattr *fattr, 172 FILE_UNIX_BASIC_INFO *info, 173 struct cifs_sb_info *cifs_sb); 174 extern void cifs_dir_info_to_fattr(struct cifs_fattr *, FILE_DIRECTORY_INFO *, 175 struct cifs_sb_info *); 176 extern void cifs_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr); 177 extern struct inode *cifs_iget(struct super_block *sb, 178 struct cifs_fattr *fattr); 179 180 extern int cifs_get_inode_info(struct inode **inode, const char *full_path, 181 FILE_ALL_INFO *data, struct super_block *sb, 182 int xid, const struct cifs_fid *fid); 183 extern int cifs_get_inode_info_unix(struct inode **pinode, 184 const unsigned char *search_path, 185 struct super_block *sb, unsigned int xid); 186 extern int cifs_set_file_info(struct inode *inode, struct iattr *attrs, 187 unsigned int xid, char *full_path, __u32 dosattr); 188 extern int cifs_rename_pending_delete(const char *full_path, 189 struct dentry *dentry, 190 const unsigned int xid); 191 extern int cifs_acl_to_fattr(struct cifs_sb_info *cifs_sb, 192 struct cifs_fattr *fattr, struct inode *inode, 193 const char *path, const struct cifs_fid *pfid); 194 extern int id_mode_to_cifs_acl(struct inode *inode, const char *path, __u64, 195 kuid_t, kgid_t); 196 extern struct cifs_ntsd *get_cifs_acl(struct cifs_sb_info *, struct inode *, 197 const char *, u32 *); 198 extern struct cifs_ntsd *get_cifs_acl_by_fid(struct cifs_sb_info *, 199 const struct cifs_fid *, u32 *); 200 extern int set_cifs_acl(struct cifs_ntsd *, __u32, struct inode *, 201 const char *, int); 202 203 extern void dequeue_mid(struct mid_q_entry *mid, bool malformed); 204 extern int cifs_read_from_socket(struct TCP_Server_Info *server, char *buf, 205 unsigned int to_read); 206 extern int cifs_read_page_from_socket(struct TCP_Server_Info *server, 207 struct page *page, 208 unsigned int page_offset, 209 unsigned int to_read); 210 extern int cifs_setup_cifs_sb(struct smb_vol *pvolume_info, 211 struct cifs_sb_info *cifs_sb); 212 extern int cifs_match_super(struct super_block *, void *); 213 extern void cifs_cleanup_volume_info(struct smb_vol *pvolume_info); 214 extern struct smb_vol *cifs_get_volume_info(char *mount_data, 215 const char *devname, bool is_smb3); 216 extern int cifs_mount(struct cifs_sb_info *, struct smb_vol *); 217 extern void cifs_umount(struct cifs_sb_info *); 218 extern void cifs_mark_open_files_invalid(struct cifs_tcon *tcon); 219 extern void cifs_reopen_persistent_handles(struct cifs_tcon *tcon); 220 221 extern bool cifs_find_lock_conflict(struct cifsFileInfo *cfile, __u64 offset, 222 __u64 length, __u8 type, 223 struct cifsLockInfo **conf_lock, 224 int rw_check); 225 extern void cifs_add_pending_open(struct cifs_fid *fid, 226 struct tcon_link *tlink, 227 struct cifs_pending_open *open); 228 extern void cifs_add_pending_open_locked(struct cifs_fid *fid, 229 struct tcon_link *tlink, 230 struct cifs_pending_open *open); 231 extern void cifs_del_pending_open(struct cifs_pending_open *open); 232 extern void cifs_put_tcp_session(struct TCP_Server_Info *server, 233 int from_reconnect); 234 extern void cifs_put_tcon(struct cifs_tcon *tcon); 235 236 #if IS_ENABLED(CONFIG_CIFS_DFS_UPCALL) 237 extern void cifs_dfs_release_automount_timer(void); 238 #else /* ! IS_ENABLED(CONFIG_CIFS_DFS_UPCALL) */ 239 #define cifs_dfs_release_automount_timer() do { } while (0) 240 #endif /* ! IS_ENABLED(CONFIG_CIFS_DFS_UPCALL) */ 241 242 void cifs_proc_init(void); 243 void cifs_proc_clean(void); 244 245 extern void cifs_move_llist(struct list_head *source, struct list_head *dest); 246 extern void cifs_free_llist(struct list_head *llist); 247 extern void cifs_del_lock_waiters(struct cifsLockInfo *lock); 248 249 extern int cifs_negotiate_protocol(const unsigned int xid, 250 struct cifs_ses *ses); 251 extern int cifs_setup_session(const unsigned int xid, struct cifs_ses *ses, 252 struct nls_table *nls_info); 253 extern int cifs_enable_signing(struct TCP_Server_Info *server, bool mnt_sign_required); 254 extern int CIFSSMBNegotiate(const unsigned int xid, struct cifs_ses *ses); 255 256 extern int CIFSTCon(const unsigned int xid, struct cifs_ses *ses, 257 const char *tree, struct cifs_tcon *tcon, 258 const struct nls_table *); 259 260 extern int CIFSFindFirst(const unsigned int xid, struct cifs_tcon *tcon, 261 const char *searchName, struct cifs_sb_info *cifs_sb, 262 __u16 *searchHandle, __u16 search_flags, 263 struct cifs_search_info *psrch_inf, 264 bool msearch); 265 266 extern int CIFSFindNext(const unsigned int xid, struct cifs_tcon *tcon, 267 __u16 searchHandle, __u16 search_flags, 268 struct cifs_search_info *psrch_inf); 269 270 extern int CIFSFindClose(const unsigned int xid, struct cifs_tcon *tcon, 271 const __u16 search_handle); 272 273 extern int CIFSSMBQFileInfo(const unsigned int xid, struct cifs_tcon *tcon, 274 u16 netfid, FILE_ALL_INFO *pFindData); 275 extern int CIFSSMBQPathInfo(const unsigned int xid, struct cifs_tcon *tcon, 276 const char *search_Name, FILE_ALL_INFO *data, 277 int legacy /* whether to use old info level */, 278 const struct nls_table *nls_codepage, int remap); 279 extern int SMBQueryInformation(const unsigned int xid, struct cifs_tcon *tcon, 280 const char *search_name, FILE_ALL_INFO *data, 281 const struct nls_table *nls_codepage, int remap); 282 283 extern int CIFSSMBUnixQFileInfo(const unsigned int xid, struct cifs_tcon *tcon, 284 u16 netfid, FILE_UNIX_BASIC_INFO *pFindData); 285 extern int CIFSSMBUnixQPathInfo(const unsigned int xid, 286 struct cifs_tcon *tcon, 287 const unsigned char *searchName, 288 FILE_UNIX_BASIC_INFO *pFindData, 289 const struct nls_table *nls_codepage, int remap); 290 291 extern int CIFSGetDFSRefer(const unsigned int xid, struct cifs_ses *ses, 292 const char *search_name, 293 struct dfs_info3_param **target_nodes, 294 unsigned int *num_of_nodes, 295 const struct nls_table *nls_codepage, int remap); 296 297 extern int get_dfs_path(const unsigned int xid, struct cifs_ses *ses, 298 const char *old_path, 299 const struct nls_table *nls_codepage, 300 unsigned int *num_referrals, 301 struct dfs_info3_param **referrals, int remap); 302 extern int parse_dfs_referrals(struct get_dfs_referral_rsp *rsp, u32 rsp_size, 303 unsigned int *num_of_nodes, 304 struct dfs_info3_param **target_nodes, 305 const struct nls_table *nls_codepage, int remap, 306 const char *searchName, bool is_unicode); 307 extern void reset_cifs_unix_caps(unsigned int xid, struct cifs_tcon *tcon, 308 struct cifs_sb_info *cifs_sb, 309 struct smb_vol *vol); 310 extern int CIFSSMBQFSInfo(const unsigned int xid, struct cifs_tcon *tcon, 311 struct kstatfs *FSData); 312 extern int SMBOldQFSInfo(const unsigned int xid, struct cifs_tcon *tcon, 313 struct kstatfs *FSData); 314 extern int CIFSSMBSetFSUnixInfo(const unsigned int xid, struct cifs_tcon *tcon, 315 __u64 cap); 316 317 extern int CIFSSMBQFSAttributeInfo(const unsigned int xid, 318 struct cifs_tcon *tcon); 319 extern int CIFSSMBQFSDeviceInfo(const unsigned int xid, struct cifs_tcon *tcon); 320 extern int CIFSSMBQFSUnixInfo(const unsigned int xid, struct cifs_tcon *tcon); 321 extern int CIFSSMBQFSPosixInfo(const unsigned int xid, struct cifs_tcon *tcon, 322 struct kstatfs *FSData); 323 324 extern int CIFSSMBSetPathInfo(const unsigned int xid, struct cifs_tcon *tcon, 325 const char *fileName, const FILE_BASIC_INFO *data, 326 const struct nls_table *nls_codepage, 327 int remap_special_chars); 328 extern int CIFSSMBSetFileInfo(const unsigned int xid, struct cifs_tcon *tcon, 329 const FILE_BASIC_INFO *data, __u16 fid, 330 __u32 pid_of_opener); 331 extern int CIFSSMBSetFileDisposition(const unsigned int xid, 332 struct cifs_tcon *tcon, 333 bool delete_file, __u16 fid, 334 __u32 pid_of_opener); 335 #if 0 336 extern int CIFSSMBSetAttrLegacy(unsigned int xid, struct cifs_tcon *tcon, 337 char *fileName, __u16 dos_attributes, 338 const struct nls_table *nls_codepage); 339 #endif /* possibly unneeded function */ 340 extern int CIFSSMBSetEOF(const unsigned int xid, struct cifs_tcon *tcon, 341 const char *file_name, __u64 size, 342 struct cifs_sb_info *cifs_sb, bool set_allocation); 343 extern int CIFSSMBSetFileSize(const unsigned int xid, struct cifs_tcon *tcon, 344 struct cifsFileInfo *cfile, __u64 size, 345 bool set_allocation); 346 347 struct cifs_unix_set_info_args { 348 __u64 ctime; 349 __u64 atime; 350 __u64 mtime; 351 __u64 mode; 352 kuid_t uid; 353 kgid_t gid; 354 dev_t device; 355 }; 356 357 extern int CIFSSMBUnixSetFileInfo(const unsigned int xid, 358 struct cifs_tcon *tcon, 359 const struct cifs_unix_set_info_args *args, 360 u16 fid, u32 pid_of_opener); 361 362 extern int CIFSSMBUnixSetPathInfo(const unsigned int xid, 363 struct cifs_tcon *tcon, const char *file_name, 364 const struct cifs_unix_set_info_args *args, 365 const struct nls_table *nls_codepage, 366 int remap); 367 368 extern int CIFSSMBMkDir(const unsigned int xid, struct cifs_tcon *tcon, 369 const char *name, struct cifs_sb_info *cifs_sb); 370 extern int CIFSSMBRmDir(const unsigned int xid, struct cifs_tcon *tcon, 371 const char *name, struct cifs_sb_info *cifs_sb); 372 extern int CIFSPOSIXDelFile(const unsigned int xid, struct cifs_tcon *tcon, 373 const char *name, __u16 type, 374 const struct nls_table *nls_codepage, 375 int remap_special_chars); 376 extern int CIFSSMBDelFile(const unsigned int xid, struct cifs_tcon *tcon, 377 const char *name, struct cifs_sb_info *cifs_sb); 378 extern int CIFSSMBRename(const unsigned int xid, struct cifs_tcon *tcon, 379 const char *from_name, const char *to_name, 380 struct cifs_sb_info *cifs_sb); 381 extern int CIFSSMBRenameOpenFile(const unsigned int xid, struct cifs_tcon *tcon, 382 int netfid, const char *target_name, 383 const struct nls_table *nls_codepage, 384 int remap_special_chars); 385 extern int CIFSCreateHardLink(const unsigned int xid, struct cifs_tcon *tcon, 386 const char *from_name, const char *to_name, 387 struct cifs_sb_info *cifs_sb); 388 extern int CIFSUnixCreateHardLink(const unsigned int xid, 389 struct cifs_tcon *tcon, 390 const char *fromName, const char *toName, 391 const struct nls_table *nls_codepage, 392 int remap_special_chars); 393 extern int CIFSUnixCreateSymLink(const unsigned int xid, 394 struct cifs_tcon *tcon, 395 const char *fromName, const char *toName, 396 const struct nls_table *nls_codepage, int remap); 397 extern int CIFSSMBUnixQuerySymLink(const unsigned int xid, 398 struct cifs_tcon *tcon, 399 const unsigned char *searchName, char **syminfo, 400 const struct nls_table *nls_codepage, int remap); 401 extern int CIFSSMBQuerySymLink(const unsigned int xid, struct cifs_tcon *tcon, 402 __u16 fid, char **symlinkinfo, 403 const struct nls_table *nls_codepage); 404 extern int CIFSSMB_set_compression(const unsigned int xid, 405 struct cifs_tcon *tcon, __u16 fid); 406 extern int CIFS_open(const unsigned int xid, struct cifs_open_parms *oparms, 407 int *oplock, FILE_ALL_INFO *buf); 408 extern int SMBLegacyOpen(const unsigned int xid, struct cifs_tcon *tcon, 409 const char *fileName, const int disposition, 410 const int access_flags, const int omode, 411 __u16 *netfid, int *pOplock, FILE_ALL_INFO *, 412 const struct nls_table *nls_codepage, int remap); 413 extern int CIFSPOSIXCreate(const unsigned int xid, struct cifs_tcon *tcon, 414 u32 posix_flags, __u64 mode, __u16 *netfid, 415 FILE_UNIX_BASIC_INFO *pRetData, 416 __u32 *pOplock, const char *name, 417 const struct nls_table *nls_codepage, int remap); 418 extern int CIFSSMBClose(const unsigned int xid, struct cifs_tcon *tcon, 419 const int smb_file_id); 420 421 extern int CIFSSMBFlush(const unsigned int xid, struct cifs_tcon *tcon, 422 const int smb_file_id); 423 424 extern int CIFSSMBRead(const unsigned int xid, struct cifs_io_parms *io_parms, 425 unsigned int *nbytes, char **buf, 426 int *return_buf_type); 427 extern int CIFSSMBWrite(const unsigned int xid, struct cifs_io_parms *io_parms, 428 unsigned int *nbytes, const char *buf); 429 extern int CIFSSMBWrite2(const unsigned int xid, struct cifs_io_parms *io_parms, 430 unsigned int *nbytes, struct kvec *iov, const int nvec); 431 extern int CIFSGetSrvInodeNumber(const unsigned int xid, struct cifs_tcon *tcon, 432 const char *search_name, __u64 *inode_number, 433 const struct nls_table *nls_codepage, 434 int remap); 435 436 extern int cifs_lockv(const unsigned int xid, struct cifs_tcon *tcon, 437 const __u16 netfid, const __u8 lock_type, 438 const __u32 num_unlock, const __u32 num_lock, 439 LOCKING_ANDX_RANGE *buf); 440 extern int CIFSSMBLock(const unsigned int xid, struct cifs_tcon *tcon, 441 const __u16 netfid, const __u32 netpid, const __u64 len, 442 const __u64 offset, const __u32 numUnlock, 443 const __u32 numLock, const __u8 lockType, 444 const bool waitFlag, const __u8 oplock_level); 445 extern int CIFSSMBPosixLock(const unsigned int xid, struct cifs_tcon *tcon, 446 const __u16 smb_file_id, const __u32 netpid, 447 const loff_t start_offset, const __u64 len, 448 struct file_lock *, const __u16 lock_type, 449 const bool waitFlag); 450 extern int CIFSSMBTDis(const unsigned int xid, struct cifs_tcon *tcon); 451 extern int CIFSSMBEcho(struct TCP_Server_Info *server); 452 extern int CIFSSMBLogoff(const unsigned int xid, struct cifs_ses *ses); 453 454 extern struct cifs_ses *sesInfoAlloc(void); 455 extern void sesInfoFree(struct cifs_ses *); 456 extern struct cifs_tcon *tconInfoAlloc(void); 457 extern void tconInfoFree(struct cifs_tcon *); 458 459 extern int cifs_sign_rqst(struct smb_rqst *rqst, struct TCP_Server_Info *server, 460 __u32 *pexpected_response_sequence_number); 461 extern int cifs_sign_smbv(struct kvec *iov, int n_vec, struct TCP_Server_Info *, 462 __u32 *); 463 extern int cifs_sign_smb(struct smb_hdr *, struct TCP_Server_Info *, __u32 *); 464 extern int cifs_verify_signature(struct smb_rqst *rqst, 465 struct TCP_Server_Info *server, 466 __u32 expected_sequence_number); 467 extern int SMBNTencrypt(unsigned char *, unsigned char *, unsigned char *, 468 const struct nls_table *); 469 extern int setup_ntlm_response(struct cifs_ses *, const struct nls_table *); 470 extern int setup_ntlmv2_rsp(struct cifs_ses *, const struct nls_table *); 471 extern void cifs_crypto_secmech_release(struct TCP_Server_Info *server); 472 extern int calc_seckey(struct cifs_ses *); 473 extern int generate_smb30signingkey(struct cifs_ses *); 474 extern int generate_smb311signingkey(struct cifs_ses *); 475 476 #ifdef CONFIG_CIFS_WEAK_PW_HASH 477 extern int calc_lanman_hash(const char *password, const char *cryptkey, 478 bool encrypt, char *lnm_session_key); 479 #endif /* CIFS_WEAK_PW_HASH */ 480 #ifdef CONFIG_CIFS_DNOTIFY_EXPERIMENTAL /* unused temporarily */ 481 extern int CIFSSMBNotify(const unsigned int xid, struct cifs_tcon *tcon, 482 const int notify_subdirs, const __u16 netfid, 483 __u32 filter, struct file *file, int multishot, 484 const struct nls_table *nls_codepage); 485 #endif /* was needed for dnotify, and will be needed for inotify when VFS fix */ 486 extern int CIFSSMBCopy(unsigned int xid, 487 struct cifs_tcon *source_tcon, 488 const char *fromName, 489 const __u16 target_tid, 490 const char *toName, const int flags, 491 const struct nls_table *nls_codepage, 492 int remap_special_chars); 493 extern ssize_t CIFSSMBQAllEAs(const unsigned int xid, struct cifs_tcon *tcon, 494 const unsigned char *searchName, 495 const unsigned char *ea_name, char *EAData, 496 size_t bufsize, struct cifs_sb_info *cifs_sb); 497 extern int CIFSSMBSetEA(const unsigned int xid, struct cifs_tcon *tcon, 498 const char *fileName, const char *ea_name, 499 const void *ea_value, const __u16 ea_value_len, 500 const struct nls_table *nls_codepage, 501 struct cifs_sb_info *cifs_sb); 502 extern int CIFSSMBGetCIFSACL(const unsigned int xid, struct cifs_tcon *tcon, 503 __u16 fid, struct cifs_ntsd **acl_inf, __u32 *buflen); 504 extern int CIFSSMBSetCIFSACL(const unsigned int, struct cifs_tcon *, __u16, 505 struct cifs_ntsd *, __u32, int); 506 extern int CIFSSMBGetPosixACL(const unsigned int xid, struct cifs_tcon *tcon, 507 const unsigned char *searchName, 508 char *acl_inf, const int buflen, const int acl_type, 509 const struct nls_table *nls_codepage, int remap_special_chars); 510 extern int CIFSSMBSetPosixACL(const unsigned int xid, struct cifs_tcon *tcon, 511 const unsigned char *fileName, 512 const char *local_acl, const int buflen, const int acl_type, 513 const struct nls_table *nls_codepage, int remap_special_chars); 514 extern int CIFSGetExtAttr(const unsigned int xid, struct cifs_tcon *tcon, 515 const int netfid, __u64 *pExtAttrBits, __u64 *pMask); 516 extern void cifs_autodisable_serverino(struct cifs_sb_info *cifs_sb); 517 extern bool couldbe_mf_symlink(const struct cifs_fattr *fattr); 518 extern int check_mf_symlink(unsigned int xid, struct cifs_tcon *tcon, 519 struct cifs_sb_info *cifs_sb, 520 struct cifs_fattr *fattr, 521 const unsigned char *path); 522 extern int mdfour(unsigned char *, unsigned char *, int); 523 extern int E_md4hash(const unsigned char *passwd, unsigned char *p16, 524 const struct nls_table *codepage); 525 extern int SMBencrypt(unsigned char *passwd, const unsigned char *c8, 526 unsigned char *p24); 527 528 void cifs_readdata_release(struct kref *refcount); 529 int cifs_async_readv(struct cifs_readdata *rdata); 530 int cifs_readv_receive(struct TCP_Server_Info *server, struct mid_q_entry *mid); 531 532 int cifs_async_writev(struct cifs_writedata *wdata, 533 void (*release)(struct kref *kref)); 534 void cifs_writev_complete(struct work_struct *work); 535 struct cifs_writedata *cifs_writedata_alloc(unsigned int nr_pages, 536 work_func_t complete); 537 struct cifs_writedata *cifs_writedata_direct_alloc(struct page **pages, 538 work_func_t complete); 539 void cifs_writedata_release(struct kref *refcount); 540 int cifs_query_mf_symlink(unsigned int xid, struct cifs_tcon *tcon, 541 struct cifs_sb_info *cifs_sb, 542 const unsigned char *path, char *pbuf, 543 unsigned int *pbytes_read); 544 int cifs_create_mf_symlink(unsigned int xid, struct cifs_tcon *tcon, 545 struct cifs_sb_info *cifs_sb, 546 const unsigned char *path, char *pbuf, 547 unsigned int *pbytes_written); 548 int __cifs_calc_signature(struct smb_rqst *rqst, 549 struct TCP_Server_Info *server, char *signature, 550 struct shash_desc *shash); 551 enum securityEnum cifs_select_sectype(struct TCP_Server_Info *, 552 enum securityEnum); 553 struct cifs_aio_ctx *cifs_aio_ctx_alloc(void); 554 void cifs_aio_ctx_release(struct kref *refcount); 555 int setup_aio_ctx_iter(struct cifs_aio_ctx *ctx, struct iov_iter *iter, int rw); 556 void smb2_cached_lease_break(struct work_struct *work); 557 558 int cifs_alloc_hash(const char *name, struct crypto_shash **shash, 559 struct sdesc **sdesc); 560 void cifs_free_hash(struct crypto_shash **shash, struct sdesc **sdesc); 561 562 extern void rqst_page_get_length(struct smb_rqst *rqst, unsigned int page, 563 unsigned int *len, unsigned int *offset); 564 565 #endif /* _CIFSPROTO_H */ 566
