blob: d3701295402d2dc6b91913cb0484ca8fc65367d4 [file] [log] [blame]
Steve French929be902021-06-18 00:31:49 -05001/* SPDX-License-Identifier: LGPL-2.1 */
Linus Torvalds1da177e2005-04-16 15:20:36 -07002/*
Linus Torvalds1da177e2005-04-16 15:20:36 -07003 *
Steve French366781c2008-01-25 10:12:41 +00004 * Copyright (c) International Business Machines Corp., 2002,2008
Linus Torvalds1da177e2005-04-16 15:20:36 -07005 * Author(s): Steve French (sfrench@us.ibm.com)
6 *
Linus Torvalds1da177e2005-04-16 15:20:36 -07007 */
8#ifndef _CIFSPROTO_H
9#define _CIFSPROTO_H
10#include <linux/nls.h>
Steve Frenchd683bcd2018-05-19 02:28:53 -050011#include "trace.h"
Paulo Alcantara1c780222018-11-14 16:24:03 -020012#ifdef CONFIG_CIFS_DFS_UPCALL
13#include "dfs_cache.h"
14#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -070015
16struct statfs;
Jeff Laytonbf5ea0e2012-09-18 16:20:34 -070017struct smb_rqst;
Ronnie Sahlberg3fa1c6d2020-12-09 23:07:12 -060018struct smb3_fs_context;
Linus Torvalds1da177e2005-04-16 15:20:36 -070019
20/*
21 *****************************************************************
22 * All Prototypes
23 *****************************************************************
24 */
25
26extern struct smb_hdr *cifs_buf_get(void);
27extern void cifs_buf_release(void *);
28extern struct smb_hdr *cifs_small_buf_get(void);
29extern void cifs_small_buf_release(void *);
Sachin Prabhu6d81ed12014-06-16 15:35:24 +010030extern void free_rsp_buf(int, void *);
Jeff Layton0496e022008-12-30 12:39:16 -050031extern int smb_send(struct TCP_Server_Info *, struct smb_hdr *,
32 unsigned int /* length */);
Pavel Shilovsky6d5786a2012-06-20 11:21:16 +040033extern unsigned int _get_xid(void);
34extern void _free_xid(unsigned int);
Joe Perchesa0a30362020-04-14 22:42:53 -070035#define get_xid() \
36({ \
Pavel Shilovsky6d5786a2012-06-20 11:21:16 +040037 unsigned int __xid = _get_xid(); \
Joe Perchesa0a30362020-04-14 22:42:53 -070038 cifs_dbg(FYI, "VFS: in %s as Xid: %u with uid: %d\n", \
Joe Perchesf96637b2013-05-04 22:12:25 -050039 __func__, __xid, \
40 from_kuid(&init_user_ns, current_fsuid())); \
Joe Perchesa0a30362020-04-14 22:42:53 -070041 trace_smb3_enter(__xid, __func__); \
42 __xid; \
Joe Perchesb6b38f72010-04-21 03:50:45 +000043})
44
Joe Perchesa0a30362020-04-14 22:42:53 -070045#define free_xid(curr_xid) \
46do { \
47 _free_xid(curr_xid); \
48 cifs_dbg(FYI, "VFS: leaving %s (xid = %u) rc = %d\n", \
49 __func__, curr_xid, (int)rc); \
50 if (rc) \
Steve Frenchd683bcd2018-05-19 02:28:53 -050051 trace_smb3_exit_err(curr_xid, __func__, (int)rc); \
Joe Perchesa0a30362020-04-14 22:42:53 -070052 else \
53 trace_smb3_exit_done(curr_xid, __func__); \
Joe Perchesb6b38f72010-04-21 03:50:45 +000054} while (0)
Shirish Pargaonkar4d79dba2011-04-27 23:34:35 -050055extern int init_cifs_idmap(void);
56extern void exit_cifs_idmap(void);
Sachin Prabhub74cb9a2016-05-17 18:20:13 -050057extern int init_cifs_spnego(void);
58extern void exit_cifs_spnego(void);
Al Virof6a9bc32021-03-05 17:36:04 -050059extern const char *build_path_from_dentry(struct dentry *, void *);
Aurelien Aptel268a6352017-02-13 16:14:17 +010060extern char *build_path_from_dentry_optional_prefix(struct dentry *direntry,
Al Virof6a9bc32021-03-05 17:36:04 -050061 void *page, bool prefix);
62static inline void *alloc_dentry_path(void)
63{
64 return __getname();
65}
66
67static inline void free_dentry_path(void *page)
68{
69 if (page)
70 __putname(page);
71}
72
Ronnie Sahlberg3fa1c6d2020-12-09 23:07:12 -060073extern char *cifs_build_path_to_root(struct smb3_fs_context *ctx,
Steve French6d3ea7e2012-11-28 22:34:41 -060074 struct cifs_sb_info *cifs_sb,
Sachin Prabhu374402a2016-12-15 12:31:19 +053075 struct cifs_tcon *tcon,
76 int add_treename);
Linus Torvalds1da177e2005-04-16 15:20:36 -070077extern char *build_wildcard_path_from_dentry(struct dentry *direntry);
Steve Frenchc6c00912009-03-18 05:50:07 +000078extern char *cifs_compose_mount_options(const char *sb_mountdata,
Ronnie Sahlberg0d4873f2021-01-28 21:35:10 -060079 const char *fullpath, const struct dfs_info3_param *ref,
80 char **devname);
Steve French99ee4db2007-02-27 05:35:17 +000081/* extern void renew_parental_timestamps(struct dentry *direntry);*/
Jeff Laytona6827c12011-01-11 07:24:21 -050082extern struct mid_q_entry *AllocMidQEntry(const struct smb_hdr *smb_buffer,
83 struct TCP_Server_Info *server);
Jeff Layton766fdbb2011-01-11 07:24:21 -050084extern void DeleteMidQEntry(struct mid_q_entry *midEntry);
Pavel Shilovsky3c1bf7e2012-09-18 16:20:30 -070085extern void cifs_delete_mid(struct mid_q_entry *mid);
Lars Persson696e4202018-06-25 14:05:25 +020086extern void cifs_mid_q_entry_release(struct mid_q_entry *midEntry);
Pavel Shilovsky2dc7e1c2011-12-26 22:53:34 +040087extern void cifs_wake_up_task(struct mid_q_entry *mid);
Pavel Shilovsky4326ed22016-11-17 15:24:46 -080088extern int cifs_handle_standard(struct TCP_Server_Info *server,
89 struct mid_q_entry *mid);
Ronnie Sahlberg66e7b092020-11-05 13:58:14 +100090extern int smb3_parse_devname(const char *devname, struct smb3_fs_context *ctx);
Ronnie Sahlberg0d4873f2021-01-28 21:35:10 -060091extern int smb3_parse_opt(const char *options, const char *key, char **val);
Paulo Alcantarae4af35f2020-05-19 15:38:28 -030092extern bool cifs_match_ipaddr(struct sockaddr *srcaddr, struct sockaddr *rhs);
Pavel Shilovsky350be252017-04-10 10:31:33 -070093extern int cifs_discard_remaining_data(struct TCP_Server_Info *server);
Jeff Laytonfec344e2012-09-18 16:20:35 -070094extern int cifs_call_async(struct TCP_Server_Info *server,
95 struct smb_rqst *rqst,
96 mid_receive_t *receive, mid_callback_t *callback,
Pavel Shilovsky3349c3a2019-01-15 15:52:29 -080097 mid_handle_t *handle, void *cbdata, const int flags,
98 const struct cifs_credits *exist_credits);
Aurelien Aptel5f68ea42020-04-22 15:58:57 +020099extern struct TCP_Server_Info *cifs_pick_channel(struct cifs_ses *ses);
Pavel Shilovskyb8f57ee2016-11-23 15:31:54 -0800100extern int cifs_send_recv(const unsigned int xid, struct cifs_ses *ses,
Aurelien Aptel352d96f2020-05-31 12:38:22 -0500101 struct TCP_Server_Info *server,
Pavel Shilovskyb8f57ee2016-11-23 15:31:54 -0800102 struct smb_rqst *rqst, int *resp_buf_type,
103 const int flags, struct kvec *resp_iov);
Ronnie Sahlberge0bba0b82018-08-01 09:26:13 +1000104extern int compound_send_recv(const unsigned int xid, struct cifs_ses *ses,
Aurelien Aptel352d96f2020-05-31 12:38:22 -0500105 struct TCP_Server_Info *server,
Ronnie Sahlberge0bba0b82018-08-01 09:26:13 +1000106 const int flags, const int num_rqst,
107 struct smb_rqst *rqst, int *resp_buf_type,
108 struct kvec *resp_iov);
Steve French96daf2b2011-05-27 04:34:02 +0000109extern int SendReceive(const unsigned int /* xid */ , struct cifs_ses *,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700110 struct smb_hdr * /* input */ ,
111 struct smb_hdr * /* out */ ,
Pavel Shilovskya891f0f2012-05-23 16:14:34 +0400112 int * /* bytes returned */ , const int);
Steve French96daf2b2011-05-27 04:34:02 +0000113extern int SendReceiveNoRsp(const unsigned int xid, struct cifs_ses *ses,
Pavel Shilovsky792af7b2012-03-23 14:28:02 -0400114 char *in_buf, int flags);
Jeff Laytonfec344e2012-09-18 16:20:35 -0700115extern struct mid_q_entry *cifs_setup_request(struct cifs_ses *,
Aurelien Aptelf780bd32019-09-20 06:08:34 +0200116 struct TCP_Server_Info *,
Jeff Laytonfec344e2012-09-18 16:20:35 -0700117 struct smb_rqst *);
118extern struct mid_q_entry *cifs_setup_async_request(struct TCP_Server_Info *,
119 struct smb_rqst *);
Jeff Layton2c8f9812011-05-19 16:22:52 -0400120extern int cifs_check_receive(struct mid_q_entry *mid,
121 struct TCP_Server_Info *server, bool log_error);
Pavel Shilovskycb7e9ea2014-06-05 19:03:27 +0400122extern int cifs_wait_mtu_credits(struct TCP_Server_Info *server,
123 unsigned int size, unsigned int *num,
Pavel Shilovsky335b7b62019-01-16 11:12:41 -0800124 struct cifs_credits *credits);
Steve French96daf2b2011-05-27 04:34:02 +0000125extern int SendReceive2(const unsigned int /* xid */ , struct cifs_ses *,
Steve Frenchd38d8c72007-06-28 19:44:13 +0000126 struct kvec *, int /* nvec to send */,
Pavel Shilovskyda502f72016-10-25 11:38:47 -0700127 int * /* type of buf returned */, const int flags,
128 struct kvec * /* resp vec */);
Steve Frenchad7a2922008-02-07 23:25:02 +0000129extern int SendReceiveBlockingLock(const unsigned int xid,
Steve French96daf2b2011-05-27 04:34:02 +0000130 struct cifs_tcon *ptcon,
Steve Frenchad7a2922008-02-07 23:25:02 +0000131 struct smb_hdr *in_buf ,
132 struct smb_hdr *out_buf,
133 int *bytes_returned);
Shyam Prasad Nba978e82022-01-17 07:15:02 +0000134void
135cifs_mark_tcp_ses_conns_for_reconnect(struct TCP_Server_Info *server,
136 bool mark_smb_session);
Shyam Prasad N183eea22021-07-19 14:14:46 +0000137extern int cifs_reconnect(struct TCP_Server_Info *server,
138 bool mark_smb_session);
Steve French373512e2015-12-18 13:05:30 -0600139extern int checkSMB(char *buf, unsigned int len, struct TCP_Server_Info *srvr);
Pavel Shilovskyd4e48542012-03-23 14:28:02 -0400140extern bool is_valid_oplock_break(char *, struct TCP_Server_Info *);
Shirish Pargaonkar3d3ea8e2011-09-26 09:56:44 -0500141extern bool backup_cred(struct cifs_sb_info *);
Steve French4b18f2a2008-04-29 00:06:05 +0000142extern bool is_size_safe_to_change(struct cifsInodeInfo *, __u64 eof);
Pavel Shilovsky72432ff2011-01-24 14:16:35 -0500143extern void cifs_update_eof(struct cifsInodeInfo *cifsi, loff_t offset,
144 unsigned int bytes_written);
Aurelien Aptel86f740f2020-02-21 11:19:06 +0100145extern struct cifsFileInfo *find_writable_file(struct cifsInodeInfo *, int);
Pavel Shilovskyfe768d52019-01-29 12:15:11 -0800146extern int cifs_get_writable_file(struct cifsInodeInfo *cifs_inode,
Aurelien Aptel86f740f2020-02-21 11:19:06 +0100147 int flags,
Pavel Shilovskyfe768d52019-01-29 12:15:11 -0800148 struct cifsFileInfo **ret_file);
Ronnie Sahlberg8de9e862019-08-30 08:25:46 +1000149extern int cifs_get_writable_path(struct cifs_tcon *tcon, const char *name,
Aurelien Aptel86f740f2020-02-21 11:19:06 +0100150 int flags,
Ronnie Sahlberg8de9e862019-08-30 08:25:46 +1000151 struct cifsFileInfo **ret_file);
Jeff Layton6508d902010-09-29 19:51:11 -0400152extern struct cifsFileInfo *find_readable_file(struct cifsInodeInfo *, bool);
Ronnie Sahlberg496902d2019-09-09 15:30:00 +1000153extern int cifs_get_readable_path(struct cifs_tcon *tcon, const char *name,
154 struct cifsFileInfo **ret_file);
Ronnie Sahlberg9ec672b2018-04-22 15:30:12 -0600155extern unsigned int smbCalcSize(void *buf, struct TCP_Server_Info *server);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700156extern int decode_negTokenInit(unsigned char *security_blob, int length,
Jeff Layton26efa0b2010-04-24 07:57:49 -0400157 struct TCP_Server_Info *server);
David Howells67b76262010-07-22 18:33:01 +0100158extern int cifs_convert_address(struct sockaddr *dst, const char *src, int len);
Jeff Laytonb979aaa2012-11-26 11:09:55 -0500159extern void cifs_set_port(struct sockaddr *addr, const unsigned short int port);
Pavel Shilovsky5ffef7b2012-03-23 14:28:03 -0400160extern int map_smb_to_linux_error(char *buf, bool logErr);
Roberto Bergantinos Corpasa3713ec2020-07-03 11:29:32 +0200161extern int map_and_check_smb_error(struct mid_q_entry *mid, bool logErr);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700162extern void header_assemble(struct smb_hdr *, char /* command */ ,
Steve French96daf2b2011-05-27 04:34:02 +0000163 const struct cifs_tcon *, int /* length of
Steve French1982c342005-08-17 12:38:22 -0700164 fixed section (word count) in two byte units */);
Steve French5815449d2006-02-14 01:36:20 +0000165extern int small_smb_init_no_tc(const int smb_cmd, const int wct,
Steve French96daf2b2011-05-27 04:34:02 +0000166 struct cifs_ses *ses,
Steve French50c2f752007-07-13 00:33:32 +0000167 void **request_buf);
Jeff Layton3f618222013-06-12 19:52:14 -0500168extern enum securityEnum select_sectype(struct TCP_Server_Info *server,
169 enum securityEnum requested);
Pavel Shilovsky58c45c52012-05-25 10:54:49 +0400170extern int CIFS_SessSetup(const unsigned int xid, struct cifs_ses *ses,
Shyam Prasad Nf486ef82021-07-19 13:54:16 +0000171 struct TCP_Server_Info *server,
Pavel Shilovsky58c45c52012-05-25 10:54:49 +0400172 const struct nls_table *nls_cp);
Arnd Bergmann95390202018-06-19 17:27:58 +0200173extern struct timespec64 cifs_NTtimeToUnix(__le64 utc_nanoseconds_since_1601);
174extern u64 cifs_UnixTimeToNT(struct timespec64);
175extern struct timespec64 cnvrtDosUnixTm(__le16 le_date, __le16 le_time,
Jeff Laytonc4a2c082009-05-27 09:37:33 -0400176 int offset);
Pavel Shilovskyc6723622010-11-03 10:58:57 +0300177extern void cifs_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock);
Sachin Prabhuc11f1df2014-03-11 16:11:47 +0000178extern int cifs_get_writer(struct cifsInodeInfo *cinode);
179extern void cifs_put_writer(struct cifsInodeInfo *cinode);
180extern void cifs_done_oplock_break(struct cifsInodeInfo *cinode);
Pavel Shilovskyd39a4f72012-09-19 06:22:43 -0700181extern int cifs_unlock_range(struct cifsFileInfo *cfile,
182 struct file_lock *flock, const unsigned int xid);
183extern int cifs_push_mandatory_locks(struct cifsFileInfo *cfile);
Steve French1bd5bbc2006-09-28 03:35:57 +0000184
Dave Wysochanskid46b0da2019-10-23 05:02:33 -0400185extern void cifs_down_write(struct rw_semaphore *sem);
Pavel Shilovskyfb1214e2012-09-18 16:20:26 -0700186extern struct cifsFileInfo *cifs_new_fileinfo(struct cifs_fid *fid,
187 struct file *file,
188 struct tcon_link *tlink,
189 __u32 oplock);
Al Virof6f1f172021-03-18 15:44:05 -0400190extern int cifs_posix_open(const char *full_path, struct inode **inode,
Pavel Shilovsky6d5786a2012-06-20 11:21:16 +0400191 struct super_block *sb, int mode,
192 unsigned int f_flags, __u32 *oplock, __u16 *netfid,
193 unsigned int xid);
Jeff Layton4065c802010-05-17 07:18:58 -0400194void cifs_fill_uniqueid(struct super_block *sb, struct cifs_fattr *fattr);
Jeff Laytoncc0bad72009-06-25 00:56:52 -0400195extern void cifs_unix_basic_to_fattr(struct cifs_fattr *fattr,
196 FILE_UNIX_BASIC_INFO *info,
197 struct cifs_sb_info *cifs_sb);
Shirish Pargaonkarc052e2b2012-09-28 12:21:14 -0500198extern void cifs_dir_info_to_fattr(struct cifs_fattr *, FILE_DIRECTORY_INFO *,
199 struct cifs_sb_info *);
Al Viro4d669522021-02-10 21:23:04 -0500200extern int cifs_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr);
Jeff Laytoncc0bad72009-06-25 00:56:52 -0400201extern struct inode *cifs_iget(struct super_block *sb,
202 struct cifs_fattr *fattr);
203
Pavel Shilovsky1208ef12012-05-27 17:34:43 +0400204extern int cifs_get_inode_info(struct inode **inode, const char *full_path,
205 FILE_ALL_INFO *data, struct super_block *sb,
Steve French42eacf92014-02-10 14:08:16 -0600206 int xid, const struct cifs_fid *fid);
Steve French6a5f6592020-06-11 19:25:47 -0500207extern int smb311_posix_get_inode_info(struct inode **pinode, const char *search_path,
208 struct super_block *sb, unsigned int xid);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700209extern int cifs_get_inode_info_unix(struct inode **pinode,
210 const unsigned char *search_path,
Pavel Shilovsky6d5786a2012-06-20 11:21:16 +0400211 struct super_block *sb, unsigned int xid);
Pavel Shilovskyed6875e2012-09-18 16:20:25 -0700212extern int cifs_set_file_info(struct inode *inode, struct iattr *attrs,
Al Virof6f1f172021-03-18 15:44:05 -0400213 unsigned int xid, const char *full_path, __u32 dosattr);
Pavel Shilovskyed6875e2012-09-18 16:20:25 -0700214extern int cifs_rename_pending_delete(const char *full_path,
215 struct dentry *dentry,
216 const unsigned int xid);
Steve French99344302020-10-20 02:02:02 -0500217extern int sid_to_id(struct cifs_sb_info *cifs_sb, struct cifs_sid *psid,
218 struct cifs_fattr *fattr, uint sidtype);
Shirish Pargaonkar987b21d2010-11-10 07:50:35 -0600219extern int cifs_acl_to_fattr(struct cifs_sb_info *cifs_sb,
Jeff Layton0b8f18e2009-07-09 01:46:37 -0400220 struct cifs_fattr *fattr, struct inode *inode,
Steve Frenche2f8fbf2019-07-19 06:30:07 +0000221 bool get_mode_from_special_sid,
Steve French42eacf92014-02-10 14:08:16 -0600222 const char *path, const struct cifs_fid *pfid);
Shyam Prasad N0f220532020-08-17 03:23:12 -0700223extern int id_mode_to_cifs_acl(struct inode *inode, const char *path, __u64 *pnmode,
224 kuid_t uid, kgid_t gid);
Shirish Pargaonkarfbeba8b2010-11-27 11:37:54 -0600225extern struct cifs_ntsd *get_cifs_acl(struct cifs_sb_info *, struct inode *,
Boris Protopopov3970acf2020-12-18 11:30:12 -0600226 const char *, u32 *, u32);
Steve French42eacf92014-02-10 14:08:16 -0600227extern struct cifs_ntsd *get_cifs_acl_by_fid(struct cifs_sb_info *,
Boris Protopopov3970acf2020-12-18 11:30:12 -0600228 const struct cifs_fid *, u32 *, u32);
Steve Frenchb73b9a42011-04-19 18:27:10 +0000229extern int set_cifs_acl(struct cifs_ntsd *, __u32, struct inode *,
Shirish Pargaonkara5ff3762011-10-13 10:26:03 -0500230 const char *, int);
Steve French643fbce2020-01-16 19:55:33 -0600231extern unsigned int setup_authusers_ACE(struct cifs_ace *pace);
Steve Frenchfdef6652019-12-06 02:02:38 -0600232extern unsigned int setup_special_mode_ACE(struct cifs_ace *pace, __u64 nmode);
Steve French975221e2020-06-12 09:25:21 -0500233extern unsigned int setup_special_user_owner_ACE(struct cifs_ace *pace);
Steve French953f8682007-10-31 04:54:42 +0000234
Jeff Laytone28bc5b2011-10-19 15:30:07 -0400235extern void dequeue_mid(struct mid_q_entry *mid, bool malformed);
236extern int cifs_read_from_socket(struct TCP_Server_Info *server, char *buf,
Al Viro71335662016-01-09 19:54:50 -0500237 unsigned int to_read);
David Howellscf0604a2021-02-04 00:15:21 -0600238extern ssize_t cifs_discard_from_socket(struct TCP_Server_Info *server,
239 size_t to_read);
Al Viro71335662016-01-09 19:54:50 -0500240extern int cifs_read_page_from_socket(struct TCP_Server_Info *server,
Long Li1dbe3462018-05-30 12:47:55 -0700241 struct page *page,
242 unsigned int page_offset,
243 unsigned int to_read);
Ronnie Sahlberg51acd202020-12-14 16:40:24 +1000244extern int cifs_setup_cifs_sb(struct cifs_sb_info *cifs_sb);
Pavel Shilovsky724d9f12011-05-05 09:55:12 +0000245extern int cifs_match_super(struct super_block *, void *);
Ronnie Sahlberg3fa1c6d2020-12-09 23:07:12 -0600246extern int cifs_mount(struct cifs_sb_info *cifs_sb, struct smb3_fs_context *ctx);
Al Viro2a9b9952011-06-17 09:27:16 -0400247extern void cifs_umount(struct cifs_sb_info *);
Pavel Shilovskyaa24d1e2011-12-27 16:23:34 +0400248extern void cifs_mark_open_files_invalid(struct cifs_tcon *tcon);
Steve French52ace1e2016-09-22 19:23:56 -0500249extern void cifs_reopen_persistent_handles(struct cifs_tcon *tcon);
250
Pavel Shilovsky579f9052012-09-19 06:22:44 -0700251extern bool cifs_find_lock_conflict(struct cifsFileInfo *cfile, __u64 offset,
Ronnie Sahlberg96457592018-10-04 09:24:38 +1000252 __u64 length, __u8 type, __u16 flags,
Pavel Shilovsky579f9052012-09-19 06:22:44 -0700253 struct cifsLockInfo **conf_lock,
Pavel Shilovsky081c0412012-11-27 18:38:53 +0400254 int rw_check);
Pavel Shilovsky233839b2012-09-19 06:22:45 -0700255extern void cifs_add_pending_open(struct cifs_fid *fid,
256 struct tcon_link *tlink,
257 struct cifs_pending_open *open);
258extern void cifs_add_pending_open_locked(struct cifs_fid *fid,
259 struct tcon_link *tlink,
260 struct cifs_pending_open *open);
261extern void cifs_del_pending_open(struct cifs_pending_open *open);
Rohith Surabattulac3f207a2021-04-13 00:26:42 -0500262
263extern bool cifs_is_deferred_close(struct cifsFileInfo *cfile,
264 struct cifs_deferred_close **dclose);
265
266extern void cifs_add_deferred_close(struct cifsFileInfo *cfile,
267 struct cifs_deferred_close *dclose);
268
269extern void cifs_del_deferred_close(struct cifsFileInfo *cfile);
270
271extern void cifs_close_deferred_file(struct cifsInodeInfo *cifs_inode);
272
Rohith Surabattula78c09632021-04-19 19:02:03 +0000273extern void cifs_close_all_deferred_files(struct cifs_tcon *cifs_tcon);
274
Rohith Surabattulae3fc0652021-09-17 18:14:26 +0000275extern void cifs_close_deferred_file_under_dentry(struct cifs_tcon *cifs_tcon,
276 const char *path);
Shyam Prasad N0f2b3052021-07-19 11:26:24 +0000277extern struct TCP_Server_Info *
278cifs_get_tcp_session(struct smb3_fs_context *ctx,
279 struct TCP_Server_Info *primary_server);
Pavel Shilovsky53e0e112016-11-04 11:50:31 -0700280extern void cifs_put_tcp_session(struct TCP_Server_Info *server,
281 int from_reconnect);
282extern void cifs_put_tcon(struct cifs_tcon *tcon);
Jeff Layton815465c2012-03-21 06:27:54 -0400283
284#if IS_ENABLED(CONFIG_CIFS_DFS_UPCALL)
Igor Mammedov78d31a32008-04-24 12:56:07 +0400285extern void cifs_dfs_release_automount_timer(void);
Jeff Layton815465c2012-03-21 06:27:54 -0400286#else /* ! IS_ENABLED(CONFIG_CIFS_DFS_UPCALL) */
287#define cifs_dfs_release_automount_timer() do { } while (0)
288#endif /* ! IS_ENABLED(CONFIG_CIFS_DFS_UPCALL) */
289
Linus Torvalds1da177e2005-04-16 15:20:36 -0700290void cifs_proc_init(void);
291void cifs_proc_clean(void);
292
Pavel Shilovskyf7ba7fe2012-09-19 06:22:43 -0700293extern void cifs_move_llist(struct list_head *source, struct list_head *dest);
294extern void cifs_free_llist(struct list_head *llist);
295extern void cifs_del_lock_waiters(struct cifsLockInfo *lock);
296
Stefan Metzmacher565674d2020-07-21 09:36:38 -0300297extern int cifs_tree_connect(const unsigned int xid, struct cifs_tcon *tcon,
298 const struct nls_table *nlsc);
299
Pavel Shilovsky286170a2012-05-25 10:43:58 +0400300extern int cifs_negotiate_protocol(const unsigned int xid,
Shyam Prasad Nf486ef82021-07-19 13:54:16 +0000301 struct cifs_ses *ses,
302 struct TCP_Server_Info *server);
Pavel Shilovsky58c45c52012-05-25 10:54:49 +0400303extern int cifs_setup_session(const unsigned int xid, struct cifs_ses *ses,
Shyam Prasad Nf486ef82021-07-19 13:54:16 +0000304 struct TCP_Server_Info *server,
Pavel Shilovsky58c45c52012-05-25 10:54:49 +0400305 struct nls_table *nls_info);
Jeff Layton38d77c52013-05-26 07:01:00 -0400306extern int cifs_enable_signing(struct TCP_Server_Info *server, bool mnt_sign_required);
Shyam Prasad Nf486ef82021-07-19 13:54:16 +0000307extern int CIFSSMBNegotiate(const unsigned int xid,
308 struct cifs_ses *ses,
309 struct TCP_Server_Info *server);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700310
Pavel Shilovsky2e6e02a2012-05-25 11:11:39 +0400311extern int CIFSTCon(const unsigned int xid, struct cifs_ses *ses,
312 const char *tree, struct cifs_tcon *tcon,
313 const struct nls_table *);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700314
Pavel Shilovsky6d5786a2012-06-20 11:21:16 +0400315extern int CIFSFindFirst(const unsigned int xid, struct cifs_tcon *tcon,
Shirish Pargaonkarc052e2b2012-09-28 12:21:14 -0500316 const char *searchName, struct cifs_sb_info *cifs_sb,
Shirish Pargaonkar2608bee2012-05-15 10:19:16 -0500317 __u16 *searchHandle, __u16 search_flags,
318 struct cifs_search_info *psrch_inf,
Shirish Pargaonkarc052e2b2012-09-28 12:21:14 -0500319 bool msearch);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700320
Pavel Shilovsky6d5786a2012-06-20 11:21:16 +0400321extern int CIFSFindNext(const unsigned int xid, struct cifs_tcon *tcon,
Shirish Pargaonkar2608bee2012-05-15 10:19:16 -0500322 __u16 searchHandle, __u16 search_flags,
323 struct cifs_search_info *psrch_inf);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700324
Pavel Shilovsky6d5786a2012-06-20 11:21:16 +0400325extern int CIFSFindClose(const unsigned int xid, struct cifs_tcon *tcon,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700326 const __u16 search_handle);
327
Pavel Shilovsky6d5786a2012-06-20 11:21:16 +0400328extern int CIFSSMBQFileInfo(const unsigned int xid, struct cifs_tcon *tcon,
Jeff Laytonbcd53572010-02-12 07:44:16 -0500329 u16 netfid, FILE_ALL_INFO *pFindData);
Pavel Shilovsky6d5786a2012-06-20 11:21:16 +0400330extern int CIFSSMBQPathInfo(const unsigned int xid, struct cifs_tcon *tcon,
Pavel Shilovsky68889f22012-05-25 14:40:22 +0400331 const char *search_Name, FILE_ALL_INFO *data,
332 int legacy /* whether to use old info level */,
333 const struct nls_table *nls_codepage, int remap);
Pavel Shilovsky6d5786a2012-06-20 11:21:16 +0400334extern int SMBQueryInformation(const unsigned int xid, struct cifs_tcon *tcon,
Pavel Shilovsky68889f22012-05-25 14:40:22 +0400335 const char *search_name, FILE_ALL_INFO *data,
336 const struct nls_table *nls_codepage, int remap);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700337
Pavel Shilovsky6d5786a2012-06-20 11:21:16 +0400338extern int CIFSSMBUnixQFileInfo(const unsigned int xid, struct cifs_tcon *tcon,
Jeff Laytonc8634fd2010-02-12 07:44:17 -0500339 u16 netfid, FILE_UNIX_BASIC_INFO *pFindData);
Pavel Shilovsky6d5786a2012-06-20 11:21:16 +0400340extern int CIFSSMBUnixQPathInfo(const unsigned int xid,
Steve French96daf2b2011-05-27 04:34:02 +0000341 struct cifs_tcon *tcon,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700342 const unsigned char *searchName,
Steve French582d21e2008-05-13 04:54:12 +0000343 FILE_UNIX_BASIC_INFO *pFindData,
Steve French737b7582005-04-28 22:41:06 -0700344 const struct nls_table *nls_codepage, int remap);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700345
Pavel Shilovsky6d5786a2012-06-20 11:21:16 +0400346extern int CIFSGetDFSRefer(const unsigned int xid, struct cifs_ses *ses,
Pavel Shilovskyb669f332012-05-27 20:21:53 +0400347 const char *search_name,
348 struct dfs_info3_param **target_nodes,
349 unsigned int *num_of_nodes,
350 const struct nls_table *nls_codepage, int remap);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700351
Aurelien Aptel4ecce922017-02-13 16:03:47 +0100352extern int parse_dfs_referrals(struct get_dfs_referral_rsp *rsp, u32 rsp_size,
353 unsigned int *num_of_nodes,
354 struct dfs_info3_param **target_nodes,
355 const struct nls_table *nls_codepage, int remap,
356 const char *searchName, bool is_unicode);
Pavel Shilovsky6d5786a2012-06-20 11:21:16 +0400357extern void reset_cifs_unix_caps(unsigned int xid, struct cifs_tcon *tcon,
Al Viro2c6292a2011-06-17 09:05:48 -0400358 struct cifs_sb_info *cifs_sb,
Ronnie Sahlberg3fa1c6d2020-12-09 23:07:12 -0600359 struct smb3_fs_context *ctx);
Pavel Shilovsky6d5786a2012-06-20 11:21:16 +0400360extern int CIFSSMBQFSInfo(const unsigned int xid, struct cifs_tcon *tcon,
Steve French737b7582005-04-28 22:41:06 -0700361 struct kstatfs *FSData);
Pavel Shilovsky6d5786a2012-06-20 11:21:16 +0400362extern int SMBOldQFSInfo(const unsigned int xid, struct cifs_tcon *tcon,
Steve French20962432005-09-21 22:05:57 -0700363 struct kstatfs *FSData);
Pavel Shilovsky6d5786a2012-06-20 11:21:16 +0400364extern int CIFSSMBSetFSUnixInfo(const unsigned int xid, struct cifs_tcon *tcon,
Jeremy Allisonac670552005-06-22 17:26:35 -0700365 __u64 cap);
366
Pavel Shilovsky6d5786a2012-06-20 11:21:16 +0400367extern int CIFSSMBQFSAttributeInfo(const unsigned int xid,
Steve French96daf2b2011-05-27 04:34:02 +0000368 struct cifs_tcon *tcon);
Pavel Shilovsky6d5786a2012-06-20 11:21:16 +0400369extern int CIFSSMBQFSDeviceInfo(const unsigned int xid, struct cifs_tcon *tcon);
370extern int CIFSSMBQFSUnixInfo(const unsigned int xid, struct cifs_tcon *tcon);
371extern int CIFSSMBQFSPosixInfo(const unsigned int xid, struct cifs_tcon *tcon,
Steve French737b7582005-04-28 22:41:06 -0700372 struct kstatfs *FSData);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700373
Pavel Shilovsky6d5786a2012-06-20 11:21:16 +0400374extern int CIFSSMBSetPathInfo(const unsigned int xid, struct cifs_tcon *tcon,
Steve Frenchad7a2922008-02-07 23:25:02 +0000375 const char *fileName, const FILE_BASIC_INFO *data,
Steve French737b7582005-04-28 22:41:06 -0700376 const struct nls_table *nls_codepage,
Ronnie Sahlberg8e408fc2020-07-15 08:18:05 +1000377 struct cifs_sb_info *cifs_sb);
Pavel Shilovsky6d5786a2012-06-20 11:21:16 +0400378extern int CIFSSMBSetFileInfo(const unsigned int xid, struct cifs_tcon *tcon,
Jeff Layton2dd2dfa2008-08-02 07:26:12 -0400379 const FILE_BASIC_INFO *data, __u16 fid,
380 __u32 pid_of_opener);
Pavel Shilovsky6d5786a2012-06-20 11:21:16 +0400381extern int CIFSSMBSetFileDisposition(const unsigned int xid,
382 struct cifs_tcon *tcon,
383 bool delete_file, __u16 fid,
384 __u32 pid_of_opener);
Pavel Shilovsky6d5786a2012-06-20 11:21:16 +0400385extern int CIFSSMBSetEOF(const unsigned int xid, struct cifs_tcon *tcon,
Pavel Shilovskyd1433412012-09-18 16:20:31 -0700386 const char *file_name, __u64 size,
387 struct cifs_sb_info *cifs_sb, bool set_allocation);
Pavel Shilovsky6d5786a2012-06-20 11:21:16 +0400388extern int CIFSSMBSetFileSize(const unsigned int xid, struct cifs_tcon *tcon,
Pavel Shilovskyd1433412012-09-18 16:20:31 -0700389 struct cifsFileInfo *cfile, __u64 size,
390 bool set_allocation);
Jeff Layton4e1e7fb2008-08-02 07:26:12 -0400391
392struct cifs_unix_set_info_args {
393 __u64 ctime;
394 __u64 atime;
395 __u64 mtime;
396 __u64 mode;
Eric W. Biederman49418b22013-02-06 00:57:56 -0800397 kuid_t uid;
398 kgid_t gid;
Jeff Layton4e1e7fb2008-08-02 07:26:12 -0400399 dev_t device;
400};
401
Pavel Shilovsky6d5786a2012-06-20 11:21:16 +0400402extern int CIFSSMBUnixSetFileInfo(const unsigned int xid,
403 struct cifs_tcon *tcon,
Jeff Layton3bbeeb32009-07-09 20:02:50 -0400404 const struct cifs_unix_set_info_args *args,
405 u16 fid, u32 pid_of_opener);
406
Pavel Shilovsky6d5786a2012-06-20 11:21:16 +0400407extern int CIFSSMBUnixSetPathInfo(const unsigned int xid,
Pavel Shilovskyff691e92012-07-13 14:04:46 +0400408 struct cifs_tcon *tcon, const char *file_name,
Pavel Shilovsky6d5786a2012-06-20 11:21:16 +0400409 const struct cifs_unix_set_info_args *args,
410 const struct nls_table *nls_codepage,
Pavel Shilovskyff691e92012-07-13 14:04:46 +0400411 int remap);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700412
Steve Frenchc3ca78e2019-09-25 00:32:13 -0500413extern int CIFSSMBMkDir(const unsigned int xid, struct inode *inode,
414 umode_t mode, struct cifs_tcon *tcon,
Pavel Shilovskyf4367202012-03-17 11:41:12 +0300415 const char *name, struct cifs_sb_info *cifs_sb);
Pavel Shilovsky6d5786a2012-06-20 11:21:16 +0400416extern int CIFSSMBRmDir(const unsigned int xid, struct cifs_tcon *tcon,
Pavel Shilovskyf958ca52012-07-10 16:14:18 +0400417 const char *name, struct cifs_sb_info *cifs_sb);
Pavel Shilovsky6d5786a2012-06-20 11:21:16 +0400418extern int CIFSPOSIXDelFile(const unsigned int xid, struct cifs_tcon *tcon,
Steve French2d785a52007-07-15 01:48:57 +0000419 const char *name, __u16 type,
420 const struct nls_table *nls_codepage,
421 int remap_special_chars);
Pavel Shilovsky6d5786a2012-06-20 11:21:16 +0400422extern int CIFSSMBDelFile(const unsigned int xid, struct cifs_tcon *tcon,
Pavel Shilovskyed6875e2012-09-18 16:20:25 -0700423 const char *name, struct cifs_sb_info *cifs_sb);
Pavel Shilovsky6d5786a2012-06-20 11:21:16 +0400424extern int CIFSSMBRename(const unsigned int xid, struct cifs_tcon *tcon,
Pavel Shilovsky8ceb9842012-09-18 16:20:30 -0700425 const char *from_name, const char *to_name,
426 struct cifs_sb_info *cifs_sb);
Pavel Shilovsky6d5786a2012-06-20 11:21:16 +0400427extern int CIFSSMBRenameOpenFile(const unsigned int xid, struct cifs_tcon *tcon,
428 int netfid, const char *target_name,
429 const struct nls_table *nls_codepage,
430 int remap_special_chars);
Steve Frenchd6e906f2012-09-18 16:20:31 -0700431extern int CIFSCreateHardLink(const unsigned int xid, struct cifs_tcon *tcon,
432 const char *from_name, const char *to_name,
433 struct cifs_sb_info *cifs_sb);
Pavel Shilovsky6d5786a2012-06-20 11:21:16 +0400434extern int CIFSUnixCreateHardLink(const unsigned int xid,
Steve French96daf2b2011-05-27 04:34:02 +0000435 struct cifs_tcon *tcon,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700436 const char *fromName, const char *toName,
Steve Frenchd38d8c72007-06-28 19:44:13 +0000437 const struct nls_table *nls_codepage,
Steve French737b7582005-04-28 22:41:06 -0700438 int remap_special_chars);
Pavel Shilovsky6d5786a2012-06-20 11:21:16 +0400439extern int CIFSUnixCreateSymLink(const unsigned int xid,
Steve French96daf2b2011-05-27 04:34:02 +0000440 struct cifs_tcon *tcon,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700441 const char *fromName, const char *toName,
Nakajima Akirabc8ebdc42015-02-13 15:35:58 +0900442 const struct nls_table *nls_codepage, int remap);
Pavel Shilovsky6d5786a2012-06-20 11:21:16 +0400443extern int CIFSSMBUnixQuerySymLink(const unsigned int xid,
Steve French96daf2b2011-05-27 04:34:02 +0000444 struct cifs_tcon *tcon,
Jeff Layton460b9692009-04-30 07:17:56 -0400445 const unsigned char *searchName, char **syminfo,
Nakajima Akirabc8ebdc42015-02-13 15:35:58 +0900446 const struct nls_table *nls_codepage, int remap);
Pavel Shilovskyd244bf22013-08-14 19:25:22 +0400447extern int CIFSSMBQuerySymLink(const unsigned int xid, struct cifs_tcon *tcon,
448 __u16 fid, char **symlinkinfo,
449 const struct nls_table *nls_codepage);
Steve Frenchc7f508a2013-10-14 15:27:32 -0500450extern int CIFSSMB_set_compression(const unsigned int xid,
451 struct cifs_tcon *tcon, __u16 fid);
Pavel Shilovskyd81b8a42014-01-16 15:53:36 +0400452extern int CIFS_open(const unsigned int xid, struct cifs_open_parms *oparms,
453 int *oplock, FILE_ALL_INFO *buf);
Pavel Shilovsky6d5786a2012-06-20 11:21:16 +0400454extern int SMBLegacyOpen(const unsigned int xid, struct cifs_tcon *tcon,
Steve Frencha9d02ad2005-08-24 23:06:05 -0700455 const char *fileName, const int disposition,
456 const int access_flags, const int omode,
Steve French8840dee2007-11-16 23:05:52 +0000457 __u16 *netfid, int *pOplock, FILE_ALL_INFO *,
Steve Frencha9d02ad2005-08-24 23:06:05 -0700458 const struct nls_table *nls_codepage, int remap);
Pavel Shilovsky6d5786a2012-06-20 11:21:16 +0400459extern int CIFSPOSIXCreate(const unsigned int xid, struct cifs_tcon *tcon,
Steve French8840dee2007-11-16 23:05:52 +0000460 u32 posix_flags, __u64 mode, __u16 *netfid,
Steve French2dd29d32007-04-23 22:07:35 +0000461 FILE_UNIX_BASIC_INFO *pRetData,
462 __u32 *pOplock, const char *name,
Steve Frenchd38d8c72007-06-28 19:44:13 +0000463 const struct nls_table *nls_codepage, int remap);
Pavel Shilovsky6d5786a2012-06-20 11:21:16 +0400464extern int CIFSSMBClose(const unsigned int xid, struct cifs_tcon *tcon,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700465 const int smb_file_id);
466
Pavel Shilovsky6d5786a2012-06-20 11:21:16 +0400467extern int CIFSSMBFlush(const unsigned int xid, struct cifs_tcon *tcon,
Steve Frenchb298f222009-02-21 21:17:43 +0000468 const int smb_file_id);
469
Pavel Shilovsky6d5786a2012-06-20 11:21:16 +0400470extern int CIFSSMBRead(const unsigned int xid, struct cifs_io_parms *io_parms,
Pavel Shilovskyd4ffff12011-05-26 06:02:00 +0000471 unsigned int *nbytes, char **buf,
Steve Frenchd38d8c72007-06-28 19:44:13 +0000472 int *return_buf_type);
Pavel Shilovsky6d5786a2012-06-20 11:21:16 +0400473extern int CIFSSMBWrite(const unsigned int xid, struct cifs_io_parms *io_parms,
Al Virodbbab322016-09-05 17:53:43 -0400474 unsigned int *nbytes, const char *buf);
Pavel Shilovsky6d5786a2012-06-20 11:21:16 +0400475extern int CIFSSMBWrite2(const unsigned int xid, struct cifs_io_parms *io_parms,
Pavel Shilovskyba9ad7252012-09-18 16:20:30 -0700476 unsigned int *nbytes, struct kvec *iov, const int nvec);
Pavel Shilovsky6d5786a2012-06-20 11:21:16 +0400477extern int CIFSGetSrvInodeNumber(const unsigned int xid, struct cifs_tcon *tcon,
Pavel Shilovsky1208ef12012-05-27 17:34:43 +0400478 const char *search_name, __u64 *inode_number,
479 const struct nls_table *nls_codepage,
480 int remap);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700481
Pavel Shilovsky6d5786a2012-06-20 11:21:16 +0400482extern int cifs_lockv(const unsigned int xid, struct cifs_tcon *tcon,
483 const __u16 netfid, const __u8 lock_type,
484 const __u32 num_unlock, const __u32 num_lock,
485 LOCKING_ANDX_RANGE *buf);
486extern int CIFSSMBLock(const unsigned int xid, struct cifs_tcon *tcon,
Pavel Shilovsky03776f42010-08-17 11:26:00 +0400487 const __u16 netfid, const __u32 netpid, const __u64 len,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700488 const __u64 offset, const __u32 numUnlock,
489 const __u32 numLock, const __u8 lockType,
Pavel Shilovsky12fed002011-01-17 20:15:44 +0300490 const bool waitFlag, const __u8 oplock_level);
Pavel Shilovsky6d5786a2012-06-20 11:21:16 +0400491extern int CIFSSMBPosixLock(const unsigned int xid, struct cifs_tcon *tcon,
Pavel Shilovsky4f6bcec2011-10-22 15:33:30 +0400492 const __u16 smb_file_id, const __u32 netpid,
Jeff Laytonc5fd3632012-07-23 13:28:37 -0400493 const loff_t start_offset, const __u64 len,
494 struct file_lock *, const __u16 lock_type,
495 const bool waitFlag);
Pavel Shilovsky2e6e02a2012-05-25 11:11:39 +0400496extern int CIFSSMBTDis(const unsigned int xid, struct cifs_tcon *tcon);
Jeff Layton766fdbb2011-01-11 07:24:21 -0500497extern int CIFSSMBEcho(struct TCP_Server_Info *server);
Pavel Shilovsky58c45c52012-05-25 10:54:49 +0400498extern int CIFSSMBLogoff(const unsigned int xid, struct cifs_ses *ses);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700499
Steve French96daf2b2011-05-27 04:34:02 +0000500extern struct cifs_ses *sesInfoAlloc(void);
501extern void sesInfoFree(struct cifs_ses *);
502extern struct cifs_tcon *tconInfoAlloc(void);
503extern void tconInfoFree(struct cifs_tcon *);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700504
Jeff Laytonbf5ea0e2012-09-18 16:20:34 -0700505extern int cifs_sign_rqst(struct smb_rqst *rqst, struct TCP_Server_Info *server,
506 __u32 *pexpected_response_sequence_number);
Jeff Layton762a4202012-07-23 13:28:38 -0400507extern int cifs_sign_smbv(struct kvec *iov, int n_vec, struct TCP_Server_Info *,
Steve French84afc292005-12-02 13:32:45 -0800508 __u32 *);
Jeff Laytonbf5ea0e2012-09-18 16:20:34 -0700509extern int cifs_sign_smb(struct smb_hdr *, struct TCP_Server_Info *, __u32 *);
510extern int cifs_verify_signature(struct smb_rqst *rqst,
Shirish Pargaonkar21e73392010-10-21 06:42:55 -0500511 struct TCP_Server_Info *server,
Steve Frenchb609f062007-07-09 07:55:14 +0000512 __u32 expected_sequence_number);
Steve French96daf2b2011-05-27 04:34:02 +0000513extern int setup_ntlmv2_rsp(struct cifs_ses *, const struct nls_table *);
Pavel Shilovsky026e93d2016-11-03 16:47:37 -0700514extern void cifs_crypto_secmech_release(struct TCP_Server_Info *server);
Steve French96daf2b2011-05-27 04:34:02 +0000515extern int calc_seckey(struct cifs_ses *);
Shyam Prasad Nf486ef82021-07-19 13:54:16 +0000516extern int generate_smb30signingkey(struct cifs_ses *ses,
517 struct TCP_Server_Info *server);
518extern int generate_smb311signingkey(struct cifs_ses *ses,
519 struct TCP_Server_Info *server);
Shirish Pargaonkard2b91522010-10-21 14:25:08 -0500520
Pavel Shilovsky6d5786a2012-06-20 11:21:16 +0400521extern int CIFSSMBCopy(unsigned int xid,
Steve French96daf2b2011-05-27 04:34:02 +0000522 struct cifs_tcon *source_tcon,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700523 const char *fromName,
524 const __u16 target_tid,
525 const char *toName, const int flags,
Steve French50c2f752007-07-13 00:33:32 +0000526 const struct nls_table *nls_codepage,
Steve French737b7582005-04-28 22:41:06 -0700527 int remap_special_chars);
Pavel Shilovsky6d5786a2012-06-20 11:21:16 +0400528extern ssize_t CIFSSMBQAllEAs(const unsigned int xid, struct cifs_tcon *tcon,
Jeff Layton31c05192010-02-10 16:18:26 -0500529 const unsigned char *searchName,
530 const unsigned char *ea_name, char *EAData,
Steve French67b4c882017-05-12 20:59:10 -0500531 size_t bufsize, struct cifs_sb_info *cifs_sb);
Pavel Shilovsky6d5786a2012-06-20 11:21:16 +0400532extern int CIFSSMBSetEA(const unsigned int xid, struct cifs_tcon *tcon,
Steve Frenchd38d8c72007-06-28 19:44:13 +0000533 const char *fileName, const char *ea_name,
534 const void *ea_value, const __u16 ea_value_len,
Ronnie Sahlberg55175542017-08-24 11:24:56 +1000535 const struct nls_table *nls_codepage,
536 struct cifs_sb_info *cifs_sb);
Pavel Shilovsky6d5786a2012-06-20 11:21:16 +0400537extern int CIFSSMBGetCIFSACL(const unsigned int xid, struct cifs_tcon *tcon,
Steve French630f3f0c2007-10-25 21:17:17 +0000538 __u16 fid, struct cifs_ntsd **acl_inf, __u32 *buflen);
Pavel Shilovsky6d5786a2012-06-20 11:21:16 +0400539extern int CIFSSMBSetCIFSACL(const unsigned int, struct cifs_tcon *, __u16,
Shirish Pargaonkara5ff3762011-10-13 10:26:03 -0500540 struct cifs_ntsd *, __u32, int);
Pavel Shilovsky6d5786a2012-06-20 11:21:16 +0400541extern int CIFSSMBGetPosixACL(const unsigned int xid, struct cifs_tcon *tcon,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700542 const unsigned char *searchName,
Steve Frenchd38d8c72007-06-28 19:44:13 +0000543 char *acl_inf, const int buflen, const int acl_type,
Steve French737b7582005-04-28 22:41:06 -0700544 const struct nls_table *nls_codepage, int remap_special_chars);
Pavel Shilovsky6d5786a2012-06-20 11:21:16 +0400545extern int CIFSSMBSetPosixACL(const unsigned int xid, struct cifs_tcon *tcon,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700546 const unsigned char *fileName,
547 const char *local_acl, const int buflen, const int acl_type,
Steve French737b7582005-04-28 22:41:06 -0700548 const struct nls_table *nls_codepage, int remap_special_chars);
Pavel Shilovsky6d5786a2012-06-20 11:21:16 +0400549extern int CIFSGetExtAttr(const unsigned int xid, struct cifs_tcon *tcon,
Steve French8840dee2007-11-16 23:05:52 +0000550 const int netfid, __u64 *pExtAttrBits, __u64 *pMask);
Jeff Laytonec06aed2009-11-06 14:18:29 -0500551extern void cifs_autodisable_serverino(struct cifs_sb_info *cifs_sb);
Sachin Prabhucb084b12013-11-25 17:09:50 +0000552extern bool couldbe_mf_symlink(const struct cifs_fattr *fattr);
553extern int check_mf_symlink(unsigned int xid, struct cifs_tcon *tcon,
Sachin Prabhu750b8de2013-11-25 17:09:48 +0000554 struct cifs_sb_info *cifs_sb,
555 struct cifs_fattr *fattr,
556 const unsigned char *path);
Shirish Pargaonkar9ef59922011-10-20 13:21:59 -0500557extern int E_md4hash(const unsigned char *passwd, unsigned char *p16,
558 const struct nls_table *codepage);
Paulo Alcantara (SUSE)50720102019-03-19 16:54:29 -0300559
560extern int
Ronnie Sahlberg0d4873f2021-01-28 21:35:10 -0600561cifs_setup_volume_info(struct smb3_fs_context *ctx, const char *mntopts, const char *devname);
Jeff Laytonc28c89f2011-05-19 16:22:56 -0400562
Paulo Alcantara54be1f62018-11-14 16:01:21 -0200563extern struct TCP_Server_Info *
Ronnie Sahlberg3fa1c6d2020-12-09 23:07:12 -0600564cifs_find_tcp_session(struct smb3_fs_context *ctx);
Paulo Alcantara54be1f62018-11-14 16:01:21 -0200565
Paulo Alcantara (SUSE)50720102019-03-19 16:54:29 -0300566extern void cifs_put_smb_ses(struct cifs_ses *ses);
567
568extern struct cifs_ses *
Ronnie Sahlberg3fa1c6d2020-12-09 23:07:12 -0600569cifs_get_smb_ses(struct TCP_Server_Info *server, struct smb3_fs_context *ctx);
Paulo Alcantara (SUSE)50720102019-03-19 16:54:29 -0300570
Jeff Layton6993f742012-05-16 07:13:17 -0400571void cifs_readdata_release(struct kref *refcount);
Jeff Laytone28bc5b2011-10-19 15:30:07 -0400572int cifs_async_readv(struct cifs_readdata *rdata);
Pavel Shilovsky09a47072012-09-18 16:20:29 -0700573int cifs_readv_receive(struct TCP_Server_Info *server, struct mid_q_entry *mid);
Jeff Laytone28bc5b2011-10-19 15:30:07 -0400574
Steve French4a5c80d2014-02-07 20:45:12 -0600575int cifs_async_writev(struct cifs_writedata *wdata,
576 void (*release)(struct kref *kref));
Jeff Laytonc2e87642012-03-23 14:40:55 -0400577void cifs_writev_complete(struct work_struct *work);
578struct cifs_writedata *cifs_writedata_alloc(unsigned int nr_pages,
579 work_func_t complete);
Long Li8e7360f2018-05-30 12:47:56 -0700580struct cifs_writedata *cifs_writedata_direct_alloc(struct page **pages,
581 work_func_t complete);
Jeff Laytonc28c89f2011-05-19 16:22:56 -0400582void cifs_writedata_release(struct kref *refcount);
Sachin Prabhub5be1a12013-11-25 17:09:49 +0000583int cifs_query_mf_symlink(unsigned int xid, struct cifs_tcon *tcon,
584 struct cifs_sb_info *cifs_sb,
585 const unsigned char *path, char *pbuf,
586 unsigned int *pbytes_read);
Sachin Prabhucbb0aba2013-11-25 17:09:52 +0000587int cifs_create_mf_symlink(unsigned int xid, struct cifs_tcon *tcon,
588 struct cifs_sb_info *cifs_sb,
589 const unsigned char *path, char *pbuf,
590 unsigned int *pbytes_written);
Ronnie Sahlbergc713c872018-06-12 08:00:58 +1000591int __cifs_calc_signature(struct smb_rqst *rqst,
Al Viro16c568e2015-11-12 22:46:49 -0500592 struct TCP_Server_Info *server, char *signature,
593 struct shash_desc *shash);
Sachin Prabhuef65aae2017-01-18 15:35:57 +0530594enum securityEnum cifs_select_sectype(struct TCP_Server_Info *,
595 enum securityEnum);
Pavel Shilovskyccf7f402017-04-25 11:52:29 -0700596struct cifs_aio_ctx *cifs_aio_ctx_alloc(void);
597void cifs_aio_ctx_release(struct kref *refcount);
598int setup_aio_ctx_iter(struct cifs_aio_ctx *ctx, struct iov_iter *iter, int rw);
Ronnie Sahlberga93864d2018-06-14 06:48:35 +1000599void smb2_cached_lease_break(struct work_struct *work);
Aurelien Aptel82fb82b2018-02-16 19:19:27 +0100600
601int cifs_alloc_hash(const char *name, struct crypto_shash **shash,
602 struct sdesc **sdesc);
603void cifs_free_hash(struct crypto_shash **shash, struct sdesc **sdesc);
604
Long Li7b7f2bd2018-05-30 12:47:58 -0700605extern void rqst_page_get_length(struct smb_rqst *rqst, unsigned int page,
606 unsigned int *len, unsigned int *offset);
Aurelien Aptel2f589672020-04-24 16:55:31 +0200607struct cifs_chan *
608cifs_ses_find_chan(struct cifs_ses *ses, struct TCP_Server_Info *server);
Ronnie Sahlberg387ec582020-12-14 16:40:20 +1000609int cifs_try_adding_channels(struct cifs_sb_info *cifs_sb, struct cifs_ses *ses);
Aurelien Apteld70e9fa2019-09-20 06:31:10 +0200610bool is_server_using_iface(struct TCP_Server_Info *server,
611 struct cifs_server_iface *iface);
612bool is_ses_using_iface(struct cifs_ses *ses, struct cifs_server_iface *iface);
Paulo Alcantara8ae87bb2021-11-16 13:38:58 -0300613void cifs_ses_mark_for_reconnect(struct cifs_ses *ses);
Long Li7b7f2bd2018-05-30 12:47:58 -0700614
Shyam Prasad Nd1a931c2021-07-19 12:46:53 +0000615unsigned int
616cifs_ses_get_chan_index(struct cifs_ses *ses,
617 struct TCP_Server_Info *server);
618void
619cifs_chan_set_need_reconnect(struct cifs_ses *ses,
620 struct TCP_Server_Info *server);
621void
622cifs_chan_clear_need_reconnect(struct cifs_ses *ses,
623 struct TCP_Server_Info *server);
624bool
625cifs_chan_needs_reconnect(struct cifs_ses *ses,
626 struct TCP_Server_Info *server);
627
Paulo Alcantaraa3a53b72018-11-14 17:20:31 -0200628void extract_unc_hostname(const char *unc, const char **h, size_t *len);
Ronnie Sahlberg340625e2019-08-27 09:30:14 +1000629int copy_path_name(char *dst, const char *src);
Ronnie Sahlberg37478602020-01-08 13:08:06 +1000630int smb2_parse_query_directory(struct cifs_tcon *tcon, struct kvec *rsp_iov,
631 int resp_buftype,
632 struct cifs_search_info *srch_inf);
Paulo Alcantaraa3a53b72018-11-14 17:20:31 -0200633
Paulo Alcantara (SUSE)bacd7042020-02-20 19:49:34 -0300634struct super_block *cifs_get_tcp_super(struct TCP_Server_Info *server);
635void cifs_put_tcp_super(struct super_block *sb);
Paulo Alcantarac88f7dc2021-11-03 13:53:29 -0300636int cifs_update_super_prepath(struct cifs_sb_info *cifs_sb, char *prefix);
Samuel Cabreroa87e6722020-11-30 19:02:47 +0100637char *extract_hostname(const char *unc);
Samuel Cabreroe73a42e2020-11-30 19:02:48 +0100638char *extract_sharename(const char *unc);
Paulo Alcantara (SUSE)bacd7042020-02-20 19:49:34 -0300639
Paulo Alcantara1c780222018-11-14 16:24:03 -0200640#ifdef CONFIG_CIFS_DFS_UPCALL
641static inline int get_dfs_path(const unsigned int xid, struct cifs_ses *ses,
642 const char *old_path,
643 const struct nls_table *nls_codepage,
644 struct dfs_info3_param *referral, int remap)
645{
646 return dfs_cache_find(xid, ses, nls_codepage, remap, old_path,
647 referral, NULL);
648}
Paulo Alcantarae4af35f2020-05-19 15:38:28 -0300649
650int match_target_ip(struct TCP_Server_Info *server,
651 const char *share, size_t share_len,
652 bool *result);
Eugene Korenevskya2809d02022-01-14 22:53:40 +0300653
654int cifs_dfs_query_info_nonascii_quirk(const unsigned int xid,
655 struct cifs_tcon *tcon,
656 struct cifs_sb_info *cifs_sb,
657 const char *dfs_link_path);
Paulo Alcantara1c780222018-11-14 16:24:03 -0200658#endif
659
Amir Goldstein0f060932020-02-03 21:46:43 +0200660static inline int cifs_create_options(struct cifs_sb_info *cifs_sb, int options)
661{
Steve French87f93d82020-02-04 13:02:59 -0600662 if (cifs_sb && (backup_cred(cifs_sb)))
Amir Goldstein0f060932020-02-03 21:46:43 +0200663 return options | CREATE_OPEN_BACKUP_INTENT;
664 else
665 return options;
666}
667
Paulo Alcantarac88f7dc2021-11-03 13:53:29 -0300668struct super_block *cifs_get_tcon_super(struct cifs_tcon *tcon);
669void cifs_put_tcon_super(struct super_block *sb);
670
Linus Torvalds1da177e2005-04-16 15:20:36 -0700671#endif /* _CIFSPROTO_H */