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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * fs/cifs/cifsproto.h
3 *
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 *
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
Steve Frenchd38d8c72007-06-28 19:44:13 +000019 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Linus Torvalds1da177e2005-04-16 15:20:36 -070020 */
21#ifndef _CIFSPROTO_H
22#define _CIFSPROTO_H
23#include <linux/nls.h>
24
25struct statfs;
Steve French8af18972007-02-14 04:42:51 +000026struct smb_vol;
Linus Torvalds1da177e2005-04-16 15:20:36 -070027
28/*
29 *****************************************************************
30 * All Prototypes
31 *****************************************************************
32 */
33
34extern struct smb_hdr *cifs_buf_get(void);
35extern void cifs_buf_release(void *);
36extern struct smb_hdr *cifs_small_buf_get(void);
37extern void cifs_small_buf_release(void *);
Jeff Layton0496e022008-12-30 12:39:16 -050038extern int smb_send(struct TCP_Server_Info *, struct smb_hdr *,
39 unsigned int /* length */);
Linus Torvalds1da177e2005-04-16 15:20:36 -070040extern unsigned int _GetXid(void);
41extern void _FreeXid(unsigned int);
Joe Perchesb6b38f72010-04-21 03:50:45 +000042#define GetXid() \
43({ \
44 int __xid = (int)_GetXid(); \
45 cFYI(1, "CIFS VFS: in %s as Xid: %d with uid: %d", \
46 __func__, __xid, current_fsuid()); \
47 __xid; \
48})
49
50#define FreeXid(curr_xid) \
51do { \
52 _FreeXid(curr_xid); \
53 cFYI(1, "CIFS VFS: leaving %s (xid = %d) rc = %d", \
54 __func__, curr_xid, (int)rc); \
55} while (0)
Shirish Pargaonkar4d79dba2011-04-27 23:34:35 -050056extern int init_cifs_idmap(void);
57extern void exit_cifs_idmap(void);
58extern void cifs_destroy_idmaptrees(void);
Steve French7f573562005-08-30 11:32:14 -070059extern char *build_path_from_dentry(struct dentry *);
Steve Frenchf87d39d2011-05-27 03:50:55 +000060extern char *cifs_build_path_to_root(struct smb_vol *vol,
61 struct cifs_sb_info *cifs_sb,
Steve French96daf2b2011-05-27 04:34:02 +000062 struct cifs_tcon *tcon);
Linus Torvalds1da177e2005-04-16 15:20:36 -070063extern char *build_wildcard_path_from_dentry(struct dentry *direntry);
Steve Frenchc6c00912009-03-18 05:50:07 +000064extern char *cifs_compose_mount_options(const char *sb_mountdata,
65 const char *fullpath, const struct dfs_info3_param *ref,
66 char **devname);
Steve French99ee4db2007-02-27 05:35:17 +000067/* extern void renew_parental_timestamps(struct dentry *direntry);*/
Jeff Laytona6827c12011-01-11 07:24:21 -050068extern struct mid_q_entry *AllocMidQEntry(const struct smb_hdr *smb_buffer,
69 struct TCP_Server_Info *server);
Jeff Layton766fdbb2011-01-11 07:24:21 -050070extern void DeleteMidQEntry(struct mid_q_entry *midEntry);
Jeff Laytonfcc31cb2011-05-19 16:22:53 -040071extern int cifs_call_async(struct TCP_Server_Info *server, struct kvec *iov,
Jeff Layton44d22d82011-10-19 15:29:49 -040072 unsigned int nvec, mid_receive_t *receive,
73 mid_callback_t *callback, void *cbdata,
74 bool ignore_pend);
Steve French96daf2b2011-05-27 04:34:02 +000075extern int SendReceive(const unsigned int /* xid */ , struct cifs_ses *,
Linus Torvalds1da177e2005-04-16 15:20:36 -070076 struct smb_hdr * /* input */ ,
77 struct smb_hdr * /* out */ ,
78 int * /* bytes returned */ , const int long_op);
Steve French96daf2b2011-05-27 04:34:02 +000079extern int SendReceiveNoRsp(const unsigned int xid, struct cifs_ses *ses,
Pavel Shilovsky792af7b2012-03-23 14:28:02 -040080 char *in_buf, int flags);
Pavel Shilovsky082d0642012-05-17 12:18:21 +040081extern int cifs_setup_request(struct cifs_ses *, struct kvec *, unsigned int,
82 struct mid_q_entry **);
Jeff Layton2c8f9812011-05-19 16:22:52 -040083extern int cifs_check_receive(struct mid_q_entry *mid,
84 struct TCP_Server_Info *server, bool log_error);
Steve French96daf2b2011-05-27 04:34:02 +000085extern int SendReceive2(const unsigned int /* xid */ , struct cifs_ses *,
Steve Frenchd38d8c72007-06-28 19:44:13 +000086 struct kvec *, int /* nvec to send */,
Steve French133672e2007-11-13 22:41:37 +000087 int * /* type of buf returned */ , const int flags);
Steve Frenchad7a2922008-02-07 23:25:02 +000088extern int SendReceiveBlockingLock(const unsigned int xid,
Steve French96daf2b2011-05-27 04:34:02 +000089 struct cifs_tcon *ptcon,
Steve Frenchad7a2922008-02-07 23:25:02 +000090 struct smb_hdr *in_buf ,
91 struct smb_hdr *out_buf,
92 int *bytes_returned);
Pavel Shilovskyd4e48542012-03-23 14:28:02 -040093extern int checkSMB(char *buf, unsigned int length);
94extern bool is_valid_oplock_break(char *, struct TCP_Server_Info *);
Shirish Pargaonkar3d3ea8e2011-09-26 09:56:44 -050095extern bool backup_cred(struct cifs_sb_info *);
Steve French4b18f2a2008-04-29 00:06:05 +000096extern bool is_size_safe_to_change(struct cifsInodeInfo *, __u64 eof);
Pavel Shilovsky72432ff2011-01-24 14:16:35 -050097extern void cifs_update_eof(struct cifsInodeInfo *cifsi, loff_t offset,
98 unsigned int bytes_written);
Jeff Layton6508d902010-09-29 19:51:11 -040099extern struct cifsFileInfo *find_writable_file(struct cifsInodeInfo *, bool);
Jeff Layton6508d902010-09-29 19:51:11 -0400100extern struct cifsFileInfo *find_readable_file(struct cifsInodeInfo *, bool);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700101extern unsigned int smbCalcSize(struct smb_hdr *ptr);
102extern int decode_negTokenInit(unsigned char *security_blob, int length,
Jeff Layton26efa0b2010-04-24 07:57:49 -0400103 struct TCP_Server_Info *server);
David Howells67b76262010-07-22 18:33:01 +0100104extern int cifs_convert_address(struct sockaddr *dst, const char *src, int len);
Jeff Layton32670392010-09-03 12:00:50 -0400105extern int cifs_set_port(struct sockaddr *addr, const unsigned short int port);
David Howells67b76262010-07-22 18:33:01 +0100106extern int cifs_fill_sockaddr(struct sockaddr *dst, const char *src, int len,
Jeff Layton32670392010-09-03 12:00:50 -0400107 const unsigned short int port);
Pavel Shilovsky5ffef7b2012-03-23 14:28:03 -0400108extern int map_smb_to_linux_error(char *buf, bool logErr);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700109extern void header_assemble(struct smb_hdr *, char /* command */ ,
Steve French96daf2b2011-05-27 04:34:02 +0000110 const struct cifs_tcon *, int /* length of
Steve French1982c342005-08-17 12:38:22 -0700111 fixed section (word count) in two byte units */);
Steve French5815449d2006-02-14 01:36:20 +0000112extern int small_smb_init_no_tc(const int smb_cmd, const int wct,
Steve French96daf2b2011-05-27 04:34:02 +0000113 struct cifs_ses *ses,
Steve French50c2f752007-07-13 00:33:32 +0000114 void **request_buf);
Steve French96daf2b2011-05-27 04:34:02 +0000115extern int CIFS_SessSetup(unsigned int xid, struct cifs_ses *ses,
Steve French5815449d2006-02-14 01:36:20 +0000116 const struct nls_table *nls_cp);
Jeff Layton07119a42009-05-27 09:37:33 -0400117extern struct timespec cifs_NTtimeToUnix(__le64 utc_nanoseconds_since_1601);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700118extern u64 cifs_UnixTimeToNT(struct timespec);
Jeff Laytonc4a2c082009-05-27 09:37:33 -0400119extern struct timespec cnvrtDosUnixTm(__le16 le_date, __le16 le_time,
120 int offset);
Pavel Shilovskyc6723622010-11-03 10:58:57 +0300121extern void cifs_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock);
Steve French1bd5bbc2006-09-28 03:35:57 +0000122
Steve French7a16f192010-10-18 01:09:48 +0000123extern struct cifsFileInfo *cifs_new_fileinfo(__u16 fileHandle,
124 struct file *file, struct tcon_link *tlink,
125 __u32 oplock);
Steve French7fc8f4e2009-02-23 20:43:11 +0000126extern int cifs_posix_open(char *full_path, struct inode **pinode,
Steve Frenchfa588e02010-04-22 19:21:55 +0000127 struct super_block *sb,
Jeff Layton608712f2010-10-15 15:33:56 -0400128 int mode, unsigned int f_flags,
Steve Frenchfa588e02010-04-22 19:21:55 +0000129 __u32 *poplock, __u16 *pnetfid, int xid);
Jeff Layton4065c802010-05-17 07:18:58 -0400130void cifs_fill_uniqueid(struct super_block *sb, struct cifs_fattr *fattr);
Jeff Laytoncc0bad72009-06-25 00:56:52 -0400131extern void cifs_unix_basic_to_fattr(struct cifs_fattr *fattr,
132 FILE_UNIX_BASIC_INFO *info,
133 struct cifs_sb_info *cifs_sb);
134extern void cifs_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr);
Jeff Laytoncc0bad72009-06-25 00:56:52 -0400135extern struct inode *cifs_iget(struct super_block *sb,
136 struct cifs_fattr *fattr);
137
Jeff Laytonabab0952010-02-12 07:44:18 -0500138extern int cifs_get_file_info(struct file *filp);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700139extern int cifs_get_inode_info(struct inode **pinode,
Steve Frenchd38d8c72007-06-28 19:44:13 +0000140 const unsigned char *search_path,
Steve French582d21e2008-05-13 04:54:12 +0000141 FILE_ALL_INFO *pfile_info,
Steve French8b1327f2008-03-14 22:37:16 +0000142 struct super_block *sb, int xid, const __u16 *pfid);
Jeff Laytonabab0952010-02-12 07:44:18 -0500143extern int cifs_get_file_info_unix(struct file *filp);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700144extern int cifs_get_inode_info_unix(struct inode **pinode,
145 const unsigned char *search_path,
Steve Frenchd38d8c72007-06-28 19:44:13 +0000146 struct super_block *sb, int xid);
Shirish Pargaonkar987b21d2010-11-10 07:50:35 -0600147extern int cifs_acl_to_fattr(struct cifs_sb_info *cifs_sb,
Jeff Layton0b8f18e2009-07-09 01:46:37 -0400148 struct cifs_fattr *fattr, struct inode *inode,
149 const char *path, const __u16 *pfid);
Shirish Pargaonkara5ff3762011-10-13 10:26:03 -0500150extern int id_mode_to_cifs_acl(struct inode *inode, const char *path, __u64,
151 uid_t, gid_t);
Shirish Pargaonkarfbeba8b2010-11-27 11:37:54 -0600152extern struct cifs_ntsd *get_cifs_acl(struct cifs_sb_info *, struct inode *,
153 const char *, u32 *);
Steve Frenchb73b9a42011-04-19 18:27:10 +0000154extern int set_cifs_acl(struct cifs_ntsd *, __u32, struct inode *,
Shirish Pargaonkara5ff3762011-10-13 10:26:03 -0500155 const char *, int);
Steve French953f8682007-10-31 04:54:42 +0000156
Jeff Laytone28bc5b2011-10-19 15:30:07 -0400157extern void dequeue_mid(struct mid_q_entry *mid, bool malformed);
158extern int cifs_read_from_socket(struct TCP_Server_Info *server, char *buf,
159 unsigned int to_read);
160extern int cifs_readv_from_socket(struct TCP_Server_Info *server,
161 struct kvec *iov_orig, unsigned int nr_segs,
162 unsigned int to_read);
Pavel Shilovsky724d9f12011-05-05 09:55:12 +0000163extern void cifs_setup_cifs_sb(struct smb_vol *pvolume_info,
164 struct cifs_sb_info *cifs_sb);
165extern int cifs_match_super(struct super_block *, void *);
Jeff Laytonf9e59bc2011-07-06 08:10:37 -0400166extern void cifs_cleanup_volume_info(struct smb_vol *pvolume_info);
Jeff Layton04db79b2011-07-06 08:10:38 -0400167extern struct smb_vol *cifs_get_volume_info(char *mount_data,
168 const char *devname);
Al Viro2c6292a2011-06-17 09:05:48 -0400169extern int cifs_mount(struct cifs_sb_info *, struct smb_vol *);
Al Viro2a9b9952011-06-17 09:27:16 -0400170extern void cifs_umount(struct cifs_sb_info *);
Jeff Layton815465c2012-03-21 06:27:54 -0400171
172#if IS_ENABLED(CONFIG_CIFS_DFS_UPCALL)
Igor Mammedov78d31a32008-04-24 12:56:07 +0400173extern void cifs_dfs_release_automount_timer(void);
Jeff Layton815465c2012-03-21 06:27:54 -0400174#else /* ! IS_ENABLED(CONFIG_CIFS_DFS_UPCALL) */
175#define cifs_dfs_release_automount_timer() do { } while (0)
176#endif /* ! IS_ENABLED(CONFIG_CIFS_DFS_UPCALL) */
177
Linus Torvalds1da177e2005-04-16 15:20:36 -0700178void cifs_proc_init(void);
179void cifs_proc_clean(void);
180
Jeff Layton198b5682010-04-24 07:57:48 -0400181extern int cifs_negotiate_protocol(unsigned int xid,
Steve French96daf2b2011-05-27 04:34:02 +0000182 struct cifs_ses *ses);
183extern int cifs_setup_session(unsigned int xid, struct cifs_ses *ses,
Steve Frenchd38d8c72007-06-28 19:44:13 +0000184 struct nls_table *nls_info);
Steve French96daf2b2011-05-27 04:34:02 +0000185extern int CIFSSMBNegotiate(unsigned int xid, struct cifs_ses *ses);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700186
Steve French96daf2b2011-05-27 04:34:02 +0000187extern int CIFSTCon(unsigned int xid, struct cifs_ses *ses,
188 const char *tree, struct cifs_tcon *tcon,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700189 const struct nls_table *);
190
Steve French96daf2b2011-05-27 04:34:02 +0000191extern int CIFSFindFirst(const int xid, struct cifs_tcon *tcon,
Steve Frenchec637e32005-12-12 20:53:18 -0800192 const char *searchName, const struct nls_table *nls_codepage,
Shirish Pargaonkar2608bee2012-05-15 10:19:16 -0500193 __u16 *searchHandle, __u16 search_flags,
194 struct cifs_search_info *psrch_inf,
Steve Frenchec637e32005-12-12 20:53:18 -0800195 int map, const char dirsep);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700196
Steve French96daf2b2011-05-27 04:34:02 +0000197extern int CIFSFindNext(const int xid, struct cifs_tcon *tcon,
Shirish Pargaonkar2608bee2012-05-15 10:19:16 -0500198 __u16 searchHandle, __u16 search_flags,
199 struct cifs_search_info *psrch_inf);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700200
Steve French96daf2b2011-05-27 04:34:02 +0000201extern int CIFSFindClose(const int, struct cifs_tcon *tcon,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700202 const __u16 search_handle);
203
Steve French96daf2b2011-05-27 04:34:02 +0000204extern int CIFSSMBQFileInfo(const int xid, struct cifs_tcon *tcon,
Jeff Laytonbcd53572010-02-12 07:44:16 -0500205 u16 netfid, FILE_ALL_INFO *pFindData);
Steve French96daf2b2011-05-27 04:34:02 +0000206extern int CIFSSMBQPathInfo(const int xid, struct cifs_tcon *tcon,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700207 const unsigned char *searchName,
Steve French582d21e2008-05-13 04:54:12 +0000208 FILE_ALL_INFO *findData,
Steve Frenchacf1a1b2006-10-12 03:28:28 +0000209 int legacy /* whether to use old info level */,
Steve French737b7582005-04-28 22:41:06 -0700210 const struct nls_table *nls_codepage, int remap);
Steve French96daf2b2011-05-27 04:34:02 +0000211extern int SMBQueryInformation(const int xid, struct cifs_tcon *tcon,
Steve Frenchd38d8c72007-06-28 19:44:13 +0000212 const unsigned char *searchName,
213 FILE_ALL_INFO *findData,
214 const struct nls_table *nls_codepage, int remap);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700215
Steve French96daf2b2011-05-27 04:34:02 +0000216extern int CIFSSMBUnixQFileInfo(const int xid, struct cifs_tcon *tcon,
Jeff Laytonc8634fd2010-02-12 07:44:17 -0500217 u16 netfid, FILE_UNIX_BASIC_INFO *pFindData);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700218extern int CIFSSMBUnixQPathInfo(const int xid,
Steve French96daf2b2011-05-27 04:34:02 +0000219 struct cifs_tcon *tcon,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700220 const unsigned char *searchName,
Steve French582d21e2008-05-13 04:54:12 +0000221 FILE_UNIX_BASIC_INFO *pFindData,
Steve French737b7582005-04-28 22:41:06 -0700222 const struct nls_table *nls_codepage, int remap);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700223
Steve French96daf2b2011-05-27 04:34:02 +0000224extern int CIFSGetDFSRefer(const int xid, struct cifs_ses *ses,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700225 const unsigned char *searchName,
Steve Frenchc2cf07d2008-05-15 06:20:02 +0000226 struct dfs_info3_param **target_nodes,
227 unsigned int *number_of_nodes_in_array,
Steve French737b7582005-04-28 22:41:06 -0700228 const struct nls_table *nls_codepage, int remap);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700229
Steve French96daf2b2011-05-27 04:34:02 +0000230extern int get_dfs_path(int xid, struct cifs_ses *pSesInfo,
Steve Frenchd38d8c72007-06-28 19:44:13 +0000231 const char *old_path,
Steve French737b7582005-04-28 22:41:06 -0700232 const struct nls_table *nls_codepage,
Steve Frenchd38d8c72007-06-28 19:44:13 +0000233 unsigned int *pnum_referrals,
Steve French366781c2008-01-25 10:12:41 +0000234 struct dfs_info3_param **preferrals,
Steve French737b7582005-04-28 22:41:06 -0700235 int remap);
Steve French96daf2b2011-05-27 04:34:02 +0000236extern void reset_cifs_unix_caps(int xid, struct cifs_tcon *tcon,
Al Viro2c6292a2011-06-17 09:05:48 -0400237 struct cifs_sb_info *cifs_sb,
238 struct smb_vol *vol);
Steve French96daf2b2011-05-27 04:34:02 +0000239extern int CIFSSMBQFSInfo(const int xid, struct cifs_tcon *tcon,
Steve French737b7582005-04-28 22:41:06 -0700240 struct kstatfs *FSData);
Steve French96daf2b2011-05-27 04:34:02 +0000241extern int SMBOldQFSInfo(const int xid, struct cifs_tcon *tcon,
Steve French20962432005-09-21 22:05:57 -0700242 struct kstatfs *FSData);
Steve French96daf2b2011-05-27 04:34:02 +0000243extern int CIFSSMBSetFSUnixInfo(const int xid, struct cifs_tcon *tcon,
Jeremy Allisonac670552005-06-22 17:26:35 -0700244 __u64 cap);
245
Linus Torvalds1da177e2005-04-16 15:20:36 -0700246extern int CIFSSMBQFSAttributeInfo(const int xid,
Steve French96daf2b2011-05-27 04:34:02 +0000247 struct cifs_tcon *tcon);
248extern int CIFSSMBQFSDeviceInfo(const int xid, struct cifs_tcon *tcon);
249extern int CIFSSMBQFSUnixInfo(const int xid, struct cifs_tcon *tcon);
250extern int CIFSSMBQFSPosixInfo(const int xid, struct cifs_tcon *tcon,
Steve French737b7582005-04-28 22:41:06 -0700251 struct kstatfs *FSData);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700252
Steve French96daf2b2011-05-27 04:34:02 +0000253extern int CIFSSMBSetPathInfo(const int xid, struct cifs_tcon *tcon,
Steve Frenchad7a2922008-02-07 23:25:02 +0000254 const char *fileName, const FILE_BASIC_INFO *data,
Steve French737b7582005-04-28 22:41:06 -0700255 const struct nls_table *nls_codepage,
256 int remap_special_chars);
Steve French96daf2b2011-05-27 04:34:02 +0000257extern int CIFSSMBSetFileInfo(const int xid, struct cifs_tcon *tcon,
Jeff Layton2dd2dfa2008-08-02 07:26:12 -0400258 const FILE_BASIC_INFO *data, __u16 fid,
259 __u32 pid_of_opener);
Steve French96daf2b2011-05-27 04:34:02 +0000260extern int CIFSSMBSetFileDisposition(const int xid, struct cifs_tcon *tcon,
Jeff Layton6d22f092008-09-23 11:48:35 -0400261 bool delete_file, __u16 fid, __u32 pid_of_opener);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700262#if 0
Steve French96daf2b2011-05-27 04:34:02 +0000263extern int CIFSSMBSetAttrLegacy(int xid, struct cifs_tcon *tcon,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700264 char *fileName, __u16 dos_attributes,
265 const struct nls_table *nls_codepage);
266#endif /* possibly unneeded function */
Steve French96daf2b2011-05-27 04:34:02 +0000267extern int CIFSSMBSetEOF(const int xid, struct cifs_tcon *tcon,
Steve French737b7582005-04-28 22:41:06 -0700268 const char *fileName, __u64 size,
Steve French4b18f2a2008-04-29 00:06:05 +0000269 bool setAllocationSizeFlag,
Steve French737b7582005-04-28 22:41:06 -0700270 const struct nls_table *nls_codepage,
271 int remap_special_chars);
Steve French96daf2b2011-05-27 04:34:02 +0000272extern int CIFSSMBSetFileSize(const int xid, struct cifs_tcon *tcon,
Steve Frenchd38d8c72007-06-28 19:44:13 +0000273 __u64 size, __u16 fileHandle, __u32 opener_pid,
Steve French4b18f2a2008-04-29 00:06:05 +0000274 bool AllocSizeFlag);
Jeff Layton4e1e7fb2008-08-02 07:26:12 -0400275
276struct cifs_unix_set_info_args {
277 __u64 ctime;
278 __u64 atime;
279 __u64 mtime;
280 __u64 mode;
281 __u64 uid;
282 __u64 gid;
283 dev_t device;
284};
285
Steve French96daf2b2011-05-27 04:34:02 +0000286extern int CIFSSMBUnixSetFileInfo(const int xid, struct cifs_tcon *tcon,
Jeff Layton3bbeeb32009-07-09 20:02:50 -0400287 const struct cifs_unix_set_info_args *args,
288 u16 fid, u32 pid_of_opener);
289
Steve French96daf2b2011-05-27 04:34:02 +0000290extern int CIFSSMBUnixSetPathInfo(const int xid, struct cifs_tcon *pTcon,
Jeff Layton4e1e7fb2008-08-02 07:26:12 -0400291 char *fileName,
292 const struct cifs_unix_set_info_args *args,
Steve French737b7582005-04-28 22:41:06 -0700293 const struct nls_table *nls_codepage,
294 int remap_special_chars);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700295
Steve French96daf2b2011-05-27 04:34:02 +0000296extern int CIFSSMBMkDir(const int xid, struct cifs_tcon *tcon,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700297 const char *newName,
Steve French737b7582005-04-28 22:41:06 -0700298 const struct nls_table *nls_codepage,
299 int remap_special_chars);
Steve French96daf2b2011-05-27 04:34:02 +0000300extern int CIFSSMBRmDir(const int xid, struct cifs_tcon *tcon,
Steve French737b7582005-04-28 22:41:06 -0700301 const char *name, const struct nls_table *nls_codepage,
302 int remap_special_chars);
Steve French96daf2b2011-05-27 04:34:02 +0000303extern int CIFSPOSIXDelFile(const int xid, struct cifs_tcon *tcon,
Steve French2d785a52007-07-15 01:48:57 +0000304 const char *name, __u16 type,
305 const struct nls_table *nls_codepage,
306 int remap_special_chars);
Steve French96daf2b2011-05-27 04:34:02 +0000307extern int CIFSSMBDelFile(const int xid, struct cifs_tcon *tcon,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700308 const char *name,
Steve French737b7582005-04-28 22:41:06 -0700309 const struct nls_table *nls_codepage,
310 int remap_special_chars);
Steve French96daf2b2011-05-27 04:34:02 +0000311extern int CIFSSMBRename(const int xid, struct cifs_tcon *tcon,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700312 const char *fromName, const char *toName,
Steve French737b7582005-04-28 22:41:06 -0700313 const struct nls_table *nls_codepage,
314 int remap_special_chars);
Steve French96daf2b2011-05-27 04:34:02 +0000315extern int CIFSSMBRenameOpenFile(const int xid, struct cifs_tcon *pTcon,
Jeff Layton391e5752008-09-24 11:32:59 -0400316 int netfid, const char *target_name,
Steve French737b7582005-04-28 22:41:06 -0700317 const struct nls_table *nls_codepage,
318 int remap_special_chars);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700319extern int CIFSCreateHardLink(const int xid,
Steve French96daf2b2011-05-27 04:34:02 +0000320 struct cifs_tcon *tcon,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700321 const char *fromName, const char *toName,
Steve French737b7582005-04-28 22:41:06 -0700322 const struct nls_table *nls_codepage,
323 int remap_special_chars);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700324extern int CIFSUnixCreateHardLink(const int xid,
Steve French96daf2b2011-05-27 04:34:02 +0000325 struct cifs_tcon *tcon,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700326 const char *fromName, const char *toName,
Steve Frenchd38d8c72007-06-28 19:44:13 +0000327 const struct nls_table *nls_codepage,
Steve French737b7582005-04-28 22:41:06 -0700328 int remap_special_chars);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700329extern int CIFSUnixCreateSymLink(const int xid,
Steve French96daf2b2011-05-27 04:34:02 +0000330 struct cifs_tcon *tcon,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700331 const char *fromName, const char *toName,
332 const struct nls_table *nls_codepage);
333extern int CIFSSMBUnixQuerySymLink(const int xid,
Steve French96daf2b2011-05-27 04:34:02 +0000334 struct cifs_tcon *tcon,
Jeff Layton460b9692009-04-30 07:17:56 -0400335 const unsigned char *searchName, char **syminfo,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700336 const struct nls_table *nls_codepage);
Steve Frenchc52a9552011-02-24 06:16:22 +0000337#ifdef CONFIG_CIFS_SYMLINK_EXPERIMENTAL
Steve Frenchd38d8c72007-06-28 19:44:13 +0000338extern int CIFSSMBQueryReparseLinkInfo(const int xid,
Steve French96daf2b2011-05-27 04:34:02 +0000339 struct cifs_tcon *tcon,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700340 const unsigned char *searchName,
341 char *symlinkinfo, const int buflen, __u16 fid,
342 const struct nls_table *nls_codepage);
Steve Frenchc52a9552011-02-24 06:16:22 +0000343#endif /* temporarily unused until cifs_symlink fixed */
Steve French96daf2b2011-05-27 04:34:02 +0000344extern int CIFSSMBOpen(const int xid, struct cifs_tcon *tcon,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700345 const char *fileName, const int disposition,
346 const int access_flags, const int omode,
Steve French8840dee2007-11-16 23:05:52 +0000347 __u16 *netfid, int *pOplock, FILE_ALL_INFO *,
Steve French737b7582005-04-28 22:41:06 -0700348 const struct nls_table *nls_codepage, int remap);
Steve French96daf2b2011-05-27 04:34:02 +0000349extern int SMBLegacyOpen(const int xid, struct cifs_tcon *tcon,
Steve Frencha9d02ad2005-08-24 23:06:05 -0700350 const char *fileName, const int disposition,
351 const int access_flags, const int omode,
Steve French8840dee2007-11-16 23:05:52 +0000352 __u16 *netfid, int *pOplock, FILE_ALL_INFO *,
Steve Frencha9d02ad2005-08-24 23:06:05 -0700353 const struct nls_table *nls_codepage, int remap);
Steve French96daf2b2011-05-27 04:34:02 +0000354extern int CIFSPOSIXCreate(const int xid, struct cifs_tcon *tcon,
Steve French8840dee2007-11-16 23:05:52 +0000355 u32 posix_flags, __u64 mode, __u16 *netfid,
Steve French2dd29d32007-04-23 22:07:35 +0000356 FILE_UNIX_BASIC_INFO *pRetData,
357 __u32 *pOplock, const char *name,
Steve Frenchd38d8c72007-06-28 19:44:13 +0000358 const struct nls_table *nls_codepage, int remap);
Steve French96daf2b2011-05-27 04:34:02 +0000359extern int CIFSSMBClose(const int xid, struct cifs_tcon *tcon,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700360 const int smb_file_id);
361
Steve French96daf2b2011-05-27 04:34:02 +0000362extern int CIFSSMBFlush(const int xid, struct cifs_tcon *tcon,
Steve Frenchb298f222009-02-21 21:17:43 +0000363 const int smb_file_id);
364
Pavel Shilovskyd4ffff12011-05-26 06:02:00 +0000365extern int CIFSSMBRead(const int xid, struct cifs_io_parms *io_parms,
366 unsigned int *nbytes, char **buf,
Steve Frenchd38d8c72007-06-28 19:44:13 +0000367 int *return_buf_type);
Pavel Shilovskyfa2989f2011-05-26 10:01:59 +0400368extern int CIFSSMBWrite(const int xid, struct cifs_io_parms *io_parms,
369 unsigned int *nbytes, const char *buf,
370 const char __user *ubuf, const int long_op);
371extern int CIFSSMBWrite2(const int xid, struct cifs_io_parms *io_parms,
372 unsigned int *nbytes, struct kvec *iov, const int nvec,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700373 const int long_op);
Steve French96daf2b2011-05-27 04:34:02 +0000374extern int CIFSGetSrvInodeNumber(const int xid, struct cifs_tcon *tcon,
Steve French8840dee2007-11-16 23:05:52 +0000375 const unsigned char *searchName, __u64 *inode_number,
Steve Frenchd38d8c72007-06-28 19:44:13 +0000376 const struct nls_table *nls_codepage,
Steve French737b7582005-04-28 22:41:06 -0700377 int remap_special_chars);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700378
Pavel Shilovsky9ee305b2011-10-22 15:33:31 +0400379extern int cifs_lockv(const int xid, struct cifs_tcon *tcon, const __u16 netfid,
380 const __u8 lock_type, const __u32 num_unlock,
381 const __u32 num_lock, LOCKING_ANDX_RANGE *buf);
Steve French96daf2b2011-05-27 04:34:02 +0000382extern int CIFSSMBLock(const int xid, struct cifs_tcon *tcon,
Pavel Shilovsky03776f42010-08-17 11:26:00 +0400383 const __u16 netfid, const __u32 netpid, const __u64 len,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700384 const __u64 offset, const __u32 numUnlock,
385 const __u32 numLock, const __u8 lockType,
Pavel Shilovsky12fed002011-01-17 20:15:44 +0300386 const bool waitFlag, const __u8 oplock_level);
Steve French96daf2b2011-05-27 04:34:02 +0000387extern int CIFSSMBPosixLock(const int xid, struct cifs_tcon *tcon,
Pavel Shilovsky4f6bcec2011-10-22 15:33:30 +0400388 const __u16 smb_file_id, const __u32 netpid,
389 const int get_flag, const __u64 len, struct file_lock *,
Steve French4b18f2a2008-04-29 00:06:05 +0000390 const __u16 lock_type, const bool waitFlag);
Steve French96daf2b2011-05-27 04:34:02 +0000391extern int CIFSSMBTDis(const int xid, struct cifs_tcon *tcon);
Jeff Layton766fdbb2011-01-11 07:24:21 -0500392extern int CIFSSMBEcho(struct TCP_Server_Info *server);
Steve French96daf2b2011-05-27 04:34:02 +0000393extern int CIFSSMBLogoff(const int xid, struct cifs_ses *ses);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700394
Steve French96daf2b2011-05-27 04:34:02 +0000395extern struct cifs_ses *sesInfoAlloc(void);
396extern void sesInfoFree(struct cifs_ses *);
397extern struct cifs_tcon *tconInfoAlloc(void);
398extern void tconInfoFree(struct cifs_tcon *);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700399
Steve Frenchd38d8c72007-06-28 19:44:13 +0000400extern int cifs_sign_smb(struct smb_hdr *, struct TCP_Server_Info *, __u32 *);
Steve French84afc292005-12-02 13:32:45 -0800401extern int cifs_sign_smb2(struct kvec *iov, int n_vec, struct TCP_Server_Info *,
402 __u32 *);
Jeff Layton826a95e2011-10-11 06:41:32 -0400403extern int cifs_verify_signature(struct kvec *iov, unsigned int nr_iov,
Shirish Pargaonkar21e73392010-10-21 06:42:55 -0500404 struct TCP_Server_Info *server,
Steve Frenchb609f062007-07-09 07:55:14 +0000405 __u32 expected_sequence_number);
Shirish Pargaonkar9ef59922011-10-20 13:21:59 -0500406extern int SMBNTencrypt(unsigned char *, unsigned char *, unsigned char *,
407 const struct nls_table *);
408extern int setup_ntlm_response(struct cifs_ses *, const struct nls_table *);
Steve French96daf2b2011-05-27 04:34:02 +0000409extern int setup_ntlmv2_rsp(struct cifs_ses *, const struct nls_table *);
Shirish Pargaonkard2b91522010-10-21 14:25:08 -0500410extern int cifs_crypto_shash_allocate(struct TCP_Server_Info *);
411extern void cifs_crypto_shash_release(struct TCP_Server_Info *);
Steve French96daf2b2011-05-27 04:34:02 +0000412extern int calc_seckey(struct cifs_ses *);
Shirish Pargaonkard2b91522010-10-21 14:25:08 -0500413
Steve French7c7b25b2006-06-01 19:20:10 +0000414#ifdef CONFIG_CIFS_WEAK_PW_HASH
Steve French43988d72011-04-19 18:23:31 +0000415extern int calc_lanman_hash(const char *password, const char *cryptkey,
Jeff Layton4e53a3f2008-12-05 20:41:21 -0500416 bool encrypt, char *lnm_session_key);
Steve French7c7b25b2006-06-01 19:20:10 +0000417#endif /* CIFS_WEAK_PW_HASH */
Steve French0eff0e22011-02-24 05:39:23 +0000418#ifdef CONFIG_CIFS_DNOTIFY_EXPERIMENTAL /* unused temporarily */
Steve French96daf2b2011-05-27 04:34:02 +0000419extern int CIFSSMBNotify(const int xid, struct cifs_tcon *tcon,
Steve French0eff0e22011-02-24 05:39:23 +0000420 const int notify_subdirs, const __u16 netfid,
421 __u32 filter, struct file *file, int multishot,
422 const struct nls_table *nls_codepage);
423#endif /* was needed for dnotify, and will be needed for inotify when VFS fix */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700424extern int CIFSSMBCopy(int xid,
Steve French96daf2b2011-05-27 04:34:02 +0000425 struct cifs_tcon *source_tcon,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700426 const char *fromName,
427 const __u16 target_tid,
428 const char *toName, const int flags,
Steve French50c2f752007-07-13 00:33:32 +0000429 const struct nls_table *nls_codepage,
Steve French737b7582005-04-28 22:41:06 -0700430 int remap_special_chars);
Steve French96daf2b2011-05-27 04:34:02 +0000431extern ssize_t CIFSSMBQAllEAs(const int xid, struct cifs_tcon *tcon,
Jeff Layton31c05192010-02-10 16:18:26 -0500432 const unsigned char *searchName,
433 const unsigned char *ea_name, char *EAData,
Steve French737b7582005-04-28 22:41:06 -0700434 size_t bufsize, const struct nls_table *nls_codepage,
435 int remap_special_chars);
Steve French96daf2b2011-05-27 04:34:02 +0000436extern int CIFSSMBSetEA(const int xid, struct cifs_tcon *tcon,
Steve Frenchd38d8c72007-06-28 19:44:13 +0000437 const char *fileName, const char *ea_name,
438 const void *ea_value, const __u16 ea_value_len,
Steve French737b7582005-04-28 22:41:06 -0700439 const struct nls_table *nls_codepage, int remap_special_chars);
Steve French96daf2b2011-05-27 04:34:02 +0000440extern int CIFSSMBGetCIFSACL(const int xid, struct cifs_tcon *tcon,
Steve French630f3f0c2007-10-25 21:17:17 +0000441 __u16 fid, struct cifs_ntsd **acl_inf, __u32 *buflen);
Steve French96daf2b2011-05-27 04:34:02 +0000442extern int CIFSSMBSetCIFSACL(const int, struct cifs_tcon *, __u16,
Shirish Pargaonkara5ff3762011-10-13 10:26:03 -0500443 struct cifs_ntsd *, __u32, int);
Steve French96daf2b2011-05-27 04:34:02 +0000444extern int CIFSSMBGetPosixACL(const int xid, struct cifs_tcon *tcon,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700445 const unsigned char *searchName,
Steve Frenchd38d8c72007-06-28 19:44:13 +0000446 char *acl_inf, const int buflen, const int acl_type,
Steve French737b7582005-04-28 22:41:06 -0700447 const struct nls_table *nls_codepage, int remap_special_chars);
Steve French96daf2b2011-05-27 04:34:02 +0000448extern int CIFSSMBSetPosixACL(const int xid, struct cifs_tcon *tcon,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700449 const unsigned char *fileName,
450 const char *local_acl, const int buflen, const int acl_type,
Steve French737b7582005-04-28 22:41:06 -0700451 const struct nls_table *nls_codepage, int remap_special_chars);
Steve French96daf2b2011-05-27 04:34:02 +0000452extern int CIFSGetExtAttr(const int xid, struct cifs_tcon *tcon,
Steve French8840dee2007-11-16 23:05:52 +0000453 const int netfid, __u64 *pExtAttrBits, __u64 *pMask);
Jeff Laytonec06aed2009-11-06 14:18:29 -0500454extern void cifs_autodisable_serverino(struct cifs_sb_info *cifs_sb);
Stefan Metzmacher8bfb50a2010-07-31 09:15:10 +0200455extern bool CIFSCouldBeMFSymlink(const struct cifs_fattr *fattr);
456extern int CIFSCheckMFSymlink(struct cifs_fattr *fattr,
457 const unsigned char *path,
458 struct cifs_sb_info *cifs_sb, int xid);
Shirish Pargaonkaree2c9252011-01-27 09:58:04 -0600459extern int mdfour(unsigned char *, unsigned char *, int);
Shirish Pargaonkar9ef59922011-10-20 13:21:59 -0500460extern int E_md4hash(const unsigned char *passwd, unsigned char *p16,
461 const struct nls_table *codepage);
Steve French43988d72011-04-19 18:23:31 +0000462extern int SMBencrypt(unsigned char *passwd, const unsigned char *c8,
Shirish Pargaonkaree2c9252011-01-27 09:58:04 -0600463 unsigned char *p24);
Jeff Laytonc28c89f2011-05-19 16:22:56 -0400464
Jeff Laytone28bc5b2011-10-19 15:30:07 -0400465/* asynchronous read support */
466struct cifs_readdata {
Jeff Layton6993f742012-05-16 07:13:17 -0400467 struct kref refcount;
Jeff Layton1c892542012-05-16 07:13:17 -0400468 struct list_head list;
469 struct completion done;
Jeff Laytone28bc5b2011-10-19 15:30:07 -0400470 struct cifsFileInfo *cfile;
471 struct address_space *mapping;
472 __u64 offset;
473 unsigned int bytes;
474 pid_t pid;
475 int result;
476 struct list_head pages;
477 struct work_struct work;
Jeff Layton8d5ce4d2012-05-16 07:13:16 -0400478 int (*marshal_iov) (struct cifs_readdata *rdata,
479 unsigned int remaining);
Jeff Laytone28bc5b2011-10-19 15:30:07 -0400480 unsigned int nr_iov;
481 struct kvec iov[1];
482};
483
Jeff Layton6993f742012-05-16 07:13:17 -0400484void cifs_readdata_release(struct kref *refcount);
Jeff Laytone28bc5b2011-10-19 15:30:07 -0400485int cifs_async_readv(struct cifs_readdata *rdata);
486
Jeff Laytonc28c89f2011-05-19 16:22:56 -0400487/* asynchronous write support */
488struct cifs_writedata {
489 struct kref refcount;
Jeff Laytonda82f7e2012-03-23 14:40:56 -0400490 struct list_head list;
491 struct completion done;
Jeff Laytonc28c89f2011-05-19 16:22:56 -0400492 enum writeback_sync_modes sync_mode;
493 struct work_struct work;
494 struct cifsFileInfo *cfile;
495 __u64 offset;
Jeff Laytonfe5f5d22012-03-23 14:40:55 -0400496 pid_t pid;
Jeff Laytonc28c89f2011-05-19 16:22:56 -0400497 unsigned int bytes;
498 int result;
Jeff Laytone9492872012-03-23 14:40:56 -0400499 void (*marshal_iov) (struct kvec *iov,
500 struct cifs_writedata *wdata);
Jeff Laytonc28c89f2011-05-19 16:22:56 -0400501 unsigned int nr_pages;
502 struct page *pages[1];
503};
504
505int cifs_async_writev(struct cifs_writedata *wdata);
Jeff Laytonc2e87642012-03-23 14:40:55 -0400506void cifs_writev_complete(struct work_struct *work);
507struct cifs_writedata *cifs_writedata_alloc(unsigned int nr_pages,
508 work_func_t complete);
Jeff Laytonc28c89f2011-05-19 16:22:56 -0400509void cifs_writedata_release(struct kref *refcount);
510
Linus Torvalds1da177e2005-04-16 15:20:36 -0700511#endif /* _CIFSPROTO_H */