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1 /*
2 * fs/cifs/smb2proto.h
3 *
4 * Copyright (c) International Business Machines Corp., 2002, 2011
5 * Etersoft, 2012
6 * Author(s): Steve French (sfrench@us.ibm.com)
7 * Pavel Shilovsky (pshilovsky@samba.org) 2012
8 *
9 * This library is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU Lesser General Public License as published
11 * by the Free Software Foundation; either version 2.1 of the License, or
12 * (at your option) any later version.
13 *
14 * This library is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
17 * the GNU Lesser General Public License for more details.
18 *
19 * You should have received a copy of the GNU Lesser General Public License
20 * along with this library; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 */
23 #ifndef _SMB2PROTO_H
24 #define _SMB2PROTO_H
25 #include <linux/nls.h>
26 #include <linux/key-type.h>
27
28 struct statfs;
29 struct smb_rqst;
30
31 /*
32 *****************************************************************
33 * All Prototypes
34 *****************************************************************
35 */
36 extern int map_smb2_to_linux_error(char *buf, bool log_err);
37 extern int smb2_check_message(char *buf, unsigned int length,
38 struct TCP_Server_Info *server);
39 extern unsigned int smb2_calc_size(void *buf);
40 extern char *smb2_get_data_area_len(int *off, int *len, struct smb2_hdr *hdr);
41 extern __le16 *cifs_convert_path_to_utf16(const char *from,
42 struct cifs_sb_info *cifs_sb);
43
44 extern int smb2_verify_signature(struct smb_rqst *, struct TCP_Server_Info *);
45 extern int smb2_check_receive(struct mid_q_entry *mid,
46 struct TCP_Server_Info *server, bool log_error);
47 extern struct mid_q_entry *smb2_setup_request(struct cifs_ses *ses,
48 struct smb_rqst *rqst);
49 extern struct mid_q_entry *smb2_setup_async_request(
50 struct TCP_Server_Info *server, struct smb_rqst *rqst);
51 extern int smb2_calc_signature(struct smb_rqst *rqst,
52 struct TCP_Server_Info *server);
53 extern int smb3_calc_signature(struct smb_rqst *rqst,
54 struct TCP_Server_Info *server);
55 extern void smb2_echo_request(struct work_struct *work);
56 extern __le32 smb2_get_lease_state(struct cifsInodeInfo *cinode);
57 extern bool smb2_is_valid_oplock_break(char *buffer,
58 struct TCP_Server_Info *srv);
59
60 extern void move_smb2_info_to_cifs(FILE_ALL_INFO *dst,
61 struct smb2_file_all_info *src);
62 extern int smb2_query_path_info(const unsigned int xid, struct cifs_tcon *tcon,
63 struct cifs_sb_info *cifs_sb,
64 const char *full_path, FILE_ALL_INFO *data,
65 bool *adjust_tz, bool *symlink);
66 extern int smb2_set_path_size(const unsigned int xid, struct cifs_tcon *tcon,
67 const char *full_path, __u64 size,
68 struct cifs_sb_info *cifs_sb, bool set_alloc);
69 extern int smb2_set_file_info(struct inode *inode, const char *full_path,
70 FILE_BASIC_INFO *buf, const unsigned int xid);
71 extern int smb2_mkdir(const unsigned int xid, struct cifs_tcon *tcon,
72 const char *name, struct cifs_sb_info *cifs_sb);
73 extern void smb2_mkdir_setinfo(struct inode *inode, const char *full_path,
74 struct cifs_sb_info *cifs_sb,
75 struct cifs_tcon *tcon, const unsigned int xid);
76 extern int smb2_rmdir(const unsigned int xid, struct cifs_tcon *tcon,
77 const char *name, struct cifs_sb_info *cifs_sb);
78 extern int smb2_unlink(const unsigned int xid, struct cifs_tcon *tcon,
79 const char *name, struct cifs_sb_info *cifs_sb);
80 extern int smb2_rename_path(const unsigned int xid, struct cifs_tcon *tcon,
81 const char *from_name, const char *to_name,
82 struct cifs_sb_info *cifs_sb);
83 extern int smb2_create_hardlink(const unsigned int xid, struct cifs_tcon *tcon,
84 const char *from_name, const char *to_name,
85 struct cifs_sb_info *cifs_sb);
86 extern int smb3_create_mf_symlink(unsigned int xid, struct cifs_tcon *tcon,
87 struct cifs_sb_info *cifs_sb, const unsigned char *path,
88 char *pbuf, unsigned int *pbytes_written);
89 extern int smb3_query_mf_symlink(unsigned int xid, struct cifs_tcon *tcon,
90 struct cifs_sb_info *cifs_sb,
91 const unsigned char *path, char *pbuf,
92 unsigned int *pbytes_read);
93 extern int smb2_open_file(const unsigned int xid,
94 struct cifs_open_parms *oparms,
95 __u32 *oplock, FILE_ALL_INFO *buf);
96 extern int smb2_unlock_range(struct cifsFileInfo *cfile,
97 struct file_lock *flock, const unsigned int xid);
98 extern int smb2_push_mandatory_locks(struct cifsFileInfo *cfile);
99
100 /*
101 * SMB2 Worker functions - most of protocol specific implementation details
102 * are contained within these calls.
103 */
104 extern int SMB2_negotiate(const unsigned int xid, struct cifs_ses *ses);
105 extern int SMB2_sess_setup(const unsigned int xid, struct cifs_ses *ses,
106 const struct nls_table *nls_cp);
107 extern int SMB2_logoff(const unsigned int xid, struct cifs_ses *ses);
108 extern int SMB2_tcon(const unsigned int xid, struct cifs_ses *ses,
109 const char *tree, struct cifs_tcon *tcon,
110 const struct nls_table *);
111 extern int SMB2_tdis(const unsigned int xid, struct cifs_tcon *tcon);
112 extern int SMB2_open(const unsigned int xid, struct cifs_open_parms *oparms,
113 __le16 *path, __u8 *oplock,
114 struct smb2_file_all_info *buf,
115 struct smb2_err_rsp **err_buf);
116 extern int SMB2_ioctl(const unsigned int xid, struct cifs_tcon *tcon,
117 u64 persistent_fid, u64 volatile_fid, u32 opcode,
118 bool is_fsctl, char *in_data, u32 indatalen,
119 char **out_data, u32 *plen /* returned data len */);
120 extern int SMB2_close(const unsigned int xid, struct cifs_tcon *tcon,
121 u64 persistent_file_id, u64 volatile_file_id);
122 extern int SMB2_flush(const unsigned int xid, struct cifs_tcon *tcon,
123 u64 persistent_file_id, u64 volatile_file_id);
124 extern int SMB2_query_info(const unsigned int xid, struct cifs_tcon *tcon,
125 u64 persistent_file_id, u64 volatile_file_id,
126 struct smb2_file_all_info *data);
127 extern int SMB2_get_srv_num(const unsigned int xid, struct cifs_tcon *tcon,
128 u64 persistent_fid, u64 volatile_fid,
129 __le64 *uniqueid);
130 extern int smb2_async_readv(struct cifs_readdata *rdata);
131 extern int SMB2_read(const unsigned int xid, struct cifs_io_parms *io_parms,
132 unsigned int *nbytes, char **buf, int *buf_type);
133 extern int smb2_async_writev(struct cifs_writedata *wdata,
134 void (*release)(struct kref *kref));
135 extern int SMB2_write(const unsigned int xid, struct cifs_io_parms *io_parms,
136 unsigned int *nbytes, struct kvec *iov, int n_vec);
137 extern int SMB2_echo(struct TCP_Server_Info *server);
138 extern int SMB2_query_directory(const unsigned int xid, struct cifs_tcon *tcon,
139 u64 persistent_fid, u64 volatile_fid, int index,
140 struct cifs_search_info *srch_inf);
141 extern int SMB2_rename(const unsigned int xid, struct cifs_tcon *tcon,
142 u64 persistent_fid, u64 volatile_fid,
143 __le16 *target_file);
144 extern int SMB2_rmdir(const unsigned int xid, struct cifs_tcon *tcon,
145 u64 persistent_fid, u64 volatile_fid);
146 extern int SMB2_set_hardlink(const unsigned int xid, struct cifs_tcon *tcon,
147 u64 persistent_fid, u64 volatile_fid,
148 __le16 *target_file);
149 extern int SMB2_set_eof(const unsigned int xid, struct cifs_tcon *tcon,
150 u64 persistent_fid, u64 volatile_fid, u32 pid,
151 __le64 *eof, bool is_fallocate);
152 extern int SMB2_set_info(const unsigned int xid, struct cifs_tcon *tcon,
153 u64 persistent_fid, u64 volatile_fid,
154 FILE_BASIC_INFO *buf);
155 extern int SMB2_set_compression(const unsigned int xid, struct cifs_tcon *tcon,
156 u64 persistent_fid, u64 volatile_fid);
157 extern int SMB2_oplock_break(const unsigned int xid, struct cifs_tcon *tcon,
158 const u64 persistent_fid, const u64 volatile_fid,
159 const __u8 oplock_level);
160 extern int SMB2_QFS_info(const unsigned int xid, struct cifs_tcon *tcon,
161 u64 persistent_file_id, u64 volatile_file_id,
162 struct kstatfs *FSData);
163 extern int SMB2_QFS_attr(const unsigned int xid, struct cifs_tcon *tcon,
164 u64 persistent_file_id, u64 volatile_file_id, int lvl);
165 extern int SMB2_lock(const unsigned int xid, struct cifs_tcon *tcon,
166 const __u64 persist_fid, const __u64 volatile_fid,
167 const __u32 pid, const __u64 length, const __u64 offset,
168 const __u32 lockFlags, const bool wait);
169 extern int smb2_lockv(const unsigned int xid, struct cifs_tcon *tcon,
170 const __u64 persist_fid, const __u64 volatile_fid,
171 const __u32 pid, const __u32 num_lock,
172 struct smb2_lock_element *buf);
173 extern int SMB2_lease_break(const unsigned int xid, struct cifs_tcon *tcon,
174 __u8 *lease_key, const __le32 lease_state);
175 extern int smb3_validate_negotiate(const unsigned int, struct cifs_tcon *);
176
177 #endif /* _SMB2PROTO_H */