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git.proxmox.com Git - mirror_ubuntu-focal-kernel.git/blob - fs/cifs/smb2proto.h
4 * Copyright (c) International Business Machines Corp., 2002, 2011
6 * Author(s): Steve French (sfrench@us.ibm.com)
7 * Pavel Shilovsky (pshilovsky@samba.org) 2012
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.
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.
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
25 #include <linux/nls.h>
26 #include <linux/key-type.h>
32 *****************************************************************
34 *****************************************************************
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
, struct TCP_Server_Info
*server
);
40 extern char *smb2_get_data_area_len(int *off
, int *len
,
41 struct smb2_sync_hdr
*shdr
);
42 extern __le16
*cifs_convert_path_to_utf16(const char *from
,
43 struct cifs_sb_info
*cifs_sb
);
45 extern int smb2_verify_signature(struct smb_rqst
*, struct TCP_Server_Info
*);
46 extern int smb2_check_receive(struct mid_q_entry
*mid
,
47 struct TCP_Server_Info
*server
, bool log_error
);
48 extern struct mid_q_entry
*smb2_setup_request(struct cifs_ses
*ses
,
49 struct smb_rqst
*rqst
);
50 extern struct mid_q_entry
*smb2_setup_async_request(
51 struct TCP_Server_Info
*server
, struct smb_rqst
*rqst
);
52 extern struct cifs_ses
*smb2_find_smb_ses(struct TCP_Server_Info
*server
,
54 extern struct cifs_tcon
*smb2_find_smb_tcon(struct TCP_Server_Info
*server
,
55 __u64 ses_id
, __u32 tid
);
56 extern int smb2_calc_signature(struct smb_rqst
*rqst
,
57 struct TCP_Server_Info
*server
);
58 extern int smb3_calc_signature(struct smb_rqst
*rqst
,
59 struct TCP_Server_Info
*server
);
60 extern void smb2_echo_request(struct work_struct
*work
);
61 extern __le32
smb2_get_lease_state(struct cifsInodeInfo
*cinode
);
62 extern bool smb2_is_valid_oplock_break(char *buffer
,
63 struct TCP_Server_Info
*srv
);
64 extern struct cifs_ses
*smb2_find_smb_ses(struct TCP_Server_Info
*server
,
66 extern int smb3_handle_read_data(struct TCP_Server_Info
*server
,
67 struct mid_q_entry
*mid
);
69 extern int open_shroot(unsigned int xid
, struct cifs_tcon
*tcon
,
70 struct cifs_fid
*pfid
);
71 extern void close_shroot(struct cached_fid
*cfid
);
72 extern void move_smb2_info_to_cifs(FILE_ALL_INFO
*dst
,
73 struct smb2_file_all_info
*src
);
74 extern int smb2_query_path_info(const unsigned int xid
, struct cifs_tcon
*tcon
,
75 struct cifs_sb_info
*cifs_sb
,
76 const char *full_path
, FILE_ALL_INFO
*data
,
77 bool *adjust_tz
, bool *symlink
);
78 extern int smb2_set_path_size(const unsigned int xid
, struct cifs_tcon
*tcon
,
79 const char *full_path
, __u64 size
,
80 struct cifs_sb_info
*cifs_sb
, bool set_alloc
);
81 extern int smb2_set_file_info(struct inode
*inode
, const char *full_path
,
82 FILE_BASIC_INFO
*buf
, const unsigned int xid
);
83 extern int smb311_posix_mkdir(const unsigned int xid
, struct inode
*inode
,
84 umode_t mode
, struct cifs_tcon
*tcon
,
85 const char *full_path
,
86 struct cifs_sb_info
*cifs_sb
);
87 extern int smb2_mkdir(const unsigned int xid
, struct inode
*inode
,
88 umode_t mode
, struct cifs_tcon
*tcon
,
89 const char *name
, struct cifs_sb_info
*cifs_sb
);
90 extern void smb2_mkdir_setinfo(struct inode
*inode
, const char *full_path
,
91 struct cifs_sb_info
*cifs_sb
,
92 struct cifs_tcon
*tcon
, const unsigned int xid
);
93 extern int smb2_rmdir(const unsigned int xid
, struct cifs_tcon
*tcon
,
94 const char *name
, struct cifs_sb_info
*cifs_sb
);
95 extern int smb2_unlink(const unsigned int xid
, struct cifs_tcon
*tcon
,
96 const char *name
, struct cifs_sb_info
*cifs_sb
);
97 extern int smb2_rename_path(const unsigned int xid
, struct cifs_tcon
*tcon
,
98 const char *from_name
, const char *to_name
,
99 struct cifs_sb_info
*cifs_sb
);
100 extern int smb2_create_hardlink(const unsigned int xid
, struct cifs_tcon
*tcon
,
101 const char *from_name
, const char *to_name
,
102 struct cifs_sb_info
*cifs_sb
);
103 extern int smb3_create_mf_symlink(unsigned int xid
, struct cifs_tcon
*tcon
,
104 struct cifs_sb_info
*cifs_sb
, const unsigned char *path
,
105 char *pbuf
, unsigned int *pbytes_written
);
106 extern int smb3_query_mf_symlink(unsigned int xid
, struct cifs_tcon
*tcon
,
107 struct cifs_sb_info
*cifs_sb
,
108 const unsigned char *path
, char *pbuf
,
109 unsigned int *pbytes_read
);
110 extern int smb2_open_file(const unsigned int xid
,
111 struct cifs_open_parms
*oparms
,
112 __u32
*oplock
, FILE_ALL_INFO
*buf
);
113 extern int smb2_unlock_range(struct cifsFileInfo
*cfile
,
114 struct file_lock
*flock
, const unsigned int xid
);
115 extern int smb2_push_mandatory_locks(struct cifsFileInfo
*cfile
);
116 extern void smb2_reconnect_server(struct work_struct
*work
);
117 extern int smb3_crypto_aead_allocate(struct TCP_Server_Info
*server
);
118 extern unsigned long smb_rqst_len(struct TCP_Server_Info
*server
,
119 struct smb_rqst
*rqst
);
120 extern void smb2_set_next_command(struct cifs_tcon
*tcon
,
121 struct smb_rqst
*rqst
);
122 extern void smb2_set_related(struct smb_rqst
*rqst
);
125 * SMB2 Worker functions - most of protocol specific implementation details
126 * are contained within these calls.
128 extern int SMB2_negotiate(const unsigned int xid
, struct cifs_ses
*ses
);
129 extern int SMB2_sess_setup(const unsigned int xid
, struct cifs_ses
*ses
,
130 const struct nls_table
*nls_cp
);
131 extern int SMB2_logoff(const unsigned int xid
, struct cifs_ses
*ses
);
132 extern int SMB2_tcon(const unsigned int xid
, struct cifs_ses
*ses
,
133 const char *tree
, struct cifs_tcon
*tcon
,
134 const struct nls_table
*);
135 extern int SMB2_tdis(const unsigned int xid
, struct cifs_tcon
*tcon
);
136 extern int SMB2_open(const unsigned int xid
, struct cifs_open_parms
*oparms
,
137 __le16
*path
, __u8
*oplock
,
138 struct smb2_file_all_info
*buf
,
139 struct kvec
*err_iov
, int *resp_buftype
);
140 extern int SMB2_open_init(struct cifs_tcon
*tcon
, struct smb_rqst
*rqst
,
141 __u8
*oplock
, struct cifs_open_parms
*oparms
,
143 extern void SMB2_open_free(struct smb_rqst
*rqst
);
144 extern int SMB2_ioctl(const unsigned int xid
, struct cifs_tcon
*tcon
,
145 u64 persistent_fid
, u64 volatile_fid
, u32 opcode
,
146 bool is_fsctl
, char *in_data
, u32 indatalen
, u32 maxoutlen
,
147 char **out_data
, u32
*plen
/* returned data len */);
148 extern int SMB2_ioctl_init(struct cifs_tcon
*tcon
, struct smb_rqst
*rqst
,
149 u64 persistent_fid
, u64 volatile_fid
, u32 opcode
,
150 bool is_fsctl
, char *in_data
, u32 indatalen
,
151 __u32 max_response_size
);
152 extern void SMB2_ioctl_free(struct smb_rqst
*rqst
);
153 extern int SMB2_change_notify(const unsigned int xid
, struct cifs_tcon
*tcon
,
154 u64 persistent_fid
, u64 volatile_fid
, bool watch_tree
,
155 u32 completion_filter
);
157 extern int SMB2_close(const unsigned int xid
, struct cifs_tcon
*tcon
,
158 u64 persistent_file_id
, u64 volatile_file_id
);
159 extern int SMB2_close_flags(const unsigned int xid
, struct cifs_tcon
*tcon
,
160 u64 persistent_fid
, u64 volatile_fid
, int flags
);
161 extern int SMB2_close_init(struct cifs_tcon
*tcon
, struct smb_rqst
*rqst
,
162 u64 persistent_file_id
, u64 volatile_file_id
);
163 extern void SMB2_close_free(struct smb_rqst
*rqst
);
164 extern int SMB2_flush(const unsigned int xid
, struct cifs_tcon
*tcon
,
165 u64 persistent_file_id
, u64 volatile_file_id
);
166 extern int SMB2_flush_init(const unsigned int xid
, struct smb_rqst
*rqst
,
167 struct cifs_tcon
*tcon
,
168 u64 persistent_file_id
, u64 volatile_file_id
);
169 extern void SMB2_flush_free(struct smb_rqst
*rqst
);
170 extern int SMB2_query_info(const unsigned int xid
, struct cifs_tcon
*tcon
,
171 u64 persistent_file_id
, u64 volatile_file_id
,
172 struct smb2_file_all_info
*data
);
173 extern int SMB2_query_info_init(struct cifs_tcon
*tcon
, struct smb_rqst
*rqst
,
174 u64 persistent_fid
, u64 volatile_fid
,
175 u8 info_class
, u8 info_type
,
176 u32 additional_info
, size_t output_len
,
177 size_t input_len
, void *input
);
178 extern void SMB2_query_info_free(struct smb_rqst
*rqst
);
179 extern int SMB2_query_acl(const unsigned int xid
, struct cifs_tcon
*tcon
,
180 u64 persistent_file_id
, u64 volatile_file_id
,
181 void **data
, unsigned int *plen
);
182 extern int SMB2_get_srv_num(const unsigned int xid
, struct cifs_tcon
*tcon
,
183 u64 persistent_fid
, u64 volatile_fid
,
185 extern int smb2_async_readv(struct cifs_readdata
*rdata
);
186 extern int SMB2_read(const unsigned int xid
, struct cifs_io_parms
*io_parms
,
187 unsigned int *nbytes
, char **buf
, int *buf_type
);
188 extern int smb2_async_writev(struct cifs_writedata
*wdata
,
189 void (*release
)(struct kref
*kref
));
190 extern int SMB2_write(const unsigned int xid
, struct cifs_io_parms
*io_parms
,
191 unsigned int *nbytes
, struct kvec
*iov
, int n_vec
);
192 extern int SMB2_echo(struct TCP_Server_Info
*server
);
193 extern int SMB2_query_directory(const unsigned int xid
, struct cifs_tcon
*tcon
,
194 u64 persistent_fid
, u64 volatile_fid
, int index
,
195 struct cifs_search_info
*srch_inf
);
196 extern int SMB2_set_eof(const unsigned int xid
, struct cifs_tcon
*tcon
,
197 u64 persistent_fid
, u64 volatile_fid
, u32 pid
,
199 extern int SMB2_set_info_init(struct cifs_tcon
*tcon
, struct smb_rqst
*rqst
,
200 u64 persistent_fid
, u64 volatile_fid
, u32 pid
,
201 u8 info_class
, u8 info_type
, u32 additional_info
,
202 void **data
, unsigned int *size
);
203 extern void SMB2_set_info_free(struct smb_rqst
*rqst
);
204 extern int SMB2_set_acl(const unsigned int xid
, struct cifs_tcon
*tcon
,
205 u64 persistent_fid
, u64 volatile_fid
,
206 struct cifs_ntsd
*pnntsd
, int pacllen
, int aclflag
);
207 extern int SMB2_set_ea(const unsigned int xid
, struct cifs_tcon
*tcon
,
208 u64 persistent_fid
, u64 volatile_fid
,
209 struct smb2_file_full_ea_info
*buf
, int len
);
210 extern int SMB2_set_compression(const unsigned int xid
, struct cifs_tcon
*tcon
,
211 u64 persistent_fid
, u64 volatile_fid
);
212 extern int SMB2_oplock_break(const unsigned int xid
, struct cifs_tcon
*tcon
,
213 const u64 persistent_fid
, const u64 volatile_fid
,
214 const __u8 oplock_level
);
215 extern int smb2_handle_cancelled_mid(char *buffer
,
216 struct TCP_Server_Info
*server
);
217 void smb2_cancelled_close_fid(struct work_struct
*work
);
218 extern int SMB2_QFS_info(const unsigned int xid
, struct cifs_tcon
*tcon
,
219 u64 persistent_file_id
, u64 volatile_file_id
,
220 struct kstatfs
*FSData
);
221 extern int SMB311_posix_qfs_info(const unsigned int xid
, struct cifs_tcon
*tcon
,
222 u64 persistent_file_id
, u64 volatile_file_id
,
223 struct kstatfs
*FSData
);
224 extern int SMB2_QFS_attr(const unsigned int xid
, struct cifs_tcon
*tcon
,
225 u64 persistent_file_id
, u64 volatile_file_id
, int lvl
);
226 extern int SMB2_lock(const unsigned int xid
, struct cifs_tcon
*tcon
,
227 const __u64 persist_fid
, const __u64 volatile_fid
,
228 const __u32 pid
, const __u64 length
, const __u64 offset
,
229 const __u32 lockFlags
, const bool wait
);
230 extern int smb2_lockv(const unsigned int xid
, struct cifs_tcon
*tcon
,
231 const __u64 persist_fid
, const __u64 volatile_fid
,
232 const __u32 pid
, const __u32 num_lock
,
233 struct smb2_lock_element
*buf
);
234 extern int SMB2_lease_break(const unsigned int xid
, struct cifs_tcon
*tcon
,
235 __u8
*lease_key
, const __le32 lease_state
);
236 extern int smb3_validate_negotiate(const unsigned int, struct cifs_tcon
*);
238 extern enum securityEnum
smb2_select_sectype(struct TCP_Server_Info
*,
240 extern void smb2_parse_contexts(struct TCP_Server_Info
*server
,
241 struct smb2_create_rsp
*rsp
,
242 unsigned int *epoch
, char *lease_key
,
243 __u8
*oplock
, struct smb2_file_all_info
*buf
);
244 extern int smb3_encryption_required(const struct cifs_tcon
*tcon
);
245 extern int smb2_validate_iov(unsigned int offset
, unsigned int buffer_length
,
246 struct kvec
*iov
, unsigned int min_buf_size
);
247 extern int smb2_validate_and_copy_iov(unsigned int offset
,
248 unsigned int buffer_length
,
250 unsigned int minbufsize
, char *data
);
251 extern void smb2_copy_fs_info_to_kstatfs(
252 struct smb2_fs_full_size_info
*pfs_inf
,
253 struct kstatfs
*kst
);
254 extern int smb311_crypto_shash_allocate(struct TCP_Server_Info
*server
);
255 extern int smb311_update_preauth_hash(struct cifs_ses
*ses
,
256 struct kvec
*iov
, int nvec
);
257 extern int smb2_query_info_compound(const unsigned int xid
,
258 struct cifs_tcon
*tcon
,
259 __le16
*utf16_path
, u32 desired_access
,
260 u32
class, u32 type
, u32 output_len
,
261 struct kvec
*rsp
, int *buftype
,
262 struct cifs_sb_info
*cifs_sb
);
263 #endif /* _SMB2PROTO_H */