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git.proxmox.com Git - mirror_ubuntu-jammy-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 cifs_tcon
*tcon
,
88 const char *name
, struct cifs_sb_info
*cifs_sb
);
89 extern void smb2_mkdir_setinfo(struct inode
*inode
, const char *full_path
,
90 struct cifs_sb_info
*cifs_sb
,
91 struct cifs_tcon
*tcon
, const unsigned int xid
);
92 extern int smb2_rmdir(const unsigned int xid
, struct cifs_tcon
*tcon
,
93 const char *name
, struct cifs_sb_info
*cifs_sb
);
94 extern int smb2_unlink(const unsigned int xid
, struct cifs_tcon
*tcon
,
95 const char *name
, struct cifs_sb_info
*cifs_sb
);
96 extern int smb2_rename_path(const unsigned int xid
, struct cifs_tcon
*tcon
,
97 const char *from_name
, const char *to_name
,
98 struct cifs_sb_info
*cifs_sb
);
99 extern int smb2_create_hardlink(const unsigned int xid
, struct cifs_tcon
*tcon
,
100 const char *from_name
, const char *to_name
,
101 struct cifs_sb_info
*cifs_sb
);
102 extern int smb3_create_mf_symlink(unsigned int xid
, struct cifs_tcon
*tcon
,
103 struct cifs_sb_info
*cifs_sb
, const unsigned char *path
,
104 char *pbuf
, unsigned int *pbytes_written
);
105 extern int smb3_query_mf_symlink(unsigned int xid
, struct cifs_tcon
*tcon
,
106 struct cifs_sb_info
*cifs_sb
,
107 const unsigned char *path
, char *pbuf
,
108 unsigned int *pbytes_read
);
109 extern int smb2_open_file(const unsigned int xid
,
110 struct cifs_open_parms
*oparms
,
111 __u32
*oplock
, FILE_ALL_INFO
*buf
);
112 extern int smb2_unlock_range(struct cifsFileInfo
*cfile
,
113 struct file_lock
*flock
, const unsigned int xid
);
114 extern int smb2_push_mandatory_locks(struct cifsFileInfo
*cfile
);
115 extern void smb2_reconnect_server(struct work_struct
*work
);
116 extern int smb3_crypto_aead_allocate(struct TCP_Server_Info
*server
);
117 extern unsigned long smb_rqst_len(struct TCP_Server_Info
*server
,
118 struct smb_rqst
*rqst
);
119 extern void smb2_set_next_command(struct cifs_tcon
*tcon
,
120 struct smb_rqst
*rqst
);
121 extern void smb2_set_related(struct smb_rqst
*rqst
);
124 * SMB2 Worker functions - most of protocol specific implementation details
125 * are contained within these calls.
127 extern int SMB2_negotiate(const unsigned int xid
, struct cifs_ses
*ses
);
128 extern int SMB2_sess_setup(const unsigned int xid
, struct cifs_ses
*ses
,
129 const struct nls_table
*nls_cp
);
130 extern int SMB2_logoff(const unsigned int xid
, struct cifs_ses
*ses
);
131 extern int SMB2_tcon(const unsigned int xid
, struct cifs_ses
*ses
,
132 const char *tree
, struct cifs_tcon
*tcon
,
133 const struct nls_table
*);
134 extern int SMB2_tdis(const unsigned int xid
, struct cifs_tcon
*tcon
);
135 extern int SMB2_open(const unsigned int xid
, struct cifs_open_parms
*oparms
,
136 __le16
*path
, __u8
*oplock
,
137 struct smb2_file_all_info
*buf
,
138 struct kvec
*err_iov
, int *resp_buftype
);
139 extern int SMB2_open_init(struct cifs_tcon
*tcon
, struct smb_rqst
*rqst
,
140 __u8
*oplock
, struct cifs_open_parms
*oparms
,
142 extern void SMB2_open_free(struct smb_rqst
*rqst
);
143 extern int SMB2_ioctl(const unsigned int xid
, struct cifs_tcon
*tcon
,
144 u64 persistent_fid
, u64 volatile_fid
, u32 opcode
,
145 bool is_fsctl
, char *in_data
, u32 indatalen
,
146 char **out_data
, u32
*plen
/* returned data len */);
147 extern int SMB2_close(const unsigned int xid
, struct cifs_tcon
*tcon
,
148 u64 persistent_file_id
, u64 volatile_file_id
);
149 extern int SMB2_close_flags(const unsigned int xid
, struct cifs_tcon
*tcon
,
150 u64 persistent_fid
, u64 volatile_fid
, int flags
);
151 extern int SMB2_close_init(struct cifs_tcon
*tcon
, struct smb_rqst
*rqst
,
152 u64 persistent_file_id
, u64 volatile_file_id
);
153 extern void SMB2_close_free(struct smb_rqst
*rqst
);
154 extern int SMB2_flush(const unsigned int xid
, struct cifs_tcon
*tcon
,
155 u64 persistent_file_id
, u64 volatile_file_id
);
156 extern int SMB2_query_info(const unsigned int xid
, struct cifs_tcon
*tcon
,
157 u64 persistent_file_id
, u64 volatile_file_id
,
158 struct smb2_file_all_info
*data
);
159 extern int SMB2_query_info_init(struct cifs_tcon
*tcon
, struct smb_rqst
*rqst
,
160 u64 persistent_fid
, u64 volatile_fid
,
161 u8 info_class
, u8 info_type
,
162 u32 additional_info
, size_t output_len
,
163 size_t input_len
, void *input
);
164 extern void SMB2_query_info_free(struct smb_rqst
*rqst
);
165 extern int SMB2_query_acl(const unsigned int xid
, struct cifs_tcon
*tcon
,
166 u64 persistent_file_id
, u64 volatile_file_id
,
167 void **data
, unsigned int *plen
);
168 extern int SMB2_get_srv_num(const unsigned int xid
, struct cifs_tcon
*tcon
,
169 u64 persistent_fid
, u64 volatile_fid
,
171 extern int smb2_async_readv(struct cifs_readdata
*rdata
);
172 extern int SMB2_read(const unsigned int xid
, struct cifs_io_parms
*io_parms
,
173 unsigned int *nbytes
, char **buf
, int *buf_type
);
174 extern int smb2_async_writev(struct cifs_writedata
*wdata
,
175 void (*release
)(struct kref
*kref
));
176 extern int SMB2_write(const unsigned int xid
, struct cifs_io_parms
*io_parms
,
177 unsigned int *nbytes
, struct kvec
*iov
, int n_vec
);
178 extern int SMB2_echo(struct TCP_Server_Info
*server
);
179 extern int SMB2_query_directory(const unsigned int xid
, struct cifs_tcon
*tcon
,
180 u64 persistent_fid
, u64 volatile_fid
, int index
,
181 struct cifs_search_info
*srch_inf
);
182 extern int SMB2_set_eof(const unsigned int xid
, struct cifs_tcon
*tcon
,
183 u64 persistent_fid
, u64 volatile_fid
, u32 pid
,
185 extern int SMB2_set_info_init(struct cifs_tcon
*tcon
, struct smb_rqst
*rqst
,
186 u64 persistent_fid
, u64 volatile_fid
, u32 pid
,
187 u8 info_class
, u8 info_type
, u32 additional_info
,
188 void **data
, unsigned int *size
);
189 extern void SMB2_set_info_free(struct smb_rqst
*rqst
);
190 extern int SMB2_set_acl(const unsigned int xid
, struct cifs_tcon
*tcon
,
191 u64 persistent_fid
, u64 volatile_fid
,
192 struct cifs_ntsd
*pnntsd
, int pacllen
, int aclflag
);
193 extern int SMB2_set_ea(const unsigned int xid
, struct cifs_tcon
*tcon
,
194 u64 persistent_fid
, u64 volatile_fid
,
195 struct smb2_file_full_ea_info
*buf
, int len
);
196 extern int SMB2_set_compression(const unsigned int xid
, struct cifs_tcon
*tcon
,
197 u64 persistent_fid
, u64 volatile_fid
);
198 extern int SMB2_oplock_break(const unsigned int xid
, struct cifs_tcon
*tcon
,
199 const u64 persistent_fid
, const u64 volatile_fid
,
200 const __u8 oplock_level
);
201 extern int smb2_handle_cancelled_mid(char *buffer
,
202 struct TCP_Server_Info
*server
);
203 void smb2_cancelled_close_fid(struct work_struct
*work
);
204 extern int SMB2_QFS_info(const unsigned int xid
, struct cifs_tcon
*tcon
,
205 u64 persistent_file_id
, u64 volatile_file_id
,
206 struct kstatfs
*FSData
);
207 extern int SMB311_posix_qfs_info(const unsigned int xid
, struct cifs_tcon
*tcon
,
208 u64 persistent_file_id
, u64 volatile_file_id
,
209 struct kstatfs
*FSData
);
210 extern int SMB2_QFS_attr(const unsigned int xid
, struct cifs_tcon
*tcon
,
211 u64 persistent_file_id
, u64 volatile_file_id
, int lvl
);
212 extern int SMB2_lock(const unsigned int xid
, struct cifs_tcon
*tcon
,
213 const __u64 persist_fid
, const __u64 volatile_fid
,
214 const __u32 pid
, const __u64 length
, const __u64 offset
,
215 const __u32 lockFlags
, const bool wait
);
216 extern int smb2_lockv(const unsigned int xid
, struct cifs_tcon
*tcon
,
217 const __u64 persist_fid
, const __u64 volatile_fid
,
218 const __u32 pid
, const __u32 num_lock
,
219 struct smb2_lock_element
*buf
);
220 extern int SMB2_lease_break(const unsigned int xid
, struct cifs_tcon
*tcon
,
221 __u8
*lease_key
, const __le32 lease_state
);
222 extern int smb3_validate_negotiate(const unsigned int, struct cifs_tcon
*);
224 extern enum securityEnum
smb2_select_sectype(struct TCP_Server_Info
*,
226 extern int smb3_encryption_required(const struct cifs_tcon
*tcon
);
227 extern int smb2_validate_iov(unsigned int offset
, unsigned int buffer_length
,
228 struct kvec
*iov
, unsigned int min_buf_size
);
229 extern int smb2_validate_and_copy_iov(unsigned int offset
,
230 unsigned int buffer_length
,
232 unsigned int minbufsize
, char *data
);
233 extern void smb2_copy_fs_info_to_kstatfs(
234 struct smb2_fs_full_size_info
*pfs_inf
,
235 struct kstatfs
*kst
);
236 extern int smb311_crypto_shash_allocate(struct TCP_Server_Info
*server
);
237 extern int smb311_update_preauth_hash(struct cifs_ses
*ses
,
238 struct kvec
*iov
, int nvec
);
239 extern int smb2_query_info_compound(const unsigned int xid
,
240 struct cifs_tcon
*tcon
,
241 __le16
*utf16_path
, u32 desired_access
,
242 u32
class, u32 type
, u32 output_len
,
243 struct kvec
*rsp
, int *buftype
,
244 struct cifs_sb_info
*cifs_sb
);
245 #endif /* _SMB2PROTO_H */