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Merge tag 'sched-core-2023-04-27' of git://git.kernel.org/pub/scm/linux/kernel/git...
[linux-block.git] / fs / cifs / smb2proto.h
CommitLineData
929be906 1/* SPDX-License-Identifier: LGPL-2.1 */
ddfbefbd 2/*
ddfbefbd
SF		 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 *
ddfbefbd
SF		 9 */
10#ifndef _SMB2PROTO_H
11#define _SMB2PROTO_H
12#include <linux/nls.h>
13#include <linux/key-type.h>
14
15struct statfs;
0b688cfc 16struct smb_rqst;
ddfbefbd
SF		 17
18/*
19 *****************************************************************
20 * All Prototypes
21 *****************************************************************
22 */
23extern int map_smb2_to_linux_error(char *buf, bool log_err);
373512ec
SF		 24extern int smb2_check_message(char *buf, unsigned int length,
25 struct TCP_Server_Info *server);
68ed1449 26extern unsigned int smb2_calc_size(void *buf);
e4dc31fe 27extern char *smb2_get_data_area_len(int *off, int *len,
0d35e382 28 struct smb2_hdr *shdr);
2503a0db
PS		 29extern __le16 *cifs_convert_path_to_utf16(const char *from,
30 struct cifs_sb_info *cifs_sb);
ddfbefbd 31
0b688cfc 32extern int smb2_verify_signature(struct smb_rqst *, struct TCP_Server_Info *);
2dc7e1c0
PS		 33extern int smb2_check_receive(struct mid_q_entry *mid,
34 struct TCP_Server_Info *server, bool log_error);
fec344e3 35extern struct mid_q_entry *smb2_setup_request(struct cifs_ses *ses,
f780bd3f
AA		 36 struct TCP_Server_Info *,
37 struct smb_rqst *rqst);
fec344e3
JL		 38extern struct mid_q_entry *smb2_setup_async_request(
39 struct TCP_Server_Info *server, struct smb_rqst *rqst);
38bd4906
SP		 40extern struct cifs_ses *smb2_find_smb_ses(struct TCP_Server_Info *server,
41 __u64 ses_id);
42extern struct cifs_tcon *smb2_find_smb_tcon(struct TCP_Server_Info *server,
43 __u64 ses_id, __u32 tid);
38107d45 44extern int smb2_calc_signature(struct smb_rqst *rqst,
eda1c54f
LL		 45 struct TCP_Server_Info *server,
46 bool allocate_crypto);
38107d45 47extern int smb3_calc_signature(struct smb_rqst *rqst,
eda1c54f
LL		 48 struct TCP_Server_Info *server,
49 bool allocate_crypto);
c95b8eed 50extern void smb2_echo_request(struct work_struct *work);
0822f514 51extern __le32 smb2_get_lease_state(struct cifsInodeInfo *cinode);
983c88a4
PS		 52extern bool smb2_is_valid_oplock_break(char *buffer,
53 struct TCP_Server_Info *srv);
4326ed2f
PS		 54extern int smb3_handle_read_data(struct TCP_Server_Info *server,
55 struct mid_q_entry *mid);
2e4564b3
SF		 56extern int smb2_query_reparse_tag(const unsigned int xid, struct cifs_tcon *tcon,
57 struct cifs_sb_info *cifs_sb, const char *path,
58 __u32 *reparse_tag);
76894f3e
PA		 59int smb2_query_path_info(const unsigned int xid, struct cifs_tcon *tcon,
60 struct cifs_sb_info *cifs_sb, const char *full_path,
61 struct cifs_open_info_data *data, bool *adjust_tz, bool *reparse);
c839ff24
PS		 62extern int smb2_set_path_size(const unsigned int xid, struct cifs_tcon *tcon,
63 const char *full_path, __u64 size,
64 struct cifs_sb_info *cifs_sb, bool set_alloc);
1feeaac7
PS		 65extern int smb2_set_file_info(struct inode *inode, const char *full_path,
66 FILE_BASIC_INFO *buf, const unsigned int xid);
bea851b8
SF		 67extern int smb311_posix_mkdir(const unsigned int xid, struct inode *inode,
68 umode_t mode, struct cifs_tcon *tcon,
69 const char *full_path,
70 struct cifs_sb_info *cifs_sb);
c3ca78e2
SF		 71extern int smb2_mkdir(const unsigned int xid, struct inode *inode,
72 umode_t mode, struct cifs_tcon *tcon,
a0e73183
PS		 73 const char *name, struct cifs_sb_info *cifs_sb);
74extern void smb2_mkdir_setinfo(struct inode *inode, const char *full_path,
75 struct cifs_sb_info *cifs_sb,
76 struct cifs_tcon *tcon, const unsigned int xid);
1a500f01
PS		 77extern int smb2_rmdir(const unsigned int xid, struct cifs_tcon *tcon,
78 const char *name, struct cifs_sb_info *cifs_sb);
cbe6f439
PS		 79extern int smb2_unlink(const unsigned int xid, struct cifs_tcon *tcon,
80 const char *name, struct cifs_sb_info *cifs_sb);
35143eb5
PS		 81extern int smb2_rename_path(const unsigned int xid, struct cifs_tcon *tcon,
82 const char *from_name, const char *to_name,
83 struct cifs_sb_info *cifs_sb);
568798cc
PS		 84extern int smb2_create_hardlink(const unsigned int xid, struct cifs_tcon *tcon,
85 const char *from_name, const char *to_name,
86 struct cifs_sb_info *cifs_sb);
5ab97578
SF		 87extern int smb3_create_mf_symlink(unsigned int xid, struct cifs_tcon *tcon,
88 struct cifs_sb_info *cifs_sb, const unsigned char *path,
89 char *pbuf, unsigned int *pbytes_written);
c22870ea
SF		 90extern int smb3_query_mf_symlink(unsigned int xid, struct cifs_tcon *tcon,
91 struct cifs_sb_info *cifs_sb,
92 const unsigned char *path, char *pbuf,
93 unsigned int *pbytes_read);
76894f3e
PA		 94int smb2_parse_symlink_response(struct cifs_sb_info *cifs_sb, const struct kvec *iov, char **path);
95int smb2_open_file(const unsigned int xid, struct cifs_open_parms *oparms, __u32 *oplock,
96 void *buf);
f7ba7fe6
PS		 97extern int smb2_unlock_range(struct cifsFileInfo *cfile,
98 struct file_lock *flock, const unsigned int xid);
b140799a 99extern int smb2_push_mandatory_locks(struct cifsFileInfo *cfile);
53e0e11e 100extern void smb2_reconnect_server(struct work_struct *work);
026e93dc 101extern int smb3_crypto_aead_allocate(struct TCP_Server_Info *server);
81f39f95
RS		 102extern unsigned long smb_rqst_len(struct TCP_Server_Info *server,
103 struct smb_rqst *rqst);
e77fe73c
RS		 104extern void smb2_set_next_command(struct cifs_tcon *tcon,
105 struct smb_rqst *rqst);
c5a5f38f 106extern void smb2_set_related(struct smb_rqst *rqst);
f0df737e 107
ec2e4523
PS		 108/*
109 * SMB2 Worker functions - most of protocol specific implementation details
110 * are contained within these calls.
111 */
f486ef8e
SP		 112extern int SMB2_negotiate(const unsigned int xid,
113 struct cifs_ses *ses,
114 struct TCP_Server_Info *server);
5478f9ba 115extern int SMB2_sess_setup(const unsigned int xid, struct cifs_ses *ses,
f486ef8e 116 struct TCP_Server_Info *server,
5478f9ba
PS		 117 const struct nls_table *nls_cp);
118extern int SMB2_logoff(const unsigned int xid, struct cifs_ses *ses);
faaf946a
PS		 119extern int SMB2_tcon(const unsigned int xid, struct cifs_ses *ses,
120 const char *tree, struct cifs_tcon *tcon,
121 const struct nls_table *);
122extern int SMB2_tdis(const unsigned int xid, struct cifs_tcon *tcon);
064f6047
PS		 123extern int SMB2_open(const unsigned int xid, struct cifs_open_parms *oparms,
124 __le16 *path, __u8 *oplock,
b42bf888 125 struct smb2_file_all_info *buf,
69dda305 126 struct create_posix_rsp *posix,
9d874c36 127 struct kvec *err_iov, int *resp_buftype);
352d96f3
AA		 128extern int SMB2_open_init(struct cifs_tcon *tcon,
129 struct TCP_Server_Info *server,
130 struct smb_rqst *rqst,
1eb9fb52
RS		 131 __u8 *oplock, struct cifs_open_parms *oparms,
132 __le16 *path);
133extern void SMB2_open_free(struct smb_rqst *rqst);
4a72dafa
SF		 134extern int SMB2_ioctl(const unsigned int xid, struct cifs_tcon *tcon,
135 u64 persistent_fid, u64 volatile_fid, u32 opcode,
400d0ad6 136 char *in_data, u32 indatalen, u32 maxoutlen,
4a72dafa 137 char **out_data, u32 *plen /* returned data len */);
352d96f3
AA		 138extern int SMB2_ioctl_init(struct cifs_tcon *tcon,
139 struct TCP_Server_Info *server,
140 struct smb_rqst *rqst,
ccdc77a3 141 u64 persistent_fid, u64 volatile_fid, u32 opcode,
400d0ad6 142 char *in_data, u32 indatalen,
153322f7 143 __u32 max_response_size);
ccdc77a3 144extern void SMB2_ioctl_free(struct smb_rqst *rqst);
52870d50
SF		 145extern int SMB2_change_notify(const unsigned int xid, struct cifs_tcon *tcon,
146 u64 persistent_fid, u64 volatile_fid, bool watch_tree,
e3e94634
SF		 147 u32 completion_filter, u32 max_out_data_len,
148 char **out_data, u32 *plen /* returned data len */);
52870d50 149
43f8a6a7
SF		 150extern int __SMB2_close(const unsigned int xid, struct cifs_tcon *tcon,
151 u64 persistent_fid, u64 volatile_fid,
152 struct smb2_file_network_open_info *pbuf);
2503a0db
PS		 153extern int SMB2_close(const unsigned int xid, struct cifs_tcon *tcon,
154 u64 persistent_file_id, u64 volatile_file_id);
352d96f3
AA		 155extern int SMB2_close_init(struct cifs_tcon *tcon,
156 struct TCP_Server_Info *server,
157 struct smb_rqst *rqst,
158 u64 persistent_fid, u64 volatile_fid,
159 bool query_attrs);
8eb4ecfa 160extern void SMB2_close_free(struct smb_rqst *rqst);
7a5cfb19
PS		 161extern int SMB2_flush(const unsigned int xid, struct cifs_tcon *tcon,
162 u64 persistent_file_id, u64 volatile_file_id);
86e14e12
RS		 163extern int SMB2_flush_init(const unsigned int xid, struct smb_rqst *rqst,
164 struct cifs_tcon *tcon,
352d96f3 165 struct TCP_Server_Info *server,
86e14e12
RS		 166 u64 persistent_file_id, u64 volatile_file_id);
167extern void SMB2_flush_free(struct smb_rqst *rqst);
b1bc1874
SF		 168extern int SMB311_posix_query_info(const unsigned int xid, struct cifs_tcon *tcon,
169 u64 persistent_fid, u64 volatile_fid, struct smb311_posix_qinfo *data, u32 *plen);
be4cb9e3
PS		 170extern 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);
352d96f3
AA		 173extern int SMB2_query_info_init(struct cifs_tcon *tcon,
174 struct TCP_Server_Info *server,
175 struct smb_rqst *rqst,
296ecbae
RS		 176 u64 persistent_fid, u64 volatile_fid,
177 u8 info_class, u8 info_type,
f5b05d62
RS		 178 u32 additional_info, size_t output_len,
179 size_t input_len, void *input);
296ecbae 180extern void SMB2_query_info_free(struct smb_rqst *rqst);
42c493c1 181extern int SMB2_query_acl(const unsigned int xid, struct cifs_tcon *tcon,
3970acf7
BP		 182 u64 persistent_file_id, u64 volatile_file_id,
183 void **data, unsigned int *plen, u32 info);
f0df737e
PS		 184extern int SMB2_get_srv_num(const unsigned int xid, struct cifs_tcon *tcon,
185 u64 persistent_fid, u64 volatile_fid,
186 __le64 *uniqueid);
09a4707e 187extern int smb2_async_readv(struct cifs_readdata *rdata);
d8e05039
PS		 188extern int SMB2_read(const unsigned int xid, struct cifs_io_parms *io_parms,
189 unsigned int *nbytes, char **buf, int *buf_type);
4a5c80d7
SF		 190extern int smb2_async_writev(struct cifs_writedata *wdata,
191 void (*release)(struct kref *kref));
009d3443
PS		 192extern int SMB2_write(const unsigned int xid, struct cifs_io_parms *io_parms,
193 unsigned int *nbytes, struct kvec *iov, int n_vec);
9094fad1 194extern int SMB2_echo(struct TCP_Server_Info *server);
d324f08d
PS		 195extern int SMB2_query_directory(const unsigned int xid, struct cifs_tcon *tcon,
196 u64 persistent_fid, u64 volatile_fid, int index,
197 struct cifs_search_info *srch_inf);
0a17799c 198extern int SMB2_query_directory_init(unsigned int xid, struct cifs_tcon *tcon,
352d96f3 199 struct TCP_Server_Info *server,
0a17799c
RS		 200 struct smb_rqst *rqst,
201 u64 persistent_fid, u64 volatile_fid,
202 int index, int info_level);
203extern void SMB2_query_directory_free(struct smb_rqst *rqst);
c839ff24
PS		 204extern int SMB2_set_eof(const unsigned int xid, struct cifs_tcon *tcon,
205 u64 persistent_fid, u64 volatile_fid, u32 pid,
3764cbd1 206 __le64 *eof);
352d96f3
AA		 207extern int SMB2_set_info_init(struct cifs_tcon *tcon,
208 struct TCP_Server_Info *server,
209 struct smb_rqst *rqst,
ba8ca116
RS		 210 u64 persistent_fid, u64 volatile_fid, u32 pid,
211 u8 info_class, u8 info_type, u32 additional_info,
212 void **data, unsigned int *size);
213extern void SMB2_set_info_free(struct smb_rqst *rqst);
dac95340
SP		 214extern int SMB2_set_acl(const unsigned int xid, struct cifs_tcon *tcon,
215 u64 persistent_fid, u64 volatile_fid,
216 struct cifs_ntsd *pnntsd, int pacllen, int aclflag);
5517554e
RS		 217extern int SMB2_set_ea(const unsigned int xid, struct cifs_tcon *tcon,
218 u64 persistent_fid, u64 volatile_fid,
219 struct smb2_file_full_ea_info *buf, int len);
64a5cfa6
SF		 220extern int SMB2_set_compression(const unsigned int xid, struct cifs_tcon *tcon,
221 u64 persistent_fid, u64 volatile_fid);
983c88a4
PS		 222extern int SMB2_oplock_break(const unsigned int xid, struct cifs_tcon *tcon,
223 const u64 persistent_fid, const u64 volatile_fid,
224 const __u8 oplock_level);
9150c3ad
PS		 225extern int smb2_handle_cancelled_close(struct cifs_tcon *tcon,
226 __u64 persistent_fid,
227 __u64 volatile_fid);
04ad69c3 228extern int smb2_handle_cancelled_mid(struct mid_q_entry *mid, struct TCP_Server_Info *server);
38bd4906 229void smb2_cancelled_close_fid(struct work_struct *work);
6fc05c25
PS		 230extern int SMB2_QFS_info(const unsigned int xid, struct cifs_tcon *tcon,
231 u64 persistent_file_id, u64 volatile_file_id,
232 struct kstatfs *FSData);
2d304217
SF		 233extern int SMB311_posix_qfs_info(const unsigned int xid, struct cifs_tcon *tcon,
234 u64 persistent_file_id, u64 volatile_file_id,
235 struct kstatfs *FSData);
34f62640 236extern int SMB2_QFS_attr(const unsigned int xid, struct cifs_tcon *tcon,
2167114c 237 u64 persistent_file_id, u64 volatile_file_id, int lvl);
f7ba7fe6
PS		 238extern int SMB2_lock(const unsigned int xid, struct cifs_tcon *tcon,
239 const __u64 persist_fid, const __u64 volatile_fid,
240 const __u32 pid, const __u64 length, const __u64 offset,
241 const __u32 lockFlags, const bool wait);
242extern int smb2_lockv(const unsigned int xid, struct cifs_tcon *tcon,
243 const __u64 persist_fid, const __u64 volatile_fid,
244 const __u32 pid, const __u32 num_lock,
245 struct smb2_lock_element *buf);
0822f514
PS		 246extern int SMB2_lease_break(const unsigned int xid, struct cifs_tcon *tcon,
247 __u8 *lease_key, const __le32 lease_state);
ff1c038a 248extern int smb3_validate_negotiate(const unsigned int, struct cifs_tcon *);
ec2e4523 249
ef65aaed
SP		 250extern enum securityEnum smb2_select_sectype(struct TCP_Server_Info *,
251 enum securityEnum);
89a5bfa3
SF		 252extern void smb2_parse_contexts(struct TCP_Server_Info *server,
253 struct smb2_create_rsp *rsp,
254 unsigned int *epoch, char *lease_key,
69dda305
AA		 255 __u8 *oplock, struct smb2_file_all_info *buf,
256 struct create_posix_rsp *posix);
730928c8
RS		 257extern int smb3_encryption_required(const struct cifs_tcon *tcon);
258extern int smb2_validate_iov(unsigned int offset, unsigned int buffer_length,
259 struct kvec *iov, unsigned int min_buf_size);
c5a5f38f
RS		 260extern int smb2_validate_and_copy_iov(unsigned int offset,
261 unsigned int buffer_length,
262 struct kvec *iov,
263 unsigned int minbufsize, char *data);
730928c8
RS		 264extern void smb2_copy_fs_info_to_kstatfs(
265 struct smb2_fs_full_size_info *pfs_inf,
266 struct kstatfs *kst);
5fcd7f3f 267extern int smb311_crypto_shash_allocate(struct TCP_Server_Info *server);
8bd68c6e 268extern int smb311_update_preauth_hash(struct cifs_ses *ses,
f486ef8e 269 struct TCP_Server_Info *server,
8bd68c6e 270 struct kvec *iov, int nvec);
f9793b6f
RS		 271extern int smb2_query_info_compound(const unsigned int xid,
272 struct cifs_tcon *tcon,
5e0c969e 273 const char *path, u32 desired_access,
f9793b6f
RS		 274 u32 class, u32 type, u32 output_len,
275 struct kvec *rsp, int *buftype,
276 struct cifs_sb_info *cifs_sb);
6a5f6592 277/* query path info from the server using SMB311 POSIX extensions*/
76894f3e
PA		 278int smb311_posix_query_path_info(const unsigned int xid, struct cifs_tcon *tcon,
279 struct cifs_sb_info *cifs_sb, const char *full_path,
64ce47cb
VL		 280 struct cifs_open_info_data *data,
281 struct cifs_sid *owner,
282 struct cifs_sid *group,
283 bool *adjust_tz, bool *reparse);
349e13ad
AA		 284int posix_info_parse(const void *beg, const void *end,
285 struct smb2_posix_info_parsed *out);
69dda305 286int posix_info_sid_size(const void *beg, const void *end);
ddfbefbd 287#endif /* _SMB2PROTO_H */
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