1 /* SPDX-License-Identifier: LGPL-2.1 */
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
12 #include <linux/nls.h>
13 #include <linux/key-type.h>
19 *****************************************************************
21 *****************************************************************
23 extern int map_smb2_to_linux_error(char *buf, bool log_err);
24 extern int smb2_check_message(char *buf, unsigned int length,
25 struct TCP_Server_Info *server);
26 extern unsigned int smb2_calc_size(void *buf, struct TCP_Server_Info *server);
27 extern char *smb2_get_data_area_len(int *off, int *len,
28 struct smb2_sync_hdr *shdr);
29 extern __le16 *cifs_convert_path_to_utf16(const char *from,
30 struct cifs_sb_info *cifs_sb);
32 extern int smb2_verify_signature(struct smb_rqst *, struct TCP_Server_Info *);
33 extern int smb2_check_receive(struct mid_q_entry *mid,
34 struct TCP_Server_Info *server, bool log_error);
35 extern struct mid_q_entry *smb2_setup_request(struct cifs_ses *ses,
36 struct TCP_Server_Info *,
37 struct smb_rqst *rqst);
38 extern struct mid_q_entry *smb2_setup_async_request(
39 struct TCP_Server_Info *server, struct smb_rqst *rqst);
40 extern struct cifs_ses *smb2_find_smb_ses(struct TCP_Server_Info *server,
42 extern struct cifs_tcon *smb2_find_smb_tcon(struct TCP_Server_Info *server,
43 __u64 ses_id, __u32 tid);
44 extern int smb2_calc_signature(struct smb_rqst *rqst,
45 struct TCP_Server_Info *server,
46 bool allocate_crypto);
47 extern int smb3_calc_signature(struct smb_rqst *rqst,
48 struct TCP_Server_Info *server,
49 bool allocate_crypto);
50 extern void smb2_echo_request(struct work_struct *work);
51 extern __le32 smb2_get_lease_state(struct cifsInodeInfo *cinode);
52 extern bool smb2_is_valid_oplock_break(char *buffer,
53 struct TCP_Server_Info *srv);
54 extern int smb3_handle_read_data(struct TCP_Server_Info *server,
55 struct mid_q_entry *mid);
57 extern int open_cached_dir(unsigned int xid, struct cifs_tcon *tcon,
59 struct cifs_sb_info *cifs_sb,
60 struct cached_fid **cfid);
61 extern int open_cached_dir_by_dentry(struct cifs_tcon *tcon,
62 struct dentry *dentry,
63 struct cached_fid **cfid);
64 extern void close_cached_dir(struct cached_fid *cfid);
65 extern void close_cached_dir_lease(struct cached_fid *cfid);
66 extern void close_cached_dir_lease_locked(struct cached_fid *cfid);
67 extern void move_smb2_info_to_cifs(FILE_ALL_INFO *dst,
68 struct smb2_file_all_info *src);
69 extern int smb2_query_reparse_tag(const unsigned int xid, struct cifs_tcon *tcon,
70 struct cifs_sb_info *cifs_sb, const char *path,
72 extern int smb2_query_path_info(const unsigned int xid, struct cifs_tcon *tcon,
73 struct cifs_sb_info *cifs_sb,
74 const char *full_path, FILE_ALL_INFO *data,
75 bool *adjust_tz, bool *symlink);
76 extern int smb2_set_path_size(const unsigned int xid, struct cifs_tcon *tcon,
77 const char *full_path, __u64 size,
78 struct cifs_sb_info *cifs_sb, bool set_alloc);
79 extern int smb2_set_file_info(struct inode *inode, const char *full_path,
80 FILE_BASIC_INFO *buf, const unsigned int xid);
81 extern int smb311_posix_mkdir(const unsigned int xid, struct inode *inode,
82 umode_t mode, struct cifs_tcon *tcon,
83 const char *full_path,
84 struct cifs_sb_info *cifs_sb);
85 extern int smb2_mkdir(const unsigned int xid, struct inode *inode,
86 umode_t mode, struct cifs_tcon *tcon,
87 const char *name, struct cifs_sb_info *cifs_sb);
88 extern void smb2_mkdir_setinfo(struct inode *inode, const char *full_path,
89 struct cifs_sb_info *cifs_sb,
90 struct cifs_tcon *tcon, const unsigned int xid);
91 extern int smb2_rmdir(const unsigned int xid, struct cifs_tcon *tcon,
92 const char *name, struct cifs_sb_info *cifs_sb);
93 extern int smb2_unlink(const unsigned int xid, struct cifs_tcon *tcon,
94 const char *name, struct cifs_sb_info *cifs_sb);
95 extern int smb2_rename_path(const unsigned int xid, struct cifs_tcon *tcon,
96 const char *from_name, const char *to_name,
97 struct cifs_sb_info *cifs_sb);
98 extern int smb2_create_hardlink(const unsigned int xid, struct cifs_tcon *tcon,
99 const char *from_name, const char *to_name,
100 struct cifs_sb_info *cifs_sb);
101 extern int smb3_create_mf_symlink(unsigned int xid, struct cifs_tcon *tcon,
102 struct cifs_sb_info *cifs_sb, const unsigned char *path,
103 char *pbuf, unsigned int *pbytes_written);
104 extern int smb3_query_mf_symlink(unsigned int xid, struct cifs_tcon *tcon,
105 struct cifs_sb_info *cifs_sb,
106 const unsigned char *path, char *pbuf,
107 unsigned int *pbytes_read);
108 extern int smb2_open_file(const unsigned int xid,
109 struct cifs_open_parms *oparms,
110 __u32 *oplock, FILE_ALL_INFO *buf);
111 extern int smb2_unlock_range(struct cifsFileInfo *cfile,
112 struct file_lock *flock, const unsigned int xid);
113 extern int smb2_push_mandatory_locks(struct cifsFileInfo *cfile);
114 extern void smb2_reconnect_server(struct work_struct *work);
115 extern int smb3_crypto_aead_allocate(struct TCP_Server_Info *server);
116 extern unsigned long smb_rqst_len(struct TCP_Server_Info *server,
117 struct smb_rqst *rqst);
118 extern void smb2_set_next_command(struct cifs_tcon *tcon,
119 struct smb_rqst *rqst);
120 extern void smb2_set_related(struct smb_rqst *rqst);
123 * SMB2 Worker functions - most of protocol specific implementation details
124 * are contained within these calls.
126 extern int SMB2_negotiate(const unsigned int xid, struct cifs_ses *ses);
127 extern int SMB2_sess_setup(const unsigned int xid, struct cifs_ses *ses,
128 const struct nls_table *nls_cp);
129 extern int SMB2_logoff(const unsigned int xid, struct cifs_ses *ses);
130 extern int SMB2_tcon(const unsigned int xid, struct cifs_ses *ses,
131 const char *tree, struct cifs_tcon *tcon,
132 const struct nls_table *);
133 extern int SMB2_tdis(const unsigned int xid, struct cifs_tcon *tcon);
134 extern int SMB2_open(const unsigned int xid, struct cifs_open_parms *oparms,
135 __le16 *path, __u8 *oplock,
136 struct smb2_file_all_info *buf,
137 struct create_posix_rsp *posix,
138 struct kvec *err_iov, int *resp_buftype);
139 extern int SMB2_open_init(struct cifs_tcon *tcon,
140 struct TCP_Server_Info *server,
141 struct smb_rqst *rqst,
142 __u8 *oplock, struct cifs_open_parms *oparms,
144 extern void SMB2_open_free(struct smb_rqst *rqst);
145 extern int SMB2_ioctl(const unsigned int xid, struct cifs_tcon *tcon,
146 u64 persistent_fid, u64 volatile_fid, u32 opcode,
147 bool is_fsctl, char *in_data, u32 indatalen, u32 maxoutlen,
148 char **out_data, u32 *plen /* returned data len */);
149 extern int SMB2_ioctl_init(struct cifs_tcon *tcon,
150 struct TCP_Server_Info *server,
151 struct smb_rqst *rqst,
152 u64 persistent_fid, u64 volatile_fid, u32 opcode,
153 bool is_fsctl, char *in_data, u32 indatalen,
154 __u32 max_response_size);
155 extern void SMB2_ioctl_free(struct smb_rqst *rqst);
156 extern int SMB2_change_notify(const unsigned int xid, struct cifs_tcon *tcon,
157 u64 persistent_fid, u64 volatile_fid, bool watch_tree,
158 u32 completion_filter);
160 extern int __SMB2_close(const unsigned int xid, struct cifs_tcon *tcon,
161 u64 persistent_fid, u64 volatile_fid,
162 struct smb2_file_network_open_info *pbuf);
163 extern int SMB2_close(const unsigned int xid, struct cifs_tcon *tcon,
164 u64 persistent_file_id, u64 volatile_file_id);
165 extern int SMB2_close_init(struct cifs_tcon *tcon,
166 struct TCP_Server_Info *server,
167 struct smb_rqst *rqst,
168 u64 persistent_fid, u64 volatile_fid,
170 extern void SMB2_close_free(struct smb_rqst *rqst);
171 extern int SMB2_flush(const unsigned int xid, struct cifs_tcon *tcon,
172 u64 persistent_file_id, u64 volatile_file_id);
173 extern int SMB2_flush_init(const unsigned int xid, struct smb_rqst *rqst,
174 struct cifs_tcon *tcon,
175 struct TCP_Server_Info *server,
176 u64 persistent_file_id, u64 volatile_file_id);
177 extern void SMB2_flush_free(struct smb_rqst *rqst);
178 extern int SMB311_posix_query_info(const unsigned int xid, struct cifs_tcon *tcon,
179 u64 persistent_fid, u64 volatile_fid, struct smb311_posix_qinfo *data, u32 *plen);
180 extern int SMB2_query_info(const unsigned int xid, struct cifs_tcon *tcon,
181 u64 persistent_file_id, u64 volatile_file_id,
182 struct smb2_file_all_info *data);
183 extern int SMB2_query_info_init(struct cifs_tcon *tcon,
184 struct TCP_Server_Info *server,
185 struct smb_rqst *rqst,
186 u64 persistent_fid, u64 volatile_fid,
187 u8 info_class, u8 info_type,
188 u32 additional_info, size_t output_len,
189 size_t input_len, void *input);
190 extern void SMB2_query_info_free(struct smb_rqst *rqst);
191 extern int SMB2_query_acl(const unsigned int xid, struct cifs_tcon *tcon,
192 u64 persistent_file_id, u64 volatile_file_id,
193 void **data, unsigned int *plen, u32 info);
194 extern int SMB2_get_srv_num(const unsigned int xid, struct cifs_tcon *tcon,
195 u64 persistent_fid, u64 volatile_fid,
197 extern int smb2_async_readv(struct cifs_readdata *rdata);
198 extern int SMB2_read(const unsigned int xid, struct cifs_io_parms *io_parms,
199 unsigned int *nbytes, char **buf, int *buf_type);
200 extern int smb2_async_writev(struct cifs_writedata *wdata,
201 void (*release)(struct kref *kref));
202 extern int SMB2_write(const unsigned int xid, struct cifs_io_parms *io_parms,
203 unsigned int *nbytes, struct kvec *iov, int n_vec);
204 extern int SMB2_echo(struct TCP_Server_Info *server);
205 extern int SMB2_query_directory(const unsigned int xid, struct cifs_tcon *tcon,
206 u64 persistent_fid, u64 volatile_fid, int index,
207 struct cifs_search_info *srch_inf);
208 extern int SMB2_query_directory_init(unsigned int xid, struct cifs_tcon *tcon,
209 struct TCP_Server_Info *server,
210 struct smb_rqst *rqst,
211 u64 persistent_fid, u64 volatile_fid,
212 int index, int info_level);
213 extern void SMB2_query_directory_free(struct smb_rqst *rqst);
214 extern int SMB2_set_eof(const unsigned int xid, struct cifs_tcon *tcon,
215 u64 persistent_fid, u64 volatile_fid, u32 pid,
217 extern int SMB2_set_info_init(struct cifs_tcon *tcon,
218 struct TCP_Server_Info *server,
219 struct smb_rqst *rqst,
220 u64 persistent_fid, u64 volatile_fid, u32 pid,
221 u8 info_class, u8 info_type, u32 additional_info,
222 void **data, unsigned int *size);
223 extern void SMB2_set_info_free(struct smb_rqst *rqst);
224 extern int SMB2_set_acl(const unsigned int xid, struct cifs_tcon *tcon,
225 u64 persistent_fid, u64 volatile_fid,
226 struct cifs_ntsd *pnntsd, int pacllen, int aclflag);
227 extern int SMB2_set_ea(const unsigned int xid, struct cifs_tcon *tcon,
228 u64 persistent_fid, u64 volatile_fid,
229 struct smb2_file_full_ea_info *buf, int len);
230 extern int SMB2_set_compression(const unsigned int xid, struct cifs_tcon *tcon,
231 u64 persistent_fid, u64 volatile_fid);
232 extern int SMB2_oplock_break(const unsigned int xid, struct cifs_tcon *tcon,
233 const u64 persistent_fid, const u64 volatile_fid,
234 const __u8 oplock_level);
235 extern int smb2_handle_cancelled_close(struct cifs_tcon *tcon,
236 __u64 persistent_fid,
238 extern int smb2_handle_cancelled_mid(struct mid_q_entry *mid, struct TCP_Server_Info *server);
239 void smb2_cancelled_close_fid(struct work_struct *work);
240 extern int SMB2_QFS_info(const unsigned int xid, struct cifs_tcon *tcon,
241 u64 persistent_file_id, u64 volatile_file_id,
242 struct kstatfs *FSData);
243 extern int SMB311_posix_qfs_info(const unsigned int xid, struct cifs_tcon *tcon,
244 u64 persistent_file_id, u64 volatile_file_id,
245 struct kstatfs *FSData);
246 extern int SMB2_QFS_attr(const unsigned int xid, struct cifs_tcon *tcon,
247 u64 persistent_file_id, u64 volatile_file_id, int lvl);
248 extern int SMB2_lock(const unsigned int xid, struct cifs_tcon *tcon,
249 const __u64 persist_fid, const __u64 volatile_fid,
250 const __u32 pid, const __u64 length, const __u64 offset,
251 const __u32 lockFlags, const bool wait);
252 extern int smb2_lockv(const unsigned int xid, struct cifs_tcon *tcon,
253 const __u64 persist_fid, const __u64 volatile_fid,
254 const __u32 pid, const __u32 num_lock,
255 struct smb2_lock_element *buf);
256 extern int SMB2_lease_break(const unsigned int xid, struct cifs_tcon *tcon,
257 __u8 *lease_key, const __le32 lease_state);
258 extern int smb3_validate_negotiate(const unsigned int, struct cifs_tcon *);
260 extern enum securityEnum smb2_select_sectype(struct TCP_Server_Info *,
262 extern void smb2_parse_contexts(struct TCP_Server_Info *server,
263 struct smb2_create_rsp *rsp,
264 unsigned int *epoch, char *lease_key,
265 __u8 *oplock, struct smb2_file_all_info *buf,
266 struct create_posix_rsp *posix);
267 extern int smb3_encryption_required(const struct cifs_tcon *tcon);
268 extern int smb2_validate_iov(unsigned int offset, unsigned int buffer_length,
269 struct kvec *iov, unsigned int min_buf_size);
270 extern int smb2_validate_and_copy_iov(unsigned int offset,
271 unsigned int buffer_length,
273 unsigned int minbufsize, char *data);
274 extern void smb2_copy_fs_info_to_kstatfs(
275 struct smb2_fs_full_size_info *pfs_inf,
276 struct kstatfs *kst);
277 extern int smb311_crypto_shash_allocate(struct TCP_Server_Info *server);
278 extern int smb311_update_preauth_hash(struct cifs_ses *ses,
279 struct kvec *iov, int nvec);
280 extern int smb2_query_info_compound(const unsigned int xid,
281 struct cifs_tcon *tcon,
282 __le16 *utf16_path, u32 desired_access,
283 u32 class, u32 type, u32 output_len,
284 struct kvec *rsp, int *buftype,
285 struct cifs_sb_info *cifs_sb);
286 /* query path info from the server using SMB311 POSIX extensions*/
287 extern int smb311_posix_query_path_info(const unsigned int xid, struct cifs_tcon *tcon,
288 struct cifs_sb_info *sb, const char *path, struct smb311_posix_qinfo *qinf,
289 bool *adjust_tx, bool *symlink);
290 int posix_info_parse(const void *beg, const void *end,
291 struct smb2_posix_info_parsed *out);
292 int posix_info_sid_size(const void *beg, const void *end);
293 #endif /* _SMB2PROTO_H */