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);
27 extern char *smb2_get_data_area_len(int *off, int *len,
28 struct smb2_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 void move_smb2_info_to_cifs(FILE_ALL_INFO *dst,
58 struct smb2_file_all_info *src);
59 extern int smb2_query_reparse_tag(const unsigned int xid, struct cifs_tcon *tcon,
60 struct cifs_sb_info *cifs_sb, const char *path,
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 smb311_posix_mkdir(const unsigned int xid, struct inode *inode,
72 umode_t mode, struct cifs_tcon *tcon,
73 const char *full_path,
74 struct cifs_sb_info *cifs_sb);
75 extern int smb2_mkdir(const unsigned int xid, struct inode *inode,
76 umode_t mode, struct cifs_tcon *tcon,
77 const char *name, struct cifs_sb_info *cifs_sb);
78 extern void smb2_mkdir_setinfo(struct inode *inode, const char *full_path,
79 struct cifs_sb_info *cifs_sb,
80 struct cifs_tcon *tcon, const unsigned int xid);
81 extern int smb2_rmdir(const unsigned int xid, struct cifs_tcon *tcon,
82 const char *name, struct cifs_sb_info *cifs_sb);
83 extern int smb2_unlink(const unsigned int xid, struct cifs_tcon *tcon,
84 const char *name, struct cifs_sb_info *cifs_sb);
85 extern int smb2_rename_path(const unsigned int xid, struct cifs_tcon *tcon,
86 const char *from_name, const char *to_name,
87 struct cifs_sb_info *cifs_sb);
88 extern int smb2_create_hardlink(const unsigned int xid, struct cifs_tcon *tcon,
89 const char *from_name, const char *to_name,
90 struct cifs_sb_info *cifs_sb);
91 extern int smb3_create_mf_symlink(unsigned int xid, struct cifs_tcon *tcon,
92 struct cifs_sb_info *cifs_sb, const unsigned char *path,
93 char *pbuf, unsigned int *pbytes_written);
94 extern int smb3_query_mf_symlink(unsigned int xid, struct cifs_tcon *tcon,
95 struct cifs_sb_info *cifs_sb,
96 const unsigned char *path, char *pbuf,
97 unsigned int *pbytes_read);
98 extern int smb2_open_file(const unsigned int xid,
99 struct cifs_open_parms *oparms,
100 __u32 *oplock, FILE_ALL_INFO *buf);
101 extern int smb2_unlock_range(struct cifsFileInfo *cfile,
102 struct file_lock *flock, const unsigned int xid);
103 extern int smb2_push_mandatory_locks(struct cifsFileInfo *cfile);
104 extern void smb2_reconnect_server(struct work_struct *work);
105 extern int smb3_crypto_aead_allocate(struct TCP_Server_Info *server);
106 extern unsigned long smb_rqst_len(struct TCP_Server_Info *server,
107 struct smb_rqst *rqst);
108 extern void smb2_set_next_command(struct cifs_tcon *tcon,
109 struct smb_rqst *rqst);
110 extern void smb2_set_related(struct smb_rqst *rqst);
113 * SMB2 Worker functions - most of protocol specific implementation details
114 * are contained within these calls.
116 extern int SMB2_negotiate(const unsigned int xid,
117 struct cifs_ses *ses,
118 struct TCP_Server_Info *server);
119 extern int SMB2_sess_setup(const unsigned int xid, struct cifs_ses *ses,
120 struct TCP_Server_Info *server,
121 const struct nls_table *nls_cp);
122 extern int SMB2_logoff(const unsigned int xid, struct cifs_ses *ses);
123 extern int SMB2_tcon(const unsigned int xid, struct cifs_ses *ses,
124 const char *tree, struct cifs_tcon *tcon,
125 const struct nls_table *);
126 extern int SMB2_tdis(const unsigned int xid, struct cifs_tcon *tcon);
127 extern int SMB2_open(const unsigned int xid, struct cifs_open_parms *oparms,
128 __le16 *path, __u8 *oplock,
129 struct smb2_file_all_info *buf,
130 struct create_posix_rsp *posix,
131 struct kvec *err_iov, int *resp_buftype);
132 extern int SMB2_open_init(struct cifs_tcon *tcon,
133 struct TCP_Server_Info *server,
134 struct smb_rqst *rqst,
135 __u8 *oplock, struct cifs_open_parms *oparms,
137 extern void SMB2_open_free(struct smb_rqst *rqst);
138 extern int SMB2_ioctl(const unsigned int xid, struct cifs_tcon *tcon,
139 u64 persistent_fid, u64 volatile_fid, u32 opcode,
140 char *in_data, u32 indatalen, u32 maxoutlen,
141 char **out_data, u32 *plen /* returned data len */);
142 extern int SMB2_ioctl_init(struct cifs_tcon *tcon,
143 struct TCP_Server_Info *server,
144 struct smb_rqst *rqst,
145 u64 persistent_fid, u64 volatile_fid, u32 opcode,
146 char *in_data, u32 indatalen,
147 __u32 max_response_size);
148 extern void SMB2_ioctl_free(struct smb_rqst *rqst);
149 extern int SMB2_change_notify(const unsigned int xid, struct cifs_tcon *tcon,
150 u64 persistent_fid, u64 volatile_fid, bool watch_tree,
151 u32 completion_filter);
153 extern int __SMB2_close(const unsigned int xid, struct cifs_tcon *tcon,
154 u64 persistent_fid, u64 volatile_fid,
155 struct smb2_file_network_open_info *pbuf);
156 extern int SMB2_close(const unsigned int xid, struct cifs_tcon *tcon,
157 u64 persistent_file_id, u64 volatile_file_id);
158 extern int SMB2_close_init(struct cifs_tcon *tcon,
159 struct TCP_Server_Info *server,
160 struct smb_rqst *rqst,
161 u64 persistent_fid, u64 volatile_fid,
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 struct TCP_Server_Info *server,
169 u64 persistent_file_id, u64 volatile_file_id);
170 extern void SMB2_flush_free(struct smb_rqst *rqst);
171 extern int SMB311_posix_query_info(const unsigned int xid, struct cifs_tcon *tcon,
172 u64 persistent_fid, u64 volatile_fid, struct smb311_posix_qinfo *data, u32 *plen);
173 extern int SMB2_query_info(const unsigned int xid, struct cifs_tcon *tcon,
174 u64 persistent_file_id, u64 volatile_file_id,
175 struct smb2_file_all_info *data);
176 extern int SMB2_query_info_init(struct cifs_tcon *tcon,
177 struct TCP_Server_Info *server,
178 struct smb_rqst *rqst,
179 u64 persistent_fid, u64 volatile_fid,
180 u8 info_class, u8 info_type,
181 u32 additional_info, size_t output_len,
182 size_t input_len, void *input);
183 extern void SMB2_query_info_free(struct smb_rqst *rqst);
184 extern int SMB2_query_acl(const unsigned int xid, struct cifs_tcon *tcon,
185 u64 persistent_file_id, u64 volatile_file_id,
186 void **data, unsigned int *plen, u32 info);
187 extern int SMB2_get_srv_num(const unsigned int xid, struct cifs_tcon *tcon,
188 u64 persistent_fid, u64 volatile_fid,
190 extern int smb2_async_readv(struct cifs_readdata *rdata);
191 extern int SMB2_read(const unsigned int xid, struct cifs_io_parms *io_parms,
192 unsigned int *nbytes, char **buf, int *buf_type);
193 extern int smb2_async_writev(struct cifs_writedata *wdata,
194 void (*release)(struct kref *kref));
195 extern int SMB2_write(const unsigned int xid, struct cifs_io_parms *io_parms,
196 unsigned int *nbytes, struct kvec *iov, int n_vec);
197 extern int SMB2_echo(struct TCP_Server_Info *server);
198 extern int SMB2_query_directory(const unsigned int xid, struct cifs_tcon *tcon,
199 u64 persistent_fid, u64 volatile_fid, int index,
200 struct cifs_search_info *srch_inf);
201 extern int SMB2_query_directory_init(unsigned int xid, struct cifs_tcon *tcon,
202 struct TCP_Server_Info *server,
203 struct smb_rqst *rqst,
204 u64 persistent_fid, u64 volatile_fid,
205 int index, int info_level);
206 extern void SMB2_query_directory_free(struct smb_rqst *rqst);
207 extern int SMB2_set_eof(const unsigned int xid, struct cifs_tcon *tcon,
208 u64 persistent_fid, u64 volatile_fid, u32 pid,
210 extern int SMB2_set_info_init(struct cifs_tcon *tcon,
211 struct TCP_Server_Info *server,
212 struct smb_rqst *rqst,
213 u64 persistent_fid, u64 volatile_fid, u32 pid,
214 u8 info_class, u8 info_type, u32 additional_info,
215 void **data, unsigned int *size);
216 extern void SMB2_set_info_free(struct smb_rqst *rqst);
217 extern int SMB2_set_acl(const unsigned int xid, struct cifs_tcon *tcon,
218 u64 persistent_fid, u64 volatile_fid,
219 struct cifs_ntsd *pnntsd, int pacllen, int aclflag);
220 extern int SMB2_set_ea(const unsigned int xid, struct cifs_tcon *tcon,
221 u64 persistent_fid, u64 volatile_fid,
222 struct smb2_file_full_ea_info *buf, int len);
223 extern int SMB2_set_compression(const unsigned int xid, struct cifs_tcon *tcon,
224 u64 persistent_fid, u64 volatile_fid);
225 extern int SMB2_oplock_break(const unsigned int xid, struct cifs_tcon *tcon,
226 const u64 persistent_fid, const u64 volatile_fid,
227 const __u8 oplock_level);
228 extern int smb2_handle_cancelled_close(struct cifs_tcon *tcon,
229 __u64 persistent_fid,
231 extern int smb2_handle_cancelled_mid(struct mid_q_entry *mid, struct TCP_Server_Info *server);
232 void smb2_cancelled_close_fid(struct work_struct *work);
233 extern int SMB2_QFS_info(const unsigned int xid, struct cifs_tcon *tcon,
234 u64 persistent_file_id, u64 volatile_file_id,
235 struct kstatfs *FSData);
236 extern int SMB311_posix_qfs_info(const unsigned int xid, struct cifs_tcon *tcon,
237 u64 persistent_file_id, u64 volatile_file_id,
238 struct kstatfs *FSData);
239 extern int SMB2_QFS_attr(const unsigned int xid, struct cifs_tcon *tcon,
240 u64 persistent_file_id, u64 volatile_file_id, int lvl);
241 extern int SMB2_lock(const unsigned int xid, struct cifs_tcon *tcon,
242 const __u64 persist_fid, const __u64 volatile_fid,
243 const __u32 pid, const __u64 length, const __u64 offset,
244 const __u32 lockFlags, const bool wait);
245 extern int smb2_lockv(const unsigned int xid, struct cifs_tcon *tcon,
246 const __u64 persist_fid, const __u64 volatile_fid,
247 const __u32 pid, const __u32 num_lock,
248 struct smb2_lock_element *buf);
249 extern int SMB2_lease_break(const unsigned int xid, struct cifs_tcon *tcon,
250 __u8 *lease_key, const __le32 lease_state);
251 extern int smb3_validate_negotiate(const unsigned int, struct cifs_tcon *);
253 extern enum securityEnum smb2_select_sectype(struct TCP_Server_Info *,
255 extern void smb2_parse_contexts(struct TCP_Server_Info *server,
256 struct smb2_create_rsp *rsp,
257 unsigned int *epoch, char *lease_key,
258 __u8 *oplock, struct smb2_file_all_info *buf,
259 struct create_posix_rsp *posix);
260 extern int smb3_encryption_required(const struct cifs_tcon *tcon);
261 extern int smb2_validate_iov(unsigned int offset, unsigned int buffer_length,
262 struct kvec *iov, unsigned int min_buf_size);
263 extern int smb2_validate_and_copy_iov(unsigned int offset,
264 unsigned int buffer_length,
266 unsigned int minbufsize, char *data);
267 extern void smb2_copy_fs_info_to_kstatfs(
268 struct smb2_fs_full_size_info *pfs_inf,
269 struct kstatfs *kst);
270 extern int smb311_crypto_shash_allocate(struct TCP_Server_Info *server);
271 extern int smb311_update_preauth_hash(struct cifs_ses *ses,
272 struct TCP_Server_Info *server,
273 struct kvec *iov, int nvec);
274 extern int smb2_query_info_compound(const unsigned int xid,
275 struct cifs_tcon *tcon,
276 const char *path, u32 desired_access,
277 u32 class, u32 type, u32 output_len,
278 struct kvec *rsp, int *buftype,
279 struct cifs_sb_info *cifs_sb);
280 /* query path info from the server using SMB311 POSIX extensions*/
281 extern int smb311_posix_query_path_info(const unsigned int xid, struct cifs_tcon *tcon,
282 struct cifs_sb_info *sb, const char *path, struct smb311_posix_qinfo *qinf,
283 bool *adjust_tx, bool *symlink);
284 int posix_info_parse(const void *beg, const void *end,
285 struct smb2_posix_info_parsed *out);
286 int posix_info_sid_size(const void *beg, const void *end);
287 #endif /* _SMB2PROTO_H */