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