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1/*
2 * fs/cifs/smb2proto.h
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 *
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.
13 *
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.
18 *
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
22 */
23#ifndef _SMB2PROTO_H
24#define _SMB2PROTO_H
25#include <linux/nls.h>
26#include <linux/key-type.h>
27
28struct statfs;
29struct smb_rqst;
30
31/*
32 *****************************************************************
33 * All Prototypes
34 *****************************************************************
35 */
36extern int map_smb2_to_linux_error(char *buf, bool log_err);
37extern int smb2_check_message(char *buf, unsigned int length,
38 struct TCP_Server_Info *server);
39extern unsigned int smb2_calc_size(void *buf, struct TCP_Server_Info *server);
40extern char *smb2_get_data_area_len(int *off, int *len,
41 struct smb2_sync_hdr *shdr);
42extern __le16 *cifs_convert_path_to_utf16(const char *from,
43 struct cifs_sb_info *cifs_sb);
44
45extern int smb2_verify_signature(struct smb_rqst *, struct TCP_Server_Info *);
46extern int smb2_check_receive(struct mid_q_entry *mid,
47 struct TCP_Server_Info *server, bool log_error);
48extern struct mid_q_entry *smb2_setup_request(struct cifs_ses *ses,
49 struct TCP_Server_Info *,
50 struct smb_rqst *rqst);
51extern struct mid_q_entry *smb2_setup_async_request(
52 struct TCP_Server_Info *server, struct smb_rqst *rqst);
53extern struct cifs_ses *smb2_find_smb_ses(struct TCP_Server_Info *server,
54 __u64 ses_id);
55extern struct cifs_tcon *smb2_find_smb_tcon(struct TCP_Server_Info *server,
56 __u64 ses_id, __u32 tid);
57extern int smb2_calc_signature(struct smb_rqst *rqst,
58 struct TCP_Server_Info *server);
59extern int smb3_calc_signature(struct smb_rqst *rqst,
60 struct TCP_Server_Info *server);
61extern void smb2_echo_request(struct work_struct *work);
62extern __le32 smb2_get_lease_state(struct cifsInodeInfo *cinode);
63extern bool smb2_is_valid_oplock_break(char *buffer,
64 struct TCP_Server_Info *srv);
65extern struct cifs_ses *smb2_find_smb_ses(struct TCP_Server_Info *server,
66 __u64 ses_id);
67extern int smb3_handle_read_data(struct TCP_Server_Info *server,
68 struct mid_q_entry *mid);
69
70extern int open_shroot(unsigned int xid, struct cifs_tcon *tcon,
71 struct cifs_sb_info *cifs_sb, struct cifs_fid *pfid);
72extern void close_shroot(struct cached_fid *cfid);
73extern void close_shroot_lease(struct cached_fid *cfid);
74extern void close_shroot_lease_locked(struct cached_fid *cfid);
75extern void move_smb2_info_to_cifs(FILE_ALL_INFO *dst,
76 struct smb2_file_all_info *src);
77extern int smb2_query_path_info(const unsigned int xid, struct cifs_tcon *tcon,
78 struct cifs_sb_info *cifs_sb,
79 const char *full_path, FILE_ALL_INFO *data,
80 bool *adjust_tz, bool *symlink);
81extern int smb2_set_path_size(const unsigned int xid, struct cifs_tcon *tcon,
82 const char *full_path, __u64 size,
83 struct cifs_sb_info *cifs_sb, bool set_alloc);
84extern int smb2_set_file_info(struct inode *inode, const char *full_path,
85 FILE_BASIC_INFO *buf, const unsigned int xid);
86extern int smb311_posix_mkdir(const unsigned int xid, struct inode *inode,
87 umode_t mode, struct cifs_tcon *tcon,
88 const char *full_path,
89 struct cifs_sb_info *cifs_sb);
90extern int smb2_mkdir(const unsigned int xid, struct inode *inode,
91 umode_t mode, struct cifs_tcon *tcon,
92 const char *name, struct cifs_sb_info *cifs_sb);
93extern void smb2_mkdir_setinfo(struct inode *inode, const char *full_path,
94 struct cifs_sb_info *cifs_sb,
95 struct cifs_tcon *tcon, const unsigned int xid);
96extern int smb2_rmdir(const unsigned int xid, struct cifs_tcon *tcon,
97 const char *name, struct cifs_sb_info *cifs_sb);
98extern int smb2_unlink(const unsigned int xid, struct cifs_tcon *tcon,
99 const char *name, struct cifs_sb_info *cifs_sb);
100extern int smb2_rename_path(const unsigned int xid, struct cifs_tcon *tcon,
101 const char *from_name, const char *to_name,
102 struct cifs_sb_info *cifs_sb);
103extern int smb2_create_hardlink(const unsigned int xid, struct cifs_tcon *tcon,
104 const char *from_name, const char *to_name,
105 struct cifs_sb_info *cifs_sb);
106extern int smb3_create_mf_symlink(unsigned int xid, struct cifs_tcon *tcon,
107 struct cifs_sb_info *cifs_sb, const unsigned char *path,
108 char *pbuf, unsigned int *pbytes_written);
109extern int smb3_query_mf_symlink(unsigned int xid, struct cifs_tcon *tcon,
110 struct cifs_sb_info *cifs_sb,
111 const unsigned char *path, char *pbuf,
112 unsigned int *pbytes_read);
113extern int smb2_open_file(const unsigned int xid,
114 struct cifs_open_parms *oparms,
115 __u32 *oplock, FILE_ALL_INFO *buf);
116extern int smb2_unlock_range(struct cifsFileInfo *cfile,
117 struct file_lock *flock, const unsigned int xid);
118extern int smb2_push_mandatory_locks(struct cifsFileInfo *cfile);
119extern void smb2_reconnect_server(struct work_struct *work);
120extern int smb3_crypto_aead_allocate(struct TCP_Server_Info *server);
121extern unsigned long smb_rqst_len(struct TCP_Server_Info *server,
122 struct smb_rqst *rqst);
123extern void smb2_set_next_command(struct cifs_tcon *tcon,
124 struct smb_rqst *rqst);
125extern void smb2_set_related(struct smb_rqst *rqst);
126
127/*
128 * SMB2 Worker functions - most of protocol specific implementation details
129 * are contained within these calls.
130 */
131extern int SMB2_negotiate(const unsigned int xid, struct cifs_ses *ses);
132extern int SMB2_sess_setup(const unsigned int xid, struct cifs_ses *ses,
133 const struct nls_table *nls_cp);
134extern int SMB2_logoff(const unsigned int xid, struct cifs_ses *ses);
135extern int SMB2_tcon(const unsigned int xid, struct cifs_ses *ses,
136 const char *tree, struct cifs_tcon *tcon,
137 const struct nls_table *);
138extern int SMB2_tdis(const unsigned int xid, struct cifs_tcon *tcon);
139extern int SMB2_open(const unsigned int xid, struct cifs_open_parms *oparms,
140 __le16 *path, __u8 *oplock,
141 struct smb2_file_all_info *buf,
142 struct kvec *err_iov, int *resp_buftype);
143extern int SMB2_open_init(struct cifs_tcon *tcon, struct smb_rqst *rqst,
144 __u8 *oplock, struct cifs_open_parms *oparms,
145 __le16 *path);
146extern void SMB2_open_free(struct smb_rqst *rqst);
147extern int SMB2_ioctl(const unsigned int xid, struct cifs_tcon *tcon,
148 u64 persistent_fid, u64 volatile_fid, u32 opcode,
149 bool is_fsctl, char *in_data, u32 indatalen, u32 maxoutlen,
150 char **out_data, u32 *plen /* returned data len */);
151extern int SMB2_ioctl_init(struct cifs_tcon *tcon, 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);
155extern void SMB2_ioctl_free(struct smb_rqst *rqst);
156extern 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);
159
160extern 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);
163extern int SMB2_close(const unsigned int xid, struct cifs_tcon *tcon,
164 u64 persistent_file_id, u64 volatile_file_id);
165extern int SMB2_close_init(struct cifs_tcon *tcon, struct smb_rqst *rqst,
166 u64 persistent_fid, u64 volatile_fid, bool query_attrs);
167extern void SMB2_close_free(struct smb_rqst *rqst);
168extern int SMB2_flush(const unsigned int xid, struct cifs_tcon *tcon,
169 u64 persistent_file_id, u64 volatile_file_id);
170extern int SMB2_flush_init(const unsigned int xid, struct smb_rqst *rqst,
171 struct cifs_tcon *tcon,
172 u64 persistent_file_id, u64 volatile_file_id);
173extern void SMB2_flush_free(struct smb_rqst *rqst);
174extern int SMB2_query_info(const unsigned int xid, struct cifs_tcon *tcon,
175 u64 persistent_file_id, u64 volatile_file_id,
176 struct smb2_file_all_info *data);
177extern int SMB2_query_info_init(struct cifs_tcon *tcon, struct smb_rqst *rqst,
178 u64 persistent_fid, u64 volatile_fid,
179 u8 info_class, u8 info_type,
180 u32 additional_info, size_t output_len,
181 size_t input_len, void *input);
182extern void SMB2_query_info_free(struct smb_rqst *rqst);
183extern int SMB2_query_acl(const unsigned int xid, struct cifs_tcon *tcon,
184 u64 persistent_file_id, u64 volatile_file_id,
185 void **data, unsigned int *plen);
186extern int SMB2_get_srv_num(const unsigned int xid, struct cifs_tcon *tcon,
187 u64 persistent_fid, u64 volatile_fid,
188 __le64 *uniqueid);
189extern int smb2_async_readv(struct cifs_readdata *rdata);
190extern int SMB2_read(const unsigned int xid, struct cifs_io_parms *io_parms,
191 unsigned int *nbytes, char **buf, int *buf_type);
192extern int smb2_async_writev(struct cifs_writedata *wdata,
193 void (*release)(struct kref *kref));
194extern int SMB2_write(const unsigned int xid, struct cifs_io_parms *io_parms,
195 unsigned int *nbytes, struct kvec *iov, int n_vec);
196extern int SMB2_echo(struct TCP_Server_Info *server);
197extern int SMB2_query_directory(const unsigned int xid, struct cifs_tcon *tcon,
198 u64 persistent_fid, u64 volatile_fid, int index,
199 struct cifs_search_info *srch_inf);
200extern int SMB2_query_directory_init(unsigned int xid, struct cifs_tcon *tcon,
201 struct smb_rqst *rqst,
202 u64 persistent_fid, u64 volatile_fid,
203 int index, int info_level);
204extern void SMB2_query_directory_free(struct smb_rqst *rqst);
205extern int SMB2_set_eof(const unsigned int xid, struct cifs_tcon *tcon,
206 u64 persistent_fid, u64 volatile_fid, u32 pid,
207 __le64 *eof);
208extern int SMB2_set_info_init(struct cifs_tcon *tcon, struct smb_rqst *rqst,
209 u64 persistent_fid, u64 volatile_fid, u32 pid,
210 u8 info_class, u8 info_type, u32 additional_info,
211 void **data, unsigned int *size);
212extern void SMB2_set_info_free(struct smb_rqst *rqst);
213extern int SMB2_set_acl(const unsigned int xid, struct cifs_tcon *tcon,
214 u64 persistent_fid, u64 volatile_fid,
215 struct cifs_ntsd *pnntsd, int pacllen, int aclflag);
216extern int SMB2_set_ea(const unsigned int xid, struct cifs_tcon *tcon,
217 u64 persistent_fid, u64 volatile_fid,
218 struct smb2_file_full_ea_info *buf, int len);
219extern int SMB2_set_compression(const unsigned int xid, struct cifs_tcon *tcon,
220 u64 persistent_fid, u64 volatile_fid);
221extern int SMB2_oplock_break(const unsigned int xid, struct cifs_tcon *tcon,
222 const u64 persistent_fid, const u64 volatile_fid,
223 const __u8 oplock_level);
224extern int smb2_handle_cancelled_close(struct cifs_tcon *tcon,
225 __u64 persistent_fid,
226 __u64 volatile_fid);
227extern int smb2_handle_cancelled_mid(char *buffer,
228 struct TCP_Server_Info *server);
229void smb2_cancelled_close_fid(struct work_struct *work);
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);
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);
236extern int SMB2_QFS_attr(const unsigned int xid, struct cifs_tcon *tcon,
237 u64 persistent_file_id, u64 volatile_file_id, int lvl);
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);
246extern int SMB2_lease_break(const unsigned int xid, struct cifs_tcon *tcon,
247 __u8 *lease_key, const __le32 lease_state);
248extern int smb3_validate_negotiate(const unsigned int, struct cifs_tcon *);
249
250extern enum securityEnum smb2_select_sectype(struct TCP_Server_Info *,
251 enum securityEnum);
252extern void smb2_parse_contexts(struct TCP_Server_Info *server,
253 struct smb2_create_rsp *rsp,
254 unsigned int *epoch, char *lease_key,
255 __u8 *oplock, struct smb2_file_all_info *buf);
256extern int smb3_encryption_required(const struct cifs_tcon *tcon);
257extern int smb2_validate_iov(unsigned int offset, unsigned int buffer_length,
258 struct kvec *iov, unsigned int min_buf_size);
259extern int smb2_validate_and_copy_iov(unsigned int offset,
260 unsigned int buffer_length,
261 struct kvec *iov,
262 unsigned int minbufsize, char *data);
263extern void smb2_copy_fs_info_to_kstatfs(
264 struct smb2_fs_full_size_info *pfs_inf,
265 struct kstatfs *kst);
266extern int smb311_crypto_shash_allocate(struct TCP_Server_Info *server);
267extern int smb311_update_preauth_hash(struct cifs_ses *ses,
268 struct kvec *iov, int nvec);
269extern int smb2_query_info_compound(const unsigned int xid,
270 struct cifs_tcon *tcon,
271 __le16 *utf16_path, u32 desired_access,
272 u32 class, u32 type, u32 output_len,
273 struct kvec *rsp, int *buftype,
274 struct cifs_sb_info *cifs_sb);
275#endif /* _SMB2PROTO_H */