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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 smb_rqst *rqst);
50extern struct mid_q_entry *smb2_setup_async_request(
51 struct TCP_Server_Info *server, struct smb_rqst *rqst);
52extern struct cifs_ses *smb2_find_smb_ses(struct TCP_Server_Info *server,
53 __u64 ses_id);
54extern struct cifs_tcon *smb2_find_smb_tcon(struct TCP_Server_Info *server,
55 __u64 ses_id, __u32 tid);
56extern int smb2_calc_signature(struct smb_rqst *rqst,
57 struct TCP_Server_Info *server);
58extern int smb3_calc_signature(struct smb_rqst *rqst,
59 struct TCP_Server_Info *server);
60extern void smb2_echo_request(struct work_struct *work);
61extern __le32 smb2_get_lease_state(struct cifsInodeInfo *cinode);
62extern bool smb2_is_valid_oplock_break(char *buffer,
63 struct TCP_Server_Info *srv);
64extern struct cifs_ses *smb2_find_smb_ses(struct TCP_Server_Info *server,
65 __u64 ses_id);
66extern int smb3_handle_read_data(struct TCP_Server_Info *server,
67 struct mid_q_entry *mid);
68
69extern int open_shroot(unsigned int xid, struct cifs_tcon *tcon,
70 struct cifs_fid *pfid);
71extern void close_shroot(struct cached_fid *cfid);
72extern void move_smb2_info_to_cifs(FILE_ALL_INFO *dst,
73 struct smb2_file_all_info *src);
74extern int smb2_query_path_info(const unsigned int xid, struct cifs_tcon *tcon,
75 struct cifs_sb_info *cifs_sb,
76 const char *full_path, FILE_ALL_INFO *data,
77 bool *adjust_tz, bool *symlink);
78extern int smb2_set_path_size(const unsigned int xid, struct cifs_tcon *tcon,
79 const char *full_path, __u64 size,
80 struct cifs_sb_info *cifs_sb, bool set_alloc);
81extern int smb2_set_file_info(struct inode *inode, const char *full_path,
82 FILE_BASIC_INFO *buf, const unsigned int xid);
83extern int smb311_posix_mkdir(const unsigned int xid, struct inode *inode,
84 umode_t mode, struct cifs_tcon *tcon,
85 const char *full_path,
86 struct cifs_sb_info *cifs_sb);
87extern int smb2_mkdir(const unsigned int xid, struct inode *inode,
88 umode_t mode, struct cifs_tcon *tcon,
89 const char *name, struct cifs_sb_info *cifs_sb);
90extern void smb2_mkdir_setinfo(struct inode *inode, const char *full_path,
91 struct cifs_sb_info *cifs_sb,
92 struct cifs_tcon *tcon, const unsigned int xid);
93extern int smb2_rmdir(const unsigned int xid, struct cifs_tcon *tcon,
94 const char *name, struct cifs_sb_info *cifs_sb);
95extern int smb2_unlink(const unsigned int xid, struct cifs_tcon *tcon,
96 const char *name, struct cifs_sb_info *cifs_sb);
97extern int smb2_rename_path(const unsigned int xid, struct cifs_tcon *tcon,
98 const char *from_name, const char *to_name,
99 struct cifs_sb_info *cifs_sb);
100extern int smb2_create_hardlink(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 smb3_create_mf_symlink(unsigned int xid, struct cifs_tcon *tcon,
104 struct cifs_sb_info *cifs_sb, const unsigned char *path,
105 char *pbuf, unsigned int *pbytes_written);
106extern int smb3_query_mf_symlink(unsigned int xid, struct cifs_tcon *tcon,
107 struct cifs_sb_info *cifs_sb,
108 const unsigned char *path, char *pbuf,
109 unsigned int *pbytes_read);
110extern int smb2_open_file(const unsigned int xid,
111 struct cifs_open_parms *oparms,
112 __u32 *oplock, FILE_ALL_INFO *buf);
113extern int smb2_unlock_range(struct cifsFileInfo *cfile,
114 struct file_lock *flock, const unsigned int xid);
115extern int smb2_push_mandatory_locks(struct cifsFileInfo *cfile);
116extern void smb2_reconnect_server(struct work_struct *work);
117extern int smb3_crypto_aead_allocate(struct TCP_Server_Info *server);
118extern unsigned long smb_rqst_len(struct TCP_Server_Info *server,
119 struct smb_rqst *rqst);
120extern void smb2_set_next_command(struct cifs_tcon *tcon,
121 struct smb_rqst *rqst);
122extern void smb2_set_related(struct smb_rqst *rqst);
123
124/*
125 * SMB2 Worker functions - most of protocol specific implementation details
126 * are contained within these calls.
127 */
128extern int SMB2_negotiate(const unsigned int xid, struct cifs_ses *ses);
129extern int SMB2_sess_setup(const unsigned int xid, struct cifs_ses *ses,
130 const struct nls_table *nls_cp);
131extern int SMB2_logoff(const unsigned int xid, struct cifs_ses *ses);
132extern int SMB2_tcon(const unsigned int xid, struct cifs_ses *ses,
133 const char *tree, struct cifs_tcon *tcon,
134 const struct nls_table *);
135extern int SMB2_tdis(const unsigned int xid, struct cifs_tcon *tcon);
136extern int SMB2_open(const unsigned int xid, struct cifs_open_parms *oparms,
137 __le16 *path, __u8 *oplock,
138 struct smb2_file_all_info *buf,
139 struct kvec *err_iov, int *resp_buftype);
140extern int SMB2_open_init(struct cifs_tcon *tcon, struct smb_rqst *rqst,
141 __u8 *oplock, struct cifs_open_parms *oparms,
142 __le16 *path);
143extern void SMB2_open_free(struct smb_rqst *rqst);
144extern int SMB2_ioctl(const unsigned int xid, struct cifs_tcon *tcon,
145 u64 persistent_fid, u64 volatile_fid, u32 opcode,
146 bool is_fsctl, char *in_data, u32 indatalen, u32 maxoutlen,
147 char **out_data, u32 *plen /* returned data len */);
148extern int SMB2_ioctl_init(struct cifs_tcon *tcon, struct smb_rqst *rqst,
149 u64 persistent_fid, u64 volatile_fid, u32 opcode,
150 bool is_fsctl, char *in_data, u32 indatalen,
151 __u32 max_response_size);
152extern void SMB2_ioctl_free(struct smb_rqst *rqst);
153extern int SMB2_change_notify(const unsigned int xid, struct cifs_tcon *tcon,
154 u64 persistent_fid, u64 volatile_fid, bool watch_tree,
155 u32 completion_filter);
156
157extern int SMB2_close(const unsigned int xid, struct cifs_tcon *tcon,
158 u64 persistent_file_id, u64 volatile_file_id);
159extern int SMB2_close_flags(const unsigned int xid, struct cifs_tcon *tcon,
160 u64 persistent_fid, u64 volatile_fid, int flags);
161extern int SMB2_close_init(struct cifs_tcon *tcon, struct smb_rqst *rqst,
162 u64 persistent_file_id, u64 volatile_file_id);
163extern void SMB2_close_free(struct smb_rqst *rqst);
164extern int SMB2_flush(const unsigned int xid, struct cifs_tcon *tcon,
165 u64 persistent_file_id, u64 volatile_file_id);
166extern int SMB2_flush_init(const unsigned int xid, struct smb_rqst *rqst,
167 struct cifs_tcon *tcon,
168 u64 persistent_file_id, u64 volatile_file_id);
169extern void SMB2_flush_free(struct smb_rqst *rqst);
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);
173extern int SMB2_query_info_init(struct cifs_tcon *tcon, struct smb_rqst *rqst,
174 u64 persistent_fid, u64 volatile_fid,
175 u8 info_class, u8 info_type,
176 u32 additional_info, size_t output_len,
177 size_t input_len, void *input);
178extern void SMB2_query_info_free(struct smb_rqst *rqst);
179extern int SMB2_query_acl(const unsigned int xid, struct cifs_tcon *tcon,
180 u64 persistent_file_id, u64 volatile_file_id,
181 void **data, unsigned int *plen);
182extern int SMB2_get_srv_num(const unsigned int xid, struct cifs_tcon *tcon,
183 u64 persistent_fid, u64 volatile_fid,
184 __le64 *uniqueid);
185extern int smb2_async_readv(struct cifs_readdata *rdata);
186extern int SMB2_read(const unsigned int xid, struct cifs_io_parms *io_parms,
187 unsigned int *nbytes, char **buf, int *buf_type);
188extern int smb2_async_writev(struct cifs_writedata *wdata,
189 void (*release)(struct kref *kref));
190extern int SMB2_write(const unsigned int xid, struct cifs_io_parms *io_parms,
191 unsigned int *nbytes, struct kvec *iov, int n_vec);
192extern int SMB2_echo(struct TCP_Server_Info *server);
193extern int SMB2_query_directory(const unsigned int xid, struct cifs_tcon *tcon,
194 u64 persistent_fid, u64 volatile_fid, int index,
195 struct cifs_search_info *srch_inf);
196extern int SMB2_set_eof(const unsigned int xid, struct cifs_tcon *tcon,
197 u64 persistent_fid, u64 volatile_fid, u32 pid,
198 __le64 *eof);
199extern int SMB2_set_info_init(struct cifs_tcon *tcon, struct smb_rqst *rqst,
200 u64 persistent_fid, u64 volatile_fid, u32 pid,
201 u8 info_class, u8 info_type, u32 additional_info,
202 void **data, unsigned int *size);
203extern void SMB2_set_info_free(struct smb_rqst *rqst);
204extern int SMB2_set_acl(const unsigned int xid, struct cifs_tcon *tcon,
205 u64 persistent_fid, u64 volatile_fid,
206 struct cifs_ntsd *pnntsd, int pacllen, int aclflag);
207extern int SMB2_set_ea(const unsigned int xid, struct cifs_tcon *tcon,
208 u64 persistent_fid, u64 volatile_fid,
209 struct smb2_file_full_ea_info *buf, int len);
210extern int SMB2_set_compression(const unsigned int xid, struct cifs_tcon *tcon,
211 u64 persistent_fid, u64 volatile_fid);
212extern int SMB2_oplock_break(const unsigned int xid, struct cifs_tcon *tcon,
213 const u64 persistent_fid, const u64 volatile_fid,
214 const __u8 oplock_level);
215extern int smb2_handle_cancelled_mid(char *buffer,
216 struct TCP_Server_Info *server);
217void smb2_cancelled_close_fid(struct work_struct *work);
218extern int SMB2_QFS_info(const unsigned int xid, struct cifs_tcon *tcon,
219 u64 persistent_file_id, u64 volatile_file_id,
220 struct kstatfs *FSData);
221extern int SMB311_posix_qfs_info(const unsigned int xid, struct cifs_tcon *tcon,
222 u64 persistent_file_id, u64 volatile_file_id,
223 struct kstatfs *FSData);
224extern int SMB2_QFS_attr(const unsigned int xid, struct cifs_tcon *tcon,
225 u64 persistent_file_id, u64 volatile_file_id, int lvl);
226extern int SMB2_lock(const unsigned int xid, struct cifs_tcon *tcon,
227 const __u64 persist_fid, const __u64 volatile_fid,
228 const __u32 pid, const __u64 length, const __u64 offset,
229 const __u32 lockFlags, const bool wait);
230extern int smb2_lockv(const unsigned int xid, struct cifs_tcon *tcon,
231 const __u64 persist_fid, const __u64 volatile_fid,
232 const __u32 pid, const __u32 num_lock,
233 struct smb2_lock_element *buf);
234extern int SMB2_lease_break(const unsigned int xid, struct cifs_tcon *tcon,
235 __u8 *lease_key, const __le32 lease_state);
236extern int smb3_validate_negotiate(const unsigned int, struct cifs_tcon *);
237
238extern enum securityEnum smb2_select_sectype(struct TCP_Server_Info *,
239 enum securityEnum);
240extern void smb2_parse_contexts(struct TCP_Server_Info *server,
241 struct smb2_create_rsp *rsp,
242 unsigned int *epoch, char *lease_key,
243 __u8 *oplock, struct smb2_file_all_info *buf);
244extern int smb3_encryption_required(const struct cifs_tcon *tcon);
245extern int smb2_validate_iov(unsigned int offset, unsigned int buffer_length,
246 struct kvec *iov, unsigned int min_buf_size);
247extern int smb2_validate_and_copy_iov(unsigned int offset,
248 unsigned int buffer_length,
249 struct kvec *iov,
250 unsigned int minbufsize, char *data);
251extern void smb2_copy_fs_info_to_kstatfs(
252 struct smb2_fs_full_size_info *pfs_inf,
253 struct kstatfs *kst);
254extern int smb311_crypto_shash_allocate(struct TCP_Server_Info *server);
255extern int smb311_update_preauth_hash(struct cifs_ses *ses,
256 struct kvec *iov, int nvec);
257extern int smb2_query_info_compound(const unsigned int xid,
258 struct cifs_tcon *tcon,
259 __le16 *utf16_path, u32 desired_access,
260 u32 class, u32 type, u32 output_len,
261 struct kvec *rsp, int *buftype,
262 struct cifs_sb_info *cifs_sb);
263#endif /* _SMB2PROTO_H */