4 * Copyright (C) International Business Machines Corp., 2002, 2011
6 * Author(s): Pavel Shilovsky (pshilovsky@samba.org),
7 * Steve French (sfrench@us.ibm.com)
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
24 #include <linux/stat.h>
25 #include <linux/slab.h>
26 #include <linux/pagemap.h>
27 #include <asm/div64.h>
31 #include "cifsproto.h"
32 #include "cifs_debug.h"
33 #include "cifs_fs_sb.h"
34 #include "cifs_unicode.h"
38 #include "smb2proto.h"
41 smb2_open_op_close(const unsigned int xid
, struct cifs_tcon
*tcon
,
42 struct cifs_sb_info
*cifs_sb
, const char *full_path
,
43 __u32 desired_access
, __u32 create_disposition
,
44 __u32 file_attributes
, __u32 create_options
,
45 void *data
, int command
)
48 u64 persistent_fid
, volatile_fid
;
50 __u8 oplock
= SMB2_OPLOCK_LEVEL_NONE
;
52 utf16_path
= cifs_convert_path_to_utf16(full_path
, cifs_sb
);
56 rc
= SMB2_open(xid
, tcon
, utf16_path
, &persistent_fid
, &volatile_fid
,
57 desired_access
, create_disposition
, file_attributes
,
58 create_options
, &oplock
, NULL
);
67 case SMB2_OP_QUERY_INFO
:
68 tmprc
= SMB2_query_info(xid
, tcon
, persistent_fid
,
70 (struct smb2_file_all_info
*)data
);
74 * Directories are created through parameters in the
79 tmprc
= SMB2_rename(xid
, tcon
, persistent_fid
, volatile_fid
,
82 case SMB2_OP_HARDLINK
:
83 tmprc
= SMB2_set_hardlink(xid
, tcon
, persistent_fid
,
84 volatile_fid
, (__le16
*)data
);
87 tmprc
= SMB2_set_eof(xid
, tcon
, persistent_fid
, volatile_fid
,
88 current
->tgid
, (__le64
*)data
);
90 case SMB2_OP_SET_INFO
:
91 tmprc
= SMB2_set_info(xid
, tcon
, persistent_fid
, volatile_fid
,
92 (FILE_BASIC_INFO
*)data
);
95 cifs_dbg(VFS
, "Invalid command\n");
99 rc
= SMB2_close(xid
, tcon
, persistent_fid
, volatile_fid
);
107 move_smb2_info_to_cifs(FILE_ALL_INFO
*dst
, struct smb2_file_all_info
*src
)
109 memcpy(dst
, src
, (size_t)(&src
->CurrentByteOffset
) - (size_t)src
);
110 dst
->CurrentByteOffset
= src
->CurrentByteOffset
;
111 dst
->Mode
= src
->Mode
;
112 dst
->AlignmentRequirement
= src
->AlignmentRequirement
;
113 dst
->IndexNumber1
= 0; /* we don't use it */
117 smb2_query_path_info(const unsigned int xid
, struct cifs_tcon
*tcon
,
118 struct cifs_sb_info
*cifs_sb
, const char *full_path
,
119 FILE_ALL_INFO
*data
, bool *adjust_tz
)
122 struct smb2_file_all_info
*smb2_data
;
126 smb2_data
= kzalloc(sizeof(struct smb2_file_all_info
) + MAX_NAME
* 2,
128 if (smb2_data
== NULL
)
131 rc
= smb2_open_op_close(xid
, tcon
, cifs_sb
, full_path
,
132 FILE_READ_ATTRIBUTES
, FILE_OPEN
, 0, 0,
133 smb2_data
, SMB2_OP_QUERY_INFO
);
137 move_smb2_info_to_cifs(data
, smb2_data
);
144 smb2_mkdir(const unsigned int xid
, struct cifs_tcon
*tcon
, const char *name
,
145 struct cifs_sb_info
*cifs_sb
)
147 return smb2_open_op_close(xid
, tcon
, cifs_sb
, name
,
148 FILE_WRITE_ATTRIBUTES
, FILE_CREATE
, 0,
149 CREATE_NOT_FILE
, NULL
, SMB2_OP_MKDIR
);
153 smb2_mkdir_setinfo(struct inode
*inode
, const char *name
,
154 struct cifs_sb_info
*cifs_sb
, struct cifs_tcon
*tcon
,
155 const unsigned int xid
)
157 FILE_BASIC_INFO data
;
158 struct cifsInodeInfo
*cifs_i
;
162 memset(&data
, 0, sizeof(data
));
163 cifs_i
= CIFS_I(inode
);
164 dosattrs
= cifs_i
->cifsAttrs
| ATTR_READONLY
;
165 data
.Attributes
= cpu_to_le32(dosattrs
);
166 tmprc
= smb2_open_op_close(xid
, tcon
, cifs_sb
, name
,
167 FILE_WRITE_ATTRIBUTES
, FILE_CREATE
, 0,
168 CREATE_NOT_FILE
, &data
, SMB2_OP_SET_INFO
);
170 cifs_i
->cifsAttrs
= dosattrs
;
174 smb2_rmdir(const unsigned int xid
, struct cifs_tcon
*tcon
, const char *name
,
175 struct cifs_sb_info
*cifs_sb
)
177 return smb2_open_op_close(xid
, tcon
, cifs_sb
, name
, DELETE
, FILE_OPEN
,
178 0, CREATE_NOT_FILE
| CREATE_DELETE_ON_CLOSE
,
179 NULL
, SMB2_OP_DELETE
);
183 smb2_unlink(const unsigned int xid
, struct cifs_tcon
*tcon
, const char *name
,
184 struct cifs_sb_info
*cifs_sb
)
186 return smb2_open_op_close(xid
, tcon
, cifs_sb
, name
, DELETE
, FILE_OPEN
,
187 0, CREATE_DELETE_ON_CLOSE
, NULL
,
192 smb2_set_path_attr(const unsigned int xid
, struct cifs_tcon
*tcon
,
193 const char *from_name
, const char *to_name
,
194 struct cifs_sb_info
*cifs_sb
, __u32 access
, int command
)
196 __le16
*smb2_to_name
= NULL
;
199 smb2_to_name
= cifs_convert_path_to_utf16(to_name
, cifs_sb
);
200 if (smb2_to_name
== NULL
) {
202 goto smb2_rename_path
;
205 rc
= smb2_open_op_close(xid
, tcon
, cifs_sb
, from_name
, access
,
206 FILE_OPEN
, 0, 0, smb2_to_name
, command
);
213 smb2_rename_path(const unsigned int xid
, struct cifs_tcon
*tcon
,
214 const char *from_name
, const char *to_name
,
215 struct cifs_sb_info
*cifs_sb
)
217 return smb2_set_path_attr(xid
, tcon
, from_name
, to_name
, cifs_sb
,
218 DELETE
, SMB2_OP_RENAME
);
222 smb2_create_hardlink(const unsigned int xid
, struct cifs_tcon
*tcon
,
223 const char *from_name
, const char *to_name
,
224 struct cifs_sb_info
*cifs_sb
)
226 return smb2_set_path_attr(xid
, tcon
, from_name
, to_name
, cifs_sb
,
227 FILE_READ_ATTRIBUTES
, SMB2_OP_HARDLINK
);
231 smb2_set_path_size(const unsigned int xid
, struct cifs_tcon
*tcon
,
232 const char *full_path
, __u64 size
,
233 struct cifs_sb_info
*cifs_sb
, bool set_alloc
)
235 __le64 eof
= cpu_to_le64(size
);
236 return smb2_open_op_close(xid
, tcon
, cifs_sb
, full_path
,
237 FILE_WRITE_DATA
, FILE_OPEN
, 0, 0, &eof
,
242 smb2_set_file_info(struct inode
*inode
, const char *full_path
,
243 FILE_BASIC_INFO
*buf
, const unsigned int xid
)
245 struct cifs_sb_info
*cifs_sb
= CIFS_SB(inode
->i_sb
);
246 struct tcon_link
*tlink
;
249 tlink
= cifs_sb_tlink(cifs_sb
);
251 return PTR_ERR(tlink
);
252 rc
= smb2_open_op_close(xid
, tlink_tcon(tlink
), cifs_sb
, full_path
,
253 FILE_WRITE_ATTRIBUTES
, FILE_OPEN
, 0, 0, buf
,
255 cifs_put_tlink(tlink
);
This page took 0.035915 seconds and 6 git commands to generate.