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 create_options
, void *data
, int command
)
48 __u8 oplock
= SMB2_OPLOCK_LEVEL_NONE
;
49 struct cifs_open_parms oparms
;
52 utf16_path
= cifs_convert_path_to_utf16(full_path
, cifs_sb
);
57 oparms
.desired_access
= desired_access
;
58 oparms
.disposition
= create_disposition
;
59 oparms
.create_options
= create_options
;
61 oparms
.reconnect
= false;
63 rc
= SMB2_open(xid
, &oparms
, utf16_path
, &oplock
, NULL
, NULL
);
72 case SMB2_OP_QUERY_INFO
:
73 tmprc
= SMB2_query_info(xid
, tcon
, fid
.persistent_fid
,
75 (struct smb2_file_all_info
*)data
);
79 * Directories are created through parameters in the
84 tmprc
= SMB2_rename(xid
, tcon
, fid
.persistent_fid
,
85 fid
.volatile_fid
, (__le16
*)data
);
87 case SMB2_OP_HARDLINK
:
88 tmprc
= SMB2_set_hardlink(xid
, tcon
, fid
.persistent_fid
,
89 fid
.volatile_fid
, (__le16
*)data
);
92 tmprc
= SMB2_set_eof(xid
, tcon
, fid
.persistent_fid
,
93 fid
.volatile_fid
, current
->tgid
,
96 case SMB2_OP_SET_INFO
:
97 tmprc
= SMB2_set_info(xid
, tcon
, fid
.persistent_fid
,
99 (FILE_BASIC_INFO
*)data
);
102 cifs_dbg(VFS
, "Invalid command\n");
106 rc
= SMB2_close(xid
, tcon
, fid
.persistent_fid
, fid
.volatile_fid
);
114 move_smb2_info_to_cifs(FILE_ALL_INFO
*dst
, struct smb2_file_all_info
*src
)
116 memcpy(dst
, src
, (size_t)(&src
->CurrentByteOffset
) - (size_t)src
);
117 dst
->CurrentByteOffset
= src
->CurrentByteOffset
;
118 dst
->Mode
= src
->Mode
;
119 dst
->AlignmentRequirement
= src
->AlignmentRequirement
;
120 dst
->IndexNumber1
= 0; /* we don't use it */
124 smb2_query_path_info(const unsigned int xid
, struct cifs_tcon
*tcon
,
125 struct cifs_sb_info
*cifs_sb
, const char *full_path
,
126 FILE_ALL_INFO
*data
, bool *adjust_tz
)
129 struct smb2_file_all_info
*smb2_data
;
133 smb2_data
= kzalloc(sizeof(struct smb2_file_all_info
) + MAX_NAME
* 2,
135 if (smb2_data
== NULL
)
138 rc
= smb2_open_op_close(xid
, tcon
, cifs_sb
, full_path
,
139 FILE_READ_ATTRIBUTES
, FILE_OPEN
,
140 OPEN_REPARSE_POINT
, smb2_data
,
145 move_smb2_info_to_cifs(data
, smb2_data
);
152 smb2_mkdir(const unsigned int xid
, struct cifs_tcon
*tcon
, const char *name
,
153 struct cifs_sb_info
*cifs_sb
)
155 return smb2_open_op_close(xid
, tcon
, cifs_sb
, name
,
156 FILE_WRITE_ATTRIBUTES
, FILE_CREATE
,
157 CREATE_NOT_FILE
, NULL
, SMB2_OP_MKDIR
);
161 smb2_mkdir_setinfo(struct inode
*inode
, const char *name
,
162 struct cifs_sb_info
*cifs_sb
, struct cifs_tcon
*tcon
,
163 const unsigned int xid
)
165 FILE_BASIC_INFO data
;
166 struct cifsInodeInfo
*cifs_i
;
170 memset(&data
, 0, sizeof(data
));
171 cifs_i
= CIFS_I(inode
);
172 dosattrs
= cifs_i
->cifsAttrs
| ATTR_READONLY
;
173 data
.Attributes
= cpu_to_le32(dosattrs
);
174 tmprc
= smb2_open_op_close(xid
, tcon
, cifs_sb
, name
,
175 FILE_WRITE_ATTRIBUTES
, FILE_CREATE
,
176 CREATE_NOT_FILE
, &data
, SMB2_OP_SET_INFO
);
178 cifs_i
->cifsAttrs
= dosattrs
;
182 smb2_rmdir(const unsigned int xid
, struct cifs_tcon
*tcon
, const char *name
,
183 struct cifs_sb_info
*cifs_sb
)
185 return smb2_open_op_close(xid
, tcon
, cifs_sb
, name
, DELETE
, FILE_OPEN
,
186 CREATE_NOT_FILE
| CREATE_DELETE_ON_CLOSE
,
187 NULL
, SMB2_OP_DELETE
);
191 smb2_unlink(const unsigned int xid
, struct cifs_tcon
*tcon
, const char *name
,
192 struct cifs_sb_info
*cifs_sb
)
194 return smb2_open_op_close(xid
, tcon
, cifs_sb
, name
, DELETE
, FILE_OPEN
,
195 CREATE_DELETE_ON_CLOSE
| OPEN_REPARSE_POINT
,
196 NULL
, SMB2_OP_DELETE
);
200 smb2_set_path_attr(const unsigned int xid
, struct cifs_tcon
*tcon
,
201 const char *from_name
, const char *to_name
,
202 struct cifs_sb_info
*cifs_sb
, __u32 access
, int command
)
204 __le16
*smb2_to_name
= NULL
;
207 smb2_to_name
= cifs_convert_path_to_utf16(to_name
, cifs_sb
);
208 if (smb2_to_name
== NULL
) {
210 goto smb2_rename_path
;
213 rc
= smb2_open_op_close(xid
, tcon
, cifs_sb
, from_name
, access
,
214 FILE_OPEN
, 0, smb2_to_name
, command
);
221 smb2_rename_path(const unsigned int xid
, struct cifs_tcon
*tcon
,
222 const char *from_name
, const char *to_name
,
223 struct cifs_sb_info
*cifs_sb
)
225 return smb2_set_path_attr(xid
, tcon
, from_name
, to_name
, cifs_sb
,
226 DELETE
, SMB2_OP_RENAME
);
230 smb2_create_hardlink(const unsigned int xid
, struct cifs_tcon
*tcon
,
231 const char *from_name
, const char *to_name
,
232 struct cifs_sb_info
*cifs_sb
)
234 return smb2_set_path_attr(xid
, tcon
, from_name
, to_name
, cifs_sb
,
235 FILE_READ_ATTRIBUTES
, SMB2_OP_HARDLINK
);
239 smb2_set_path_size(const unsigned int xid
, struct cifs_tcon
*tcon
,
240 const char *full_path
, __u64 size
,
241 struct cifs_sb_info
*cifs_sb
, bool set_alloc
)
243 __le64 eof
= cpu_to_le64(size
);
244 return smb2_open_op_close(xid
, tcon
, cifs_sb
, full_path
,
245 FILE_WRITE_DATA
, FILE_OPEN
, 0, &eof
,
250 smb2_set_file_info(struct inode
*inode
, const char *full_path
,
251 FILE_BASIC_INFO
*buf
, const unsigned int xid
)
253 struct cifs_sb_info
*cifs_sb
= CIFS_SB(inode
->i_sb
);
254 struct tcon_link
*tlink
;
257 tlink
= cifs_sb_tlink(cifs_sb
);
259 return PTR_ERR(tlink
);
260 rc
= smb2_open_op_close(xid
, tlink_tcon(tlink
), cifs_sb
, full_path
,
261 FILE_WRITE_ATTRIBUTES
, FILE_OPEN
, 0, buf
,
263 cifs_put_tlink(tlink
);
This page took 0.035668 seconds and 6 git commands to generate.