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Kirill Smelkov
linux
Commits
afe48c31
Commit
afe48c31
authored
May 02, 2009
by
Steve French
Browse files
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[CIFS] Fix final user of old string conversion code
Signed-off-by:
Steve French
<
sfrench@us.ibm.com
>
parent
34106027
Changes
1
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Showing
1 changed file
with
38 additions
and
42 deletions
+38
-42
fs/cifs/cifssmb.c
fs/cifs/cifssmb.c
+38
-42
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fs/cifs/cifssmb.c
View file @
afe48c31
...
...
@@ -2564,7 +2564,6 @@ validate_ntransact(char *buf, char **ppparm, char **ppdata,
*
pparmlen
=
parm_count
;
return
0
;
}
#endif
/* CIFS_EXPERIMENTAL */
int
CIFSSMBQueryReparseLinkInfo
(
const
int
xid
,
struct
cifsTconInfo
*
tcon
,
...
...
@@ -2611,59 +2610,55 @@ CIFSSMBQueryReparseLinkInfo(const int xid, struct cifsTconInfo *tcon,
}
else
{
/* decode response */
__u32
data_offset
=
le32_to_cpu
(
pSMBr
->
DataOffset
);
__u32
data_count
=
le32_to_cpu
(
pSMBr
->
DataCount
);
if
((
pSMBr
->
ByteCount
<
2
)
||
(
data_offset
>
512
))
if
((
pSMBr
->
ByteCount
<
2
)
||
(
data_offset
>
512
))
{
/* BB also check enough total bytes returned */
rc
=
-
EIO
;
/* bad smb */
else
{
if
(
data_count
&&
(
data_count
<
2048
))
{
char
*
end_of_smb
=
2
/* sizeof byte count */
+
pSMBr
->
ByteCount
+
(
char
*
)
&
pSMBr
->
ByteCount
;
goto
qreparse_out
;
}
if
(
data_count
&&
(
data_count
<
2048
))
{
char
*
end_of_smb
=
2
/* sizeof byte count */
+
pSMBr
->
ByteCount
+
(
char
*
)
&
pSMBr
->
ByteCount
;
struct
reparse_data
*
reparse_buf
=
struct
reparse_data
*
reparse_buf
=
(
struct
reparse_data
*
)
((
char
*
)
&
pSMBr
->
hdr
.
Protocol
+
data_offset
);
if
((
char
*
)
reparse_buf
>=
end_of_smb
)
{
rc
=
-
EIO
;
goto
qreparse_out
;
}
if
((
reparse_buf
->
LinkNamesBuf
+
reparse_buf
->
TargetNameOffset
+
reparse_buf
->
TargetNameLen
)
>
end_of_smb
)
{
cFYI
(
1
,
(
"reparse buf beyond SMB"
));
rc
=
-
EIO
;
goto
qreparse_out
;
}
if
((
char
*
)
reparse_buf
>=
end_of_smb
)
{
rc
=
-
EIO
;
goto
qreparse_out
;
}
if
((
reparse_buf
->
LinkNamesBuf
+
reparse_buf
->
TargetNameOffset
+
reparse_buf
->
TargetNameLen
)
>
end_of_smb
)
{
cFYI
(
1
,
(
"reparse buf beyond SMB"
));
rc
=
-
EIO
;
goto
qreparse_out
;
}
if
(
pSMBr
->
hdr
.
Flags2
&
SMBFLG2_UNICODE
)
{
name_len
=
UniStrnlen
((
wchar_t
*
)
if
(
pSMBr
->
hdr
.
Flags2
&
SMBFLG2_UNICODE
)
{
cifs_from_ucs2
(
symlinkinfo
,
(
__le16
*
)
(
reparse_buf
->
LinkNamesBuf
+
reparse_buf
->
TargetNameOffset
),
min
(
buflen
/
2
,
reparse_buf
->
TargetNameLen
/
2
));
cifs_strfromUCS_le
(
symlinkinfo
,
(
__le16
*
)
(
reparse_buf
->
LinkNamesBuf
+
reparse_buf
->
TargetNameOffset
),
name_len
,
nls_codepage
);
}
else
{
/* ASCII names */
strncpy
(
symlinkinfo
,
reparse_buf
->
LinkNamesBuf
+
reparse_buf
->
TargetNameOffset
,
min_t
(
const
int
,
buflen
,
reparse_buf
->
TargetNameLen
));
}
}
else
{
rc
=
-
EIO
;
cFYI
(
1
,
(
"Invalid return data count on "
"get reparse info ioctl"
));
buflen
,
reparse_buf
->
TargetNameLen
,
nls_codepage
,
0
);
}
else
{
/* ASCII names */
strncpy
(
symlinkinfo
,
reparse_buf
->
LinkNamesBuf
+
reparse_buf
->
TargetNameOffset
,
min_t
(
const
int
,
buflen
,
reparse_buf
->
TargetNameLen
));
}
symlinkinfo
[
buflen
]
=
0
;
/* just in case so the caller
does not go off the end of the buffer */
cFYI
(
1
,
(
"readlink result - %s"
,
symlinkinfo
));
}
else
{
rc
=
-
EIO
;
cFYI
(
1
,
(
"Invalid return data count on "
"get reparse info ioctl"
));
}
symlinkinfo
[
buflen
]
=
0
;
/* just in case so the caller
does not go off the end of the buffer */
cFYI
(
1
,
(
"readlink result - %s"
,
symlinkinfo
));
}
qreparse_out:
cifs_buf_release
(
pSMB
);
...
...
@@ -2672,6 +2667,7 @@ CIFSSMBQueryReparseLinkInfo(const int xid, struct cifsTconInfo *tcon,
return
rc
;
}
#endif
/* CIFS_EXPERIMENTAL */
#ifdef CONFIG_CIFS_POSIX
...
...
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