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[CIFS] Add write perm for usr to file on windows should remove r/o dos attr

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Remove read only dos attribute on chmod when adding any write permission (ie on any of
user/group/other (not all of user/group/other ie  0222) when
mounted to windows.

Suggested by: Urs Fleisch

Signed-off-by: Urs Fleisch <urs.fleisch@gmail.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
This commit is contained in:
Steve French 2007-04-06 19:28:16 +00:00
parent 3a9f462f6d
commit 5268df2ead
2 changed files with 15 additions and 12 deletions
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5
fs/cifs/CHANGES
View File

@ -9,7 +9,10 @@ from read-only back to read-write, reflect this change in default file mode
(we had been leaving a file's mode read-only until the inode were reloaded).
Allow setting of attribute back to ATTR_NORMAL (removing readonly dos attribute
when archive dos attribute not set and we are changing mode back to writeable
on server which does not support the Unix Extensions).
on server which does not support the Unix Extensions). Remove read only dos
attribute on chmod when adding any write permission (ie on any of
user/group/other (not all of user/group/other ie 0222) when
mounted to windows.
Version 1.47
------------

22
fs/cifs/inode.c
View File

@ -1339,17 +1339,17 @@ int cifs_setattr(struct dentry *direntry, struct iattr *attrs)
cpu_to_le32(cifsInode->cifsAttrs |
ATTR_READONLY);
}
} else if ((mode & S_IWUGO) == S_IWUGO) {
if (cifsInode->cifsAttrs & ATTR_READONLY) {
set_dosattr = TRUE;
time_buf.Attributes =
cpu_to_le32(cifsInode->cifsAttrs &
(~ATTR_READONLY));
/* Windows ignores set to zero */
if(time_buf.Attributes == 0)
time_buf.Attributes |=
cpu_to_le32(ATTR_NORMAL);
}
} else if (cifsInode->cifsAttrs & ATTR_READONLY) {
/* If file is readonly on server, we would
not be able to write to it - so if any write
bit is enabled for user or group or other we
need to at least try to remove r/o dos attr */
set_dosattr = TRUE;
time_buf.Attributes = cpu_to_le32(cifsInode->cifsAttrs &
(~ATTR_READONLY));
/* Windows ignores set to zero */
if(time_buf.Attributes == 0)
time_buf.Attributes |= cpu_to_le32(ATTR_NORMAL);
}
/* BB to be implemented -
via Windows security descriptors or streams */