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* fhandler.cc (fhandler_base::open): Accomodate query_write_control

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query_state.
	(fhandler_base::fchown): New method.
	* fhandler.h: Declare fchown method in fhandler_base,
	fhandler_disk_file and fhandler_virtual.
	(enum query_state): Add query_write_control.
	* fhandler_disk_file.cc (fhandler_disk_file::fchmod): Set query_state
	to query_write_control.  Only remove FILE_ATTRIBUTE_READONLY if not
	setting security descriptor.
	(fhandler_disk_file::fchown): New method.
	* fhandler_virtual.cc (fhandler_virtual::fchown): New method.
	* sec_acl.cc (setacl): Call write_sd with additional handle attribute.
	* security.cc (write_sd): Take handle argument.  Only request owner
	if getting SE_RESTORE_NAME privilege failed.  Only open file if
	NtSetSecurityObject failed or handle is NULL.
	(set_nt_attribute): Call write_sd with additional handle attribute.
	* security.h (write_sd): Declare with additional handle argument.
This commit is contained in:
Corinna Vinschen
2004-04-14 13:40:07 +00:00
parent ba1a97a18b
commit ddf9c4a744
8 changed files with 129 additions and 39 deletions
Download Patch File Download Diff File Expand all files Collapse all files

45
winsup/cygwin/fhandler_disk_file.cc
View File

@@ -377,14 +377,18 @@ fhandler_disk_file::fchmod (mode_t mode)
if (pc.is_fs_special ())
return chmod_device (pc, mode);
query_open (query_read_control);
if (!get_io_handle () && !(oret = open_fs (O_BINARY, 0)))
return -1;
if (!get_io_handle ())
{
query_open (query_write_control);
if (!(oret = open_fs (O_BINARY, 0)))
return -1;
}
SetFileAttributes (get_win32_name (), (DWORD) pc & ~FILE_ATTRIBUTE_READONLY);
if (!allow_ntsec && allow_ntea) /* Not necessary when manipulating SD. */
SetFileAttributes (pc, (DWORD) pc & ~FILE_ATTRIBUTE_READONLY);
if (pc.isdir ())
mode |= S_IFDIR;
if (!set_file_attribute (pc.has_acls (), get_io_handle (), get_win32_name (),
if (!set_file_attribute (pc.has_acls (), get_io_handle (), pc,
ILLEGAL_UID, ILLEGAL_GID, mode)
&& allow_ntsec)
res = 0;
@@ -410,6 +414,37 @@ fhandler_disk_file::fchmod (mode_t mode)
return res;
}
int __stdcall
fhandler_disk_file::fchown (__uid32_t uid, __gid32_t gid)
{
int oret = 0;
if (!get_io_handle ())
{
query_open (query_write_control);
if (!(oret = open_fs (O_BINARY, 0)))
return -1;
}
mode_t attrib = 0;
if (pc.isdir ())
attrib |= S_IFDIR;
int res = get_file_attribute (pc.has_acls (), get_io_handle (), pc, &attrib);
if (!res)
res = set_file_attribute (pc.has_acls (), get_io_handle (), pc,
uid, gid, attrib);
if (res && (!pc.has_acls () || !allow_ntsec))
{
/* fake - if not supported, pretend we're like win95
where it just works */
res = 0;
}
if (oret)
close_fs ();
return res;
}
fhandler_disk_file::fhandler_disk_file () :
fhandler_base ()
{