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* environ.cc (set_traverse): Remove. 

(parse_thing): Drop "traverse" option.
	* path.cc (fs_info::update): Don't request SE_CHANGE_NOTIFY_PRIV
	privilege.
	* sec_helper.cc (set_cygwin_privileges): Ditto.
	* security.cc (allow_traverse): Remove.
	(alloc_sd): Drop special allow_traverse code.
	* security.h (allow_traverse): Drop declaration.
	* syscalls.cc (statvfs): Don't request SE_CHANGE_NOTIFY_PRIV privilege.
This commit is contained in:
Corinna Vinschen 2006-12-12 18:47:25 +00:00
parent 5684cfebba
commit a889232410
7 changed files with 12 additions and 28 deletions
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12
winsup/cygwin/ChangeLog
View File

@ -1,3 +1,15 @@
2006-12-12 Corinna Vinschen <corinna@vinschen.de>
* environ.cc (set_traverse): Remove.
(parse_thing): Drop "traverse" option.
* path.cc (fs_info::update): Don't request SE_CHANGE_NOTIFY_PRIV
privilege.
* sec_helper.cc (set_cygwin_privileges): Ditto.
* security.cc (allow_traverse): Remove.
(alloc_sd): Drop special allow_traverse code.
* security.h (allow_traverse): Drop declaration.
* syscalls.cc (statvfs): Don't request SE_CHANGE_NOTIFY_PRIV privilege.
2006-12-12 Corinna Vinschen <corinna@vinschen.de>
Partially revert change from 2005-04-03, always running under an

7
winsup/cygwin/environ.cc
View File

@ -571,12 +571,6 @@ set_ntsec (const char *buf)
allow_ntsec = (buf && strcasematch (buf, "yes") && wincap.has_security ());
}
static void
set_traverse (const char *buf)
{
allow_traverse = (buf && strcasematch (buf, "yes") && wincap.has_security ());
}
static void
set_smbntsec (const char *buf)
{
@ -628,7 +622,6 @@ static struct parse_thing
{"subauth_id", {func: &subauth_id_init}, isfunc, NULL, {{0}, {0}}},
#endif
{"title", {&display_title}, justset, NULL, {{false}, {true}}},
{"traverse", {func: set_traverse}, isfunc, NULL, {{0}, {s: "yes"}}},
{"tty", {NULL}, set_process_state, NULL, {{0}, {PID_USETTY}}},
{"winsymlinks", {&allow_winsymlinks}, justset, NULL, {{false}, {true}}},
{"transparent_exe", {&transparent_exe}, justset, NULL, {{false}, {true}}},

6
winsup/cygwin/path.cc
View File

@ -413,10 +413,6 @@ fs_info::update (const char *win32_path)
name_hash = tmp_name_hash;
root_len = strlen (root_dir);
/* I have no idea why, but some machines require SeChangeNotifyPrivilege
to access volume information. */
push_thread_privilege (SE_CHANGE_NOTIFY_PRIV, true);
drive_type (GetDriveType (root_dir));
if (drive_type () == DRIVE_REMOTE
|| (drive_type () == DRIVE_UNKNOWN
@ -428,8 +424,6 @@ fs_info::update (const char *win32_path)
ret = GetVolumeInformation (root_dir, NULL, 0, &status.serial, NULL,
&status.flags, fsname, sizeof (fsname));
pop_thread_privilege ();
if (!ret && !is_remote_drive ())
{
debug_printf ("Cannot get volume information (%s), %E", root_dir);

1
winsup/cygwin/sec_helper.cc
View File

@ -507,7 +507,6 @@ set_cygwin_privileges (HANDLE token)
{
set_privilege (token, SE_RESTORE_PRIV, true);
set_privilege (token, SE_BACKUP_PRIV, true);
set_privilege (token, SE_CHANGE_NOTIFY_PRIV, !allow_traverse);
}
/* Function to return a common SECURITY_DESCRIPTOR that

9
winsup/cygwin/security.cc
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@ -48,7 +48,6 @@ bool allow_ntsec;
/* allow_smbntsec is handled exclusively in path.cc (path_conv::check).
It's defined here because of it's strong relationship to allow_ntsec. */
bool allow_smbntsec;
bool allow_traverse;
extern "C" void
cygwin_set_impersonation_token (const HANDLE hToken)
@ -1833,14 +1832,6 @@ alloc_sd (__uid32_t uid, __gid32_t gid, int attribute,
/* Construct allow attribute for owner. */
DWORD owner_allow = STANDARD_RIGHTS_ALL
| FILE_WRITE_ATTRIBUTES | FILE_WRITE_EA;
/* This has nothing to do with traverse checking in the first place, but
since traverse checking is the setting which switches to POSIX-like
permission rules, the below is all too similar. Removing the delete
bit for a file or directory results in checking the parent directories'
ACL, if the current user has the FILE_DELETE_CHILD bit set. This is
how it is on POSIX systems. */
if (allow_traverse)
owner_allow &= ~DELETE;
if (attribute & S_IRUSR)
owner_allow |= FILE_GENERIC_READ;
if (attribute & S_IWUSR)

1
winsup/cygwin/security.h
View File

@ -338,7 +338,6 @@ legal_sid_type (SID_NAME_USE type)
extern bool allow_ntea;
extern bool allow_ntsec;
extern bool allow_smbntsec;
extern bool allow_traverse;
/* File manipulation */
int __stdcall get_file_attribute (int, HANDLE, const char *, mode_t *,

4
winsup/cygwin/syscalls.cc
View File

@ -1904,8 +1904,6 @@ statvfs (const char *fname, struct statvfs *sfs)
DWORD spc, bps, availc, freec, totalc, vsn, maxlen, flags;
BOOL status, statusex;
push_thread_privilege (SE_CHANGE_NOTIFY_PRIV, true);
/* GetDiskFreeSpaceEx must be called before GetDiskFreeSpace on
WinME, to avoid the MS KB 314417 bug */
statusex = GetDiskFreeSpaceEx (root, &availb, &totalb, &freeb);
@ -1970,8 +1968,6 @@ statvfs (const char *fname, struct statvfs *sfs)
if (ret)
__seterrno ();
pop_thread_privilege ();
return ret;
}