* syscalls.cc (check_posix_perm): New static function.

(fpathconf): Add _PC_POSIX_PERMISSIONS and _PC_POSIX_SECURITY
        support.
        (pathconf): Ditto.
        * include/cygwin/version.h: Bump API minor number to 37.
This commit is contained in:
Corinna Vinschen 2001-03-19 11:02:41 +00:00
parent c7ee75cd2e
commit 30f326bf5e
3 changed files with 74 additions and 3 deletions

View File

@ -1,3 +1,11 @@
Sat Mar 17 18:30:00 2001 Corinna Vinschen <corinna@vinschen.de>
* syscalls.cc (check_posix_perm): New static function.
(fpathconf): Add _PC_POSIX_PERMISSIONS and _PC_POSIX_SECURITY
support.
(pathconf): Ditto.
* include/cygwin/version.h: Bump API minor number to 37.
2001-03-18 Egor Duda <deo@logos-m.ru>
* fhandler.h (fhandler_tty_slave): Declare new methods.

View File

@ -130,10 +130,11 @@ details. */
35: Export drand48, erand48, jrand48, lcong48, lrand48,
mrand48, nrand48, seed48, and srand48.
36: Added _cygwin_S_IEXEC, et al
37: [f]pathconv support _PC_POSIX_PERMISSIONS and _PC_POSIX_SECURITY
*/
#define CYGWIN_VERSION_API_MAJOR 0
#define CYGWIN_VERSION_API_MINOR 36
#define CYGWIN_VERSION_API_MINOR 37
/* There is also a compatibity version number associated with the
shared memory regions. It is incremented when incompatible

View File

@ -1428,6 +1428,40 @@ getpagesize ()
return (int) system_info.dwPageSize;
}
static int
check_posix_perm (const char *fname, int v)
{
extern int allow_ntea, allow_ntsec, allow_smbntsec;
/* Windows 95/98/ME don't support file system security at all. */
if (os_being_run != winNT)
return 0;
/* ntea is ok for supporting permission bits but it doesn't support
full POSIX security settings. */
if (v == _PC_POSIX_PERMISSIONS && allow_ntea)
return 1;
if (!allow_ntsec)
return 0;
char *root = rootdir (strcpy ((char *)alloca (strlen (fname)), fname));
if (!allow_smbntsec
&& ((root[0] == '\\' && root[1] == '\\')
|| GetDriveType (root) == DRIVE_REMOTE))
return 0;
DWORD vsn, len, flags;
if (!GetVolumeInformation (root, NULL, 0, &vsn, &len, &flags, NULL, 16))
{
__seterrno ();
return 0;
}
return (flags & FS_PERSISTENT_ACLS) ? 1 : 0;
}
/* FIXME: not all values are correct... */
extern "C" long int
fpathconf (int fd, int v)
@ -1461,6 +1495,18 @@ fpathconf (int fd, int v)
set_errno (EBADF);
return -1;
}
case _PC_POSIX_PERMISSIONS:
case _PC_POSIX_SECURITY:
if (fdtab.not_open (fd))
set_errno (EBADF);
else
{
fhandler_base *fh = fdtab[fd];
if (fh->get_device () == FH_DISK)
return check_posix_perm (fh->get_win32_name (), v);
set_errno (EINVAL);
}
return -1;
default:
set_errno (EINVAL);
return -1;
@ -1480,14 +1526,30 @@ pathconf (const char *file, int v)
return _POSIX_LINK_MAX;
case _PC_MAX_CANON:
case _PC_MAX_INPUT:
return _POSIX_MAX_CANON;
return _POSIX_MAX_CANON;
case _PC_PIPE_BUF:
return 4096;
case _PC_CHOWN_RESTRICTED:
case _PC_NO_TRUNC:
return -1;
case _PC_VDISABLE:
return -1;
return -1;
case _PC_POSIX_PERMISSIONS:
case _PC_POSIX_SECURITY:
{
path_conv full_path (file, PC_SYM_FOLLOW | PC_FULL);
if (full_path.error)
{
set_errno (full_path.error);
return -1;
}
if (full_path.is_device ())
{
set_errno (EINVAL);
return -1;
}
return check_posix_perm (full_path, v);
}
default:
set_errno (EINVAL);
return -1;