def is_setuid_root(path):
"""Return True if the file is owned by root and has
the setuid bit set."""
# Can't be setuid root if it's not there.
if not os.path.isfile(path):
return False
pstat = os.stat(path)
# Owned by root?
if pstat.st_uid != 0:
return False
# Setuid bit set?
if pstat.st_mode & stat.S_ISUID == 0:
return False
# Yay, passed all test!
return True
python类S_ISUID的实例源码
def _apply_operation_to_mode(user, operator, mode_to_apply, current_mode):
if operator == '=':
if user == 'u':
mask = stat.S_IRWXU | stat.S_ISUID
elif user == 'g':
mask = stat.S_IRWXG | stat.S_ISGID
elif user == 'o':
mask = stat.S_IRWXO | stat.S_ISVTX
# mask out u, g, or o permissions from current_mode and apply new permissions
inverse_mask = mask ^ PERM_BITS
new_mode = (current_mode & inverse_mask) | mode_to_apply
elif operator == '+':
new_mode = current_mode | mode_to_apply
elif operator == '-':
new_mode = current_mode - (current_mode & mode_to_apply)
return new_mode
def statinfo(st):
return {
'mode' : "%04o" % stat.S_IMODE(st.st_mode),
'isdir' : stat.S_ISDIR(st.st_mode),
'ischr' : stat.S_ISCHR(st.st_mode),
'isblk' : stat.S_ISBLK(st.st_mode),
'isreg' : stat.S_ISREG(st.st_mode),
'isfifo' : stat.S_ISFIFO(st.st_mode),
'islnk' : stat.S_ISLNK(st.st_mode),
'issock' : stat.S_ISSOCK(st.st_mode),
'uid' : st.st_uid,
'gid' : st.st_gid,
'size' : st.st_size,
'inode' : st.st_ino,
'dev' : st.st_dev,
'nlink' : st.st_nlink,
'atime' : st.st_atime,
'mtime' : st.st_mtime,
'ctime' : st.st_ctime,
'wusr' : bool(st.st_mode & stat.S_IWUSR),
'rusr' : bool(st.st_mode & stat.S_IRUSR),
'xusr' : bool(st.st_mode & stat.S_IXUSR),
'wgrp' : bool(st.st_mode & stat.S_IWGRP),
'rgrp' : bool(st.st_mode & stat.S_IRGRP),
'xgrp' : bool(st.st_mode & stat.S_IXGRP),
'woth' : bool(st.st_mode & stat.S_IWOTH),
'roth' : bool(st.st_mode & stat.S_IROTH),
'xoth' : bool(st.st_mode & stat.S_IXOTH),
'isuid' : bool(st.st_mode & stat.S_ISUID),
'isgid' : bool(st.st_mode & stat.S_ISGID),
}
def _apply_operation_to_mode(self, user, operator, mode_to_apply, current_mode):
if operator == '=':
if user == 'u': mask = stat.S_IRWXU | stat.S_ISUID
elif user == 'g': mask = stat.S_IRWXG | stat.S_ISGID
elif user == 'o': mask = stat.S_IRWXO | stat.S_ISVTX
# mask out u, g, or o permissions from current_mode and apply new permissions
inverse_mask = mask ^ PERM_BITS
new_mode = (current_mode & inverse_mask) | mode_to_apply
elif operator == '+':
new_mode = current_mode | mode_to_apply
elif operator == '-':
new_mode = current_mode - (current_mode & mode_to_apply)
return new_mode
def humanUnixAttributes(mode):
"""
Convert a Unix file attributes (or "file mode") to an unicode string.
Original source code:
http://cvs.savannah.gnu.org/viewcvs/coreutils/lib/filemode.c?root=coreutils
>>> humanUnixAttributes(0o644)
'-rw-r--r-- (644)'
>>> humanUnixAttributes(0o2755)
'-rwxr-sr-x (2755)'
"""
chars = [_ftypelet(mode), 'r', 'w', 'x', 'r', 'w', 'x', 'r', 'w', 'x']
for i in range(1, 10):
if not mode & 1 << 9 - i:
chars[i] = '-'
if mode & stat.S_ISUID:
if chars[3] != 'x':
chars[3] = 'S'
else:
chars[3] = 's'
if mode & stat.S_ISGID:
if chars[6] != 'x':
chars[6] = 'S'
else:
chars[6] = 's'
if mode & stat.S_ISVTX:
if chars[9] != 'x':
chars[9] = 'T'
else:
chars[9] = 't'
return "%s (%o)" % (''.join(chars), mode)
def test_sets_setuid_and_setgid_when_told_to(self):
self.metadata.st_mode = 0777 | stat.S_ISUID | stat.S_ISGID
obnamlib.set_metadata(self.fs, self.filename, self.metadata,
always_set_id_bits=True)
st = os.stat(self.filename)
self.assertEqual(st.st_mode & stat.S_ISUID, stat.S_ISUID)
self.assertEqual(st.st_mode & stat.S_ISGID, stat.S_ISGID)
def lsLine(name, s):
mode = s.st_mode
perms = array.array('c', '-'*10)
ft = stat.S_IFMT(mode)
if stat.S_ISDIR(ft): perms[0] = 'd'
elif stat.S_ISCHR(ft): perms[0] = 'c'
elif stat.S_ISBLK(ft): perms[0] = 'b'
elif stat.S_ISREG(ft): perms[0] = '-'
elif stat.S_ISFIFO(ft): perms[0] = 'f'
elif stat.S_ISLNK(ft): perms[0] = 'l'
elif stat.S_ISSOCK(ft): perms[0] = 's'
else: perms[0] = '!'
# user
if mode&stat.S_IRUSR:perms[1] = 'r'
if mode&stat.S_IWUSR:perms[2] = 'w'
if mode&stat.S_IXUSR:perms[3] = 'x'
# group
if mode&stat.S_IRGRP:perms[4] = 'r'
if mode&stat.S_IWGRP:perms[5] = 'w'
if mode&stat.S_IXGRP:perms[6] = 'x'
# other
if mode&stat.S_IROTH:perms[7] = 'r'
if mode&stat.S_IWOTH:perms[8] = 'w'
if mode&stat.S_IXOTH:perms[9] = 'x'
# suid/sgid
if mode&stat.S_ISUID:
if perms[3] == 'x': perms[3] = 's'
else: perms[3] = 'S'
if mode&stat.S_ISGID:
if perms[6] == 'x': perms[6] = 's'
else: perms[6] = 'S'
l = perms.tostring()
l += str(s.st_nlink).rjust(5) + ' '
un = str(s.st_uid)
l += un.ljust(9)
gr = str(s.st_gid)
l += gr.ljust(9)
sz = str(s.st_size)
l += sz.rjust(8)
l += ' '
sixmo = 60 * 60 * 24 * 7 * 26
if s.st_mtime + sixmo < time.time(): # last edited more than 6mo ago
l += time.strftime("%b %2d %Y ", time.localtime(s.st_mtime))
else:
l += time.strftime("%b %2d %H:%S ", time.localtime(s.st_mtime))
l += name
return l
def __str__(self):
"create a unix-style long description of the file (like ls -l)"
if self.st_mode is not None:
kind = stat.S_IFMT(self.st_mode)
if kind == stat.S_IFIFO:
ks = 'p'
elif kind == stat.S_IFCHR:
ks = 'c'
elif kind == stat.S_IFDIR:
ks = 'd'
elif kind == stat.S_IFBLK:
ks = 'b'
elif kind == stat.S_IFREG:
ks = '-'
elif kind == stat.S_IFLNK:
ks = 'l'
elif kind == stat.S_IFSOCK:
ks = 's'
else:
ks = '?'
ks += self._rwx((self.st_mode & 0700) >> 6, self.st_mode & stat.S_ISUID)
ks += self._rwx((self.st_mode & 070) >> 3, self.st_mode & stat.S_ISGID)
ks += self._rwx(self.st_mode & 7, self.st_mode & stat.S_ISVTX, True)
else:
ks = '?---------'
# compute display date
if (self.st_mtime is None) or (self.st_mtime == 0xffffffffL):
# shouldn't really happen
datestr = '(unknown date)'
else:
if abs(time.time() - self.st_mtime) > 15552000:
# (15552000 = 6 months)
datestr = time.strftime('%d %b %Y', time.localtime(self.st_mtime))
else:
datestr = time.strftime('%d %b %H:%M', time.localtime(self.st_mtime))
filename = getattr(self, 'filename', '?')
# not all servers support uid/gid
uid = self.st_uid
gid = self.st_gid
if uid is None:
uid = 0
if gid is None:
gid = 0
return '%s 1 %-8d %-8d %8d %-12s %s' % (ks, uid, gid, self.st_size, datestr, filename)
def _get_octal_mode_from_symbolic_perms(self, path_stat, user, perms):
prev_mode = stat.S_IMODE(path_stat.st_mode)
is_directory = stat.S_ISDIR(path_stat.st_mode)
has_x_permissions = (prev_mode & EXEC_PERM_BITS) > 0
apply_X_permission = is_directory or has_x_permissions
# Permission bits constants documented at:
# http://docs.python.org/2/library/stat.html#stat.S_ISUID
if apply_X_permission:
X_perms = {
'u': {'X': stat.S_IXUSR},
'g': {'X': stat.S_IXGRP},
'o': {'X': stat.S_IXOTH}
}
else:
X_perms = {
'u': {'X': 0},
'g': {'X': 0},
'o': {'X': 0}
}
user_perms_to_modes = {
'u': {
'r': stat.S_IRUSR,
'w': stat.S_IWUSR,
'x': stat.S_IXUSR,
's': stat.S_ISUID,
't': 0,
'u': prev_mode & stat.S_IRWXU,
'g': (prev_mode & stat.S_IRWXG) << 3,
'o': (prev_mode & stat.S_IRWXO) << 6 },
'g': {
'r': stat.S_IRGRP,
'w': stat.S_IWGRP,
'x': stat.S_IXGRP,
's': stat.S_ISGID,
't': 0,
'u': (prev_mode & stat.S_IRWXU) >> 3,
'g': prev_mode & stat.S_IRWXG,
'o': (prev_mode & stat.S_IRWXO) << 3 },
'o': {
'r': stat.S_IROTH,
'w': stat.S_IWOTH,
'x': stat.S_IXOTH,
's': 0,
't': stat.S_ISVTX,
'u': (prev_mode & stat.S_IRWXU) >> 6,
'g': (prev_mode & stat.S_IRWXG) >> 3,
'o': prev_mode & stat.S_IRWXO }
}
# Insert X_perms into user_perms_to_modes
for key, value in X_perms.items():
user_perms_to_modes[key].update(value)
or_reduce = lambda mode, perm: mode | user_perms_to_modes[user][perm]
return reduce(or_reduce, perms, 0)
def __str__(self):
"""create a unix-style long description of the file (like ls -l)"""
if self.st_mode is not None:
kind = stat.S_IFMT(self.st_mode)
if kind == stat.S_IFIFO:
ks = 'p'
elif kind == stat.S_IFCHR:
ks = 'c'
elif kind == stat.S_IFDIR:
ks = 'd'
elif kind == stat.S_IFBLK:
ks = 'b'
elif kind == stat.S_IFREG:
ks = '-'
elif kind == stat.S_IFLNK:
ks = 'l'
elif kind == stat.S_IFSOCK:
ks = 's'
else:
ks = '?'
ks += self._rwx((self.st_mode & o700) >> 6, self.st_mode & stat.S_ISUID)
ks += self._rwx((self.st_mode & o70) >> 3, self.st_mode & stat.S_ISGID)
ks += self._rwx(self.st_mode & 7, self.st_mode & stat.S_ISVTX, True)
else:
ks = '?---------'
# compute display date
if (self.st_mtime is None) or (self.st_mtime == xffffffff):
# shouldn't really happen
datestr = '(unknown date)'
else:
if abs(time.time() - self.st_mtime) > 15552000:
# (15552000 = 6 months)
datestr = time.strftime('%d %b %Y', time.localtime(self.st_mtime))
else:
datestr = time.strftime('%d %b %H:%M', time.localtime(self.st_mtime))
filename = getattr(self, 'filename', '?')
# not all servers support uid/gid
uid = self.st_uid
gid = self.st_gid
if uid is None:
uid = 0
if gid is None:
gid = 0
return '%s 1 %-8d %-8d %8d %-12s %s' % (ks, uid, gid, self.st_size, datestr, filename)
def lsLine(name, s):
mode = s.st_mode
perms = array.array('c', '-'*10)
ft = stat.S_IFMT(mode)
if stat.S_ISDIR(ft): perms[0] = 'd'
elif stat.S_ISCHR(ft): perms[0] = 'c'
elif stat.S_ISBLK(ft): perms[0] = 'b'
elif stat.S_ISREG(ft): perms[0] = '-'
elif stat.S_ISFIFO(ft): perms[0] = 'f'
elif stat.S_ISLNK(ft): perms[0] = 'l'
elif stat.S_ISSOCK(ft): perms[0] = 's'
else: perms[0] = '!'
# user
if mode&stat.S_IRUSR:perms[1] = 'r'
if mode&stat.S_IWUSR:perms[2] = 'w'
if mode&stat.S_IXUSR:perms[3] = 'x'
# group
if mode&stat.S_IRGRP:perms[4] = 'r'
if mode&stat.S_IWGRP:perms[5] = 'w'
if mode&stat.S_IXGRP:perms[6] = 'x'
# other
if mode&stat.S_IROTH:perms[7] = 'r'
if mode&stat.S_IWOTH:perms[8] = 'w'
if mode&stat.S_IXOTH:perms[9] = 'x'
# suid/sgid
if mode&stat.S_ISUID:
if perms[3] == 'x': perms[3] = 's'
else: perms[3] = 'S'
if mode&stat.S_ISGID:
if perms[6] == 'x': perms[6] = 's'
else: perms[6] = 'S'
l = perms.tostring()
l += str(s.st_nlink).rjust(5) + ' '
un = str(s.st_uid)
l += un.ljust(9)
gr = str(s.st_gid)
l += gr.ljust(9)
sz = str(s.st_size)
l += sz.rjust(8)
l += ' '
sixmo = 60 * 60 * 24 * 7 * 26
if s.st_mtime + sixmo < time.time(): # last edited more than 6mo ago
l += time.strftime("%b %2d %Y ", time.localtime(s.st_mtime))
else:
l += time.strftime("%b %2d %H:%S ", time.localtime(s.st_mtime))
l += name
return l
def __str__(self):
"""create a unix-style long description of the file (like ls -l)"""
if self.st_mode is not None:
kind = stat.S_IFMT(self.st_mode)
if kind == stat.S_IFIFO:
ks = 'p'
elif kind == stat.S_IFCHR:
ks = 'c'
elif kind == stat.S_IFDIR:
ks = 'd'
elif kind == stat.S_IFBLK:
ks = 'b'
elif kind == stat.S_IFREG:
ks = '-'
elif kind == stat.S_IFLNK:
ks = 'l'
elif kind == stat.S_IFSOCK:
ks = 's'
else:
ks = '?'
ks += self._rwx((self.st_mode & o700) >> 6, self.st_mode & stat.S_ISUID)
ks += self._rwx((self.st_mode & o70) >> 3, self.st_mode & stat.S_ISGID)
ks += self._rwx(self.st_mode & 7, self.st_mode & stat.S_ISVTX, True)
else:
ks = '?---------'
# compute display date
if (self.st_mtime is None) or (self.st_mtime == xffffffff):
# shouldn't really happen
datestr = '(unknown date)'
else:
if abs(time.time() - self.st_mtime) > 15552000:
# (15552000 = 6 months)
datestr = time.strftime('%d %b %Y', time.localtime(self.st_mtime))
else:
datestr = time.strftime('%d %b %H:%M', time.localtime(self.st_mtime))
filename = getattr(self, 'filename', '?')
# not all servers support uid/gid
uid = self.st_uid
gid = self.st_gid
size = self.st_size
if uid is None:
uid = 0
if gid is None:
gid = 0
if size is None:
size = 0
return '%s 1 %-8d %-8d %8d %-12s %s' % (ks, uid, gid, size, datestr, filename)
def __str__(self):
"""create a unix-style long description of the file (like ls -l)"""
if self.st_mode is not None:
kind = stat.S_IFMT(self.st_mode)
if kind == stat.S_IFIFO:
ks = 'p'
elif kind == stat.S_IFCHR:
ks = 'c'
elif kind == stat.S_IFDIR:
ks = 'd'
elif kind == stat.S_IFBLK:
ks = 'b'
elif kind == stat.S_IFREG:
ks = '-'
elif kind == stat.S_IFLNK:
ks = 'l'
elif kind == stat.S_IFSOCK:
ks = 's'
else:
ks = '?'
ks += self._rwx((self.st_mode & o700) >> 6, self.st_mode & stat.S_ISUID)
ks += self._rwx((self.st_mode & o70) >> 3, self.st_mode & stat.S_ISGID)
ks += self._rwx(self.st_mode & 7, self.st_mode & stat.S_ISVTX, True)
else:
ks = '?---------'
# compute display date
if (self.st_mtime is None) or (self.st_mtime == xffffffff):
# shouldn't really happen
datestr = '(unknown date)'
else:
if abs(time.time() - self.st_mtime) > 15552000:
# (15552000 = 6 months)
datestr = time.strftime('%d %b %Y', time.localtime(self.st_mtime))
else:
datestr = time.strftime('%d %b %H:%M', time.localtime(self.st_mtime))
filename = getattr(self, 'filename', '?')
# not all servers support uid/gid
uid = self.st_uid
gid = self.st_gid
size = self.st_size
if uid is None:
uid = 0
if gid is None:
gid = 0
if size is None:
size = 0
return '%s 1 %-8d %-8d %8d %-12s %s' % (ks, uid, gid, size, datestr, filename)
def setattr(self, inode, attr, fields, fh, ctx):
assert self._initialized
inode = self.forest.inodes.get_by_value(inode)
de = inode.direntry
pending_changes = {}
mode_filter = 0
if fields.update_uid:
now_st_uid = de.data['st_uid']
if attr.st_uid >= 0 and attr.st_uid != now_st_uid:
assert_or_errno(not ctx.uid, EPERM, 'nonroot setting uid')
# Non-root can only do nop uid change
pending_changes['st_uid'] = attr.st_uid
if fields.update_gid:
# Non-root can change gid to one he has, if he owns the file
now_st_uid = de.data['st_uid']
now_st_gid = de.data['st_gid']
if attr.st_gid >= 0 and attr.st_gid != now_st_gid:
assert_or_errno(not ctx.uid
or (ctx.uid == now_st_uid
and self._ctx_has_gid(ctx, attr.st_gid)),
EPERM, 'nonroot setting gid')
pending_changes['st_gid'] = attr.st_gid
if ctx.uid:
mode_filter = stat.S_ISUID | stat.S_ISGID
# Non-root setuid/gid should reset setuid/gid
if fields.update_mode:
# TBD: use S_IFMT + S_IMODE to filter this or not?
pending_changes['st_mode'] = attr.st_mode & ~mode_filter
elif mode_filter:
pending_changes['st_mode'] = de.data['st_mode'] & ~mode_filter
if fields.update_mtime:
_debug('%s mtime set to %s', inode, attr.st_mtime_ns)
pending_changes['st_mtime_ns'] = attr.st_mtime_ns
if fields.update_size:
pending_changes['st_size'] = attr.st_size
pending_changes = {k: v for k, v in pending_changes.items()
if k not in de.data or de.data[k] != v}
if pending_changes:
for k, v in pending_changes.items():
assert_or_errno(self.access(inode.value, os.W_OK, ctx,
or_own=True),
EPERM, 'setattr-file write')
if k == 'st_size':
inode.set_size(v)
else:
de.set_data(k, v)
inode.change_ctime()
return self._inode_attributes(inode)
def __str__(self):
"""create a unix-style long description of the file (like ls -l)"""
if self.st_mode is not None:
kind = stat.S_IFMT(self.st_mode)
if kind == stat.S_IFIFO:
ks = 'p'
elif kind == stat.S_IFCHR:
ks = 'c'
elif kind == stat.S_IFDIR:
ks = 'd'
elif kind == stat.S_IFBLK:
ks = 'b'
elif kind == stat.S_IFREG:
ks = '-'
elif kind == stat.S_IFLNK:
ks = 'l'
elif kind == stat.S_IFSOCK:
ks = 's'
else:
ks = '?'
ks += self._rwx(
(self.st_mode & o700) >> 6, self.st_mode & stat.S_ISUID)
ks += self._rwx(
(self.st_mode & o70) >> 3, self.st_mode & stat.S_ISGID)
ks += self._rwx(
self.st_mode & 7, self.st_mode & stat.S_ISVTX, True)
else:
ks = '?---------'
# compute display date
if (self.st_mtime is None) or (self.st_mtime == xffffffff):
# shouldn't really happen
datestr = '(unknown date)'
else:
if abs(time.time() - self.st_mtime) > 15552000:
# (15552000 = 6 months)
datestr = time.strftime(
'%d %b %Y', time.localtime(self.st_mtime))
else:
datestr = time.strftime(
'%d %b %H:%M', time.localtime(self.st_mtime))
filename = getattr(self, 'filename', '?')
# not all servers support uid/gid
uid = self.st_uid
gid = self.st_gid
size = self.st_size
if uid is None:
uid = 0
if gid is None:
gid = 0
if size is None:
size = 0
return '%s 1 %-8d %-8d %8d %-12s %s' % (
ks, uid, gid, size, datestr, filename)
def __str__(self):
"""create a unix-style long description of the file (like ls -l)"""
if self.st_mode is not None:
kind = stat.S_IFMT(self.st_mode)
if kind == stat.S_IFIFO:
ks = 'p'
elif kind == stat.S_IFCHR:
ks = 'c'
elif kind == stat.S_IFDIR:
ks = 'd'
elif kind == stat.S_IFBLK:
ks = 'b'
elif kind == stat.S_IFREG:
ks = '-'
elif kind == stat.S_IFLNK:
ks = 'l'
elif kind == stat.S_IFSOCK:
ks = 's'
else:
ks = '?'
ks += self._rwx(
(self.st_mode & o700) >> 6, self.st_mode & stat.S_ISUID)
ks += self._rwx(
(self.st_mode & o70) >> 3, self.st_mode & stat.S_ISGID)
ks += self._rwx(
self.st_mode & 7, self.st_mode & stat.S_ISVTX, True)
else:
ks = '?---------'
# compute display date
if (self.st_mtime is None) or (self.st_mtime == xffffffff):
# shouldn't really happen
datestr = '(unknown date)'
else:
if abs(time.time() - self.st_mtime) > 15552000:
# (15552000 = 6 months)
datestr = time.strftime(
'%d %b %Y', time.localtime(self.st_mtime))
else:
datestr = time.strftime(
'%d %b %H:%M', time.localtime(self.st_mtime))
filename = getattr(self, 'filename', '?')
# not all servers support uid/gid
uid = self.st_uid
gid = self.st_gid
size = self.st_size
if uid is None:
uid = 0
if gid is None:
gid = 0
if size is None:
size = 0
return '%s 1 %-8d %-8d %8d %-12s %s' % (
ks, uid, gid, size, datestr, filename)
def humanUnixAttributes(mode):
"""
Convert a Unix file attributes (or "file mode") to an unicode string.
Original source code:
http://cvs.savannah.gnu.org/viewcvs/coreutils/lib/filemode.c?root=coreutils
>>> humanUnixAttributes(0644)
u'-rw-r--r-- (644)'
>>> humanUnixAttributes(02755)
u'-rwxr-sr-x (2755)'
"""
def ftypelet(mode):
if stat.S_ISREG (mode) or not stat.S_IFMT(mode):
return '-'
if stat.S_ISBLK (mode): return 'b'
if stat.S_ISCHR (mode): return 'c'
if stat.S_ISDIR (mode): return 'd'
if stat.S_ISFIFO(mode): return 'p'
if stat.S_ISLNK (mode): return 'l'
if stat.S_ISSOCK(mode): return 's'
return '?'
chars = [ ftypelet(mode), 'r', 'w', 'x', 'r', 'w', 'x', 'r', 'w', 'x' ]
for i in xrange(1, 10):
if not mode & 1 << 9 - i:
chars[i] = '-'
if mode & stat.S_ISUID:
if chars[3] != 'x':
chars[3] = 'S'
else:
chars[3] = 's'
if mode & stat.S_ISGID:
if chars[6] != 'x':
chars[6] = 'S'
else:
chars[6] = 's'
if mode & stat.S_ISVTX:
if chars[9] != 'x':
chars[9] = 'T'
else:
chars[9] = 't'
return u"%s (%o)" % (''.join(chars), mode)
def __str__(self):
"""create a unix-style long description of the file (like ls -l)"""
if self.st_mode is not None:
kind = stat.S_IFMT(self.st_mode)
if kind == stat.S_IFIFO:
ks = 'p'
elif kind == stat.S_IFCHR:
ks = 'c'
elif kind == stat.S_IFDIR:
ks = 'd'
elif kind == stat.S_IFBLK:
ks = 'b'
elif kind == stat.S_IFREG:
ks = '-'
elif kind == stat.S_IFLNK:
ks = 'l'
elif kind == stat.S_IFSOCK:
ks = 's'
else:
ks = '?'
ks += self._rwx((self.st_mode & o700) >> 6, self.st_mode & stat.S_ISUID)
ks += self._rwx((self.st_mode & o70) >> 3, self.st_mode & stat.S_ISGID)
ks += self._rwx(self.st_mode & 7, self.st_mode & stat.S_ISVTX, True)
else:
ks = '?---------'
# compute display date
if (self.st_mtime is None) or (self.st_mtime == xffffffff):
# shouldn't really happen
datestr = '(unknown date)'
else:
if abs(time.time() - self.st_mtime) > 15552000:
# (15552000 = 6 months)
datestr = time.strftime('%d %b %Y', time.localtime(self.st_mtime))
else:
datestr = time.strftime('%d %b %H:%M', time.localtime(self.st_mtime))
filename = getattr(self, 'filename', '?')
# not all servers support uid/gid
uid = self.st_uid
gid = self.st_gid
size = self.st_size
if uid is None:
uid = 0
if gid is None:
gid = 0
if size is None:
size = 0
return '%s 1 %-8d %-8d %8d %-12s %s' % (ks, uid, gid, size, datestr, filename)
def __str__(self):
"""create a unix-style long description of the file (like ls -l)"""
if self.st_mode is not None:
kind = stat.S_IFMT(self.st_mode)
if kind == stat.S_IFIFO:
ks = 'p'
elif kind == stat.S_IFCHR:
ks = 'c'
elif kind == stat.S_IFDIR:
ks = 'd'
elif kind == stat.S_IFBLK:
ks = 'b'
elif kind == stat.S_IFREG:
ks = '-'
elif kind == stat.S_IFLNK:
ks = 'l'
elif kind == stat.S_IFSOCK:
ks = 's'
else:
ks = '?'
ks += self._rwx((self.st_mode & o700) >> 6, self.st_mode & stat.S_ISUID)
ks += self._rwx((self.st_mode & o70) >> 3, self.st_mode & stat.S_ISGID)
ks += self._rwx(self.st_mode & 7, self.st_mode & stat.S_ISVTX, True)
else:
ks = '?---------'
# compute display date
if (self.st_mtime is None) or (self.st_mtime == xffffffff):
# shouldn't really happen
datestr = '(unknown date)'
else:
if abs(time.time() - self.st_mtime) > 15552000:
# (15552000 = 6 months)
datestr = time.strftime('%d %b %Y', time.localtime(self.st_mtime))
else:
datestr = time.strftime('%d %b %H:%M', time.localtime(self.st_mtime))
filename = getattr(self, 'filename', '?')
# not all servers support uid/gid
uid = self.st_uid
gid = self.st_gid
size = self.st_size
if uid is None:
uid = 0
if gid is None:
gid = 0
if size is None:
size = 0
return '%s 1 %-8d %-8d %8d %-12s %s' % (ks, uid, gid, size, datestr, filename)
