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Code Issues Releases Wiki Activity

borg mount: support umask= mount option

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This commit is contained in:
Thomas Waldmann 2018-04-13 02:42:22 +02:00
parent f993f0fd49
commit eb61c2153b
1 changed files with 11 additions and 3 deletions
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14
src/borg/fuse.py
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@ -216,6 +216,7 @@ class FuseOperations(llfuse.Operations):
versions = False
uid_forced = None
gid_forced = None
umask = 0
def __init__(self, key, repository, manifest, args, decrypted_repository):
super().__init__()
@ -279,7 +280,7 @@ def sig_info_handler(self, sig_no, stack):
def mount(self, mountpoint, mount_options, foreground=False):
"""Mount filesystem on *mountpoint* with *mount_options*."""
def pop_option(options, key, present, not_present, wanted_type):
def pop_option(options, key, present, not_present, wanted_type, int_base=0):
assert isinstance(options, list) # we mutate this
for idx, option in enumerate(options):
if option == key:
@ -295,6 +296,11 @@ def pop_option(options, key, present, not_present, wanted_type):
if v in ('n', 'no', 'false', '0'):
return False
raise ValueError('unsupported value in option: %s' % option)
if wanted_type is int:
try:
return int(value, base=int_base)
except ValueError:
raise ValueError('unsupported value in option: %s' % option) from None
try:
return wanted_type(value)
except ValueError:
@ -309,9 +315,11 @@ def pop_option(options, key, present, not_present, wanted_type):
self.versions = pop_option(options, 'versions', True, False, bool)
self.uid_forced = pop_option(options, 'uid', None, None, int)
self.gid_forced = pop_option(options, 'gid', None, None, int)
self.umask = pop_option(options, 'umask', 0, 0, int, int_base=8) # umask is octal, e.g. 222 or 0222
dir_uid = self.uid_forced if self.uid_forced is not None else self.default_uid
dir_gid = self.gid_forced if self.gid_forced is not None else self.default_gid
self.default_dir = Item(mode=0o40755, mtime=int(time.time() * 1e9), uid=dir_uid, gid=dir_gid)
dir_mode = 0o40755 & ~self.umask
self.default_dir = Item(mode=dir_mode, mtime=int(time.time() * 1e9), uid=dir_uid, gid=dir_gid)
self._create_filesystem()
llfuse.init(self, mountpoint, options)
if not foreground:
@ -508,7 +516,7 @@ def getattr(self, inode, ctx=None):
entry.generation = 0
entry.entry_timeout = 300
entry.attr_timeout = 300
entry.st_mode = item.mode
entry.st_mode = item.mode & ~self.umask
entry.st_nlink = item.get('nlink', 1)
entry.st_uid = self.uid_forced if self.uid_forced is not None else item.uid if item.uid >= 0 else self.default_uid
entry.st_gid = self.gid_forced if self.gid_forced is not None else item.gid if item.gid >= 0 else self.default_gid