diff options
Diffstat (limited to 'rdiff-backup/rdiff_backup/fs_abilities.py')
| -rw-r--r-- | rdiff-backup/rdiff_backup/fs_abilities.py | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/rdiff-backup/rdiff_backup/fs_abilities.py b/rdiff-backup/rdiff_backup/fs_abilities.py index b3d69a0..e2285e7 100644 --- a/rdiff-backup/rdiff_backup/fs_abilities.py +++ b/rdiff-backup/rdiff_backup/fs_abilities.py @@ -43,6 +43,7 @@ class FSAbilities: carbonfile = None # True if Mac Carbon file data is supported. name = None # Short string, not used for any technical purpose read_only = None # True if capabilities were determined non-destructively + high_perms = None # True if suid etc perms are (read/write) supported def __init__(self, name = None): """FSAbilities initializer. name is only used in logging""" @@ -89,7 +90,8 @@ class FSAbilities: ('Hard linking', self.hardlinks), ('fsync() directories', self.fsync_dirs), ('Directory inc permissions', - self.dir_inc_perms)]) + self.dir_inc_perms), + ('High-bit permissions', self.high_perms)]) add_boolean_list([('Access control lists', self.acls), ('Extended attributes', self.eas), ('Mac OS X style resource forks', @@ -149,6 +151,7 @@ class FSAbilities: self.set_dir_inc_perms(subdir) self.set_resource_fork_readwrite(subdir) self.set_carbonfile() + self.set_high_perms_readwrite(subdir) if override_chars_to_quote is None: self.set_chars_to_quote(subdir) else: self.chars_to_quote = override_chars_to_quote if use_ctq_file: self.compare_chars_to_quote(rbdir) @@ -378,6 +381,16 @@ rdiff-backup-data/chars_to_quote. return self.resource_forks = 0 + def set_high_perms_readwrite(self, dir_rp): + """Test for writing high-bit permissions like suid""" + tmp_rp = dir_rp.append("high_perms") + tmp_rp.touch() + try: + tmp_rp.chmod(07000) + tmp_rp.chmod(07777) + except (OSError, IOError), e: self.high_perms = 0 + else: self.high_perms = 1 + tmp_rp.delete() def get_fsabilities_readonly(desc_string, rp): """Return an FSAbilities object with given description_string |