diff options
| -rwxr-xr-x | share/Perms.py | 56 |
1 files changed, 51 insertions, 5 deletions
diff --git a/share/Perms.py b/share/Perms.py index b347e25..b7594ba 100755 --- a/share/Perms.py +++ b/share/Perms.py @@ -79,14 +79,57 @@ def get_group_name(id): GROUPID[id] = str(id) return GROUPID[id] +# Build a regexp that matches all the non local filesystems +REGEXP_START = '^(' +REGEXP_END = ')' + +def build_non_localfs_regexp(): + # Allow to avoid this feature + if Config.get_config('all-local-files', '0') == '1': + return None + + try: + file = open('/proc/mounts', 'r') + except IOError: + error(_('Unable to check /proc/mounts. Assuming all file systems are local.')) + return None + + non_localfs = Config.get_config('non-local-fstypes', None) + if non_localfs: + non_localfs = string.split(non_localfs) + else: + non_localfs = ('nfs', 'codafs', 'smbfs') + + regexp = None + + for line in file.readlines(): + fields = string.split(line) + if fields[2] in non_localfs: + if regexp: + regexp = regexp + '|' + fields[1] + else: + regexp = REGEXP_START + fields[1] + + file.close() + + if not regexp: + return None + else: + return re.compile(regexp + REGEXP_END) + +# put the new perm/group/owner in the assoc variable according to the +# content of the path file. assoc = {} -def fix_perms(path): +def fix_perms(path, _interactive): try: file = open(path, 'r') except IOError: return root = Config.get_config('root', '') + + fs_regexp = build_non_localfs_regexp() + lineno = 0 for line in file.readlines(): lineno = lineno + 1 @@ -101,7 +144,7 @@ def fix_perms(path): newmode = -1 else: newmode = int(mode_str, 8) - + if fields[1] == 'current': user = group = -1 user_str = group_str = '' @@ -112,6 +155,9 @@ def fix_perms(path): if len(fields) == 4: for f in glob.glob(fields[0]): + if fs_regexp and fs_regexp.search(f): + _interactive and log(_('Non local file: "%s". Nothing changed.') % fields[0]) + continue try: full = os.stat(f) except OSError: @@ -136,6 +182,7 @@ def fix_perms(path): error(_('invalid syntax in %s line %d') % (path, lineno)) file.close() +# commit the changes to the files def act(change): for f in assoc.keys(): (mode, uid, gid, newperm, user, group, user_str, group_str) = assoc[f] @@ -143,7 +190,6 @@ def act(change): # if the user has changed it manually if not change: newperm = newperm & mode - #print f, (mode, uid, gid, newperm, user, group) if newperm != -1 and mode != newperm: log(_('changed mode of %s from %o to %o') % (f, mode, newperm)) try: @@ -189,7 +235,7 @@ if __name__ == '__main__': _interactive = sys.stdin.isatty() change = 0 - + # process the options try: (opt, args) = getopt.getopt(sys.argv[1:], 'co:', @@ -223,7 +269,7 @@ if __name__ == '__main__': # process the files for p in args: _interactive and log(_('Reading data from %s') % p) - fix_perms(p) + fix_perms(p, _interactive) # do the modifications act(change) |