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acls (linux): use surrogatescape error handling, fix test

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surrogatescape will decode/encode invalid utf-8 sequences (if we do not get utf-8) in a round-tripping way.
This commit is contained in:
Thomas Waldmann 2015-10-18 23:33:29 +02:00
parent 55179fe64d
commit b2cffe00fe
2 changed files with 5 additions and 4 deletions
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4
borg/platform_linux.pyx
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@ -31,7 +31,7 @@ def acl_use_local_uid_gid(acl):
"""Replace the user/group field with the local uid/gid if possible """Replace the user/group field with the local uid/gid if possible
""" """
entries = [] entries = []
for entry in acl.decode('ascii').split('\n'): for entry in acl.decode('utf-8', 'surrogateescape').split('\n'):
if entry: if entry:
fields = entry.split(':') fields = entry.split(':')
if fields[0] == 'user' and fields[1]: if fields[0] == 'user' and fields[1]:
@ -39,7 +39,7 @@ def acl_use_local_uid_gid(acl):
elif fields[0] == 'group' and fields[1]: elif fields[0] == 'group' and fields[1]:
fields[1] = str(group2gid(fields[1], int(fields[3]))) fields[1] = str(group2gid(fields[1], int(fields[3])))
entries.append(':'.join(fields[:3])) entries.append(':'.join(fields[:3]))
return ('\n'.join(entries)).encode('ascii') return '\n'.join(entries).encode('utf-8', 'surrogatescape')
cdef acl_append_numeric_ids(acl): cdef acl_append_numeric_ids(acl):

5
borg/testsuite/platform.py
View file

@ -86,8 +86,9 @@ def test_non_ascii_acl(self):
acl = b'\n'.join([nothing_special, user_entry, group_entry]) acl = b'\n'.join([nothing_special, user_entry, group_entry])
self.set_acl(file.name, access=acl, numeric_owner=False) self.set_acl(file.name, access=acl, numeric_owner=False)
acl_access = self.get_acl(file.name)[b'acl_access'] acl_access = self.get_acl(file.name)[b'acl_access']
self.assert_in(user_entry, acl_access) # set_acl did not find the local user/group here, so it fell back to the uid/gid:
self.assert_in(group_entry, acl_access) self.assert_in(user_entry_numeric, acl_access)
self.assert_in(group_entry_numeric, acl_access)
acl_access_numeric = self.get_acl(file.name, numeric_owner=True)[b'acl_access'] acl_access_numeric = self.get_acl(file.name, numeric_owner=True)[b'acl_access']
self.assert_in(user_entry_numeric, acl_access_numeric) self.assert_in(user_entry_numeric, acl_access_numeric)
self.assert_in(group_entry_numeric, acl_access_numeric) self.assert_in(group_entry_numeric, acl_access_numeric)