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Merge pull request #2015 from ThomasWaldmann/fix-location-regex 

fix bad parsing of wrong syntax
This commit is contained in:
TW 2017-01-21 05:46:58 +01:00 committed by GitHub
parent 0b2321a13d 1667926c96
commit ca0c1dab11
2 changed files with 14 additions and 3 deletions
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12
borg/helpers.py
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@ -823,11 +823,17 @@ class Location:
"""
# path must not contain :: (it ends at :: or string end), but may contain single colons.
# to avoid ambiguities with other regexes, it must also not start with ":".
# to avoid ambiguities with other regexes, it must also not start with ":" nor with "//" nor with "ssh://".
path_re = r"""
(?!:) # not starting with ":"
(?!(:|//|ssh://)) # not starting with ":" or // or ssh://
(?P<path>([^:]|(:(?!:)))+) # any chars, but no "::"
"""
# abs_path must not contain :: (it ends at :: or string end), but may contain single colons.
# it must start with a / and that slash is part of the path.
abs_path_re = r"""
(?P<path>(/([^:]|(:(?!:)))+)) # start with /, then any chars, but no "::"
"""
# optional ::archive_name at the end, archive name must not contain "/".
# borg mount's FUSE filesystem creates one level of directories from
# the archive names and of course "/" is not valid in a directory name.
@ -842,7 +848,7 @@ class Location:
(?P<proto>ssh):// # ssh://
""" + optional_user_re + r""" # user@ (optional)
(?P<host>[^:/]+)(?::(?P<port>\d+))? # host or host:port
""" + path_re + optional_archive_re, re.VERBOSE) # path or path::archive
""" + abs_path_re + optional_archive_re, re.VERBOSE) # path or path::archive
file_re = re.compile(r"""
(?P<proto>file):// # file://

5
borg/testsuite/helpers.py
View File

@ -134,6 +134,11 @@ class TestLocationWithoutEnv:
location_time2 = Location('/some/path::archive{now:%s}')
assert location_time1.archive != location_time2.archive
def test_bad_syntax(self):
with pytest.raises(ValueError):
# this is invalid due to the 2nd colon, correct: 'ssh://user@host/path'
Location('ssh://user@host:/path')
class TestLocationWithEnv:
def test_ssh(self, monkeypatch):