roa-checker 3.0.3

Creator: bradpython12

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roachecker 3.0.3

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roa_checker
If you like the repo, it would be awesome if you could add a star to it! It really helps out the visibility. Also for any questions at all we'd love to hear from you at [email protected]
This package contains a trie of ROAs for fast prefix-origin pair lookups

Usage
Installation
Testing
Development/Contributing
History
Licence

Usage

roa_checker

I can expand these if anyone actually uses this repo (lmk @ [email protected])
def test_tree():
# TODO: Break up into unit tests
trie = ROAChecker()
cidrs = [ip_network(x) for x in ["1.2.0.0/16", "1.2.3.0/24", "1.2.3.4"]]
routed_origin = 1
for cidr in cidrs:
trie.insert(cidr, ROA(cidr, routed_origin, cidr.prefixlen))
for cidr in cidrs:
outcome = trie.get_roa_outcome(cidr, routed_origin)
assert outcome == ROAOutcome(ROAValidity.VALID, ROARouted.ROUTED)
assert ROAValidity.is_unknown(outcome.validity) is False
assert ROAValidity.is_invalid(outcome.validity) is False
assert ROAValidity.is_valid(outcome.validity) is True

non_routed_cidrs = [ip_network(x) for x in ["2.2.0.0/16", "2.2.3.0/24", "2.2.3.4"]]
non_routed_origin = 0
for cidr in non_routed_cidrs:
trie.insert(cidr, ROA(cidr, non_routed_origin, cidr.prefixlen))
for cidr in non_routed_cidrs:
outcome = trie.get_roa_outcome(cidr, routed_origin)
assert outcome == ROAOutcome(ROAValidity.INVALID_ORIGIN, ROARouted.NON_ROUTED)

outcome = trie.get_roa_outcome(ip_network("1.0.0.0/8"), routed_origin)
assert outcome.validity == ROAValidity.UNKNOWN
assert outcome.routed_status == ROARouted.UNKNOWN
outcome = trie.get_roa_outcome(ip_network("255.255.255.255"), routed_origin)
assert outcome.validity == ROAValidity.UNKNOWN
assert outcome.routed_status == ROARouted.UNKNOWN
assert ROAValidity.is_unknown(outcome.validity) is True
assert ROAValidity.is_invalid(outcome.validity) is False
assert ROAValidity.is_valid(outcome.validity) is False
outcome = trie.get_roa_outcome(ip_network("1.2.4.0/24"), routed_origin)
assert outcome.validity == ROAValidity.INVALID_LENGTH
assert outcome.routed_status == ROARouted.ROUTED
assert ROAValidity.is_unknown(outcome.validity) is False
assert ROAValidity.is_invalid(outcome.validity) is True
assert ROAValidity.is_valid(outcome.validity) is False
outcome = trie.get_roa_outcome(ip_network("1.2.3.0/24"), routed_origin + 1)
assert outcome.validity == ROAValidity.INVALID_ORIGIN
assert outcome.routed_status == ROARouted.ROUTED
assert ROAValidity.is_unknown(outcome.validity) is False
assert ROAValidity.is_invalid(outcome.validity) is True
assert ROAValidity.is_valid(outcome.validity) is False
outcome = trie.get_roa_outcome(ip_network("1.2.4.0/24"), routed_origin + 1)
assert outcome.validity == ROAValidity.INVALID_LENGTH_AND_ORIGIN
assert outcome.routed_status == ROARouted.ROUTED
assert ROAValidity.is_unknown(outcome.validity) is False
assert ROAValidity.is_invalid(outcome.validity) is True
assert ROAValidity.is_valid(outcome.validity) is False
outcome = trie.get_roa_outcome(ip_network("1.2.0.255"), routed_origin)
assert outcome.validity == ROAValidity.INVALID_LENGTH
assert outcome.routed_status == ROARouted.ROUTED
outcome = trie.get_roa_outcome(ip_network("1.3.0.0/16"), routed_origin)
assert outcome.validity == ROAValidity.UNKNOWN
assert outcome.routed_status == ROARouted.UNKNOWN
outcome = trie.get_roa_outcome(ip_network("1.2.0.255"), routed_origin)
assert outcome.validity == ROAValidity.INVALID_LENGTH
assert outcome.routed_status == ROARouted.ROUTED

Installation

roa_checker

Install python and pip if you have not already. Then run:
pip3 install roa_checker

This will install the package and all of it's python dependencies.
If you want to install the project for development:
git clone https://github.com/jfuruness/roa_checker.git
cd roa_checker
pip3 install -e .[test]
pre-commit install

To test the development package: Testing
Testing

roa_checker

After installation for development:
cd roa_checker
python3 -m pytest roa_checker
ruff check roa_checker
ruff format roa_checker

To run all tests:
cd roa_checker
tox --skip-missing-interpreters

Development/Contributing

roa_checker


Fork it!
Create your feature branch: git checkout -b my-new-feature
Commit your changes: git commit -am 'Add some feature'
Push to the branch: git push origin my-new-feature
Submit a pull request
Email me at [email protected] if I don't see it after a while

History


roa_checker


3.0.2 Updated deps, testing, gh actions, etc


3.0.1 Updated dependencies for testing only


3.0.0 Added ta attribute to ROAs for the ROACollector, modified properties in the ROA for BGPy compatibility


2.0.0

Previously the ROA checker would only look at the ROAs that were the most specific prefix (and then would check all of those ROAs)

This is a problem because if there were two ROAs, one that is less specific and valid, and one that is more specific and invalid, the announcements would be considered invalid incorrectly.
Fixing this unfortunately causes some of the public methods to change (they were wrong before anyways) like get_roa (you can't get a ROA for a prefix, you need to get all ROAs for that prefix)





1.1.4 Bug fix for multiple ROA case where multiple ROAs would result in the least valid ROA being selected, rather than the most valid ROA being selected. Thanks for finding this Cameron Morris!


1.1.3 Dependency updates


1.1.2 Added ROA to top level import


1.1.1 mypy and linter fixes


1.1.0 Updated test deps


1.0.0 Updated package structure, typing, linters, etc, made ROAValidity contains multiple invalid types


0.0.1 First working version


License

roa_checker

BSD License (see license file)

License

For personal and professional use. You cannot resell or redistribute these repositories in their original state.

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