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firewalld-normalize-new-rich-rules-before-compa...
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File firewalld-normalize-new-rich-rules-before-comparing-.patch of Package salt
From 522b2331e6584758aeaefbf2d41f0c18cd1113d9 Mon Sep 17 00:00:00 2001 From: Marek Czernek <marek.czernek@suse.com> Date: Tue, 23 Jul 2024 13:01:27 +0200 Subject: [PATCH] firewalld: normalize new rich rules before comparing to old (bsc#1222684) (#648) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit * Normalize new rich rules before comparing to old Firewallcmd rich rule output quotes each assigned part of the rich rule, for example: rule family="ipv4" source port port="161" ... The firewalld module must first normalize the user defined rich rules to match the firewallcmd output before comparison to ensure idempotency. * Add changelog entry * Enhance documentation for normalization function * Add unit tests to cover rich rules normalization --------- Co-authored-by: Pablo Suárez Hernández <psuarezhernandez@suse.com> --- changelog/61235.fixed.md | 1 + salt/states/firewalld.py | 38 +++++++++++- tests/pytests/unit/states/test_firewalld.py | 64 +++++++++++++++++++++ 3 files changed, 102 insertions(+), 1 deletion(-) create mode 100644 changelog/61235.fixed.md create mode 100644 tests/pytests/unit/states/test_firewalld.py diff --git a/changelog/61235.fixed.md b/changelog/61235.fixed.md new file mode 100644 index 00000000000..7ae9bb40800 --- /dev/null +++ b/changelog/61235.fixed.md @@ -0,0 +1 @@ +- firewalld: normalize new rich rules before comparing to old ones diff --git a/salt/states/firewalld.py b/salt/states/firewalld.py index 534b9dd62df..9ce0bfc61a8 100644 --- a/salt/states/firewalld.py +++ b/salt/states/firewalld.py @@ -204,7 +204,6 @@ def present( rich_rules=None, prune_rich_rules=False, ): - """ Ensure a zone has specific attributes. @@ -378,6 +377,42 @@ def service(name, ports=None, protocols=None): return ret +def _normalize_rich_rules(rich_rules): + """ + Make sure rich rules are normalized and attributes + are quoted with double quotes so it matches the output + from firewall-cmd + + Example: + + rule family="ipv4" source address="192.168.0.0/16" port port=22 protocol=tcp accept + rule family="ipv4" source address="192.168.0.0/16" port port='22' protocol=tcp accept + rule family='ipv4' source address='192.168.0.0/16' port port='22' protocol=tcp accept + + normalized to: + + rule family="ipv4" source address="192.168.0.0/16" port port="22" protocol="tcp" accept + """ + normalized_rules = [] + for rich_rule in rich_rules: + normalized_rule = "" + for cmd in rich_rule.split(" "): + cmd_components = cmd.split("=", 1) + if len(cmd_components) == 2: + assigned_component = cmd_components[1] + if not assigned_component.startswith( + '"' + ) and not assigned_component.endswith('"'): + if assigned_component.startswith( + "'" + ) and assigned_component.endswith("'"): + assigned_component = assigned_component[1:-1] + cmd_components[1] = f'"{assigned_component}"' + normalized_rule = f"{normalized_rule} {'='.join(cmd_components)}" + normalized_rules.append(normalized_rule.lstrip()) + return normalized_rules + + def _present( name, block_icmp=None, @@ -761,6 +796,7 @@ def _present( if rich_rules or prune_rich_rules: rich_rules = rich_rules or [] + rich_rules = _normalize_rich_rules(rich_rules) try: _current_rich_rules = __salt__["firewalld.get_rich_rules"]( name, permanent=True diff --git a/tests/pytests/unit/states/test_firewalld.py b/tests/pytests/unit/states/test_firewalld.py new file mode 100644 index 00000000000..0cbc59633bf --- /dev/null +++ b/tests/pytests/unit/states/test_firewalld.py @@ -0,0 +1,64 @@ +""" + :codeauthor: Hristo Voyvodov <hristo.voyvodov@redsift.io> +""" + +import pytest + +import salt.states.firewalld as firewalld +from tests.support.mock import MagicMock, patch + + +@pytest.fixture +def configure_loader_modules(): + return {firewalld: {"__opts__": {"test": False}}} + + +@pytest.mark.parametrize( + "rich_rule", + [ + ( + [ + 'rule family="ipv4" source address="192.168.0.0/16" port port=22 protocol=tcp accept' + ] + ), + ( + [ + 'rule family="ipv4" source address="192.168.0.0/16" port port=\'22\' protocol=tcp accept' + ] + ), + ( + [ + "rule family='ipv4' source address='192.168.0.0/16' port port='22' protocol=tcp accept" + ] + ), + ], +) +def test_present_rich_rules_normalized(rich_rule): + firewalld_reload_rules = MagicMock(return_value={}) + firewalld_rich_rules = [ + 'rule family="ipv4" source address="192.168.0.0/16" port port="22" protocol="tcp" accept', + ] + + firewalld_get_zones = MagicMock( + return_value=[ + "block", + "public", + ] + ) + firewalld_get_masquerade = MagicMock(return_value=False) + firewalld_get_rich_rules = MagicMock(return_value=firewalld_rich_rules) + + __salt__ = { + "firewalld.reload_rules": firewalld_reload_rules, + "firewalld.get_zones": firewalld_get_zones, + "firewalld.get_masquerade": firewalld_get_masquerade, + "firewalld.get_rich_rules": firewalld_get_rich_rules, + } + with patch.dict(firewalld.__dict__, {"__salt__": __salt__}): + ret = firewalld.present("public", rich_rules=rich_rule) + assert ret == { + "changes": {}, + "result": True, + "comment": "'public' is already in the desired state.", + "name": "public", + } -- 2.45.2
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