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From 0e28840f5c3362d032f2f805cbbe6fbbaa217437 Mon Sep 17 00:00:00 2001
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From: Eric Garver <eric@garver.life>
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Date: Wed, 27 Oct 2021 13:58:27 -0400
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Subject: [PATCH 44/50] fix(io/functions): check_config against on disk conf
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Before this change the runtime FirewallConfig() instance was used. This
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caused some permanent configuration issues to not be caught due to
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comparing against the runtime instances of all objects.
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For example, two zones in permanent configuration may use the same
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interface (which is not valid), but if the runtime configuration does
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not have have these interface assignments then check_config() won't
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catch the issue since it compares against the runtime configuration.
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Fix is to build a temporary FirewallConfig() instance for all the
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on-disk/permanent configuration.
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(cherry picked from commit 35d4facc8962cd1b66bc245fe03f658d491e1061)
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(cherry picked from commit 55a799e872dc88b1341a6bc38af33e77dfedb72f)
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---
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src/firewall/core/io/functions.py | 47 ++++++++++++++++++++++---------
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1 file changed, 34 insertions(+), 13 deletions(-)
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diff --git a/src/firewall/core/io/functions.py b/src/firewall/core/io/functions.py
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index 0c7b1886426c..35a7eaf8dec8 100644
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--- a/src/firewall/core/io/functions.py
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+++ b/src/firewall/core/io/functions.py
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@@ -24,6 +24,7 @@ import os
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from firewall import config
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from firewall.errors import FirewallError
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+from firewall.core.fw_config import FirewallConfig
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from firewall.core.io.zone import zone_reader
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from firewall.core.io.service import service_reader
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from firewall.core.io.ipset import ipset_reader
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@@ -34,26 +35,46 @@ from firewall.core.io.direct import Direct
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from firewall.core.io.lockdown_whitelist import LockdownWhitelist
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from firewall.core.io.firewalld_conf import firewalld_conf
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-def check_config(fw=None):
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+def check_config(fw):
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+ fw_config = FirewallConfig(fw)
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readers = {
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- "ipset" : (ipset_reader, [config.FIREWALLD_IPSETS, config.ETC_FIREWALLD_IPSETS]),
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- "helper" : (helper_reader, [config.FIREWALLD_HELPERS, config.ETC_FIREWALLD_HELPERS]),
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- "icmptype" : (icmptype_reader, [config.FIREWALLD_ICMPTYPES, config.ETC_FIREWALLD_ICMPTYPES]),
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- "service" : (service_reader, [config.FIREWALLD_SERVICES, config.ETC_FIREWALLD_SERVICES]),
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- "zone" : (zone_reader, [config.FIREWALLD_ZONES, config.ETC_FIREWALLD_ZONES]),
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- "policy" : (policy_reader, [config.FIREWALLD_POLICIES, config.ETC_FIREWALLD_POLICIES]),
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+ "ipset": {"reader": ipset_reader,
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+ "add": fw_config.add_ipset,
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+ "dirs": [config.FIREWALLD_IPSETS, config.ETC_FIREWALLD_IPSETS],
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+ },
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+ "helper": {"reader": helper_reader,
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+ "add": fw_config.add_helper,
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+ "dirs": [config.FIREWALLD_HELPERS, config.ETC_FIREWALLD_HELPERS],
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+ },
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+ "icmptype": {"reader": icmptype_reader,
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+ "add": fw_config.add_icmptype,
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+ "dirs": [config.FIREWALLD_ICMPTYPES, config.ETC_FIREWALLD_ICMPTYPES],
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+ },
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+ "service": {"reader": service_reader,
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+ "add": fw_config.add_service,
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+ "dirs": [config.FIREWALLD_SERVICES, config.ETC_FIREWALLD_SERVICES],
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+ },
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+ "zone": {"reader": zone_reader,
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+ "add": fw_config.add_zone,
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+ "dirs": [config.FIREWALLD_ZONES, config.ETC_FIREWALLD_ZONES],
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+ },
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+ "policy": {"reader": policy_reader,
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+ "add": fw_config.add_policy_object,
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+ "dirs": [config.FIREWALLD_POLICIES, config.ETC_FIREWALLD_POLICIES],
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+ },
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}
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for reader in readers.keys():
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- for dir in readers[reader][1]:
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- if not os.path.isdir(dir):
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+ for _dir in readers[reader]["dirs"]:
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+ if not os.path.isdir(_dir):
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continue
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- for file in sorted(os.listdir(dir)):
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+ for file in sorted(os.listdir(_dir)):
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if file.endswith(".xml"):
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try:
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- obj = readers[reader][0](file, dir)
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- if fw and reader in ["zone", "policy"]:
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- obj.fw_config = fw.config
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+ obj = readers[reader]["reader"](file, _dir)
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+ if reader in ["zone", "policy"]:
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+ obj.fw_config = fw_config
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obj.check_config(obj.export_config())
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+ readers[reader]["add"](obj)
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except FirewallError as error:
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raise FirewallError(error.code, "'%s': %s" % (file, error.msg))
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except Exception as msg:
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--
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2.27.0
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