Files
EvoFirewall/scripts/ci/linux-netns-smoke.sh
T
Denozordec 9fa6269174
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feat: harden firewall policies telemetry and operations
Implement reliable agent apply, telemetry v2, analytics retention, guarded rollouts, enrollment, labels and webhooks. Improve ReUI frontend data safety and bounded list loading, and add Docker smoke, recovery and resource checks. Document local verification and pending native acceptance.
2026-10-26 13:10:58 +07:00

81 lines
4.2 KiB
Bash

#!/usr/bin/env bash
# All firewall mutations run only after unshare creates BOTH a network and mount
# namespace. Never installs/runs the agent against the runner's host firewall.
set -Eeuo pipefail
[[ $(uname -s) == Linux ]] || { echo 'Linux namespace runner required' >&2; exit 1; }
for command in unshare ip nft ipset iptables ip6tables python3 curl mount flock timeout; do command -v "$command" >/dev/null; done
temporary=$(mktemp -d)
trap 'rm -rf -- "$temporary"' EXIT
cp apps/api/src/agent-scripts/evofw-firewall.sh "$temporary/agent.sh"
cp scripts/ci/linux-agent-fixture.py "$temporary/server.py"
parent_net=$(readlink /proc/self/ns/net)
parent_mount=$(readlink /proc/self/ns/mnt)
for backend in nft ipset; do
rm -f "$temporary/port" "$temporary/port6" "$temporary/invalid"
unshare --net --mount --pid --fork --mount-proc env EVOFW_TEST_PARENT_NET="$parent_net" EVOFW_TEST_PARENT_MOUNT="$parent_mount" \
bash -s -- "$temporary" "$backend" <<'CHILD'
set -Eeuo pipefail
root=$1
backend=$2
unset http_proxy HTTP_PROXY https_proxy HTTPS_PROXY ALL_PROXY all_proxy
export NO_PROXY='*'
[[ $(readlink /proc/self/ns/net) != "$EVOFW_TEST_PARENT_NET" ]]
[[ $(readlink /proc/self/ns/mnt) != "$EVOFW_TEST_PARENT_MOUNT" ]]
mount --make-rprivate /
# Agent hardcoded config/state/log paths are private mounts, never host writes.
for directory in /etc /var/lib /var/log /run; do mount -t tmpfs tmpfs "$directory"; done
mkdir -p /etc/evofw /var/lib/evofw
ip link set lo up
ip netns add client
ip link add server0 type veth peer name client0
ip link set client0 netns client
ip addr add 198.18.0.1/24 dev server0
ip -6 addr add 2001:db8:1::1/64 dev server0 nodad
ip link set server0 up
ip -n client addr add 198.18.0.2/24 dev client0
ip -n client -6 addr add 2001:db8:1::2/64 dev client0 nodad
ip -n client link set client0 up
ip -n client link set lo up
python3 "$root/server.py" "$root" &
server_pid=$!
trap 'kill "$server_pid" 2>/dev/null || true; ip netns del client 2>/dev/null || true' EXIT
for attempt in {1..100}; do [[ ! -f "$root/port" ]] || break; sleep .05; done
port=$(cat "$root/port")
port6=$(cat "$root/port6")
cat > /etc/evofw/agent.conf <<CONF
EVOFW_CP_URL=http://127.0.0.1:$port
CLIENT_TOKEN=namespace-test-only
KERNEL_BACKEND=$backend
EVOFW_SKIP_SELF_UPDATE=1
CONF
nft add table inet unrelated
nft 'add chain inet unrelated input { type filter hook input priority 10; policy accept; }'
# A fresh connection through a veth verifies actual packet enforcement.
ip netns exec client curl --noproxy '*' --max-time 2 -fsS "http://198.18.0.1:$port/echo" >/dev/null
ip netns exec client curl --noproxy '*' --max-time 2 -gfsS "http://[2001:db8:1::1]:$port6/echo" >/dev/null
bash "$root/agent.sh"
python3 -c 'import json; assert json.load(open("/var/lib/evofw/telemetry-state.json"))["pending"] == [], "fixture ACK did not drain durable telemetry"'
[[ $(cat /var/lib/evofw/last_hash) == "sha256:$(printf '1%.0s' {1..64})" ]]
nft list table inet unrelated >/dev/null
if ip netns exec client curl --noproxy '*' --max-time 2 -fsS "http://198.18.0.1:$port/echo" >/dev/null; then echo 'deny did not block packet' >&2; exit 1; fi
if ip netns exec client curl --noproxy '*' --max-time 2 -gfsS "http://[2001:db8:1::1]:$port6/echo" >/dev/null; then echo 'IPv6 deny did not block packet' >&2; exit 1; fi
# Same hash must reconcile missing owned state, retaining unrelated rules.
if [[ "$backend" == nft ]]; then nft delete table inet evofw; else ipset flush evofw_deny_v4; fi
bash "$root/agent.sh"
if [[ "$backend" == nft ]]; then nft list table inet evofw >/dev/null; else ipset test evofw_deny_v4 198.18.0.2; fi
nft list table inet unrelated >/dev/null
touch "$root/invalid"
if bash "$root/agent.sh"; then echo 'invalid candidate unexpectedly applied' >&2; exit 1; fi
[[ $(cat /var/lib/evofw/last_hash) == "sha256:$(printf '1%.0s' {1..64})" ]]
if [[ "$backend" == nft ]]; then
nft list set inet evofw deny_v4 | grep -q '198.18.0.2'
nft list set inet evofw deny_v6 | grep -q '2001:db8:1::2'
else
ipset test evofw_deny_v4 198.18.0.2
ipset test evofw_deny_v6 2001:db8:1::2
fi
nft list table inet unrelated >/dev/null
echo "Linux namespace smoke passed ($backend): IPv4+IPv6 apply, real packet deny, drift repair, invalid-candidate last-good, unrelated table preservation"
CHILD
done