Support L2 filters such as ARP #347
Workflow file for this run
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| name: Build and Test | |
| on: | |
| push: | |
| branches: [ main ] | |
| pull_request: | |
| branches: [ main ] | |
| jobs: | |
| build: | |
| runs-on: ubuntu-22.04 | |
| steps: | |
| - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac | |
| - name: Set up Go | |
| uses: actions/setup-go@93397bea11091df50f3d7e59dc26a7711a8bcfbe | |
| with: | |
| go-version: 1.20.5 | |
| - name: Check module vendoring | |
| run: | | |
| go mod tidy | |
| go mod vendor | |
| go mod verify | |
| test -z "$(git status --porcelain)" || (echo "please run 'go mod tidy && go mod vendor', and submit your changes"; exit 1) | |
| - name: Generate and build | |
| run: | | |
| make release | |
| tar xfv release/pwru-linux-amd64.tar.gz | |
| - name: Store executable | |
| uses: actions/upload-artifact@a8a3f3ad30e3422c9c7b888a15615d19a852ae32 | |
| with: | |
| name: pwru | |
| path: pwru | |
| test: | |
| runs-on: ubuntu-latest-4cores-16gb | |
| name: Test | |
| needs: build | |
| strategy: | |
| fail-fast: false | |
| matrix: | |
| kernel: [ '5.4-v0.3', '5.15-v0.3', '6.3-main', 'bpf-next-main' ] | |
| timeout-minutes: 10 | |
| steps: | |
| - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac | |
| - name: Retrieve stored pwru executable | |
| uses: actions/download-artifact@v3 | |
| with: | |
| name: pwru | |
| path: pwru | |
| - name: Provision LVH VMs | |
| uses: cilium/little-vm-helper@908ab1ff8a596a03cd5221a1f8602dc44c3f906d # v0.0.12 | |
| with: | |
| test-name: pwru-test | |
| image-version: ${{ matrix.kernel }} | |
| host-mount: ./ | |
| dns-resolver: '1.1.1.1' | |
| install-dependencies: 'true' | |
| cmd: | | |
| chmod +x /host/pwru/pwru | |
| - name: Test basic IPv4 | |
| uses: ./.github/actions/pwru-test | |
| with: | |
| test-name: basic-ipv4 | |
| pwru-pcap-filter: 'dst host 1.0.0.1 and port 8080' | |
| traffic-setup: | | |
| iptables -I OUTPUT 1 -m tcp --proto tcp --dst 1.0.0.1/32 --dport 8080 -j DROP | |
| curl -vvv -sS --fail --connect-timeout "1" -o /dev/null http://1.0.0.1:8080 || true | |
| expected-output-pattern: '(kfree_skb_reason|kfree_skb\b).*1.0.0.1:8080' | |
| - name: Test basic IPv6 | |
| uses: ./.github/actions/pwru-test | |
| with: | |
| test-name: basic-ipv6 | |
| pwru-pcap-filter: 'dst host 2606:4700:4700::1001 and port 8080' | |
| traffic-setup: | | |
| ip6tables -I OUTPUT 1 -m tcp --proto tcp --dst 2606:4700:4700::1001 --dport 8080 -j DROP | |
| curl -vvv -sS --fail --connect-timeout "1" -o /dev/null http://[2606:4700:4700::1001]:8080 || true | |
| expected-output-pattern: '(kfree_skb_reason|kfree_skb\b).*\[2606:4700:4700::1001\]:8080' | |
| - name: Test advanced IPv4 | |
| uses: ./.github/actions/pwru-test | |
| with: | |
| test-name: advanced-ipv4 | |
| pwru-pcap-filter: 'tcp[tcpflags] = tcp-syn' | |
| traffic-setup: | | |
| iptables -I OUTPUT 1 -m tcp --proto tcp --dst 1.0.0.2/32 --dport 8080 -j DROP | |
| curl -vvv -sS --fail --connect-timeout "1" -o /dev/null http://1.0.0.2:8080 || true | |
| expected-output-pattern: '(kfree_skb_reason|kfree_skb\b).*1.0.0.2:8080' | |
| - name: Test advanced IPv6 | |
| uses: ./.github/actions/pwru-test | |
| with: | |
| test-name: advanced-ipv6 | |
| pwru-pcap-filter: 'ip6[53] & 0x3f = 0x2' | |
| traffic-setup: | | |
| ip6tables -I OUTPUT 1 -m tcp --proto tcp --dst 2606:4700:4700::1002 --dport 8080 -j DROP | |
| curl -vvv -sS --fail --connect-timeout "1" -o /dev/null http://[2606:4700:4700::1002]:8080 || true | |
| expected-output-pattern: '(kfree_skb_reason|kfree_skb\b).*\[2606:4700:4700::1002\]:8080' | |
| - name: Test pcap filter using stack | |
| uses: ./.github/actions/pwru-test | |
| with: | |
| test-name: pcap-filter-stack | |
| pwru-pcap-filter: '(((ip[2:2] - ((ip[0]&0xf)<<2)) - ((tcp[12]&0xf0)>>2)) != 0)' | |
| traffic-setup: curl -vvv -sS --fail --connect-timeout "1" -o /dev/null http://1.1.1.1 || true | |
| expected-output-pattern: '1.1.1.1:80' | |
| - name: Test --filter-track-skb | |
| # DNAT | |
| uses: ./.github/actions/pwru-test | |
| with: | |
| test-name: filter-track-skb | |
| pwru-flags: --filter-track-skb | |
| pwru-pcap-filter: dst host 10.10.20.99 | |
| traffic-setup: | | |
| iptables -t nat -I OUTPUT 1 -d 10.10.20.99/32 -j DNAT --to-destination 10.10.14.2 | |
| curl -vvv -sS --fail --connect-timeout "1" -o /dev/null http://10.10.20.99:80 || true | |
| expected-output-pattern: '10.10.14.2:80' | |
| - name: Fetch artifacts | |
| if: ${{ !success() }} | |
| uses: cilium/little-vm-helper@908ab1ff8a596a03cd5221a1f8602dc44c3f906d | |
| with: | |
| provision: 'false' | |
| cmd: | | |
| cat /tmp/pwru-*.status || true | |
| cat /tmp/pwru-*.ready || true | |
| cat /tmp/pwru-*.log || true |