1#!/usr/bin/env bash
2
3# Copyright 2021 The Kubernetes Authors.
4#
5# Licensed under the Apache License, Version 2.0 (the "License");
6# you may not use this file except in compliance with the License.
7# You may obtain a copy of the License at
8#
9# http://www.apache.org/licenses/LICENSE-2.0
10#
11# Unless required by applicable law or agreed to in writing, software
12# distributed under the License is distributed on an "AS IS" BASIS,
13# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14# See the License for the specific language governing permissions and
15# limitations under the License.
16
17# This script replace "net" stdlib IP and CIDR parsers
18# with the ones forked in k8s.io/utils/net to parse IP addresses
19# because of the compatibility break introduced in golang 1.17
20# Reference: #100895
21# Usage: `hack/update-netparse-cve.sh`.
22
23set -o errexit
24set -o nounset
25set -o pipefail
26
27KUBE_ROOT=$(dirname "${BASH_SOURCE[0]}")/..
28source "${KUBE_ROOT}/hack/lib/init.sh"
29source "${KUBE_ROOT}/hack/lib/util.sh"
30
31kube::golang::setup_env
32
33# Ensure that we find the binaries we build before anything else.
34export GOBIN="${KUBE_OUTPUT_BIN}"
35PATH="${GOBIN}:${PATH}"
36
37# Install golangci-lint
38echo 'installing net parser converter'
39go -C "${KUBE_ROOT}/hack/tools" install github.com/aojea/sloppy-netparser
40
41cd "${KUBE_ROOT}"
42
43function git_find() {
44 # Similar to find but faster and easier to understand. We want to include
45 # modified and untracked files because this might be running against code
46 # which is not tracked by git yet.
47 git ls-files -cmo --exclude-standard \
48 ':!:vendor/*' `# catches vendor/...` \
49 ':!:*/vendor/*' `# catches any subdir/vendor/...` \
50 ':!:third_party/*' `# catches third_party/...` \
51 ':!:*/third_party/*' `# catches any subdir/third_party/...` \
52 ':!:*/testdata/*' `# catches any subdir/testdata/...` \
53 ':(glob)**/*.go' \
54 "$@"
55}
56
57# replace net.ParseIP() and netParseIPCDR
58git_find -z | xargs -0 sloppy-netparser
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