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0b12cdcfd1
* Adding explicit MPL license for sub-package. This directory and its subdirectories (packages) contain files licensed with the MPLv2 `LICENSE` file in this directory and are intentionally licensed separately from the BSL `LICENSE` file at the root of this repository. * Adding explicit MPL license for sub-package. This directory and its subdirectories (packages) contain files licensed with the MPLv2 `LICENSE` file in this directory and are intentionally licensed separately from the BSL `LICENSE` file at the root of this repository. * Updating the license from MPL to Business Source License. Going forward, this project will be licensed under the Business Source License v1.1. Please see our blog post for more details at https://hashi.co/bsl-blog, FAQ at www.hashicorp.com/licensing-faq, and details of the license at www.hashicorp.com/bsl. * add missing license headers * Update copyright file headers to BUS-1.1 * Fix test that expected exact offset on hcl file --------- Co-authored-by: hashicorp-copywrite[bot] <110428419+hashicorp-copywrite[bot]@users.noreply.github.com> Co-authored-by: Sarah Thompson <sthompson@hashicorp.com> Co-authored-by: Brian Kassouf <bkassouf@hashicorp.com>
60 lines
1.6 KiB
Go
60 lines
1.6 KiB
Go
// Copyright (c) HashiCorp, Inc.
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// SPDX-License-Identifier: BUSL-1.1
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package internal
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import (
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"fmt"
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"os"
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"sync"
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_ "unsafe" // for go:linkname
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goversion "github.com/hashicorp/go-version"
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"github.com/hashicorp/vault/version"
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)
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const sha1PatchVersionsBefore = "1.12.0"
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var patchSha1 sync.Once
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//go:linkname debugAllowSHA1 crypto/x509.debugAllowSHA1
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var debugAllowSHA1 bool
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// PatchSha1 patches Go 1.18+ to allow certificates with signatures containing SHA-1 hashes to be allowed.
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// It is safe to call this function multiple times.
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// This is necessary to allow Vault 1.10 and 1.11 to work with Go 1.18+ without breaking backwards compatibility
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// with these certificates. See https://go.dev/doc/go1.18#sha1 and
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// https://developer.hashicorp.com/vault/docs/deprecation/faq#q-what-is-the-impact-of-removing-support-for-x-509-certificates-with-signatures-that-use-sha-1
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// for more details.
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// TODO: remove when Vault <=1.11 is no longer supported
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func PatchSha1() {
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patchSha1.Do(func() {
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// for Go 1.19.4 and later
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godebug := os.Getenv("GODEBUG")
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if godebug != "" {
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godebug += ","
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}
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godebug += "x509sha1=1"
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os.Setenv("GODEBUG", godebug)
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// for Go 1.19.3 and earlier, patch the variable
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patchBefore, err := goversion.NewSemver(sha1PatchVersionsBefore)
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if err != nil {
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panic(err)
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}
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patch := false
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v, err := goversion.NewSemver(version.GetVersion().Version)
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if err == nil {
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patch = v.LessThan(patchBefore)
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} else {
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fmt.Fprintf(os.Stderr, "Cannot parse version %s; going to apply SHA-1 deprecation patch workaround\n", version.GetVersion().Version)
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patch = true
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}
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if patch {
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debugAllowSHA1 = true
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}
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})
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}
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