d8e0a13aae
* update gofumpt to 0.3.1 and reformat the repo * output the version of the formatter we're using
39 lines
1.7 KiB
Go
39 lines
1.7 KiB
Go
//go:build (!fips && (fips_140_2 || fips_140_3)) || (fips && !fips_140_2 && !fips_140_3) || (fips_140_2 && fips_140_3)
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package constants
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import "C"
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// This function is the equivalent of an external (CGo) function definition,
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// without implementation in any imported or built library. This results in
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// a linker err if the above build constraints are satisfied:
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//
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// /home/cipherboy/GitHub/cipherboy/vault-enterprise/helper/constants/fips_build_check.go:10: undefined reference to `github.com/hashicorp/vault/helper/constants.VaultFIPSBuildRequiresVersionAgnosticTagAndOneVersionTag'
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//
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// This indicates that a build error has occurred due to mismatched tags.
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//
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// In particular, we use this to enforce the following restrictions on build
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// tags:
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//
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// - If a versioned fips_140_* tag is specified, the unversioned tag must
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// also be.
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// - If the unversioned tag is specified, a versioned tag must be.
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// - Both versioned flags cannot be specified at the same time.
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//
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// In the unlikely event that a FFI implementation for this function exists
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// in the future, it should be renamed to a new function which does not
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// exist.
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//
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// This approach was chosen above the other implementation in fips_cgo_check.go
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// because this version does not break static analysis tools: most tools do not
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// cross the CGo boundary and thus do not know that the below function is
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// missing an implementation. However, in the other file, the function call is
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// not marked as CGo (in part large because the lack of a cgo build tag
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// prohibits us from using the same technique) and thus it must be a Go
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// declaration, that is missing.
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func VaultFIPSBuildRequiresVersionAgnosticTagAndOneVersionTag()
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func init() {
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VaultFIPSBuildRequiresVersionAgnosticTagAndOneVersionTag()
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}
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