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[dev.boringcrypto] crypto/internal/boring: fix detection of tests to allow *.test and *_test

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When using the go command, test binaries end in .test,
but when using Bazel, test binaries conventionally end in _test.

Change-Id: Ic4cac8722fd93ae316169f87b321f68e0b71f0c3
Reviewed-on: https://go-review.googlesource.com/63913
Reviewed-by: Adam Langley <agl@golang.org>
This commit is contained in:
Russ Cox 2017-09-13 23:06:54 -04:00
parent c9e2d9eb06
commit aa4a4a80ff
1 changed files with 8 additions and 3 deletions
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11
src/crypto/internal/boring/boring.go
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@ -30,12 +30,17 @@ func Unreachable() {
// provided by runtime to avoid os import
func runtime_arg0() string
func hasSuffix(s, t string) bool {
return len(s) > len(t) && s[len(s)-len(t):] == t
}
// UnreachableExceptTests marks code that should be unreachable
// when BoringCrypto is in use. It panics.
func UnreachableExceptTests() {
arg0 := runtime_arg0()
if len(arg0) < 5 || arg0[len(arg0)-5:] != ".test" {
println("ARG0", arg0)
name := runtime_arg0()
// If BoringCrypto ran on Windows we'd need to allow _test.exe and .test.exe as well.
if !hasSuffix(name, "_test") && !hasSuffix(name, ".test") {
println("boringcrypto: unexpected code execution in", name)
panic("boringcrypto: invalid code execution")
}
}