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chore: import upstream snapshot with attribution
2026-07-13 12:31:17 +08:00

75 lines
2.2 KiB
Go

// Licensed to the LF AI & Data foundation under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//go:build boringcrypto
package fips
/*
#cgo LDFLAGS: -lcrypto
#include <openssl/conf.h>
#include <openssl/evp.h>
#include <openssl/provider.h>
#include <openssl/rand.h>
static int enableOpenSSLFIPS() {
unsigned char buf[1];
if (!OSSL_LIB_CTX_load_config(NULL, "/milvus/configs/ssl/openssl-fips.cnf")) {
return -1; // config load failed
}
if (!EVP_default_properties_is_fips_enabled(NULL)) {
return 0; // config loaded but fips=yes not set
}
// EVP_default_properties_is_fips_enabled only checks the property string,
// not whether the FIPS provider is actually loaded. Verify by checking
// that RAND_bytes works (requires a working FIPS DRBG).
if (RAND_bytes(buf, 1) != 1) {
return -2; // FIPS property set but provider not functional
}
return 1; // FIPS truly enabled and functional
}
*/
import "C"
import (
"log"
"sync"
)
var (
fipsOnce sync.Once
opensslFIPSEnabled bool
)
func MaybeEnableOpenSSLFIPS() bool {
fipsOnce.Do(func() {
rc := C.enableOpenSSLFIPS()
switch rc {
case 1:
log.Println("OpenSSL FIPS mode enabled")
opensslFIPSEnabled = true
case 0:
log.Println("WARNING: OpenSSL FIPS config loaded but fips=yes not set in default properties")
case -2:
log.Println("FATAL: OpenSSL FIPS property set but FIPS provider not functional (check OPENSSL_MODULES env var and .include path in openssl-fips.cnf)")
default:
log.Println("Failed to load OpenSSL FIPS config")
}
})
return opensslFIPSEnabled
}