89 lines
2.1 KiB
Go
89 lines
2.1 KiB
Go
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// Copyright 2011 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// +build dragonfly freebsd linux nacl netbsd openbsd solaris
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package x509
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import (
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"io/ioutil"
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"os"
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)
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// Possible directories with certificate files; stop after successfully
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// reading at least one file from a directory.
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var certDirectories = []string{
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"/etc/ssl/certs", // SLES10/SLES11, https://golang.org/issue/12139
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"/system/etc/security/cacerts", // Android
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"/usr/local/share/certs", // FreeBSD
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"/etc/pki/tls/certs", // Fedora/RHEL
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"/etc/openssl/certs", // NetBSD
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}
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const (
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// certFileEnv is the environment variable which identifies where to locate
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// the SSL certificate file. If set this overrides the system default.
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certFileEnv = "SSL_CERT_FILE"
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// certDirEnv is the environment variable which identifies which directory
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// to check for SSL certificate files. If set this overrides the system default.
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certDirEnv = "SSL_CERT_DIR"
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)
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func (c *Certificate) systemVerify(opts *VerifyOptions) (chains [][]*Certificate, err error) {
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return nil, nil
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}
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func loadSystemRoots() (*CertPool, error) {
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roots := NewCertPool()
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files := certFiles
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if f := os.Getenv(certFileEnv); f != "" {
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files = []string{f}
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}
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var firstErr error
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for _, file := range files {
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data, err := ioutil.ReadFile(file)
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if err == nil {
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roots.AppendCertsFromPEM(data)
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break
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}
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if firstErr == nil && !os.IsNotExist(err) {
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firstErr = err
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}
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}
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dirs := certDirectories
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if d := os.Getenv(certDirEnv); d != "" {
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dirs = []string{d}
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}
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for _, directory := range dirs {
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fis, err := ioutil.ReadDir(directory)
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if err != nil {
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if firstErr == nil && !os.IsNotExist(err) {
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firstErr = err
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}
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continue
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}
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rootsAdded := false
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for _, fi := range fis {
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data, err := ioutil.ReadFile(directory + "/" + fi.Name())
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if err == nil && roots.AppendCertsFromPEM(data) {
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rootsAdded = true
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}
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}
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if rootsAdded {
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return roots, nil
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}
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}
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if len(roots.certs) > 0 {
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return roots, nil
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}
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return nil, firstErr
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}
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