This repository has been archived by the owner on Feb 11, 2022. It is now read-only.
forked from aerospike/aerospike-client-go
-
Notifications
You must be signed in to change notification settings - Fork 0
/
tls_secure_connection.go
140 lines (115 loc) · 4.3 KB
/
tls_secure_connection.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
/*
* Copyright 2012-2020 Aerospike, Inc.
*
* Portions may be licensed to Aerospike, Inc. under one or more contributor
* license agreements.
*
* Licensed 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.
*/
package main
import (
"crypto/tls"
"crypto/x509"
"flag"
"io/ioutil"
"log"
"os"
"path/filepath"
as "github.com/aerospike/aerospike-client-go"
)
var Host = flag.String("h", "127.0.0.1", "Aerospike server seed hostnames or IP addresses")
var Port = flag.Int("p", 3000, "Aerospike server seed hostname or IP address port number.")
var showUsage = flag.Bool("u", false, "Show usage information.")
var tlsName = flag.String("tlsName", "", "Aerospike server TLS name")
var encryptOnly = flag.Bool("encryptOnly", false, "Should the TLS connection be encrypted only without authentication?")
var useSystemCerts = flag.Bool("useSystemCerts", false, "Add system certificates to the RootCA list?")
var serverCertDir = flag.String("serverCertDir", "", "Server certificate dir.")
var clientCertFile = flag.String("clientCertFile", "", "Client Cert File")
var clientKeyFile = flag.String("clientKeyFile", "", "Client Key File")
func printParams() {
log.Printf("hosts:\t\t%s", *Host)
log.Printf("port:\t\t%d", *Port)
}
func main() {
log.SetOutput(os.Stdout)
flag.Parse()
if *showUsage {
flag.Usage()
os.Exit(0)
}
printParams()
serverCertPool, clientCertPool := readCertificates(*serverCertDir, *clientCertFile, *clientKeyFile)
clientPolicy := as.NewClientPolicy()
if len(*tlsName) > 0 || *encryptOnly == true {
// Setup TLS Config
tlsConfig := &tls.Config{
Certificates: clientCertPool,
RootCAs: serverCertPool,
InsecureSkipVerify: *encryptOnly,
PreferServerCipherSuites: true,
}
tlsConfig.BuildNameToCertificate()
clientPolicy.TlsConfig = tlsConfig
}
client, err := as.NewClientWithPolicy(clientPolicy, *Host, *Port)
if err != nil {
log.Fatalln("Failed to connect to the server cluster: ", err)
}
log.Println("Connection successful. Discovered nodes:", client.Cluster().GetNodes())
log.Println("Example finished successfully.")
}
func readCertificates(serverCertDir string, clientCertFile, clientKeyFile string) (serverPool *x509.CertPool, clientPool []tls.Certificate) {
var err error
if *useSystemCerts {
// Try to load system CA certs, otherwise just make an empty pool
serverPool, err = x509.SystemCertPool()
if serverPool == nil || err != nil {
log.Printf("FAILED: Adding system certificates to the pool failed: %s", err)
serverPool = x509.NewCertPool()
}
}
// Load server certs from directory
if len(serverCertDir) > 0 {
serverCerts := dirFiles(serverCertDir)
// Adding server certificates to the pool.
// These certificates are used to verify the identity of the server nodes to the client.
for _, caFile := range serverCerts {
caCert, err := ioutil.ReadFile(caFile)
if err != nil {
log.Fatalf("FAILED: Adding server certificate %s to the pool failed: %s", caFile, err)
}
log.Printf("Adding server certificate %s to the pool...", caFile)
serverPool.AppendCertsFromPEM(caCert)
}
}
// Try to load client cert
if len(clientCertFile)+len(clientCertFile) > 0 {
// Loading the client certificate.
// This certificate is used to verify the identity of the client to the server nodes.
cert, err := tls.LoadX509KeyPair(clientCertFile, clientKeyFile)
if err != nil {
log.Fatalf("FAILED: Adding client certificate %s to the pool failed: %s", clientCertFile, err)
}
log.Printf("Adding client certificate %s to the pool...", clientCertFile)
clientPool = append(clientPool, cert)
}
return serverPool, clientPool
}
func dirFiles(root string) (files []string) {
err := filepath.Walk(root, func(path string, info os.FileInfo, err error) error {
files = append(files, path)
return nil
})
if err != nil {
log.Fatalln(err)
}
return files
}