64 lines
1.3 KiB
Go
64 lines
1.3 KiB
Go
package main
|
|
|
|
import (
|
|
"crypto/tls"
|
|
"crypto/x509"
|
|
"fmt"
|
|
"log"
|
|
"os"
|
|
|
|
"git.qowevisa.me/Qowevisa/gotell/env"
|
|
)
|
|
|
|
func main() {
|
|
host, err := env.GetHost()
|
|
if err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
port, err := env.GetPort()
|
|
if err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
|
|
loadingFileName := env.ServerFullchainFileName
|
|
cert, err := os.ReadFile(loadingFileName)
|
|
if err != nil {
|
|
log.Fatalf("client: load root cert: %s", err)
|
|
}
|
|
log.Printf("Certificate %s loaded successfully!\n", loadingFileName)
|
|
//
|
|
roots := x509.NewCertPool()
|
|
if ok := roots.AppendCertsFromPEM(cert); !ok {
|
|
log.Fatalf("client: failed to parse root certificate")
|
|
}
|
|
|
|
config := &tls.Config{
|
|
RootCAs: roots,
|
|
}
|
|
conn, err := tls.Dial("tcp", fmt.Sprintf("%s:%d", host, port), config)
|
|
if err != nil {
|
|
log.Fatalf("client: dial: %s", err)
|
|
}
|
|
defer conn.Close()
|
|
|
|
log.Println("client: connected to: ", conn.RemoteAddr())
|
|
|
|
message := "Hello secure Server\n"
|
|
n, err := conn.Write([]byte(message))
|
|
if err != nil {
|
|
log.Fatalf("client: write: %s", err)
|
|
}
|
|
|
|
log.Printf("client: wrote %q (%d bytes)", message, n)
|
|
|
|
reply := make([]byte, 256)
|
|
n, err = conn.Read(reply)
|
|
if err != nil {
|
|
log.Fatalf("client: read: %s", err)
|
|
}
|
|
|
|
log.Printf("client: read %q (%d bytes)", string(reply[:n]), n)
|
|
|
|
log.Print("client: exiting")
|
|
}
|