molly-brown/main.go

77 lines
1.5 KiB
Go

package main
import (
"crypto/tls"
"flag"
"fmt"
"log"
"os"
"strconv"
)
func main() {
var conf_file string
// Parse args and read config
flag.StringVar(&conf_file, "c", "", "Path to config file")
flag.Parse()
if conf_file == "" {
_, err := os.Stat("/etc/molly.conf")
if !os.IsNotExist(err) {
conf_file = "/etc/molly.conf"
}
}
config, err := getConfig(conf_file)
if err != nil {
fmt.Println("Error reading config file " + conf_file)
fmt.Println(err)
os.Exit(1)
}
// Open logfile
logfile, err := os.OpenFile(config.LogPath, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
if err != nil {
fmt.Println("Error opening log file " + config.LogPath + ".")
os.Exit(2)
}
defer logfile.Close()
// Read TLS files, create TLS config
cert, err := tls.LoadX509KeyPair(config.CertPath, config.KeyPath)
if err != nil {
log.Fatal(err)
}
tlscfg := &tls.Config{
Certificates: []tls.Certificate{cert},
MinVersion: tls.VersionTLS12,
ClientAuth: tls.RequestClientCert,
}
// Create TLS listener
listener, err := tls.Listen("tcp", ":" + strconv.Itoa(config.Port), tlscfg)
if err != nil {
fmt.Println(err)
return
}
defer listener.Close()
// Start log handling routine
logEntries := make(chan LogEntry, 10)
go func () {
for {
entry := <- logEntries
writeLogEntry(logfile, entry)
}
}()
// Infinite serve loop
for {
conn, err := listener.Accept()
if err != nil {
log.Fatal(err)
}
go handleGeminiRequest(conn, config, logEntries)
}
}