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/*
This is the authfs daemon. It stores the user database and client
sessions, and serves a 9P filesystem for managing them.
User data (usernames and password hashes) are stored on disk. Sessions
are stored in memory.
*/
package main
import (
"flag"
"io"
"log"
"net"
"os"
"github.com/Harvey-OS/ninep/pkg/debugfs"
p9 "github.com/Harvey-OS/ninep/protocol"
)
var (
root = flag.String("root", ".", "root directory")
ntype = flag.String("net", "unix", "network type: {tcp, unix}")
naddr = flag.String("addr", "authfs.sock", "network address")
debug = flag.Bool("debug", false, "print debug messages")
outlog = log.New(os.Stdout, "authfs [info]: ", log.LstdFlags)
errlog = log.New(os.Stderr, "authfs [error]: ", log.LstdFlags|log.Lshortfile)
)
func main() {
flag.Parse()
sock, err := net.Listen(*ntype, *naddr)
if err != nil {
errlog.Fatal(err)
}
defer logClose(sock, errlog)
fs, err := NewAuthfs(*root)
if err != nil {
errlog.Fatal(err)
}
defer fs.Close()
nsCreator := func() p9.NineServer {
if *debug {
return &debugfs.DebugFileServer{fs}
} else {
return fs
}
}
ln, err := p9.NewListener(nsCreator, func(l *p9.Listener) error {
l.Trace = func(format string, a ...any) {
outlog.Printf(format, a...)
}
return nil
})
if err != nil {
errlog.Fatal(err)
}
if err := ln.Serve(sock); err != nil {
errlog.Fatal(err)
}
}
func logClose(c io.Closer, l *log.Logger) {
if err := c.Close(); err != nil {
l.Println(err)
}
}
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