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router_unix.go
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/
router_unix.go
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//go:build linux || darwin || freebsd
package http
import (
"net"
"os"
"syscall"
"github.com/fasthttp/router"
"github.com/valyala/fasthttp"
"github.com/yunginnanet/HellPot/internal/config"
)
func listenOnUnixSocket(addr string, r *router.Router) error {
var err error
var unixAddr *net.UnixAddr
var unixListener *net.UnixListener
unixAddr, err = net.ResolveUnixAddr("unix", addr)
if err != nil {
return err
}
// Always unlink sockets before listening on them
_ = syscall.Unlink(addr)
// Before we set socket permissions, we want to make sure only the user HellPot is running under
// has permission to the socket.
oldmask := syscall.Umask(0o077)
unixListener, err = net.ListenUnix("unix", unixAddr)
syscall.Umask(oldmask)
if err != nil {
return err
}
if err = os.Chmod(
unixAddr.Name,
os.FileMode(config.UnixSocketPermissions),
); err != nil {
return err
}
return fasthttp.Serve(unixListener, r.Handler)
}