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package main
import (
"errors"
"fmt"
"net"
"os"
"syscall"
)
var err_not_unixconn = errors.New("Not a unix connection")
func hooks_handle_connection(conn net.Conn) (err error) {
defer conn.Close()
unix_conn, ok := conn.(*net.UnixConn)
if !ok {
return err_not_unixconn
}
fd, err := unix_conn.File()
if err != nil {
return err
}
defer fd.Close()
ucred, err := get_ucred(fd)
if err != nil {
return err
}
pid := ucred.Pid
conn.Write([]byte{0})
fmt.Fprintf(conn, "your PID is %d\n", pid)
return nil
}
func serve_git_hooks(listener net.Listener) error {
conn, err := listener.Accept()
if err != nil {
return err
}
return hooks_handle_connection(conn)
}
func get_ucred(fd *os.File) (*syscall.Ucred, error) {
ucred, err := syscall.GetsockoptUcred(int(fd.Fd()), syscall.SOL_SOCKET, syscall.SO_PEERCRED)
if err != nil {
return nil, fmt.Errorf("failed to get credentials: %v", err)
}
return ucred, nil
}
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