warehost/cmd/warehost-auth/main.go

package main

import (
	"flag"
	"os"

	"database/sql"
	_ "github.com/lib/pq"

	libpassword "dev.sum7.eu/sum7/warehost/lib/password"
)

var (
	configFile string
	username   string
	password   string
	config     *Config
	db         *sql.DB
	err        error
)

func main() {
	flag.StringVar(&configFile, "c", "config.yml", "path of configuration file")
	flag.StringVar(&username, "u", "none", "username")
	flag.StringVar(&password, "p", "none", "password")
	flag.Parse()
	config = ReadConfigFile(configFile)

	db, err = sql.Open("postgres", config.Database)
	if err != nil {
		os.Exit(111)
	}
	defer db.Close()

	var realPassword string
	err = db.QueryRow("select password from login where mail = $1", username).Scan(&realPassword)
	if err != nil {
		os.Exit(3)
	}

	output, _ := libpassword.Validate(realPassword, password)
	if output {
		os.Exit(0)
	} else {
		os.Exit(1)
	}
}