// Copyright (C) 2020 Guido Berhoerster // // Permission is hereby granted, free of charge, to any person obtaining // a copy of this software and associated documentation files (the // "Software"), to deal in the Software without restriction, including // without limitation the rights to use, copy, modify, merge, publish, // distribute, sublicense, and/or sell copies of the Software, and to // permit persons to whom the Software is furnished to do so, subject to // the following conditions: // // The above copyright notice and this permission notice shall be included // in all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. // IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY // CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, // TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE // SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. package main import ( "fmt" "net" ) func init() { cmdInfo.Flag.StringVar(&username, "u", "", "Set the username") cmdInfo.Flag.StringVar(&passwordFilename, "P", "", "Set the name of the password file") } var cmdInfo = &command{ UsageLine: "info [options] host[:port]", Run: runInfo, } func runInfo(cmd *command, args []string) error { if len(args) != 1 { return usageError("invalid number of arguments") } host, port, err := parseHostPort(args[0]) if err != nil { return err } username, password, err := usernamePassword(host, port, username, passwordFilename) if err != nil { return err } c, err := dialPlainAuth(net.JoinHostPort(host, port), username, password) if err != nil { return err } defer c.Logout() fmt.Printf("%s (%s)\n", net.JoinHostPort(host, port), c.Implementation()) if c.SupportsRFC5804() { fmt.Println("RFC5804 supported") } if c.SupportsTLS() { fmt.Println("STARTTLS supported") } fmt.Printf("SASL mechanisms:\n") for _, m := range c.SASLMechanisms() { fmt.Printf(" %s\n", m) } fmt.Printf("Extensions:\n") for _, e := range c.Extensions() { fmt.Printf(" %s\n", e) } fmt.Printf("Notification methods:\n") for _, m := range c.NotifyMethods() { fmt.Printf(" %s\n", m) } return nil }