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78dc50d364
ipconfig-program-options, netstat-program-options, arp-program-options, route-program-options, nslookup-program-options, ftp-program-options): Fix customize type.
651 lines
17 KiB
EmacsLisp
651 lines
17 KiB
EmacsLisp
;;; net-utils.el --- Network functions
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;; Author: Peter Breton <pbreton@cs.umb.edu>
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;; Created: Sun Mar 16 1997
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;; Keywords: network communications
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;; Time-stamp: <1998-06-13 06:19:01 pbreton>
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation; either version 2, or (at your option)
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;; any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs; see the file COPYING. If not, write to the
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;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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;; Boston, MA 02111-1307, USA.
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;;; Commentary:
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;;
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;; There are three main areas of functionality:
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;;
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;; * Wrap common network utility programs (ping, traceroute, netstat,
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;; nslookup, arp, route). Note that these wrappers are of the diagnostic
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;; functions of these programs only.
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;;
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;; * Implement some very basic protocols in Emacs Lisp (finger and whois)
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;;
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;; * Support connections to HOST/PORT, generally for debugging and the like.
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;; In other words, for doing much the same thing as "telnet HOST PORT", and
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;; then typing commands.
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;;
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;; PATHS
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;;
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;; On some systems, some of these programs are not in normal user path,
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;; but rather in /sbin, /usr/sbin, and so on.
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;;; Code:
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(eval-when-compile
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(require 'comint)
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(require 'ffap))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; Customization Variables
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(defgroup net-utils nil
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"Network utility functions."
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:prefix "net-utils-"
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:group 'comm
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:version "20.3"
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)
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(defcustom net-utils-remove-ctl-m
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(member system-type (list 'windows-nt 'msdos))
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"If non-nil, remove control-Ms from output."
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:group 'net-utils
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:type 'boolean
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)
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(defcustom traceroute-program
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(if (eq system-type 'windows-nt)
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"tracert"
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"traceroute")
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"Program to trace network hops to a destination."
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:group 'net-utils
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:type 'string
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)
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(defcustom traceroute-program-options nil
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"Options for the traceroute program."
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:group 'net-utils
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:type '(repeat string)
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)
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(defcustom ping-program "ping"
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"Program to send network test packets to a host."
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:group 'net-utils
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:type 'string
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)
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;; On Linux and Irix, the system's ping program seems to send packets
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;; indefinitely unless told otherwise
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(defcustom ping-program-options
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(and (memq system-type (list 'linux 'gnu/linux 'irix))
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(list "-c" "4"))
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"Options for the ping program.
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These options can be used to limit how many ICMP packets are emitted."
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:group 'net-utils
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:type '(repeat string)
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)
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(defcustom ipconfig-program
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(if (eq system-type 'windows-nt)
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"ipconfig"
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"ifconfig")
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"Program to print network configuration information."
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:group 'net-utils
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:type 'string
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)
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(defcustom ipconfig-program-options
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(list
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(if (eq system-type 'windows-nt)
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"/all" "-a"))
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"Options for ipconfig-program."
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:group 'net-utils
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:type '(repeat string)
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)
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(defcustom netstat-program "netstat"
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"Program to print network statistics."
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:group 'net-utils
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:type 'string
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)
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(defcustom netstat-program-options
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(list "-a")
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"Options for netstat-program."
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:group 'net-utils
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:type '(repeat string)
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)
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(defcustom arp-program "arp"
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"Program to print IP to address translation tables."
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:group 'net-utils
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:type 'string
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)
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(defcustom arp-program-options
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(list "-a")
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"Options for arp-program."
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:group 'net-utils
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:type '(repeat string)
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)
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(defcustom route-program
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(if (eq system-type 'windows-nt)
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"route"
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"netstat")
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"Program to print routing tables."
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:group 'net-utils
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:type 'string
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)
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(defcustom route-program-options
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(if (eq system-type 'windows-nt)
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(list "print")
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(list "-r"))
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"Options for route-program."
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:group 'net-utils
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:type '(repeat string)
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)
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(defcustom nslookup-program "nslookup"
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"Program to interactively query DNS information."
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:group 'net-utils
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:type 'string
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)
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(defcustom nslookup-program-options nil
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"List of options to pass to the nslookup program."
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:group 'net-utils
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:type '(repeat string)
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)
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(defcustom nslookup-prompt-regexp "^> "
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"Regexp to match the nslookup prompt."
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:group 'net-utils
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:type 'regexp
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)
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(defcustom ftp-program "ftp"
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"Progam to run to do FTP transfers."
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:group 'net-utils
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:type 'string
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)
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(defcustom ftp-program-options nil
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"List of options to pass to the FTP program."
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:group 'net-utils
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:type '(repeat string)
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)
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(defcustom ftp-prompt-regexp "^ftp>"
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"Regexp which matches the FTP program's prompt."
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:group 'net-utils
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:type 'regexp
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)
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; Nslookup goodies
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(defconst nslookup-font-lock-keywords
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(and window-system
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(progn
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(require 'font-lock)
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(list
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(list nslookup-prompt-regexp 0 font-lock-reference-face)
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(list "^[A-Za-z0-9 _]+:" 0 font-lock-type-face)
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(list "\\<\\(SOA\\|NS\\|MX\\|A\\|CNAME\\)\\>"
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1 font-lock-keyword-face)
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;; Dotted quads
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(list
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(mapconcat 'identity
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(make-list 4 "[0-9]+")
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"\\.")
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0 font-lock-variable-name-face)
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;; Host names
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(list
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(let ((host-expression "[-A-Za-z0-9]+"))
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(concat
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(mapconcat 'identity
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(make-list 2 host-expression)
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"\\.")
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"\\(\\." host-expression "\\)*")
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)
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0 font-lock-variable-name-face)
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)))
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"Expressions to font-lock for nslookup.")
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(defvar nslookup-abbrev-table (make-abbrev-table)
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"Abbrev table for nslookup.")
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(define-abbrev nslookup-abbrev-table "e" "exit")
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(define-abbrev nslookup-abbrev-table "f" "finger")
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(define-abbrev nslookup-abbrev-table "h" "help")
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(define-abbrev nslookup-abbrev-table "lse" "lserver")
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(define-abbrev nslookup-abbrev-table "r" "root")
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(define-abbrev nslookup-abbrev-table "s" "set")
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(define-abbrev nslookup-abbrev-table "se" "server")
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(define-abbrev nslookup-abbrev-table "v" "viewer")
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; FTP goodies
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(defvar ftp-abbrev-table (make-abbrev-table)
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"Abbrev table for ftp.")
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(define-abbrev ftp-abbrev-table "q" "quit")
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(define-abbrev ftp-abbrev-table "g" "get")
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(define-abbrev ftp-abbrev-table "p" "prompt")
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(define-abbrev ftp-abbrev-table "anon" "anonymous")
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(defconst ftp-font-lock-keywords
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(and window-system
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(progn
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(require 'font-lock)
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(list
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(list ftp-prompt-regexp 0 font-lock-reference-face)))))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; Utility functions
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(defun net-utils-remove-ctrl-m-filter (process output-string)
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"Remove trailing control Ms."
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(let ((old-buffer (current-buffer))
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(filtered-string output-string))
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(unwind-protect
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(let ((moving))
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(set-buffer (process-buffer process))
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(setq moving (= (point) (process-mark process)))
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(while (string-match "\r" filtered-string)
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(setq filtered-string
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(replace-match "" nil nil filtered-string)))
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(save-excursion
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;; Insert the text, moving the process-marker.
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(goto-char (process-mark process))
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(insert filtered-string)
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(set-marker (process-mark process) (point)))
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(if moving (goto-char (process-mark process))))
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(set-buffer old-buffer))))
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(defmacro net-utils-run-program (name header program &rest args)
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"Run a network information program."
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(`
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(let ((buf (get-buffer-create (concat "*" (, name) "*"))))
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(set-buffer buf)
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(erase-buffer)
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(insert (, header) "\n")
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(set-process-filter
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(apply 'start-process (, name) buf (, program) (,@ args))
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'net-utils-remove-ctrl-m-filter)
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(display-buffer buf))))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; Wrappers for external network programs
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;###autoload
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(defun traceroute (target)
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"Run traceroute program for TARGET."
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(interactive "sTarget: ")
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(let ((options
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(if traceroute-program-options
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(append traceroute-program-options (list target))
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(list target))))
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(net-utils-run-program
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(concat "Traceroute" " " target)
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(concat "** Traceroute ** " traceroute-program " ** " target)
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traceroute-program
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options
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)))
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;;;###autoload
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(defun ping (host)
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"Ping HOST.
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If your system's ping continues until interrupted, you can try setting
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`ping-program-options'."
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(interactive
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(list
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(progn
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(require 'ffap)
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(read-from-minibuffer
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"Ping host: "
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(or (ffap-string-at-point 'machine) "")))))
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(let ((options
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(if ping-program-options
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(append ping-program-options (list host))
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(list host))))
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(net-utils-run-program
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(concat "Ping" " " host)
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(concat "** Ping ** " ping-program " ** " host)
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ping-program
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options
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)))
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;;;###autoload
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(defun ipconfig ()
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"Run ipconfig program."
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(interactive)
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(net-utils-run-program
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"Ipconfig"
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(concat "** Ipconfig ** " ipconfig-program " ** ")
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ipconfig-program
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ipconfig-program-options
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))
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;; This is the normal name on most Unixes.
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;;;###autoload
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(defalias 'ifconfig 'ipconfig)
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;;;###autoload
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(defun netstat ()
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"Run netstat program."
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(interactive)
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(net-utils-run-program
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"Netstat"
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(concat "** Netstat ** " netstat-program " ** ")
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netstat-program
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netstat-program-options
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))
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;;;###autoload
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(defun arp ()
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"Run the arp program."
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(interactive)
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(net-utils-run-program
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"Arp"
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(concat "** Arp ** " arp-program " ** ")
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arp-program
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arp-program-options
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))
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;;;###autoload
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(defun route ()
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"Run the route program."
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(interactive)
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(net-utils-run-program
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"Route"
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(concat "** Route ** " route-program " ** ")
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route-program
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route-program-options
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))
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;; FIXME -- Needs to be a process filter
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;; (defun netstat-with-filter (filter)
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;; "Run netstat program."
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;; (interactive "sFilter: ")
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;; (netstat)
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;; (set-buffer (get-buffer "*Netstat*"))
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;; (goto-char (point-min))
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;; (delete-matching-lines filter)
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;; )
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;;;###autoload
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(defun nslookup-host (host)
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"Lookup the DNS information for HOST."
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(interactive
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(list
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(read-from-minibuffer
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"Lookup host: "
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(or (ffap-string-at-point 'machine) ""))))
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(let ((options
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(if nslookup-program-options
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(append nslookup-program-options (list host))
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(list host))))
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(net-utils-run-program
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"Nslookup"
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(concat "** "
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(mapconcat 'identity
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(list "Nslookup" host nslookup-program)
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" ** "))
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nslookup-program
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options
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)))
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;;;###autoload
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(defun nslookup ()
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"Run nslookup program."
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(interactive)
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(comint-run nslookup-program)
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(set-process-filter (get-buffer-process "*nslookup*")
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'net-utils-remove-ctrl-m-filter)
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(set
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(make-local-variable 'font-lock-defaults)
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'((nslookup-font-lock-keywords)))
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(set
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(make-local-variable 'local-abbrev-table)
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nslookup-abbrev-table)
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(abbrev-mode t)
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(make-local-variable 'comint-prompt-regexp)
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(setq comint-prompt-regexp nslookup-prompt-regexp)
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)
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;; This is a lot less than ange-ftp, but much simpler.
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;;;###autoload
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(defun ftp (host)
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"Run ftp program."
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(interactive "sFtp to Host: ")
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(let ((buf (get-buffer-create (concat "*ftp [" host "]*"))))
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(set-buffer buf)
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(comint-mode)
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(comint-exec buf (concat "ftp-" host) ftp-program nil
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(if ftp-program-options
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(append (list host) ftp-program-options)
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(list host)))
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(set
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(make-local-variable 'font-lock-defaults)
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'((ftp-font-lock-keywords)))
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(make-local-variable 'comint-prompt-regexp)
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(setq comint-prompt-regexp ftp-prompt-regexp)
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;; Already buffer local!
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(setq comint-output-filter-functions
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(list 'comint-watch-for-password-prompt))
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(set
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(make-local-variable 'local-abbrev-table)
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ftp-abbrev-table)
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(abbrev-mode t)
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(switch-to-buffer-other-window buf)
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))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; Network Connections
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; Full list is available at:
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;; ftp://ftp.isi.edu/in-notes/iana/assignments/port-numbers
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(defvar network-connection-service-alist
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(list
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(cons 'echo 7)
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(cons 'active-users 11)
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(cons 'daytime 13)
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(cons 'chargen 19)
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(cons 'ftp 21)
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(cons 'telnet 23)
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(cons 'smtp 25)
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(cons 'time 37)
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(cons 'whois 43)
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(cons 'gopher 70)
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(cons 'finger 79)
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(cons 'www 80)
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(cons 'pop2 109)
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(cons 'pop3 110)
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(cons 'sun-rpc 111)
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(cons 'nntp 119)
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(cons 'ntp 123)
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(cons 'netbios-name 137)
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(cons 'netbios-data 139)
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(cons 'irc 194)
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(cons 'https 443)
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(cons 'rlogin 513)
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)
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"Alist of services and associated TCP port numbers.
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This list in not complete.")
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;; Workhorse macro
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(defmacro run-network-program (process-name host port
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&optional initial-string)
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(`
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(let ((tcp-connection)
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(buf)
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)
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(setq buf (get-buffer-create (concat "*" (, process-name) "*")))
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(set-buffer buf)
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(or
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(setq tcp-connection
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(open-network-stream
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(, process-name)
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buf
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(, host)
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(, port)
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))
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(error "Could not open connection to %s" (, host)))
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(erase-buffer)
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(set-marker (process-mark tcp-connection) (point-min))
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(set-process-filter tcp-connection 'net-utils-remove-ctrl-m-filter)
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(and (, initial-string)
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(process-send-string tcp-connection
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(concat (, initial-string) "\r\n")))
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(display-buffer buf))))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; Simple protocols
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; Finger protocol
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;;;###autoload
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(defun finger (user host)
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"Finger USER on HOST."
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|
;; One of those great interactive statements that's actually
|
|
;; longer than the function call! The idea is that if the user
|
|
;; uses a string like "pbreton@cs.umb.edu", we won't ask for the
|
|
;; host name. If we don't see an "@", we'll prompt for the host.
|
|
(interactive
|
|
(progn
|
|
(require 'ffap)
|
|
(let* ((answer (read-from-minibuffer "Finger User: "
|
|
(ffap-string-at-point 'url)))
|
|
(index (string-match (regexp-quote "@") answer))
|
|
)
|
|
(if index
|
|
(list
|
|
(substring answer 0 index)
|
|
(substring answer (1+ index)))
|
|
(list
|
|
answer
|
|
(read-from-minibuffer
|
|
"At Host: "
|
|
(or (ffap-string-at-point 'machine) "")))))))
|
|
(let* (
|
|
(user-and-host (concat user "@" host))
|
|
(process-name
|
|
(concat "Finger [" user-and-host "]"))
|
|
)
|
|
(run-network-program
|
|
process-name
|
|
host
|
|
(cdr (assoc 'finger network-connection-service-alist))
|
|
user-and-host
|
|
)))
|
|
|
|
(defcustom whois-server-name "whois.internic.net"
|
|
"Host name for the whois service."
|
|
:group 'net-utils
|
|
:type 'string
|
|
)
|
|
|
|
;; Whois protocol
|
|
;;;###autoload
|
|
(defun whois (arg search-string)
|
|
"Send SEARCH-STRING to server defined by the `whois-server-name' variable.
|
|
With argument, prompt for whois server."
|
|
(interactive "P\nsWhois: ")
|
|
(let ((host
|
|
(if arg
|
|
(read-from-minibuffer "Whois server name: ")
|
|
whois-server-name))
|
|
)
|
|
(run-network-program
|
|
"Whois"
|
|
host
|
|
(cdr (assoc 'whois network-connection-service-alist))
|
|
search-string
|
|
)))
|
|
|
|
(defcustom whois-reverse-lookup-server "whois.arin.net"
|
|
"Server which provides inverse DNS mapping."
|
|
:group 'net-utils
|
|
:type 'string
|
|
)
|
|
|
|
;;;###autoload
|
|
(defun whois-reverse-lookup ()
|
|
(interactive)
|
|
(let ((whois-server-name whois-reverse-lookup-server))
|
|
(call-interactively 'whois)))
|
|
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
;;; General Network connection
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
|
|
;;;###autoload
|
|
(defun network-connection-to-service (host service)
|
|
"Open a network connection to SERVICE on HOST."
|
|
(interactive
|
|
(list
|
|
(progn
|
|
(require 'ffap)
|
|
(read-from-minibuffer "Host: "
|
|
(ffap-string-at-point 'machine)))
|
|
(completing-read "Service: "
|
|
(mapcar
|
|
(function
|
|
(lambda (elt)
|
|
(list (symbol-name (car elt)))))
|
|
network-connection-service-alist))))
|
|
(network-connection
|
|
host
|
|
(cdr (assoc (intern service) network-connection-service-alist)))
|
|
)
|
|
|
|
;;;###autoload
|
|
(defun network-connection (host port)
|
|
"Open a network connection to HOST on PORT."
|
|
(interactive "sHost: \nnPort: ")
|
|
(network-service-connection host (number-to-string port)))
|
|
|
|
(defun network-service-connection (host service)
|
|
"Open a network connection to SERVICE on HOST."
|
|
(let (
|
|
(process-name (concat "Network Connection [" host " " service "]"))
|
|
(portnum (string-to-number service))
|
|
)
|
|
(or (zerop portnum) (setq service portnum))
|
|
(make-comint
|
|
process-name
|
|
(cons host service))
|
|
(pop-to-buffer (get-buffer (concat "*" process-name "*")))
|
|
))
|
|
|
|
(provide 'net-utils)
|
|
|
|
;;; net-utils.el ends here
|