mirror of
https://git.savannah.gnu.org/git/emacs.git
synced 2024-12-14 09:39:42 +00:00
f6840328c0
* lisp/net/dictionary.el (dictionary-mode-map): * lisp/net/dig.el (dig-mode-map): * lisp/net/eudc-hotlist.el (eudc-hotlist-mode-map): * lisp/net/eudc.el (eudc-mode-map): * lisp/net/mairix.el (mairix-searches-mode-map): * lisp/net/newst-treeview.el (newsticker-treeview-list-sort-button-map) (newsticker-treeview-mode-map): * lisp/net/quickurl.el (quickurl-list-mode-map): * lisp/net/rcirc.el (rcirc-mode-map) (rcirc-multiline-minor-mode-map, rcirc-track-minor-mode-map): * lisp/net/rlogin.el (rlogin-mode-map): * lisp/net/secrets.el (secrets-mode-map): * lisp/net/sieve-mode.el (sieve-mode-map): * lisp/net/sieve.el (sieve-manage-mode-map): * lisp/net/snmp-mode.el (snmp-mode-map): * lisp/net/telnet.el (telnet-mode-map): Prefer defvar-keymap.
189 lines
6.3 KiB
EmacsLisp
189 lines
6.3 KiB
EmacsLisp
;;; dig.el --- Domain Name System dig interface -*- lexical-binding:t -*-
|
|
|
|
;; Copyright (C) 2000-2022 Free Software Foundation, Inc.
|
|
|
|
;; Author: Simon Josefsson <simon@josefsson.org>
|
|
;; Keywords: DNS BIND dig comm
|
|
|
|
;; This file is part of GNU Emacs.
|
|
|
|
;; GNU Emacs is free software: you can redistribute it and/or modify
|
|
;; it under the terms of the GNU General Public License as published by
|
|
;; the Free Software Foundation, either version 3 of the License, or
|
|
;; (at your option) any later version.
|
|
|
|
;; GNU Emacs is distributed in the hope that it will be useful,
|
|
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
;; GNU General Public License for more details.
|
|
|
|
;; You should have received a copy of the GNU General Public License
|
|
;; along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
|
|
|
|
;;; Commentary:
|
|
|
|
;; This provide an interface for "dig".
|
|
;;
|
|
;; For interactive use, try M-x dig and type a hostname. Use `q' to quit
|
|
;; dig buffer.
|
|
;;
|
|
;; For use in elisp programs, call `dig-invoke' and use
|
|
;; `dig-extract-rr' to extract resource records.
|
|
|
|
;;; Release history:
|
|
|
|
;; 2000-10-28 posted on gnu.emacs.sources
|
|
|
|
;;; Code:
|
|
|
|
(defgroup dig nil
|
|
"Dig configuration."
|
|
:group 'comm)
|
|
|
|
(defcustom dig-program "dig"
|
|
"Name of dig (domain information groper) binary."
|
|
:type 'file)
|
|
|
|
(defcustom dig-program-options nil
|
|
"Options for the dig program."
|
|
:type '(repeat string)
|
|
:version "26.1")
|
|
|
|
(defcustom dig-dns-server nil
|
|
"DNS server to query.
|
|
If nil, use system defaults."
|
|
:type '(choice (const :tag "System defaults")
|
|
string))
|
|
|
|
(defcustom dig-font-lock-keywords
|
|
'(("^;; [A-Z]+ SECTION:" 0 font-lock-keyword-face)
|
|
("^;;.*" 0 font-lock-comment-face)
|
|
("^; <<>>.*" 0 font-lock-type-face)
|
|
("^;.*" 0 font-lock-function-name-face))
|
|
"Default expressions to highlight in dig mode."
|
|
:type 'sexp)
|
|
|
|
(defun dig-invoke (domain &optional
|
|
query-type query-class query-option
|
|
dig-option server)
|
|
"Call dig with given arguments and return buffer containing output.
|
|
DOMAIN is a string with a DNS domain. QUERY-TYPE is an optional
|
|
string with a DNS type. QUERY-CLASS is an optional string with a DNS
|
|
class. QUERY-OPTION is an optional string with dig \"query options\".
|
|
DIG-OPTION is an optional string with parameters for the dig program.
|
|
SERVER is an optional string with a domain name server to query.
|
|
|
|
Dig is an external program found in the BIND name server distribution,
|
|
and is a commonly available debugging tool."
|
|
(let (buf cmdline)
|
|
(setq buf (generate-new-buffer "*dig output*"))
|
|
(if dig-option (push dig-option cmdline))
|
|
(if query-option (push query-option cmdline))
|
|
(if query-class (push query-class cmdline))
|
|
(if query-type (push query-type cmdline))
|
|
(push domain cmdline)
|
|
(if server (push (concat "@" server) cmdline)
|
|
(if dig-dns-server (push (concat "@" dig-dns-server) cmdline)))
|
|
(apply #'call-process dig-program nil buf nil
|
|
(append dig-program-options cmdline))
|
|
buf))
|
|
|
|
(defun dig-extract-rr (domain &optional type class)
|
|
"Extract resource records for DOMAIN, TYPE and CLASS from buffer.
|
|
Buffer should contain output generated by `dig-invoke'."
|
|
(save-excursion
|
|
(goto-char (point-min))
|
|
(if (re-search-forward
|
|
(concat domain "\\.?[\t ]+[0-9wWdDhHmMsS]+[\t ]+"
|
|
(upcase (or class "IN")) "[\t ]+" (upcase (or type "A")))
|
|
nil t)
|
|
(let (b e)
|
|
(end-of-line)
|
|
(setq e (point))
|
|
(beginning-of-line)
|
|
(setq b (point))
|
|
(when (search-forward " (" e t)
|
|
(search-forward " )"))
|
|
(end-of-line)
|
|
(setq e (point))
|
|
(buffer-substring b e))
|
|
(and (re-search-forward (concat domain "\\.?[\t ]+[0-9wWdDhHmMsS]+[\t ]+"
|
|
(upcase (or class "IN"))
|
|
"[\t ]+CNAME[\t ]+\\(.*\\)$") nil t)
|
|
(dig-extract-rr (match-string 1) type class)))))
|
|
|
|
(defun dig-rr-get-pkix-cert (rr)
|
|
(let (b e str)
|
|
(string-match "[^\t ]+[\t ]+[0-9wWdDhHmMsS]+[\t ]+IN[\t ]+CERT[\t ]+\\(1\\|PKIX\\)[\t ]+[0-9]+[\t ]+[0-9]+[\t ]+(?" rr)
|
|
(setq b (match-end 0))
|
|
(string-match ")" rr)
|
|
(setq e (match-beginning 0))
|
|
(setq str (substring rr b e))
|
|
(while (string-match "[\t \n\r]" str)
|
|
(setq str (replace-match "" nil nil str)))
|
|
str))
|
|
|
|
(defvar-keymap dig-mode-map
|
|
"g" nil
|
|
"q" #'dig-exit)
|
|
|
|
(define-derived-mode dig-mode special-mode "Dig"
|
|
"Major mode for displaying dig output."
|
|
(buffer-disable-undo)
|
|
(setq-local font-lock-defaults '(dig-font-lock-keywords t))
|
|
;; FIXME: what is this for?? --Stef M
|
|
(font-lock-set-defaults))
|
|
|
|
(defun dig-exit ()
|
|
"Quit dig output buffer."
|
|
(interactive nil dig-mode)
|
|
(quit-window t))
|
|
|
|
;;;###autoload
|
|
(defun dig (domain &optional
|
|
query-type query-class query-option dig-option server)
|
|
"Query addresses of a DOMAIN using dig.
|
|
See `dig-invoke' for an explanation for the parameters.
|
|
When called interactively, DOMAIN is prompted for.
|
|
|
|
If given a \\[universal-argument] prefix, also prompt \
|
|
for the QUERY-TYPE parameter.
|
|
|
|
If given a \\[universal-argument] \\[universal-argument] \
|
|
prefix, also prompt for the SERVER parameter."
|
|
(interactive
|
|
(list (let ((default (ffap-machine-at-point)))
|
|
(read-string (format-prompt "Host" default) nil nil default))
|
|
(and current-prefix-arg
|
|
(read-string "Query type: "))))
|
|
(when (and (numberp (car current-prefix-arg))
|
|
(>= (car current-prefix-arg) 16))
|
|
(let ((serv (read-from-minibuffer "Name server: ")))
|
|
(when (not (equal serv ""))
|
|
(setq server serv))))
|
|
(pop-to-buffer-same-window
|
|
(dig-invoke domain query-type query-class query-option dig-option server))
|
|
(goto-char (point-min))
|
|
(and (search-forward ";; ANSWER SECTION:" nil t)
|
|
(forward-line))
|
|
(dig-mode))
|
|
|
|
;; named for consistency with query-dns in dns.el
|
|
(defun query-dig (domain &optional
|
|
query-type query-class query-option dig-option server)
|
|
"Query addresses of a DOMAIN using dig.
|
|
It works by calling `dig-invoke' and `dig-extract-rr'.
|
|
Optional arguments are passed to `dig-invoke' and `dig-extract-rr'.
|
|
Returns nil for domain/class/type queries that result in no data."
|
|
(let ((buffer (dig-invoke domain query-type query-class
|
|
query-option dig-option server)))
|
|
(when buffer
|
|
(pop-to-buffer-same-window buffer)
|
|
(let ((digger (dig-extract-rr domain query-type query-class)))
|
|
(kill-buffer buffer)
|
|
digger))))
|
|
|
|
(provide 'dig)
|
|
|
|
;;; dig.el ends here
|