;;; dig.el --- Domain Name System dig interface
-;; Copyright (c) 2000 Free Software Foundation, Inc.
+
+;; Copyright (C) 2000-2015 Free Software Foundation, Inc.
;; Author: Simon Josefsson <simon@josefsson.org>
-;; Keywords: DNS BIND dig
+;; Keywords: DNS BIND dig comm
-;; This file is not a part of GNU Emacs, but the same permissions apply.
+;; 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 2, or (at your
-;; option) any later version.
+;; 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.
+;; 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; see the file COPYING. If not, write to the
-;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-;; Boston, MA 02111-1307, USA.
+;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;; 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:
(eval-when-compile (require 'cl))
(defgroup dig nil
- "Dig configuration.")
+ "Dig configuration."
+ :group 'comm)
(defcustom dig-program "dig"
"Name of dig (domain information groper) binary."
"Default expressions to highlight in dig mode."
:type 'sexp
:group 'dig)
-
+
(defun dig-invoke (domain &optional
- query-type query-class query-option
+ 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-OPTIONS is an optional string with parameters for the dig program.
+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,
(save-excursion
(goto-char (point-min))
(if (re-search-forward
- (concat domain "\\.?[\t ]+[0-9wWdDhHmMsS]+[\t ]+"
+ (concat domain "\\.?[\t ]+[0-9wWdDhHmMsS]+[\t ]+"
(upcase (or class "IN")) "[\t ]+" (upcase (or type "A")))
nil t)
(let (b e)
(put 'dig-mode 'mode-class 'special)
-(defvar dig-mode-map nil)
-(unless dig-mode-map
- (setq dig-mode-map (make-sparse-keymap))
- (suppress-keymap dig-mode-map)
+(defvar dig-mode-map
+ (let ((map (make-sparse-keymap)))
+ (suppress-keymap map)
+ (define-key map "q" 'dig-exit)
+ map))
- (define-key dig-mode-map "q" 'dig-exit))
-
-(defun dig-mode ()
+(define-derived-mode dig-mode nil "Dig"
"Major mode for displaying dig output."
- (interactive)
- (kill-all-local-variables)
- (setq mode-name "dig")
- (setq major-mode 'dig-mode)
- (use-local-map dig-mode-map)
(buffer-disable-undo)
(unless (featurep 'xemacs)
(set (make-local-variable 'font-lock-defaults)
'(dig-font-lock-keywords t)))
(when (featurep 'font-lock)
- (font-lock-set-defaults)))
-
+ ;; FIXME: what is this for?? --Stef
+ (font-lock-set-defaults))
+ )
+
(defun dig-exit ()
"Quit dig output buffer."
(interactive)
(kill-buffer (current-buffer)))
+;;;###autoload
(defun dig (domain &optional
query-type query-class query-option dig-option server)
"Query addresses of a DOMAIN using dig, by calling `dig-invoke'.
Optional arguments are passed to `dig-invoke'."
(interactive "sHost: ")
- (switch-to-buffer
+ (switch-to-buffer
(dig-invoke domain query-type query-class query-option dig-option server))
(goto-char (point-min))
(and (search-forward ";; ANSWER SECTION:" nil t)
(setq buffer-read-only t)
(set-buffer-modified-p nil))
+;; 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
+ (switch-to-buffer buffer)
+ (let ((digger (dig-extract-rr domain query-type query-class)))
+ (kill-buffer buffer)
+ digger))))
+
(provide 'dig)
;;; dig.el ends here
projects / gnus / blobdiff