;;; spam.el --- Identifying spam
-;; Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
+
+;; Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
+;; Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
-;; Keywords: network
+;; Maintainer: Ted Zlatanov <tzz@lifelogs.com>
+;; Keywords: network, spam, mail, bogofilter, BBDB, dspam, dig, whitelist, blacklist, gmane, hashcash, spamassassin, bsfilter, ifile, stat, crm114, spamoracle
;; This file is part of GNU Emacs.
-;; GNU Emacs is free software; you can redistribute it and/or modify
+;; 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.
+;; 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
+;; 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:
;;; Several TODO items are marked as such
-;; TODO: spam scores, detection of spam in newsgroups, cross-server splitting,
-;; remote processing, training through files
+;; TODO: cross-server splitting, remote processing, training through files
;;; Code:
+;;{{{ compilation directives and autoloads/requires
+
+;; For Emacs < 22.2.
+(eval-and-compile
+ (unless (fboundp 'declare-function) (defmacro declare-function (&rest r))))
+
(eval-when-compile (require 'cl))
+(require 'message) ;for the message-fetch-field functions
(require 'gnus-sum)
-
(require 'gnus-uu) ; because of key prefix issues
;;; for the definitions of group content classification and spam processors
(require 'gnus)
-(require 'message) ;for the message-fetch-field functions
+
+(eval-when-compile (require 'spam-report))
+(eval-when-compile (require 'hashcash))
;; for nnimap-split-download-body-default
(eval-when-compile (require 'nnimap))
;; autoload query-dig
-(eval-and-compile
- (autoload 'query-dig "dig"))
+(autoload 'query-dig "dig")
;; autoload spam-report
(eval-and-compile
- (autoload 'spam-report-gmane "spam-report"))
+ (autoload 'spam-report-gmane "spam-report")
+ (autoload 'spam-report-gmane-spam "spam-report")
+ (autoload 'spam-report-gmane-ham "spam-report")
+ (autoload 'spam-report-resend "spam-report"))
;; autoload gnus-registry
-(eval-and-compile
- (autoload 'gnus-registry-group-count "gnus-registry")
- (autoload 'gnus-registry-add-group "gnus-registry")
- (autoload 'gnus-registry-store-extra-entry "gnus-registry")
- (autoload 'gnus-registry-fetch-extra "gnus-registry"))
+(autoload 'gnus-registry-group-count "gnus-registry")
+(autoload 'gnus-registry-add-group "gnus-registry")
+(autoload 'gnus-registry-store-extra-entry "gnus-registry")
+(autoload 'gnus-registry-fetch-extra "gnus-registry")
-;; autoload query-dns
-(eval-and-compile
- (autoload 'query-dns "dns"))
+;; autoload dns-query
+(autoload 'dns-query "dns")
+
+;;}}}
-;;; Main parameters.
+;;{{{ Main parameters.
+(defvar spam-backends nil
+ "List of spam.el backends with all the pertinent data.
+Populated by `spam-install-backend-super'.")
(defgroup spam nil
- "Spam configuration.")
+ "Spam configuration."
+ :version "22.1"
+ :group 'mail
+ :group 'news)
+
+(defcustom spam-summary-exit-behavior 'default
+ "Exit behavior at the time of summary exit.
+Note that setting the `spam-use-move' or `spam-use-copy' backends on
+a group through group/topic parameters overrides this mechanism."
+ :type '(choice (const 'default :tag
+ "Move spam out of all groups. Move ham out of spam groups.")
+ (const 'move-all :tag
+ "Move spam out of all groups. Move ham out of all groups.")
+ (const 'move-none :tag
+ "Never move spam or ham out of any groups."))
+ :group 'spam)
-(defcustom spam-directory "~/News/spam/"
+(defcustom spam-directory (nnheader-concat gnus-directory "spam/")
"Directory for spam whitelists and blacklists."
:type 'directory
:group 'spam)
-(defcustom spam-move-spam-nonspam-groups-only t
- "Whether spam should be moved in non-spam groups only.
-When t, only ham and unclassified groups will have their spam moved
-to the spam-process-destination. When nil, spam will also be moved from
-spam groups."
- :type 'boolean
- :group 'spam)
-
-(defcustom spam-process-ham-in-nonham-groups nil
- "Whether ham should be processed in non-ham groups."
+(defcustom spam-mark-new-messages-in-spam-group-as-spam t
+ "Whether new messages in a spam group should get the spam-mark."
:type 'boolean
+ ;; :version "22.1" ;; Gnus 5.10.8 / No Gnus 0.3
:group 'spam)
(defcustom spam-log-to-registry nil
(defcustom spam-split-symbolic-return-positive nil
"Whether `spam-split' should ALWAYS work with symbols or group names.
-Do not set this if you use `spam-split' in a fancy split
- method."
- :type 'boolean
- :group 'spam)
-
-(defcustom spam-process-ham-in-spam-groups nil
- "Whether ham should be processed in spam groups."
+Do not set this if you use `spam-split' in a fancy split method."
:type 'boolean
:group 'spam)
(defcustom spam-mark-ham-unread-before-move-from-spam-group nil
"Whether ham should be marked unread before it's moved.
-The article is moved out of a spam group according to ham-process-destination.
+The article is moved out of a spam group according to `ham-process-destination'.
This variable is an official entry in the international Longest Variable Name
Competition."
:type 'boolean
:group 'spam)
(defcustom spam-use-dig t
- "Whether `query-dig' should be used instead of `query-dns'."
+ "Whether `query-dig' should be used instead of `dns-query'."
+ :type 'boolean
+ :group 'spam)
+
+(defcustom spam-use-gmane-xref nil
+ "Whether the Gmane spam xref should be used by `spam-split'."
:type 'boolean
:group 'spam)
:type 'boolean
:group 'spam)
+(defcustom spam-use-bsfilter-headers nil
+ "Whether bsfilter headers should be used by `spam-split'.
+Enable this if you pre-process messages with Bsfilter BEFORE Gnus sees them."
+ :type 'boolean
+ :group 'spam)
+
+(defcustom spam-use-bsfilter nil
+ "Whether bsfilter should be invoked by `spam-split'.
+Enable this if you want Gnus to invoke Bsfilter on new messages."
+ :type 'boolean
+ :group 'spam)
+
(defcustom spam-use-BBDB nil
"Whether BBDB should be used by `spam-split'."
:type 'boolean
:type 'boolean
:group 'spam)
+(defcustom spam-use-crm114 nil
+ "Whether the CRM114 Mailfilter should be used by `spam-split'."
+ :type 'boolean
+ :group 'spam)
+
(defcustom spam-install-hooks (or
spam-use-dig
+ spam-use-gmane-xref
spam-use-blacklist
spam-use-whitelist
spam-use-whitelist-exclusive
spam-use-bogofilter-headers
spam-use-spamassassin
spam-use-spamassassin-headers
+ spam-use-bsfilter
+ spam-use-bsfilter-headers
spam-use-BBDB
spam-use-BBDB-exclusive
spam-use-ifile
spam-use-stat
- spam-use-spamoracle)
+ spam-use-spamoracle
+ spam-use-crm114)
"Whether the spam hooks should be installed.
Default to t if one of the spam-use-* variables is set."
:group 'spam
:type '(repeat (string :tag "Group"))
:group 'spam)
+
+(defcustom spam-gmane-xref-spam-group "gmane.spam.detected"
+ "The group where spam xrefs can be found on Gmane.
+Only meaningful if you enable `spam-use-gmane-xref'."
+ :type 'string
+ :group 'spam)
+
(defcustom spam-blackhole-servers '("bl.spamcop.net" "relays.ordb.org"
"dev.null.dk" "relays.visi.com")
- "List of blackhole servers."
+ "List of blackhole servers.
+Only meaningful if you enable `spam-use-blackholes'."
:type '(repeat (string :tag "Server"))
:group 'spam)
(defcustom spam-blackhole-good-server-regex nil
- "String matching IP addresses that should not be checked in the blackholes."
- :type '(radio (const nil)
- (regexp :format "%t: %v\n" :size 0))
+ "String matching IP addresses that should not be checked in the blackholes.
+Only meaningful if you enable `spam-use-blackholes'."
+ :type '(radio (const nil) regexp)
+ :group 'spam)
+
+(defface spam
+ '((((class color) (type tty) (background dark))
+ (:foreground "gray80" :background "gray50"))
+ (((class color) (type tty) (background light))
+ (:foreground "gray50" :background "gray80"))
+ (((class color) (background dark))
+ (:foreground "ivory2"))
+ (((class color) (background light))
+ (:foreground "ivory4"))
+ (t :inverse-video t))
+ "Face for spam-marked articles."
:group 'spam)
+;; backward-compatibility alias
+(put 'spam-face 'face-alias 'spam)
+(put 'spam-face 'obsolete-face "22.1")
-(defcustom spam-face 'gnus-splash-face
+(defcustom spam-face 'spam
"Face for spam-marked articles."
:type 'face
:group 'spam)
(defcustom spam-regex-headers-spam '("^X-Spam-Flag: YES")
- "Regular expression for positive header spam matches."
+ "Regular expression for positive header spam matches.
+Only meaningful if you enable `spam-use-regex-headers'."
:type '(repeat (regexp :tag "Regular expression to match spam header"))
:group 'spam)
(defcustom spam-regex-headers-ham '("^X-Spam-Flag: NO")
- "Regular expression for positive header ham matches."
+ "Regular expression for positive header ham matches.
+Only meaningful if you enable `spam-use-regex-headers'."
:type '(repeat (regexp :tag "Regular expression to match ham header"))
:group 'spam)
(defcustom spam-regex-body-spam '()
- "Regular expression for positive body spam matches."
+ "Regular expression for positive body spam matches.
+Only meaningful if you enable `spam-use-regex-body'."
:type '(repeat (regexp :tag "Regular expression to match spam body"))
:group 'spam)
(defcustom spam-regex-body-ham '()
- "Regular expression for positive body ham matches."
+ "Regular expression for positive body ham matches.
+Only meaningful if you enable `spam-use-regex-body'."
:type '(repeat (regexp :tag "Regular expression to match ham body"))
:group 'spam)
+(defcustom spam-summary-score-preferred-header nil
+ "Preferred header to use for `spam-summary-score'."
+ :type '(choice :tag "Header name"
+ (symbol :tag "SpamAssassin etc" X-Spam-Status)
+ (symbol :tag "Bogofilter" X-Bogosity)
+ (const :tag "No preference, take best guess." nil))
+ :group 'spam)
+
(defgroup spam-ifile nil
"Spam ifile configuration."
:group 'spam)
-(defcustom spam-ifile-path (executable-find "ifile")
- "File path of the ifile executable program."
+(make-obsolete-variable 'spam-ifile-path 'spam-ifile-program
+ "Gnus 5.10.9 (Emacs 22.1)")
+(defcustom spam-ifile-program (executable-find "ifile")
+ "Name of the ifile program."
:type '(choice (file :tag "Location of ifile")
(const :tag "ifile is not installed"))
:group 'spam-ifile)
-(defcustom spam-ifile-database-path nil
- "File path of the ifile database."
+(make-obsolete-variable 'spam-ifile-database-path 'spam-ifile-database
+ "Gnus 5.10.9 (Emacs 22.1)")
+(defcustom spam-ifile-database nil
+ "File name of the ifile database."
:type '(choice (file :tag "Location of the ifile database")
(const :tag "Use the default"))
:group 'spam-ifile)
"Spam bogofilter configuration."
:group 'spam)
-(defcustom spam-bogofilter-path (executable-find "bogofilter")
- "File path of the Bogofilter executable program."
+(make-obsolete-variable 'spam-bogofilter-path 'spam-bogofilter-program
+ "Gnus 5.10.9 (Emacs 22.1)")
+(defcustom spam-bogofilter-program (executable-find "bogofilter")
+ "Name of the Bogofilter program."
:type '(choice (file :tag "Location of bogofilter")
(const :tag "Bogofilter is not installed"))
:group 'spam-bogofilter)
+(defvar spam-bogofilter-valid 'unknown "Is the bogofilter version valid?")
+
(defcustom spam-bogofilter-header "X-Bogosity"
"The header that Bogofilter inserts in messages."
:type 'string
:group 'spam-bogofilter)
(defcustom spam-bogofilter-database-directory nil
- "Directory path of the Bogofilter databases."
+ "Location of the Bogofilter database.
+When nil, use the default location."
:type '(choice (directory
:tag "Location of the Bogofilter database directory")
(const :tag "Use the default"))
:group 'spam-bogofilter)
+(defgroup spam-bsfilter nil
+ "Spam bsfilter configuration."
+ :group 'spam)
+
+(make-obsolete-variable 'spam-bsfilter-path 'spam-bsfilter-program
+ "Gnus 5.10.9 (Emacs 22.1)")
+(defcustom spam-bsfilter-program (executable-find "bsfilter")
+ "Name of the Bsfilter program."
+ :type '(choice (file :tag "Location of bsfilter")
+ (const :tag "Bsfilter is not installed"))
+ :group 'spam-bsfilter)
+
+(defcustom spam-bsfilter-header "X-Spam-Flag"
+ "The header inserted by Bsfilter to flag spam."
+ :type 'string
+ :group 'spam-bsfilter)
+
+(defcustom spam-bsfilter-probability-header "X-Spam-Probability"
+ "The header that Bsfilter inserts in messages."
+ :type 'string
+ :group 'spam-bsfilter)
+
+(defcustom spam-bsfilter-spam-switch "--add-spam"
+ "The switch that Bsfilter uses to register spam messages."
+ :type 'string
+ :group 'spam-bsfilter)
+
+(defcustom spam-bsfilter-ham-switch "--add-clean"
+ "The switch that Bsfilter uses to register ham messages."
+ :type 'string
+ :group 'spam-bsfilter)
+
+(defcustom spam-bsfilter-spam-strong-switch "--sub-spam"
+ "The switch that Bsfilter uses to unregister ham messages."
+ :type 'string
+ :group 'spam-bsfilter)
+
+(defcustom spam-bsfilter-ham-strong-switch "--sub-clean"
+ "The switch that Bsfilter uses to unregister spam messages."
+ :type 'string
+ :group 'spam-bsfilter)
+
+(defcustom spam-bsfilter-database-directory nil
+ "Directory path of the Bsfilter databases."
+ :type '(choice (directory
+ :tag "Location of the Bsfilter database directory")
+ (const :tag "Use the default"))
+ :group 'spam-bsfilter)
+
(defgroup spam-spamoracle nil
"Spam spamoracle configuration."
:group 'spam)
"Spam SpamAssassin configuration."
:group 'spam)
-(defcustom spam-spamassassin-path (executable-find "spamassassin")
- "File path of the spamassassin executable program.
+(make-obsolete-variable 'spam-spamassassin-path
+ 'spam-spamassassin-program "Gnus 5.10.9 (Emacs 22.1)")
+(defcustom spam-assassin-program (executable-find "spamassassin")
+ "Name of the spamassassin program.
Hint: set this to \"spamc\" if you have spamd running. See the spamc and
spamd man pages for more information on these programs."
:type '(choice (file :tag "Location of spamc")
:type 'string
:group 'spam-spamassassin)
-(defcustom spam-sa-learn-path (executable-find "sa-learn")
- "File path of the sa-learn executable program."
+(make-obsolete-variable 'spam-sa-learn-path 'spam-sa-learn-program
+ "Gnus 5.10.9 (Emacs 22.1)")
+(defcustom spam-sa-learn-program (executable-find "sa-learn")
+ "Name of the sa-learn program."
:type '(choice (file :tag "Location of spamassassin")
(const :tag "spamassassin is not installed"))
:group 'spam-spamassassin)
:group 'spam-spamassassin)
(defcustom spam-sa-learn-spam-switch "--spam"
- "The switch that sa-learn uses to register spam messages"
+ "The switch that sa-learn uses to register spam messages."
:type 'string
:group 'spam-spamassassin)
(defcustom spam-sa-learn-ham-switch "--ham"
- "The switch that sa-learn uses to register ham messages"
+ "The switch that sa-learn uses to register ham messages."
:type 'string
:group 'spam-spamassassin)
(defcustom spam-sa-learn-unregister-switch "--forget"
- "The switch that sa-learn uses to unregister messages messages"
+ "The switch that sa-learn uses to unregister messages messages."
:type 'string
:group 'spam-spamassassin)
+(defgroup spam-crm114 nil
+ "Spam CRM114 Mailfilter configuration."
+ :group 'spam)
+
+(defcustom spam-crm114-program (executable-find "mailfilter.crm")
+ "File path of the CRM114 Mailfilter executable program."
+ :type '(choice (file :tag "Location of CRM114 Mailfilter")
+ (const :tag "CRM114 Mailfilter is not installed"))
+ :group 'spam-crm114)
+
+(defcustom spam-crm114-header "X-CRM114-Status"
+ "The header that CRM114 Mailfilter inserts in messages."
+ :type 'string
+ :group 'spam-crm114)
+
+(defcustom spam-crm114-spam-switch "--learnspam"
+ "The switch that CRM114 Mailfilter uses to register spam messages."
+ :type 'string
+ :group 'spam-crm114)
+
+(defcustom spam-crm114-ham-switch "--learnnonspam"
+ "The switch that CRM114 Mailfilter uses to register ham messages."
+ :type 'string
+ :group 'spam-crm114)
+
+(defcustom spam-crm114-spam-strong-switch "--unlearn"
+ "The switch that CRM114 Mailfilter uses to unregister ham messages."
+ :type 'string
+ :group 'spam-crm114)
+
+(defcustom spam-crm114-ham-strong-switch "--unlearn"
+ "The switch that CRM114 Mailfilter uses to unregister spam messages."
+ :type 'string
+ :group 'spam-crm114)
+
+(defcustom spam-crm114-positive-spam-header "^SPAM"
+ "The regex on `spam-crm114-header' for positive spam identification."
+ :type 'regexp
+ :group 'spam-crm114)
+
+(defcustom spam-crm114-database-directory nil
+ "Directory path of the CRM114 Mailfilter databases."
+ :type '(choice (directory
+ :tag "Location of the CRM114 Mailfilter database directory")
+ (const :tag "Use the default"))
+ :group 'spam-crm114)
+
;;; Key bindings for spam control.
(gnus-define-keys gnus-summary-mode-map
:test 'equal)
"Cache of spam detection entries.")
-(defvar spam-old-ham-articles nil
- "List of old ham articles, generated when a group is entered.")
-
-(defvar spam-old-spam-articles nil
- "List of old spam articles, generated when a group is entered.")
+(defvar spam-old-articles nil
+ "List of old ham and spam articles, generated when a group is entered.")
(defvar spam-split-disabled nil
"If non-nil, `spam-split' is disabled, and always returns nil.")
`spam-split' will set this to nil or a spam-use-XYZ check if it
finds ham or spam.")
-;; convenience functions
+;; internal variables for backends
+;; TODO: find a way to create these on the fly in spam-install-backend-super
+(defvar spam-use-copy nil)
+(defvar spam-use-move nil)
+(defvar spam-use-gmane nil)
+(defvar spam-use-resend nil)
+
+;;}}}
+
+;;{{{ convenience functions
+
(defun spam-clear-cache (symbol)
- "Clear the
projects / gnus / blobdiff