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59ce725a3b
Revision: emacs@sv.gnu.org/emacs--devo--0--patch-987
2951 lines
97 KiB
EmacsLisp
2951 lines
97 KiB
EmacsLisp
;;; spam.el --- Identifying spam
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;; Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
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;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
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;; Maintainer: Ted Zlatanov <tzz@lifelogs.com>
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;; Keywords: network, spam, mail, bogofilter, BBDB, dspam, dig, whitelist, blacklist, gmane, hashcash, spamassassin, bsfilter, ifile, stat, crm114, spamoracle
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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 3, 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., 51 Franklin Street, Fifth Floor,
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;; Boston, MA 02110-1301, USA.
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;;; Commentary:
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;;; This module addresses a few aspects of spam control under Gnus. Page
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;;; breaks are used for grouping declarations and documentation relating to
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;;; each particular aspect.
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;;; The integration with Gnus is not yet complete. See various `FIXME'
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;;; comments, below, for supplementary explanations or discussions.
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;;; Several TODO items are marked as such
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;; TODO: cross-server splitting, remote processing, training through files
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;;; Code:
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;;{{{ compilation directives and autoloads/requires
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;; For Emacs < 22.2.
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(eval-and-compile
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(unless (fboundp 'declare-function) (defmacro declare-function (&rest r))))
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(eval-when-compile (require 'cl))
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(require 'message) ;for the message-fetch-field functions
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(require 'gnus-sum)
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(require 'gnus-uu) ; because of key prefix issues
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;;; for the definitions of group content classification and spam processors
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(require 'gnus)
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(eval-when-compile (require 'spam-report))
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(eval-when-compile (require 'hashcash))
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;; for nnimap-split-download-body-default
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(eval-when-compile (require 'nnimap))
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;; autoload query-dig
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(eval-and-compile
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(autoload 'query-dig "dig"))
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;; autoload spam-report
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(eval-and-compile
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(autoload 'spam-report-gmane "spam-report")
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(autoload 'spam-report-gmane-spam "spam-report")
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(autoload 'spam-report-gmane-ham "spam-report")
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(autoload 'spam-report-resend "spam-report"))
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;; autoload gnus-registry
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(eval-and-compile
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(autoload 'gnus-registry-group-count "gnus-registry")
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(autoload 'gnus-registry-add-group "gnus-registry")
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(autoload 'gnus-registry-store-extra-entry "gnus-registry")
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(autoload 'gnus-registry-fetch-extra "gnus-registry"))
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;; autoload query-dns
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(eval-and-compile
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(autoload 'query-dns "dns"))
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;;}}}
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;;{{{ Main parameters.
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(defvar spam-backends nil
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"List of spam.el backends with all the pertinent data.
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Populated by `spam-install-backend-super'.")
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(defgroup spam nil
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"Spam configuration."
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:version "22.1"
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:group 'mail
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:group 'news)
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(defcustom spam-summary-exit-behavior 'default
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"Exit behavior at the time of summary exit.
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Note that setting the `spam-use-move' or `spam-use-copy' backends on
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a group through group/topic parameters overrides this mechanism."
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:type '(choice (const 'default :tag
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"Move spam out of all groups. Move ham out of spam groups.")
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(const 'move-all :tag
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"Move spam out of all groups. Move ham out of all groups.")
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(const 'move-none :tag
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"Never move spam or ham out of any groups."))
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:group 'spam)
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(defcustom spam-directory (nnheader-concat gnus-directory "spam/")
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"Directory for spam whitelists and blacklists."
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:type 'directory
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:group 'spam)
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(defcustom spam-mark-new-messages-in-spam-group-as-spam t
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"Whether new messages in a spam group should get the spam-mark."
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:type 'boolean
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;; :version "22.1" ;; Gnus 5.10.8 / No Gnus 0.3
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:group 'spam)
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(defcustom spam-log-to-registry nil
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"Whether spam/ham processing should be logged in the registry."
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:type 'boolean
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:group 'spam)
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(defcustom spam-split-symbolic-return nil
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"Whether `spam-split' should work with symbols or group names."
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:type 'boolean
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:group 'spam)
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(defcustom spam-split-symbolic-return-positive nil
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"Whether `spam-split' should ALWAYS work with symbols or group names.
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Do not set this if you use `spam-split' in a fancy split method."
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:type 'boolean
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:group 'spam)
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(defcustom spam-mark-only-unseen-as-spam t
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"Whether only unseen articles should be marked as spam in spam groups.
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When nil, all unread articles in a spam group are marked as
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spam. Set this if you want to leave an article unread in a spam group
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without losing it to the automatic spam-marking process."
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:type 'boolean
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:group 'spam)
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(defcustom spam-mark-ham-unread-before-move-from-spam-group nil
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"Whether ham should be marked unread before it's moved.
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The article is moved out of a spam group according to `ham-process-destination'.
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This variable is an official entry in the international Longest Variable Name
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Competition."
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:type 'boolean
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:group 'spam)
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(defcustom spam-disable-spam-split-during-ham-respool nil
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"Whether `spam-split' should be ignored while resplitting ham.
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This is useful to prevent ham from ending up in the same spam
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group after the resplit. Don't set this to t if you have `spam-split' as the
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last rule in your split configuration."
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:type 'boolean
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:group 'spam)
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(defcustom spam-autodetect-recheck-messages nil
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"Should spam.el recheck all meessages when autodetecting?
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Normally this is nil, so only unseen messages will be checked."
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:type 'boolean
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:group 'spam)
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(defcustom spam-whitelist (expand-file-name "whitelist" spam-directory)
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"The location of the whitelist.
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The file format is one regular expression per line.
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The regular expression is matched against the address."
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:type 'file
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:group 'spam)
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(defcustom spam-blacklist (expand-file-name "blacklist" spam-directory)
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"The location of the blacklist.
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The file format is one regular expression per line.
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The regular expression is matched against the address."
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:type 'file
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:group 'spam)
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(defcustom spam-use-dig t
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"Whether `query-dig' should be used instead of `query-dns'."
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:type 'boolean
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:group 'spam)
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(defcustom spam-use-gmane-xref nil
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"Whether the Gmane spam xref should be used by `spam-split'."
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:type 'boolean
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:group 'spam)
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(defcustom spam-use-blacklist nil
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"Whether the blacklist should be used by `spam-split'."
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:type 'boolean
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:group 'spam)
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(defcustom spam-blacklist-ignored-regexes nil
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"Regular expressions that the blacklist should ignore."
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:type '(repeat (regexp :tag "Regular expression to ignore when blacklisting"))
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:group 'spam)
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(defcustom spam-use-whitelist nil
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"Whether the whitelist should be used by `spam-split'."
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:type 'boolean
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:group 'spam)
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(defcustom spam-use-whitelist-exclusive nil
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"Whether whitelist-exclusive should be used by `spam-split'.
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Exclusive whitelisting means that all messages from senders not in the whitelist
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are considered spam."
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:type 'boolean
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:group 'spam)
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(defcustom spam-use-blackholes nil
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"Whether blackholes should be used by `spam-split'."
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:type 'boolean
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:group 'spam)
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(defcustom spam-use-hashcash nil
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"Whether hashcash payments should be detected by `spam-split'."
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:type 'boolean
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:group 'spam)
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(defcustom spam-use-regex-headers nil
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"Whether a header regular expression match should be used by `spam-split'.
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Also see the variables `spam-regex-headers-spam' and `spam-regex-headers-ham'."
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:type 'boolean
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:group 'spam)
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(defcustom spam-use-regex-body nil
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"Whether a body regular expression match should be used by `spam-split'.
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Also see the variables `spam-regex-body-spam' and `spam-regex-body-ham'."
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:type 'boolean
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:group 'spam)
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(defcustom spam-use-bogofilter-headers nil
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"Whether bogofilter headers should be used by `spam-split'.
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Enable this if you pre-process messages with Bogofilter BEFORE Gnus sees them."
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:type 'boolean
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:group 'spam)
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(defcustom spam-use-bogofilter nil
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"Whether bogofilter should be invoked by `spam-split'.
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Enable this if you want Gnus to invoke Bogofilter on new messages."
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:type 'boolean
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:group 'spam)
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(defcustom spam-use-bsfilter-headers nil
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"Whether bsfilter headers should be used by `spam-split'.
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Enable this if you pre-process messages with Bsfilter BEFORE Gnus sees them."
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:type 'boolean
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:group 'spam)
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(defcustom spam-use-bsfilter nil
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"Whether bsfilter should be invoked by `spam-split'.
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Enable this if you want Gnus to invoke Bsfilter on new messages."
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:type 'boolean
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:group 'spam)
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(defcustom spam-use-BBDB nil
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"Whether BBDB should be used by `spam-split'."
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:type 'boolean
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:group 'spam)
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(defcustom spam-use-BBDB-exclusive nil
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"Whether BBDB-exclusive should be used by `spam-split'.
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Exclusive BBDB means that all messages from senders not in the BBDB are
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considered spam."
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:type 'boolean
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:group 'spam)
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(defcustom spam-use-ifile nil
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"Whether ifile should be used by `spam-split'."
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:type 'boolean
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:group 'spam)
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(defcustom spam-use-stat nil
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"Whether `spam-stat' should be used by `spam-split'."
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:type 'boolean
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:group 'spam)
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(defcustom spam-use-spamoracle nil
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"Whether spamoracle should be used by `spam-split'."
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:type 'boolean
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:group 'spam)
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(defcustom spam-use-spamassassin nil
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"Whether spamassassin should be invoked by `spam-split'.
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Enable this if you want Gnus to invoke SpamAssassin on new messages."
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:type 'boolean
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:group 'spam)
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(defcustom spam-use-spamassassin-headers nil
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"Whether spamassassin headers should be checked by `spam-split'.
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Enable this if you pre-process messages with SpamAssassin BEFORE Gnus sees
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them."
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:type 'boolean
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:group 'spam)
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(defcustom spam-use-crm114 nil
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"Whether the CRM114 Mailfilter should be used by `spam-split'."
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:type 'boolean
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:group 'spam)
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(defcustom spam-install-hooks (or
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spam-use-dig
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spam-use-gmane-xref
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spam-use-blacklist
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spam-use-whitelist
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spam-use-whitelist-exclusive
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spam-use-blackholes
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spam-use-hashcash
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spam-use-regex-headers
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spam-use-regex-body
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spam-use-bogofilter
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spam-use-bogofilter-headers
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spam-use-spamassassin
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spam-use-spamassassin-headers
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spam-use-bsfilter
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spam-use-bsfilter-headers
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spam-use-BBDB
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spam-use-BBDB-exclusive
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spam-use-ifile
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spam-use-stat
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spam-use-spamoracle
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spam-use-crm114)
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"Whether the spam hooks should be installed.
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Default to t if one of the spam-use-* variables is set."
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:group 'spam
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:type 'boolean)
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(defcustom spam-split-group "spam"
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"Group name where incoming spam should be put by `spam-split'."
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:type 'string
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:group 'spam)
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;;; TODO: deprecate this variable, it's confusing since it's a list of strings,
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;;; not regular expressions
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(defcustom spam-junk-mailgroups (cons
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spam-split-group
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'("mail.junk" "poste.pourriel"))
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"Mailgroups with spam contents.
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All unmarked article in such group receive the spam mark on group entry."
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:type '(repeat (string :tag "Group"))
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:group 'spam)
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(defcustom spam-gmane-xref-spam-group "gmane.spam.detected"
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"The group where spam xrefs can be found on Gmane.
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Only meaningful if you enable `spam-use-gmane-xref'."
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:type 'string
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:group 'spam)
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(defcustom spam-blackhole-servers '("bl.spamcop.net" "relays.ordb.org"
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"dev.null.dk" "relays.visi.com")
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"List of blackhole servers.
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Only meaningful if you enable `spam-use-blackholes'."
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:type '(repeat (string :tag "Server"))
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:group 'spam)
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(defcustom spam-blackhole-good-server-regex nil
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"String matching IP addresses that should not be checked in the blackholes.
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Only meaningful if you enable `spam-use-blackholes'."
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:type '(radio (const nil) regexp)
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:group 'spam)
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(defface spam
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'((((class color) (type tty) (background dark))
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(:foreground "gray80" :background "gray50"))
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(((class color) (type tty) (background light))
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(:foreground "gray50" :background "gray80"))
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(((class color) (background dark))
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(:foreground "ivory2"))
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(((class color) (background light))
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(:foreground "ivory4"))
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(t :inverse-video t))
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"Face for spam-marked articles."
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:group 'spam)
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;; backward-compatibility alias
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(put 'spam-face 'face-alias 'spam)
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(defcustom spam-face 'spam
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"Face for spam-marked articles."
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:type 'face
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:group 'spam)
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(defcustom spam-regex-headers-spam '("^X-Spam-Flag: YES")
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"Regular expression for positive header spam matches.
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Only meaningful if you enable `spam-use-regex-headers'."
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:type '(repeat (regexp :tag "Regular expression to match spam header"))
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:group 'spam)
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(defcustom spam-regex-headers-ham '("^X-Spam-Flag: NO")
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"Regular expression for positive header ham matches.
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Only meaningful if you enable `spam-use-regex-headers'."
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:type '(repeat (regexp :tag "Regular expression to match ham header"))
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:group 'spam)
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(defcustom spam-regex-body-spam '()
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"Regular expression for positive body spam matches.
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Only meaningful if you enable `spam-use-regex-body'."
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:type '(repeat (regexp :tag "Regular expression to match spam body"))
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:group 'spam)
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(defcustom spam-regex-body-ham '()
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"Regular expression for positive body ham matches.
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Only meaningful if you enable `spam-use-regex-body'."
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:type '(repeat (regexp :tag "Regular expression to match ham body"))
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:group 'spam)
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(defcustom spam-summary-score-preferred-header nil
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"Preferred header to use for `spam-summary-score'."
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:type '(choice :tag "Header name"
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(symbol :tag "SpamAssassin etc" X-Spam-Status)
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(symbol :tag "Bogofilter" X-Bogosity)
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(const :tag "No preference, take best guess." nil))
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:group 'spam)
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(defgroup spam-ifile nil
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"Spam ifile configuration."
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:group 'spam)
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(make-obsolete-variable 'spam-ifile-path 'spam-ifile-program)
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;; "22.1" ;; Gnus 5.10.9
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(defcustom spam-ifile-program (executable-find "ifile")
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"Name of the ifile program."
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:type '(choice (file :tag "Location of ifile")
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(const :tag "ifile is not installed"))
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:group 'spam-ifile)
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(make-obsolete-variable 'spam-ifile-database-path 'spam-ifile-database)
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;; "22.1" ;; Gnus 5.10.9
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(defcustom spam-ifile-database nil
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"File name of the ifile database."
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:type '(choice (file :tag "Location of the ifile database")
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(const :tag "Use the default"))
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:group 'spam-ifile)
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(defcustom spam-ifile-spam-category "spam"
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"Name of the spam ifile category."
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:type 'string
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:group 'spam-ifile)
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(defcustom spam-ifile-ham-category nil
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"Name of the ham ifile category.
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If nil, the current group name will be used."
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:type '(choice (string :tag "Use a fixed category")
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(const :tag "Use the current group name"))
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:group 'spam-ifile)
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(defcustom spam-ifile-all-categories nil
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"Whether the ifile check will return all categories, or just spam.
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Set this to t if you want to use the `spam-split' invocation of ifile as
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your main source of newsgroup names."
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:type 'boolean
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:group 'spam-ifile)
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(defgroup spam-bogofilter nil
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"Spam bogofilter configuration."
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:group 'spam)
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(make-obsolete-variable 'spam-bogofilter-path 'spam-bogofilter-program)
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;; "22.1" ;; Gnus 5.10.9
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(defcustom spam-bogofilter-program (executable-find "bogofilter")
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"Name of the Bogofilter program."
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:type '(choice (file :tag "Location of bogofilter")
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(const :tag "Bogofilter is not installed"))
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:group 'spam-bogofilter)
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(defvar spam-bogofilter-valid 'unknown "Is the bogofilter version valid?")
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(defcustom spam-bogofilter-header "X-Bogosity"
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"The header that Bogofilter inserts in messages."
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:type 'string
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:group 'spam-bogofilter)
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(defcustom spam-bogofilter-spam-switch "-s"
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"The switch that Bogofilter uses to register spam messages."
|
|
:type 'string
|
|
:group 'spam-bogofilter)
|
|
|
|
(defcustom spam-bogofilter-ham-switch "-n"
|
|
"The switch that Bogofilter uses to register ham messages."
|
|
:type 'string
|
|
:group 'spam-bogofilter)
|
|
|
|
(defcustom spam-bogofilter-spam-strong-switch "-S"
|
|
"The switch that Bogofilter uses to unregister ham messages."
|
|
:type 'string
|
|
:group 'spam-bogofilter)
|
|
|
|
(defcustom spam-bogofilter-ham-strong-switch "-N"
|
|
"The switch that Bogofilter uses to unregister spam messages."
|
|
:type 'string
|
|
:group 'spam-bogofilter)
|
|
|
|
(defcustom spam-bogofilter-bogosity-positive-spam-header "^\\(Yes\\|Spam\\)"
|
|
"The regex on `spam-bogofilter-header' for positive spam identification."
|
|
:type 'regexp
|
|
:group 'spam-bogofilter)
|
|
|
|
(defcustom spam-bogofilter-database-directory nil
|
|
"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)
|
|
;; "22.1" ;; Gnus 5.10.9
|
|
(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)
|
|
|
|
(defcustom spam-spamoracle-database nil
|
|
"Location of spamoracle database file.
|
|
When nil, use the default spamoracle database."
|
|
:type '(choice (directory :tag "Location of spamoracle database file.")
|
|
(const :tag "Use the default"))
|
|
:group 'spam-spamoracle)
|
|
|
|
(defcustom spam-spamoracle-binary (executable-find "spamoracle")
|
|
"Location of the spamoracle binary."
|
|
:type '(choice (directory :tag "Location of the spamoracle binary")
|
|
(const :tag "Use the default"))
|
|
:group 'spam-spamoracle)
|
|
|
|
(defgroup spam-spamassassin nil
|
|
"Spam SpamAssassin configuration."
|
|
:group 'spam)
|
|
|
|
(make-obsolete-variable 'spam-spamassassin-path
|
|
'spam-spamassassin-program) ;; "22.1" ;; Gnus 5.10.9
|
|
(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")
|
|
(const :tag "spamassassin is not installed"))
|
|
:group 'spam-spamassassin)
|
|
|
|
(defcustom spam-spamassassin-arguments ()
|
|
"Arguments to pass to the spamassassin executable.
|
|
This must be a list. For example, `(\"-C\" \"configfile\")'."
|
|
:type '(restricted-sexp :match-alternatives (listp))
|
|
:group 'spam-spamassassin)
|
|
|
|
(defcustom spam-spamassassin-spam-flag-header "X-Spam-Flag"
|
|
"The header inserted by SpamAssassin to flag spam."
|
|
:type 'string
|
|
:group 'spam-spamassassin)
|
|
|
|
(defcustom spam-spamassassin-positive-spam-flag-header "YES"
|
|
"The regex on `spam-spamassassin-spam-flag-header' for positive spam
|
|
identification"
|
|
:type 'string
|
|
:group 'spam-spamassassin)
|
|
|
|
(defcustom spam-spamassassin-spam-status-header "X-Spam-Status"
|
|
"The header inserted by SpamAssassin, giving extended scoring information"
|
|
:type 'string
|
|
:group 'spam-spamassassin)
|
|
|
|
(make-obsolete-variable 'spam-sa-learn-path 'spam-sa-learn-program)
|
|
;; "22.1" ;; Gnus 5.10.9
|
|
(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)
|
|
|
|
(defcustom spam-sa-learn-rebuild t
|
|
"Whether sa-learn should rebuild the database every time it is called
|
|
Enable this if you want sa-learn to rebuild the database automatically. Doing
|
|
this will slightly increase the running time of the spam registration process.
|
|
If you choose not to do this, you will have to run \"sa-learn --rebuild\" in
|
|
order for SpamAssassin to recognize the new registered spam."
|
|
:type 'boolean
|
|
:group 'spam-spamassassin)
|
|
|
|
(defcustom spam-sa-learn-spam-switch "--spam"
|
|
"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."
|
|
:type 'string
|
|
:group 'spam-spamassassin)
|
|
|
|
(defcustom spam-sa-learn-unregister-switch "--forget"
|
|
"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 "--UNKNOWN"
|
|
"The switch that CRM114 Mailfilter uses to unregister ham messages."
|
|
:type 'string
|
|
:group 'spam-crm114)
|
|
|
|
(defcustom spam-crm114-ham-strong-switch "--UNKNOWN"
|
|
"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
|
|
"St" spam-generic-score
|
|
"Sx" gnus-summary-mark-as-spam
|
|
"Mst" spam-generic-score
|
|
"Msx" gnus-summary-mark-as-spam
|
|
"\M-d" gnus-summary-mark-as-spam)
|
|
|
|
(defvar spam-cache-lookups t
|
|
"Whether spam.el will try to cache lookups using `spam-caches'.")
|
|
|
|
(defvar spam-caches (make-hash-table
|
|
:size 10
|
|
:test 'equal)
|
|
"Cache of spam detection entries.")
|
|
|
|
(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.")
|
|
|
|
(defvar spam-split-last-successful-check nil
|
|
"Internal variable.
|
|
`spam-split' will set this to nil or a spam-use-XYZ check if it
|
|
finds ham or spam.")
|
|
|
|
;; 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 `spam-caches' entry for a check."
|
|
(remhash symbol spam-caches))
|
|
|
|
(defun spam-xor (a b)
|
|
"Logical A xor B."
|
|
(and (or a b) (not (and a b))))
|
|
|
|
(defun spam-set-difference (list1 list2)
|
|
"Return a set difference of LIST1 and LIST2.
|
|
When either list is nil, the other is returned."
|
|
(if (and list1 list2)
|
|
;; we have two non-nil lists
|
|
(progn
|
|
(dolist (item (append list1 list2))
|
|
(when (and (memq item list1) (memq item list2))
|
|
(setq list1 (delq item list1))
|
|
(setq list2 (delq item list2))))
|
|
(append list1 list2))
|
|
;; if either of the lists was nil, return the other one
|
|
(if list1 list1 list2)))
|
|
|
|
(defun spam-group-ham-mark-p (group mark &optional spam)
|
|
"Checks if MARK is considered a ham mark in GROUP."
|
|
(when (stringp group)
|
|
(let* ((marks (spam-group-ham-marks group spam))
|
|
(marks (if (symbolp mark)
|
|
marks
|
|
(mapcar 'symbol-value marks))))
|
|
(memq mark marks))))
|
|
|
|
(defun spam-group-spam-mark-p (group mark)
|
|
"Checks if MARK is considered a spam mark in GROUP."
|
|
(spam-group-ham-mark-p group mark t))
|
|
|
|
(defun spam-group-ham-marks (group &optional spam)
|
|
"In GROUP, get all the ham marks."
|
|
(when (stringp group)
|
|
(let* ((marks (if spam
|
|
(gnus-parameter-spam-marks group)
|
|
(gnus-parameter-ham-marks group)))
|
|
(marks (car marks))
|
|
(marks (if (listp (car marks)) (car marks) marks)))
|
|
marks)))
|
|
|
|
(defun spam-group-spam-marks (group)
|
|
"In GROUP, get all the spam marks."
|
|
(spam-group-ham-marks group t))
|
|
|
|
(defun spam-group-spam-contents-p (group)
|
|
"Is GROUP a spam group?"
|
|
(if (and (stringp group) (< 0 (length group)))
|
|
(or (member group spam-junk-mailgroups)
|
|
(memq 'gnus-group-spam-classification-spam
|
|
(gnus-parameter-spam-contents group)))
|
|
nil))
|
|
|
|
(defun spam-group-ham-contents-p (group)
|
|
"Is GROUP a ham group?"
|
|
(if (stringp group)
|
|
(memq 'gnus-group-spam-classification-ham
|
|
(gnus-parameter-spam-contents group))
|
|
nil))
|
|
|
|
(defun spam-classifications ()
|
|
"Return list of valid classifications"
|
|
'(spam ham))
|
|
|
|
(defun spam-classification-valid-p (classification)
|
|
"Is CLASSIFICATION a valid spam/ham classification?"
|
|
(memq classification (spam-classifications)))
|
|
|
|
(defun spam-backend-properties ()
|
|
"Return list of valid classifications."
|
|
'(statistical mover check hrf srf huf suf))
|
|
|
|
(defun spam-backend-property-valid-p (property)
|
|
"Is PROPERTY a valid backend property?"
|
|
(memq property (spam-backend-properties)))
|
|
|
|
(defun spam-backend-function-type-valid-p (type)
|
|
(or (eq type 'registration)
|
|
(eq type 'unregistration)))
|
|
|
|
(defun spam-process-type-valid-p (process-type)
|
|
(or (eq process-type 'incoming)
|
|
(eq process-type 'process)))
|
|
|
|
(defun spam-list-articles (articles classification)
|
|
(let ((mark-check (if (eq classification 'spam)
|
|
'spam-group-spam-mark-p
|
|
'spam-group-ham-mark-p))
|
|
alist mark-cache-yes mark-cache-no)
|
|
(dolist (article articles)
|
|
(let ((mark (gnus-summary-article-mark article)))
|
|
(unless (or (memq mark mark-cache-yes)
|
|
(memq mark mark-cache-no))
|
|
(if (funcall mark-check
|
|
gnus-newsgroup-name
|
|
mark)
|
|
(push mark mark-cache-yes)
|
|
(push mark mark-cache-no)))
|
|
(when (memq mark mark-cache-yes)
|
|
(push article alist))))
|
|
alist))
|
|
|
|
;;}}}
|
|
|
|
;;{{{ backend installation functions and procedures
|
|
|
|
(defun spam-install-backend-super (backend &rest properties)
|
|
"Install BACKEND for spam.el.
|
|
Accepts incoming CHECK, ham registration function HRF, spam
|
|
registration function SRF, ham unregistration function HUF, spam
|
|
unregistration function SUF, and an indication whether the
|
|
backend is STATISTICAL."
|
|
(setq spam-backends (add-to-list 'spam-backends backend))
|
|
(while properties
|
|
(let ((property (pop properties))
|
|
(value (pop properties)))
|
|
(if (spam-backend-property-valid-p property)
|
|
(put backend property value)
|
|
(gnus-error
|
|
5
|
|
"spam-install-backend-super got an invalid property %s"
|
|
property)))))
|
|
|
|
(defun spam-backend-list (&optional type)
|
|
"Return a list of all the backend symbols, constrained by TYPE.
|
|
When TYPE is 'non-mover, only non-mover backends are returned.
|
|
When TYPE is 'mover, only mover backends are returned."
|
|
(let (list)
|
|
(dolist (backend spam-backends)
|
|
(when (or
|
|
(null type) ;either no type was requested
|
|
;; or the type is 'mover and the backend is a mover
|
|
(and
|
|
(eq type 'mover)
|
|
(spam-backend-mover-p backend))
|
|
;; or the type is 'non-mover and the backend is not a mover
|
|
(and
|
|
(eq type 'non-mover)
|
|
(not (spam-backend-mover-p backend))))
|
|
(push backend list)))
|
|
list))
|
|
|
|
(defun spam-backend-check (backend)
|
|
"Get the check function for BACKEND.
|
|
Each individual check may return nil, t, or a mailgroup name.
|
|
The value nil means that the check does not yield a decision, and
|
|
so, that further checks are needed. The value t means that the
|
|
message is definitely not spam, and that further spam checks
|
|
should be inhibited. Otherwise, a mailgroup name or the symbol
|
|
'spam (depending on `spam-split-symbolic-return') is returned where
|
|
the mail should go, and further checks are also inhibited. The
|
|
usual mailgroup name is the value of `spam-split-group', meaning
|
|
that the message is definitely a spam."
|
|
(get backend 'check))
|
|
|
|
(defun spam-backend-valid-p (backend)
|
|
"Is BACKEND valid?"
|
|
(member backend (spam-backend-list)))
|
|
|
|
(defun spam-backend-info (backend)
|
|
"Return information about BACKEND."
|
|
(if (spam-backend-valid-p backend)
|
|
(let (info)
|
|
(setq info (format "Backend %s has the following properties:\n"
|
|
backend))
|
|
(dolist (property (spam-backend-properties))
|
|
(setq info (format "%s%s=%s\n"
|
|
info
|
|
property
|
|
(get backend property))))
|
|
info)
|
|
(gnus-error 5 "spam-backend-info was asked about an invalid backend %s"
|
|
backend)))
|
|
|
|
(defun spam-backend-function (backend classification type)
|
|
"Get the BACKEND function for CLASSIFICATION and TYPE.
|
|
TYPE is 'registration or 'unregistration.
|
|
CLASSIFICATION is 'ham or 'spam."
|
|
(if (and
|
|
(spam-classification-valid-p classification)
|
|
(spam-backend-function-type-valid-p type))
|
|
(let ((retrieval
|
|
(intern
|
|
(format "spam-backend-%s-%s-function"
|
|
classification
|
|
type))))
|
|
(funcall retrieval backend))
|
|
(gnus-error
|
|
5
|
|
"%s was passed invalid backend %s, classification %s, or type %s"
|
|
"spam-backend-function"
|
|
backend
|
|
classification
|
|
type)))
|
|
|
|
(defun spam-backend-article-list-property (classification
|
|
&optional unregister)
|
|
"Property name of article list with CLASSIFICATION and UNREGISTER."
|
|
(let* ((r (if unregister "unregister" "register"))
|
|
(prop (format "%s-%s" classification r)))
|
|
prop))
|
|
|
|
(defun spam-backend-get-article-todo-list (backend
|
|
classification
|
|
&optional unregister)
|
|
"Get the articles to be processed for BACKEND and CLASSIFICATION.
|
|
With UNREGISTER, get articles to be unregistered.
|
|
This is a temporary storage function - nothing here persists."
|
|
(get
|
|
backend
|
|
(intern (spam-backend-article-list-property classification unregister))))
|
|
|
|
(defun spam-backend-put-article-todo-list (backend classification list &optional unregister)
|
|
"Set the LIST of articles to be processed for BACKEND and CLASSIFICATION.
|
|
With UNREGISTER, set articles to be unregistered.
|
|
This is a temporary storage function - nothing here persists."
|
|
(put
|
|
backend
|
|
(intern (spam-backend-article-list-property classification unregister))
|
|
list))
|
|
|
|
(defun spam-backend-ham-registration-function (backend)
|
|
"Get the ham registration function for BACKEND."
|
|
(get backend 'hrf))
|
|
|
|
(defun spam-backend-spam-registration-function (backend)
|
|
"Get the spam registration function for BACKEND."
|
|
(get backend 'srf))
|
|
|
|
(defun spam-backend-ham-unregistration-function (backend)
|
|
"Get the ham unregistration function for BACKEND."
|
|
(get backend 'huf))
|
|
|
|
(defun spam-backend-spam-unregistration-function (backend)
|
|
"Get the spam unregistration function for BACKEND."
|
|
(get backend 'suf))
|
|
|
|
(defun spam-backend-statistical-p (backend)
|
|
"Is BACKEND statistical?"
|
|
(get backend 'statistical))
|
|
|
|
(defun spam-backend-mover-p (backend)
|
|
"Is BACKEND a mover?"
|
|
(get backend 'mover))
|
|
|
|
(defun spam-install-backend-alias (backend alias)
|
|
"Add ALIAS to an existing BACKEND.
|
|
The previous backend settings for ALIAS are erased."
|
|
|
|
;; install alias with no properties at first
|
|
(spam-install-backend-super alias)
|
|
|
|
(dolist (property (spam-backend-properties))
|
|
(put alias property (get backend property))))
|
|
|
|
(defun spam-install-checkonly-backend (backend check)
|
|
"Install a BACKEND than can only CHECK for spam."
|
|
(spam-install-backend-super backend 'check check))
|
|
|
|
(defun spam-install-mover-backend (backend hrf srf huf suf)
|
|
"Install a BACKEND than can move articles at summary exit.
|
|
Accepts ham registration function HRF, spam registration function
|
|
SRF, ham unregistration function HUF, spam unregistration
|
|
function SUF. The backend has no incoming check and can't be
|
|
statistical."
|
|
(spam-install-backend-super
|
|
backend
|
|
'hrf hrf 'srf srf 'huf huf 'suf suf 'mover t))
|
|
|
|
(defun spam-install-nocheck-backend (backend hrf srf huf suf)
|
|
"Install a BACKEND than has no check.
|
|
Accepts ham registration function HRF, spam registration function
|
|
SRF, ham unregistration function HUF, spam unregistration
|
|
function SUF. The backend has no incoming check and can't be
|
|
statistical (it could be, but in practice that doesn't happen)."
|
|
(spam-install-backend-super
|
|
backend
|
|
'hrf hrf 'srf srf 'huf huf 'suf suf))
|
|
|
|
(defun spam-install-backend (backend check hrf srf huf suf)
|
|
"Install a BACKEND.
|
|
Accepts incoming CHECK, ham registration function HRF, spam
|
|
registration function SRF, ham unregistration function HUF, spam
|
|
unregistration function SUF. The backend won't be
|
|
statistical (use `spam-install-statistical-backend' for that)."
|
|
(spam-install-backend-super
|
|
backend
|
|
'check check 'hrf hrf 'srf srf 'huf huf 'suf suf))
|
|
|
|
(defun spam-install-statistical-backend (backend check hrf srf huf suf)
|
|
"Install a BACKEND.
|
|
Accepts incoming CHECK, ham registration function HRF, spam
|
|
registration function SRF, ham unregistration function HUF, spam
|
|
unregistration function SUF. The backend will be
|
|
statistical (use `spam-install-backend' for non-statistical
|
|
backends)."
|
|
(spam-install-backend-super
|
|
backend
|
|
'check check 'statistical t 'hrf hrf 'srf srf 'huf huf 'suf suf))
|
|
|
|
(defun spam-install-statistical-checkonly-backend (backend check)
|
|
"Install a statistical BACKEND than can only CHECK for spam."
|
|
(spam-install-backend-super
|
|
backend
|
|
'check check 'statistical t))
|
|
|
|
;;}}}
|
|
|
|
;;{{{ backend installations
|
|
(spam-install-checkonly-backend 'spam-use-blackholes
|
|
'spam-check-blackholes)
|
|
|
|
(spam-install-checkonly-backend 'spam-use-hashcash
|
|
'spam-check-hashcash)
|
|
|
|
(spam-install-checkonly-backend 'spam-use-spamassassin-headers
|
|
'spam-check-spamassassin-headers)
|
|
|
|
(spam-install-checkonly-backend 'spam-use-bogofilter-headers
|
|
'spam-check-bogofilter-headers)
|
|
|
|
(spam-install-checkonly-backend 'spam-use-bsfilter-headers
|
|
'spam-check-bsfilter-headers)
|
|
|
|
(spam-install-checkonly-backend 'spam-use-gmane-xref
|
|
'spam-check-gmane-xref)
|
|
|
|
(spam-install-checkonly-backend 'spam-use-regex-headers
|
|
'spam-check-regex-headers)
|
|
|
|
(spam-install-statistical-checkonly-backend 'spam-use-regex-body
|
|
'spam-check-regex-body)
|
|
|
|
;; TODO: NOTE: spam-use-ham-copy is now obsolete, use (ham spam-use-copy) instead
|
|
(spam-install-mover-backend 'spam-use-move
|
|
'spam-move-ham-routine
|
|
'spam-move-spam-routine
|
|
nil
|
|
nil)
|
|
|
|
(spam-install-nocheck-backend 'spam-use-copy
|
|
'spam-copy-ham-routine
|
|
'spam-copy-spam-routine
|
|
nil
|
|
nil)
|
|
|
|
(spam-install-nocheck-backend 'spam-use-gmane
|
|
'spam-report-gmane-unregister-routine
|
|
'spam-report-gmane-register-routine
|
|
'spam-report-gmane-register-routine
|
|
'spam-report-gmane-unregister-routine)
|
|
|
|
(spam-install-nocheck-backend 'spam-use-resend
|
|
'spam-report-resend-register-ham-routine
|
|
'spam-report-resend-register-routine
|
|
nil
|
|
nil)
|
|
|
|
(spam-install-backend 'spam-use-BBDB
|
|
'spam-check-BBDB
|
|
'spam-BBDB-register-routine
|
|
nil
|
|
'spam-BBDB-unregister-routine
|
|
nil)
|
|
|
|
(spam-install-backend-alias 'spam-use-BBDB 'spam-use-BBDB-exclusive)
|
|
|
|
(spam-install-backend 'spam-use-blacklist
|
|
'spam-check-blacklist
|
|
nil
|
|
'spam-blacklist-register-routine
|
|
nil
|
|
'spam-blacklist-unregister-routine)
|
|
|
|
(spam-install-backend 'spam-use-whitelist
|
|
'spam-check-whitelist
|
|
'spam-whitelist-register-routine
|
|
nil
|
|
'spam-whitelist-unregister-routine
|
|
nil)
|
|
|
|
(spam-install-statistical-backend 'spam-use-ifile
|
|
'spam-check-ifile
|
|
'spam-ifile-register-ham-routine
|
|
'spam-ifile-register-spam-routine
|
|
'spam-ifile-unregister-ham-routine
|
|
'spam-ifile-unregister-spam-routine)
|
|
|
|
(spam-install-statistical-backend 'spam-use-spamoracle
|
|
'spam-check-spamoracle
|
|
'spam-spamoracle-learn-ham
|
|
'spam-spamoracle-learn-spam
|
|
'spam-spamoracle-unlearn-ham
|
|
'spam-spamoracle-unlearn-spam)
|
|
|
|
(spam-install-statistical-backend 'spam-use-stat
|
|
'spam-check-stat
|
|
'spam-stat-register-ham-routine
|
|
'spam-stat-register-spam-routine
|
|
'spam-stat-unregister-ham-routine
|
|
'spam-stat-unregister-spam-routine)
|
|
|
|
(spam-install-statistical-backend 'spam-use-spamassassin
|
|
'spam-check-spamassassin
|
|
'spam-spamassassin-register-ham-routine
|
|
'spam-spamassassin-register-spam-routine
|
|
'spam-spamassassin-unregister-ham-routine
|
|
'spam-spamassassin-unregister-spam-routine)
|
|
|
|
(spam-install-statistical-backend 'spam-use-bogofilter
|
|
'spam-check-bogofilter
|
|
'spam-bogofilter-register-ham-routine
|
|
'spam-bogofilter-register-spam-routine
|
|
'spam-bogofilter-unregister-ham-routine
|
|
'spam-bogofilter-unregister-spam-routine)
|
|
|
|
(spam-install-statistical-backend 'spam-use-bsfilter
|
|
'spam-check-bsfilter
|
|
'spam-bsfilter-register-ham-routine
|
|
'spam-bsfilter-register-spam-routine
|
|
'spam-bsfilter-unregister-ham-routine
|
|
'spam-bsfilter-unregister-spam-routine)
|
|
|
|
(spam-install-statistical-backend 'spam-use-crm114
|
|
'spam-check-crm114
|
|
'spam-crm114-register-ham-routine
|
|
'spam-crm114-register-spam-routine
|
|
;; does CRM114 Mailfilter support unregistration?
|
|
nil
|
|
nil)
|
|
|
|
;;}}}
|
|
|
|
;;{{{ scoring and summary formatting
|
|
(defun spam-necessary-extra-headers ()
|
|
"Return the extra headers spam.el thinks are necessary."
|
|
(let (list)
|
|
(when (or spam-use-spamassassin
|
|
spam-use-spamassassin-headers
|
|
spam-use-regex-headers)
|
|
(push 'X-Spam-Status list))
|
|
(when (or spam-use-bogofilter
|
|
spam-use-regex-headers)
|
|
(push 'X-Bogosity list))
|
|
(when (or spam-use-crm114
|
|
spam-use-regex-headers)
|
|
(push 'X-CRM114-Status list))
|
|
list))
|
|
|
|
(defun spam-user-format-function-S (headers)
|
|
(when headers
|
|
(format "%3.2f"
|
|
(spam-summary-score headers spam-summary-score-preferred-header))))
|
|
|
|
(defun spam-article-sort-by-spam-status (h1 h2)
|
|
"Sort articles by score."
|
|
(let (result)
|
|
(dolist (header (spam-necessary-extra-headers))
|
|
(let ((s1 (spam-summary-score h1 header))
|
|
(s2 (spam-summary-score h2 header)))
|
|
(unless (= s1 s2)
|
|
(setq result (< s1 s2))
|
|
(return))))
|
|
result))
|
|
|
|
(defvar spam-spamassassin-score-regexp
|
|
".*\\b\\(?:score\\|hits\\)=\\(-?[0-9.]+\\)"
|
|
"Regexp matching SpamAssassin score header.
|
|
The first group must match the number.")
|
|
|
|
(defun spam-extra-header-to-number (header headers)
|
|
"Transform an extra HEADER to a number, using list of HEADERS.
|
|
Note this has to be fast."
|
|
(let ((header-content (gnus-extra-header header headers)))
|
|
(if header-content
|
|
(cond
|
|
((eq header 'X-Spam-Status)
|
|
(string-to-number (gnus-replace-in-string
|
|
header-content
|
|
spam-spamassassin-score-regexp
|
|
"\\1")))
|
|
;; for CRM checking, it's probably faster to just do the string match
|
|
((string-match "( pR: \\([0-9.-]+\\)" header-content)
|
|
(- (string-to-number (match-string 1 header-content))))
|
|
((eq header 'X-Bogosity)
|
|
(string-to-number (gnus-replace-in-string
|
|
(gnus-replace-in-string
|
|
header-content
|
|
".*spamicity=" "")
|
|
",.*" "")))
|
|
(t nil))
|
|
nil)))
|
|
|
|
(defun spam-summary-score (headers &optional specific-header)
|
|
"Score an article for the summary buffer, as fast as possible.
|
|
With SPECIFIC-HEADER, returns only that header's score.
|
|
Will not return a nil score."
|
|
(let (score)
|
|
(dolist (header
|
|
(if specific-header
|
|
(list specific-header)
|
|
(spam-necessary-extra-headers)))
|
|
(setq score
|
|
(spam-extra-header-to-number header headers))
|
|
(when score
|
|
(return)))
|
|
(or score 0)))
|
|
|
|
(defun spam-generic-score (&optional recheck)
|
|
"Invoke whatever scoring method we can."
|
|
(interactive "P")
|
|
(cond
|
|
((or spam-use-spamassassin spam-use-spamassassin-headers)
|
|
(spam-spamassassin-score recheck))
|
|
((or spam-use-bsfilter spam-use-bsfilter-headers)
|
|
(spam-bsfilter-score recheck))
|
|
(spam-use-crm114
|
|
(spam-crm114-score))
|
|
(t (spam-bogofilter-score recheck))))
|
|
;;}}}
|
|
|
|
;;{{{ set up widening, processor checks
|
|
|
|
;;; set up IMAP widening if it's necessary
|
|
(defun spam-setup-widening ()
|
|
(when (spam-widening-needed-p)
|
|
(setq nnimap-split-download-body-default t)))
|
|
|
|
(defun spam-widening-needed-p (&optional force-symbols)
|
|
(let (found)
|
|
(dolist (backend (spam-backend-list))
|
|
(when (and (spam-backend-statistical-p backend)
|
|
(or (symbol-value backend)
|
|
(memq backend force-symbols)))
|
|
(setq found backend)))
|
|
found))
|
|
|
|
(defvar spam-list-of-processors
|
|
;; note the nil processors are not defined in gnus.el
|
|
'((gnus-group-spam-exit-processor-bogofilter spam spam-use-bogofilter)
|
|
(gnus-group-spam-exit-processor-bsfilter spam spam-use-bsfilter)
|
|
(gnus-group-spam-exit-processor-blacklist spam spam-use-blacklist)
|
|
(gnus-group-spam-exit-processor-ifile spam spam-use-ifile)
|
|
(gnus-group-spam-exit-processor-stat spam spam-use-stat)
|
|
(gnus-group-spam-exit-processor-spamoracle spam spam-use-spamoracle)
|
|
(gnus-group-spam-exit-processor-spamassassin spam spam-use-spamassassin)
|
|
(gnus-group-spam-exit-processor-report-gmane spam spam-use-gmane) ;; Buggy?
|
|
(gnus-group-ham-exit-processor-ifile ham spam-use-ifile)
|
|
(gnus-group-ham-exit-processor-bogofilter ham spam-use-bogofilter)
|
|
(gnus-group-ham-exit-processor-bsfilter ham spam-use-bsfilter)
|
|
(gnus-group-ham-exit-processor-stat ham spam-use-stat)
|
|
(gnus-group-ham-exit-processor-whitelist ham spam-use-whitelist)
|
|
(gnus-group-ham-exit-processor-BBDB ham spam-use-BBDB)
|
|
(gnus-group-ham-exit-processor-copy ham spam-use-ham-copy)
|
|
(gnus-group-ham-exit-processor-spamassassin ham spam-use-spamassassin)
|
|
(gnus-group-ham-exit-processor-spamoracle ham spam-use-spamoracle))
|
|
"The OBSOLETE `spam-list-of-processors' list.
|
|
This list contains pairs associating the obsolete ham/spam exit
|
|
processor variables with a classification and a spam-use-*
|
|
variable. When the processor variable is nil, just the
|
|
classification and spam-use-* check variable are used. This is
|
|
superseded by the new spam backend code, so it's only consulted
|
|
for backwards compatibility.")
|
|
|
|
(defun spam-group-processor-p (group backend &optional classification)
|
|
"Checks if GROUP has a BACKEND with CLASSIFICATION registered.
|
|
Also accepts the obsolete processors, which can be found in
|
|
gnus.el and in spam-list-of-processors. In the case of mover
|
|
backends, checks the setting of `spam-summary-exit-behavior' in
|
|
addition to the set values for the group."
|
|
(if (and (stringp group)
|
|
(symbolp backend))
|
|
(let ((old-style (assq backend spam-list-of-processors))
|
|
(parameters (nth 0 (gnus-parameter-spam-process group)))
|
|
found)
|
|
(if old-style ; old-style processor
|
|
(spam-group-processor-p group (nth 2 old-style) (nth 1 old-style))
|
|
;; now search for the parameter
|
|
(dolist (parameter parameters)
|
|
(when (and (null found)
|
|
(listp parameter)
|
|
(eq classification (nth 0 parameter))
|
|
(eq backend (nth 1 parameter)))
|
|
(setq found t)))
|
|
|
|
;; now, if the parameter was not found, do the
|
|
;; spam-summary-exit-behavior-logic for mover backends
|
|
(unless found
|
|
(when (spam-backend-mover-p backend)
|
|
(setq
|
|
found
|
|
(cond
|
|
((eq spam-summary-exit-behavior 'move-all) t)
|
|
((eq spam-summary-exit-behavior 'move-none) nil)
|
|
((eq spam-summary-exit-behavior 'default)
|
|
(or (eq classification 'spam) ;move spam out of all groups
|
|
;; move ham out of spam groups
|
|
(and (eq classification 'ham)
|
|
(spam-group-spam-contents-p group))))
|
|
(t (gnus-error 5 "Unknown spam-summary-exit-behavior: %s"
|
|
spam-summary-exit-behavior))))))
|
|
|
|
found))
|
|
nil))
|
|
|
|
;;}}}
|
|
|
|
;;{{{ Summary entry and exit processing.
|
|
|
|
(defun spam-mark-junk-as-spam-routine ()
|
|
;; check the global list of group names spam-junk-mailgroups and the
|
|
;; group parameters
|
|
(when (spam-group-spam-contents-p gnus-newsgroup-name)
|
|
(gnus-message 6 "Marking %s articles as spam"
|
|
(if spam-mark-only-unseen-as-spam
|
|
"unseen"
|
|
"unread"))
|
|
(let ((articles (if spam-mark-only-unseen-as-spam
|
|
gnus-newsgroup-unseen
|
|
gnus-newsgroup-unreads)))
|
|
(if spam-mark-new-messages-in-spam-group-as-spam
|
|
(dolist (article articles)
|
|
(gnus-summary-mark-article article gnus-spam-mark))
|
|
(gnus-message 9 "Did not mark new messages as spam.")))))
|
|
|
|
(defun spam-summary-prepare ()
|
|
(setq spam-old-articles
|
|
(list (cons 'ham (spam-list-articles gnus-newsgroup-articles 'ham))
|
|
(cons 'spam (spam-list-articles gnus-newsgroup-articles 'spam))))
|
|
(spam-mark-junk-as-spam-routine))
|
|
|
|
;; The spam processors are invoked for any group, spam or ham or neither
|
|
(defun spam-summary-prepare-exit ()
|
|
(unless gnus-group-is-exiting-without-update-p
|
|
(gnus-message 6 "Exiting summary buffer and applying spam rules")
|
|
|
|
;; before we begin, remove any article limits
|
|
; (ignore-errors
|
|
; (gnus-summary-pop-limit t))
|
|
|
|
;; first of all, unregister any articles that are no longer ham or spam
|
|
;; we have to iterate over the processors, or else we'll be too slow
|
|
(dolist (classification (spam-classifications))
|
|
(let* ((old-articles (cdr-safe (assq classification spam-old-articles)))
|
|
(new-articles (spam-list-articles
|
|
gnus-newsgroup-articles
|
|
classification))
|
|
(changed-articles (spam-set-difference new-articles old-articles)))
|
|
;; now that we have the changed articles, we go through the processors
|
|
(dolist (backend (spam-backend-list))
|
|
(let (unregister-list)
|
|
(dolist (article changed-articles)
|
|
(let ((id (spam-fetch-field-message-id-fast article)))
|
|
(when (spam-log-unregistration-needed-p
|
|
id 'process classification backend)
|
|
(push article unregister-list))))
|
|
;; call spam-register-routine with specific articles to unregister,
|
|
;; when there are articles to unregister and the check is enabled
|
|
(when (and unregister-list (symbol-value backend))
|
|
(spam-backend-put-article-todo-list backend
|
|
classification
|
|
unregister-list
|
|
t))))))
|
|
|
|
;; do the non-moving backends first, then the moving ones
|
|
(dolist (backend-type '(non-mover mover))
|
|
(dolist (classification (spam-classifications))
|
|
(dolist (backend (spam-backend-list backend-type))
|
|
(when (spam-group-processor-p
|
|
gnus-newsgroup-name
|
|
backend
|
|
classification)
|
|
(spam-backend-put-article-todo-list backend
|
|
classification
|
|
(spam-list-articles
|
|
gnus-newsgroup-articles
|
|
classification))))))
|
|
|
|
(spam-resolve-registrations-routine) ; do the registrations now
|
|
|
|
;; we mark all the leftover spam articles as expired at the end
|
|
(dolist (article (spam-list-articles
|
|
gnus-newsgroup-articles
|
|
'spam))
|
|
(gnus-summary-mark-article article gnus-expirable-mark)))
|
|
|
|
(setq spam-old-articles nil))
|
|
|
|
;;}}}
|
|
|
|
;;{{{ spam-use-move and spam-use-copy backend support functions
|
|
|
|
(defun spam-copy-or-move-routine (copy groups articles classification)
|
|
|
|
(when (and (car-safe groups) (listp (car-safe groups)))
|
|
(setq groups (pop groups)))
|
|
|
|
(unless (listp groups)
|
|
(setq groups (list groups)))
|
|
|
|
;; remove the current process mark
|
|
(gnus-summary-kill-process-mark)
|
|
|
|
(let ((backend-supports-deletions
|
|
(gnus-check-backend-function
|
|
'request-move-article gnus-newsgroup-name))
|
|
(respool-method (gnus-find-method-for-group gnus-newsgroup-name))
|
|
article mark deletep respool)
|
|
|
|
(when (member 'respool groups)
|
|
(setq respool t) ; boolean for later
|
|
(setq groups '("fake"))) ; when respooling, groups are dynamic so fake it
|
|
|
|
;; now do the actual move
|
|
(dolist (group groups)
|
|
(when (and articles (stringp group))
|
|
|
|
;; first, mark the article with the process mark and, if needed,
|
|
;; the unread or expired mark (for ham and spam respectively)
|
|
(dolist (article articles)
|
|
(when (and (eq classification 'ham)
|
|
spam-mark-ham-unread-before-move-from-spam-group)
|
|
(gnus-message 9 "Marking ham article %d unread before move"
|
|
article)
|
|
(gnus-summary-mark-article article gnus-unread-mark))
|
|
(when (and (eq classification 'spam)
|
|
(not copy))
|
|
(gnus-message 9 "Marking spam article %d expirable before move"
|
|
article)
|
|
(gnus-summary-mark-article article gnus-expirable-mark))
|
|
(gnus-summary-set-process-mark article)
|
|
|
|
(if respool ; respooling is with a "fake" group
|
|
(let ((spam-split-disabled
|
|
(or spam-split-disabled
|
|
(and (eq classification 'ham)
|
|
spam-disable-spam-split-during-ham-respool))))
|
|
(gnus-message 9 "Respooling article %d with method %s"
|
|
article respool-method)
|
|
(gnus-summary-respool-article nil respool-method))
|
|
(if (or (not backend-supports-deletions) ; else, we are not respooling
|
|
(> (length groups) 1))
|
|
(progn ; if copying, copy and set deletep
|
|
(gnus-message 9 "Copying article %d to group %s"
|
|
article group)
|
|
(gnus-summary-copy-article nil group)
|
|
(setq deletep t))
|
|
(gnus-message 9 "Moving article %d to group %s"
|
|
article group)
|
|
(gnus-summary-move-article nil group))))) ; else move articles
|
|
|
|
;; now delete the articles, unless a) copy is t, and there was a copy done
|
|
;; b) a move was done to a single group
|
|
;; c) backend-supports-deletions is nil
|
|
(unless copy
|
|
(when (and deletep backend-supports-deletions)
|
|
(dolist (article articles)
|
|
(gnus-summary-set-process-mark article)
|
|
(gnus-message 9 "Deleting article %d" article))
|
|
(when articles
|
|
(let ((gnus-novice-user nil)) ; don't ask me if I'm sure
|
|
(gnus-summary-delete-article nil)))))
|
|
|
|
(gnus-summary-yank-process-mark)
|
|
(length articles))))
|
|
|
|
(defun spam-copy-spam-routine (articles)
|
|
(spam-copy-or-move-routine
|
|
t
|
|
(gnus-parameter-spam-process-destination gnus-newsgroup-name)
|
|
articles
|
|
'spam))
|
|
|
|
(defun spam-move-spam-routine (articles)
|
|
(spam-copy-or-move-routine
|
|
nil
|
|
(gnus-parameter-spam-process-destination gnus-newsgroup-name)
|
|
articles
|
|
'spam))
|
|
|
|
(defun spam-copy-ham-routine (articles)
|
|
(spam-copy-or-move-routine
|
|
t
|
|
(gnus-parameter-ham-process-destination gnus-newsgroup-name)
|
|
articles
|
|
'ham))
|
|
|
|
(defun spam-move-ham-routine (articles)
|
|
(spam-copy-or-move-routine
|
|
nil
|
|
(gnus-parameter-ham-process-destination gnus-newsgroup-name)
|
|
articles
|
|
'ham))
|
|
|
|
;;}}}
|
|
|
|
;;{{{ article and field retrieval code
|
|
(defun spam-get-article-as-string (article)
|
|
(when (numberp article)
|
|
(with-temp-buffer
|
|
(gnus-request-article-this-buffer
|
|
article
|
|
gnus-newsgroup-name)
|
|
(buffer-string))))
|
|
|
|
;; disabled for now
|
|
;; (defun spam-get-article-as-filename (article)
|
|
;; (let ((article-filename))
|
|
;; (when (numberp article)
|
|
;; (nnml-possibly-change-directory
|
|
;; (gnus-group-real-name gnus-newsgroup-name))
|
|
;; (setq article-filename (expand-file-name
|
|
;; (int-to-string article) nnml-current-directory)))
|
|
;; (if (file-exists-p article-filename)
|
|
;; article-filename
|
|
;; nil)))
|
|
|
|
(defun spam-fetch-field-fast (article field &optional prepared-data-header)
|
|
"Fetch a FIELD for ARTICLE quickly, using the internal gnus-data-list function.
|
|
When PREPARED-DATA-HEADER is given, don't look in the Gnus data.
|
|
When FIELD is 'number, ARTICLE can be any number (since we want
|
|
to find it out)."
|
|
(when (numberp article)
|
|
(let* ((data-header (or prepared-data-header
|
|
(spam-fetch-article-header article))))
|
|
(if (arrayp data-header)
|
|
(cond
|
|
((equal field 'number)
|
|
(mail-header-number data-header))
|
|
((equal field 'from)
|
|
(mail-header-from data-header))
|
|
((equal field 'message-id)
|
|
(mail-header-message-id data-header))
|
|
((equal field 'subject)
|
|
(mail-header-subject data-header))
|
|
((equal field 'references)
|
|
(mail-header-references data-header))
|
|
((equal field 'date)
|
|
(mail-header-date data-header))
|
|
((equal field 'xref)
|
|
(mail-header-xref data-header))
|
|
((equal field 'extra)
|
|
(mail-header-extra data-header))
|
|
(t
|
|
(gnus-error
|
|
5
|
|
"spam-fetch-field-fast: unknown field %s requested"
|
|
field)
|
|
nil))
|
|
(gnus-message 6 "Article %d has a nil data header" article)))))
|
|
|
|
(defun spam-fetch-field-from-fast (article &optional prepared-data-header)
|
|
(spam-fetch-field-fast article 'from prepared-data-header))
|
|
|
|
(defun spam-fetch-field-subject-fast (article &optional prepared-data-header)
|
|
(spam-fetch-field-fast article 'subject prepared-data-header))
|
|
|
|
(defun spam-fetch-field-message-id-fast (article &optional prepared-data-header)
|
|
(spam-fetch-field-fast article 'message-id prepared-data-header))
|
|
|
|
(defun spam-generate-fake-headers (article)
|
|
(let ((dh (spam-fetch-article-header article)))
|
|
(if dh
|
|
(concat
|
|
(format
|
|
;; 80-character limit makes for strange constructs
|
|
(concat "From: %s\nSubject: %s\nMessage-ID: %s\n"
|
|
"Date: %s\nReferences: %s\nXref: %s\n")
|
|
(spam-fetch-field-fast article 'from dh)
|
|
(spam-fetch-field-fast article 'subject dh)
|
|
(spam-fetch-field-fast article 'message-id dh)
|
|
(spam-fetch-field-fast article 'date dh)
|
|
(spam-fetch-field-fast article 'references dh)
|
|
(spam-fetch-field-fast article 'xref dh))
|
|
(when (spam-fetch-field-fast article 'extra dh)
|
|
(format "%s\n" (spam-fetch-field-fast article 'extra dh))))
|
|
(gnus-message
|
|
5
|
|
"spam-generate-fake-headers: article %d didn't have a valid header"
|
|
article))))
|
|
|
|
(defun spam-fetch-article-header (article)
|
|
(save-excursion
|
|
(set-buffer gnus-summary-buffer)
|
|
(gnus-read-header article)
|
|
(nth 3 (assq article gnus-newsgroup-data))))
|
|
;;}}}
|
|
|
|
;;{{{ Spam determination.
|
|
|
|
(defun spam-split (&rest specific-checks)
|
|
"Split this message into the `spam' group if it is spam.
|
|
This function can be used as an entry in the variable `nnmail-split-fancy',
|
|
for example like this: (: spam-split). It can take checks as
|
|
parameters. A string as a parameter will set the
|
|
`spam-split-group' to that string.
|
|
|
|
See the Info node `(gnus)Fancy Mail Splitting' for more details."
|
|
(interactive)
|
|
(setq spam-split-last-successful-check nil)
|
|
(unless spam-split-disabled
|
|
(let ((spam-split-group-choice spam-split-group))
|
|
(dolist (check specific-checks)
|
|
(when (stringp check)
|
|
(setq spam-split-group-choice check)
|
|
(setq specific-checks (delq check specific-checks))))
|
|
|
|
(let ((spam-split-group spam-split-group-choice)
|
|
(widening-needed-check (spam-widening-needed-p specific-checks)))
|
|
(save-excursion
|
|
(save-restriction
|
|
(when widening-needed-check
|
|
(widen)
|
|
(gnus-message 8 "spam-split: widening the buffer (%s requires it)"
|
|
widening-needed-check))
|
|
(let ((backends (spam-backend-list))
|
|
decision)
|
|
(while (and backends (not decision))
|
|
(let* ((backend (pop backends))
|
|
(check-function (spam-backend-check backend))
|
|
(spam-split-group (if spam-split-symbolic-return
|
|
'spam
|
|
spam-split-group)))
|
|
(when (or
|
|
;; either, given specific checks, this is one of them
|
|
(memq backend specific-checks)
|
|
;; or, given no specific checks, spam-use-CHECK is set
|
|
(and (null specific-checks) (symbol-value backend)))
|
|
(gnus-message 6 "spam-split: calling the %s function"
|
|
check-function)
|
|
(setq decision (funcall check-function))
|
|
;; if we got a decision at all, save the current check
|
|
(when decision
|
|
(setq spam-split-last-successful-check backend))
|
|
|
|
(when (eq decision 'spam)
|
|
(unless spam-split-symbolic-return
|
|
(gnus-error
|
|
5
|
|
(format "spam-split got %s but %s is nil"
|
|
decision
|
|
spam-split-symbolic-return)))))))
|
|
(if (eq decision t)
|
|
(if spam-split-symbolic-return-positive 'ham nil)
|
|
decision))))))))
|
|
|
|
(defun spam-find-spam ()
|
|
"Detect spam in the current newsgroup using `spam-split'."
|
|
(interactive)
|
|
|
|
(let* ((group gnus-newsgroup-name)
|
|
(autodetect (gnus-parameter-spam-autodetect group))
|
|
(methods (gnus-parameter-spam-autodetect-methods group))
|
|
(first-method (nth 0 methods))
|
|
(articles (if spam-autodetect-recheck-messages
|
|
gnus-newsgroup-articles
|
|
gnus-newsgroup-unseen))
|
|
article-cannot-be-faked)
|
|
|
|
|
|
(dolist (backend methods)
|
|
(when (spam-backend-statistical-p backend)
|
|
(setq article-cannot-be-faked t)
|
|
(return)))
|
|
|
|
(when (memq 'default methods)
|
|
(setq article-cannot-be-faked t))
|
|
|
|
(when (and autodetect
|
|
(not (equal first-method 'none)))
|
|
(mapcar
|
|
(lambda (article)
|
|
(let ((id (spam-fetch-field-message-id-fast article))
|
|
(subject (spam-fetch-field-subject-fast article))
|
|
(sender (spam-fetch-field-from-fast article))
|
|
registry-lookup)
|
|
|
|
(unless id
|
|
(gnus-message 6 "Article %d has no message ID!" article))
|
|
|
|
(when (and id spam-log-to-registry)
|
|
(setq registry-lookup (spam-log-registration-type id 'incoming))
|
|
(when registry-lookup
|
|
(gnus-message
|
|
9
|
|
"spam-find-spam: message %s was already registered incoming"
|
|
id)))
|
|
|
|
(let* ((spam-split-symbolic-return t)
|
|
(spam-split-symbolic-return-positive t)
|
|
(fake-headers (spam-generate-fake-headers article))
|
|
(split-return
|
|
(or registry-lookup
|
|
(with-temp-buffer
|
|
(if article-cannot-be-faked
|
|
(gnus-request-article-this-buffer
|
|
article
|
|
group)
|
|
;; else, we fake the article
|
|
(when fake-headers (insert fake-headers)))
|
|
(if (or (null first-method)
|
|
(equal first-method 'default))
|
|
(spam-split)
|
|
(apply 'spam-split methods))))))
|
|
(if (equal split-return 'spam)
|
|
(gnus-summary-mark-article article gnus-spam-mark))
|
|
|
|
(when (and id split-return spam-log-to-registry)
|
|
(when (zerop (gnus-registry-group-count id))
|
|
(gnus-registry-add-group
|
|
id group subject sender))
|
|
|
|
(unless registry-lookup
|
|
(spam-log-processing-to-registry
|
|
id
|
|
'incoming
|
|
split-return
|
|
spam-split-last-successful-check
|
|
group))))))
|
|
articles))))
|
|
|
|
;;}}}
|
|
|
|
;;{{{ registration/unregistration functions
|
|
|
|
(defun spam-resolve-registrations-routine ()
|
|
"Go through the backends and register or unregister articles as needed."
|
|
(dolist (backend-type '(non-mover mover))
|
|
(dolist (classification (spam-classifications))
|
|
(dolist (backend (spam-backend-list backend-type))
|
|
(let ((rlist (spam-backend-get-article-todo-list
|
|
backend classification))
|
|
(ulist (spam-backend-get-article-todo-list
|
|
backend classification t))
|
|
(delcount 0))
|
|
|
|
;; clear the old lists right away
|
|
(spam-backend-put-article-todo-list backend
|
|
classification
|
|
nil
|
|
nil)
|
|
(spam-backend-put-article-todo-list backend
|
|
classification
|
|
nil
|
|
t)
|
|
|
|
;; eliminate duplicates
|
|
(dolist (article (copy-sequence ulist))
|
|
(when (memq article rlist)
|
|
(incf delcount)
|
|
(setq rlist (delq article rlist))
|
|
(setq ulist (delq article ulist))))
|
|
|
|
(unless (zerop delcount)
|
|
(gnus-message
|
|
9
|
|
"%d messages were saved the trouble of unregistering and then registering"
|
|
delcount))
|
|
|
|
;; unregister articles
|
|
(unless (zerop (length ulist))
|
|
(let ((num (spam-unregister-routine classification backend ulist)))
|
|
(when (> num 0)
|
|
(gnus-message
|
|
6
|
|
"%d %s messages were unregistered by backend %s."
|
|
num
|
|
classification
|
|
backend))))
|
|
|
|
;; register articles
|
|
(unless (zerop (length rlist))
|
|
(let ((num (spam-register-routine classification backend rlist)))
|
|
(when (> num 0)
|
|
(gnus-message
|
|
6
|
|
"%d %s messages were registered by backend %s."
|
|
num
|
|
classification
|
|
backend)))))))))
|
|
|
|
(defun spam-unregister-routine (classification
|
|
backend
|
|
specific-articles)
|
|
(spam-register-routine classification backend specific-articles t))
|
|
|
|
(defun spam-register-routine (classification
|
|
backend
|
|
specific-articles
|
|
&optional unregister)
|
|
(when (and (spam-classification-valid-p classification)
|
|
(spam-backend-valid-p backend))
|
|
(let* ((register-function
|
|
(spam-backend-function backend classification 'registration))
|
|
(unregister-function
|
|
(spam-backend-function backend classification 'unregistration))
|
|
(run-function (if unregister
|
|
unregister-function
|
|
register-function))
|
|
(log-function (if unregister
|
|
'spam-log-undo-registration
|
|
'spam-log-processing-to-registry))
|
|
article articles)
|
|
|
|
(when run-function
|
|
;; make list of articles, using specific-articles if given
|
|
(setq articles (or specific-articles
|
|
(spam-list-articles
|
|
gnus-newsgroup-articles
|
|
classification)))
|
|
;; process them
|
|
(when (> (length articles) 0)
|
|
(gnus-message 5 "%s %d %s articles as %s using backend %s"
|
|
(if unregister "Unregistering" "Registering")
|
|
(length articles)
|
|
(if specific-articles "specific" "")
|
|
classification
|
|
backend)
|
|
(funcall run-function articles)
|
|
;; now log all the registrations (or undo them, depending on
|
|
;; unregister)
|
|
(dolist (article articles)
|
|
(funcall log-function
|
|
(spam-fetch-field-message-id-fast article)
|
|
'process
|
|
classification
|
|
backend
|
|
gnus-newsgroup-name))))
|
|
;; return the number of articles processed
|
|
(length articles))))
|
|
|
|
;;; log a ham- or spam-processor invocation to the registry
|
|
(defun spam-log-processing-to-registry (id type classification backend group)
|
|
(when spam-log-to-registry
|
|
(if (and (stringp id)
|
|
(stringp group)
|
|
(spam-process-type-valid-p type)
|
|
(spam-classification-valid-p classification)
|
|
(spam-backend-valid-p backend))
|
|
(let ((cell-list (cdr-safe (gnus-registry-fetch-extra id type)))
|
|
(cell (list classification backend group)))
|
|
(push cell cell-list)
|
|
(gnus-registry-store-extra-entry
|
|
id
|
|
type
|
|
cell-list))
|
|
|
|
(gnus-error
|
|
7
|
|
(format "%s call with bad ID, type, classification, spam-backend, or group"
|
|
"spam-log-processing-to-registry")))))
|
|
|
|
;;; check if a ham- or spam-processor registration has been done
|
|
(defun spam-log-registered-p (id type)
|
|
(when spam-log-to-registry
|
|
(if (and (stringp id)
|
|
(spam-process-type-valid-p type))
|
|
(cdr-safe (gnus-registry-fetch-extra id type))
|
|
(progn
|
|
(gnus-error
|
|
7
|
|
(format "%s called with bad ID, type, classification, or spam-backend"
|
|
"spam-log-registered-p"))
|
|
nil))))
|
|
|
|
;;; check what a ham- or spam-processor registration says
|
|
;;; returns nil if conflicting registrations are found
|
|
(defun spam-log-registration-type (id type)
|
|
(let ((count 0)
|
|
decision)
|
|
(dolist (reg (spam-log-registered-p id type))
|
|
(let ((classification (nth 0 reg)))
|
|
(when (spam-classification-valid-p classification)
|
|
(when (and decision
|
|
(not (eq classification decision)))
|
|
(setq count (+ 1 count)))
|
|
(setq decision classification))))
|
|
(if (< 0 count)
|
|
nil
|
|
decision)))
|
|
|
|
|
|
;;; check if a ham- or spam-processor registration needs to be undone
|
|
(defun spam-log-unregistration-needed-p (id type classification backend)
|
|
(when spam-log-to-registry
|
|
(if (and (stringp id)
|
|
(spam-process-type-valid-p type)
|
|
(spam-classification-valid-p classification)
|
|
(spam-backend-valid-p backend))
|
|
(let ((cell-list (cdr-safe (gnus-registry-fetch-extra id type)))
|
|
found)
|
|
(dolist (cell cell-list)
|
|
(unless found
|
|
(when (and (eq classification (nth 0 cell))
|
|
(eq backend (nth 1 cell)))
|
|
(setq found t))))
|
|
found)
|
|
(progn
|
|
(gnus-error
|
|
7
|
|
(format "%s called with bad ID, type, classification, or spam-backend"
|
|
"spam-log-unregistration-needed-p"))
|
|
nil))))
|
|
|
|
|
|
;;; undo a ham- or spam-processor registration (the group is not used)
|
|
(defun spam-log-undo-registration (id type classification backend &optional group)
|
|
(when (and spam-log-to-registry
|
|
(spam-log-unregistration-needed-p id type classification backend))
|
|
(if (and (stringp id)
|
|
(spam-process-type-valid-p type)
|
|
(spam-classification-valid-p classification)
|
|
(spam-backend-valid-p backend))
|
|
(let ((cell-list (cdr-safe (gnus-registry-fetch-extra id type)))
|
|
new-cell-list found)
|
|
(dolist (cell cell-list)
|
|
(unless (and (eq classification (nth 0 cell))
|
|
(eq backend (nth 1 cell)))
|
|
(push cell new-cell-list)))
|
|
(gnus-registry-store-extra-entry
|
|
id
|
|
type
|
|
new-cell-list))
|
|
(progn
|
|
(gnus-error 7 (format "%s call with bad ID, type, spam-backend, or group"
|
|
"spam-log-undo-registration"))
|
|
nil))))
|
|
|
|
;;}}}
|
|
|
|
;;{{{ backend functions
|
|
|
|
;;{{{ Gmane xrefs
|
|
(defun spam-check-gmane-xref ()
|
|
(let ((header (or
|
|
(message-fetch-field "Xref")
|
|
(message-fetch-field "Newsgroups"))))
|
|
(when header ; return nil when no header
|
|
(when (string-match spam-gmane-xref-spam-group
|
|
header)
|
|
spam-split-group))))
|
|
|
|
;;}}}
|
|
|
|
;;{{{ Regex body
|
|
|
|
(defun spam-check-regex-body ()
|
|
(let ((spam-regex-headers-ham spam-regex-body-ham)
|
|
(spam-regex-headers-spam spam-regex-body-spam))
|
|
(spam-check-regex-headers t)))
|
|
|
|
;;}}}
|
|
|
|
;;{{{ Regex headers
|
|
|
|
(defun spam-check-regex-headers (&optional body)
|
|
(let ((type (if body "body" "header"))
|
|
ret found)
|
|
(dolist (h-regex spam-regex-headers-ham)
|
|
(unless found
|
|
(goto-char (point-min))
|
|
(when (re-search-forward h-regex nil t)
|
|
(message "Ham regex %s search positive." type)
|
|
(setq found t))))
|
|
(dolist (s-regex spam-regex-headers-spam)
|
|
(unless found
|
|
(goto-char (point-min))
|
|
(when (re-search-forward s-regex nil t)
|
|
(message "Spam regex %s search positive." type)
|
|
(setq found t)
|
|
(setq ret spam-split-group))))
|
|
ret))
|
|
|
|
;;}}}
|
|
|
|
;;{{{ Blackholes.
|
|
|
|
(defun spam-reverse-ip-string (ip)
|
|
(when (stringp ip)
|
|
(mapconcat 'identity
|
|
(nreverse (split-string ip "\\."))
|
|
".")))
|
|
|
|
(defun spam-check-blackholes ()
|
|
"Check the Received headers for blackholed relays."
|
|
(let ((headers (message-fetch-field "received"))
|
|
ips matches)
|
|
(when headers
|
|
(with-temp-buffer
|
|
(insert headers)
|
|
(goto-char (point-min))
|
|
(gnus-message 6 "Checking headers for relay addresses")
|
|
(while (re-search-forward
|
|
"\\([0-9]+\\.[0-9]+\\.[0-9]+\\.[0-9]+\\)" nil t)
|
|
(gnus-message 9 "Blackhole search found host IP %s." (match-string 1))
|
|
(push (spam-reverse-ip-string (match-string 1))
|
|
ips)))
|
|
(dolist (server spam-blackhole-servers)
|
|
(dolist (ip ips)
|
|
(unless (and spam-blackhole-good-server-regex
|
|
;; match the good-server-regex against the reversed (again) IP string
|
|
(string-match
|
|
spam-blackhole-good-server-regex
|
|
(spam-reverse-ip-string ip)))
|
|
(unless matches
|
|
(let ((query-string (concat ip "." server)))
|
|
(if spam-use-dig
|
|
(let ((query-result (query-dig query-string)))
|
|
(when query-result
|
|
(gnus-message 6 "(DIG): positive blackhole check '%s'"
|
|
query-result)
|
|
(push (list ip server query-result)
|
|
matches)))
|
|
;; else, if not using dig.el
|
|
(when (query-dns query-string)
|
|
(gnus-message 6 "positive blackhole check")
|
|
(push (list ip server (query-dns query-string 'TXT))
|
|
matches)))))))))
|
|
(when matches
|
|
spam-split-group)))
|
|
;;}}}
|
|
|
|
;;{{{ Hashcash.
|
|
|
|
(defun spam-check-hashcash ()
|
|
"Check the headers for hashcash payments."
|
|
(ignore-errors (mail-check-payment))) ;mail-check-payment returns a boolean
|
|
|
|
;;}}}
|
|
|
|
;;{{{ BBDB
|
|
|
|
;;; original idea for spam-check-BBDB from Alexander Kotelnikov
|
|
;;; <sacha@giotto.sj.ru>
|
|
|
|
;; all this is done inside a condition-case to trap errors
|
|
|
|
(eval-when-compile
|
|
(autoload 'bbdb-buffer "bbdb")
|
|
(autoload 'bbdb-create-internal "bbdb")
|
|
(autoload 'bbdb-search-simple "bbdb"))
|
|
|
|
;; Autoloaded in message, which we require.
|
|
(declare-function gnus-extract-address-components "gnus-util" (from))
|
|
|
|
(eval-and-compile
|
|
(when (condition-case nil
|
|
(progn
|
|
(require 'bbdb)
|
|
(require 'bbdb-com))
|
|
(file-error
|
|
;; `bbdb-records' should not be bound as an autoload function
|
|
;; before loading bbdb because of `bbdb-hashtable-size'.
|
|
(defalias 'bbdb-records 'ignore)
|
|
(defalias 'spam-BBDB-register-routine 'ignore)
|
|
(defalias 'spam-enter-ham-BBDB 'ignore)
|
|
nil))
|
|
|
|
;; when the BBDB changes, we want to clear out our cache
|
|
(defun spam-clear-cache-BBDB (&rest immaterial)
|
|
(spam-clear-cache 'spam-use-BBDB))
|
|
|
|
(add-hook 'bbdb-change-hook 'spam-clear-cache-BBDB)
|
|
|
|
(defun spam-enter-ham-BBDB (addresses &optional remove)
|
|
"Enter an address into the BBDB; implies ham (non-spam) sender"
|
|
(dolist (from addresses)
|
|
(when (stringp from)
|
|
(let* ((parsed-address (gnus-extract-address-components from))
|
|
(name (or (nth 0 parsed-address) "Ham Sender"))
|
|
(remove-function (if remove
|
|
'bbdb-delete-record-internal
|
|
'ignore))
|
|
(net-address (nth 1 parsed-address))
|
|
(record (and net-address
|
|
(bbdb-search-simple nil net-address))))
|
|
(when net-address
|
|
(gnus-message 6 "%s address %s %s BBDB"
|
|
(if remove "Deleting" "Adding")
|
|
from
|
|
(if remove "from" "to"))
|
|
(if record
|
|
(funcall remove-function record)
|
|
(bbdb-create-internal name nil net-address nil nil
|
|
"ham sender added by spam.el")))))))
|
|
|
|
(defun spam-BBDB-register-routine (articles &optional unregister)
|
|
(let (addresses)
|
|
(dolist (article articles)
|
|
(when (stringp (spam-fetch-field-from-fast article))
|
|
(push (spam-fetch-field-from-fast article) addresses)))
|
|
;; now do the register/unregister action
|
|
(spam-enter-ham-BBDB addresses unregister)))
|
|
|
|
(defun spam-BBDB-unregister-routine (articles)
|
|
(spam-BBDB-register-routine articles t))
|
|
|
|
(defun spam-check-BBDB ()
|
|
"Mail from people in the BBDB is classified as ham or non-spam"
|
|
(let ((who (message-fetch-field "from"))
|
|
bbdb-cache bbdb-hashtable)
|
|
(when spam-cache-lookups
|
|
(setq bbdb-cache (gethash 'spam-use-BBDB spam-caches))
|
|
(unless bbdb-cache
|
|
(setq bbdb-cache (make-vector 17 0)) ; a good starting hash value
|
|
;; this is based on the expanded (bbdb-hashtable) macro
|
|
;; without the debugging support
|
|
(with-current-buffer (bbdb-buffer)
|
|
(save-excursion
|
|
(save-window-excursion
|
|
(bbdb-records nil t)
|
|
(mapatoms
|
|
(lambda (symbol)
|
|
(intern (downcase (symbol-name symbol)) bbdb-cache))
|
|
bbdb-hashtable))))
|
|
(puthash 'spam-use-BBDB bbdb-cache spam-caches)))
|
|
(when who
|
|
(setq who (nth 1 (gnus-extract-address-components who)))
|
|
(if
|
|
(if spam-cache-lookups
|
|
(intern-soft (downcase who) bbdb-cache)
|
|
(bbdb-search-simple nil who))
|
|
t
|
|
(if spam-use-BBDB-exclusive
|
|
spam-split-group
|
|
nil)))))))
|
|
|
|
;;}}}
|
|
|
|
;;{{{ ifile
|
|
|
|
;;; check the ifile backend; return nil if the mail was NOT classified
|
|
;;; as spam
|
|
|
|
|
|
(defun spam-get-ifile-database-parameter ()
|
|
"Return the command-line parameter for ifile's database.
|
|
See `spam-ifile-database'."
|
|
(if spam-ifile-database
|
|
(format "--db-file=%s" spam-ifile-database)
|
|
nil))
|
|
|
|
(defun spam-check-ifile ()
|
|
"Check the ifile backend for the classification of this message."
|
|
(let ((article-buffer-name (buffer-name))
|
|
category return)
|
|
(with-temp-buffer
|
|
(let ((temp-buffer-name (buffer-name))
|
|
(db-param (spam-get-ifile-database-parameter)))
|
|
(save-excursion
|
|
(set-buffer article-buffer-name)
|
|
(apply 'call-process-region
|
|
(point-min) (point-max) spam-ifile-program
|
|
nil temp-buffer-name nil "-c"
|
|
(if db-param `(,db-param "-q") `("-q"))))
|
|
;; check the return now (we're back in the temp buffer)
|
|
(goto-char (point-min))
|
|
(if (not (eobp))
|
|
(setq category (buffer-substring (point) (point-at-eol))))
|
|
(when (not (zerop (length category))) ; we need a category here
|
|
(if spam-ifile-all-categories
|
|
(setq return category)
|
|
;; else, if spam-ifile-all-categories is not set...
|
|
(when (string-equal spam-ifile-spam-category category)
|
|
(setq return spam-split-group)))))) ; note return is nil otherwise
|
|
return))
|
|
|
|
(defun spam-ifile-register-with-ifile (articles category &optional unregister)
|
|
"Register an article, given as a string, with a category.
|
|
Uses `gnus-newsgroup-name' if category is nil (for ham registration)."
|
|
(let ((category (or category gnus-newsgroup-name))
|
|
(add-or-delete-option (if unregister "-d" "-i"))
|
|
(db (spam-get-ifile-database-parameter))
|
|
parameters)
|
|
(with-temp-buffer
|
|
(dolist (article articles)
|
|
(let ((article-string (spam-get-article-as-string article)))
|
|
(when (stringp article-string)
|
|
(insert article-string))))
|
|
(apply 'call-process-region
|
|
(point-min) (point-max) spam-ifile-program
|
|
nil nil nil
|
|
add-or-delete-option category
|
|
(if db `(,db "-h") `("-h"))))))
|
|
|
|
(defun spam-ifile-register-spam-routine (articles &optional unregister)
|
|
(spam-ifile-register-with-ifile articles spam-ifile-spam-category unregister))
|
|
|
|
(defun spam-ifile-unregister-spam-routine (articles)
|
|
(spam-ifile-register-spam-routine articles t))
|
|
|
|
(defun spam-ifile-register-ham-routine (articles &optional unregister)
|
|
(spam-ifile-register-with-ifile articles spam-ifile-ham-category unregister))
|
|
|
|
(defun spam-ifile-unregister-ham-routine (articles)
|
|
(spam-ifile-register-ham-routine articles t))
|
|
|
|
;;}}}
|
|
|
|
;;{{{ spam-stat
|
|
|
|
(eval-when-compile
|
|
(autoload 'spam-stat-buffer-change-to-non-spam "spam-stat")
|
|
(autoload 'spam-stat-buffer-change-to-spam "spam-stat")
|
|
(autoload 'spam-stat-buffer-is-non-spam "spam-stat")
|
|
(autoload 'spam-stat-buffer-is-spam "spam-stat")
|
|
(autoload 'spam-stat-load "spam-stat")
|
|
(autoload 'spam-stat-save "spam-stat")
|
|
(autoload 'spam-stat-split-fancy "spam-stat"))
|
|
|
|
(eval-and-compile
|
|
(when (condition-case nil
|
|
(let ((spam-stat-install-hooks nil))
|
|
(require 'spam-stat))
|
|
(file-error
|
|
(defalias 'spam-stat-register-ham-routine 'ignore)
|
|
(defalias 'spam-stat-register-spam-routine 'ignore)
|
|
nil))
|
|
|
|
(defun spam-check-stat ()
|
|
"Check the spam-stat backend for the classification of this message"
|
|
(let ((spam-stat-split-fancy-spam-group spam-split-group) ; override
|
|
(spam-stat-buffer (buffer-name)) ; stat the current buffer
|
|
category return)
|
|
(spam-stat-split-fancy)))
|
|
|
|
(defun spam-stat-register-spam-routine (articles &optional unregister)
|
|
(dolist (article articles)
|
|
(let ((article-string (spam-get-article-as-string article)))
|
|
(with-temp-buffer
|
|
(insert article-string)
|
|
(if unregister
|
|
(spam-stat-buffer-change-to-non-spam)
|
|
(spam-stat-buffer-is-spam))))))
|
|
|
|
(defun spam-stat-unregister-spam-routine (articles)
|
|
(spam-stat-register-spam-routine articles t))
|
|
|
|
(defun spam-stat-register-ham-routine (articles &optional unregister)
|
|
(dolist (article articles)
|
|
(let ((article-string (spam-get-article-as-string article)))
|
|
(with-temp-buffer
|
|
(insert article-string)
|
|
(if unregister
|
|
(spam-stat-buffer-change-to-spam)
|
|
(spam-stat-buffer-is-non-spam))))))
|
|
|
|
(defun spam-stat-unregister-ham-routine (articles)
|
|
(spam-stat-register-ham-routine articles t))
|
|
|
|
(defun spam-maybe-spam-stat-load ()
|
|
(when spam-use-stat (spam-stat-load)))
|
|
|
|
(defun spam-maybe-spam-stat-save ()
|
|
(when spam-use-stat (spam-stat-save)))))
|
|
|
|
;;}}}
|
|
|
|
;;{{{ Blacklists and whitelists.
|
|
|
|
(defvar spam-whitelist-cache nil)
|
|
(defvar spam-blacklist-cache nil)
|
|
|
|
(defun spam-kill-whole-line ()
|
|
(beginning-of-line)
|
|
(let ((kill-whole-line t))
|
|
(kill-line)))
|
|
|
|
;;; address can be a list, too
|
|
(defun spam-enter-whitelist (address &optional remove)
|
|
"Enter ADDRESS (list or single) into the whitelist.
|
|
With a non-nil REMOVE, remove them."
|
|
(interactive "sAddress: ")
|
|
(spam-enter-list address spam-whitelist remove)
|
|
(setq spam-whitelist-cache nil)
|
|
(spam-clear-cache 'spam-use-whitelist))
|
|
|
|
;;; address can be a list, too
|
|
(defun spam-enter-blacklist (address &optional remove)
|
|
"Enter ADDRESS (list or single) into the blacklist.
|
|
With a non-nil REMOVE, remove them."
|
|
(interactive "sAddress: ")
|
|
(spam-enter-list address spam-blacklist remove)
|
|
(setq spam-blacklist-cache nil)
|
|
(spam-clear-cache 'spam-use-whitelist))
|
|
|
|
(defun spam-enter-list (addresses file &optional remove)
|
|
"Enter ADDRESSES into the given FILE.
|
|
Either the whitelist or the blacklist files can be used.
|
|
With a non-nil REMOVE, remove the ADDRESSES."
|
|
(if (stringp addresses)
|
|
(spam-enter-list (list addresses) file remove)
|
|
;; else, we have a list of addresses here
|
|
(unless (file-exists-p (file-name-directory file))
|
|
(make-directory (file-name-directory file) t))
|
|
(save-excursion
|
|
(set-buffer
|
|
(find-file-noselect file))
|
|
(dolist (a addresses)
|
|
(when (stringp a)
|
|
(goto-char (point-min))
|
|
(if (re-search-forward (regexp-quote a) nil t)
|
|
;; found the address
|
|
(when remove
|
|
(spam-kill-whole-line))
|
|
;; else, the address was not found
|
|
(unless remove
|
|
(goto-char (point-max))
|
|
(unless (bobp)
|
|
(insert "\n"))
|
|
(insert a "\n")))))
|
|
(save-buffer))))
|
|
|
|
(defun spam-filelist-build-cache (type)
|
|
(let ((cache (if (eq type 'spam-use-blacklist)
|
|
spam-blacklist-cache
|
|
spam-whitelist-cache))
|
|
parsed-cache)
|
|
(unless (gethash type spam-caches)
|
|
(while cache
|
|
(let ((address (pop cache)))
|
|
(unless (zerop (length address)) ; 0 for a nil address too
|
|
(setq address (regexp-quote address))
|
|
;; fix regexp-quote's treatment of user-intended regexes
|
|
(while (string-match "\\\\\\*" address)
|
|
(setq address (replace-match ".*" t t address))))
|
|
(push address parsed-cache)))
|
|
(puthash type parsed-cache spam-caches))))
|
|
|
|
(defun spam-filelist-check-cache (type from)
|
|
(when (stringp from)
|
|
(spam-filelist-build-cache type)
|
|
(let (found)
|
|
(dolist (address (gethash type spam-caches))
|
|
(when (and address (string-match address from))
|
|
(setq found t)
|
|
(return)))
|
|
found)))
|
|
|
|
;;; returns t if the sender is in the whitelist, nil or
|
|
;;; spam-split-group otherwise
|
|
(defun spam-check-whitelist ()
|
|
;; FIXME! Should it detect when file timestamps change?
|
|
(unless spam-whitelist-cache
|
|
(setq spam-whitelist-cache (spam-parse-list spam-whitelist)))
|
|
(if (spam-from-listed-p 'spam-use-whitelist)
|
|
t
|
|
(if spam-use-whitelist-exclusive
|
|
spam-split-group
|
|
nil)))
|
|
|
|
(defun spam-check-blacklist ()
|
|
;; FIXME! Should it detect when file timestamps change?
|
|
(unless spam-blacklist-cache
|
|
(setq spam-blacklist-cache (spam-parse-list spam-blacklist)))
|
|
(and (spam-from-listed-p 'spam-use-blacklist)
|
|
spam-split-group))
|
|
|
|
(defun spam-parse-list (file)
|
|
(when (file-readable-p file)
|
|
(let (contents address)
|
|
(with-temp-buffer
|
|
(insert-file-contents file)
|
|
(while (not (eobp))
|
|
(setq address (buffer-substring (point) (point-at-eol)))
|
|
(forward-line 1)
|
|
;; insert the e-mail address if detected, otherwise the raw data
|
|
(unless (zerop (length address))
|
|
(let ((pure-address (nth 1 (gnus-extract-address-components address))))
|
|
(push (or pure-address address) contents)))))
|
|
(nreverse contents))))
|
|
|
|
(defun spam-from-listed-p (type)
|
|
(let ((from (message-fetch-field "from"))
|
|
found)
|
|
(spam-filelist-check-cache type from)))
|
|
|
|
(defun spam-filelist-register-routine (articles blacklist &optional unregister)
|
|
(let ((de-symbol (if blacklist 'spam-use-whitelist 'spam-use-blacklist))
|
|
(declassification (if blacklist 'ham 'spam))
|
|
(enter-function
|
|
(if blacklist 'spam-enter-blacklist 'spam-enter-whitelist))
|
|
(remove-function
|
|
(if blacklist 'spam-enter-whitelist 'spam-enter-blacklist))
|
|
from addresses unregister-list article-unregister-list)
|
|
(dolist (article articles)
|
|
(let ((from (spam-fetch-field-from-fast article))
|
|
(id (spam-fetch-field-message-id-fast article))
|
|
sender-ignored)
|
|
(when (stringp from)
|
|
(dolist (ignore-regex spam-blacklist-ignored-regexes)
|
|
(when (and (not sender-ignored)
|
|
(stringp ignore-regex)
|
|
(string-match ignore-regex from))
|
|
(setq sender-ignored t)))
|
|
;; remember the messages we need to unregister, unless remove is set
|
|
(when (and
|
|
(null unregister)
|
|
(spam-log-unregistration-needed-p
|
|
id 'process declassification de-symbol))
|
|
(push article article-unregister-list)
|
|
(push from unregister-list))
|
|
(unless sender-ignored
|
|
(push from addresses)))))
|
|
|
|
(if unregister
|
|
(funcall enter-function addresses t) ; unregister all these addresses
|
|
;; else, register normally and unregister what we need to
|
|
(funcall remove-function unregister-list t)
|
|
(dolist (article article-unregister-list)
|
|
(spam-log-undo-registration
|
|
(spam-fetch-field-message-id-fast article)
|
|
'process
|
|
declassification
|
|
de-symbol))
|
|
(funcall enter-function addresses nil))))
|
|
|
|
(defun spam-blacklist-unregister-routine (articles)
|
|
(spam-blacklist-register-routine articles t))
|
|
|
|
(defun spam-blacklist-register-routine (articles &optional unregister)
|
|
(spam-filelist-register-routine articles t unregister))
|
|
|
|
(defun spam-whitelist-unregister-routine (articles)
|
|
(spam-whitelist-register-routine articles t))
|
|
|
|
(defun spam-whitelist-register-routine (articles &optional unregister)
|
|
(spam-filelist-register-routine articles nil unregister))
|
|
|
|
;;}}}
|
|
|
|
;;{{{ Spam-report glue (gmane and resend reporting)
|
|
(defun spam-report-gmane-register-routine (articles)
|
|
(when articles
|
|
(apply 'spam-report-gmane-spam articles)))
|
|
|
|
(defun spam-report-gmane-unregister-routine (articles)
|
|
(when articles
|
|
(apply 'spam-report-gmane-ham articles)))
|
|
|
|
(defun spam-report-resend-register-ham-routine (articles)
|
|
(spam-report-resend-register-routine articles t))
|
|
|
|
(defun spam-report-resend-register-routine (articles &optional ham)
|
|
(let* ((resend-to-gp
|
|
(if ham
|
|
(gnus-parameter-ham-resend-to gnus-newsgroup-name)
|
|
(gnus-parameter-spam-resend-to gnus-newsgroup-name)))
|
|
(spam-report-resend-to (or (car-safe resend-to-gp)
|
|
spam-report-resend-to)))
|
|
(spam-report-resend articles ham)))
|
|
|
|
;;}}}
|
|
|
|
;;{{{ Bogofilter
|
|
(defun spam-check-bogofilter-headers (&optional score)
|
|
(let ((header (message-fetch-field spam-bogofilter-header)))
|
|
(when header ; return nil when no header
|
|
(if score ; scoring mode
|
|
(if (string-match "spamicity=\\([0-9.]+\\)" header)
|
|
(match-string 1 header)
|
|
"0")
|
|
;; spam detection mode
|
|
(when (string-match spam-bogofilter-bogosity-positive-spam-header
|
|
header)
|
|
spam-split-group)))))
|
|
|
|
;; return something sensible if the score can't be determined
|
|
(defun spam-bogofilter-score (&optional recheck)
|
|
"Get the Bogofilter spamicity score."
|
|
(interactive "P")
|
|
(save-window-excursion
|
|
(gnus-summary-show-article t)
|
|
(set-buffer gnus-article-buffer)
|
|
(let ((score (or (unless recheck
|
|
(spam-check-bogofilter-headers t))
|
|
(spam-check-bogofilter t))))
|
|
(gnus-summary-show-article)
|
|
(message "Spamicity score %s" score)
|
|
(or score "0"))))
|
|
|
|
(defun spam-verify-bogofilter ()
|
|
"Verify the Bogofilter version is sufficient."
|
|
(when (eq spam-bogofilter-valid 'unknown)
|
|
(setq spam-bogofilter-valid
|
|
(not (string-match "^bogofilter version 0\\.\\([0-9]\\|1[01]\\)\\."
|
|
(shell-command-to-string
|
|
(format "%s -V" spam-bogofilter-program))))))
|
|
spam-bogofilter-valid)
|
|
|
|
(defun spam-check-bogofilter (&optional score)
|
|
"Check the Bogofilter backend for the classification of this message."
|
|
(if (spam-verify-bogofilter)
|
|
(let ((article-buffer-name (buffer-name))
|
|
(db spam-bogofilter-database-directory)
|
|
return)
|
|
(with-temp-buffer
|
|
(let ((temp-buffer-name (buffer-name)))
|
|
(save-excursion
|
|
(set-buffer article-buffer-name)
|
|
(apply 'call-process-region
|
|
(point-min) (point-max)
|
|
spam-bogofilter-program
|
|
nil temp-buffer-name nil
|
|
(if db `("-d" ,db "-v") `("-v"))))
|
|
(setq return (spam-check-bogofilter-headers score))))
|
|
return)
|
|
(gnus-error 5 "`spam.el' doesn't support obsolete bogofilter versions")))
|
|
|
|
(defun spam-bogofilter-register-with-bogofilter (articles
|
|
spam
|
|
&optional unregister)
|
|
"Register an article, given as a string, as spam or non-spam."
|
|
(if (spam-verify-bogofilter)
|
|
(dolist (article articles)
|
|
(let ((article-string (spam-get-article-as-string article))
|
|
(db spam-bogofilter-database-directory)
|
|
(switch (if unregister
|
|
(if spam
|
|
spam-bogofilter-spam-strong-switch
|
|
spam-bogofilter-ham-strong-switch)
|
|
(if spam
|
|
spam-bogofilter-spam-switch
|
|
spam-bogofilter-ham-switch))))
|
|
(when (stringp article-string)
|
|
(with-temp-buffer
|
|
(insert article-string)
|
|
|
|
(apply 'call-process-region
|
|
(point-min) (point-max)
|
|
spam-bogofilter-program
|
|
nil nil nil switch
|
|
(if db `("-d" ,db "-v") `("-v")))))))
|
|
(gnus-error 5 "`spam.el' doesn't support obsolete bogofilter versions")))
|
|
|
|
(defun spam-bogofilter-register-spam-routine (articles &optional unregister)
|
|
(spam-bogofilter-register-with-bogofilter articles t unregister))
|
|
|
|
(defun spam-bogofilter-unregister-spam-routine (articles)
|
|
(spam-bogofilter-register-spam-routine articles t))
|
|
|
|
(defun spam-bogofilter-register-ham-routine (articles &optional unregister)
|
|
(spam-bogofilter-register-with-bogofilter articles nil unregister))
|
|
|
|
(defun spam-bogofilter-unregister-ham-routine (articles)
|
|
(spam-bogofilter-register-ham-routine articles t))
|
|
|
|
|
|
;;}}}
|
|
|
|
;;{{{ spamoracle
|
|
(defun spam-check-spamoracle ()
|
|
"Run spamoracle on an article to determine whether it's spam."
|
|
(let ((article-buffer-name (buffer-name)))
|
|
(with-temp-buffer
|
|
(let ((temp-buffer-name (buffer-name)))
|
|
(save-excursion
|
|
(set-buffer article-buffer-name)
|
|
(let ((status
|
|
(apply 'call-process-region
|
|
(point-min) (point-max)
|
|
spam-spamoracle-binary
|
|
nil temp-buffer-name nil
|
|
(if spam-spamoracle-database
|
|
`("-f" ,spam-spamoracle-database "mark")
|
|
'("mark")))))
|
|
(if (eq 0 status)
|
|
(progn
|
|
(set-buffer temp-buffer-name)
|
|
(goto-char (point-min))
|
|
(when (re-search-forward "^X-Spam: yes;" nil t)
|
|
spam-split-group))
|
|
(error "Error running spamoracle: %s" status))))))))
|
|
|
|
(defun spam-spamoracle-learn (articles article-is-spam-p &optional unregister)
|
|
"Run spamoracle in training mode."
|
|
(with-temp-buffer
|
|
(let ((temp-buffer-name (buffer-name)))
|
|
(save-excursion
|
|
(goto-char (point-min))
|
|
(dolist (article articles)
|
|
(insert (spam-get-article-as-string article)))
|
|
(let* ((arg (if (spam-xor unregister article-is-spam-p)
|
|
"-spam"
|
|
"-good"))
|
|
(status
|
|
(apply 'call-process-region
|
|
(point-min) (point-max)
|
|
spam-spamoracle-binary
|
|
nil temp-buffer-name nil
|
|
(if spam-spamoracle-database
|
|
`("-f" ,spam-spamoracle-database
|
|
"add" ,arg)
|
|
`("add" ,arg)))))
|
|
(unless (eq 0 status)
|
|
(error "Error running spamoracle: %s" status)))))))
|
|
|
|
(defun spam-spamoracle-learn-ham (articles &optional unregister)
|
|
(spam-spamoracle-learn articles nil unregister))
|
|
|
|
(defun spam-spamoracle-unlearn-ham (articles &optional unregister)
|
|
(spam-spamoracle-learn-ham articles t))
|
|
|
|
(defun spam-spamoracle-learn-spam (articles &optional unregister)
|
|
(spam-spamoracle-learn articles t unregister))
|
|
|
|
(defun spam-spamoracle-unlearn-spam (articles &optional unregister)
|
|
(spam-spamoracle-learn-spam articles t))
|
|
|
|
;;}}}
|
|
|
|
;;{{{ SpamAssassin
|
|
;;; based mostly on the bogofilter code
|
|
(defun spam-check-spamassassin-headers (&optional score)
|
|
"Check the SpamAssassin headers for the classification of this message."
|
|
(if score ; scoring mode
|
|
(let ((header (message-fetch-field spam-spamassassin-spam-status-header)))
|
|
(when header
|
|
(if (string-match spam-spamassassin-score-regexp header)
|
|
(match-string 1 header)
|
|
"0")))
|
|
;; spam detection mode
|
|
(let ((header (message-fetch-field spam-spamassassin-spam-flag-header)))
|
|
(when header ; return nil when no header
|
|
(when (string-match spam-spamassassin-positive-spam-flag-header
|
|
header)
|
|
spam-split-group)))))
|
|
|
|
(defun spam-check-spamassassin (&optional score)
|
|
"Check the SpamAssassin backend for the classification of this message."
|
|
(let ((article-buffer-name (buffer-name)))
|
|
(with-temp-buffer
|
|
(let ((temp-buffer-name (buffer-name)))
|
|
(save-excursion
|
|
(set-buffer article-buffer-name)
|
|
(apply 'call-process-region
|
|
(point-min) (point-max) spam-assassin-program
|
|
nil temp-buffer-name nil spam-spamassassin-arguments))
|
|
;; check the return now (we're back in the temp buffer)
|
|
(goto-char (point-min))
|
|
(spam-check-spamassassin-headers score)))))
|
|
|
|
;; return something sensible if the score can't be determined
|
|
(defun spam-spamassassin-score (&optional recheck)
|
|
"Get the SpamAssassin score"
|
|
(interactive "P")
|
|
(save-window-excursion
|
|
(gnus-summary-show-article t)
|
|
(set-buffer gnus-article-buffer)
|
|
(let ((score (or (unless recheck
|
|
(spam-check-spamassassin-headers t))
|
|
(spam-check-spamassassin t))))
|
|
(gnus-summary-show-article)
|
|
(message "SpamAssassin score %s" score)
|
|
(or score "0"))))
|
|
|
|
(defun spam-spamassassin-register-with-sa-learn (articles spam
|
|
&optional unregister)
|
|
"Register articles with spamassassin's sa-learn as spam or non-spam."
|
|
(if articles
|
|
(let ((action (if unregister spam-sa-learn-unregister-switch
|
|
(if spam spam-sa-learn-spam-switch
|
|
spam-sa-learn-ham-switch)))
|
|
(summary-buffer-name (buffer-name)))
|
|
(with-temp-buffer
|
|
;; group the articles into mbox format
|
|
(dolist (article articles)
|
|
(let (article-string)
|
|
(save-excursion
|
|
(set-buffer summary-buffer-name)
|
|
(setq article-string (spam-get-article-as-string article)))
|
|
(when (stringp article-string)
|
|
(insert "From \n") ; mbox separator (sa-learn only checks the
|
|
; first five chars, so we can get away with
|
|
; a bogus line))
|
|
(insert article-string)
|
|
(insert "\n"))))
|
|
;; call sa-learn on all messages at the same time
|
|
(apply 'call-process-region
|
|
(point-min) (point-max)
|
|
spam-sa-learn-program
|
|
nil nil nil "--mbox"
|
|
(if spam-sa-learn-rebuild
|
|
(list action)
|
|
`("--no-rebuild" ,action)))))))
|
|
|
|
(defun spam-spamassassin-register-spam-routine (articles &optional unregister)
|
|
(spam-spamassassin-register-with-sa-learn articles t unregister))
|
|
|
|
(defun spam-spamassassin-register-ham-routine (articles &optional unregister)
|
|
(spam-spamassassin-register-with-sa-learn articles nil unregister))
|
|
|
|
(defun spam-spamassassin-unregister-spam-routine (articles)
|
|
(spam-spamassassin-register-with-sa-learn articles t t))
|
|
|
|
(defun spam-spamassassin-unregister-ham-routine (articles)
|
|
(spam-spamassassin-register-with-sa-learn articles nil t))
|
|
|
|
;;}}}
|
|
|
|
;;{{{ Bsfilter
|
|
;;; based mostly on the bogofilter code
|
|
(defun spam-check-bsfilter-headers (&optional score)
|
|
(if score
|
|
(or (nnmail-fetch-field spam-bsfilter-probability-header)
|
|
"0")
|
|
(let ((header (nnmail-fetch-field spam-bsfilter-header)))
|
|
(when header ; return nil when no header
|
|
(when (string-match "YES" header)
|
|
spam-split-group)))))
|
|
|
|
;; return something sensible if the score can't be determined
|
|
(defun spam-bsfilter-score (&optional recheck)
|
|
"Get the Bsfilter spamicity score."
|
|
(interactive "P")
|
|
(save-window-excursion
|
|
(gnus-summary-show-article t)
|
|
(set-buffer gnus-article-buffer)
|
|
(let ((score (or (unless recheck
|
|
(spam-check-bsfilter-headers t))
|
|
(spam-check-bsfilter t))))
|
|
(gnus-summary-show-article)
|
|
(message "Spamicity score %s" score)
|
|
(or score "0"))))
|
|
|
|
(defun spam-check-bsfilter (&optional score)
|
|
"Check the Bsfilter backend for the classification of this message."
|
|
(let ((article-buffer-name (buffer-name))
|
|
(dir spam-bsfilter-database-directory)
|
|
return)
|
|
(with-temp-buffer
|
|
(let ((temp-buffer-name (buffer-name)))
|
|
(save-excursion
|
|
(set-buffer article-buffer-name)
|
|
(apply 'call-process-region
|
|
(point-min) (point-max)
|
|
spam-bsfilter-program
|
|
nil temp-buffer-name nil
|
|
"--pipe"
|
|
"--insert-flag"
|
|
"--insert-probability"
|
|
(when dir
|
|
(list "--homedir" dir))))
|
|
(setq return (spam-check-bsfilter-headers score))))
|
|
return))
|
|
|
|
(defun spam-bsfilter-register-with-bsfilter (articles
|
|
spam
|
|
&optional unregister)
|
|
"Register an article, given as a string, as spam or non-spam."
|
|
(dolist (article articles)
|
|
(let ((article-string (spam-get-article-as-string article))
|
|
(switch (if unregister
|
|
(if spam
|
|
spam-bsfilter-spam-strong-switch
|
|
spam-bsfilter-ham-strong-switch)
|
|
(if spam
|
|
spam-bsfilter-spam-switch
|
|
spam-bsfilter-ham-switch))))
|
|
(when (stringp article-string)
|
|
(with-temp-buffer
|
|
(insert article-string)
|
|
(apply 'call-process-region
|
|
(point-min) (point-max)
|
|
spam-bsfilter-program
|
|
nil nil nil switch
|
|
"--update"
|
|
(when spam-bsfilter-database-directory
|
|
(list "--homedir"
|
|
spam-bsfilter-database-directory))))))))
|
|
|
|
(defun spam-bsfilter-register-spam-routine (articles &optional unregister)
|
|
(spam-bsfilter-register-with-bsfilter articles t unregister))
|
|
|
|
(defun spam-bsfilter-unregister-spam-routine (articles)
|
|
(spam-bsfilter-register-spam-routine articles t))
|
|
|
|
(defun spam-bsfilter-register-ham-routine (articles &optional unregister)
|
|
(spam-bsfilter-register-with-bsfilter articles nil unregister))
|
|
|
|
(defun spam-bsfilter-unregister-ham-routine (articles)
|
|
(spam-bsfilter-register-ham-routine articles t))
|
|
|
|
;;}}}
|
|
|
|
;;{{{ CRM114 Mailfilter
|
|
(defun spam-check-crm114-headers (&optional score)
|
|
(let ((header (message-fetch-field spam-crm114-header)))
|
|
(when header ; return nil when no header
|
|
(if score ; scoring mode
|
|
(if (string-match "( pR: \\([0-9.-]+\\)" header)
|
|
(match-string 1 header)
|
|
"0")
|
|
;; spam detection mode
|
|
(when (string-match spam-crm114-positive-spam-header
|
|
header)
|
|
spam-split-group)))))
|
|
|
|
;; return something sensible if the score can't be determined
|
|
(defun spam-crm114-score ()
|
|
"Get the CRM114 Mailfilter pR."
|
|
(interactive)
|
|
(save-window-excursion
|
|
(gnus-summary-show-article t)
|
|
(set-buffer gnus-article-buffer)
|
|
(let ((score (or (spam-check-crm114-headers t)
|
|
(spam-check-crm114 t))))
|
|
(gnus-summary-show-article)
|
|
(message "pR: %s" score)
|
|
(or score "0"))))
|
|
|
|
(defun spam-check-crm114 (&optional score)
|
|
"Check the CRM114 Mailfilter backend for the classification of this message."
|
|
(let ((article-buffer-name (buffer-name))
|
|
(db spam-crm114-database-directory)
|
|
return)
|
|
(with-temp-buffer
|
|
(let ((temp-buffer-name (buffer-name)))
|
|
(save-excursion
|
|
(set-buffer article-buffer-name)
|
|
(apply 'call-process-region
|
|
(point-min) (point-max)
|
|
spam-crm114-program
|
|
nil temp-buffer-name nil
|
|
(when db (list (concat "--fileprefix=" db)))))
|
|
(setq return (spam-check-crm114-headers score))))
|
|
return))
|
|
|
|
(defun spam-crm114-register-with-crm114 (articles
|
|
spam
|
|
&optional unregister)
|
|
"Register an article, given as a string, as spam or non-spam."
|
|
(dolist (article articles)
|
|
(let ((article-string (spam-get-article-as-string article))
|
|
(db spam-crm114-database-directory)
|
|
(switch (if unregister
|
|
(if spam
|
|
spam-crm114-spam-strong-switch
|
|
spam-crm114-ham-strong-switch)
|
|
(if spam
|
|
spam-crm114-spam-switch
|
|
spam-crm114-ham-switch))))
|
|
(when (stringp article-string)
|
|
(with-temp-buffer
|
|
(insert article-string)
|
|
|
|
(apply 'call-process-region
|
|
(point-min) (point-max)
|
|
spam-crm114-program
|
|
nil nil nil
|
|
(when db (list switch (concat "--fileprefix=" db)))))))))
|
|
|
|
(defun spam-crm114-register-spam-routine (articles &optional unregister)
|
|
(spam-crm114-register-with-crm114 articles t unregister))
|
|
|
|
(defun spam-crm114-unregister-spam-routine (articles)
|
|
(spam-crm114-register-spam-routine articles t))
|
|
|
|
(defun spam-crm114-register-ham-routine (articles &optional unregister)
|
|
(spam-crm114-register-with-crm114 articles nil unregister))
|
|
|
|
(defun spam-crm114-unregister-ham-routine (articles)
|
|
(spam-crm114-register-ham-routine articles t))
|
|
|
|
;;}}}
|
|
|
|
;;}}}
|
|
|
|
;;{{{ Hooks
|
|
|
|
;;;###autoload
|
|
(defun spam-initialize (&rest symbols)
|
|
"Install the spam.el hooks and do other initialization.
|
|
When SYMBOLS is given, set those variables to t. This is so you
|
|
can call `spam-initialize' before you set spam-use-* variables on
|
|
explicitly, and matters only if you need the extra headers
|
|
installed through `spam-necessary-extra-headers'."
|
|
(interactive)
|
|
|
|
(dolist (var symbols)
|
|
(set var t))
|
|
|
|
(dolist (header (spam-necessary-extra-headers))
|
|
(add-to-list 'nnmail-extra-headers header)
|
|
(add-to-list 'gnus-extra-headers header))
|
|
|
|
(setq spam-install-hooks t)
|
|
;; TODO: How do we redo this every time the `spam' face is customized?
|
|
(push '((eq mark gnus-spam-mark) . spam)
|
|
gnus-summary-highlight)
|
|
;; Add hooks for loading and saving the spam stats
|
|
(add-hook 'gnus-save-newsrc-hook 'spam-maybe-spam-stat-save)
|
|
(add-hook 'gnus-get-top-new-news-hook 'spam-maybe-spam-stat-load)
|
|
(add-hook 'gnus-startup-hook 'spam-maybe-spam-stat-load)
|
|
(add-hook 'gnus-summary-prepare-exit-hook 'spam-summary-prepare-exit)
|
|
(add-hook 'gnus-summary-prepare-hook 'spam-summary-prepare)
|
|
(add-hook 'gnus-get-new-news-hook 'spam-setup-widening)
|
|
(add-hook 'gnus-summary-prepared-hook 'spam-find-spam))
|
|
|
|
(defun spam-unload-hook ()
|
|
"Uninstall the spam.el hooks."
|
|
(interactive)
|
|
(remove-hook 'gnus-save-newsrc-hook 'spam-maybe-spam-stat-save)
|
|
(remove-hook 'gnus-get-top-new-news-hook 'spam-maybe-spam-stat-load)
|
|
(remove-hook 'gnus-startup-hook 'spam-maybe-spam-stat-load)
|
|
(remove-hook 'gnus-summary-prepare-exit-hook 'spam-summary-prepare-exit)
|
|
(remove-hook 'gnus-summary-prepare-hook 'spam-summary-prepare)
|
|
(remove-hook 'gnus-get-new-news-hook 'spam-setup-widening)
|
|
(remove-hook 'gnus-summary-prepare-hook 'spam-find-spam))
|
|
|
|
(add-hook 'spam-unload-hook 'spam-unload-hook)
|
|
|
|
(when spam-install-hooks
|
|
(spam-initialize))
|
|
;;}}}
|
|
|
|
(provide 'spam)
|
|
|
|
;;; arch-tag: 07e6e0ca-ab0a-4412-b445-1f6c72a4f27f
|
|
;;; spam.el ends here
|