mirror of
https://kernel.googlesource.com/pub/scm/linux/kernel/git/tglx/remail.git
synced 2024-11-21 11:52:38 +01:00
remail: Initial import
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Thomas Gleixner
commit
60f6698e52
48 changed files with 5299 additions and 0 deletions
24
.gitignore
vendored
Normal file
24
.gitignore
vendored
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|
|
@ -0,0 +1,24 @@
|
|||
# Normal rules
|
||||
*.bz2
|
||||
*.diff
|
||||
*.gz
|
||||
*.patch
|
||||
*.orig
|
||||
*.rej
|
||||
*.tar
|
||||
*.xz
|
||||
|
||||
# Editor artifacts
|
||||
*~
|
||||
\#*#
|
||||
|
||||
# Quilt's files
|
||||
patches
|
||||
series
|
||||
.pc/
|
||||
|
||||
# Python artifacts
|
||||
*.pyc
|
||||
|
||||
# Documentation artifacts
|
||||
Documentation/output/
|
||||
14
COPYING
Normal file
14
COPYING
Normal file
|
|
@ -0,0 +1,14 @@
|
|||
remail is provided under:
|
||||
|
||||
SPDX-License-Identifier: GPL-2.0-only
|
||||
|
||||
Being under the terms of the GNU General Public License version 2 only,
|
||||
according with:
|
||||
|
||||
LICENSES/GPL-2.0
|
||||
|
||||
In addition, other licenses may also apply. Please see:
|
||||
|
||||
Documentation/license-rules.rst
|
||||
|
||||
for more details.
|
||||
20
Documentation/Makefile
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20
Documentation/Makefile
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|
@ -0,0 +1,20 @@
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|||
# Minimal makefile for Sphinx documentation
|
||||
#
|
||||
|
||||
# You can set these variables from the command line.
|
||||
SPHINXOPTS =
|
||||
SPHINXBUILD = sphinx-build
|
||||
SPHINXPROJ = remail
|
||||
SOURCEDIR = .
|
||||
BUILDDIR = output
|
||||
|
||||
# Put it first so that "make" without argument is like "make help".
|
||||
help:
|
||||
@$(SPHINXBUILD) -M help "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O)
|
||||
|
||||
.PHONY: help Makefile
|
||||
|
||||
# Catch-all target: route all unknown targets to Sphinx using the new
|
||||
# "make mode" option. $(O) is meant as a shortcut for $(SPHINXOPTS).
|
||||
%: Makefile
|
||||
@$(SPHINXBUILD) -M $@ "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O)
|
||||
163
Documentation/conf.py
Normal file
163
Documentation/conf.py
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|
|
@ -0,0 +1,163 @@
|
|||
# -*- coding: utf-8 -*-
|
||||
#
|
||||
# remail documentation build configuration file, created by
|
||||
# sphinx-quickstart on Tue May 15 16:12:59 2018.
|
||||
#
|
||||
# This file is execfile()d with the current directory set to its
|
||||
# containing dir.
|
||||
#
|
||||
# Note that not all possible configuration values are present in this
|
||||
# autogenerated file.
|
||||
#
|
||||
# All configuration values have a default; values that are commented out
|
||||
# serve to show the default.
|
||||
|
||||
# If extensions (or modules to document with autodoc) are in another directory,
|
||||
# add these directories to sys.path here. If the directory is relative to the
|
||||
# documentation root, use os.path.abspath to make it absolute, like shown here.
|
||||
#
|
||||
# import os
|
||||
# import sys
|
||||
# sys.path.insert(0, os.path.abspath('.'))
|
||||
import glob
|
||||
|
||||
|
||||
# -- General configuration ------------------------------------------------
|
||||
|
||||
# If your documentation needs a minimal Sphinx version, state it here.
|
||||
#
|
||||
# needs_sphinx = '1.0'
|
||||
|
||||
# Add any Sphinx extension module names here, as strings. They can be
|
||||
# extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
|
||||
# ones.
|
||||
extensions = []
|
||||
|
||||
# Add any paths that contain templates here, relative to this directory.
|
||||
templates_path = ['sphinx_templates']
|
||||
|
||||
# The suffix(es) of source filenames.
|
||||
# You can specify multiple suffix as a list of string:
|
||||
#
|
||||
# source_suffix = ['.rst', '.md']
|
||||
source_suffix = '.rst'
|
||||
|
||||
# The master toctree document.
|
||||
master_doc = 'index'
|
||||
|
||||
# General information about the project.
|
||||
project = u'remail'
|
||||
copyright = u'2018, Thomas Gleixner <tglx@linutronix.de>'
|
||||
author = u'Thomas Gleixner <tglx@linutronix.de>'
|
||||
|
||||
# The version info for the project you're documenting, acts as replacement for
|
||||
# |version| and |release|, also used in various other places throughout the
|
||||
# built documents.
|
||||
#
|
||||
# The short X.Y version.
|
||||
version = u''
|
||||
# The full version, including alpha/beta/rc tags.
|
||||
release = u''
|
||||
|
||||
# The language for content autogenerated by Sphinx. Refer to documentation
|
||||
# for a list of supported languages.
|
||||
#
|
||||
# This is also used if you do content translation via gettext catalogs.
|
||||
# Usually you set "language" from the command line for these cases.
|
||||
language = None
|
||||
|
||||
# List of patterns, relative to source directory, that match files and
|
||||
# directories to ignore when looking for source files.
|
||||
# This patterns also effect to html_static_path and html_extra_path
|
||||
exclude_patterns = ['_build', 'Thumbs.db', '.DS_Store']
|
||||
|
||||
# The name of the Pygments (syntax highlighting) style to use.
|
||||
pygments_style = 'sphinx'
|
||||
|
||||
# If true, `todo` and `todoList` produce output, else they produce nothing.
|
||||
todo_include_todos = False
|
||||
|
||||
|
||||
# -- Options for HTML output ----------------------------------------------
|
||||
|
||||
# The theme to use for HTML and HTML Help pages. See the documentation for
|
||||
# a list of builtin themes.
|
||||
#
|
||||
html_theme = 'nature'
|
||||
|
||||
# Theme options are theme-specific and customize the look and feel of a theme
|
||||
# further. For a list of options available for each theme, see the
|
||||
# documentation.
|
||||
#
|
||||
# html_theme_options = {}
|
||||
|
||||
# Add any paths that contain custom static files (such as style sheets) here,
|
||||
# relative to this directory. They are copied after the builtin static files,
|
||||
# so a file named "default.css" will overwrite the builtin "default.css".
|
||||
html_static_path = ['sphinx_static']
|
||||
|
||||
# -- Options for HTMLHelp output ------------------------------------------
|
||||
|
||||
# Output file base name for HTML help builder.
|
||||
htmlhelp_basename = 'remaildoc'
|
||||
|
||||
|
||||
# -- Options for LaTeX output ---------------------------------------------
|
||||
|
||||
latex_elements = {
|
||||
# The paper size ('letterpaper' or 'a4paper').
|
||||
#
|
||||
# 'papersize': 'letterpaper',
|
||||
|
||||
# The font size ('10pt', '11pt' or '12pt').
|
||||
#
|
||||
# 'pointsize': '10pt',
|
||||
|
||||
# Additional stuff for the LaTeX preamble.
|
||||
#
|
||||
# 'preamble': '',
|
||||
|
||||
# Latex figure (float) alignment
|
||||
#
|
||||
# 'figure_align': 'htbp',
|
||||
}
|
||||
|
||||
# Grouping the document tree into LaTeX files. List of tuples
|
||||
# (source start file, target name, title,
|
||||
# author, documentclass [howto, manual, or own class]).
|
||||
latex_documents = [
|
||||
(master_doc, 'remail.tex', u'remail Documentation',
|
||||
u'Thomas Gleixner \\textless{}tglx@linutronix.de\\textgreater{}', 'manual'),
|
||||
]
|
||||
|
||||
|
||||
# -- Options for manual page output ---------------------------------------
|
||||
|
||||
# One entry per manual page. List of tuples
|
||||
# (source start file, name, description, authors, manual section).
|
||||
man_pages = [
|
||||
# (master_doc, 'remail', u'remail Documentation',
|
||||
# [author], 1),
|
||||
]
|
||||
|
||||
for f in glob.glob('man1/*.rst'):
|
||||
src = f.replace('.rst', '')
|
||||
dst = src.split('/')[1]
|
||||
man_pages.append((src, dst, u'%s Documentation' % dst, [author], 1))
|
||||
|
||||
for f in glob.glob('man5/*.rst'):
|
||||
src = f.replace('.rst', '')
|
||||
dst = src.split('/')[1]
|
||||
man_pages.append((src, dst, u'%s Documentation' % dst, [author], 5))
|
||||
|
||||
|
||||
# -- Options for Texinfo output -------------------------------------------
|
||||
|
||||
# Grouping the document tree into Texinfo files. List of tuples
|
||||
# (source start file, target name, title, author,
|
||||
# dir menu entry, description, category)
|
||||
texinfo_documents = [
|
||||
(master_doc, 'remail', u'remail Documentation',
|
||||
author, 'remail', 'One line description of project.',
|
||||
'Miscellaneous'),
|
||||
]
|
||||
176
Documentation/configuration.rst
Normal file
176
Documentation/configuration.rst
Normal file
|
|
@ -0,0 +1,176 @@
|
|||
.. SPDX-License-Identifier: GPL-2.0
|
||||
|
||||
.. _remail_configuration:
|
||||
|
||||
remail configuration guide
|
||||
==========================
|
||||
|
||||
Introduction
|
||||
------------
|
||||
|
||||
The configuration files are simple yaml files which only use the very basic
|
||||
yaml components. The yaml file does not have a schema yet, but the
|
||||
configuration parser is doing extensive verification.
|
||||
|
||||
See :ref:`remail_daemon_config_man` for a detailed explanation of the
|
||||
configuration files and the configuration items.
|
||||
|
||||
The examples directory in Documentation contains a full dummy configuration
|
||||
for two lists including fully documented yaml files.
|
||||
|
||||
Work directory
|
||||
--------------
|
||||
|
||||
The work directory structure is fixed and is documented in the man page in
|
||||
the section :ref:`config_dir_struct`.
|
||||
|
||||
A comfortable way to manage the configuration is git. The base
|
||||
configuration directory and the actual list configuration directories are
|
||||
in separate git trees so that they can be maintained by different people
|
||||
with different permissions.
|
||||
|
||||
|
||||
Key considerations
|
||||
------------------
|
||||
|
||||
Private keys
|
||||
^^^^^^^^^^^^
|
||||
|
||||
In order to encrypt incoming mail and to sign outgoing mail the list daemon
|
||||
needs access to the private GPG and S/MIME keys of each list.
|
||||
|
||||
The keys must be stored without password.
|
||||
|
||||
This is not a security issue because if the keys would have passwords then
|
||||
the password needs to be part of the configuration file.
|
||||
|
||||
If the list configuration or the list server is compromised all bets are
|
||||
off. Having a password on the keys would not make any difference.
|
||||
|
||||
Public keys
|
||||
^^^^^^^^^^^
|
||||
|
||||
The public GPG keys of the subscribers in the mailing list specific keyring
|
||||
are always trusted by remail. The list administrator is responsible for
|
||||
verifying the authenticity of the subscribers key, so extensive trust
|
||||
management does not make sense and just complicates the handling.
|
||||
|
||||
remail does not try to update the keyring at any time. This is in the
|
||||
responsibility of the list administrator. Automatic updates are not a
|
||||
really good idea in the light of the recent attacks on the PGP
|
||||
infrastructure.
|
||||
|
||||
The public S/MIME certificates are verified against the CA certificates
|
||||
which are provided and managed by the remail base administrator as part of
|
||||
the base configuration.
|
||||
|
||||
Key storage format
|
||||
------------------
|
||||
|
||||
GPG
|
||||
^^^
|
||||
|
||||
GPG keys are stored using the storage format of gnugp. Create and manage
|
||||
the private keys and the subscriber keyrings with the GPG tool of your
|
||||
choice.
|
||||
|
||||
S/MIME
|
||||
^^^^^^
|
||||
|
||||
S/MIME .key and .crt files are stored in pem format and have to follow
|
||||
the following naming convention.
|
||||
|
||||
Private keys (list keys):
|
||||
email@address.domain.key
|
||||
|
||||
Public certificates (list and subscribers):
|
||||
email@address.domain.crt
|
||||
|
||||
Using git for configuration management
|
||||
--------------------------------------
|
||||
|
||||
As seen above the base configuration directory contains the private keys
|
||||
for the lists. So the administrator has to ensure that the git repository
|
||||
which is used to push the configuration to is properly protected. Also the
|
||||
machine used for updating the base configuration repository should not be
|
||||
accessible by unpriviledged users.
|
||||
|
||||
The incomplete list of things to avoid under all circumstances:
|
||||
|
||||
- Push the base configuration to a public hosted repository server like
|
||||
github, gitlab etc.
|
||||
|
||||
- Keep the base configuration on an easy accessible machine if the data is
|
||||
not sufficiently protected by encryption
|
||||
|
||||
- Keep the base configuration unencrypted on a backup medium.
|
||||
|
||||
The list configuration does not contain strictly secret information, but
|
||||
the pure existance of an incident list and the list of involved people
|
||||
might give a hint in which area the handled issue might be. So in general
|
||||
it is recommended to hide a list configuration repository from public and
|
||||
unpriviledged access as well, but in case of an leak the potential damage
|
||||
is way smaller than the one of leaking the base configuration which
|
||||
contains the private keys.
|
||||
|
||||
|
||||
Base configuration
|
||||
------------------
|
||||
|
||||
To configure the list daemon the following configuration files need to be
|
||||
created or modified:
|
||||
|
||||
- remail.yaml
|
||||
|
||||
remail.yaml:
|
||||
|
||||
The main configuration file for the remail daemon. See
|
||||
:ref:`remail_daemon_config_man` for a detailed information of the file.
|
||||
|
||||
List configuration
|
||||
------------------
|
||||
|
||||
For each enabled mailing list the following configuration files need to be
|
||||
created or modified:
|
||||
|
||||
- list.yaml
|
||||
- template_welcome
|
||||
- template_admin
|
||||
|
||||
list.yaml:
|
||||
|
||||
The list specific configuration file for the mailing list. It contains
|
||||
the subscriber list. See :ref:`remail_daemon_config_man` for a detailed
|
||||
information of the file.
|
||||
|
||||
template_admin:
|
||||
|
||||
The mail template for mail to the list admin(s).
|
||||
|
||||
template_welcome:
|
||||
|
||||
The mail template for mail to welcome new subscribers.
|
||||
|
||||
|
||||
Public mail
|
||||
-----------
|
||||
|
||||
Request or configure a user account for receiving list mail. This mail
|
||||
account acts as a catch all for the list, the list-owner and list-bounce
|
||||
addresses. If more than one mailing list is served by the list daemon then
|
||||
the user mail account can receive all mails for the lists. remail finds the
|
||||
appropriate mailing list for the various addresses.
|
||||
|
||||
remail does not retrieve mail from a public mail server as this is outside
|
||||
the scope of remail and depends on the particular setup. remail expects the
|
||||
incoming mails to be delivered into a maildir. Tools like getmail,
|
||||
fetchmail can handle that as well as SMTP servers.
|
||||
|
||||
|
||||
Local mail transport
|
||||
--------------------
|
||||
|
||||
remail delivers the outgoing mail to the local SMTP server. The
|
||||
configuration for the SMTP server to relay the mails to the public facing
|
||||
machines is outside the scope of this documentation and depends on the SMTP
|
||||
server variant you are using.
|
||||
|
|
@ -0,0 +1 @@
|
|||
|
||||
|
|
@ -0,0 +1 @@
|
|||
|
||||
1
Documentation/examples/conf/.certs/cacert.pem
Normal file
1
Documentation/examples/conf/.certs/cacert.pem
Normal file
|
|
@ -0,0 +1 @@
|
|||
|
||||
|
|
@ -0,0 +1 @@
|
|||
|
||||
|
|
@ -0,0 +1 @@
|
|||
|
||||
1
Documentation/examples/conf/.gnupg/pubring.kbx
Normal file
1
Documentation/examples/conf/.gnupg/pubring.kbx
Normal file
|
|
@ -0,0 +1 @@
|
|||
|
||||
|
|
@ -0,0 +1 @@
|
|||
|
||||
|
|
@ -0,0 +1 @@
|
|||
|
||||
|
|
@ -0,0 +1 @@
|
|||
|
||||
41
Documentation/examples/conf/lists/list1/list.yaml
Normal file
41
Documentation/examples/conf/lists/list1/list.yaml
Normal file
|
|
@ -0,0 +1,41 @@
|
|||
#
|
||||
# Recrypting mailing list configuration file for list1
|
||||
#
|
||||
|
||||
# The list subscribers
|
||||
subscribers:
|
||||
|
||||
# Format:
|
||||
# email address:
|
||||
# name: Real name of the subscriber
|
||||
# enabled: Subscriber is enabled (if omitted defaults to False)
|
||||
# use_smime: True/False (Use S/MIME for encryption. If omitted defaults to False)
|
||||
# fingerprint: GPG fingerprint (Not required when use_smime == True)
|
||||
# gpg_plain: Plain text inline GPG encryption (If omitted defaults to False)
|
||||
# aliases: List of alias addresses which are valid for posting (moderated list)
|
||||
#
|
||||
# Note: Use spaces for spacing not tabs
|
||||
|
||||
dev1@some.domain:
|
||||
name: Developer One
|
||||
enabled: True
|
||||
use_smime: True
|
||||
|
||||
dev2@some.domain:
|
||||
name: Developer Two
|
||||
enabled: False
|
||||
|
||||
dev3@other.domain:
|
||||
name: Developer Three
|
||||
enabled: True
|
||||
fingerprint: 40_CHARACTER_PGP_FINGERPRINT
|
||||
aliases:
|
||||
- dev3@dev3.domain
|
||||
- hckr@dev3.domain
|
||||
|
||||
dev4@other.domain:
|
||||
name: Developer Four
|
||||
enabled: True
|
||||
fingerprint: 40_CHARACTER_PGP_FINGERPRINT
|
||||
gpg_plain: True
|
||||
|
||||
6
Documentation/examples/conf/lists/list1/template_admin
Normal file
6
Documentation/examples/conf/lists/list1/template_admin
Normal file
|
|
@ -0,0 +1,6 @@
|
|||
Subject: [LIST1] Remail failure report
|
||||
User-Agent: Remail
|
||||
Content-Type: text/plain
|
||||
Content-Disposition: inline
|
||||
|
||||
The following problems have been encountered with the list list1:
|
||||
26
Documentation/examples/conf/lists/list1/template_welcome
Normal file
26
Documentation/examples/conf/lists/list1/template_welcome
Normal file
|
|
@ -0,0 +1,26 @@
|
|||
Subject: Welcome to the list1 mailing-list
|
||||
User-Agent: Remail
|
||||
Content-Type: text/plain
|
||||
Content-Disposition: inline
|
||||
|
||||
Dear $NAME!
|
||||
|
||||
This is an automated email from your friendly mailing-list update bot. This
|
||||
email is sent to you because you got (re-)subscribed to the list1
|
||||
mailing-list.
|
||||
|
||||
This email to you is signed either with the list's PGP key or the list's
|
||||
S/MIME certificate depending on your encryption preference, so your
|
||||
email-client should have already retrieved the PGP key or the S/MIME
|
||||
certificate for you.
|
||||
|
||||
The list's email address is: list1@list.domain
|
||||
|
||||
To send email to the list, encrypt it either with the list's PGP key or the
|
||||
list's S/MIME certificate. Note, that the subject line of the email is not
|
||||
encrypted, so you should be careful about that.
|
||||
|
||||
If you have questions, please contact the list administrator by email. The
|
||||
administrators email address is: list1-owner@list.domain
|
||||
|
||||
|
||||
|
|
@ -0,0 +1 @@
|
|||
|
||||
|
|
@ -0,0 +1 @@
|
|||
|
||||
41
Documentation/examples/conf/lists/list2/list.yaml
Normal file
41
Documentation/examples/conf/lists/list2/list.yaml
Normal file
|
|
@ -0,0 +1,41 @@
|
|||
#
|
||||
# Recrypting mailing list configuration file for list2
|
||||
#
|
||||
|
||||
# The list subscribers
|
||||
subscribers:
|
||||
|
||||
# Format:
|
||||
# email address:
|
||||
# name: Real name of the subscriber
|
||||
# enabled: Subscriber is enabled (if omitted defaults to False)
|
||||
# use_smime: True/False (Use S/MIME for encryption. If omitted defaults to False)
|
||||
# fingerprint: GPG fingerprint (Not required when use_smime == True)
|
||||
# gpg_plain: Plain text inline GPG encryption (If omitted defaults to False)
|
||||
# aliases: List of alias addresses which are valid for posting (moderated list)
|
||||
#
|
||||
# Note: Use spaces for spacing not tabs
|
||||
|
||||
dev1@some.domain:
|
||||
name: Developer One
|
||||
enabled: True
|
||||
use_smime: True
|
||||
|
||||
dev2@some.domain:
|
||||
name: Developer Two
|
||||
enabled: False
|
||||
|
||||
dev3@other.domain:
|
||||
name: Developer Three
|
||||
enabled: True
|
||||
fingerprint: 40_CHARACTER_PGP_FINGERPRINT
|
||||
aliases:
|
||||
- dev3@dev3.domain
|
||||
- hckr@dev3.domain
|
||||
|
||||
dev4@other.domain:
|
||||
name: Developer Four
|
||||
enabled: True
|
||||
fingerprint: 40_CHARACTER_PGP_FINGERPRINT
|
||||
gpg_plain: True
|
||||
|
||||
6
Documentation/examples/conf/lists/list2/template_admin
Normal file
6
Documentation/examples/conf/lists/list2/template_admin
Normal file
|
|
@ -0,0 +1,6 @@
|
|||
Subject: [LIST2] Remail failure report
|
||||
User-Agent: Remail
|
||||
Content-Type: text/plain
|
||||
Content-Disposition: inline
|
||||
|
||||
The following problems have been encountered with the list list2:
|
||||
26
Documentation/examples/conf/lists/list2/template_welcome
Normal file
26
Documentation/examples/conf/lists/list2/template_welcome
Normal file
|
|
@ -0,0 +1,26 @@
|
|||
Subject: Welcome to the list2 mailing-list
|
||||
User-Agent: Remail
|
||||
Content-Type: text/plain
|
||||
Content-Disposition: inline
|
||||
|
||||
Dear $NAME!
|
||||
|
||||
This is an automated email from your friendly mailing-list update bot. This
|
||||
email is sent to you because you got (re-)subscribed to the list2
|
||||
mailing-list.
|
||||
|
||||
This email to you is signed either with the list's PGP key or the list's
|
||||
S/MIME certificate depending on your encryption preference, so your
|
||||
email-client should have already retrieved the PGP key or the S/MIME
|
||||
certificate for you.
|
||||
|
||||
The list's email address is: list2@list.domain
|
||||
|
||||
To send email to the list, encrypt it either with the list's PGP key or the
|
||||
list's S/MIME certificate. Note, that the subject line of the email is not
|
||||
encrypted, so you should be careful about that.
|
||||
|
||||
If you have questions, please contact the list administrator by email. The
|
||||
administrators email address is: list2-owner@list.domain
|
||||
|
||||
|
||||
1
Documentation/examples/conf/lock
Normal file
1
Documentation/examples/conf/lock
Normal file
|
|
@ -0,0 +1 @@
|
|||
|
||||
116
Documentation/examples/conf/remail.yaml
Normal file
116
Documentation/examples/conf/remail.yaml
Normal file
|
|
@ -0,0 +1,116 @@
|
|||
#
|
||||
# Remail base configuration file for the remail list server
|
||||
#
|
||||
# Note: YAML requires spaces. Do not use TABs
|
||||
#
|
||||
|
||||
# Enabled. If False all other items are ignored. Set to true to get it starting
|
||||
enabled: True
|
||||
|
||||
# Set to True to enable SMTP delivery. Set only to False for testing or
|
||||
# troubleshooting
|
||||
use_smtp: True
|
||||
|
||||
# S/MIME
|
||||
smime:
|
||||
# Verify CA certs. Only disable for troubleshooting
|
||||
verify: True
|
||||
|
||||
# GPG
|
||||
gpg:
|
||||
# Trust your keys always. That avoids manual fiddling with trust-db
|
||||
always_trust: True
|
||||
# List mail should always be signed with the lists key
|
||||
sign: True
|
||||
|
||||
# The mailing lists
|
||||
lists:
|
||||
|
||||
# The list name
|
||||
list1:
|
||||
|
||||
# Set to True if the list is enabled
|
||||
enabled: True
|
||||
|
||||
# Set to True if the list should be moderated
|
||||
# If set, only subscribers can post to the list
|
||||
# Non subscriber mails are forwarded to the list admins
|
||||
moderated: True
|
||||
|
||||
archive:
|
||||
use_maildir: True
|
||||
# Set to true if the incoming mails should be archived
|
||||
# locally in a mailbox/dir unmodified before decryption
|
||||
archive_incoming: True
|
||||
# Set to true if the incoming mails should be archived
|
||||
# locally in a mailbox/dir after decrypting them
|
||||
archive_plain: True
|
||||
|
||||
# The list account itself
|
||||
listaccount:
|
||||
list1@list.domain:
|
||||
name: list1
|
||||
fingerprint: 40_CHARACTER_PGP_FINGERPRINT
|
||||
|
||||
# The list admins
|
||||
admins:
|
||||
# Format:
|
||||
# email address:
|
||||
# name: Real name of the subscriber
|
||||
# enabled: Subscriber is enabled (if omitted defaults to False)
|
||||
# use_smime: True/False (Use S/MIME for encryption. If omitted defaults to False)
|
||||
# fingerprint: GPG fingerprint (Not required when use_smime == True)
|
||||
# gpg_plain: Plain text inline GPG encryption (If omitted defaults to False)
|
||||
admin1@admin.domain:
|
||||
name: Admin one
|
||||
use_smime: True
|
||||
enabled: True
|
||||
|
||||
admin2@admin2.domain:
|
||||
name: Admin2
|
||||
fingerprint: 40_CHARACTER_PGP_FINGERPRINT
|
||||
gpg_plain: True
|
||||
enabled: True
|
||||
|
||||
# The list name
|
||||
list2:
|
||||
# Set to True if the list is enabled
|
||||
enabled: True
|
||||
|
||||
# Set to True if the list should be moderated
|
||||
# If set, only subscribers can post to the list
|
||||
# Non subscriber mails are forwarded to the list admins
|
||||
moderated: True
|
||||
|
||||
archive:
|
||||
use_maildir: True
|
||||
# Set to true if the incoming mails should be archived
|
||||
# locally in a mailbox/dir unmodified before decryption
|
||||
archive_incoming: True
|
||||
# Set to true if the incoming mails should be archived
|
||||
# locally in a mailbox/dir after decrypting them
|
||||
archive_plain: False
|
||||
|
||||
# The list account itself
|
||||
listaccount:
|
||||
list1@list.domain:
|
||||
name: list1
|
||||
fingerprint: 40_CHARACTER_PGP_FINGERPRINT
|
||||
|
||||
# The list admins
|
||||
admins:
|
||||
# Format:
|
||||
# email address:
|
||||
# name: Real name of the subscriber
|
||||
# enabled: Subscriber is enabled (if omitted defaults to False)
|
||||
# use_smime: True/False (Use S/MIME for encryption. If omitted defaults to False)
|
||||
# fingerprint: GPG fingerprint (Not required when use_smime == True)
|
||||
# gpg_plain: Plain text inline GPG encryption (If omitted defaults to False)
|
||||
admin2@admin2.domain:
|
||||
name: Admin2
|
||||
fingerprint: 40_CHARACTER_PGP_FINGERPRINT
|
||||
enabled: True
|
||||
|
||||
admin3@admin3.domain:
|
||||
name: Admin three
|
||||
enabled: False
|
||||
80
Documentation/index.rst
Normal file
80
Documentation/index.rst
Normal file
|
|
@ -0,0 +1,80 @@
|
|||
.. SPDX-License-Identifier: GPL-2.0
|
||||
|
||||
.. remail documentation master file
|
||||
|
||||
Welcome to remail's documentation!
|
||||
==================================
|
||||
|
||||
.. toctree::
|
||||
:maxdepth: 3
|
||||
:caption: Contents:
|
||||
|
||||
Introduction
|
||||
------------
|
||||
|
||||
.. toctree::
|
||||
:maxdepth: 3
|
||||
|
||||
introduction.rst
|
||||
|
||||
|
||||
Licensing
|
||||
---------
|
||||
|
||||
Describes the licensing rules for the remail source code.
|
||||
|
||||
.. toctree::
|
||||
:maxdepth: 3
|
||||
|
||||
license-rules.rst
|
||||
|
||||
|
||||
Installation
|
||||
------------
|
||||
|
||||
Installation guidelines
|
||||
|
||||
.. toctree::
|
||||
:maxdepth: 3
|
||||
|
||||
installation.rst
|
||||
|
||||
|
||||
Configuration
|
||||
-------------
|
||||
|
||||
Configuration guidelines
|
||||
|
||||
.. toctree::
|
||||
:maxdepth: 3
|
||||
|
||||
configuration.rst
|
||||
|
||||
Operation
|
||||
----------
|
||||
|
||||
Information about operation
|
||||
|
||||
.. toctree::
|
||||
:maxdepth: 3
|
||||
|
||||
operation.rst
|
||||
|
||||
|
||||
Usage
|
||||
-----
|
||||
|
||||
Usage guidelines (man pages)
|
||||
|
||||
.. toctree::
|
||||
:maxdepth: 3
|
||||
|
||||
man1/remail_daemon.rst
|
||||
man1/remail_chkcfg.rst
|
||||
man5/remail_daemon.config.rst
|
||||
|
||||
|
||||
Indices and tables
|
||||
==================
|
||||
|
||||
* :ref:`genindex`
|
||||
58
Documentation/installation.rst
Normal file
58
Documentation/installation.rst
Normal file
|
|
@ -0,0 +1,58 @@
|
|||
.. SPDX-License-Identifier: GPL-2.0
|
||||
|
||||
.. _remail_installation:
|
||||
|
||||
remail installation guide
|
||||
=========================
|
||||
|
||||
General
|
||||
-------
|
||||
|
||||
The recommended installation procedure is via the package management system
|
||||
of your distribution. Manual installation is surely possible and the
|
||||
various bits and pieces including their default or recommended locations on
|
||||
the target are documented in the packaging files.
|
||||
|
||||
By default the daemon is disabled as it requires configuration.
|
||||
|
||||
|
||||
Protecting the system
|
||||
---------------------
|
||||
|
||||
Run the list daemon on a machine which is not publicly accessible and
|
||||
ensure that no untrusted users can access it. It can be run in a VM with
|
||||
the sole purpose of running the encrypted mailing list. As the private keys
|
||||
of the list are stored on that machine the setup requires deep
|
||||
understanding of IT security. It's outside the scope of this documentation
|
||||
to provide guidance on this.
|
||||
|
||||
|
||||
Dependencies
|
||||
------------
|
||||
|
||||
remail requires Python 3 and depends on the following python packages:
|
||||
|
||||
- python3-M2Crypto
|
||||
- python3-gnupg
|
||||
- python3-yaml
|
||||
|
||||
Note, that on Debian 10 python3-M2Crypto is not available, but can be
|
||||
installed as a Debian package from the testing repository.
|
||||
|
||||
Further the systems needs to have:
|
||||
|
||||
- A mail transport agent which handles the transport of the mails to an
|
||||
outgoing SMTP server.
|
||||
|
||||
- A mail retriever agent or some other mechanism which can fetch or
|
||||
handle incoming mail and deliver it to remails maildir.
|
||||
|
||||
The initial deployment of the list daemon which was used to handle
|
||||
development of mitigations for embargoed hardware security vulnerabilities
|
||||
uses postfix and getmail, but that's only one of various possibilites.
|
||||
|
||||
As the choice of tools depends on the setup and the situation under which
|
||||
the system is deployed, there is no documentation provided here. It's a
|
||||
prerequisite that an administrator who wants to deploy remail is familiar
|
||||
with these kind of tools.
|
||||
|
||||
95
Documentation/introduction.rst
Normal file
95
Documentation/introduction.rst
Normal file
|
|
@ -0,0 +1,95 @@
|
|||
.. SPDX-License-Identifier: GPL-2.0
|
||||
|
||||
.. _remail_introduction:
|
||||
|
||||
Introduction
|
||||
============
|
||||
|
||||
remail is a very simplistic mailing list tool which provides encryption.
|
||||
|
||||
Why yet another mailing list tool?
|
||||
----------------------------------
|
||||
|
||||
The handling of the embargoed hardware security issues made it necessary
|
||||
to have a encrypted mailing list. Managing Cc lists manually and dealing
|
||||
with the odd GPG integrations in the mail clients is just not a workable
|
||||
solution.
|
||||
|
||||
There are only a few Open Source implementations of encrypted mailing lists
|
||||
available. Some of them are abandoned projects. The alive ones have their
|
||||
own set of shortcomings. One of them supports only S/MIME. The other
|
||||
supports only PGP, but did not survive testing in a real world
|
||||
deployment. Repairing ruby code and dis-tangling the thing from its weird
|
||||
daemons and other over-engineered features was certainly not a project for
|
||||
the weekend.
|
||||
|
||||
After thinking about it for a while, I recognized that for the purpose at
|
||||
hand the tool can be very simplistic. Using existing tools like getmail and
|
||||
SMTP servers plus the knowledge about the gory details of emails which I
|
||||
gained by writing mail handling scripts in python for my daily work, made
|
||||
it possible to implement it in a rather short time.
|
||||
|
||||
|
||||
What it does
|
||||
------------
|
||||
|
||||
remail reads mail from a maildir, decrypts it with the mailing list private
|
||||
key and re-encrypts it for every enabled subscriber. The resulting mails are
|
||||
delivered to the localhost's SMTP server.
|
||||
|
||||
remail supports S/MIME and PGP on both ends.
|
||||
|
||||
No MUA functionality and no complicated SMTP delivery mechanisms are
|
||||
required. They all exist in well maintained tools already.
|
||||
|
||||
The list configuration is a simple yaml file and is maintained manually
|
||||
with your favorite text editor. Building tools around that is not part of
|
||||
this project and there are many existing ways to handle that conveniently.
|
||||
|
||||
The proven in use mechanism is to have the configuration files in git and
|
||||
let the mailing list system either check for updates regularly or get some
|
||||
external notification that a new configuration is available.
|
||||
|
||||
|
||||
What it does not
|
||||
----------------
|
||||
|
||||
It does not care about mail transport on the receiving side, no POP or IMAP
|
||||
support as this can be handled by tools like getmail.
|
||||
|
||||
It does not care about complex mail transport on the sending side as this
|
||||
can be handled by SMTP servers like postfix or exim.
|
||||
|
||||
It has no integration into SMTP server transports or filters because it
|
||||
makes no sense to deploy such a sensitive mechanism on a public facing
|
||||
machine.
|
||||
|
||||
It does not come with GUI and managenent tools. A crypto mailing list is
|
||||
subscribers only for obvious reasons and not meant to handle a large amount
|
||||
of subscribers. It's meant for secure communications of a small group of
|
||||
people without having the hassle of keeping Cc lists up to date and
|
||||
encrypting for every recipient.
|
||||
|
||||
|
||||
How it works
|
||||
------------
|
||||
|
||||
.. image:: remail.svg
|
||||
|
||||
The mailing list has the usual post, bounce and owner email addresses on a
|
||||
public mail server. These addresses are aliased to a user account. The
|
||||
mails are stored in the users inbox or forwarded to a protected machine.
|
||||
|
||||
The mailing list software runs on a protected and separated machine behind
|
||||
firewalls and access barriers like any other sensitive application.
|
||||
|
||||
The mail is retrieved from the public facing machine by any of the existing
|
||||
mechanisms, e.g. getmail, fetchmail or any MTA which can deliver mail to a
|
||||
maildir. remail does not implement any transport on the incoming side as
|
||||
there are good tools available which can handle the requirements of a
|
||||
particular setup.
|
||||
|
||||
The list daemon retrieves the mails from the maildir and selects the
|
||||
appropriate list via the 'To' header. It then decrypts the incoming mail,
|
||||
re-encrypts it for each subscriber and delivers it to the local SMTP server
|
||||
which takes care of relaying it to the public facing SMTP server.
|
||||
161
Documentation/license-rules.rst
Normal file
161
Documentation/license-rules.rst
Normal file
|
|
@ -0,0 +1,161 @@
|
|||
.. SPDX-License-Identifier: GPL-2.0
|
||||
|
||||
.. _remail_licensing_rules:
|
||||
|
||||
remail licensing rules
|
||||
======================
|
||||
|
||||
The remail project is provided under the terms of the GNU General Public
|
||||
License version 2 only (GPL-2.0-only), as provided in LICENSES/GPL-2.0.
|
||||
|
||||
This documentation file provides a description of how each source file
|
||||
should be annotated to make its license clear and unambiguous.
|
||||
It doesn't replace the projects license.
|
||||
|
||||
The license described in the COPYING file applies to the project source
|
||||
as a whole, though individual source files can have a different license
|
||||
which is required to be compatible with the GPL-2.0-only::
|
||||
|
||||
GPL-2.0-or-later : GNU General Public License v2.0 or later
|
||||
|
||||
Aside from that, individual files can be provided under a dual license,
|
||||
e.g. one of the compatible GPL variants and alternatively under a
|
||||
permissive license like BSD, MIT etc.
|
||||
|
||||
The common way of expressing the license of a source file is to add the
|
||||
matching boilerplate text into the top comment of the file. Due to
|
||||
formatting, typos etc. these "boilerplates" are hard to validate for
|
||||
tools which are used in the context of license compliance.
|
||||
|
||||
An alternative to boilerplate text is the use of Software Package Data
|
||||
Exchange (SPDX) license identifiers in each source file. SPDX license
|
||||
identifiers are machine parsable and precise shorthands for the license
|
||||
under which the content of the file is contributed. SPDX license
|
||||
identifiers are managed by the SPDX Workgroup at the Linux Foundation and
|
||||
have been agreed on by partners throughout the industry, tool vendors, and
|
||||
legal teams. For further information see https://spdx.org/
|
||||
|
||||
The remail prokect requires the precise SPDX identifier in all source
|
||||
files. The valid identifiers used in the remail project are explained in
|
||||
the section `License identifiers`_ and have been retrieved from the
|
||||
official SPDX license list at https://spdx.org/licenses/ along with the
|
||||
license texts.
|
||||
|
||||
License identifier syntax
|
||||
-------------------------
|
||||
|
||||
1. Placement:
|
||||
|
||||
The SPDX license identifier in source files shall be added at the first
|
||||
possible line in a file which can contain a comment. For the majority
|
||||
or files this is the first line, except for executable scripts which
|
||||
require the '#!PATH_TO_INTERPRETER' in the first line. For those
|
||||
scripts the SPDX identifier goes into the second line.
|
||||
|
||||
|
|
||||
|
||||
2. Style:
|
||||
|
||||
The SPDX license identifier is added in form of a comment. The comment
|
||||
style depends on the file type::
|
||||
|
||||
scripts: # SPDX-License-Identifier: <SPDX License Expression>
|
||||
.py: # SPDX-License-Identifier: <SPDX License Expression>
|
||||
.rst: .. SPDX-License-Identifier: <SPDX License Expression>
|
||||
|
||||
|
|
||||
|
||||
3. Syntax:
|
||||
|
||||
A <SPDX License Expression> is either an SPDX short form license
|
||||
identifier found on the SPDX License List. When multiple licenses apply,
|
||||
an expression consists of keywords "AND", "OR" separating
|
||||
sub-expressions and surrounded by "(", ")" .
|
||||
|
||||
License identifiers for licenses like [L]GPL with the 'or later' option
|
||||
are constructed by using a "-or-later" for indicating the 'or later'
|
||||
option.::
|
||||
|
||||
# SPDX-License-Identifier: GPL-2.0-or-later
|
||||
|
||||
OR should be used if the file is dual licensed and only one license is
|
||||
to be selected. For example::
|
||||
|
||||
# SPDX-License-Identifier: GPL-2.0-only OR BSD-3-Clause
|
||||
|
||||
AND should be used if the file has multiple licenses whose terms all
|
||||
apply to use the file. For example, if code is inherited from another
|
||||
project and permission has been given to put it in the remail project,
|
||||
but the original license terms need to remain in effect::
|
||||
|
||||
# SPDX-License-Identifier: GPL-2.0-only AND MIT
|
||||
|
||||
|
||||
License identifiers
|
||||
-------------------
|
||||
|
||||
The licenses currently used, as well as the licenses for code added to the
|
||||
project can be found in the LICENSES directory.
|
||||
|
||||
Whenever possible these licenses should be used as they are known to be
|
||||
fully compatible and widely used.
|
||||
|
||||
The files in this directory contain the full license text and metatags.
|
||||
The file names are identical to the SPDX license identifier which shall be
|
||||
used for the license in source files.
|
||||
|
||||
Examples::
|
||||
|
||||
LICENSES/GPL-2.0
|
||||
|
||||
Contains the GPL version 2 license text and the required metatags:
|
||||
|
||||
Metatags:
|
||||
|
||||
The following meta tags must be available in a license file:
|
||||
|
||||
- Valid-License-Identifier:
|
||||
|
||||
One or more lines which declare which License Identifiers are valid
|
||||
inside the project to reference this particular license text. Usually
|
||||
this is a single valid identifier, but e.g. for licenses with the 'or
|
||||
later' options two identifiers are valid.
|
||||
|
||||
- SPDX-URL:
|
||||
|
||||
The URL of the SPDX page which contains additional information related
|
||||
to the license.
|
||||
|
||||
- Usage-Guidance:
|
||||
|
||||
Freeform text for usage advice. The text must include correct examples
|
||||
for the SPDX license identifiers as they should be put into source
|
||||
files according to the `License identifier syntax`_ guidelines.
|
||||
|
||||
- License-Text:
|
||||
|
||||
All text after this tag is treated as the original license text
|
||||
|
||||
File format examples::
|
||||
|
||||
Valid-License-Identifier: GPL-2.0-only
|
||||
Valid-License-Identifier: GPL-2.0-or-later
|
||||
SPDX-URL: https://spdx.org/licenses/GPL-2.0-only.html
|
||||
Usage-Guide:
|
||||
To use this license in source code, put one of the following SPDX
|
||||
tag/value pairs into a comment according to the placement
|
||||
guidelines in the licensing rules documentation.
|
||||
For 'GNU General Public License (GPL) version 2 only' use:
|
||||
SPDX-License-Identifier: GPL-2.0-only
|
||||
For 'GNU General Public License (GPL) version 2 or any later version' use:
|
||||
SPDX-License-Identifier: GPL-2.0-or-later
|
||||
License-Text:
|
||||
Full license text
|
||||
|
||||
|
|
||||
|
||||
All SPDX license identifiers must have a corresponding file in the LICENSE
|
||||
subdirectory. This is required to allow tool verification and to have the
|
||||
licenses ready to read and extract right from the source, which is
|
||||
recommended by various FOSS organizations, e.g. the `FSFE REUSE initiative
|
||||
<https://reuse.software/>`_.
|
||||
69
Documentation/man1/remail_chkcfg.rst
Normal file
69
Documentation/man1/remail_chkcfg.rst
Normal file
|
|
@ -0,0 +1,69 @@
|
|||
.. SPDX-License-Identifier: GPL-2.0
|
||||
|
||||
.. _remail_chkcfg_man:
|
||||
|
||||
|
||||
remail_chkcfg manual page
|
||||
=========================
|
||||
|
||||
Synopsis
|
||||
--------
|
||||
|
||||
**remail_chkcfg** [*options*] config_file
|
||||
|
||||
Description
|
||||
-----------
|
||||
|
||||
:program:`remail_chkcfg`, A program to check and display show the
|
||||
configuration of a crypto mailing list
|
||||
|
||||
It reads the configuration file, verifies for correctness and displays the
|
||||
resulting aggregated configuration in simple form.
|
||||
|
||||
Options
|
||||
-------
|
||||
|
||||
-h, --help
|
||||
Show this help message and exit
|
||||
|
||||
-e, --enabled
|
||||
Show a pretty printed tabular list of names and email addresses of all
|
||||
enabled subscribers in a list specific configuration file. Implies -lnq.
|
||||
|
||||
-l, --list
|
||||
Configuration file is a list specific configuration which contains only
|
||||
the subscribers
|
||||
|
||||
-n, --nokeys
|
||||
Do not check for GPG and S/MIME keys and certs
|
||||
|
||||
-q, --quiet
|
||||
Quiet mode. Do not show the configuration. Only check for correctness
|
||||
|
||||
-v, --verbose
|
||||
Enable verbose logging.
|
||||
|
||||
-V, --version
|
||||
Display version information
|
||||
|
||||
|
||||
Invocation
|
||||
----------
|
||||
|
||||
The program expects a properly populated configuration directory at the
|
||||
place where the config_file is. If the program is invoked from outside the
|
||||
configuration directory the program changes into the configuration
|
||||
directory according to the directory part of the config_file argument.
|
||||
|
||||
If the configuration file is the base configuration file the program
|
||||
expects the list configuration files of the enabled lists to be available
|
||||
in the lists subdirectory.
|
||||
|
||||
If it is invoked with a list specific configuration file it only checks and
|
||||
shows this part. If not disabled it checks for the availability and validity
|
||||
of the keys for each subscriber.
|
||||
|
||||
|
||||
See also
|
||||
--------
|
||||
:manpage:`remail_daemon.config(5)`
|
||||
58
Documentation/man1/remail_daemon.rst
Normal file
58
Documentation/man1/remail_daemon.rst
Normal file
|
|
@ -0,0 +1,58 @@
|
|||
.. SPDX-License-Identifier: GPL-2.0
|
||||
|
||||
.. _remail_daemon_man:
|
||||
|
||||
remail_daemon manual page
|
||||
=========================
|
||||
|
||||
Synopsis
|
||||
--------
|
||||
|
||||
**remail_daemon** [*options*] config_file
|
||||
|
||||
Description
|
||||
-----------
|
||||
|
||||
:program:`remail_daemon`, The daemon for running an encrypted mailing
|
||||
list. It reads the configuration file from the command line.
|
||||
|
||||
|
||||
Options
|
||||
-------
|
||||
|
||||
-h, --help
|
||||
Show this help message and exit
|
||||
|
||||
-s syslog, --syslog
|
||||
Use syslog for logging. Default is stderr
|
||||
|
||||
-v, --verbose
|
||||
Enable verbose logging.
|
||||
|
||||
-V, --version
|
||||
Display version information
|
||||
|
||||
|
||||
Configuration file
|
||||
------------------
|
||||
|
||||
remail_daemon reads the configuration file which was handed in on the
|
||||
command line. The configuration file is a simple yaml file. Non-mandatory
|
||||
configuration options which are not in the configuration file are set to
|
||||
the default values.
|
||||
|
||||
See the configuration file man page for detailed information.
|
||||
|
||||
|
||||
Work directory
|
||||
--------------
|
||||
|
||||
remail daemon assumes that the configuration file is in the work directory
|
||||
which has a defined layout and content. The directory structure is
|
||||
documented in the full remail documentation along with hints how to manage
|
||||
documentation.
|
||||
|
||||
|
||||
See also
|
||||
--------
|
||||
:manpage:`remail_daemon.config(5)`
|
||||
430
Documentation/man5/remail_daemon.config.rst
Normal file
430
Documentation/man5/remail_daemon.config.rst
Normal file
|
|
@ -0,0 +1,430 @@
|
|||
.. SPDX-License-Identifier: GPL-2.0
|
||||
|
||||
.. _remail_daemon_config_man:
|
||||
|
||||
remail_daemon.config manual page
|
||||
================================
|
||||
|
||||
Synopsis
|
||||
--------
|
||||
|
||||
remail.yaml
|
||||
list.yaml
|
||||
|
||||
Description
|
||||
-----------
|
||||
|
||||
This manual describes the configuration file format for the remail daemon.
|
||||
|
||||
The configuration files are using yaml syntax. There are two types of
|
||||
configuration files:
|
||||
|
||||
1) Base configuration file
|
||||
|
||||
The default configuration file is located in the base configuration
|
||||
directory which is also the base work directory.
|
||||
|
||||
2) List configuration file
|
||||
|
||||
Per mailing list configuration file.
|
||||
|
||||
Non-mandatory options are set to the builtin defaults if they are not
|
||||
available in the configuration files.
|
||||
|
||||
.. _config_dir_struct:
|
||||
|
||||
Configuration directory structure
|
||||
---------------------------------
|
||||
|
||||
The configuration directory structure is fixed and looks like this::
|
||||
|
||||
├── .certs
|
||||
│ ├── cacert.pem
|
||||
│ ├── list1@your.domain.key
|
||||
│ ├── list2@your.domain.key
|
||||
│ ├── admin1@some.domain.crt
|
||||
│ ├── admin2@other.domain.crt
|
||||
├── .git
|
||||
├── .gnupg
|
||||
│ ├── private-keys-v1.d
|
||||
│ │ ├── XYXYXYXYXYXYXYXYXYXYXYXYXYXYXYXYXYXYXYX1.key
|
||||
│ │ ├── YXYXYXYXYXYXYXYXYXYXYXYXYXYXYXYXYXYXYXY2.key
|
||||
│ ├── pubring.kbx
|
||||
├── lists
|
||||
│ ├── list1
|
||||
│ │ ├── .certs
|
||||
│ │ │ ├── list1@your.domain.crt
|
||||
│ │ │ ├── subscr1-1@subscr1.domain.crt
|
||||
│ │ │ ├── subscr1-2@subscr2.domain.crt
|
||||
│ │ │ ├── admin1@some.domain.crt
|
||||
│ │ ├── .git
|
||||
│ │ ├── .gnupg
|
||||
│ │ │ └── pubring.kbx
|
||||
│ │ ├── list.yaml
|
||||
│ │ ├── template_admin
|
||||
│ │ └── template_welcome
|
||||
│ ├── list2
|
||||
│ │ ├── .certs
|
||||
│ │ │ ├── list2@your.domain.crt
|
||||
│ │ │ ├── subscr2-1@subscr1.domain.crt
|
||||
│ │ │ ├── subscr2-2@subscr2.domain.crt
|
||||
│ │ │ ├── admin2@other.domain.crt
|
||||
│ │ ├── .git
|
||||
│ │ ├── .gnupg
|
||||
│ │ │ └── pubring.kbx
|
||||
│ │ ├── list.yaml
|
||||
│ │ ├── template_admin
|
||||
│ │ └── template_welcome
|
||||
├── lock
|
||||
├── maildir
|
||||
│ ├── cur
|
||||
│ ├── new
|
||||
│ └── tmp
|
||||
├── maildir.frozen
|
||||
│ ├── cur
|
||||
│ ├── new
|
||||
│ └── tmp
|
||||
└── remail.yaml
|
||||
|
||||
The base directory contains:
|
||||
|
||||
- The main configuration file (remail.yaml).
|
||||
|
||||
- The S/MIME directory (.certs).
|
||||
|
||||
.. warning:: It contains the private S/MIME keys of the lists.
|
||||
|
||||
- The GPG directory (.gnupg).
|
||||
|
||||
.. warning:: It contains the private GPG keys of the lists.
|
||||
|
||||
- The maildir directory to which the incoming mail gets delivered by a
|
||||
MTA or MRA.
|
||||
|
||||
- The maildir.frozen directory to which unprocessed or failed mail
|
||||
gets moved to.
|
||||
|
||||
- A lock file which can be used to protect a reload against a concurrent
|
||||
configuration update.
|
||||
|
||||
- The lists directory under which the list specific configuration directories
|
||||
are located.
|
||||
|
||||
The list directories contain:
|
||||
|
||||
- The list configuration file (list.yaml)
|
||||
|
||||
- The S/MIME directory (.certs). It contains the public S/MIME keys of the
|
||||
list subscribers and of the list itself.
|
||||
|
||||
- The GPG directory (.gnupg). It contains the public GPG keys of the list
|
||||
subscribers and of the list itself.
|
||||
|
||||
|
||||
Base configuration items
|
||||
------------------------
|
||||
|
||||
The structure of the base configuration file is::
|
||||
|
||||
.. code-block:: yaml
|
||||
|
||||
enabled: False
|
||||
use_smtp: False
|
||||
smime:
|
||||
...
|
||||
gpg:
|
||||
...
|
||||
lists:
|
||||
list1:
|
||||
enabled: True
|
||||
moderated: True
|
||||
archive:
|
||||
...
|
||||
listaccount:
|
||||
...
|
||||
admins:
|
||||
ad1@min.domain:
|
||||
...
|
||||
adN@min.domain:
|
||||
...
|
||||
listN:
|
||||
...
|
||||
|
||||
Base items:
|
||||
^^^^^^^^^^^
|
||||
|
||||
.. code-block:: yaml
|
||||
|
||||
enabled: False
|
||||
use_smtp: False
|
||||
|
||||
enabled:
|
||||
|
||||
Optional item to enable or disable the daemon. If the item is set to
|
||||
False then no other options are evaluated and the daemon sleeps waiting
|
||||
for termination or reconfiguration. If True, the rest or the options is
|
||||
evaluated.
|
||||
|
||||
Optional item which defaults to False
|
||||
|
||||
use_smtp:
|
||||
|
||||
Set to True to enable mail delivery via SMTP to the SMTP server on
|
||||
localhost. The SMTP server is responsible for relaying the mails to a
|
||||
public mail server. remail does not implement any other transport for
|
||||
outgoing mail and the target server is therefore not configurable.
|
||||
|
||||
If False the encrypted mails are delivered to stdout. That's mainly a
|
||||
development option which is not meant for production use.
|
||||
|
||||
Optional time which defaults to False
|
||||
|
||||
|
||||
S/MIME options:
|
||||
^^^^^^^^^^^^^^^
|
||||
|
||||
.. code-block:: yaml
|
||||
|
||||
smime:
|
||||
verify: True
|
||||
sign: True
|
||||
|
||||
verify:
|
||||
|
||||
When handling S/MIME encrypted mail then the validity of the senders key
|
||||
is by default verified against the CA certs. If set to False this
|
||||
verification is disabled. Disable this only in extreme situations and
|
||||
consider the consequences.
|
||||
|
||||
sign:
|
||||
|
||||
Sign the mails sent to S/MIME recipients with the lists key. Enabled by
|
||||
default as this is the recommended way to send S/MIME mail. If disabled
|
||||
then the public certificate of the list is not part of the welcome
|
||||
message which is sent to new recipients.
|
||||
|
||||
GPG options:
|
||||
^^^^^^^^^^^^
|
||||
|
||||
.. code-block:: yaml
|
||||
|
||||
gpg:
|
||||
always_trust: True
|
||||
sign: True
|
||||
|
||||
always_trust:
|
||||
|
||||
The public keyring of a list is managed by the list administrator. To
|
||||
avoid having to manually tweak the trust DB, it's possible to force
|
||||
trust mode on the keyring with this option. Defaults to True as the
|
||||
trust establishment is the responsibility of the list administrator
|
||||
anyway and setting this to True avoids a lot of pointless manual
|
||||
operations.
|
||||
|
||||
sign:
|
||||
|
||||
Sign the mails sent to GPG recipients with the lists key. Enabled by
|
||||
default as this is the recommended way to send GPG mail. If disabled then
|
||||
the public key of the list is not part of the welcome message which is
|
||||
sent to new recipients.
|
||||
|
||||
The mailing lists collection:
|
||||
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
||||
.. code-block:: yaml
|
||||
|
||||
lists:
|
||||
listname:
|
||||
...
|
||||
listname:
|
||||
|
||||
lists:
|
||||
|
||||
The opening of the lists map.
|
||||
|
||||
The list base configuration:
|
||||
^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
||||
The list base configuration for each list consists of the following items:
|
||||
|
||||
.. code-block:: yaml
|
||||
|
||||
listname:
|
||||
enabled: True
|
||||
moderated: True
|
||||
archive:
|
||||
...
|
||||
listaccount:
|
||||
...
|
||||
admins:
|
||||
...
|
||||
|
||||
The list base items:
|
||||
""""""""""""""""""""
|
||||
|
||||
.. code-block:: yaml
|
||||
|
||||
listname:
|
||||
enabled: True
|
||||
moderated: True
|
||||
|
||||
enabled:
|
||||
|
||||
If False, the list configuration is disabled. No mail is delivered to this
|
||||
list. If True, the list is enabled.
|
||||
|
||||
moderated:
|
||||
|
||||
Optional item to set the list to moderated. It True only subscribers
|
||||
are allowed to post to the list either from their subscription address
|
||||
or from one of the optional alias mail addresses which are associated
|
||||
with a subscriber. Mails from non-subscribers are not delivered to the
|
||||
list, they are delivered to the list administrator
|
||||
|
||||
The archive section:
|
||||
""""""""""""""""""""
|
||||
|
||||
.. code-block:: yaml
|
||||
|
||||
archive:
|
||||
use_maildir: True
|
||||
archive_incoming: True
|
||||
archive_plain: False
|
||||
|
||||
use_maildir:
|
||||
|
||||
If True, maildir is the storage format for enabled archives. If False,
|
||||
mbox is used.
|
||||
|
||||
archive_incoming:
|
||||
|
||||
If True archive the incoming encrypted mails in the selected storage
|
||||
format. The maildir folder name is archive_incoming/. The mbox name is
|
||||
archive_incoming.mbox. These files/directories are located in the per
|
||||
mailing list configuration/work directory.
|
||||
|
||||
archive_plain:
|
||||
|
||||
If True archive the decrypted mails in the selected storage format. The
|
||||
mails are archived in two stores:
|
||||
|
||||
- archive_admin[.mbox] for mails which are directed to the list admins
|
||||
either directly or through bounce catching, moderation etc.
|
||||
|
||||
- archive_list[.mbox] for mails which are delivered to the list
|
||||
|
||||
The list account section:
|
||||
"""""""""""""""""""""""""
|
||||
|
||||
.. code-block:: yaml
|
||||
|
||||
listaccount:
|
||||
list@mail.domain:
|
||||
name: Clear text name
|
||||
fingerprint: 40CHARACTERFINGERPRINT
|
||||
|
||||
The list account's e-mail address is the key item for the name and
|
||||
fingerprint options.
|
||||
|
||||
name:
|
||||
|
||||
A clear text name for the list, e.g. incident-17 or whatever sensible
|
||||
name is selected. This name is used in From mangling when a list post
|
||||
is sent to the subscribers:
|
||||
|
||||
incident-17 for Joe Poster <list@mail.domain>
|
||||
|
||||
From rewriting is used to ensure that replies go only to the list and
|
||||
not to some other place. The Reply-To field could be used as well but
|
||||
that is not correctly handled by mail clients and users can force
|
||||
reply to all nevertheless.
|
||||
|
||||
fingerprint:
|
||||
|
||||
The full 40 character PGP fingerprint of the list key.
|
||||
|
||||
.. _list_admin_section:
|
||||
|
||||
The list administrators section:
|
||||
""""""""""""""""""""""""""""""""
|
||||
|
||||
.. code-block:: yaml
|
||||
|
||||
admins:
|
||||
admin1@some.domain:
|
||||
name: Clear text name
|
||||
fingerprint: 40CHARACTERFINGERPRINT
|
||||
enabled: True
|
||||
use_smime: False
|
||||
gpg_plain: False
|
||||
admin2@other.domain:
|
||||
|
||||
name:
|
||||
|
||||
The real user name. Mandatory field
|
||||
|
||||
fingerprint:
|
||||
|
||||
The full 40 character PGP fingerprint of the administrators
|
||||
key. Mandatory if the use_smime option is not set.
|
||||
|
||||
enabled:
|
||||
|
||||
Switch to enable/disable the account. Mandatory item.
|
||||
|
||||
use_smime:
|
||||
|
||||
Send S/MIME encrypted mail to the admin if True. Otherwise use
|
||||
PGP. Optional, defaults to False.
|
||||
|
||||
gpg_plain:
|
||||
|
||||
If False send mail in the application/pgp-encrypted format. If True
|
||||
use the plain/text embedded PGP variant if possible. The latter does
|
||||
not work for mails with attachments but for normal plain/text
|
||||
conversation this can be requested by a recipient because that's
|
||||
better supported in some mail clients. Optional, defaults to False.
|
||||
|
||||
List configuration items
|
||||
------------------------
|
||||
|
||||
The structure of a list specific configuration file is::
|
||||
|
||||
.. code-block:: yaml
|
||||
|
||||
subscribers:
|
||||
subscriber1@some.domain:
|
||||
...
|
||||
subscriberN@other.domain:
|
||||
...
|
||||
|
||||
|
||||
The configuration of the subscribers is identical to the configuration of
|
||||
:ref:`the list administrators section <list_admin_section>` above, but it
|
||||
allows one additional field:
|
||||
|
||||
.. code-block:: yaml
|
||||
|
||||
subscribers:
|
||||
subscriber1@some.domain:
|
||||
...
|
||||
aliases:
|
||||
- subscr1@some.domain
|
||||
- subscriber1@other.domain
|
||||
|
||||
aliases:
|
||||
|
||||
The optional aliases item is a list of alias email addresses for a
|
||||
subscriber. List mail is always delivered to the subscriber e-mail
|
||||
address, but people have often several e-mail addresses covered by
|
||||
the same PGP key and post from various addresses. If the list is
|
||||
moderated, then the aliases allow posting for subscribers from their
|
||||
registered alias addresses. If moderation is disabled the alias list
|
||||
is not used at all.
|
||||
|
||||
|
||||
See also
|
||||
--------
|
||||
:manpage:`remail_daemon(1)`
|
||||
:manpage:`remail_chkcfg(1)`
|
||||
|
||||
97
Documentation/operation.rst
Normal file
97
Documentation/operation.rst
Normal file
|
|
@ -0,0 +1,97 @@
|
|||
.. SPDX-License-Identifier: GPL-2.0
|
||||
|
||||
.. _remail_operation:
|
||||
|
||||
remail operation related information
|
||||
====================================
|
||||
|
||||
Mails to list administrators
|
||||
----------------------------
|
||||
|
||||
remail sends mail to the list administrators in case of failures or email
|
||||
related issues. The mails are either incoming mails or mails composed from
|
||||
the template_admin file.
|
||||
|
||||
The mail subject is marked with a prefix depending on the nature of the
|
||||
issue:
|
||||
|
||||
- [MODERATED]
|
||||
|
||||
The mail which is sent to the moderator is an incoming list mail from a
|
||||
non-subscribed sender. Subject and content are kept intact. The mail is
|
||||
sent encrypted.
|
||||
|
||||
- [AUTOREPLY]
|
||||
|
||||
Auto-replies like out of office notifications are catched and forwarded
|
||||
to the list administrator. There is no policy to disable subscribers
|
||||
built in. This has to be handled by the administrator.
|
||||
|
||||
- [TEMPFAIL]
|
||||
|
||||
Temporary delivery failures which are bounced back from a MTA. The
|
||||
affected subscriber account is not disabled. This is informational.
|
||||
|
||||
- [FROZEN]
|
||||
|
||||
A permanent delivery failure or a encryption problem happened.
|
||||
|
||||
The affected subscriber account is frozen due to that. See
|
||||
:ref:`subscriber_status` below.
|
||||
|
||||
- Subject taken from the template_admin file
|
||||
|
||||
Mails which are composed from the template file contain internal error
|
||||
information about issues which the mail processing triggered. Likely
|
||||
causes are encryption/decryption failures.
|
||||
|
||||
Fatal issues in the list daemon like failures to connect to the local host
|
||||
SMTP daemon, file system errors or bugs in the list code which trigger an
|
||||
exception are not sent to the administrators of a mailing list. These
|
||||
issues are reported verbosely in syslog and the base administrator needs to
|
||||
take care of them.
|
||||
|
||||
.. _subscriber_status:
|
||||
|
||||
Subscriber status
|
||||
-----------------
|
||||
|
||||
remail has subscriber state tracking for each mailing list. The tracking
|
||||
status is maintained in the file tracking.yaml which is managed by remail
|
||||
in the mailing list specific directory.
|
||||
|
||||
The states are stored in a subscriber email-address mapping. The possible
|
||||
states are:
|
||||
|
||||
- DISABLED
|
||||
|
||||
The subscriber is disabled in the configuration file.
|
||||
|
||||
- REGISTERED
|
||||
|
||||
The subscriber is enabled in the configuration file, but no welcome
|
||||
mail has been sent to the subscriber.
|
||||
|
||||
- ENABLED
|
||||
|
||||
The subscriber is enabled in the configuration file. The welcome
|
||||
mail has been sent to the subscriber.
|
||||
|
||||
- FROZEN
|
||||
|
||||
The subscriber is enabled in the configuration file, but the account is
|
||||
frozen due to a permanent delivery failure or an internal encryption
|
||||
problem.
|
||||
|
||||
Unfreeze
|
||||
^^^^^^^^
|
||||
|
||||
To unfreeze a subscriber the subscriber account has to be disabled in the
|
||||
list configuration file and the list daemon configuration has to be
|
||||
reloaded. After this the subscriber state is set to DISABLED. Re-enabling
|
||||
the subscriber in the configuration file and reloading the daemon
|
||||
configuration re-enables the account.
|
||||
|
||||
This is a bit tedious and could be handled by a command mail which is sent
|
||||
from the list administrator to the list, but that's not yet implemented.
|
||||
|
||||
921
Documentation/remail.svg
Normal file
921
Documentation/remail.svg
Normal file
|
|
@ -0,0 +1,921 @@
|
|||
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
|
||||
<svg
|
||||
xmlns:ooo="http://xml.openoffice.org/svg/export"
|
||||
xmlns:dc="http://purl.org/dc/elements/1.1/"
|
||||
xmlns:cc="http://creativecommons.org/ns#"
|
||||
xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
|
||||
xmlns:svg="http://www.w3.org/2000/svg"
|
||||
xmlns="http://www.w3.org/2000/svg"
|
||||
xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
|
||||
xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
|
||||
version="1.2"
|
||||
width="220.50999mm"
|
||||
height="120.78222mm"
|
||||
viewBox="0 0 22050.999 12078.222"
|
||||
preserveAspectRatio="xMidYMid"
|
||||
xml:space="preserve"
|
||||
id="svg1624"
|
||||
sodipodi:docname="remail.svg"
|
||||
style="fill-rule:evenodd;stroke-width:28.22200012;stroke-linejoin:round"
|
||||
inkscape:version="0.92.4 (5da689c313, 2019-01-14)"><metadata
|
||||
id="metadata1628"><rdf:RDF><cc:Work
|
||||
rdf:about=""><dc:format>image/svg+xml</dc:format><dc:type
|
||||
rdf:resource="http://purl.org/dc/dcmitype/StillImage" /><dc:title></dc:title></cc:Work></rdf:RDF></metadata><sodipodi:namedview
|
||||
pagecolor="#ffffff"
|
||||
bordercolor="#666666"
|
||||
borderopacity="1"
|
||||
objecttolerance="10"
|
||||
gridtolerance="10"
|
||||
guidetolerance="10"
|
||||
inkscape:pageopacity="0"
|
||||
inkscape:pageshadow="2"
|
||||
inkscape:window-width="1920"
|
||||
inkscape:window-height="1027"
|
||||
id="namedview1626"
|
||||
showgrid="false"
|
||||
inkscape:zoom="1.0570734"
|
||||
inkscape:cx="415.74803"
|
||||
inkscape:cy="285.88766"
|
||||
inkscape:window-x="0"
|
||||
inkscape:window-y="0"
|
||||
inkscape:window-maximized="1"
|
||||
inkscape:current-layer="svg1624"
|
||||
fit-margin-top="0"
|
||||
fit-margin-left="0"
|
||||
fit-margin-right="0"
|
||||
fit-margin-bottom="0" />
|
||||
<defs
|
||||
class="ClipPathGroup"
|
||||
id="defs1265">
|
||||
<clipPath
|
||||
id="presentation_clip_path"
|
||||
clipPathUnits="userSpaceOnUse">
|
||||
<rect
|
||||
x="0"
|
||||
y="0"
|
||||
width="29700"
|
||||
height="21000"
|
||||
id="rect1259" />
|
||||
</clipPath>
|
||||
<clipPath
|
||||
id="presentation_clip_path_shrink"
|
||||
clipPathUnits="userSpaceOnUse">
|
||||
<rect
|
||||
x="29"
|
||||
y="21"
|
||||
width="29641"
|
||||
height="20958"
|
||||
id="rect1262" />
|
||||
</clipPath>
|
||||
</defs>
|
||||
<defs
|
||||
id="defs1332">
|
||||
<font
|
||||
id="EmbeddedFont_1"
|
||||
horiz-adv-x="2048"
|
||||
horiz-origin-x="0"
|
||||
horiz-origin-y="0"
|
||||
vert-origin-x="45"
|
||||
vert-origin-y="90"
|
||||
vert-adv-y="90">
|
||||
<font-face
|
||||
font-family="Liberation Sans embedded"
|
||||
units-per-em="2048"
|
||||
font-weight="normal"
|
||||
font-style="normal"
|
||||
ascent="1852"
|
||||
descent="423"
|
||||
id="font-face1267" />
|
||||
<missing-glyph
|
||||
horiz-adv-x="2048"
|
||||
d="M 0,0 L 2047,0 2047,2047 0,2047 0,0 Z"
|
||||
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|
||||
<glyph
|
||||
unicode="v"
|
||||
horiz-adv-x="1033"
|
||||
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|
||||
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|
||||
<glyph
|
||||
unicode="u"
|
||||
horiz-adv-x="874"
|
||||
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|
||||
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|
||||
<glyph
|
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unicode="t"
|
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horiz-adv-x="531"
|
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|
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|
||||
<glyph
|
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unicode="s"
|
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horiz-adv-x="901"
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|
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<glyph
|
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|
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|
||||
<glyph
|
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unicode="o"
|
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horiz-adv-x="980"
|
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<glyph
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After Width: | Height: | Size: 33 KiB |
266
LICENSES/GPL-2.0
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266
LICENSES/GPL-2.0
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@ -0,0 +1,266 @@
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Valid-License-Identifier: GPL-2.0-only
|
||||
Valid-License-Identifier: GPL-2.0-or-later
|
||||
SPDX-URL: https://spdx.org/licenses/GPL-2.0-only.html
|
||||
Usage-Guide:
|
||||
To use this license in source code, put one of the following SPDX
|
||||
tag/value pairs into a comment according to the placement
|
||||
guidelines in the licensing rules documentation.
|
||||
For 'GNU General Public License (GPL) version 2 only' use:
|
||||
SPDX-License-Identifier: GPL-2.0-only
|
||||
For 'GNU General Public License (GPL) version 2 or any later version' use:
|
||||
SPDX-License-Identifier: GPL-2.0-or-later
|
||||
License-Text:
|
||||
|
||||
GNU GENERAL PUBLIC LICENSE
|
||||
Version 2, June 1991
|
||||
|
||||
Copyright (C) 1989, 1991 Free Software Foundation, Inc.
|
||||
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
|
||||
|
||||
Everyone is permitted to copy and distribute verbatim copies
|
||||
of this license document, but changing it is not allowed.
|
||||
|
||||
Preamble
|
||||
|
||||
The licenses for most software are designed to take away your freedom to share
|
||||
and change it. By contrast, the GNU General Public License is intended to
|
||||
guarantee your freedom to share and change free software--to make sure the
|
||||
software is free for all its users. This General Public License applies to most
|
||||
of the Free Software Foundation's software and to any other program whose
|
||||
authors commit to using it. (Some other Free Software Foundation software is
|
||||
covered by the GNU Lesser General Public License instead.) You can apply it to
|
||||
your programs, too.
|
||||
|
||||
When we speak of free software, we are referring to freedom, not price. Our
|
||||
General Public Licenses are designed to make sure that you have the freedom to
|
||||
distribute copies of free software (and charge for this service if you wish),
|
||||
that you receive source code or can get it if you want it, that you can change
|
||||
the software or use pieces of it in new free programs; and that you know you
|
||||
can do these things.
|
||||
|
||||
To protect your rights, we need to make restrictions that forbid anyone to deny
|
||||
you these rights or to ask you to surrender the rights. These restrictions
|
||||
translate to certain responsibilities for you if you distribute copies of the
|
||||
software, or if you modify it.
|
||||
|
||||
For example, if you distribute copies of such a program, whether gratis or for
|
||||
a fee, you must give the recipients all the rights that you have. You must make
|
||||
sure that they, too, receive or can get the source code. And you must show them
|
||||
these terms so they know their rights.
|
||||
We protect your rights with two steps: (1) copyright the software, and (2)
|
||||
offer you this license which gives you legal permission to copy, distribute
|
||||
and/or modify the software.
|
||||
|
||||
Also, for each author's protection and ours, we want to make certain that
|
||||
everyone understands that there is no warranty for this free software. If the
|
||||
software is modified by someone else and passed on, we want its recipients to
|
||||
know that what they have is not the original, so that any problems introduced
|
||||
by others will not reflect on the original authors' reputations.
|
||||
|
||||
Finally, any free program is threatened constantly by software patents. We wish
|
||||
to avoid the danger that redistributors of a free program will individually
|
||||
obtain patent licenses, in effect making the program proprietary. To prevent
|
||||
this, we have made it clear that any patent must be licensed for everyone's
|
||||
free use or not licensed at all.
|
||||
|
||||
The precise terms and conditions for copying, distribution and modification
|
||||
follow.
|
||||
|
||||
TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
|
||||
|
||||
0. This License applies to any program or other work which contains a notice
|
||||
placed by the copyright holder saying it may be distributed under the terms of
|
||||
this General Public License. The "Program", below, refers to any such program
|
||||
or work, and a "work based on the Program" means either the Program or any
|
||||
derivative work under copyright law: that is to say, a work containing the
|
||||
Program or a portion of it, either verbatim or with modifications and/or
|
||||
translated into another language. (Hereinafter, translation is included without
|
||||
limitation in the term "modification".) Each licensee is addressed as "you".
|
||||
Activities other than copying, distribution and modification are not covered by
|
||||
this License; they are outside its scope. The act of running the Program is not
|
||||
restricted, and the output from the Program is covered only if its contents
|
||||
constitute a work based on the Program (independent of having been made by
|
||||
running the Program). Whether that is true depends on what the Program does.
|
||||
|
||||
1. You may copy and distribute verbatim copies of the Program's source code as
|
||||
you receive it, in any medium, provided that you conspicuously and
|
||||
appropriately publish on each copy an appropriate copyright notice and
|
||||
disclaimer of warranty; keep intact all the notices that refer to this License
|
||||
and to the absence of any warranty; and give any other recipients of the
|
||||
Program a copy of this License along with the Program.
|
||||
You may charge a fee for the physical act of transferring a copy, and you may
|
||||
at your option offer warranty protection in exchange for a fee.
|
||||
|
||||
2. You may modify your copy or copies of the Program or any portion of it, thus
|
||||
forming a work based on the Program, and copy and distribute such modifications
|
||||
or work under the terms of Section 1 above, provided that you also meet all of
|
||||
these conditions:
|
||||
|
||||
a) You must cause the modified files to carry prominent notices stating
|
||||
that you changed the files and the date of any change.
|
||||
|
||||
b) You must cause any work that you distribute or publish, that in whole
|
||||
or in part contains or is derived from the Program or any part thereof,
|
||||
to be licensed as a whole at no charge to all third parties under the
|
||||
terms of this License.
|
||||
|
||||
c) If the modified program normally reads commands interactively when
|
||||
run, you must cause it, when started running for such interactive use in
|
||||
the most ordinary way, to print or display an announcement including an
|
||||
appropriate copyright notice and a notice that there is no warranty (or
|
||||
else, saying that you provide a warranty) and that users may redistribute
|
||||
the program under these conditions, and telling the user how to view a
|
||||
copy of this License. (Exception: if the Program itself is interactive
|
||||
but does not normally print such an announcement, your work based on the
|
||||
Program is not required to print an announcement.)
|
||||
|
||||
These requirements apply to the modified work as a whole. If identifiable
|
||||
sections of that work are not derived from the Program, and can be reasonably
|
||||
considered independent and separate works in themselves, then this License, and
|
||||
its terms, do not apply to those sections when you distribute them as separate
|
||||
works. But when you distribute the same sections as part of a whole which is a
|
||||
work based on the Program, the distribution of the whole must be on the terms
|
||||
of this License, whose permissions for other licensees extend to the entire
|
||||
whole, and thus to each and every part regardless of who wrote it.
|
||||
Thus, it is not the intent of this section to claim rights or contest your
|
||||
rights to work written entirely by you; rather, the intent is to exercise the
|
||||
right to control the distribution of derivative or collective works based on
|
||||
the Program.
|
||||
|
||||
In addition, mere aggregation of another work not based on the Program with the
|
||||
Program (or with a work based on the Program) on a volume of a storage or
|
||||
distribution medium does not bring the other work under the scope of this
|
||||
License.
|
||||
|
||||
3. You may copy and distribute the Program (or a work based on it, under
|
||||
Section 2) in object code or executable form under the terms of Sections 1 and
|
||||
2 above provided that you also do one of the following:
|
||||
|
||||
a) Accompany it with the complete corresponding machine-readable source
|
||||
code, which must be distributed under the terms of Sections 1 and 2 above
|
||||
on a medium customarily used for software interchange; or,
|
||||
|
||||
b) Accompany it with a written offer, valid for at least three years, to
|
||||
give any third party, for a charge no more than your cost of physically
|
||||
performing source distribution, a complete machine-readable copy of the
|
||||
corresponding source code, to be distributed under the terms of Sections
|
||||
1 and 2 above on a medium customarily used for software interchange; or,
|
||||
|
||||
c) Accompany it with the information you received as to the offer to
|
||||
distribute corresponding source code. (This alternative is allowed only
|
||||
for noncommercial distribution and only if you received the program in
|
||||
object code or executable form with such an offer, in accord with
|
||||
Subsection b above.)
|
||||
|
||||
The source code for a work means the preferred form of the work for making
|
||||
modifications to it. For an executable work, complete source code means all the
|
||||
source code for all modules it contains, plus any associated interface
|
||||
definition files, plus the scripts used to control compilation and installation
|
||||
of the executable. However, as a special exception, the source code distributed
|
||||
need not include anything that is normally distributed (in either source or
|
||||
binary form) with the major components (compiler, kernel, and so on) of the
|
||||
operating system on which the executable runs, unless that component itself
|
||||
accompanies the executable.
|
||||
|
||||
If distribution of executable or object code is made by offering access to copy
|
||||
from a designated place, then offering equivalent access to copy the source
|
||||
code from the same place counts as distribution of the source code, even though
|
||||
third parties are not compelled to copy the source along with the object code.
|
||||
|
||||
4. You may not copy, modify, sublicense, or distribute the Program except as
|
||||
expressly provided under this License. Any attempt otherwise to copy, modify,
|
||||
sublicense or distribute the Program is void, and will automatically terminate
|
||||
your rights under this License. However, parties who have received copies, or
|
||||
rights, from you under this License will not have their licenses terminated so
|
||||
long as such parties remain in full compliance.
|
||||
|
||||
5. You are not required to accept this License, since you have not signed it.
|
||||
However, nothing else grants you permission to modify or distribute the Program
|
||||
or its derivative works. These actions are prohibited by law if you do not
|
||||
accept this License. Therefore, by modifying or distributing the Program (or
|
||||
any work based on the Program), you indicate your acceptance of this License to
|
||||
do so, and all its terms and conditions for copying, distributing or modifying
|
||||
the Program or works based on it.
|
||||
|
||||
6. Each time you redistribute the Program (or any work based on the Program),
|
||||
the recipient automatically receives a license from the original licensor to
|
||||
copy, distribute or modify the Program subject to these terms and conditions.
|
||||
You may not impose any further restrictions on the recipients' exercise of the
|
||||
rights granted herein. You are not responsible for enforcing compliance by
|
||||
third parties to this License.
|
||||
|
||||
7. If, as a consequence of a court judgment or allegation of patent
|
||||
infringement or for any other reason (not limited to patent issues), conditions
|
||||
are imposed on you (whether by court order, agreement or otherwise) that
|
||||
contradict the conditions of this License, they do not excuse you from the
|
||||
conditions of this License. If you cannot distribute so as to satisfy
|
||||
simultaneously your obligations under this License and any other pertinent
|
||||
obligations, then as a consequence you may not distribute the Program at all.
|
||||
|
||||
For example, if a patent license would not permit royalty-free redistribution
|
||||
of the Program by all those who receive copies directly or indirectly through
|
||||
you, then the only way you could satisfy both it and this License would be to
|
||||
refrain entirely from distribution of the Program.
|
||||
|
||||
If any portion of this section is held invalid or unenforceable under any
|
||||
particular circumstance, the balance of the section is intended to apply and
|
||||
the section as a whole is intended to apply in other circumstances.
|
||||
It is not the purpose of this section to induce you to infringe any patents or
|
||||
other property right claims or to contest validity of any such claims; this
|
||||
section has the sole purpose of protecting the integrity of the free software
|
||||
distribution system, which is implemented by public license practices. Many
|
||||
people have made generous contributions to the wide range of software
|
||||
distributed through that system in reliance on consistent application of that
|
||||
system; it is up to the author/donor to decide if he or she is willing to
|
||||
distribute software through any other system and a licensee cannot impose that
|
||||
choice.
|
||||
|
||||
This section is intended to make thoroughly clear what is believed to be a
|
||||
consequence of the rest of this License.
|
||||
|
||||
8. If the distribution and/or use of the Program is restricted in certain
|
||||
countries either by patents or by copyrighted interfaces, the original
|
||||
copyright holder who places the Program under this License may add an explicit
|
||||
geographical distribution limitation excluding those countries, so that
|
||||
distribution is permitted only in or among countries not thus excluded. In such
|
||||
case, this License incorporates the limitation as if written in the body of
|
||||
this License.
|
||||
|
||||
9. The Free Software Foundation may publish revised and/or new versions of the
|
||||
General Public License from time to time. Such new versions will be similar in
|
||||
spirit to the present version, but may differ in detail to address new problems
|
||||
or concerns.
|
||||
Each version is given a distinguishing version number. If the Program specifies
|
||||
a version number of this License which applies to it and "any later version",
|
||||
you have the option of following the terms and conditions either of that
|
||||
version or of any later version published by the Free Software Foundation. If
|
||||
the Program does not specify a version number of this License, you may choose
|
||||
any version ever published by the Free Software Foundation.
|
||||
10. If you wish to incorporate parts of the Program into other free programs
|
||||
whose distribution conditions are different, write to the author to ask for
|
||||
permission. For software which is copyrighted by the Free Software Foundation,
|
||||
write to the Free Software Foundation; we sometimes make exceptions for this.
|
||||
Our decision will be guided by the two goals of preserving the free status of
|
||||
all derivatives of our free software and of promoting the sharing and reuse of
|
||||
software generally.
|
||||
|
||||
NO WARRANTY
|
||||
|
||||
11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY FOR
|
||||
THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN OTHERWISE
|
||||
STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES PROVIDE THE
|
||||
PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED,
|
||||
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
|
||||
FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND
|
||||
PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU
|
||||
ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
|
||||
12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING WILL
|
||||
ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR REDISTRIBUTE THE
|
||||
PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
|
||||
GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR
|
||||
INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA
|
||||
BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A
|
||||
FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), EVEN IF SUCH HOLDER
|
||||
OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
|
||||
|
||||
END OF TERMS AND CONDITIONS
|
||||
17
README.md
Normal file
17
README.md
Normal file
|
|
@ -0,0 +1,17 @@
|
|||
# remail - A set of tools for crypted mailing lists
|
||||
|
||||
A simplistic but powerfull crypted mailing list tool set. The following
|
||||
tools are available:
|
||||
|
||||
remail_daemon - The crypto mailing list processor
|
||||
remail_chkcfg - Tool to check the configuration
|
||||
|
||||
## Install
|
||||
|
||||
It's recommended to generate the appropriate package for your system and
|
||||
install it via the package manager.
|
||||
|
||||
## Usage
|
||||
|
||||
See Documentation and man pages
|
||||
|
||||
0
__init__.py
Normal file
0
__init__.py
Normal file
0
remail/__init__.py
Normal file
0
remail/__init__.py
Normal file
344
remail/config.py
Normal file
344
remail/config.py
Normal file
|
|
@ -0,0 +1,344 @@
|
|||
#!/usr/bin/env python
|
||||
# SPDX-License-Identifier: GPL-2.0-only
|
||||
# Copyright Thomas Gleixner <tglx@linutronix.de>
|
||||
#
|
||||
# Configuration items
|
||||
|
||||
from remail.mail import email_addr_valid
|
||||
|
||||
import os
|
||||
|
||||
|
||||
class RemailException(Exception):
|
||||
pass
|
||||
|
||||
class RemailConfigException(RemailException):
|
||||
pass
|
||||
|
||||
class RemailListConfigException(RemailException):
|
||||
pass
|
||||
|
||||
def get_mandatory(key, cfgdict, base):
|
||||
res = cfgdict.get(key)
|
||||
if not res:
|
||||
txt = 'Missing config entry: %s.%s' % (base, key)
|
||||
raise RemailListConfigException(txt)
|
||||
return res
|
||||
|
||||
def get_optional(key, defdict, cfgdict):
|
||||
return cfgdict.get(key, defdict[key])
|
||||
|
||||
def set_defaults(obj, defdict, cfgdict):
|
||||
if not cfgdict:
|
||||
cfgdict = {}
|
||||
for key, val in defdict.items():
|
||||
val = cfgdict.get(key, val)
|
||||
setattr(obj, key, val)
|
||||
|
||||
def show_attrs(obj, attrdict, indent):
|
||||
for attr in attrdict:
|
||||
print('%*s%-40s: %s' %(indent, '', attr, getattr(obj, attr)))
|
||||
|
||||
account_defaults = {
|
||||
'enabled' : False,
|
||||
'fingerprint' : None,
|
||||
'use_smime' : False,
|
||||
'gpg_plain' : False,
|
||||
}
|
||||
|
||||
class account_config(object):
|
||||
def __init__(self, cfgdict, addr, base):
|
||||
base = base + '.addr'
|
||||
# Do at least minimal checks for a valid email address
|
||||
if not email_addr_valid(addr):
|
||||
txt = 'Invalid email address: %s' % base
|
||||
raise RemailListConfig_Exception(txt)
|
||||
|
||||
self.addr = addr
|
||||
self.name = get_mandatory('name', cfgdict, base)
|
||||
set_defaults(self, account_defaults, cfgdict)
|
||||
|
||||
# Get the optional aliases to allow sending from
|
||||
# different accounts when the list is moderated
|
||||
aliases = cfgdict.get('aliases')
|
||||
if not aliases:
|
||||
self.aliases = []
|
||||
else:
|
||||
self.aliases = aliases
|
||||
|
||||
def show(self, indent, all=True):
|
||||
print('%*s%-40s: %s' %(indent, '', self.name, self.addr))
|
||||
indent += 2
|
||||
if all:
|
||||
show_attrs(self, account_defaults, indent)
|
||||
txt = ''
|
||||
for alias in self.aliases:
|
||||
txt += '%s ' % alias
|
||||
print('%*s%-40s: %s' %(indent, '', 'aliases', txt))
|
||||
else:
|
||||
print('%*s%-40s: %s' %(indent, '', 'fingerprint', self.fingerprint))
|
||||
|
||||
class accounts_config(object):
|
||||
def __init__(self, cfgdict, base):
|
||||
self.accounts = {}
|
||||
for addr, cfg in cfgdict.items():
|
||||
account = account_config(cfg, addr, base)
|
||||
self.accounts[addr] = account
|
||||
|
||||
def __len__(self):
|
||||
return len(self.accounts)
|
||||
|
||||
def has_account(self, addr):
|
||||
for account in self.accounts.values():
|
||||
if account.addr == addr:
|
||||
return True
|
||||
if addr in account.aliases:
|
||||
return True
|
||||
return False
|
||||
|
||||
def get(self, addr):
|
||||
return self.accounts.get(addr)
|
||||
|
||||
def keys(self):
|
||||
return self.accounts.keys()
|
||||
|
||||
def values(self):
|
||||
return self.accounts.values()
|
||||
|
||||
def show(self, indent):
|
||||
for addr, acc in self.accounts.items():
|
||||
acc.show(indent)
|
||||
|
||||
def pop(self):
|
||||
addr, acc = self.accounts.popitem()
|
||||
return acc
|
||||
|
||||
def list_account_config(cfgdict, base):
|
||||
laccs = accounts_config(cfgdict, base)
|
||||
if len(laccs) != 1:
|
||||
txt = '% entry for %s' % base
|
||||
raise RemailListConfigException(txt)
|
||||
return laccs.pop()
|
||||
|
||||
def build_listheaders(mailaddr):
|
||||
addr, domain = mailaddr.split('@')
|
||||
headers = {}
|
||||
headers['List-Id'] = mailaddr
|
||||
headers['List-Owner'] = '<mailto:%s-owner@%s>' % (addr, domain)
|
||||
headers['List-Post'] = '<mailto:%s>' % mailaddr
|
||||
return headers
|
||||
|
||||
class destination(object):
|
||||
def __init__(self, toadmin, accounts):
|
||||
self.toadmin = toadmin
|
||||
self.accounts = accounts
|
||||
|
||||
class listaddrs(object):
|
||||
'''
|
||||
Build an object with the valid list addresses
|
||||
addr@domain, addr-owner@domain, addr-bounce@domain
|
||||
'''
|
||||
def __init__(self, mailaddr):
|
||||
addr, domain = mailaddr.split('@')
|
||||
self.post = mailaddr
|
||||
self.owner = '%s-owner@%s' % (addr, domain)
|
||||
self.bounce = '%s-bounce@%s' % (addr, domain)
|
||||
# Dictionary to lookup an incoming address
|
||||
# and to establish to which target it goes
|
||||
# Entry is true if the target is admins
|
||||
self.addrs = {}
|
||||
self.addrs[self.post] = False
|
||||
self.addrs[self.owner] = True
|
||||
self.addrs[self.bounce] = True
|
||||
|
||||
def get_destination(self, msgto, admins, subscribers):
|
||||
if not msgto in self.addrs.keys():
|
||||
return None
|
||||
|
||||
if self.addrs[msgto]:
|
||||
return destination(True, admins)
|
||||
return destination(False, subscribers)
|
||||
|
||||
def show(self, indent):
|
||||
print('%*slistaddrs:' %(indent, ''))
|
||||
indent += 2
|
||||
print('%*s%-40s: %s' %(indent, '', 'post', self.post))
|
||||
print('%*s%-40s: %s' %(indent, '', 'owner', self.owner))
|
||||
print('%*s%-40s: %s' %(indent, '', 'bounce', self.bounce))
|
||||
|
||||
class archive_config(object):
|
||||
def __init__(self, aopts, listdir):
|
||||
self.incoming = aopts.incoming
|
||||
self.plain = aopts.plain
|
||||
self.mdir = aopts.use_maildir
|
||||
if self.mdir:
|
||||
self.m_encr = os.path.join(listdir, 'archive_encr/')
|
||||
self.m_admin = os.path.join(listdir, 'archive_admin/')
|
||||
self.m_list = os.path.join(listdir, 'archive_list/')
|
||||
else:
|
||||
self.m_encr = os.path.join(listdir, 'archive_encr.mbox')
|
||||
self.m_admin = os.path.join(listdir, 'archive_admin.mbox')
|
||||
self.m_list = os.path.join(listdir, 'archive_list.mbox')
|
||||
|
||||
def show(self, indent):
|
||||
print('%*s%-40s: %s' % (indent, '', 'use_maildir', self.mdir))
|
||||
if self.incoming:
|
||||
print('%*s%-40s: %s' % (indent, '', 'incoming', self.m_encr))
|
||||
if self.plain:
|
||||
print('%*s%-40s: %s' % (indent, '', 'plain_admin', self.m_admin))
|
||||
print('%*s%-40s: %s' % (indent, '', 'plain_list', self.m_list))
|
||||
|
||||
smime_defaults = {
|
||||
'verify' : True,
|
||||
'sign' : True,
|
||||
}
|
||||
|
||||
class smime_config(object):
|
||||
def __init__(self, listdir, cfgdict):
|
||||
set_defaults(self, smime_defaults, cfgdict)
|
||||
self.global_certs = '.certs'
|
||||
self.ca_certs = os.path.join(self.global_certs, 'cacert.pem')
|
||||
self.list_certs = os.path.normpath(os.path.join(listdir, '.certs'))
|
||||
|
||||
def show(self, indent):
|
||||
print('%*sS/MIME:' % (indent, ''))
|
||||
indent += 2
|
||||
show_attrs(self, smime_defaults, indent)
|
||||
print('%*s%-40s: %s' %(indent, '', 'global_certs', self.global_certs))
|
||||
print('%*s%-40s: %s' %(indent, '', 'ca_certs', self.ca_certs))
|
||||
print('%*s%-40s: %s' %(indent, '', 'list_certs', self.list_certs))
|
||||
|
||||
gpg_defaults = {
|
||||
'always_trust' : True,
|
||||
'sign' : True,
|
||||
}
|
||||
|
||||
class gpg_config(object):
|
||||
def __init__(self, listdir, cfgdict):
|
||||
set_defaults(self, gpg_defaults, cfgdict)
|
||||
self.armor = True
|
||||
self.home = '.gnupg'
|
||||
self.keyring = os.path.join(listdir, '.gnupg', 'pubring.kbx')
|
||||
self.keyring = os.path.normpath(self.keyring)
|
||||
|
||||
def show(self, indent):
|
||||
print('%*sGPG:' % (indent, ''))
|
||||
indent += 2
|
||||
show_attrs(self, gpg_defaults, indent)
|
||||
print('%*s%-40s: %s' %(indent, '', 'home', self.home))
|
||||
print('%*s%-40s: %s' %(indent, '', 'keyring', self.keyring))
|
||||
|
||||
class tracking_config(object):
|
||||
def __init__(self, listdir):
|
||||
self.tracking_file = os.path.join(listdir, 'tracking.yaml')
|
||||
|
||||
def show(self, indent):
|
||||
print('%*s%-40s: %s' % (indent, '', 'tracking_file', self.tracking_file))
|
||||
|
||||
class template_config(object):
|
||||
def __init__(self, listdir):
|
||||
self.welcome = os.path.join(listdir, 'template_welcome')
|
||||
self.admin = os.path.join(listdir, 'template_admin')
|
||||
|
||||
def show(self, indent):
|
||||
print('%*stemplates:' % (indent, ''))
|
||||
indent += 2
|
||||
print('%*s%-40s: %s' %(indent, '', 'welcome', self.welcome))
|
||||
print('%*s%-40s: %s' %(indent, '', 'admin', self.admin))
|
||||
|
||||
archive_defaults = {
|
||||
'incoming' : True,
|
||||
'plain' : True,
|
||||
'use_maildir' : False,
|
||||
}
|
||||
|
||||
class archive_options(object):
|
||||
def __init__(self, cfgdict):
|
||||
set_defaults(self, archive_defaults, cfgdict)
|
||||
|
||||
list_defaults = {
|
||||
'enabled' : False,
|
||||
'moderated' : False,
|
||||
}
|
||||
|
||||
class list_config(object):
|
||||
def __init__(self, name, cfgdict):
|
||||
base = 'base.lists.%s' %name
|
||||
self.base = base
|
||||
self.name = name
|
||||
set_defaults(self, list_defaults, cfgdict)
|
||||
|
||||
self.listdir = os.path.join('lists', name)
|
||||
self.listcfg = os.path.join(self.listdir, 'list.yaml')
|
||||
self.tracking = tracking_config(self.listdir)
|
||||
self.templates = template_config(self.listdir)
|
||||
aopts = archive_options(cfgdict.get('archive', {}))
|
||||
self.archives = archive_config(aopts, self.listdir)
|
||||
|
||||
acc = get_mandatory('listaccount', cfgdict, base)
|
||||
self.listaccount = list_account_config(acc, base + '.listaccount')
|
||||
|
||||
self.listaddrs = listaddrs(self.listaccount.addr)
|
||||
self.listheaders = build_listheaders(self.listaccount.addr)
|
||||
|
||||
self.smime = smime_config(self.listdir, None)
|
||||
self.gpg = gpg_config(self.listdir, None)
|
||||
|
||||
self.admins = accounts_config(get_mandatory('admins', cfgdict, base),
|
||||
base)
|
||||
self.subscribers = accounts_config({}, base)
|
||||
|
||||
def config_subscribers(self, cfgdict):
|
||||
self.subscribers = accounts_config(cfgdict, self.base)
|
||||
|
||||
def show(self, indent):
|
||||
print('%*s%s' %(indent, '', self.name))
|
||||
indent += 2
|
||||
show_attrs(self, list_defaults, indent)
|
||||
print('%*s%-40s: %s' %(indent, '', 'listdir', self.listdir))
|
||||
print('%*s%-40s: %s' %(indent, '', 'listcfg', self.listcfg))
|
||||
self.tracking.show(indent)
|
||||
print('%*sarchive:' %(indent, ''))
|
||||
self.archives.show(indent + 2)
|
||||
self.smime.show(indent)
|
||||
self.gpg.show(indent)
|
||||
print('%*slistaccount:' %(indent, ''))
|
||||
self.listaccount.show(indent + 2, all=False)
|
||||
self.listaddrs.show(indent)
|
||||
print('%*slistheaders:' %(indent, ''))
|
||||
for h, v in self.listheaders.items():
|
||||
print('%*s%-40s: %s' % (indent + 2, '', h, v))
|
||||
|
||||
print('%*sadmins:' %(indent, ''))
|
||||
self.admins.show(indent + 2)
|
||||
print('%*ssubscribers:' %(indent, ''))
|
||||
self.subscribers.show(indent + 2)
|
||||
|
||||
main_defaults = {
|
||||
'enabled' : False,
|
||||
'use_smtp' : False,
|
||||
}
|
||||
|
||||
class main_config(object):
|
||||
def __init__(self, cfgdict):
|
||||
set_defaults(self, main_defaults, cfgdict)
|
||||
self.maildir = 'maildir'
|
||||
self.mailfrozen = 'maildir.frozen'
|
||||
self.lockfile = 'lock'
|
||||
|
||||
self.smime = smime_config('.', cfgdict.get('smime'))
|
||||
self.gpg = gpg_config('.', cfgdict.get('gpg'))
|
||||
|
||||
# Configure the lists
|
||||
self.lists = []
|
||||
for name, l in cfgdict.get('lists', {}).items():
|
||||
self.lists.append(list_config(name, l))
|
||||
|
||||
def show(self):
|
||||
show_attrs(self, main_defaults, 2)
|
||||
print(' %-40s: %s' %('maildir', self.maildir))
|
||||
self.smime.show(4)
|
||||
self.gpg.show(4)
|
||||
print(' lists:')
|
||||
for ml in self.lists:
|
||||
ml.show(4)
|
||||
202
remail/gpg.py
Normal file
202
remail/gpg.py
Normal file
|
|
@ -0,0 +1,202 @@
|
|||
#!/usr/bin/env python3
|
||||
# SPDX-License-Identifier: GPL-2.0-only
|
||||
# Copyright Thomas Gleixner <tglx@linutronix.de>
|
||||
#
|
||||
# GPG mail encryption/decryption
|
||||
|
||||
from remail.mail import msg_set_payload, msg_set_header
|
||||
from remail.mail import msg_get_payload_as_string
|
||||
from remail.mail import msg_from_string, msg_set_gpg_payload
|
||||
|
||||
import hashlib
|
||||
import string
|
||||
import gnupg
|
||||
import time
|
||||
import os
|
||||
|
||||
class RemailGPGException(Exception):
|
||||
pass
|
||||
|
||||
class RemailGPGKeyException(Exception):
|
||||
pass
|
||||
|
||||
class gpg_crypt(object):
|
||||
def __init__(self, gpgcfg, account, checkkey=True):
|
||||
self.config = gpgcfg
|
||||
self.account = account
|
||||
self.gpg = gnupg.GPG(gnupghome=self.config.home,
|
||||
keyring=self.config.keyring)
|
||||
self.keys = self.gpg.list_keys()
|
||||
|
||||
if not checkkey:
|
||||
return
|
||||
|
||||
self._check_key(self.keys, self.account)
|
||||
# Verify that the private key is there as well
|
||||
self._check_key(self.gpg.list_keys(True), self.account, private=True)
|
||||
|
||||
def _check_key_addr(self, key, addr):
|
||||
maddr = '<%s>' %addr
|
||||
maddr = maddr.lower()
|
||||
for uid in key['uids']:
|
||||
uid = uid.lower()
|
||||
if uid.find('<') >= 0:
|
||||
if uid.find(maddr) >= 0:
|
||||
return
|
||||
elif uid == addr:
|
||||
return
|
||||
|
||||
txt = 'Account address/alias %s' % addr
|
||||
txt += ' not in GPG key %s\nuids: ' % key['fingerprint']
|
||||
for uid in key['uids']:
|
||||
txt += ' %s' %uid
|
||||
raise RemailGPGKeyException(txt)
|
||||
|
||||
def _check_key_expiry(self, key, addr):
|
||||
exp = key['expires']
|
||||
if not exp:
|
||||
return
|
||||
now = time.time()
|
||||
if now < float(exp):
|
||||
return
|
||||
|
||||
txt = 'Account %s' % addr
|
||||
txt += ' GPG key %s expired' % key['fingerprint']
|
||||
raise RemailGPGKeyException(txt)
|
||||
|
||||
def _check_key(self, keys, account, private=False):
|
||||
for key in keys:
|
||||
if account.fingerprint != key['fingerprint']:
|
||||
continue
|
||||
|
||||
# Validate that it's the right one
|
||||
self._check_key_addr(key, account.addr)
|
||||
for alias in account.aliases:
|
||||
self._check_key_addr(key, alias)
|
||||
self._check_key_expiry(key, account.addr)
|
||||
return
|
||||
|
||||
if private:
|
||||
txt = 'No private key found for %s' % account.addr
|
||||
else:
|
||||
txt = 'No public key found for %s' % account.addr
|
||||
raise RemailGPGKeyException(txt)
|
||||
|
||||
def check_key(self, account):
|
||||
self._check_key(self.keys, account)
|
||||
|
||||
def do_encrypt(self, payload, fingerprints):
|
||||
''' Common encryption helper'''
|
||||
|
||||
enc = self.gpg.encrypt(payload, fingerprints, armor=self.config.armor,
|
||||
always_trust=self.config.always_trust,
|
||||
sign=self.config.sign)
|
||||
if enc.ok:
|
||||
return str(enc)
|
||||
raise RemailGPGException('Encryption fail: %s' % enc.status)
|
||||
|
||||
def gpg_encrypt(self, msg, account):
|
||||
''' Encrypt a message for a subscriber. Depending on the
|
||||
subscribers preference, inline it or use the enveloped
|
||||
version.
|
||||
'''
|
||||
|
||||
fingerprints = [str(account.fingerprint)]
|
||||
payload = msg.get_payload()
|
||||
|
||||
# GPG inline encryption magic
|
||||
|
||||
# Use plain GPG if requested by accoung and possible
|
||||
isplain = msg.get_content_type() == 'text/plain'
|
||||
if account.gpg_plain and type(payload) == str and isplain:
|
||||
encpl = self.do_encrypt(payload, fingerprints)
|
||||
msg_set_payload(msg, msg_from_string(encpl))
|
||||
return msg
|
||||
|
||||
# Extract payload for encryption
|
||||
payload = msg_get_payload_as_string(msg)
|
||||
encpl = self.do_encrypt(payload, fingerprints)
|
||||
msg_set_gpg_payload(msg, encpl, account.addr)
|
||||
return msg
|
||||
|
||||
def gpg_decrypt_plain(self, msg):
|
||||
'''
|
||||
Try to decrypt inline plain/text
|
||||
|
||||
If gpg decrypt returns 'no data was provided' treat the
|
||||
message as unencrypted plain text.
|
||||
'''
|
||||
pl = msg.get_payload(decode=True)
|
||||
plain = self.gpg.decrypt(pl, always_trust=self.config.always_trust)
|
||||
if plain.ok:
|
||||
msg_set_payload(msg, msg_from_string(str(plain)))
|
||||
if plain.signature_id:
|
||||
msg_set_header(msg, 'Signature-Id', plain.username)
|
||||
elif plain.status != 'no data was provided':
|
||||
# Check for an empty return path which is a good indicator
|
||||
# for a mail server message.
|
||||
rp = msg.get('Return-path')
|
||||
if rp and rp != '<>':
|
||||
raise RemailGPGException('Decryption failed: %s' % plain.status)
|
||||
return msg
|
||||
|
||||
def gpg_decrypt_enveloped(self, msg):
|
||||
'''
|
||||
Try to decrypt an enveloped mail
|
||||
'''
|
||||
contents = msg.get_payload()
|
||||
proto = msg.get_param('protocol')
|
||||
if proto != 'application/pgp-encrypted':
|
||||
raise RemailGPGException('PGP wrong protocol %s' % proto)
|
||||
if len(contents) != 2:
|
||||
raise RemailGPGException('PGP content length %d' % len(contents))
|
||||
ct = contents[0].get_content_type()
|
||||
if ct != 'application/pgp-encrypted':
|
||||
raise RemailGPGException('PGP wrong app type %s' % ct)
|
||||
ct = contents[1].get_content_type()
|
||||
if ct != 'application/octet-stream':
|
||||
raise RemailGPGException('PGP wrong app type %s' % ct)
|
||||
|
||||
plain = self.gpg.decrypt(contents[1].get_payload(decode=True),
|
||||
always_trust=self.config.always_trust)
|
||||
if not plain.ok:
|
||||
raise RemailGPGException('Decryption failed: %s' % plain.status)
|
||||
|
||||
if plain.signature_id:
|
||||
msg_set_header(msg, 'Signature-Id', plain.username)
|
||||
|
||||
pl = msg_from_string(str(plain))
|
||||
msg_set_payload(msg, pl)
|
||||
return msg
|
||||
|
||||
def decrypt(self, msg):
|
||||
'''
|
||||
Try to handle received mail with PGP. Return decoded or plain mail
|
||||
'''
|
||||
msgout = msg_from_string(msg.as_string())
|
||||
ct = msg.get_content_type()
|
||||
|
||||
if ct == 'text/plain':
|
||||
return self.gpg_decrypt_plain(msgout)
|
||||
|
||||
elif ct == 'multipart/encrypted':
|
||||
return self.gpg_decrypt_enveloped(msgout)
|
||||
|
||||
# There might be inline PGP with no mentioning in the content type
|
||||
if not msg.is_multipart():
|
||||
return msgout
|
||||
|
||||
payloads = msgout.get_payload()
|
||||
payldecr = []
|
||||
for pl in payloads:
|
||||
pl = self.decrypt(pl)
|
||||
payldecr.append(pl)
|
||||
msgout.set_payload(payldecr)
|
||||
return msgout
|
||||
|
||||
def encrypt(self, msg, account):
|
||||
'''
|
||||
Encrypt a message for a recipient
|
||||
'''
|
||||
return self.gpg_encrypt(msg, account)
|
||||
|
||||
462
remail/mail.py
Normal file
462
remail/mail.py
Normal file
|
|
@ -0,0 +1,462 @@
|
|||
#!/usr/bin/env python
|
||||
# SPDX-License-Identifier: GPL-2.0-only
|
||||
# Copyright Thomas Gleixner <tglx@linutronix.de>
|
||||
#
|
||||
# Mail message related code
|
||||
|
||||
from email.utils import make_msgid, formatdate
|
||||
from email.header import Header, decode_header
|
||||
from email import message_from_string, message_from_bytes
|
||||
from email.generator import Generator
|
||||
from email.message import Message, EmailMessage
|
||||
from email.policy import EmailPolicy
|
||||
|
||||
import smtplib
|
||||
import mailbox
|
||||
import hashlib
|
||||
import quopri
|
||||
import base64
|
||||
import time
|
||||
import sys
|
||||
import re
|
||||
|
||||
def sanitize_headers(msg):
|
||||
'''
|
||||
Sanitize headers by keeping only the ones which are interesting
|
||||
and order them as gmail is picky about that for no good reason.
|
||||
'''
|
||||
headers_order = [
|
||||
'Return-Path',
|
||||
'Date',
|
||||
'From',
|
||||
'To',
|
||||
'Subject',
|
||||
'In-Reply-To',
|
||||
'References',
|
||||
'User-Agent',
|
||||
'MIME-Version',
|
||||
'Charset',
|
||||
'Message-ID',
|
||||
'List-Id',
|
||||
'List-Post',
|
||||
'List-Owner',
|
||||
'Content-Type',
|
||||
'Content-Disposition',
|
||||
'Content-Transfer-Encoding',
|
||||
'Content-Language',
|
||||
'Envelope-to',
|
||||
]
|
||||
|
||||
# Get all headers and remove them from the message
|
||||
hdrs = msg.items()
|
||||
for k in msg.keys():
|
||||
del msg[k]
|
||||
|
||||
# Add the headers back in proper order
|
||||
for h in headers_order:
|
||||
for k, v in hdrs:
|
||||
if k.lower() == h.lower():
|
||||
msg[k] = v
|
||||
|
||||
def send_smtp(msg, to, sender):
|
||||
'''
|
||||
A dumb localhost only SMTP delivery mechanism. No point in trying
|
||||
to implement the world of SMTP again. KISS rules!
|
||||
|
||||
Any exception from the smtp transport is propagated to the caller
|
||||
'''
|
||||
to = msg['To']
|
||||
server = smtplib.SMTP('localhost')
|
||||
server.ehlo()
|
||||
server.send_message(msg, sender, [to])
|
||||
server.quit()
|
||||
|
||||
def msg_deliver(msg, account, mfrom, sender, use_smtp):
|
||||
'''
|
||||
Deliver the message. Replace or set the mandatory headers, sanitize
|
||||
and order them properly to make gmail happy.
|
||||
'''
|
||||
msg_set_header(msg, 'From', encode_addr(mfrom))
|
||||
msg_set_header(msg, 'To', encode_addr(account.addr))
|
||||
msg_set_header(msg, 'Return-path', sender)
|
||||
msg_set_header(msg, 'Envelope-to', get_raw_email_addr(account.addr))
|
||||
|
||||
sanitize_headers(msg)
|
||||
|
||||
# Set unixfrom with the current date/time
|
||||
msg.set_unixfrom('From remail ' + time.ctime(time.time()))
|
||||
|
||||
# Send it out
|
||||
mout = msg_from_string(msg.as_string().replace('\r\n', '\n'))
|
||||
if use_smtp:
|
||||
send_smtp(mout, account.addr, sender)
|
||||
else:
|
||||
print(msg.as_string())
|
||||
|
||||
def send_mail(msg_out, account, mfrom, sender, listheaders, use_smtp):
|
||||
'''
|
||||
Send mail to the account. Make sure that the message
|
||||
is correct and all required headers and only necessary
|
||||
headers are in the outgoing mail.
|
||||
'''
|
||||
# Add the list headers
|
||||
for key, val in listheaders.items():
|
||||
msg_out[key] = val
|
||||
|
||||
msg_deliver(msg_out, account, mfrom, sender, use_smtp)
|
||||
|
||||
# Minimal check for a valid email address
|
||||
re_mail = re.compile('^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$')
|
||||
|
||||
def email_addr_valid(addr):
|
||||
return re_mail.match(addr)
|
||||
|
||||
def get_raw_email_addr(addr):
|
||||
'''
|
||||
Return the raw mail address, name and brackets stripped off.
|
||||
'''
|
||||
try:
|
||||
return addr.split('<')[1].split('>')[0].strip()
|
||||
except:
|
||||
return addr
|
||||
|
||||
re_compress_space = re.compile('\s+')
|
||||
|
||||
def decode_hdr(hdr):
|
||||
'''
|
||||
Decode a mail header with encoding
|
||||
'''
|
||||
elm = decode_header(hdr.strip())
|
||||
res = ''
|
||||
for txt, enc in elm:
|
||||
# Groan ....
|
||||
if enc:
|
||||
res += ' ' + txt.decode(enc)
|
||||
elif isinstance(txt, str):
|
||||
res += ' ' + txt
|
||||
else:
|
||||
res += ' ' + txt.decode('ascii')
|
||||
return re_compress_space.sub(' ', res).strip()
|
||||
|
||||
def decode_addrs(hdr):
|
||||
'''
|
||||
Decode mail addresses from a header and handle encondings
|
||||
'''
|
||||
addrs = []
|
||||
if not hdr:
|
||||
return addrs
|
||||
parts = re_compress_space.sub(' ', hdr).split(',')
|
||||
for p in parts:
|
||||
addr = decode_hdr(p)
|
||||
addrs.append(addr)
|
||||
return addrs
|
||||
|
||||
def decode_from(msg):
|
||||
'''
|
||||
Decode the From header and return it as the topmost element
|
||||
'''
|
||||
addrs = decode_addrs(str(msg['From']))
|
||||
return addrs.get_first()
|
||||
|
||||
re_noquote = re.compile('[a-zA-Z0-9_\- ]+')
|
||||
|
||||
def encode_hdr(txt):
|
||||
try:
|
||||
return txt.encode('ascii').decode()
|
||||
except:
|
||||
txt = txt.encode('UTF-8').decode()
|
||||
|
||||
def encode_addr(fulladdr):
|
||||
try:
|
||||
name, addr = fulladdr.split('<', 1)
|
||||
name = name.strip()
|
||||
except:
|
||||
return fulladdr
|
||||
|
||||
try:
|
||||
name = txt.encode('ascii').decode()
|
||||
if not re_noquote.fullmatch(name):
|
||||
name = '"%s"' %name.replace('"', '')
|
||||
except:
|
||||
name = Header(name).encode()
|
||||
|
||||
return name + ' <' + addr
|
||||
|
||||
def msg_from_string(txt):
|
||||
policy = EmailPolicy(utf8=True)
|
||||
return message_from_string(txt, policy=policy)
|
||||
|
||||
def msg_from_bytes(txt):
|
||||
policy = EmailPolicy(utf8=True)
|
||||
return message_from_bytes(txt, policy=policy)
|
||||
|
||||
def msg_force_msg_id(msg, name):
|
||||
# Make sure this has a message ID
|
||||
id = msg.get('Message-ID', None)
|
||||
if not id:
|
||||
id = make_msgid(name.split('@')[0])
|
||||
msg_set_header(msg, 'Message-ID', id)
|
||||
|
||||
|
||||
def msg_set_header(msg, hdr, txt):
|
||||
'''
|
||||
Set new or replace a message header
|
||||
'''
|
||||
for k in msg.keys():
|
||||
if hdr.lower() == k.lower():
|
||||
msg.replace_header(k, txt)
|
||||
return
|
||||
# Not found set new
|
||||
msg[hdr] = txt
|
||||
|
||||
payload_valid_mime_headers = [
|
||||
'Content-Description',
|
||||
'Content-Transfer-Encoding',
|
||||
'Content-Disposition',
|
||||
'Content-Language',
|
||||
'Content-Type',
|
||||
'Charset',
|
||||
'Mime-Version',
|
||||
]
|
||||
|
||||
def is_payload_header(hdr):
|
||||
for h in payload_valid_mime_headers:
|
||||
if h.lower() == hdr.lower():
|
||||
return True
|
||||
return False
|
||||
|
||||
def msg_set_payload(msg, payload):
|
||||
'''
|
||||
Set the payload of a message.
|
||||
'''
|
||||
msg.clear_content()
|
||||
|
||||
if payload.get_content_type() == 'text/plain':
|
||||
pl = payload.get_content()
|
||||
msg.set_content(pl)
|
||||
else:
|
||||
pl = payload.get_payload()
|
||||
for h, val in payload.items():
|
||||
if is_payload_header(h):
|
||||
msg_set_header(msg, h, val)
|
||||
msg.set_payload(pl)
|
||||
|
||||
def msg_get_payload_as_string(msg):
|
||||
'''
|
||||
Get the payload with the associated and relevant headers
|
||||
'''
|
||||
payload = EmailMessage()
|
||||
payload.set_payload(msg.get_payload())
|
||||
|
||||
for h in payload_valid_mime_headers:
|
||||
if h in msg.keys():
|
||||
payload[h] = msg[h]
|
||||
elif h == 'Content-Type':
|
||||
# Force Content-Type if not set
|
||||
# to avoid confusing gmail
|
||||
payload[h] = 'text/plain'
|
||||
|
||||
return payload.as_string()
|
||||
|
||||
def msg_set_gpg_payload(msg, encpl, bseed, addpgp=False):
|
||||
# Create the message boundary
|
||||
boundary = hashlib.sha1('.'.join(bseed).encode()).hexdigest() + '-' * 3
|
||||
|
||||
content = '--%s\n' % boundary
|
||||
content += 'Content-Type: application/pgp-encrypted\n'
|
||||
content += 'Content-Disposition: attachment\n\n'
|
||||
content += 'Version: 1\n\n'
|
||||
content += '--%s\n' % boundary
|
||||
content += 'Content-Type: application/octet-stream\n'
|
||||
content += 'Content-Disposition: attachment; filename="msg.asc"\n\n'
|
||||
if addpgp:
|
||||
content += '-----BEGIN PGP MESSAGE-----\n\n'
|
||||
content += encpl + '\n'
|
||||
if addpgp:
|
||||
content += '-----END PGP MESSAGE-----\n\n'
|
||||
|
||||
msg_set_payload(msg, msg_from_string(content))
|
||||
msg_set_header(msg, 'Mime-Version', '1')
|
||||
msg_set_header(msg, 'Content-Type',
|
||||
'multipart/encrypted; protocol="application/pgp-encrypted";boundary="%s"' % (boundary))
|
||||
msg_set_header(msg, 'Content-Disposition', 'inline')
|
||||
|
||||
def msg_strip_signature(msg):
|
||||
'''
|
||||
Strip signature from msg for now. The formats are horribly different
|
||||
and proper encrypted mails are signed as part of the encryption.
|
||||
'''
|
||||
ct = msg.get_content_type()
|
||||
if ct != 'multipart/signed':
|
||||
return msg
|
||||
|
||||
boundary = msg.get_boundary(None)
|
||||
payload = msg.get_payload()
|
||||
stripped = False
|
||||
|
||||
for m in payload:
|
||||
if m.get_content_type() == 'application/pgp-signature':
|
||||
payload.remove(m)
|
||||
stripped = True
|
||||
|
||||
# If no signature found return unmodified msg
|
||||
if not stripped:
|
||||
return
|
||||
|
||||
if len(payload) == 1:
|
||||
# If the remaining message is only a single item set it as payload
|
||||
msg_set_payload(msg, payload[0])
|
||||
else:
|
||||
# Recreate the multipart message
|
||||
content = 'Content-type: multipart/mixed; boundary="%s"\n\n' % boundary
|
||||
for m in payload:
|
||||
content += '--%s\n' % boundary
|
||||
content += m.as_string()
|
||||
content += '\n'
|
||||
content += '--%s\n' % boundary
|
||||
msg_set_payload(msg, msg_from_string(content))
|
||||
|
||||
def msg_strip_html(msg):
|
||||
'''
|
||||
Strip html from msg
|
||||
'''
|
||||
|
||||
ct = msg.get_content_type()
|
||||
if ct != 'multipart/alternative':
|
||||
return
|
||||
|
||||
boundary = msg.get_boundary(None)
|
||||
payload = msg.get_payload()
|
||||
stripped = False
|
||||
|
||||
for m in payload:
|
||||
if m.get_content_type() == 'text/html':
|
||||
payload.remove(m)
|
||||
stripped = True
|
||||
|
||||
# If no html found return
|
||||
if not stripped:
|
||||
return
|
||||
|
||||
if len(payload) == 1:
|
||||
# If the remaining message is only a single item set it as payload
|
||||
msg_set_payload(msg, payload[0])
|
||||
else:
|
||||
# Recreate the multipart message
|
||||
content = 'Content-type: multipart/mixed; boundary="%s"\n\n' % boundary
|
||||
for m in payload:
|
||||
content += '--%s\n' % boundary
|
||||
content += m.as_string()
|
||||
content += '\n'
|
||||
content += '--%s\n' % boundary
|
||||
msg_set_payload(msg, msg_from_string(content))
|
||||
|
||||
def msg_sanitize_outlook(msg):
|
||||
'''
|
||||
Oh well ...
|
||||
'''
|
||||
ct = msg.get_content_type()
|
||||
if ct != 'multipart/mixed':
|
||||
return
|
||||
|
||||
# The bogus outlook mails consist of a text/plain and an attachment
|
||||
payload = msg.get_payload()
|
||||
if len(payload) != 2:
|
||||
return
|
||||
|
||||
if payload[0].get_content_type() != 'text/plain':
|
||||
return
|
||||
|
||||
if payload[1].get_content_type() != 'application/octet-stream':
|
||||
return
|
||||
|
||||
fname = payload[1].get_filename(None)
|
||||
if not fname:
|
||||
return
|
||||
|
||||
if fname != 'msg.gpg' and fname != 'msg.asc':
|
||||
return
|
||||
|
||||
encpl = payload[1].get_payload()
|
||||
msg_set_gpg_payload(msg, encpl, 'outlook', addpgp=True)
|
||||
|
||||
def decode_base64(msg):
|
||||
#
|
||||
# Decode base64 encoded text/plain sections
|
||||
#
|
||||
if msg.get('Content-Transfer-Encoding', '') == 'base64':
|
||||
dec = base64.decodestring(msg.get_payload().encode())
|
||||
msg.set_payload(dec)
|
||||
del msg['Content-Transfer-Encoding']
|
||||
|
||||
def decode_alternative(msg):
|
||||
'''
|
||||
Deal with weird MUAs which put the GPG encrypted text/plain
|
||||
part into a multipart/alternative mail.
|
||||
'''
|
||||
ct = msg.get_content_type()
|
||||
if ct == 'multipart/alternative':
|
||||
payloads = msg.get_payload()
|
||||
payldec = []
|
||||
for pl in payloads:
|
||||
ct = pl.get_content_type()
|
||||
if ct == 'text/plain':
|
||||
pl = decode_base64(pl)
|
||||
payldec.append(pl)
|
||||
msg.set_payload(payldec)
|
||||
elif ct == 'text/plain':
|
||||
decode_base64(msg)
|
||||
|
||||
def msg_sanitize_incoming(msg):
|
||||
'''
|
||||
Get rid of HMTL, outlook, alternatives etc.
|
||||
'''
|
||||
# Strip html multipart first
|
||||
msg_strip_html(msg)
|
||||
|
||||
# Sanitize outlook crappola
|
||||
msg_sanitize_outlook(msg)
|
||||
|
||||
# Handle mutlipart/alternative and base64 encodings
|
||||
decode_alternative(msg)
|
||||
|
||||
re_noreply = re.compile('^no.?reply@')
|
||||
|
||||
def msg_is_autoreply(msg):
|
||||
'''
|
||||
Check whether a message is an autoreply
|
||||
'''
|
||||
# RFC 3834
|
||||
ar = msg.get('Auto-Submitted')
|
||||
if ar and ar != 'no':
|
||||
return True
|
||||
|
||||
# Microsoft ...
|
||||
ar = msg.get('X-Auto-Response-Suppress')
|
||||
if ar in ('DR', 'AutoReply', 'All'):
|
||||
return True
|
||||
|
||||
# precedence auto-reply
|
||||
if msg.get('Precedence', '') == 'auto-reply':
|
||||
return True
|
||||
|
||||
# Reply-To is empty
|
||||
rt = msg.get('Reply-To')
|
||||
if rt:
|
||||
rt = rt.strip()
|
||||
if len(rt) == 0:
|
||||
return True
|
||||
|
||||
if rt == '<>':
|
||||
return True
|
||||
|
||||
# Reply-To matches no_reply, no-reply, noreply
|
||||
if re_noreply.search(rt):
|
||||
return True
|
||||
|
||||
# Catch empty return path
|
||||
rp = msg.get('Return-Path')
|
||||
if not rp or rp == '<>':
|
||||
return True
|
||||
|
||||
return False
|
||||
363
remail/maillist.py
Normal file
363
remail/maillist.py
Normal file
|
|
@ -0,0 +1,363 @@
|
|||
#!/usr/bin/env python
|
||||
# SPDX-License-Identifier: GPL-2.0-only
|
||||
# Copyright Thomas Gleixner <tglx@linutronix.de>
|
||||
#
|
||||
# Mailing list related code
|
||||
|
||||
from remail.mail import msg_set_header, msg_force_msg_id, send_mail
|
||||
from remail.mail import msg_sanitize_incoming, msg_is_autoreply
|
||||
from remail.mail import get_raw_email_addr, decode_addrs
|
||||
from remail.mail import msg_from_string
|
||||
|
||||
from remail.smime import smime_crypt, RemailSmimeException
|
||||
from remail.gpg import gpg_crypt, RemailGPGException
|
||||
from remail.tracking import account_tracking
|
||||
from remail.config import accounts_config, gpg_config, smime_config
|
||||
|
||||
from email.utils import make_msgid, formatdate
|
||||
from email.policy import EmailPolicy
|
||||
from flufl.bounce import all_failures
|
||||
|
||||
import mailbox
|
||||
import yaml
|
||||
import os
|
||||
|
||||
class maillist(object):
|
||||
'''
|
||||
A class representing a mailing list
|
||||
|
||||
The list is configured by a preconfigured config item.
|
||||
'''
|
||||
def __init__(self, listcfg, logger, use_smtp):
|
||||
self.logger = logger
|
||||
self.config = listcfg
|
||||
self.enabled = listcfg.enabled
|
||||
self.use_smtp = use_smtp
|
||||
|
||||
self.smime = smime_crypt(self.config.smime, self.config.listaccount)
|
||||
self.gpg = gpg_crypt(self.config.gpg, self.config.listaccount)
|
||||
|
||||
self.tracking = account_tracking(self.config.tracking, logger)
|
||||
|
||||
def get_name(self):
|
||||
return self.config.name
|
||||
|
||||
def start_list(self):
|
||||
if not self.config.enabled:
|
||||
return
|
||||
|
||||
# Initilize the tracker and get the accounts which want
|
||||
# a welcome mail sent to them
|
||||
welcome = self.tracking.tracking_init(self.config.subscribers)
|
||||
for acc in welcome:
|
||||
self.send_welcome_mail(acc)
|
||||
# Failure to encrypt to the receipient disables the account
|
||||
# temporarily
|
||||
if acc.enabled:
|
||||
self.tracking.enable_account(acc)
|
||||
|
||||
# If exceptions happened tell the administrator
|
||||
self.handle_log()
|
||||
|
||||
def send_plain_mail(self, msg, account):
|
||||
'''
|
||||
Only ever use for admin mails which contain no content!
|
||||
'''
|
||||
send_mail(msg, account, self.config.listaddrs.owner,
|
||||
self.config.listaddrs.bounce, {}, self.use_smtp)
|
||||
|
||||
def encrypt(self, msg_plain, account):
|
||||
'''
|
||||
Encrypt plain text message for the account
|
||||
'''
|
||||
msg = msg_from_string(msg_plain.as_string())
|
||||
if account.use_smime:
|
||||
self.smime.encrypt(msg, account)
|
||||
else:
|
||||
self.gpg.encrypt(msg, account)
|
||||
return msg
|
||||
|
||||
def send_encrypted_mail(self, msg_plain, account, mfrom):
|
||||
try:
|
||||
msg_out = self.encrypt(msg_plain, account)
|
||||
send_mail(msg_out, account, mfrom, self.config.listaddrs.bounce,
|
||||
self.config.listheaders, self.use_smtp)
|
||||
except (RemailGPGException, RemailSmimeException) as ex:
|
||||
'''
|
||||
GPG and S/MIME exceptions are not fatal. If they happen
|
||||
then in most cases the key/cert is not valid. Freeze the
|
||||
subscribers account. The log handling will inform the
|
||||
administrator about the problem.
|
||||
'''
|
||||
txt = 'Failed to encrypt mail to %s' % (account.addr)
|
||||
self.logger.log_exception(txt, ex)
|
||||
if account in self.config.subscribers.values():
|
||||
txt = 'Account frozen: %s\n' % (account.addr)
|
||||
self.logger.log_warn(txt)
|
||||
account.enabled = False
|
||||
self.tracking.freeze_account(account)
|
||||
|
||||
def prepare_mail_msg(self, txt):
|
||||
'''
|
||||
Prepare a mail message from a string. Used for sending
|
||||
template based mails to subscribers and admins.
|
||||
'''
|
||||
msg = msg_from_string(txt)
|
||||
# Force a message id and set the date header
|
||||
msg_force_msg_id(msg, self.config.listaddrs.post)
|
||||
msg_set_header(msg, 'Date', formatdate())
|
||||
return msg
|
||||
|
||||
def send_welcome_mail(self, account):
|
||||
# Read the template and replace the optional $NAME
|
||||
# placeholder with the subscribers name
|
||||
txt = open(self.config.templates.welcome).read()
|
||||
txt = txt.replace('$NAME', account.name)
|
||||
msg = self.prepare_mail_msg(txt)
|
||||
self.send_encrypted_mail(msg, account, self.config.listaddrs.post)
|
||||
|
||||
def archive_mail(self, msg, incoming=False, admin=False):
|
||||
'''
|
||||
Archive mail depending on configuration.
|
||||
'''
|
||||
if incoming and self.config.archives.incoming:
|
||||
f = self.config.archives.m_encr
|
||||
elif admin and self.config.archives.plain:
|
||||
f = self.config.archives.m_admin
|
||||
elif not admin and self.config.archives.plain:
|
||||
f = self.config.archives.m_list
|
||||
else:
|
||||
return
|
||||
if self.config.archives.mdir:
|
||||
mbox = mailbox.Maildir(f, create=True)
|
||||
else:
|
||||
mbox = mailbox.mbox(f, create=True)
|
||||
mbox.add(msg)
|
||||
mbox.close()
|
||||
|
||||
def decrypt_mail(self, msg):
|
||||
'''
|
||||
Decrypt mail after sanitizing it from HTML and outlook magic
|
||||
and decoding base64 transport.
|
||||
'''
|
||||
msg_sanitize_incoming(msg)
|
||||
|
||||
msg_plain = self.smime.decrypt(msg)
|
||||
if not msg_plain:
|
||||
msg_plain = self.gpg.decrypt(msg)
|
||||
return msg_plain
|
||||
|
||||
def disable_subscribers(self, addrs, msgid):
|
||||
'''
|
||||
Disable subscribers in @addrs. Emit a warning when an address is
|
||||
newly disabled. Update state tracking.
|
||||
Admins are informed via log handling
|
||||
'''
|
||||
for addr in addrs:
|
||||
addr = addr.decode()
|
||||
acc = self.config.subscribers.get(addr)
|
||||
if acc:
|
||||
if acc.enabled:
|
||||
acc.enabled = False
|
||||
txt = 'Freezing account due to permanent failure %s\n' % addr
|
||||
self.logger.log_warn('txt')
|
||||
self.tracking.freeze_account(acc)
|
||||
else:
|
||||
txt = 'Trying to freeze non existing account %s.\n' % addr
|
||||
txt += ' Message-ID: %s\n' % msgid
|
||||
self.logger.log_warn(txt)
|
||||
|
||||
def modsubject(self, msg, prefix):
|
||||
'''
|
||||
Add a prefix to the subject. Used for administrator mails to inform
|
||||
about the nature of the information, e.g. Moderation, Bounces etc.
|
||||
'''
|
||||
subj = prefix + msg['Subject']
|
||||
msg_set_header(msg, 'Subject', subj)
|
||||
|
||||
def moderate(self, msg, dest):
|
||||
'''
|
||||
If the list is moderated make sure that the sender of a mail
|
||||
is subscribed or an administrator. This checks also aliases.
|
||||
'''
|
||||
if not self.config.moderated:
|
||||
return False
|
||||
|
||||
mfrom = get_raw_email_addr(msg.get('From'))
|
||||
r = self.config.subscribers.has_account(mfrom)
|
||||
r = r or self.config.admins.has_account(mfrom)
|
||||
if not r:
|
||||
self.modsubject(msg, '[MODERATED] ')
|
||||
dest.toadmins = True
|
||||
dest.accounts = self.config.admins
|
||||
|
||||
def check_bounces(self, msg, dest):
|
||||
'''
|
||||
Catch bounces and autoreply messages.
|
||||
'''
|
||||
temp_fail, perm_fail = all_failures(msg)
|
||||
|
||||
# Disable all permanent failing addresses
|
||||
self.disable_subscribers(perm_fail, msg.get('Message-Id'))
|
||||
|
||||
# If this is a bounce, send it to the admins
|
||||
if len(temp_fail) or len(perm_fail):
|
||||
if len(temp_fail):
|
||||
self.modsubject(msg, '[TEMPFAIL] ')
|
||||
if len(perm_fail):
|
||||
self.modsubject(msg, '[FROZEN] ')
|
||||
dest.toadmins = True
|
||||
dest.accounts = self.config.admins
|
||||
|
||||
if msg_is_autoreply(msg):
|
||||
self.modsubject(msg, '[AUTOREPLY] ')
|
||||
dest.toadmins = True
|
||||
dest.accounts = self.config.admins
|
||||
|
||||
def mangle_from(self, msg):
|
||||
'''
|
||||
Build 'From' string so the original 'From' is 'visible':
|
||||
From: $LISTNAME for $ORIGINAL_FROM <$LISTADDRESS>
|
||||
|
||||
If $ORIGINAL_FROM does not contain a name, mangle the email
|
||||
address by replacing @ with _at_
|
||||
'''
|
||||
mfrom = msg.get('From').split('<')[0].replace('@', '_at_').strip()
|
||||
return '%s for %s <%s>' % (self.config.name, mfrom,
|
||||
self.config.listaddrs.post)
|
||||
|
||||
def do_process_mail(self, msg, dest):
|
||||
# Archive the incoming mail
|
||||
self.archive_mail(msg, incoming=True)
|
||||
# Destination was already established. Check for bounces first
|
||||
self.check_bounces(msg, dest)
|
||||
# Check for moderation
|
||||
self.moderate(msg, dest)
|
||||
|
||||
msgid = msg.get('Message-Id', '<No ID>')
|
||||
msgto = msg.get('To')
|
||||
|
||||
try:
|
||||
msg_plain = self.decrypt_mail(msg)
|
||||
except Exception as ex:
|
||||
txt = 'Failed to decrypt incoming %s to %s\n' %(msgid, msgto)
|
||||
self.logger.log_exception(txt, ex)
|
||||
return False
|
||||
|
||||
self.archive_mail(msg_plain, admin=dest.toadmin)
|
||||
|
||||
mfrom = self.mangle_from(msg)
|
||||
|
||||
for account in dest.accounts.values():
|
||||
if not account.enabled:
|
||||
continue
|
||||
self.send_encrypted_mail(msg_plain, account, mfrom)
|
||||
return True
|
||||
|
||||
def handle_log(self):
|
||||
'''
|
||||
If the logger captured warnings send them to the list admin(s)
|
||||
'''
|
||||
if not len(self.logger.warnings):
|
||||
return
|
||||
|
||||
txt = open(self.config.templates.admin).read()
|
||||
txt += '\n\n%s' %self.logger.warnings
|
||||
msg = self.prepare_mail_msg(txt)
|
||||
|
||||
self.logger.log_debug('Sending warnings to admins\n')
|
||||
|
||||
for account in self.config.admins.values():
|
||||
if not account.enabled:
|
||||
continue
|
||||
# Use the bounce address as from ...
|
||||
self.send_plain_mail(msg, account)
|
||||
self.logger.warnings = ''
|
||||
|
||||
def process_mail(self, msg, dest):
|
||||
txt = 'Processing %s mail: %s\n' %(self.config.name, msg.get('Message-ID'))
|
||||
self.logger.log_debug(txt)
|
||||
res = self.do_process_mail(msg, dest)
|
||||
# Send out any warning which might have happened to the admins
|
||||
self.handle_log()
|
||||
return res
|
||||
|
||||
def get_destination(self, msg):
|
||||
# Handle the case where someone put several addresses on To:
|
||||
addrs = decode_addrs(msg['To'])
|
||||
|
||||
for addr in addrs:
|
||||
to = get_raw_email_addr(addr)
|
||||
dest = self.config.listaddrs.get_destination(to, self.config.admins,
|
||||
self.config.subscribers)
|
||||
if dest:
|
||||
msg_set_header(msg, 'To', to)
|
||||
return dest
|
||||
return None
|
||||
|
||||
def check_keys(self):
|
||||
'''
|
||||
Check and validate subscriber keys
|
||||
'''
|
||||
for account in self.config.subscribers.values():
|
||||
if not account.enabled:
|
||||
continue
|
||||
if not account.use_smime:
|
||||
self.gpg.check_key(account)
|
||||
else:
|
||||
self.smime.check_cert(account)
|
||||
|
||||
class maillist_checker(object):
|
||||
'''
|
||||
Trivial wrapper around the list to check and show the subscriber
|
||||
configuration.
|
||||
'''
|
||||
def __init__(self, configfile, logger):
|
||||
self.logger = logger
|
||||
try:
|
||||
cfgdict = yaml.load(open(configfile))
|
||||
except Exception as ex:
|
||||
txt = 'Failed to load list configfile %s' %configfile
|
||||
logger.log_exception(txt, ex)
|
||||
return
|
||||
|
||||
self.accounts = accounts_config(cfgdict.get('subscribers', {}), '')
|
||||
|
||||
def show_config(self):
|
||||
if self.accounts:
|
||||
print('Subscribers:')
|
||||
self.accounts.show(2)
|
||||
|
||||
def show_enabled(self):
|
||||
if not self.accounts:
|
||||
return
|
||||
|
||||
subs = {}
|
||||
for account in self.accounts.values():
|
||||
if not account.enabled:
|
||||
continue
|
||||
subs[account.name] = account.addr
|
||||
|
||||
for name in sorted(subs.keys()):
|
||||
print('%-40s %s' %(name, subs[name]))
|
||||
|
||||
def check_keys(self):
|
||||
if not self.accounts:
|
||||
return
|
||||
|
||||
gpgcfg = gpg_config(os.getcwd(), {})
|
||||
gpg = gpg_crypt(gpgcfg, None, checkkey=False)
|
||||
|
||||
smimecfg = smime_config(os.getcwd(), {})
|
||||
smime = smime_crypt(smimecfg, None, checkkey=False)
|
||||
|
||||
for account in self.accounts.values():
|
||||
if not account.enabled:
|
||||
continue
|
||||
try:
|
||||
if not account.use_smime:
|
||||
gpg.check_key(account)
|
||||
else:
|
||||
smime.check_cert(account)
|
||||
except Exception as ex:
|
||||
self.logger.log(str(ex) + '\n')
|
||||
388
remail/remaild.py
Normal file
388
remail/remaild.py
Normal file
|
|
@ -0,0 +1,388 @@
|
|||
#!/usr/bin/env python3
|
||||
# SPDX-License-Identifier: GPL-2.0-only
|
||||
# Copyright Thomas Gleixner <tglx@linutronix.de>
|
||||
#
|
||||
|
||||
from remail.config import RemailConfigException
|
||||
from remail.config import main_config
|
||||
from remail.maillist import maillist
|
||||
|
||||
from email import message_from_binary_file
|
||||
from email.policy import EmailPolicy
|
||||
from ruamel.yaml import YAML
|
||||
import pyinotify
|
||||
import mailbox
|
||||
import pathlib
|
||||
import signal
|
||||
import fcntl
|
||||
import os
|
||||
|
||||
class EventHandler(pyinotify.ProcessEvent):
|
||||
"""
|
||||
inotify event handler which invokes the mailer function
|
||||
to enqueue new mail into the mail process queue
|
||||
"""
|
||||
def __init__(self, mailer):
|
||||
self.mailer = mailer
|
||||
pass
|
||||
|
||||
def process_IN_CREATE(self, event):
|
||||
self.mailer.queue_newmail(event.pathname)
|
||||
pass
|
||||
|
||||
class remaild(object):
|
||||
"""
|
||||
The remail daemon.
|
||||
"""
|
||||
def __init__(self, cfgfile, logger):
|
||||
self.logger = logger
|
||||
self.enabled = False
|
||||
|
||||
self.cfgfile = cfgfile
|
||||
self.yaml = YAML()
|
||||
|
||||
# Maildir related data
|
||||
self.inotifier = None
|
||||
self.newmails = []
|
||||
self.failedmails = []
|
||||
|
||||
self.policy = EmailPolicy(utf8=True)
|
||||
|
||||
# Mailing lists
|
||||
self.mailinglists = []
|
||||
|
||||
# Signals and related data
|
||||
self._should_stop = False
|
||||
self._should_reload = False
|
||||
self.siginstall()
|
||||
|
||||
# Signals
|
||||
def term_handler(self, signum, frame):
|
||||
'''
|
||||
SIGTERM/SIGINT handler. Sets the should stop flag and stops the
|
||||
inotifier which brings the inotify watch out of the wait loop.
|
||||
'''
|
||||
self._should_stop = True
|
||||
self.stop_inotifier()
|
||||
|
||||
def reload_handler(self, signum, frame):
|
||||
'''
|
||||
SIGTERM handler. Sets the should reload flag and stops the inotifier
|
||||
which brings the inotify watch out of the wait loop.
|
||||
'''
|
||||
self._should_reload = True
|
||||
self.stop_inotifier()
|
||||
|
||||
def siginstall(self):
|
||||
self.sigset = (signal.SIGINT, signal.SIGTERM, signal.SIGHUP)
|
||||
signal.signal(signal.SIGINT, self.term_handler)
|
||||
signal.signal(signal.SIGTERM, self.term_handler)
|
||||
signal.signal(signal.SIGHUP, self.reload_handler)
|
||||
|
||||
def sigblock(self):
|
||||
'''
|
||||
Blocks the relevant signals during mail processing. After each
|
||||
processed mail sigpending() is checked to handle the signals
|
||||
gracefully without too much delay.
|
||||
'''
|
||||
signal.pthread_sigmask(signal.SIG_BLOCK, self.sigset)
|
||||
|
||||
def sigunblock(self):
|
||||
'''
|
||||
Unblock the signals again
|
||||
'''
|
||||
signal.pthread_sigmask(signal.SIG_UNBLOCK, self.sigset)
|
||||
|
||||
# The remail internal queueing
|
||||
def queue_newmail(self, path):
|
||||
'''
|
||||
new mail queue. Contains mails which have not been processed.
|
||||
Scanned from the 'new' folder in the maildir after setting
|
||||
up the async inotifier to make sure that existing entries are
|
||||
collected. When the inotify based processing runs new entries
|
||||
are added when inotify.process_events() is invoked.
|
||||
|
||||
Duplicate entries are prevented. Also mails in failedmails
|
||||
are ignored.
|
||||
'''
|
||||
if path not in self.failedmails and path not in self.newmails:
|
||||
self.newmails.append(path)
|
||||
|
||||
def scan_maildir(self):
|
||||
'''
|
||||
Scan all existing mails in maildir/new and maildir/cur (not
|
||||
in use yet). The scanning happens after the inotifier was
|
||||
installed and before the inotify events are processed. Duplicate
|
||||
entries are prevented in the enqeueing function
|
||||
'''
|
||||
mdir = pathlib.Path(self.config.maildir) / 'cur'
|
||||
for p in mdir.iterdir():
|
||||
self.queue_newmail(str(p.resolve()))
|
||||
mdir = pathlib.Path(self.config.maildir) / 'new'
|
||||
for p in mdir.iterdir():
|
||||
self.queue_newmail(str(p.resolve()))
|
||||
|
||||
# Inotify related functions
|
||||
def install_inotifier(self):
|
||||
'''
|
||||
Install an async inotifier on maildir/new to avoid polling
|
||||
the maildir.
|
||||
'''
|
||||
wm = pyinotify.WatchManager()
|
||||
self.inotifier = pyinotify.AsyncNotifier(wm, EventHandler(self))
|
||||
ndir = pathlib.Path(self.config.maildir) / 'new'
|
||||
wm.add_watch(str(ndir.resolve()), pyinotify.IN_CREATE)
|
||||
|
||||
def stop_inotifier(self):
|
||||
'''
|
||||
Stop the inotifier. Called from signal handlers to stop waiting
|
||||
and processing either for termination or reconfiguration.
|
||||
'''
|
||||
if self.inotifier:
|
||||
self.inotifier.stop()
|
||||
self.inotifier = None
|
||||
|
||||
def process_events(self):
|
||||
try:
|
||||
# Can't disable signals here as this can block
|
||||
if self.inotifier.check_events():
|
||||
self.inotifier.read_events();
|
||||
|
||||
self.inotifier.process_events()
|
||||
|
||||
except AttributeError as ex:
|
||||
# Handle the case gracefully where the inotifier died
|
||||
# There is surely a better way to do that :)
|
||||
txt = '%s' %ex
|
||||
if txt.find('check_events') > 0:
|
||||
pass
|
||||
elif txt.find('read_events') > 0:
|
||||
pass
|
||||
elif txt.find('process_events') > 0:
|
||||
pass
|
||||
else:
|
||||
raise ex
|
||||
|
||||
def move_frozen(self, mailfile):
|
||||
try:
|
||||
fname = os.path.basename(mailfile)
|
||||
fpath = os.path.join(self.config.mailfrozen, fname)
|
||||
if os.path.isfile(mailfile):
|
||||
os.link(mailfile, fpath)
|
||||
os.unlink(mailfile)
|
||||
except:
|
||||
pass
|
||||
|
||||
# The actual mail processing
|
||||
def process_mail(self, queue):
|
||||
'''
|
||||
Process the mails which are enqueued on the internal list. Invoked
|
||||
with signals disabled. After each processed mail the signals are
|
||||
checked.
|
||||
'''
|
||||
while len(queue) and not self._should_stop and not signal.sigpending():
|
||||
mailfile = queue.pop()
|
||||
|
||||
# Try to read the mail
|
||||
try:
|
||||
msg = message_from_binary_file(open(mailfile, 'rb'),
|
||||
policy=self.policy)
|
||||
except Exception as ex:
|
||||
self.move_frozen(mailfile)
|
||||
txt = 'Failed to read mail file %s. Moved to frozen\n' %(mailfile)
|
||||
self.logger.log_exception(txt, ex)
|
||||
continue
|
||||
|
||||
# Check whether one of the lists will take it
|
||||
processed = False
|
||||
for ml in self.mailinglists:
|
||||
if not ml.enabled:
|
||||
continue
|
||||
dest = ml.get_destination(msg)
|
||||
if not dest:
|
||||
continue
|
||||
try:
|
||||
processed = ml.process_mail(msg, dest)
|
||||
break
|
||||
except Exception as ex:
|
||||
self.failedmails.append(mailfile)
|
||||
txt = 'Failed to process mail file %s\n' %(mailfile)
|
||||
self.logger.log_exception(txt, ex)
|
||||
break
|
||||
|
||||
if processed:
|
||||
os.unlink(mailfile)
|
||||
else:
|
||||
self.move_frozen(mailfile)
|
||||
txt = 'Failed to process mail file %s.' %(mailfile)
|
||||
txt += ' Moved to frozen\n.'
|
||||
self.logger.log_warn(txt)
|
||||
|
||||
def process_mails(self):
|
||||
'''
|
||||
Block signals for mail processing to simplify the mail processing
|
||||
as some of the invoked functions are not restarting their syscalls.
|
||||
Blocking the syscalls avoids dealing with those exceptions all over
|
||||
the place. The mail processing checks for pending signals after each
|
||||
mail so the delay for handling them is minimal.
|
||||
'''
|
||||
self.sigblock()
|
||||
self.process_mail(self.newmails)
|
||||
self.sigunblock()
|
||||
|
||||
# Configuration processing
|
||||
def config_list(self, ml):
|
||||
'''
|
||||
Configure a mailing list from the list config file
|
||||
'''
|
||||
try:
|
||||
cfgdict = self.yaml.load(open(ml.listcfg))
|
||||
except Exception as ex:
|
||||
txt = 'Failed to load list configfile %s' %ml.listcfg
|
||||
self.logger.log_exception(txt, ex)
|
||||
txt = 'Disabling list. Waiting for reconfiguration'
|
||||
self.logger.log_warn(txt)
|
||||
ml.enabled = False
|
||||
|
||||
# If the list is disabled, nothing else to do than wait
|
||||
if not ml.enabled:
|
||||
return
|
||||
|
||||
try:
|
||||
subscr = cfgdict.get('subscribers', {})
|
||||
ml.config_subscribers(subscr)
|
||||
except RemailConfigException as ex:
|
||||
txt = 'list %s disabled. Waiting for reconfiguration' % ml.name
|
||||
self.logger.log_exception(txt, ex)
|
||||
self.log_warn(txt)
|
||||
ml.enabled = False
|
||||
|
||||
def read_config(self):
|
||||
'''
|
||||
Read the main configuration file and analyze it.
|
||||
'''
|
||||
try:
|
||||
cfgdict = self.yaml.load(open(self.cfgfile))
|
||||
except Exception as ex:
|
||||
txt = 'Failed to load configfile %s.' %self.cfgfile
|
||||
self.logger.log_exception(txt, ex)
|
||||
txt = 'Waiting for reconfiguration'
|
||||
self.logger.log_warn(txt)
|
||||
cfgdict = {}
|
||||
|
||||
|
||||
# If remail is disabled, nothing else to do than wait
|
||||
self.enabled = cfgdict.get('enabled', False)
|
||||
if not self.enabled:
|
||||
return
|
||||
|
||||
# Read the configuration
|
||||
try:
|
||||
self.config = main_config(cfgdict)
|
||||
except RemailConfigException as ex:
|
||||
txt = 'remail disabled. Waiting for reconfiguration'
|
||||
self.logger.log_exception(txt, ex)
|
||||
self.enabled = False
|
||||
|
||||
# If remail is disabled, nothing else to do than wait
|
||||
if not self.enabled:
|
||||
return
|
||||
|
||||
# Read the mailing list subscribers
|
||||
for l in self.config.lists:
|
||||
self.config_list(l)
|
||||
|
||||
# Now set up the real mailing lists
|
||||
self.mailinglists = []
|
||||
for l in self.config.lists:
|
||||
ml = maillist(l, self.logger, self.config.use_smtp)
|
||||
self.mailinglists.append(ml)
|
||||
|
||||
def show_config(self):
|
||||
'''
|
||||
Show the configuration of this remail instance including
|
||||
the mailing list configurations on stdout.
|
||||
'''
|
||||
self.read_config()
|
||||
if not self.enabled:
|
||||
print('Disabled')
|
||||
return
|
||||
|
||||
self.config.show()
|
||||
|
||||
def check_keys(self):
|
||||
self.read_config()
|
||||
if not self.enabled:
|
||||
return
|
||||
for ml in self.mailinglists:
|
||||
ml.check_keys()
|
||||
|
||||
def reconfigure(self):
|
||||
"""
|
||||
Check for reconfiguration request.
|
||||
"""
|
||||
if not self._should_reload:
|
||||
return
|
||||
self._should_reload = False
|
||||
|
||||
# Prevent concurrent updates from a notification
|
||||
# mechanism or a cronjob.
|
||||
fd = open('lock', 'w')
|
||||
fcntl.flock(fd, fcntl.LOCK_EX)
|
||||
|
||||
self.read_config()
|
||||
|
||||
if not self.enabled:
|
||||
return
|
||||
|
||||
for ml in self.mailinglists:
|
||||
try:
|
||||
ml.start_list()
|
||||
except Exception as ex:
|
||||
txt = 'Failed to start list %s' % (ml.get_name())
|
||||
self.logger.log_exception(txt, ex)
|
||||
ml.enabled = False
|
||||
|
||||
fcntl.flock(fd, fcntl.LOCK_UN)
|
||||
|
||||
def should_stop(self):
|
||||
return self._should_stop
|
||||
|
||||
def check_config(self):
|
||||
# Invoke reconfiguration if requested
|
||||
self.reconfigure()
|
||||
|
||||
# Wait if configuration is disabled
|
||||
while not self.enabled and not self.should_stop():
|
||||
signal.pause()
|
||||
if not self.should_stop():
|
||||
self.reconfigure()
|
||||
|
||||
return self.should_stop()
|
||||
|
||||
# The runner
|
||||
def run(self):
|
||||
|
||||
# Force configuration reload
|
||||
self._should_reload = True
|
||||
|
||||
while not self.should_stop():
|
||||
|
||||
# Check configuration request and eventually wait if disabled
|
||||
if self.check_config():
|
||||
continue
|
||||
|
||||
# Install inotify watch on the maildir
|
||||
self.install_inotifier()
|
||||
# Scan for existing mail
|
||||
self.scan_maildir()
|
||||
self.process_mails()
|
||||
|
||||
while not self._should_stop and not self._should_reload:
|
||||
try:
|
||||
self.process_events()
|
||||
self.process_mails()
|
||||
except Exception as ex:
|
||||
self.stop_inotifier()
|
||||
self.logger.log_exception('', ex)
|
||||
self._should_stop = True
|
||||
247
remail/smime.py
Normal file
247
remail/smime.py
Normal file
|
|
@ -0,0 +1,247 @@
|
|||
#!/usr/bin/env python3
|
||||
# SPDX-License-Identifier: GPL-2.0-only
|
||||
# Copyright Thomas Gleixner <tglx@linutronix.de>
|
||||
#
|
||||
# S/MIME decrypt/encrypt functionality
|
||||
|
||||
from remail.mail import msg_set_payload, get_raw_email_addr
|
||||
from remail.mail import msg_get_payload_as_string, msg_set_header
|
||||
from remail.mail import msg_from_string, msg_from_bytes
|
||||
|
||||
from M2Crypto import SMIME, BIO, Rand, X509
|
||||
import time
|
||||
import os
|
||||
|
||||
class RemailSmimeException(Exception):
|
||||
pass
|
||||
|
||||
class smime_crypt(object):
|
||||
def __init__(self, smime_cfg, account, checkkey=True):
|
||||
self.config = smime_cfg
|
||||
self.smime = SMIME.SMIME()
|
||||
self.account = account
|
||||
if self.config.verify:
|
||||
self.ca_verify = 0
|
||||
else:
|
||||
self.ca_verify = SMIME.PKCS7_NOVERIFY
|
||||
|
||||
if not checkkey:
|
||||
return
|
||||
|
||||
# Make it explode right away if the account key is missing, broken ...
|
||||
try:
|
||||
self.load_account_key()
|
||||
except Exception as ex:
|
||||
# SMIME Exceptions are undecodable
|
||||
txt = 'key or crt of %s not loadable. %s' % (self.account.addr, ex)
|
||||
raise RemailSmimeException(txt)
|
||||
|
||||
def check_cert(self, account):
|
||||
addr = account.addr
|
||||
crt = os.path.join(self.config.list_certs, addr + '.crt')
|
||||
try:
|
||||
x509 = X509.load_cert(crt)
|
||||
subj = x509.get_subject()
|
||||
nbef = x509.get_not_before()
|
||||
naft = x509.get_not_after()
|
||||
except Exception as ex:
|
||||
txt = 'Account %s. ' % account.addr
|
||||
txt += 'S/MIME cert %s not loadable' % crt
|
||||
raise RemailSmimeException(txt)
|
||||
|
||||
txt = '/emailAddress=%s' %account.addr
|
||||
if str(subj) != txt:
|
||||
txt = 'Account %s. ' % account.addr
|
||||
txt += 'S/MIME cert %s is not matching: %s' % (crt, subj)
|
||||
raise RemailSmimeException(txt)
|
||||
|
||||
val = nbef.get_datetime().timestamp()
|
||||
now = time.time()
|
||||
if now < val:
|
||||
txt = 'Account %s. ' % account.addr
|
||||
txt += 'S/MIME cert %s not yet valid: %s' % (crt, nbef)
|
||||
raise RemailSmimeException(txt)
|
||||
|
||||
val = naft.get_datetime().timestamp()
|
||||
now = time.time()
|
||||
if now >= val:
|
||||
txt = 'Account %s. ' % account.addr
|
||||
txt += 'S/MIME cert %s expired: %s' % (crt, nbef)
|
||||
raise RemailSmimeException(txt)
|
||||
|
||||
def load_account_key(self):
|
||||
addr = self.account.addr
|
||||
key = os.path.join(self.config.global_certs, addr + '.key')
|
||||
crt = os.path.join(self.config.list_certs, addr + '.crt')
|
||||
self.smime.load_key(key, crt)
|
||||
|
||||
def smime_is_multipart_signed(self, msg):
|
||||
'''
|
||||
Check whether the message is signed must be verified and decoded
|
||||
'''
|
||||
ct = msg.get_content_type()
|
||||
if ct == 'multipart/signed':
|
||||
proto = msg.get_param('protocol', '')
|
||||
if proto == 'application/x-pkcs7-signature':
|
||||
return True
|
||||
if proto == 'application/pkcs7-signature':
|
||||
return True
|
||||
return False
|
||||
|
||||
def smime_must_verify(self, msg):
|
||||
'''
|
||||
Check whether the message is signed and must be verified and decoded
|
||||
'''
|
||||
ct = msg.get_content_type()
|
||||
if ct == 'application/x-pkcs7-mime' or ct == 'application/pkcs7-mime':
|
||||
if msg.get_param('smime-type', '') == 'signed-data':
|
||||
return True
|
||||
else:
|
||||
return self.smime_is_multipart_signed(msg)
|
||||
return False
|
||||
|
||||
def smime_verify(self, msg):
|
||||
'''
|
||||
Verify SMIME signed message and return the payload as email.message
|
||||
'''
|
||||
mfrom = get_raw_email_addr(msg['From'])
|
||||
|
||||
crt = os.path.join(self.config.list_certs, mfrom + '.crt')
|
||||
x509 = X509.load_cert(crt)
|
||||
sk = X509.X509_Stack()
|
||||
sk.push(x509)
|
||||
self.smime.set_x509_stack(sk)
|
||||
store = X509.X509_Store()
|
||||
store.load_info(self.config.ca_certs)
|
||||
self.smime.set_x509_store(store)
|
||||
p7_bio = BIO.MemoryBuffer(msg.as_bytes())
|
||||
p7, data = SMIME.smime_load_pkcs7_bio(p7_bio)
|
||||
|
||||
msgout = self.smime.verify(p7, data, flags=self.ca_verify)
|
||||
msg_set_header(msg, 'Signature-Id', mfrom)
|
||||
return msg_from_bytes(msgout)
|
||||
|
||||
def smime_decrypt(self, msg):
|
||||
'''
|
||||
Decrypt SMIME message and replace the payload of the original message
|
||||
'''
|
||||
self.load_account_key()
|
||||
bio = BIO.MemoryBuffer(msg.as_bytes())
|
||||
p7, data = SMIME.smime_load_pkcs7_bio(bio)
|
||||
msg_plain = msg_from_bytes(self.smime.decrypt(p7))
|
||||
|
||||
# If the message is signed as well get the content
|
||||
if self.smime_must_verify(msg_plain):
|
||||
msg_set_payload(msg, msg_plain)
|
||||
msg_plain = self.smime_verify(msg)
|
||||
|
||||
msg_set_payload(msg, msg_plain)
|
||||
|
||||
def do_decrypt(self, msg):
|
||||
'''
|
||||
Try to handle received mail with S/MIME. Return the decoded mail or None
|
||||
'''
|
||||
if self.smime_is_multipart_signed(msg):
|
||||
payload = self.smime_verify(msg)
|
||||
msg_set_payload(msg, payload)
|
||||
|
||||
ct = msg.get_content_type()
|
||||
if ct == 'application/pkcs7-mime' or ct == 'application/x-pkcs7-mime':
|
||||
msgout = msg_from_string(msg.as_string())
|
||||
self.smime_decrypt(msgout)
|
||||
return msgout
|
||||
|
||||
elif self.smime_must_verify(msg):
|
||||
msgout = msg_from_string(msg.as_string())
|
||||
payload = self.smime_verify(msgout)
|
||||
msg_set_payload(msgout, payload)
|
||||
return msgout
|
||||
|
||||
return None
|
||||
|
||||
def decrypt(self, msg):
|
||||
try:
|
||||
envto = msg.get('To', None)
|
||||
msgid = msg.get('Message-Id', None)
|
||||
return self.do_decrypt(msg)
|
||||
except SMIME.PKCS7_Error as ex:
|
||||
# SMIME Exceptions are undecodable
|
||||
txt = 'PKCS7 error when decrypting message '
|
||||
txt += '%s to %s: %s' % (msgid, envto, ex)
|
||||
raise RemailSmimeException(txt)
|
||||
except SMIME.SMIME_Error as ex:
|
||||
# SMIME Exceptions are undecodable
|
||||
txt = 'SMIME error when decrypting message '
|
||||
txt += '%s to %s: %s' % (msgid, envto, ex)
|
||||
raise RemailSmimeException(txt)
|
||||
except Exception as ex:
|
||||
txt = 'Error when decrypting message '
|
||||
txt += '%s to %s: %s' % (msgid, envto, ex)
|
||||
raise RemailSmimeException(txt)
|
||||
|
||||
def smime_encrypt(self, msg, to):
|
||||
'''
|
||||
Encrypt a message for a recipient
|
||||
'''
|
||||
# Extract payload for encryption
|
||||
payload = msg_get_payload_as_string(msg).encode()
|
||||
|
||||
# Sign the content if a signer is set
|
||||
if self.config.sign:
|
||||
self.load_account_key()
|
||||
|
||||
sbuf = BIO.MemoryBuffer(payload)
|
||||
# Sigh. sign() defaults to sha1...
|
||||
p7 = self.smime.sign(sbuf, algo='sha256')
|
||||
sbuf.close()
|
||||
|
||||
buf = BIO.MemoryBuffer()
|
||||
self.smime.write(buf, p7)
|
||||
else:
|
||||
buf = BIO.MemoryBuffer(payload)
|
||||
|
||||
# Load target cert to encrypt to.
|
||||
key = os.path.join(self.config.list_certs, to + '.crt')
|
||||
x509 = X509.load_cert(key)
|
||||
sk = X509.X509_Stack()
|
||||
sk.push(x509)
|
||||
self.smime.set_x509_stack(sk)
|
||||
self.smime.set_cipher(SMIME.Cipher('aes_256_cbc'))
|
||||
|
||||
# Encrypt the buffer.
|
||||
p7 = self.smime.encrypt(buf)
|
||||
buf.close()
|
||||
out = BIO.MemoryBuffer()
|
||||
self.smime.write(out, p7)
|
||||
encmsg = msg_from_bytes(out.read())
|
||||
out.close()
|
||||
|
||||
# Get rid of the old style x-pkcs7 type
|
||||
ct = encmsg['Content-Type']
|
||||
ct = ct.replace('application/x-pkcs7-mime', 'application/pkcs7-mime')
|
||||
msg_set_header(encmsg, 'Content-Type', ct)
|
||||
|
||||
msg_set_payload(msg, encmsg)
|
||||
|
||||
def encrypt(self, msg, account):
|
||||
'''
|
||||
Encrypt a message for a recipient
|
||||
'''
|
||||
try:
|
||||
msgid = msg.get('Message-Id', None)
|
||||
self.smime_encrypt(msg, account.addr)
|
||||
except SMIME.PKCS7_Error as ex:
|
||||
# SMIME Exceptions are undecodable
|
||||
txt = 'PKCS7 error when encrypting message '
|
||||
txt += '%s to %s: %s' % (msgid, account.addr, ex)
|
||||
raise RemailSmimeException(txt)
|
||||
except SMIME.SMIME_Error as ex:
|
||||
# SMIME Exceptions are undecodable
|
||||
txt = 'SMIME error when encrypting message '
|
||||
txt += '%s to %s: %s' % (msgid, account.addr, ex)
|
||||
raise RemailSmimeException(txt)
|
||||
except Exception as ex:
|
||||
txt = 'Error when encrypting message '
|
||||
txt += '%s to %s: %s' % (msgid, account.addr, ex)
|
||||
raise RemailSmimeException(txt)
|
||||
|
||||
123
remail/tracking.py
Normal file
123
remail/tracking.py
Normal file
|
|
@ -0,0 +1,123 @@
|
|||
#!/usr/bin/env python3
|
||||
# SPDX-License-Identifier: GPL-2.0-only
|
||||
# Copyright Thomas Gleixner <tglx@linutronix.de>
|
||||
#
|
||||
# Account state tracking
|
||||
|
||||
from ruamel.yaml import YAML
|
||||
|
||||
class RemailTrackerException(Exception):
|
||||
pass
|
||||
|
||||
class account_tracking(object):
|
||||
'''Subscriber account tracking in a yaml file which is not part of the
|
||||
configuration as the configuration is git based and updates to it
|
||||
cannot be pushed back into the repository without creating a major
|
||||
trainwreck.
|
||||
|
||||
The local states are: 'DISABLED', 'REGISTERED', 'FROZEN', 'ENABLED'
|
||||
|
||||
The FROZEN state is set by bounce processing and can only be removed by
|
||||
two consecutive configuration updates (disable/enable) for now. Not
|
||||
the most pretty mechanism, but everything else turned out to be even
|
||||
more horrible.
|
||||
'''
|
||||
def __init__(self, trcfg, logger):
|
||||
self.logger = logger
|
||||
self.config = trcfg
|
||||
self.yaml = YAML()
|
||||
try:
|
||||
self.tracked = self.yaml.load(open(self.config.tracking_file))
|
||||
except:
|
||||
self.tracked = {}
|
||||
|
||||
def tracking_init(self, subscribers):
|
||||
'''
|
||||
Initialize the state tracker and safe current state
|
||||
after consolidating it with the configuration file
|
||||
|
||||
Returns a lost of accounts which require to be sent a
|
||||
welcome mail.
|
||||
'''
|
||||
welcome = []
|
||||
for acc in subscribers.values():
|
||||
# Check if the account is tracked already
|
||||
if acc.addr in self.tracked:
|
||||
# Check the state for consistency
|
||||
state = self.tracked[acc.addr]
|
||||
|
||||
# Last state was disabled.
|
||||
if state == 'DISABLED':
|
||||
# If enabled in the config file set the state to
|
||||
# registered
|
||||
if acc.enabled:
|
||||
state = 'REGISTERED'
|
||||
welcome.append(acc)
|
||||
|
||||
# Last state was frozen (Bounce processing...)
|
||||
elif state == 'FROZEN':
|
||||
# If it's disabled in the config, remove the frozen
|
||||
# state. Otherwise disable the account in the in memory
|
||||
# configuration until it is really disabled in the real
|
||||
# configuration file. See above.
|
||||
if not acc.enabled:
|
||||
state = 'DISABLED'
|
||||
else:
|
||||
acc.enabled = False
|
||||
txt = 'Account %s frozen by tracking' % acc.addr
|
||||
self.logger.log_warn(txt)
|
||||
|
||||
# Last state was enabled or registered
|
||||
elif state == 'ENABLED' or state == 'REGISTERED':
|
||||
if not acc.enabled:
|
||||
state = 'DISABLED'
|
||||
elif state == 'REGISTERED':
|
||||
welcome.append(acc)
|
||||
|
||||
# Ooops. Should not happen!
|
||||
else:
|
||||
if not acc.enabled:
|
||||
state = 'DISABLED'
|
||||
else:
|
||||
state = 'REGISTERED'
|
||||
welcome.append(acc)
|
||||
pass
|
||||
|
||||
# Untracked account
|
||||
else:
|
||||
if not acc.enabled:
|
||||
state = 'DISABLED'
|
||||
else:
|
||||
state = 'REGISTERED'
|
||||
welcome.append(acc)
|
||||
|
||||
# Update the tracking dict
|
||||
self.tracked[acc.addr] = state
|
||||
|
||||
# Remove all accounts from the tracker which are not longer
|
||||
# in the subscriber list
|
||||
for addr in list(self.tracked):
|
||||
if addr not in subscribers.keys():
|
||||
del self.tracked[addr]
|
||||
|
||||
# Update the tracking file
|
||||
self.dump_tracker()
|
||||
return welcome
|
||||
|
||||
def dump_tracker(self):
|
||||
try:
|
||||
self.yaml.dump(self.tracked, open(self.config.tracking_file, 'w'))
|
||||
except Exception as ex:
|
||||
txt = 'Failed to dump to %s: %s' %(self.config.tracking_file, ex)
|
||||
raise RemailTrackerException(txt)
|
||||
|
||||
def freeze_account(self, acc):
|
||||
self.tracked[acc.addr] = 'FROZEN'
|
||||
self.dump_tracker()
|
||||
|
||||
def enable_account(self, acc):
|
||||
self.tracked[acc.addr] = 'ENABLED'
|
||||
self.dump_tracker()
|
||||
|
||||
def get_state(self, acc):
|
||||
return self.tracked[acc.addr]
|
||||
111
remail/utils.py
Normal file
111
remail/utils.py
Normal file
|
|
@ -0,0 +1,111 @@
|
|||
#!/usr/bin/env python3
|
||||
# SPDX-License-Identifier: GPL-2.0-only
|
||||
# Copyright Thomas Gleixner <tglx@linutronix.de>
|
||||
#
|
||||
# Utilities, RemailException and assorted stuff
|
||||
|
||||
import traceback
|
||||
import syslog
|
||||
import time
|
||||
import sys
|
||||
import os
|
||||
|
||||
class RemailException(Exception):
|
||||
pass
|
||||
|
||||
class logger(object):
|
||||
'''
|
||||
Logger implementation which can log on stderr or syslog
|
||||
and provides a verbose mode to emit debug log messages
|
||||
|
||||
Warnings and exceptions are recorded in an internal buffer
|
||||
which can be sent via mail to the admin(s)
|
||||
'''
|
||||
def __init__(self, use_syslog=False, verbose=False):
|
||||
self.use_syslog = use_syslog
|
||||
self.verbose = verbose
|
||||
self.warnings = ''
|
||||
self.exceptions = ''
|
||||
self.syslog_warn = syslog.LOG_MAIL | syslog.LOG_WARNING
|
||||
self.syslog_info = syslog.LOG_MAIL | syslog.LOG_INFO
|
||||
self.syslog_debug = syslog.LOG_MAIL | syslog.LOG_DEBUG
|
||||
|
||||
def log_debug(self, txt):
|
||||
'''
|
||||
Debug log. Only active if verbose mode is enabled.
|
||||
Content is not recorded.
|
||||
'''
|
||||
if self.verbose:
|
||||
if self.use_syslog:
|
||||
syslog.syslog(self.syslog_debug, txt)
|
||||
else:
|
||||
sys.stderr.write(txt)
|
||||
|
||||
def log(self, txt):
|
||||
'''
|
||||
Regular info log. Content is not recorded.
|
||||
'''
|
||||
if self.use_syslog:
|
||||
syslog.syslog(self.syslog_info, txt)
|
||||
else:
|
||||
sys.stderr.write(txt)
|
||||
|
||||
def log_warn(self, txt):
|
||||
'''
|
||||
Warning log. Content is recorded.
|
||||
'''
|
||||
self.warnings += txt
|
||||
if self.use_syslog:
|
||||
syslog.syslog(self.syslog_warn, txt)
|
||||
else:
|
||||
sys.stderr.write(txt)
|
||||
|
||||
def log_exception(self, txt, ex, verbose=False):
|
||||
'''
|
||||
Exception log. Content is recorded. In verbose mode the
|
||||
traceback is recorded as well.
|
||||
'''
|
||||
etxt = '%s: %s' % (type(ex).__name__, ex)
|
||||
txt = 'REMAIL: %s: %s\n' % (txt, etxt)
|
||||
if self.verbose or verbose:
|
||||
txt += '%s\n' % (traceback.format_exc())
|
||||
self.exceptions += txt
|
||||
self.log_warn(txt)
|
||||
|
||||
def mergeconfig(key, cfgdict, defcfg, default):
|
||||
'''
|
||||
Return a merged configuration item.
|
||||
|
||||
@key: key to look up in @cfgdict and @defcfg
|
||||
@cfgdict: Dictionary which can contain @key
|
||||
@defcfg: If not None, it can contain an attr named @key
|
||||
@default: Used if neither @cfgdict nor @defcfg provide an answer
|
||||
|
||||
If @defcfg is not None, then the attr named @key is queried. If
|
||||
available it replaces @default.
|
||||
|
||||
If @key is in @cfgdict, then the value from @cnfdict is returned
|
||||
otherwise the default
|
||||
'''
|
||||
if defcfg:
|
||||
default = getattr(defcfg, key, default)
|
||||
return cfgdict.get(key, default)
|
||||
|
||||
def makepath(base, path):
|
||||
'''
|
||||
Returns a path built from @base and @path.
|
||||
|
||||
If @path is an absolute path, it is returned unmodified
|
||||
If @path is a relative path, it is appended to @base
|
||||
|
||||
Both @base and @path are user expanded, i.e ~/ or ~user/ are
|
||||
expanded to absolute pathes
|
||||
'''
|
||||
path = os.path.expanduser(path)
|
||||
if os.path.isabs(path):
|
||||
return path
|
||||
|
||||
base = os.path.expanduser(base)
|
||||
if not os.path.isabs(base):
|
||||
base = os.path.abspath(base)
|
||||
return os.path.join(base, path)
|
||||
5
remail/version.py
Normal file
5
remail/version.py
Normal file
|
|
@ -0,0 +1,5 @@
|
|||
#!/usr/bin/env python
|
||||
# SPDX-License-Identifier: GPL-2.0-only
|
||||
# Copyright Thomas Gleixner <tglx@linutronix.de>
|
||||
|
||||
__version__ = '0.3'
|
||||
74
remail_chkcfg
Executable file
74
remail_chkcfg
Executable file
|
|
@ -0,0 +1,74 @@
|
|||
#!/usr/bin/env python3
|
||||
# SPDX-License-Identifier: GPL-2.0-only
|
||||
# Copyright Thomas Gleixner <tglx@linutronix.de>
|
||||
#
|
||||
|
||||
from remail.utils import logger
|
||||
from remail.version import __version__
|
||||
from remail.remaild import remaild
|
||||
from remail.maillist import maillist_checker
|
||||
|
||||
from argparse import ArgumentParser
|
||||
|
||||
import sys
|
||||
import os
|
||||
|
||||
if __name__ == '__main__':
|
||||
parser = ArgumentParser(description='remail daemon')
|
||||
parser.add_argument('config', help='Config file')
|
||||
parser.add_argument('--enabled', '-e', dest='enabled', action='store_true',
|
||||
help='Show alist of enabled accounts. Implies -lnq')
|
||||
parser.add_argument('--list', '-l', dest='islist', action='store_true',
|
||||
help='List configuration check')
|
||||
parser.add_argument('--nokeys', '-n', dest='nokeys', action='store_true',
|
||||
help='Do not check keys')
|
||||
parser.add_argument('--quiet', '-q', dest='quiet', action='store_true',
|
||||
help='Quiet mode. Do not output the parsed config')
|
||||
parser.add_argument('--verbose', '-v', dest='verbose', action='store_true',
|
||||
help='Verbose logging')
|
||||
parser.add_argument('--version', '-V', action='version',
|
||||
version='%(prog)s {version}'.format(version=__version__))
|
||||
args = parser.parse_args()
|
||||
|
||||
if args.enabled:
|
||||
args.islist = True
|
||||
args.quiet = True
|
||||
args.nokeys = True
|
||||
|
||||
logger = logger(use_syslog=False, verbose=args.verbose)
|
||||
|
||||
# Change into the directory in which the config file resides
|
||||
wdir = os.path.dirname(args.config)
|
||||
if len(wdir):
|
||||
os.chdir(wdir)
|
||||
args.config = os.path.basename(args.config)
|
||||
|
||||
try:
|
||||
if not args.islist:
|
||||
rd = remaild(args.config, logger)
|
||||
else:
|
||||
rd = maillist_checker(args.config, logger)
|
||||
except Exception as ex:
|
||||
'''
|
||||
Exceptions which reach here are fatal
|
||||
'''
|
||||
logger.log_exception('', ex)
|
||||
sys.exit(11)
|
||||
|
||||
try:
|
||||
if not args.quiet:
|
||||
rd.show_config()
|
||||
if not args.nokeys:
|
||||
rd.check_keys()
|
||||
if args.enabled:
|
||||
rd.show_enabled()
|
||||
res = 0
|
||||
except Exception as ex:
|
||||
'''
|
||||
Exceptions which reach here are fatal
|
||||
'''
|
||||
logger.log_exception('', ex)
|
||||
res = 12
|
||||
|
||||
sys.exit(res)
|
||||
|
||||
57
remail_daemon
Executable file
57
remail_daemon
Executable file
|
|
@ -0,0 +1,57 @@
|
|||
#!/usr/bin/env python3
|
||||
# SPDX-License-Identifier: GPL-2.0-only
|
||||
# Copyright Thomas Gleixner <tglx@linutronix.de>
|
||||
#
|
||||
|
||||
from remail.utils import logger
|
||||
from remail.version import __version__
|
||||
from remail.remaild import remaild
|
||||
|
||||
from argparse import ArgumentParser
|
||||
|
||||
import sys
|
||||
import os
|
||||
|
||||
def exit_daemon(logger, res):
|
||||
logger.log('Stopped\n')
|
||||
sys.exit(res)
|
||||
|
||||
if __name__ == '__main__':
|
||||
parser = ArgumentParser(description='remail daemon')
|
||||
parser.add_argument('config', help='Config file')
|
||||
parser.add_argument('--syslog', '-s', dest='syslog', action='store_true',
|
||||
help='Use syslog for logging. Default is stderr')
|
||||
parser.add_argument('--verbose', '-v', dest='verbose', action='store_true',
|
||||
help='Verbose logging')
|
||||
parser.add_argument('--version', '-V', action='version',
|
||||
version='%(prog)s {version}'.format(version=__version__))
|
||||
args = parser.parse_args()
|
||||
|
||||
logger = logger(use_syslog=args.syslog, verbose=args.verbose)
|
||||
logger.log("Started\n")
|
||||
|
||||
# Change into the directory in which the config file resides
|
||||
wdir = os.path.dirname(args.config)
|
||||
if len(wdir):
|
||||
os.chdir(wdir)
|
||||
args.config = os.path.basename(args.config)
|
||||
|
||||
try:
|
||||
rd = remaild(args.config, logger)
|
||||
except Exception as ex:
|
||||
'''
|
||||
Exceptions which reach here are fatal
|
||||
'''
|
||||
logger.log_exception('', ex, verbose=True)
|
||||
exit_daemon(logger, 11)
|
||||
|
||||
try:
|
||||
res = rd.run()
|
||||
except Exception as ex:
|
||||
'''
|
||||
Exceptions which reach here are fatal
|
||||
'''
|
||||
logger.log_exception('', ex, verbose=True)
|
||||
res = 12
|
||||
|
||||
exit_daemon(logger, res)
|
||||
Loading…
Reference in a new issue