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certbot/certbot-apache/certbot_apache/apache_util.py
Brad Warren 120137eb8d Revert disabling TLS session tickets in Apache (#7315)
See https://community.letsencrypt.org/t/ssl-error-after-cert-renew/99430.

The first commit of this PR is a simple, clean revert of #7191. Subsequent commits add back pieces of that PR we want to keep.

I also reverted #7299 which landed in a separate PR, but needs to be reverted to keep including the TLS config files in the certbot-apache package when it is built.

I tested this on Ubuntu 18.04 by installing a cert to Apache using Certbot master and then running certbot renew with this branch. I watched the Apache plugin update the configuration file to remove SSLSessionTickets off.

* Revert "Disable TLS session tickets for Apache 2.4.11+ (#7191)"

This reverts commit 9174c631d9.

* Keep hashes with TLS session tickets disabled.

* dont delete changelog entries

* add changelog entry

* Revert "Clean the useless entries in MANIFEST.in (#7299)"

This reverts commit f4d17d9a6b.
2019-08-08 16:23:37 -07:00

108 lines
3.1 KiB
Python

""" Utility functions for certbot-apache plugin """
import binascii
from certbot import util
from certbot.compat import os
def get_mod_deps(mod_name):
"""Get known module dependencies.
.. note:: This does not need to be accurate in order for the client to
run. This simply keeps things clean if the user decides to revert
changes.
.. warning:: If all deps are not included, it may cause incorrect parsing
behavior, due to enable_mod's shortcut for updating the parser's
currently defined modules (`.ApacheParser.add_mod`)
This would only present a major problem in extremely atypical
configs that use ifmod for the missing deps.
"""
deps = {
"ssl": ["setenvif", "mime"]
}
return deps.get(mod_name, [])
def get_file_path(vhost_path):
"""Get file path from augeas_vhost_path.
Takes in Augeas path and returns the file name
:param str vhost_path: Augeas virtual host path
:returns: filename of vhost
:rtype: str
"""
if not vhost_path or not vhost_path.startswith("/files/"):
return None
return _split_aug_path(vhost_path)[0]
def get_internal_aug_path(vhost_path):
"""Get the Augeas path for a vhost with the file path removed.
:param str vhost_path: Augeas virtual host path
:returns: Augeas path to vhost relative to the containing file
:rtype: str
"""
return _split_aug_path(vhost_path)[1]
def _split_aug_path(vhost_path):
"""Splits an Augeas path into a file path and an internal path.
After removing "/files", this function splits vhost_path into the
file path and the remaining Augeas path.
:param str vhost_path: Augeas virtual host path
:returns: file path and internal Augeas path
:rtype: `tuple` of `str`
"""
# Strip off /files
file_path = vhost_path[6:]
internal_path = []
# Remove components from the end of file_path until it becomes valid
while not os.path.exists(file_path):
file_path, _, internal_path_part = file_path.rpartition("/")
internal_path.append(internal_path_part)
return file_path, "/".join(reversed(internal_path))
def parse_define_file(filepath, varname):
""" Parses Defines from a variable in configuration file
:param str filepath: Path of file to parse
:param str varname: Name of the variable
:returns: Dict of Define:Value pairs
:rtype: `dict`
"""
return_vars = {}
# Get list of words in the variable
a_opts = util.get_var_from_file(varname, filepath).split()
for i, v in enumerate(a_opts):
# Handle Define statements and make sure it has an argument
if v == "-D" and len(a_opts) >= i+2:
var_parts = a_opts[i+1].partition("=")
return_vars[var_parts[0]] = var_parts[2]
elif len(v) > 2 and v.startswith("-D"):
# Found var with no whitespace separator
var_parts = v[2:].partition("=")
return_vars[var_parts[0]] = var_parts[2]
return return_vars
def unique_id():
""" Returns an unique id to be used as a VirtualHost identifier"""
return binascii.hexlify(os.urandom(16)).decode("utf-8")