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Name	Size	Permission
antivirus.lua	11.24 KB	-rw-r--r--
arc.lua	26.72 KB	-rw-r--r--
asn.lua	4.78 KB	-rw-r--r--
aws_s3.lua	7.93 KB	-rw-r--r--
bayes_expiry.lua	14.21 KB	-rw-r--r--
bimi.lua	11.5 KB	-rw-r--r--
clickhouse.lua	49.6 KB	-rw-r--r--
clustering.lua	9.16 KB	-rw-r--r--
dcc.lua	3.19 KB	-rw-r--r--
dkim_signing.lua	5.25 KB	-rw-r--r--
dmarc.lua	21.89 KB	-rw-r--r--
dynamic_conf.lua	8.7 KB	-rw-r--r--
elastic.lua	54.28 KB	-rw-r--r--
emails.lua	128 B	-rw-r--r--
external_relay.lua	7.89 KB	-rw-r--r--
external_services.lua	12.3 KB	-rw-r--r--
force_actions.lua	7.67 KB	-rw-r--r--
forged_recipients.lua	5.32 KB	-rw-r--r--
fuzzy_collect.lua	5.46 KB	-rw-r--r--
gpt.lua	11.32 KB	-rw-r--r--
greylist.lua	16.36 KB	-rw-r--r--
hfilter.lua	16.15 KB	-rw-r--r--
history_redis.lua	9.31 KB	-rw-r--r--
http_headers.lua	6.46 KB	-rw-r--r--
ip_score.lua	130 B	-rw-r--r--
known_senders.lua	13.2 KB	-rw-r--r--
maillist.lua	6.55 KB	-rw-r--r--
maps_stats.lua	3.7 KB	-rw-r--r--
metadata_exporter.lua	20.19 KB	-rw-r--r--
metric_exporter.lua	6.4 KB	-rw-r--r--
mid.lua	3.58 KB	-rw-r--r--
milter_headers.lua	21 KB	-rw-r--r--
mime_types.lua	20.09 KB	-rw-r--r--
multimap.lua	40.08 KB	-rw-r--r--
mx_check.lua	11.42 KB	-rw-r--r--
neural.lua	32.82 KB	-rw-r--r--
once_received.lua	4.76 KB	-rw-r--r--
p0f.lua	2.88 KB	-rw-r--r--
phishing.lua	19.33 KB	-rw-r--r--
ratelimit.lua	22.77 KB	-rw-r--r--
rbl.lua	40.09 KB	-rw-r--r--
replies.lua	13.69 KB	-rw-r--r--
reputation.lua	39.69 KB	-rw-r--r--
rspamd_update.lua	4.07 KB	-rw-r--r--
settings.lua	40.17 KB	-rw-r--r--
spamassassin.lua	48.89 KB	-rw-r--r--
spamtrap.lua	5.87 KB	-rw-r--r--
spf.lua	7.49 KB	-rw-r--r--
trie.lua	4.89 KB	-rw-r--r--
url_redirector.lua	13.42 KB	-rw-r--r--
whitelist.lua	11.54 KB	-rw-r--r--

Code Editor : p0f.lua

--[[
Copyright (c) 2022, Vsevolod Stakhov <vsevolod@rspamd.com>
Copyright (c) 2019, Denis Paavilainen <denpa@denpa.pro>

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
]]--

-- Detect remote OS via passive fingerprinting

local lua_util = require "lua_util"
local lua_redis = require "lua_redis"
local rspamd_logger = require "rspamd_logger"
local p0f = require("lua_scanners").filter('p0f').p0f

local N = 'p0f'

if confighelp then
  rspamd_config:add_example(nil, N,
      'Detect remote OS via passive fingerprinting',
      [[
  p0f {
    # Enable module
    enabled = true

# Path to the unix socket that p0f listens on
    socket = '/var/run/p0f.sock';

# Connection timeout
    timeout = 5s;

# If defined, insert symbol with lookup results
    symbol = 'P0F';

# Patterns to match against results returned by p0f
    # Symbol will be yielded on OS string, link type or distance matches
    patterns = {
      WINDOWS = '^Windows.*';
      #DSL = '^DSL$';
      #DISTANCE10 = '^distance:10$';
    }

# Cache lifetime in seconds (default - 2 hours)
    expire = 7200;

# Cache key prefix
    prefix = 'p0f';
  }
  ]])
  return
end

local rule

local function check_p0f(task)
  local ip = task:get_from_ip()

if not (ip and ip:is_valid()) or ip:is_local() then
    return
  end

p0f.check(task, ip, rule)
end

local opts = rspamd_config:get_all_opt(N)

rule = p0f.configure(opts)

if rule then
  rule.redis_params = lua_redis.parse_redis_server(N)

lua_redis.register_prefix(rule.prefix .. '*', N,
      'P0f check cache', {
        type = 'string',
      })

local id = rspamd_config:register_symbol({
    name = 'P0F_CHECK',
    type = 'prefilter',
    callback = check_p0f,
    priority = lua_util.symbols_priorities.medium,
    flags = 'empty,nostat',
    group = N,
    augmentations = { string.format("timeout=%f", rule.timeout or 0.0) },

})

if rule.symbol then
    rspamd_config:register_symbol({
      name = rule.symbol,
      parent = id,
      type = 'virtual',
      flags = 'empty',
      group = N
    })
  end

for sym in pairs(rule.patterns) do
    lua_util.debugm(N, rspamd_config, 'registering: %1', {
      type = 'virtual',
      name = sym,
      parent = id,
      group = N
    })
    rspamd_config:register_symbol({
      type = 'virtual',
      name = sym,
      parent = id,
      group = N
    })
  end
else
  lua_util.disable_module(N, 'config')
  rspamd_logger.infox('p0f module not configured');
end

${this.title}

Code Editor : p0f.lua