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-rw-r--r--rules/headers_checks.lua248
1 files changed, 144 insertions, 104 deletions
diff --git a/rules/headers_checks.lua b/rules/headers_checks.lua
index f3d93efe7..f28b0bc7a 100644
--- a/rules/headers_checks.lua
+++ b/rules/headers_checks.lua
@@ -23,7 +23,7 @@ local tonumber = tonumber
local fun = require "fun"
local E = {}
-local rcvd_cb_id = rspamd_config:register_symbol{
+local rcvd_cb_id = rspamd_config:register_symbol {
name = 'CHECK_RECEIVED',
type = 'callback',
score = 0.0,
@@ -40,12 +40,12 @@ local rcvd_cb_id = rspamd_config:register_symbol{
local def = 'ZERO'
local received = task:get_received_headers()
local nreceived = fun.reduce(function(acc, rcvd)
- return acc + 1
- end, 0, fun.filter(function(h)
- return not h['flags']['artificial']
- end, received))
+ return acc + 1
+ end, 0, fun.filter(function(h)
+ return not h['flags']['artificial']
+ end, received))
- for k,v in pairs(cnts) do
+ for k, v in pairs(cnts) do
if nreceived >= tonumber(k) then
def = v
end
@@ -55,7 +55,7 @@ local rcvd_cb_id = rspamd_config:register_symbol{
end
}
-rspamd_config:register_symbol{
+rspamd_config:register_symbol {
name = 'RCVD_COUNT_ZERO',
score = 0.0,
parent = rcvd_cb_id,
@@ -63,7 +63,7 @@ rspamd_config:register_symbol{
description = 'Message has no Received headers',
group = 'headers',
}
-rspamd_config:register_symbol{
+rspamd_config:register_symbol {
name = 'RCVD_COUNT_ONE',
score = 0.0,
parent = rcvd_cb_id,
@@ -71,7 +71,7 @@ rspamd_config:register_symbol{
description = 'Message has one Received header',
group = 'headers',
}
-rspamd_config:register_symbol{
+rspamd_config:register_symbol {
name = 'RCVD_COUNT_TWO',
score = 0.0,
parent = rcvd_cb_id,
@@ -79,7 +79,7 @@ rspamd_config:register_symbol{
description = 'Message has two Received headers',
group = 'headers',
}
-rspamd_config:register_symbol{
+rspamd_config:register_symbol {
name = 'RCVD_COUNT_THREE',
score = 0.0,
parent = rcvd_cb_id,
@@ -87,7 +87,7 @@ rspamd_config:register_symbol{
description = 'Message has 3-5 Received headers',
group = 'headers',
}
-rspamd_config:register_symbol{
+rspamd_config:register_symbol {
name = 'RCVD_COUNT_FIVE',
score = 0.0,
parent = rcvd_cb_id,
@@ -95,7 +95,7 @@ rspamd_config:register_symbol{
description = 'Message has 5-7 Received headers',
group = 'headers',
}
-rspamd_config:register_symbol{
+rspamd_config:register_symbol {
name = 'RCVD_COUNT_SEVEN',
score = 0.0,
parent = rcvd_cb_id,
@@ -103,7 +103,7 @@ rspamd_config:register_symbol{
description = 'Message has 7-11 Received headers',
group = 'headers',
}
-rspamd_config:register_symbol{
+rspamd_config:register_symbol {
name = 'RCVD_COUNT_TWELVE',
score = 0.0,
parent = rcvd_cb_id,
@@ -118,8 +118,8 @@ local prio_cb_id = rspamd_config:register_symbol {
description = 'X-Priority check callback rule',
score = 0.0,
group = 'headers',
- callback = function (task)
- local cnts = {
+ callback = function(task)
+ local cnts = {
[1] = 'ONE',
[2] = 'TWO',
[3] = 'THREE',
@@ -127,11 +127,13 @@ local prio_cb_id = rspamd_config:register_symbol {
}
local def = 'ZERO'
local xprio = task:get_header('X-Priority');
- if not xprio then return false end
- local _,_,x = xprio:find('^%s?(%d+)');
+ if not xprio then
+ return false
+ end
+ local _, _, x = xprio:find('^%s?(%d+)');
if (x) then
x = tonumber(x)
- for k,v in pairs(cnts) do
+ for k, v in pairs(cnts) do
if x >= tonumber(k) then
def = v
end
@@ -140,7 +142,7 @@ local prio_cb_id = rspamd_config:register_symbol {
end
end
}
-rspamd_config:register_symbol{
+rspamd_config:register_symbol {
name = 'HAS_X_PRIO_ZERO',
score = 0.0,
parent = prio_cb_id,
@@ -148,7 +150,7 @@ rspamd_config:register_symbol{
description = 'Message has X-Priority header set to 0',
group = 'headers',
}
-rspamd_config:register_symbol{
+rspamd_config:register_symbol {
name = 'HAS_X_PRIO_ONE',
score = 0.0,
parent = prio_cb_id,
@@ -156,7 +158,7 @@ rspamd_config:register_symbol{
description = 'Message has X-Priority header set to 1',
group = 'headers',
}
-rspamd_config:register_symbol{
+rspamd_config:register_symbol {
name = 'HAS_X_PRIO_TWO',
score = 0.0,
parent = prio_cb_id,
@@ -164,7 +166,7 @@ rspamd_config:register_symbol{
description = 'Message has X-Priority header set to 2',
group = 'headers',
}
-rspamd_config:register_symbol{
+rspamd_config:register_symbol {
name = 'HAS_X_PRIO_THREE',
score = 0.0,
parent = prio_cb_id,
@@ -172,7 +174,7 @@ rspamd_config:register_symbol{
description = 'Message has X-Priority header set to 3 or 4',
group = 'headers',
}
-rspamd_config:register_symbol{
+rspamd_config:register_symbol {
name = 'HAS_X_PRIO_FIVE',
score = 0.0,
parent = prio_cb_id,
@@ -214,7 +216,7 @@ local check_replyto_id = rspamd_config:register_symbol({
end
-- See if Reply-To matches From in some way
- local from = task:get_from{'mime', 'orig'}
+ local from = task:get_from { 'mime', 'orig' }
local from_h = get_raw_header(task, 'From')
if not (from and from[1]) then
return false
@@ -257,7 +259,7 @@ local check_replyto_id = rspamd_config:register_symbol({
end
})
-rspamd_config:register_symbol{
+rspamd_config:register_symbol {
name = 'REPLYTO_UNPARSEABLE',
score = 1.0,
parent = check_replyto_id,
@@ -265,7 +267,7 @@ rspamd_config:register_symbol{
description = 'Reply-To header could not be parsed',
group = 'headers',
}
-rspamd_config:register_symbol{
+rspamd_config:register_symbol {
name = 'HAS_REPLYTO',
score = 0.0,
parent = check_replyto_id,
@@ -273,7 +275,7 @@ rspamd_config:register_symbol{
description = 'Has Reply-To header',
group = 'headers',
}
-rspamd_config:register_symbol{
+rspamd_config:register_symbol {
name = 'REPLYTO_EQ_FROM',
score = 0.0,
parent = check_replyto_id,
@@ -281,7 +283,7 @@ rspamd_config:register_symbol{
description = 'Reply-To header is identical to From header',
group = 'headers',
}
-rspamd_config:register_symbol{
+rspamd_config:register_symbol {
name = 'REPLYTO_ADDR_EQ_FROM',
score = 0.0,
parent = check_replyto_id,
@@ -289,7 +291,7 @@ rspamd_config:register_symbol{
description = 'Reply-To header is identical to SMTP From',
group = 'headers',
}
-rspamd_config:register_symbol{
+rspamd_config:register_symbol {
name = 'REPLYTO_DOM_EQ_FROM_DOM',
score = 0.0,
parent = check_replyto_id,
@@ -297,7 +299,7 @@ rspamd_config:register_symbol{
description = 'Reply-To domain matches the From domain',
group = 'headers',
}
-rspamd_config:register_symbol{
+rspamd_config:register_symbol {
name = 'REPLYTO_DOM_NEQ_FROM_DOM',
score = 0.0,
parent = check_replyto_id,
@@ -305,7 +307,7 @@ rspamd_config:register_symbol{
description = 'Reply-To domain does not match the From domain',
group = 'headers',
}
-rspamd_config:register_symbol{
+rspamd_config:register_symbol {
name = 'REPLYTO_DN_EQ_FROM_DN',
score = 0.0,
parent = check_replyto_id,
@@ -313,7 +315,7 @@ rspamd_config:register_symbol{
description = 'Reply-To display name matches From',
group = 'headers',
}
-rspamd_config:register_symbol{
+rspamd_config:register_symbol {
name = 'REPLYTO_EMAIL_HAS_TITLE',
score = 2.0,
parent = check_replyto_id,
@@ -321,7 +323,7 @@ rspamd_config:register_symbol{
description = 'Reply-To header has title',
group = 'headers',
}
-rspamd_config:register_symbol{
+rspamd_config:register_symbol {
name = 'REPLYTO_EQ_TO_ADDR',
score = 5.0,
parent = check_replyto_id,
@@ -332,7 +334,7 @@ rspamd_config:register_symbol{
rspamd_config:register_dependency('CHECK_REPLYTO', 'CHECK_FROM')
-local check_mime_id = rspamd_config:register_symbol{
+local check_mime_id = rspamd_config:register_symbol {
name = 'CHECK_MIME',
type = 'callback',
group = 'headers',
@@ -383,7 +385,7 @@ local check_mime_id = rspamd_config:register_symbol{
end
}
-rspamd_config:register_symbol{
+rspamd_config:register_symbol {
name = 'MISSING_MIME_VERSION',
score = 2.0,
parent = check_mime_id,
@@ -391,7 +393,7 @@ rspamd_config:register_symbol{
description = 'MIME-Version header is missing in MIME message',
group = 'headers',
}
-rspamd_config:register_symbol{
+rspamd_config:register_symbol {
name = 'MIME_MA_MISSING_TEXT',
score = 2.0,
parent = check_mime_id,
@@ -399,7 +401,7 @@ rspamd_config:register_symbol{
description = 'MIME multipart/alternative missing text/plain part',
group = 'headers',
}
-rspamd_config:register_symbol{
+rspamd_config:register_symbol {
name = 'MIME_MA_MISSING_HTML',
score = 1.0,
parent = check_mime_id,
@@ -411,12 +413,16 @@ rspamd_config:register_symbol{
-- Used to be called IS_LIST
rspamd_config.PREVIOUSLY_DELIVERED = {
callback = function(task)
- if not task:has_recipients(2) then return false end
+ if not task:has_recipients(2) then
+ return false
+ end
local to = task:get_recipients(2)
local rcvds = task:get_header_full('Received')
- if not rcvds then return false end
+ if not rcvds then
+ return false
+ end
for _, rcvd in ipairs(rcvds) do
- local _,_,addr = rcvd['decoded']:lower():find("%sfor%s<(.-)>")
+ local _, _, addr = rcvd['decoded']:lower():find("%sfor%s<(.-)>")
if addr then
for _, toa in ipairs(to) do
if toa and toa.addr:lower() == addr then
@@ -442,8 +448,10 @@ rspamd_config.BROKEN_HEADERS = {
rspamd_config.BROKEN_CONTENT_TYPE = {
callback = function(task)
- return fun.any(function(p) return p:is_broken() end,
- task:get_parts())
+ return fun.any(function(p)
+ return p:is_broken()
+ end,
+ task:get_parts())
end,
score = 1.5,
group = 'headers',
@@ -451,18 +459,20 @@ rspamd_config.BROKEN_CONTENT_TYPE = {
}
rspamd_config.HEADER_RCONFIRM_MISMATCH = {
- callback = function (task)
+ callback = function(task)
local header_from = nil
local cread = task:get_header('X-Confirm-Reading-To')
if task:has_from('mime') then
- header_from = task:get_from('mime')[1]
+ header_from = task:get_from('mime')[1]
end
local header_cread = nil
if cread then
local headers_cread = util.parse_mail_address(cread, task:get_mempool())
- if headers_cread then header_cread = headers_cread[1] end
+ if headers_cread then
+ header_cread = headers_cread[1]
+ end
end
if header_from and header_cread then
@@ -480,9 +490,11 @@ rspamd_config.HEADER_RCONFIRM_MISMATCH = {
}
rspamd_config.HEADER_FORGED_MDN = {
- callback = function (task)
+ callback = function(task)
local mdn = task:get_header('Disposition-Notification-To')
- if not mdn then return false end
+ if not mdn then
+ return false
+ end
local header_rp = nil
if task:has_from('smtp') then
@@ -492,9 +504,15 @@ rspamd_config.HEADER_FORGED_MDN = {
-- Parse mail addr
local headers_mdn = util.parse_mail_address(mdn, task:get_mempool())
- if headers_mdn and not header_rp then return true end
- if header_rp and not headers_mdn then return false end
- if not headers_mdn and not header_rp then return false end
+ if headers_mdn and not header_rp then
+ return true
+ end
+ if header_rp and not headers_mdn then
+ return false
+ end
+ if not headers_mdn and not header_rp then
+ return false
+ end
local found_match = false
for _, h in ipairs(headers_mdn) do
@@ -535,7 +553,7 @@ rspamd_config.MULTIPLE_UNIQUE_HEADERS = {
local max_mult = 0.0
local res_tbl = {}
- for hdr,mult in pairs(headers_unique) do
+ for hdr, mult in pairs(headers_unique) do
local hc = task:get_header_count(hdr)
if hc > 1 then
@@ -548,7 +566,7 @@ rspamd_config.MULTIPLE_UNIQUE_HEADERS = {
end
if res > 0 then
- return true,max_mult,table.concat(res_tbl, ',')
+ return true, max_mult, table.concat(res_tbl, ',')
end
return false
@@ -577,7 +595,9 @@ rspamd_config.MULTIPLE_FROM = {
callback = function(task)
local from = task:get_from('mime')
if from and from[2] then
- return true, 1.0, fun.totable(fun.map(function(a) return a.raw end, from))
+ return true, 1.0, fun.totable(fun.map(function(a)
+ return a.raw
+ end, from))
end
return false
end,
@@ -587,7 +607,7 @@ rspamd_config.MULTIPLE_FROM = {
}
rspamd_config.MV_CASE = {
- callback = function (task)
+ callback = function(task)
return task:has_header('Mime-Version', true)
end,
description = 'Mime-Version .vs. MIME-Version',
@@ -595,7 +615,7 @@ rspamd_config.MV_CASE = {
group = 'headers'
}
-local check_from_id = rspamd_config:register_symbol{
+local check_from_id = rspamd_config:register_symbol {
name = 'CHECK_FROM',
type = 'callback',
score = 0.0,
@@ -610,10 +630,10 @@ local check_from_id = rspamd_config:register_symbol{
if not (from[1]["flags"]["valid"]) then
task:insert_result('FROM_INVALID', 1.0)
end
- if (from[1].name == nil or from[1].name == '' ) then
+ if (from[1].name == nil or from[1].name == '') then
task:insert_result('FROM_NO_DN', 1.0)
elseif (from[1].name and
- util.strequal_caseless(from[1].name, from[1].addr)) then
+ util.strequal_caseless(from[1].name, from[1].addr)) then
task:insert_result('FROM_DN_EQ_ADDR', 1.0)
elseif (from[1].name and from[1].name ~= '') then
task:insert_result('FROM_HAS_DN', 1.0)
@@ -622,11 +642,11 @@ local check_from_id = rspamd_config:register_symbol{
local match, match_end
match, match_end = n:find('^mrs?[%.%s]')
if match then
- task:insert_result('FROM_NAME_HAS_TITLE', 1.0, n:sub(match, match_end-1))
+ task:insert_result('FROM_NAME_HAS_TITLE', 1.0, n:sub(match, match_end - 1))
end
match, match_end = n:find('^dr[%.%s]')
if match then
- task:insert_result('FROM_NAME_HAS_TITLE', 1.0, n:sub(match, match_end-1))
+ task:insert_result('FROM_NAME_HAS_TITLE', 1.0, n:sub(match, match_end - 1))
end
-- Check for excess spaces
if n:find('%s%s') then
@@ -644,19 +664,21 @@ local check_from_id = rspamd_config:register_symbol{
end
local to = task:get_recipients(2)
- if not (to and to[1] and #to == 1 and from and from[1]) then return false end
+ if not (to and to[1] and #to == 1 and from and from[1]) then
+ return false
+ end
-- Check if FROM == TO
if (util.strequal_caseless(to[1].addr, from[1].addr)) then
task:insert_result('TO_EQ_FROM', 1.0)
elseif (to[1].domain and from[1].domain and
- util.strequal_caseless(to[1].domain, from[1].domain))
+ util.strequal_caseless(to[1].domain, from[1].domain))
then
task:insert_result('TO_DOM_EQ_FROM_DOM', 1.0)
end
end
}
-rspamd_config:register_symbol{
+rspamd_config:register_symbol {
name = 'ENVFROM_INVALID',
score = 2.0,
group = 'headers',
@@ -664,7 +686,7 @@ rspamd_config:register_symbol{
type = 'virtual',
description = 'Envelope from does not have a valid format',
}
-rspamd_config:register_symbol{
+rspamd_config:register_symbol {
name = 'FROM_INVALID',
score = 2.0,
group = 'headers',
@@ -672,7 +694,7 @@ rspamd_config:register_symbol{
type = 'virtual',
description = 'From header does not have a valid format',
}
-rspamd_config:register_symbol{
+rspamd_config:register_symbol {
name = 'FROM_NO_DN',
score = 0.0,
group = 'headers',
@@ -680,7 +702,7 @@ rspamd_config:register_symbol{
type = 'virtual',
description = 'From header does not have a display name',
}
-rspamd_config:register_symbol{
+rspamd_config:register_symbol {
name = 'FROM_DN_EQ_ADDR',
score = 1.0,
group = 'headers',
@@ -688,7 +710,7 @@ rspamd_config:register_symbol{
type = 'virtual',
description = 'From header display name is the same as the address',
}
-rspamd_config:register_symbol{
+rspamd_config:register_symbol {
name = 'FROM_HAS_DN',
score = 0.0,
group = 'headers',
@@ -696,7 +718,7 @@ rspamd_config:register_symbol{
type = 'virtual',
description = 'From header has a display name',
}
-rspamd_config:register_symbol{
+rspamd_config:register_symbol {
name = 'FROM_NAME_EXCESS_SPACE',
score = 1.0,
group = 'headers',
@@ -704,7 +726,7 @@ rspamd_config:register_symbol{
type = 'virtual',
description = 'From header display name contains excess whitespace',
}
-rspamd_config:register_symbol{
+rspamd_config:register_symbol {
name = 'FROM_NAME_HAS_TITLE',
score = 1.0,
group = 'headers',
@@ -712,7 +734,7 @@ rspamd_config:register_symbol{
type = 'virtual',
description = 'From header display name has a title (Mr/Mrs/Dr)',
}
-rspamd_config:register_symbol{
+rspamd_config:register_symbol {
name = 'FROM_EQ_ENVFROM',
score = 0.0,
group = 'headers',
@@ -720,7 +742,7 @@ rspamd_config:register_symbol{
type = 'virtual',
description = 'From address is the same as the envelope',
}
-rspamd_config:register_symbol{
+rspamd_config:register_symbol {
name = 'FROM_NEQ_ENVFROM',
score = 0.0,
group = 'headers',
@@ -728,7 +750,7 @@ rspamd_config:register_symbol{
type = 'virtual',
description = 'From address is different to the envelope',
}
-rspamd_config:register_symbol{
+rspamd_config:register_symbol {
name = 'TO_EQ_FROM',
score = 0.0,
group = 'headers',
@@ -736,7 +758,7 @@ rspamd_config:register_symbol{
type = 'virtual',
description = 'To address matches the From address',
}
-rspamd_config:register_symbol{
+rspamd_config:register_symbol {
name = 'TO_DOM_EQ_FROM_DOM',
score = 0.0,
group = 'headers',
@@ -745,7 +767,7 @@ rspamd_config:register_symbol{
description = 'To domain is the same as the From domain',
}
-local check_to_cc_id = rspamd_config:register_symbol{
+local check_to_cc_id = rspamd_config:register_symbol {
name = 'CHECK_TO_CC',
type = 'callback',
score = 0.0,
@@ -764,10 +786,12 @@ local check_to_cc_id = rspamd_config:register_symbol{
[50] = 'GT_50'
}
local def = 'ZERO'
- if (not to) then return false end
+ if (not to) then
+ return false
+ end
-- Add symbol for recipient count
local nrcpt = #to
- for k,v in pairs(cnts) do
+ for k, v in pairs(cnts) do
if nrcpt >= tonumber(k) then
def = v
end
@@ -820,7 +844,7 @@ local check_to_cc_id = rspamd_config:register_symbol{
end
}
-rspamd_config:register_symbol{
+rspamd_config:register_symbol {
name = 'RCPT_COUNT_ZERO',
score = 0.0,
parent = check_to_cc_id,
@@ -828,7 +852,7 @@ rspamd_config:register_symbol{
description = 'No recipients',
group = 'headers',
}
-rspamd_config:register_symbol{
+rspamd_config:register_symbol {
name = 'RCPT_COUNT_ONE',
score = 0.0,
parent = check_to_cc_id,
@@ -836,7 +860,7 @@ rspamd_config:register_symbol{
description = 'One recipient',
group = 'headers',
}
-rspamd_config:register_symbol{
+rspamd_config:register_symbol {
name = 'RCPT_COUNT_TWO',
score = 0.0,
parent = check_to_cc_id,
@@ -844,7 +868,7 @@ rspamd_config:register_symbol{
description = 'Two recipients',
group = 'headers',
}
-rspamd_config:register_symbol{
+rspamd_config:register_symbol {
name = 'RCPT_COUNT_THREE',
score = 0.0,
parent = check_to_cc_id,
@@ -852,7 +876,7 @@ rspamd_config:register_symbol{
description = '3-5 recipients',
group = 'headers',
}
-rspamd_config:register_symbol{
+rspamd_config:register_symbol {
name = 'RCPT_COUNT_FIVE',
score = 0.0,
parent = check_to_cc_id,
@@ -860,7 +884,7 @@ rspamd_config:register_symbol{
description = '5-7 recipients',
group = 'headers',
}
-rspamd_config:register_symbol{
+rspamd_config:register_symbol {
name = 'RCPT_COUNT_SEVEN',
score = 0.0,
parent = check_to_cc_id,
@@ -868,7 +892,7 @@ rspamd_config:register_symbol{
description = '7-11 recipients',
group = 'headers',
}
-rspamd_config:register_symbol{
+rspamd_config:register_symbol {
name = 'RCPT_COUNT_TWELVE',
score = 0.0,
parent = check_to_cc_id,
@@ -876,7 +900,7 @@ rspamd_config:register_symbol{
description = '12-50 recipients',
group = 'headers',
}
-rspamd_config:register_symbol{
+rspamd_config:register_symbol {
name = 'RCPT_COUNT_GT_50',
score = 0.0,
parent = check_to_cc_id,
@@ -885,7 +909,7 @@ rspamd_config:register_symbol{
group = 'headers',
}
-rspamd_config:register_symbol{
+rspamd_config:register_symbol {
name = 'TO_DN_RECIPIENTS',
score = 2.0,
group = 'headers',
@@ -893,7 +917,7 @@ rspamd_config:register_symbol{
type = 'virtual',
description = 'To header display name is "Recipients"',
}
-rspamd_config:register_symbol{
+rspamd_config:register_symbol {
name = 'TO_DN_NONE',
score = 0.0,
group = 'headers',
@@ -901,7 +925,7 @@ rspamd_config:register_symbol{
type = 'virtual',
description = 'None of the recipients have display names',
}
-rspamd_config:register_symbol{
+rspamd_config:register_symbol {
name = 'TO_DN_ALL',
score = 0.0,
group = 'headers',
@@ -909,7 +933,7 @@ rspamd_config:register_symbol{
type = 'virtual',
description = 'All the recipients have display names',
}
-rspamd_config:register_symbol{
+rspamd_config:register_symbol {
name = 'TO_DN_SOME',
score = 0.0,
group = 'headers',
@@ -917,7 +941,7 @@ rspamd_config:register_symbol{
type = 'virtual',
description = 'Some of the recipients have display names',
}
-rspamd_config:register_symbol{
+rspamd_config:register_symbol {
name = 'TO_DN_EQ_ADDR_ALL',
score = 0.0,
group = 'headers',
@@ -925,7 +949,7 @@ rspamd_config:register_symbol{
type = 'virtual',
description = 'All of the recipients have display names that are the same as their address',
}
-rspamd_config:register_symbol{
+rspamd_config:register_symbol {
name = 'TO_DN_EQ_ADDR_SOME',
score = 0.0,
group = 'headers',
@@ -933,7 +957,7 @@ rspamd_config:register_symbol{
type = 'virtual',
description = 'Some of the recipients have display names that are the same as their address',
}
-rspamd_config:register_symbol{
+rspamd_config:register_symbol {
name = 'TO_MATCH_ENVRCPT_ALL',
score = 0.0,
group = 'headers',
@@ -941,7 +965,7 @@ rspamd_config:register_symbol{
type = 'virtual',
description = 'All of the recipients match the envelope',
}
-rspamd_config:register_symbol{
+rspamd_config:register_symbol {
name = 'TO_MATCH_ENVRCPT_SOME',
score = 0.0,
group = 'headers',
@@ -954,8 +978,10 @@ rspamd_config:register_symbol{
rspamd_config.CTYPE_MISSING_DISPOSITION = {
callback = function(task)
local parts = task:get_parts()
- if (not parts) or (parts and #parts < 1) then return false end
- for _,p in ipairs(parts) do
+ if (not parts) or (parts and #parts < 1) then
+ return false
+ end
+ for _, p in ipairs(parts) do
local ct = p:get_header('Content-Type')
if (ct and ct:lower():match('^application/octet%-stream') ~= nil) then
local cd = p:get_header('Content-Disposition')
@@ -969,7 +995,7 @@ rspamd_config.CTYPE_MISSING_DISPOSITION = {
local parent = p:get_parent()
if parent then
- local t,st = parent:get_type()
+ local t, st = parent:get_type()
if t == 'multipart' and st == 'encrypted' then
-- Special case
@@ -991,15 +1017,21 @@ rspamd_config.CTYPE_MISSING_DISPOSITION = {
rspamd_config.CTYPE_MIXED_BOGUS = {
callback = function(task)
local ct = task:get_header('Content-Type')
- if (not ct) then return false end
+ if (not ct) then
+ return false
+ end
local parts = task:get_parts()
- if (not parts) then return false end
- if (not ct:lower():match('^multipart/mixed')) then return false end
+ if (not parts) then
+ return false
+ end
+ if (not ct:lower():match('^multipart/mixed')) then
+ return false
+ end
local found = false
-- Check each part and look for a part that isn't multipart/* or text/plain or text/html
local ntext_parts = 0
- for _,p in ipairs(parts) do
- local mtype,_ = p:get_type()
+ for _, p in ipairs(parts) do
+ local mtype, _ = p:get_type()
if mtype then
if mtype == 'text' and not p:is_attachment() then
ntext_parts = ntext_parts + 1
@@ -1013,7 +1045,9 @@ rspamd_config.CTYPE_MIXED_BOGUS = {
end
end
end
- if (not found) then return true end
+ if (not found) then
+ return true
+ end
return false
end,
description = 'multipart/mixed without non-textual part',
@@ -1023,7 +1057,9 @@ rspamd_config.CTYPE_MIXED_BOGUS = {
local function check_for_base64_text(part)
local ct = part:get_header('Content-Type')
- if (not ct) then return false end
+ if (not ct) then
+ return false
+ end
ct = ct:lower()
if (ct:match('^text')) then
-- Check encoding
@@ -1042,7 +1078,9 @@ rspamd_config.MIME_BASE64_TEXT = {
return true
else
local parts = task:get_parts()
- if (not parts) then return false end
+ if (not parts) then
+ return false
+ end
-- Check each part and look for base64 encoded text parts
for _, part in ipairs(parts) do
if (check_for_base64_text(part)) then
@@ -1060,7 +1098,9 @@ rspamd_config.MIME_BASE64_TEXT = {
rspamd_config.MIME_BASE64_TEXT_BOGUS = {
callback = function(task)
local parts = task:get_text_parts()
- if (not parts) then return false end
+ if (not parts) then
+ return false
+ end
-- Check each part and look for base64 encoded text parts
-- where the part does not have any 8bit characters within it
for _, part in ipairs(parts) do
@@ -1113,7 +1153,7 @@ rspamd_config.INVALID_RCPT_8BIT = {
}
rspamd_config.XM_CASE = {
- callback = function (task)
+ callback = function(task)
return task:has_header('X-mailer', true)
end,
description = 'X-mailer .vs. X-Mailer',
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-26 12:49:37 +0000