-
Notifications
You must be signed in to change notification settings - Fork 46
/
Copy pathinit.lua
503 lines (399 loc) · 11.8 KB
/
init.lua
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
-----------------------------------------------------------------------------
-- Belial web waf
-- Author: 逆雪寒
-- Copyright (c) 2013 半夜三更
-----------------------------------------------------------------------------
local Conf = require("config")
local result = require("rule")
local regularRule,ccUrlList = result["regularRule"],result["ccUrlList"]
local optionIsOn = function (options) return options == "On" and true or false end
_Object = {
__DEBUG__ = true,
_Conf = {
whiteListFileName = Conf.allowAccessPostFilePath,
belialFileName = Conf.belialFileLogPath,
rejectList = Conf.rejectPostLogPath,
ipDenyList = Conf.denyIPAccess,
ccMatch = optionIsOn(Conf.ccMatch),
ccDebug = optionIsOn(Conf.ccDebug),
autoDenyIpModule = optionIsOn(Conf.autoDenyIpModule),
postMatch = optionIsOn(Conf.postMatch),
cookieMatch = optionIsOn(Conf.cookieMatch),
ngxPathInfoFixModule = optionIsOn(Conf.ngxPathInfoFixModule),
whiteModule = optionIsOn(Conf.whiteModule),
getTogether = optionIsOn(Conf.getTogether),
toLog = optionIsOn(Conf.toLog),
ccGlobalLog = optionIsOn(Conf.ccGlobalLog)
},
Conf = Conf,
CcRule = ccUrlList, --cc list
_ListState = {
down = 0,
valid = 1
},
_ErrorLevel = {
error = "error",
notice = "notice"
}
}
function _Object:BelialFactory(o)
setmetatable(o,{__index=self})
return o
end
function _Object:saveFile(data,target)
if self._Conf.toLog then
local fd = io.open(target,"ab")
if fd == nil then return end
fd:write(data .. "\n")
fd:flush()
fd:close()
end
end
function _Object:cclog(msg)
self:saveFile(msg,self.Conf.ccDebugLogPath)
end
function _Object:ccGlobalLog(msg)
self:saveFile(msg,self.Conf.ccGloablLogPath)
end
function _Object:toLog(msg,level)
self:saveFile("["..((not level and "notice") or level).."]::"..msg,self._Conf.belialFileName)
end
--写入白名单
function _Object:toWhiteFile(data)
self:saveFile(data,self._Conf.whiteListFileName)
end
function _Object:inTable(_table,var)
if type(_table) ~= "table" then return false end
for _,v in pairs(_table) do
if v == var then
return true
end
end
return false
end
function _Object:inIpList(_table,var)
if type(_table) ~= "table" or self:_False(_table) then return false end
for _,v in pairs(_table) do
if v == string.gsub(var,"(%w+)%.(%w+)%.(%w+)%.(%w+)","%1.%2.%3.*") then
return true
end
if v == var then
return true
end
end
return false
end
function _Object:_False(var)
if var == 0 or var == "" or var == nil or var == false then
return true
end
return false
end
function _Object:explode (_str,seperator)
local pos, arr = 0, {}
for st, sp in function() return string.find( _str, seperator, pos, true ) end do
table.insert( arr,string.sub( _str, pos, st-1 ))
pos = sp + 1
end
table.insert( arr, string.sub( _str, pos ) )
return arr
end
function _Object:split(line)
local _tokens = {}
for token in string.gmatch(line, "[^%s]+") do
table.insert(_tokens,token)
end
return _tokens[1],_tokens[2],_tokens[3]
end
--调试
function _Object:__debugOutput(msg)
if self.__DEBUG__ then self:toLog(msg) end
end
function _Object:__debugDisplay(msg)
if self.__DEBUG__ then
ngx.header.content_type = "text/html"
ngx.say(msg)
ngx.exit(ngx.HTTP_OK)
end
end
Belial = _Object:BelialFactory({
__Belial_version__ = "1.0",
_baseRegexFilterRule = ""
})
function Belial:new()
self._baseRegexFilterRule = regularRule[self.Conf.regularRule] and regularRule[self.Conf.regularRule] or regularRule["default"]
return self
end
--收集白名单
function Belial:toWhiteList(data)
self:toWhiteFile(data)
end
function Belial:errorPage(error)
local _tpl = string.format([[<html>
<head><title>Belial waf/%s</title></head>
<body bgcolor="white">
<center><h1>%s</h1></center>
<hr><center>belial/%s</center>
</body>
</html>
]],self.__Belial_version__,error,self.__Belial_version__)
--自定义攻击界面
local attachPageHtml = self:attackHtmlPage()
if attachPageHtml then
_tpl = attachPageHtml
end
ngx.header.content_type = "text/html"
ngx.say(_tpl)
ngx.exit(ngx.HTTP_OK)
end
--自定意攻击拦截页面
function Belial:attackHtmlPage()
if self.Conf.attackHtmlPageName ~= "" then
local fd = io.open(self.Conf.attackHtmlPageName,"rb")
if fd == nil then
return
end
return fd:read("*a")
else
return nil
end
end
function Belial:getClientIp()
IP = ngx.req.get_headers()["X-Real-IP"]
if IP == nil then
IP = ngx.var.remote_addr
end
if IP == nil then
IP = "unknown"
end
return IP
end
function Belial:start(safeModule)
for _,m in pairs(safeModule) do m() end
end
-- ngx.share.dict
NgxShareDict = _Object:BelialFactory({belialBaiDict=nil})
function NgxShareDict:new()
self.belialBaiDict = ngx.shared.belial_post_allow
if not self.belialBaiDict then
if self._Conf.whiteModule then self:toLog("belial_post_allow is not defined in nginx.conf",self._ErrorLevel.notice) end
return false
end
self:loadWhiteListToShareDict()
return self
end
function NgxShareDict:set(line,ac)
local succ, err, forcible = self.belialBaiDict:add(line,ac)
--内存不足提示
if not succ then self:toLog("belial_post_allow belial error:" .. err,self._ErrorLevel.notice) end
if forcible then self:toLog("belial_post_allow belial will be full",self._ErrorLevel.notice) end
end
function NgxShareDict:get(k)
return self.belialBaiDict:get(k)
end
function NgxShareDict:flush()
self.belialBaiDict:flush_all()
end
--加载白名单到shared
function NgxShareDict:loadWhiteListToShareDict()
if self.belialBaiDict == nil then return end
self:flush()
local fd = io.open(self._Conf.whiteListFileName,"rb")
if fd == nil then
self:toLog(self._Conf.whiteListFileName .. " is not found",self._ErrorLevel.notice)
return
end
for line in fd:lines() do
local rule = line
local ac = self._ListState["valid"]
local prefix = string.sub(rule,1,1)
if prefix == "#" then --被注释
rule = string.sub(rule,2)
ac = self._ListState["down"]
end
if rule then
rule = self.Conf.webProjectRootDirectory ..rule --完整白名单路径
self:set(rule,ac)
end
end
fd:close()
end
denyIpAccessDict = _Object:BelialFactory({
denyIPlist = {}
})
function denyIpAccessDict:set(k)
if not self:inTable(self.denyIPlist,k) then
table.insert(self.denyIPlist,k)
end
end
function denyIpAccessDict:new()
self:load()
return self
end
function denyIpAccessDict:get(k)
return self:inTable(self.denyIPlist,k)
end
function denyIpAccessDict:flush()
for _,v in pairs(self.denyIPlist) do tab[k]=nil end
end
function denyIpAccessDict:print()
self:__debugOutput(table.concat(self.denyIPlist," "),"notice")
end
function denyIpAccessDict:load()
if not self.Conf.denyIPAccess then return end
local denyIpAccessFileName = self._Conf.ipDenyList
if self:_False(denyIpAccessFileName) then return end
local fd = io.open(denyIpAccessFileName,"rb")
if fd == nil then
self:toLog(denyIpAccessFileName .. " is not found",self._ErrorLevel.notice)
return
end
for ip in fd:lines() do
if ip then
self:set(ip)
end
end
fd:close()
end
--自动防护模式
NgxAutoDenyDict = _Object:BelialFactory({
belialAudoDenyDict=nil,
__exptime__ = 86400 --exptime
})
function NgxAutoDenyDict:new()
self.belialAudoDenyDict = ngx.shared.belial_auto_deny
if self.belialAudoDenyDict == nil then
if self._Conf.autoDenyIpModule then self:toLog("belial_auto_deny is not defined in nginx.conf",self._ErrorLevel.notice) end
return false
end
self.__exptime__ = self.Conf.autoDenyRuleExptimeSecond
self:flush()
return self
end
function NgxAutoDenyDict:set(line,ac)
local succ, err, forcible = self.belialAudoDenyDict:add(line,ac,self.__exptime__)
--内存不足提示
if not succ then self:toLog("belial_auto_deny belial error:" .. err,self._ErrorLevel.notice) end
if forcible then self:toLog("belial_auto_deny belial will be full",self._ErrorLevel.notice) end
end
function NgxAutoDenyDict:get(k)
return self.belialAudoDenyDict:get(k)
end
function NgxAutoDenyDict:delete(k)
self.belialAudoDenyDict:delete(k)
end
function NgxAutoDenyDict:replace(k,v)
self.belialAudoDenyDict:replace(k,v,self.__exptime__)
end
function NgxAutoDenyDict:flush()
self.belialAudoDenyDict:flush_all()
end
function NgxAutoDenyDict:format(times,attackAmount,requestAmountMilliseconds)
return times .. " " ..attackAmount .. " " ..requestAmountMilliseconds
end
--cc防御存储
NgxCCDict = _Object:BelialFactory({
belialCCDict=nil,
__exptime__ = 86400 --exptime
})
function NgxCCDict:new()
self.belialCCDict = ngx.shared.belial_cc_deny
if self.belialCCDict == nil then
if self._Conf.ccMatch then self:toLog("belial_cc_deny is not defined in nginx.conf",self._ErrorLevel.notice) end
return false
end
self.__exptime__ = self.Conf.ccDenyTagExptimeSecond
self:flush()
return self
end
function NgxCCDict:set(line,ac)
local succ, err, forcible = self.belialCCDict:add(line,ac,self.__exptime__)
--内存不足提示
if not succ then self:toLog("belial_cc_deny error:" .. err,self._ErrorLevel.notice) end
if forcible then self:toLog("belial_cc_deny will be full",self._ErrorLevel.notice) end
end
function NgxCCDict:get(k)
return self.belialCCDict:get(k)
end
function NgxCCDict:replace(k,v)
self.belialCCDict:replace(k,v,self.__exptime__)
end
function NgxCCDict:incr(k)
self.belialCCDict:incr(k,1)
end
function NgxCCDict:delete(k)
self.belialCCDict:delete(k)
end
function NgxCCDict:flush()
self.belialCCDict:flush_all()
end
--cc防御存储
NgxCCGlobalDict = _Object:BelialFactory({
belialCCGlobalDict=nil,
__exptime__ = 86400 --exptime
})
function NgxCCGlobalDict:new()
self.belialCCGlobalDict = ngx.shared.belial_cc_global
if self.belialCCGlobalDict == nil then
if self._Conf.ccGlobalLog then self:toLog("belial_cc_global is not defined in nginx.conf",self._ErrorLevel.notice) end
return false
end
self.__exptime__ = self.Conf.ccGlobalRuleExptimeSecond
self:flush()
return self
end
function NgxCCGlobalDict:set(line,ac)
local succ, err, forcible = self.belialCCGlobalDict:add(line,ac,self.__exptime__)
--内存不足提示
if not succ then self:toLog("belial_cc_global error:" .. err,self._ErrorLevel.notice) end
if forcible then self:toLog("belial_cc_global will be full",self._ErrorLevel.notice) end
end
function NgxCCGlobalDict:get(k)
return self.belialCCGlobalDict:get(k)
end
function NgxCCGlobalDict:replace(k,v)
self.belialCCGlobalDict:replace(k,v,self.__exptime__)
end
function NgxCCGlobalDict:incr(k)
self.belialCCGlobalDict:incr(k,1)
end
function NgxCCGlobalDict:delete(k)
self.belialCCGlobalDict:delete(k)
end
function NgxCCGlobalDict:flush()
self.belialCCGlobalDict:flush_all()
end
--global denyip ngxShareDict
NgxGlobalDenyIpDict = _Object:BelialFactory({
belialglobalDenyIpDict=nil,
__exptime__ = 86400 --exptime
})
function NgxGlobalDenyIpDict:new()
self.belialglobalDenyIpDict = ngx.shared.belial_global_deny_ip
if self.belialglobalDenyIpDict == nil then
self:toLog("belial_global_deny_ip is not defined in nginx.conf",self._ErrorLevel.notice)
return false
end
self.__exptime__ = self.Conf.globaldenyIpNgxShareDictExptimeSecond
self:flush()
return self
end
function NgxGlobalDenyIpDict:set(line,ac,exptime)
exptime = exptime == 0 and self.__exptime__ or exptime
local succ, err, forcible = self.belialglobalDenyIpDict:add(line,ac,exptime)
--内存不足提示
--if not succ then self:toLog("belialglobalDenyIpDict error:" .. err,self._ErrorLevel.error) end
if forcible then self:toLog("belial_global_deny_ip will be full",self._ErrorLevel.notice) end
end
function NgxGlobalDenyIpDict:get(k)
return self.belialglobalDenyIpDict:get(k)
end
function NgxGlobalDenyIpDict:flush()
self.belialglobalDenyIpDict:flush_all()
end
BlShareDict = NgxShareDict:new()
IpAccessDict = denyIpAccessDict:new()
audoDenyDict = NgxAutoDenyDict:new()
ccDict = NgxCCDict:new()
ccGlobalDict = NgxCCGlobalDict:new()
globalDenyIpDict = NgxGlobalDenyIpDict:new()