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
|
-- acf model for squid
-- Copyright(c) 2007 A. Brodmann - Licensed under terms of GPL2
module (..., package.seeall)
require "posix"
require "format"
dansguardiancfg = "/etc/dansguardian/dansguardian.conf"
dansguardiancfg2 = "/etc/dansguardian/dansguardianf1.conf"
get_status = function()
local retval = "stopped"
local ptr = io.popen( "/bin/pidof dansguardian" )
local pid = ptr:read( "*a" )
ptr:close()
if pid ~= nil then
if #pid > 1 then
retval = "running"
end
end
return retval
end
service_control = function( control )
local retval = ""
local ptr = io.popen( "/etc/init.d/dansguardian " .. control, "r" )
if ptr ~= nil then
local retmsg = ptr:read( "*a" )
ptr:close()
if retmsg ~= nil then
retval = retmsg
else
retval = "service_control(): Failed to read output from initscript!\n"
end
else
retval = "service_control(): Failed to start/stop/restart service!\n"
end
return retval
end
get_dansguardian_version = function()
local retval = ""
local ptr = io.popen( "/usr/sbin/dansguardian -v" )
if ptr ~= nil then
retval = ptr:read( "*l" )
ptr:close()
else
retval = "Error - Failed to program version"
end
return retval
end
get_general_config = function()
local retval = {}
local error = ""
retval = { filterip = { label="Filter IP", type="text", value="" },
filterport = { label="Filter Port", type="text", value="" },
proxyip = { label="Proxy IP", type="text", value="" },
proxyport = { label="Proxy Port", type="text", value="" },
accessdeniedaddress = { label="AccessDeniedAddress", type="text", value="" },
naughtynesslimit = { label="NaughtynessLimit", type="text", value="" }
}
local fptr = io.open( dansguardiancfg, "r" )
if fptr ~= nil then
local line = fptr:read( "*l" )
while line ~= nil do
if string.sub( line, 1, 1 ) ~= "#" then
if string.sub( line, 1, 8 ) == "filterip" then
retval.filterip.value = get_cfg_value( line )
elseif string.sub( line, 1, 10 ) == "filterport" then
retval.filterport.value = get_cfg_value( line )
elseif string.sub( line, 1, 7 ) == "proxyip" then
retval.proxyip.value = get_cfg_value( line )
elseif string.sub( line, 1, 9 ) == "proxyport" then
retval.proxyport.value = get_cfg_value( line )
elseif string.sub( line, 1, 19 ) == "accessdeniedaddress" then
retval.accessdeniedaddress.value = get_cfg_value( line )
end
end
line = fptr:read( "*l" ) -- read one config file
end
fptr:close()
else
error = "Failed to open " .. dansguardiancfg .. " file!"
end
local fptr2 = io.open( dansguardiancfg2, "r" )
if fptr2 ~= nil then
local line = fptr2:read( "*l" )
while line ~= nil do
if string.sub( line, 1, 1 ) ~= "#" then
if string.sub( line, 1, 16 ) == "naughtynesslimit" then
retval.naughtynesslimit.value = get_cfg_value( line )
end
end
line = fptr2:read( "*l" ) -- read one config file line
end
fptr2:close()
else
error = "Failed to open " .. dansguardiancfg2 .. " file!"
end
return retval, error
end
get_plain_config = function()
local retval = ""
local error = ""
local fptr = io.open( dansguardiancfg, "r" )
if fptr ~= nil then
retval = fptr:read( "*a" )
fptr:close()
if retval == nil then
retval = ""
error = "Failed to read " .. dansguardiancfg .. " file!"
end
else
error = "Failed to open " .. dansguardiancfg .. " file!"
end
return retval, error
end
get_edit_config = function( name )
local retval = ""
local error = ""
if not is_valid_configfile( name ) then
return "", "Hacker"
end
local fptr = io.open( "/etc/dansguardian/" .. name )
if fptr ~= nil then
retval = fptr:read( "*a" )
fptr:close()
if retval == nil then
retval = ""
error = "Failed to read /etc/dansguardian/" .. name .. " file!"
end
else
error = "Failed to open /etc/dansguardian/" .. name .. " file!"
end
return retval, error
end
update_edit_config = function( name, config )
local retval = ""
if not is_valid_configfile( name ) then
return "", "Hacker"
end
local fptr = io.open( "/etc/dansguardian/" .. name, "wb+" )
if fptr ~= nil then
fptr:write( format.dostounix( config ) )
fptr:close()
retval = ""
else
error = "Failed to open /etc/dansguardian/" .. name .. " file!"
end
return retval
end
update_general_config = function( config )
local retval = ""
local tmpfilename = os.tmpname()
local tmpfile = -1
local cfgptr = -1
local line = ""
tmpfile = io.open( tmpfilename, "wb+" )
if tmpfile == nil then
return "Failed to create temporary config file!"
end
cfgptr = io.open( dansguardiancfg, "r" )
if cfgptr == nil then
tmpfile:close()
os.remove( tmpfilename )
return "Failed to open " .. dansguardiancfg .. "!"
end
line = cfgptr:read( "*l" )
while line ~= nil do
if string.sub( line, 1, 8 ) == "filterip" then
tmpfile:write( "filterip = " .. config.filterip .. "\n" )
elseif string.sub( line, 1, 10 ) == "filterport" then
tmpfile:write( "filterport = " .. config.filterport .. "\n" )
elseif string.sub( line, 1, 7 ) == "proxyip" then
tmpfile:write( "proxyip = " .. config.proxyip .. "\n" )
elseif string.sub( line, 1, 9 ) == "proxyport" then
tmpfile:write( "proxyport = " .. config.proxyport .. "\n" )
elseif string.sub( line, 1, 19 ) == "accessdeniedaddress" then
tmpfile:write( "accessdeniedaddress = " .. config.accessdeniedaddress .. "\n" )
else
tmpfile:write( line .. "\n" )
end
line = cfgptr:read( "*l" )
end
tmpfile:close()
cfgptr:close()
os.rename( tmpfilename, dansguardiancfg )
--- step 2 - dansguardiancfg2
tmpfile = io.open( tmpfilename, "wb+" )
if tmpfile == nil then
return "Failed to create temporary config file!"
end
cfgptr = io.open( dansguardiancfg2, "r" )
if cfgptr == nil then
tmpfile:close()
os.remove( tmpfilename )
return "Failed to open " .. dansguardiancfg2 .. "!"
end
line = cfgptr:read( "*l" )
while line ~= nil do
if string.sub( line, 1, 16 ) == "naughtynesslimit" then
tmpfile:write( "naughtynesslimit = " .. config.naughtynesslimit .. "\n" )
else
tmpfile:write( line .. "\n" )
end
line = cfgptr:read( "*l" )
end
tmpfile:close()
cfgptr:close()
os.rename( tmpfilename, dansguardiancfg2 )
return retval
end
update_plain_config = function( config )
local retval = ""
local cfgptr = -1
local error = ""
cfgptr = io.open( dansguardiancfg, "wb+" )
if cfgptr ~= nil then
cfgptr:write( config )
cfgptr:close()
else
retval = "Failed to open " .. dansguardiancfg .. " file!"
end
return retval
end
get_cfg_value = function( str )
local retval = ""
local pos = 1
local found = false
local found2 = false
while not found and pos < #str -1 do
if string.sub( str, pos, pos ) == "=" then
found = true
end
pos = pos + 1
end
if found then
pos = pos - 1
while not found2 and pos < #str -1 do
if string.sub( str, pos+1, pos+1 ) ~= " " then
found2 = true
end
pos = pos + 1
end
end
if found2 then
retval = string.sub( str, pos )
end
return retval
end
get_advanced_config = function()
local retval = { files = {} }
local errmsg = ""
get_file_tree( retval.files, "/etc/dansguardian", "" )
return retval, errmsg
end
get_file_tree = function( treetable, dir, prefix )
local entries = posix.dir( dir )
local k = ""
local v = ""
for k,v in ipairs( entries ) do
local attrs = posix.stat( dir .. "/" .. v )
if attrs.type == "regular" and string.sub( v, -4) ~= ".gif" then
table.insert( treetable, prefix .. v )
end
end
entries = posix.dir( dir )
for k,v in ipairs( entries ) do
local attrs = posix.stat( dir .. "/" .. v )
if attrs.type == "directory" and v~= "." and v~= ".." then
get_file_tree( treetable, dir .. "/" .. v, prefix .. v .. "/" )
end
end
return
end
is_valid_configfile = function( name )
local retval = false
local ftable = {}
local k
local v
get_file_tree( ftable, "/etc/dansguardian", "" )
for k,v in ipairs( ftable ) do
if v == name then
retval = true
end
end
return retval
end
get_categories = function()
local retval = {}
local entries = posix.dir( "/etc/dansguardian/phraselists" )
local k = ""
local v = ""
for k,v in ipairs( entries ) do
local attrs = posix.stat( "/etc/dansguardian/phraselists/" .. v )
if attrs.type == "directory" and v ~= "." and v ~= ".." then
table.insert( retval, v )
end
end
return retval
end
|