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1 | #!/usr/bin/perl |
2 | # | |
3 | # Automatic Article Checker | |
4 | # v1.6 Copyright (C) June 2, 1999 by Heinrich Schramm | |
5 | # mailto:heinrich@schramm.com | |
6 | # | |
7 | # converted to perl by Wilfried Klaebe <wk@orion.toppoint.de> | |
8 | # (not really converted, more or less rewritten in perl) | |
9 | # | |
10 | # modified & enhanced | |
11 | # by Thomas Hochstein <THochstein@gmx.de> since March/April 2000 | |
12 | # (c) artchk.pl (mod.) January 06, 2001 by Thomas Hochstein | |
13 | # | |
14 | # _________ ATTENTION please! - This is still a BETA version! _________ | |
15 | # | |
16 | # ------------------------------------------------------------------------------ | |
17 | # This program is free software; you can redistribute it and/or modify it under | |
18 | # the terms of the GNU General Public License as published by the Free | |
19 | # Software Foundation; either version 2 of the License, or (at your option) | |
20 | # any later version. | |
21 | # This program is distributed in the hope that it will be useful, but WITHOUT | |
22 | # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
23 | # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
24 | # more details. | |
25 | # ------------------------------------------------------------------------------ | |
26 | # | |
27 | # You will need the following modules from CPAN: | |
28 | # - News::NNTPClient | |
29 | # - MIME::QuotedPrint | |
30 | # - MIME::Base64 | |
31 | # (- Net::DNS) | |
32 | # | |
33 | # ------------------------------------------------------------------------------ | |
34 | # | |
35 | # You will have to create an artchk.pl.ini / artchk.pl.rc file. | |
36 | # Please see readme.txt for details. | |
37 | # | |
38 | # Please use this program with care and sense of responsibility! | |
39 | # Thank you. | |
40 | # | |
41 | ################################################################## | |
42 | ||
43 | ###-### mark for temp. changes | |
44 | #-# 1.2.01g changes new in that version | |
45 | #-# {RKELLER} Contributed by Reiner Keller <keller@dlrg.de> | |
46 | ||
47 | use News::NNTPClient; | |
48 | use MIME::QuotedPrint; | |
49 | use MIME::Base64; | |
50 | use Net::DNS; | |
51 | use File::Basename; #-# {RKELLER} | |
52 | ||
53 | ##### Constants | |
54 | $version = 'V 1.2.01k BETA'; # Stand: 2001-10-13 | |
55 | $online = 0; # permanent connection to the net | |
56 | $serverresponse = "# NNTP:"; # intro for debugmsg (NNTP status response) | |
57 | $debugdiagmarker = "* ->"; # intro for debugmsg (diag{...} set) | |
58 | @roles = qw/abuse noc security | |
59 | root sysop admin newsmaster | |
60 | postmaster hostmaster usenet news webmaster www uucp ftp/; | |
61 | $hex_nibb = '[0-9a-fA-F]'; | |
62 | $gt_hex_nibb = '[0-9A-F]'; | |
63 | $lt_hex_nibb = '[0-9a-f]'; | |
64 | $alpha_num = '[0-9a-zA-Z]'; | |
65 | $lt_alpha_num = '[0-9a-z]'; | |
66 | $gt_alpha_num = '[0-9A-Z]'; | |
67 | # definitions from s-o-1036 | |
68 | $r_unquoted_char_a = '[#$%&\'|*+{}~\-/0123456789=?A-Z^_`a-z]'; # correct definition (for mailaddress) | |
69 | $r_unquoted_word_a = "$r_unquoted_char_a+"; # correct definition (for mailaddress) | |
70 | $r_unquoted_char = '[#$%&\'|*+{}~\-/0123456789=?A-Z^_`a-z\x80-\xFF]'; # definition including \x80-\xFF (8bit) | |
71 | $r_unquoted_word = "$r_unquoted_char+"; # definition including \x80-\xFF (8bit) | |
72 | $r_quoted_char = '[!@,;:.\[\]#$%&\'|*+{}~\-/0123456789=?A-Z^_`a-z\x80-\xFF]'; # definition including \x80-\xFF (8bit) | |
73 | $r_quoted_word = "\"($r_quoted_char|\\s)+\""; # definition including \x80-\xFF (8bit) | |
74 | $r_paren_char = '["!@,;:.\[\]#$%&\'|*+{}~\-/0123456789=?A-Z^_`a-z\x80-\xFF]'; # definition including \x80-\xFF (8bit) | |
75 | $r_paren_phrase = "($r_paren_char|\\s)+"; # definition including \x80-\xFF (8bit) | |
76 | $r_plain_word = "$r_unquoted_word|$r_unquoted_word"; # definition including \x80-\xFF (8bit) | |
77 | $r_plain_phrase = "$r_plain_word(\\s+$r_plain_word)*"; # definition including \x80-\xFF (8bit) | |
78 | $r_address = "$r_unquoted_word_a(\\.$r_unquoted_word_a)*\@$r_unquoted_word_a(\\.$r_unquoted_word_a)*"; | |
79 | ||
80 | ##### Main program | |
81 | # get commandline parameters | |
82 | while (@ARGV) { | |
83 | $f = shift; | |
84 | if ($f =~ /^-d(.*)/) { | |
85 | $debuglevel = $1; | |
86 | } elsif ($f =~ /-(v+)/) { | |
87 | $debuglevel = length($1); | |
88 | } elsif ($f =~ /-p(.*)/) { | |
89 | $pathtoini = $1; | |
90 | } elsif ($f =~ /-n(.*)/) { | |
91 | $ininame = $1; | |
92 | if ($ininame=~/\.ini$/) { | |
93 | $ininame=~s/(.*?)\.ini$/$1/; | |
94 | }; | |
95 | } elsif ($f =~ /-c(.*)/) { | |
96 | $checkpost = $1; | |
97 | } elsif ($f =~ /^-l(.*)/) { | |
98 | $logfile = $1; | |
99 | if ($logfile =~/\.log$/) { | |
100 | $logfile=~s/(.*?)\.log$/$1/; | |
101 | }; | |
102 | } elsif ($f =~ /--log/) { | |
103 | $logging = 1; | |
104 | } elsif ($f =~ /--feedmode/) { #-# 1.2.01k | |
105 | $feedmode = 1; #-# 1.2.01k | |
106 | } elsif ($f =~ /--pedantic/) { #-# 1.2.01k | |
107 | $pedantic = 1; #-# 1.2.01k | |
108 | } | |
109 | }; | |
110 | ||
111 | # set parameters to default, if necessary / exit, if disabled | |
112 | if (!defined($debuglevel)) {$debuglevel = 0}; | |
113 | if (!defined($ininame)) {$ininame = basename ($0)}; #-# {RKELLER} | |
114 | exit (10) if (-e "$0.disabled"); # exit if "artchk.pl.disabled" exists | |
115 | exit (10) if (-e "$ininame.disabled"); # exit if ".disabled" exists | |
116 | if (!defined($pathtoini)) { | |
117 | $pathtoini = dirname ($0).'/' #-# {RKELLER} | |
118 | } elsif ($pathtoini !~ /.*(\/|\\)$/) { | |
119 | $pathtoini .= '/'; | |
120 | } | |
121 | if (!defined($checkpost) or ($checkpost!~/<\S+\@\S+>/)) {$checkpost = 'no'}; | |
122 | if (!defined($logfile)) {$logfile = "$ininame"}; | |
123 | ||
124 | # open logfile | |
125 | if ($logging) { | |
126 | open LOG, ">>$pathtoini$logfile.log" || die "Could not open $pathtoini$logfile.log for appending: $!"; | |
127 | if ($feedmode) { #-# 1.2.01k | |
128 | select((select(LOG), $| = 1)[0]); # set autoflush | |
129 | }; | |
130 | }; | |
131 | ||
132 | # print introduction | |
133 | op(10,"\n-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-\n\n"); | |
134 | op(10,"This is artchk.pl (mod.) $version started on ".scalar(gmtime)." GMT.\n"); | |
135 | op(0,"Send suggestions & comments to <artchk\@akallabeth.de>.\n\n"); | |
136 | ||
137 | # read .rc-file / .ini-file / domains / killfile | |
138 | &readini; | |
139 | &readrcfile; | |
140 | &readdomains; | |
141 | if (-e "$killname.kill") { | |
142 | open KILL, "<$pathtoini$killname.kill" || die "Could not open $pathtoini$killname.kill for reading: $!"; | |
143 | while (<KILL>) { | |
144 | chomp; | |
145 | s/#.+//; # drop comments | |
146 | s/^\s+//; # drop whitespace before | |
147 | s/\s+$//; # drop whitespace after | |
148 | next unless length; | |
149 | my ($key,$value) = split(/\s*=\s*/,$_,2); # header = regexp | |
150 | push @{ $kill[scalar(@kill)] },lc($key),lc($value); | |
151 | }; | |
152 | close KILL; | |
153 | }; | |
154 | ||
155 | # print configuration | |
156 | op(1,"\nDebug-Level : $debuglevel\n"); | |
157 | op(1, "Path to files : $pathtoini\n"); | |
158 | op(1, "Filenames : $ininame.ini / $rcname.rc / $logfile.log\n"); | |
159 | op(1, "Trigger 'check' : $trigger_check\n"); | |
160 | op(1, "Trigger 'ignore' : $trigger_ignore\n"); | |
161 | op(1, "Newsserver (read): $server $port\n"); | |
162 | op(1, "Newsserver (post): $postingserver $postingport\n"); | |
163 | if ($checkpost eq 'no') { | |
164 | op(1, 'Groups to check :'); | |
165 | foreach $testgroup (@testgroups) {op(1, " $testgroup")}; | |
166 | } else { | |
167 | op(11, "Posting to check: $checkpost\n"); | |
168 | }; | |
169 | op(1, "\n\n"); | |
170 | op(1, "---------- Starting connection procedure ----------\n"); | |
171 | ||
172 | if ($feedmode) { #-# 1.2.01k ----> | |
173 | until(eof(STDIN)){ | |
174 | $file=<STDIN>; | |
175 | $file=~s/(\S*).*/$1/; | |
176 | &feed_article($file); # will set $wholeheader, @header and $wholebody (global!) | |
177 | &check_article; | |
178 | } | |
179 | } else { #-# 1.2.01k <----- | |
180 | # open server (for reading) | |
181 | $readserver = &connectserver($server,$port,$s_user,$s_pass); | |
182 | ||
183 | # open server (for posting), if specified | |
184 | if ($postingserver ne '') { $postserver = &connectserver($postingserver,$postingport,$posts_user,$posts_pass) }; | |
185 | ||
186 | # main loop - check all postings in all groups | |
187 | op(1,"---------- Starting checks ----------"); | |
188 | ||
189 | if ($checkpost eq 'no') { | |
190 | foreach $testgroup (@testgroups) { | |
191 | op(1,"\n---------- New group ----------"); | |
192 | op(1,"\nOpening group $testgroup ..."); | |
193 | # get low-/high-marks of $testgroup | |
194 | if (!(($low, $high) = ($readserver->group($testgroup)))) { | |
195 | op(13,"\n$serverresponse Error: " . $readserver->code . ' ' . $readserver->message . "Skipping group.\n"); | |
196 | op(0,"Error opening group $testgroup on $server.\n"); | |
197 | } else { | |
198 | op(1," done.\n"); | |
199 | op(3,"$serverresponse".$readserver->code.' '.$readserver->message); | |
200 | op(11,"\n$testgroup: $low ---> $high; first to be checked: $watermark{$testgroup}\n"); | |
201 | if ($watermark{$testgroup} > ($high + 2)) { | |
202 | op(1,"! High watermark of group $testgroup is to low - resetting counter ..."); | |
203 | $watermark{$testgroup} = $high; | |
204 | } | |
205 | if ($watermark{$testgroup} > $low) {$low = $watermark{$testgroup}}; | |
206 | if ($watermark{$testgroup} > $high) { | |
207 | op(1,"Nothing new to check in $testgroup ... terminating.\n"); | |
208 | } else { | |
209 | op(1,'Starting checks, '); | |
210 | if($auto{$testgroup}) { | |
211 | op(1,"generating followups for any problem detected (auto-mode).\n"); | |
212 | }else{ | |
213 | op(1, "only generating followups if requested.\n"); | |
214 | } | |
215 | } | |
216 | ||
217 | # load posting | |
218 | for ($doit = $low; $doit <= $high; $doit += 1) { | |
219 | $togo=$high-$doit; | |
220 | op(2,"Now getting: __> $doit <__ --- $togo to go ...\n"); | |
221 | &get_article($doit); # will set $wholeheader, @header and $wholebody (global!) | |
222 | &check_article($testgroup,$auto{$testgroup}); | |
223 | }; | |
224 | ||
225 | # remmber last tested posting | |
226 | $watermark{$testgroup} = $high + 1; | |
227 | ||
228 | # rewrite .ini-file | |
229 | op(1,"Rewriting .ini-file ... "); | |
230 | &writeini; | |
231 | op(1,"done.\n"); | |
232 | }; | |
233 | } | |
234 | } else { | |
235 | op(1,"\nNow getting: $checkpost\n"); | |
236 | &get_article($checkpost); # will set $wholeheader and $wholebody (global!) | |
237 | &check_article('none',2); | |
238 | } | |
239 | ||
240 | op(1,"\n\n---------- Termination sequence ... ----------"); | |
241 | op(1,"\nartchk.pl (mod.) $version signing off.\n"); | |
242 | # close server and files | |
243 | $readserver->quit; | |
244 | if ($postingserver ne '') { $postserver->quit }; | |
245 | }; | |
246 | ||
247 | if ($logging) { | |
248 | op(15,"$0 $version terminated successfully on ".scalar(gmtime)." GMT.\n"); | |
249 | close LOG; | |
250 | }; | |
251 | op(0,"Program terminated on ".scalar(gmtime)." GMT.\n\n"); | |
252 | op(0,"Thank you for using.\n"); | |
253 | exit(0); | |
254 | ||
255 | ################################################################ | |
256 | # Main subroutines: get article / feed article / check article | |
257 | ||
258 | sub get_article { | |
259 | # load article via NNTP | |
260 | my($doit)=@_; | |
261 | my(@article,$lang); | |
262 | ||
263 | # parse posting: first get headers ... | |
264 | if (!(@article = $readserver->head($doit))) { | |
265 | op(13,"\n$serverresponse Error: " . $readserver->code . ' ' . $readserver->message); | |
266 | op(0,"Error reading header from $server.\n"); | |
267 | } else { | |
268 | op(3,"$serverresponse".$readserver->code.' '.$readserver->message); | |
269 | }; | |
270 | # split @article and add all lines to $wholeheader | |
271 | @header = @article; # @header is global! | |
272 | $wholeheader = ''; # $wholeheader is global! | |
273 | $lang = @article; | |
274 | for ($i = 0; $i <= $lang; $i+= 1) { | |
275 | $wholeheader .= shift(@article); | |
276 | }; | |
277 | # ... then get body | |
278 | if (!(@article = $readserver->body($doit))) { | |
279 | op(13,"\n$serverresponse Error: " . $readserver->code . ' ' . $readserver->message); | |
280 | op(0,"Error reading body from $server.\n"); | |
281 | } else { | |
282 | op(3,"$serverresponse".$readserver->code.' '.$readserver->message); | |
283 | }; | |
284 | $wholebody = ''; # $wholebody is global! | |
285 | $lang = @article; | |
286 | for ($i = 0; $i <= $lang; $i+= 1) { | |
287 | $wholebody .= shift(@article); | |
288 | }; | |
289 | }; | |
290 | ||
291 | ||
292 | sub feed_article { #-# 1.2.01k | |
293 | # load article from disk | |
294 | my $file = shift; | |
295 | open(ARTICLE,"<$file") or op(15,"I/O ERROR while opening $file: $!\n"); | |
296 | $/=''; | |
297 | $wholeheader = <ARTICLE>; # $wholeheader is global! | |
298 | @header = split(/\n/,$wholeheader); # @header is global! | |
299 | undef $/; | |
300 | $wholebody = <ARTICLE>; # $wholebody is global! | |
301 | close(ARTICLE); | |
302 | $/="\n"; | |
303 | }; | |
304 | ||
305 | ||
306 | sub check_article { | |
307 | # check article and generate followup | |
308 | my($testgroup,$auto)=@_; | |
309 | # $testgroup is 'none' for forced check, '' for feeding-mode | |
310 | # $auto is '2' for forced check, '' for feeding-mode | |
311 | # will use global $wholeheader, @header and $wholebody (from &get_article / &feed_article) | |
312 | # will use global %config and %domain (from &readrcfile / &readdomains) | |
313 | my(@body); # parts of the posting | |
314 | my($newsreader,$nr); # specials | |
315 | my($docheck,$sigokay); # trigger | |
316 | my(@article,@duplicate,$frdompart,$frlocpart,$rplocpart,$rpdompart,$wrongsig); | |
317 | # output | |
318 | my($m,$f,$i,$flag,$sigstart,$query,$res,@mx,$key,$value,$testgroup_q,$postgroups); | |
319 | # auxiliaries | |
320 | my($tag,$monat,$jahr,$zeit,$wtag); # date | |
321 | # will use global %header,%header_decoded,$debugmsg,%diag,$diaglevel | |
322 | undef %header; | |
323 | undef %header_decoded; | |
324 | undef $debugmsg; | |
325 | undef %diag; | |
326 | undef $diaglevel; | |
327 | ||
328 | local *ev = sub { | |
329 | # evaluate variables | |
330 | my ($i) = shift; | |
331 | ($f = $config{$i}) =~ s/(\$[a-z{}'_-]+)/$1/gee; | |
332 | $f; | |
333 | }; | |
334 | ||
335 | # split $wholeheader into single headers | |
336 | while ($_=shift @header) { | |
337 | chomp; | |
338 | if ($_ =~ /^\s+/) { | |
339 | $_ =~ s/^\s*(.+)\s*$/$1/; | |
340 | $header{lc($key)} .= "\n\t$_"; | |
341 | } elsif ($_ ne "\n") { | |
342 | ($key,$value) = split /:/,$_,2; | |
343 | if (exists $header{lc($key)}) { | |
344 | push @duplicate,$key; | |
345 | $diag{'duplicate'} = 1; | |
346 | } else { | |
347 | ($header{lc($key)} = $value) =~ s/^\s*(.+)\s*$/$1/; | |
348 | }; | |
349 | }; | |
350 | };; | |
351 | ||
352 | # return if not a test group | |
353 | # or if posting is bot-reply or cmsg or keywords contain $trigger_ignore ... | |
354 | if ($auto != 2) { | |
355 | return if $header{'newsgroups'}!~/test/i; | |
356 | return if $header{'message-id'} =~ /checkbot\.fqdn\.de>[ ]*$/i; | |
357 | return if $header{'message-id'} =~ /checkbot-checked/i; | |
358 | return if (defined($header{'control'})); | |
359 | return if (defined($header{'keywords'}) and $header{'keywords'}=~/$trigger_ignore/io); | |
360 | }; | |
361 | ||
362 | if ($feedmode) { #-# 1.2.01k | |
363 | $auto = 3; # set $auto to unusual value | |
364 | foreach $testgroup (@testgroups) { | |
365 | $testgroup_q = quotemeta($testgroup); # quote meta characters ('.'!) | |
366 | if ($header{'newsgroups'} =~ /$testgroup_q/) { # if one of the test groups is found in Newsgroups: ... | |
367 | if ($postgroups != '') { | |
368 | $postgroups .= ','; | |
369 | }; | |
370 | $postgroups .= $testgroup; # ... add it to $postgroups and ... | |
371 | if ($auto{$testgroup} <= $auto) { | |
372 | $auto = $auto{$testgroup}; # ... reset $auto to the lowest value of all testgroups | |
373 | }; | |
374 | }; | |
375 | }; | |
376 | return if $auto == 3; # return if $auto was not reset | |
377 | $testgroup = $postgroups; # set $testgroup for posting a followup | |
378 | }; | |
379 | ||
380 | $debugmsg .= " --- Posting Check Results ---\n"; | |
381 | # ... or if killfile is triggered (if check is not forced) ... | |
382 | if ($auto != 2) { | |
383 | $debugmsg .= " Checking posting; it's in a test group and neither bot-reply nor cmsg.\n"; | |
384 | # check if killfile is triggered and set $flag | |
385 | foreach (@kill) { | |
386 | ($key,$value) = @{$_}; | |
387 | if (defined($header{$key}) and $header{$key}=~/$value/i) { | |
388 | $flag = 1 ; | |
389 | $debugmsg .= " Killfile rule '$key=$value' triggered.\n"; | |
390 | }; | |
391 | } | |
392 | }; | |
393 | ||
394 | # ... or if neither $trigger_check in Subject: nor auto-mode activated | |
395 | $debugmsg .= " Subject: " . $header{'subject'} . "\n"; | |
396 | if ($header{'subject'} ne &hdecode($header{'subject'})) { | |
397 | $debugmsg .= " Subject (decoded): " . &hdecode($header{'subject'}) . "\n"; | |
398 | }; | |
399 | if (&hdecode($header{'subject'}) =~ /$trigger_check/io or ($auto==2)) { | |
400 | $docheck = 1; | |
401 | if ($auto==2) { | |
402 | $debugmsg .= " TRIGGER: Check forced via '-c'.\n"; | |
403 | $testgroup = $header{'newsgroups'}; | |
404 | } else { | |
405 | $debugmsg .= " TRIGGER: Found \"$trigger_check\" in the \"Subject:\"-line, continuing check.\n"; | |
406 | }; | |
407 | } | |
408 | else { | |
409 | $debugmsg .= " TRIGGER: \"$trigger_check\" not found in \"Subject:\"-line"; | |
410 | if (!$auto or (&hdecode($header{'subject'}) =~ /$trigger_ignore/io) or $flag) { | |
411 | $debugmsg .= ", terminating check.\n"; | |
412 | $debugmsg .= " --- End of Check Results ---\n\n"; | |
413 | op(15,"$header{'message-id'}:\n$debugmsg\n"); | |
414 | return; | |
415 | } else { | |
416 | $debugmsg .= "; auto-mode activated - no ignore, continuing check.\n"; | |
417 | }; | |
418 | }; | |
419 | ||
420 | # put decoded (q/p and base64) headers in %header_decoded | |
421 | foreach $key (keys %header) { | |
422 | $header_decoded{$key} = &hdecode($header{$key}); | |
423 | }; | |
424 | ||
425 | # generate debugmsg for duplicate headers | |
426 | foreach (@duplicate) { | |
427 | $debugmsg .= " $debugdiagmarker Duplicate header line: $_\n" | |
428 | } | |
429 | ||
430 | # try to detect the newsreader | |
431 | if (defined($header{'user-agent'})) { | |
432 | $newsreader=$header_decoded{'user-agent'} | |
433 | } elsif(defined($header{'x-newsreader'})) { | |
434 | $newsreader=$header_decoded{'x-newsreader'} | |
435 | } elsif (defined($header{'x-mailer'})) { | |
436 | $newsreader=$header_decoded{'x-mailer'} | |
437 | } | |
438 | if ((defined($newsreader)) and ($newsreader ne '')) { | |
439 | KNOWN: { | |
440 | $nr= 'oe', last KNOWN if $newsreader=~/Outlook Express/i; | |
441 | $nr= 'moz', last KNOWN if ($newsreader=~/Mozilla/i and $newsreader!~/StarOffice/i); | |
442 | $nr= 'agent', last KNOWN if ($newsreader=~/Forte.*Agent/i or $header{'message-id'}=~/^[a-zA-Z0-9=+]{28,34}\@/ or $header{'message-id'}=~/^$lt_alpha_num{8}\.\d{7,9}\@/ or $header{'message-id'}=~/^$lt_alpha_num{7}\.\d{2,3}\.\d\@/); | |
443 | $nr= 'xnews', last KNOWN if ($newsreader=~/Xnews/ or $header{'message-id'}=~/^$lt_alpha_num{6}\.$lt_alpha_num{2}\.\d\@/); #-# 1.2.01l | |
444 | $nr= 'gnus', last KNOWN if ($newsreader=~/Gnus/i or $header{'message-id'}=~/^$lt_alpha_num{10,11}\.fsf\@/o); | |
445 | $nr= 'slrn', last KNOWN if ($newsreader=~/slrn/i or $header{'message-id'}=~/^slrn$lt_alpha_num{6}\.$lt_alpha_num{2,3}\.\w+\@/); | |
446 | $nr= 'macsoup', last KNOWN if ($newsreader=~/MacSOUP/i or $header{'message-id'}=~/^$lt_alpha_num{7}\.$lt_alpha_num{13,14}[A-Z]\%[a-zA-Z\.]+\@/); | |
447 | $nr= 'mpg', last KNOWN if ($newsreader=~/Gravity/i or $header{'message-id'}=~/^MPG\.$lt_hex_nibb{22}\@/o); | |
448 | $nr= 'pine', last KNOWN if ($newsreader=~/Gravity/i or $header{'message-id'}=~/^Pine\.$gt_alpha_num{3}\.\d\.\d{2}\.\d{14}\.\d{4,5}-\d{6}\@/o); | |
449 | $nr= 'xp', last KNOWN if ($newsreader=~/Gravity/i or $header{'message-id'}=~/^[a-zA-Z0-9\$\-]{11}\@/o); | |
450 | $nr= 'pminews', last KNOWN if ($newsreader=~/Gravity/i or $header{'message-id'}=~/^[a-z]{16,21}\.$alpha_num{7}\.pminews\@/o); | |
451 | } | |
452 | } | |
453 | if (!defined($nr)) { | |
454 | $nr = '-'; | |
455 | $debugmsg .= " Could not identify newsreader.\n" | |
456 | } else { | |
457 | $debugmsg .= " Newsreader identified: $newsreader [$nr].\n" | |
458 | }; | |
459 | ||
460 | # * ---> check for 8bit in headers | |
461 | if($wholeheader=~/[\x80-\xFF]/) { | |
462 | $diag{'8bitheader'}=1; | |
463 | $diaglevel=2; | |
464 | $debugmsg .= " $debugdiagmarker 8bit-chars in header.\n"; | |
465 | }; | |
466 | ||
467 | # * ---> check from-header | |
468 | ($frlocpart,$frdompart) = checkfromrp('From'); | |
469 | ||
470 | # * ---> check reply-to | |
471 | if (defined($header{'reply-to'})) { | |
472 | ($rplocpart,$rpdompart) = checkfromrp('Reply-To'); | |
473 | }; | |
474 | ||
475 | # * ---> check from == replyto | |
476 | if(defined($header{'reply-to'}) && ((getmailaddress($header_decoded{'from'}))[0] eq (getmailaddress($header_decoded{'reply-to'}))[0])) { | |
477 | $diag{'replytofrom'}=1 ; | |
478 | $diaglevel ||= 1; | |
479 | $debugmsg .= " $debugdiagmarker \"From:\" = \"Reply-To:\".\n"; | |
480 | }; | |
481 | ||
482 | # * ---> check message-id | |
483 | ($dompart = $header{'message-id'}) =~ s/.*\@(.*)>$/$1/; # fqdn isolieren | |
484 | $dompart = lc($dompart); | |
485 | ($tld = $dompart) =~ s/.*\.([^.]+)$/$1/; # TLD isolieren | |
486 | # no FQDN, but less than one word or numbers | |
487 | if($dompart!~/(\D\w*\.)+(\D\w*$)/) { | |
488 | $diag{'nomid'}=1; | |
489 | $diaglevel=2; | |
490 | $debugmsg .= " $debugdiagmarker MID wrong: FQDN is just one word or just numbers.\n"; | |
491 | }; | |
492 | # invalid chars in domain | |
493 | if($dompart =~ /[^a-z0-9\-.]/) { | |
494 | $diag{'nomid'}=1; | |
495 | $diaglevel=2; | |
496 | $debugmsg .= " $debugdiagmarker MID wrong: FQDN contains invalid characters.\n"; | |
497 | }; | |
498 | # check for valid TLD | |
499 | if(!defined($domain{$tld})) { | |
500 | $diag{'nomid'}=1; | |
501 | $diaglevel=2; | |
502 | $debugmsg .= " $debugdiagmarker MID wrong: no valid TLD.\n"; | |
503 | }; | |
504 | # check for <unique%mailaddress@do.main> (USEFOR, used e.g. by MacSOUP) | |
505 | ($f,undef,undef,$i,undef) = &getmailaddress($header_decoded{'from'}); | |
506 | $f = quotemeta($f); | |
507 | if ($header{'message-id'} =~ /%$f>$/) { | |
508 | $debugmsg .= " MID is <unique%address\@do.main>, see draft-ietf-usefor-msg-id-alt-00,\n"; | |
509 | $debugmsg .= " chapter 2.1.2 - not yet a good idea (but we do not mind ;-)).\n"; | |
510 | } elsif (($dompart eq $i) and ($nr eq 'moz') and ($header{'message-id'} =~ /^<$gt_hex_nibb{8}\.$gt_hex_nibb{4,8}\@/)) { | |
511 | # Mozilla generates the MID from the FQDN of the mailaddress | |
512 | $diag{'nomid'}=1; | |
513 | $diaglevel ||= 1; | |
514 | $debugmsg .= " $debugdiagmarker MID wrong: Mozilla takes FQDN of mailaddress.\n"; | |
515 | } elsif($dompart=~/^gmx\.(de|net|at|ch|li)$/) { | |
516 | # special: GMX does not offer usenet service | |
517 | $diag{'nomid'}=1; | |
518 | $diaglevel=2; | |
519 | $debugmsg .= " $debugdiagmarker MID wrong: GMX does not offer usenet service.\n"; | |
520 | }; | |
521 | if (defined($diag{'nomid'})) { | |
522 | $debugmsg .= " MID was \"$header{'message-id'}\".\n"; | |
523 | }; | |
524 | ||
525 | # * ---> check date | |
526 | ($wtag,$tag,$monat,$jahr,$zeit) = (split / +/, $header{'date'}); | |
527 | if (!($wtag=~/\w{3},/)) { | |
528 | $zeit = $jahr; | |
529 | $jahr = $monat; | |
530 | $monat = $tag; | |
531 | $tag = $wtag; | |
532 | }; | |
533 | if ($jahr < 1970) { | |
534 | $diag{'date'}=1; | |
535 | $diaglevel=2; | |
536 | $debugmsg .= " $debugdiagmarker \"Date:\" is incorrect: year < 1970.\n"; | |
537 | $debugmsg .= " \"Date:\" was: \"$header{'date'}\".\n"; | |
538 | }; | |
539 | ||
540 | # * ---> check for html | |
541 | if(defined($header{'content-type'})&&$header{'content-type'}=~/html/i) { | |
542 | $diag{'html'}=1; | |
543 | $diaglevel=1; | |
544 | $debugmsg .= " $debugdiagmarker HTML detected (no multipart/alternative!).\n"; | |
545 | }; | |
546 | ||
547 | # * ---> check for multiparts | |
548 | if(defined($header{'content-type'}) and ($header{'content-type'}=~/multipart/)) { | |
549 | $diag{'multipart'}=1; | |
550 | $diaglevel ||= 1; | |
551 | $debugmsg .= " $debugdiagmarker MIME-multipart identified.\n"; | |
552 | $debugmsg .= " Cannot check body of that posting - do not understand multipart yet.\n"; | |
553 | }; | |
554 | ||
555 | # apply checks to body only if there _is_ a body | |
556 | if (defined($wholebody)) { | |
557 | if(defined($header{'content-transfer-encoding'})) { | |
558 | ||
559 | # * ---> check for q/p (body) | |
560 | if ($header{'content-transfer-encoding'}=~/quoted/i){ | |
561 | # $diag{'qp'}=1; #-# 1.2.01k | |
562 | # $diaglevel ||= 1; #-# 1.2.01k | |
563 | # $debugmsg .= " $debugdiagmarker Content-transfer-encoding: quoted/printable.\n"; #-# 1.2.01k | |
564 | $debugmsg .= " Content-transfer-encoding: quoted/printable.\n"; | |
565 | $debugmsg .= " Will decode that body now.\n"; | |
566 | # convert quoted-printables to 8bit | |
567 | # $wholebody=~s/[ \t]\n/\n/sg; # RFC 1521 5.1 Rule #3 | |
568 | $wholebody=~s/=\n//sg; # RFC 1521 5.1 Rule #5 | |
569 | $wholebody=~s/=([0-9a-fA-F]{2})/pack("H2",$1)/sge; | |
570 | }; | |
571 | ||
572 | # * ---> check for base64 (body) | |
573 | if($header{'content-transfer-encoding'}=~/base64/i){ | |
574 | $diag{'base64'}=1; | |
575 | $diaglevel=1; | |
576 | $debugmsg .= " $debugdiagmarker Content-transfer-encoding: Base64.\n"; | |
577 | $debugmsg .= " Will decode that body now.\n"; | |
578 | $wholebody = decode_base64($wholebody); # do Base64-decoding | |
579 | }; | |
580 | } | |
581 | ||
582 | # split $wholebody into single lines | |
583 | @body=split("\n",$wholebody); | |
584 | ||
585 | # terminate and return if $trigger_ignore is found in first line | |
586 | # (and $trigger_check not in Subject:) --> $docheck | |
587 | if (!$docheck and ($body[0] =~ /$trigger_ignore/io)) { | |
588 | $debugmsg .= " TRIGGER: \"$trigger_ignore\" found in \"Subject:\"-line or first line of posting; terminating check.\n"; | |
589 | $debugmsg .= " --- End of Check Results ---\n\n"; | |
590 | op(15,"$header{'message-id'}:\n$debugmsg\n"); | |
591 | return; | |
592 | } | |
593 | ||
594 | # * ---> check for charset / transfer-encoding | |
595 | if(!defined($diag{'multipart'})) { | |
596 | if($wholebody=~/[\x80-\xff]/){ | |
597 | # (@problem) = $wholebody=~/([\x80-\xff])/g; | |
598 | $debugmsg .= " Found 8bit-characters in body.\n"; | |
599 | # $debugmsg .= " @problem\n"; | |
600 | if(defined($header{'content-type'})){ | |
601 | if($header{'content-type'}!~/charset=/i){ | |
602 | $diag{'nocharset'}=1; | |
603 | $diaglevel=2; | |
604 | $debugmsg .= " $debugdiagmarker Header \"Content-Type:\" does not define charset.\n"; | |
605 | }; | |
606 | if($header{'content-type'}=~/us-ascii/) { | |
607 | $diag{'nocharset'}=1; | |
608 | $diaglevel=2; | |
609 | $debugmsg .= " $debugdiagmarker Charset is \"US-ASCII\".\n"; | |
610 | }; | |
611 | }else{ | |
612 | $diag{'nocharset'}=1; | |
613 | $diaglevel=2; | |
614 | $debugmsg .= " $debugdiagmarker No charset defined.\n"; | |
615 | } | |
616 | if(!defined($header{'content-transfer-encoding'})) { | |
617 | $diag{'nocontenttransferenc'}=1; | |
618 | $diaglevel=2; | |
619 | $debugmsg .= " $debugdiagmarker No content-transfer-encoding defined.\n"; | |
620 | }; | |
621 | } | |
622 | } | |
623 | ||
624 | # * ---> check for vcards | |
625 | if($wholebody=~/(^begin:vcard\s*$)(.|[\n])+(^end:vcard\s*$)/im) { | |
626 | $diag{'vcard'}=1; | |
627 | $diaglevel ||= 1; | |
628 | $debugmsg .= " $debugdiagmarker V-Card identified.\n"; | |
629 | }; | |
630 | ||
631 | $sigstart = $#body; | |
632 | # sig-delimiter and (too) long sigs | |
633 | for($i=$#body;$i>-1;$i--){ #-# 1.2.01i: fixed sigdelimiter first line | |
634 | if (defined($diag{'base64'})) { | |
635 | $body[$i] =~ s/\r$//; # remove carriage returns (CR-CR-LF to CR-LF) | |
636 | }; | |
637 | if($body[$i]=~/^(- )?--[^-]?\s*$/){ | |
638 | $sigstart = $i; | |
639 | $debugmsg .= " Possible sig-delimiter found in line " . ($i+1) . " of posting.\n"; | |
640 | if ($body[$i] !~/^(- )?-- $/ and $sigokay == 0) { | |
641 | $diag{'sigdelimiter'} = 1; | |
642 | $wrongsig = $body[$i]; | |
643 | $debugmsg .= " $debugdiagmarker Sig-delimiter in line " . ($i+1) . " is wrong.\n"; | |
644 | $debugmsg .= " Sig-delimiter was \"$wrongsig\".\n"; | |
645 | } else { | |
646 | $sigokay ||= $i+1; | |
647 | $debugmsg .= " Sig-delimiter is correct or not checked."; | |
648 | if ($diag{'sigdelimiter'} == 1) { | |
649 | delete $diag{'sigdelimiter'}; | |
650 | $debugmsg .= " - Reset error-message.\n"; | |
651 | } else { | |
652 | $debugmsg .= "\n"; }; | |
653 | }; | |
654 | if($sigokay > 0) { | |
655 | $f = $sigokay-1; | |
656 | } else { | |
657 | $f = $i; | |
658 | }; | |
659 | if ($f+4<$#body) { | |
660 | $diag{'longsig'}=1; | |
661 | $diaglevel ||= 1; | |
662 | $debugmsg .= " $debugdiagmarker Sig is too long [starting line ".($f+2)." - ending line ".($#body+1)."].\n"; | |
663 | }; | |
664 | } | |
665 | } | |
666 | if ($diag{'sigdelimiter'} == 1) {$diaglevel ||= 1;}; | |
667 | ||
668 | # lines to long | |
669 | LINECHECK: | |
670 | for ($i=$sigstart; $i>=0; $i--) { | |
671 | last LINECHECK if(!defined($body[$i])); | |
672 | if(($body[$i]=~/^.{75,}$/) and ($body[$i]!~/^[ ]*[>|:]/)) { | |
673 | $diag{'longlines'}=1; | |
674 | $diaglevel ||= 1; | |
675 | $debugmsg .= " $debugdiagmarker Line " . ($i+1) . " too long and not quoted.\n"; | |
676 | $debugmsg .= " Offending line: " . $body[$i] . "\n"; | |
677 | }; | |
678 | } | |
679 | ||
680 | if ($sigstart < $#body) { | |
681 | SIGCHECK: | |
682 | for ($i=$sigstart; $i<=$#body; $i++) { | |
683 | last SIGCHECK if(!defined($body[$i])); | |
684 | if($body[$i]=~/^.{81,}$/) { | |
685 | $diag{'longlinesig'}=1; | |
686 | $diaglevel ||= 1; | |
687 | $debugmsg .= " $debugdiagmarker Line " . ($i-$sigstart) . " of signature too long.\n"; | |
688 | $debugmsg .= " Offending line: " . $body[$i] . "\n"; | |
689 | } | |
690 | } | |
691 | } | |
692 | } else { | |
693 | $debugmsg .= " Message does not contain body.\n" | |
694 | }; | |
695 | ||
696 | # if config for any problem is empty (.rc-file!), reset diag | |
697 | foreach $i (keys %diag) { | |
698 | if(!defined($config{$i}) and defined($diag{$i})) { | |
699 | delete $diag{$i}; | |
700 | $debugmsg .= " ! Configuration: Text for [$i] missing - problem was found, but won't be reported.\n"; | |
701 | } | |
702 | } | |
703 | ||
704 | # increase diaglevel if pedantic is on | |
705 | if ($pedantic) { $diaglevel += 1; }; | |
706 | ||
707 | $debugmsg .= " --- End of Check Results ---\n\n"; | |
708 | ||
709 | # if subject == 'check' or auto == 1 and $diaglevel > 1: | |
710 | # post followup | |
711 | if ($docheck or ($auto && ($diaglevel > 1))) { | |
712 | op(2,"Got one! ---> $header{'message-id'}\n"); | |
713 | op(2,"Generating followup, writing to $testgroup ..."); | |
714 | # generate followup | |
715 | @article = $config{'head'}; | |
716 | push @article, "Newsgroups: $testgroup\n"; | |
717 | ($m=$header{'message-id'})=~s/\@(.*)>$/%$1/; | |
718 | push @article, 'Message-ID: '.$m.'@checkbot.fqdn.de>'."\n"; | |
719 | if(defined($header{'references'})) { | |
720 | push @article, "References: $header{'references'} $header{'message-id'}\n" | |
721 | } else { | |
722 | push @article, "References: $header{'message-id'}\n" | |
723 | } | |
724 | ($wtag,$monat,$tag,$zeit,$jahr) = (split / +/, (scalar gmtime)); | |
725 | push @article, "Date: $wtag, $tag $monat $jahr $zeit GMT\n"; | |
726 | $f = "Subject: "; | |
727 | $f .= "Re: " unless ($header_decoded{'subject'}=~/^[ \t]*re:/i); | |
728 | $f .= &encode_header($header_decoded{'subject'}); | |
729 | push @article, "$f\n"; | |
730 | push @article, "X-Artchk-Version: artchk.pl (mod.) $version\n"; | |
731 | if($header_decoded{'subject'}=~/(^|\s)replybymail(\s|$)/) { | |
732 | push @article, "X-Sorry: 'replybymail' not supported in this version.\n"; | |
733 | } | |
734 | if ($auto==2) { | |
735 | push @article, "X-Comment: Check enforced by operator using '$0 -c'.\n"; | |
736 | } | |
737 | push @article, "MIME-Version: 1.0\n"; | |
738 | push @article, "Content-Type: text/plain; charset=ISO-8859-1\n"; | |
739 | push @article, "Content-Transfer-Encoding: 8bit\n"; | |
740 | push @article, "\n"; | |
741 | if ($auto==2) { | |
742 | push @article, $config{'header-forced'} | |
743 | } elsif ($docheck) { | |
744 | push @article, $config{'header'} | |
745 | } elsif ($auto) { | |
746 | push @article, $config{'header-auto'} | |
747 | } else { | |
748 | push @article, "\nCHECKBOT INTERNAL ERROR!\n" | |
749 | } | |
750 | push @article, "\n"; | |
751 | push @article, "$header_decoded{'from'} schrieb:\n\n"; | |
752 | if(scalar @body==0){push @article, "[nichts]\n\n"} | |
753 | else{for(0..4){push @article, '>'.$body[$_]."\n" if defined $body[$_]}} | |
754 | push @article, "[...]\n" if (defined($body[5])); | |
755 | push @article, "\n"; | |
756 | ||
757 | if(scalar keys %diag !=0){ | |
758 | push @article, $config{'intro'},"\n"; | |
759 | if (defined($diag{'duplicate'}) && $diag{'duplicate'}==1) { | |
760 | push @article, $config{'duplicate'},"\n"; | |
761 | while ($_=shift @duplicate) { | |
762 | push @article, "| $_\n"; | |
763 | }; | |
764 | push @article, "\n"; #-# 1.2.01k | |
765 | }; | |
766 | foreach $i (qw/from from-domain from-roles noname reply-to reply-to-domain reply-to-roles replytofrom date | |
767 | nomid 8bitheader nocharset nocontenttransferenc sigdelimiter longsig | |
768 | multipart base64 html vcard longlines longlinesig /){ #-# 1.2.01k: removed qp | |
769 | if (defined($diag{$i}) && $diag{$i}==1) { | |
770 | push @article, ev($i), "\n"; # Variablen expandieren | |
771 | }; | |
772 | if (defined($config{"$i-$nr"}) && $diag{$i}==1) { | |
773 | push @article, ev("$i-$nr"), "\n"; # Variablen expandieren | |
774 | }; | |
775 | }; | |
776 | if (defined($config{'umlauts'})) { | |
777 | push @article, $config{'umlauts'},"\n" if((defined($diag{'nocharset'})) && ($diag{'nocharset'}==1) or | |
778 | (defined($diag{'8bitheader'})) && ($diag{'8bitheader'}==1)); | |
779 | }; | |
780 | if (defined($config{'violation'}) && $diaglevel > 1) { #-# 1.2.01k | |
781 | push @article, "$config{'violation'}\n"; | |
782 | }; | |
783 | push @article, $config{'nr'},"\n"; | |
784 | if (defined($nr) and (defined($config{$nr}))) { | |
785 | push @article, ev('nr-known'), "\n"; # Variablen expandieren | |
786 | push @article, ev($nr), "\n"; # Variablen expandieren | |
787 | }; | |
788 | if (defined($header{'x-trace'}) and ($header{'x-trace'}=~/^fu-berlin.de/) and defined($config{'newscis'})) { | |
789 | push @article, "$config{'newscis'}\n"; | |
790 | }; | |
791 | }else{ | |
792 | push @article, $config{'allok'},"\n"; | |
793 | } | |
794 | ||
795 | if ($header_decoded{'subject'}=~ /$trigger_check verbose/io) { | |
796 | push @article, $config{'debug'}; | |
797 | ($f=$debugmsg)=~s/\n/\n\| /g; | |
798 | $f = '| ' . $f . "\n\n"; | |
799 | push @article, $f; | |
800 | }; | |
801 | ||
802 | push @article, $config{'footer'}; | |
803 | ||
804 | if ($feedmode) { #-# 1.2.01k ----> | |
805 | # open server for posting | |
806 | if ($postingserver ne '') { | |
807 | $postserver = &connectserver($postingserver,$postingport,$posts_user,$posts_pass) | |
808 | } else { | |
809 | $postserver = &connectserver($server,$port,$s_user,$s_pass); | |
810 | }; | |
811 | $f = \$postserver; | |
812 | } else { #-# 1.2.01k <----- | |
813 | if ($postingserver ne '') { | |
814 | $f = \$postserver; | |
815 | $i = "$postingserver"; | |
816 | if ($postingport ne '') { | |
817 | $i .= "(Port $postingport)"; | |
818 | } | |
819 | } else { | |
820 | $f = \$readserver; | |
821 | $i="$server"; | |
822 | if ($port ne '') { | |
823 | $i .= " (Port $port)"; | |
824 | } | |
825 | } | |
826 | }; | |
827 | if (!($$f->post(@article))) { #-# 1.2.01g | |
828 | op(13,"\n$serverresponse Error: " . $$f->code . ' ' . $$f->message); | |
829 | op(0,"Error writing followup to $i.\n"); | |
830 | if ($$f->message =~ /imeout/ and $postingserver ne '') { | |
831 | op(10,"Retry due to timeout ..."); | |
832 | $postserver = &connectserver($postingserver,$postingport,$posts_user,$posts_pass); | |
833 | if (!($postserver->post(@article))) { | |
834 | op(13,"\n$serverresponse Error: " . $$f->code . ' ' . $$f->message); | |
835 | op(0,"Error writing followup to $i during retry.\n"); | |
836 | } else { | |
837 | op(2," done (written to $i).\n"); | |
838 | op(2,"Message-ID was $m\@checkbot.fqdn.de>.\n"); | |
839 | op(3,"$serverresponse".$postserver->code.' '.$postserver->message); | |
840 | }; | |
841 | }; | |
842 | } else { | |
843 | op(2," done (written to $i).\n"); | |
844 | op(2,"Message-ID was $m\@checkbot.fqdn.de>.\n"); | |
845 | op(3,"$serverresponse".$$f->code.' '.$$f->message); | |
846 | }; | |
847 | if ($feedmode) { #-# 1.2.01k | |
848 | $postserver->quit; | |
849 | }; | |
850 | op(14,"\n$header{'message-id'}:\n$debugmsg\n\n"); | |
851 | } else { | |
852 | op(15,"$header{'message-id'}:\n$debugmsg\n"); | |
853 | } | |
854 | } | |
855 | ||
856 | ################################################################ | |
857 | # Subroutines: get_mail_address | |
858 | # encode_header / hdecode / dodecode | |
859 | # evaluate variables | |
860 | # generic output routinte (instead of 'print') | |
861 | # connect to server | |
862 | ||
863 | sub getmailaddress { | |
864 | my($raw)=shift; | |
865 | my($tmp,$address,$name,$lp,$dp,$type); | |
866 | if($raw=~/^<?($r_address)>?$/) { | |
867 | $type = 1; | |
868 | $address = $1; | |
869 | $name = ''; | |
870 | } elsif($raw=~/^($r_address)\s+\($r_paren_phrase\)\s*$/) { | |
871 | $type = 2; | |
872 | $address = $1; | |
873 | $tmp = quotemeta($address); | |
874 | ($name = $raw) =~ s/^$tmp\s+\(([^()]+)\)$/$1/; | |
875 | } elsif($raw=~/^(($r_quoted_word|$r_unquoted_word)(\s+($r_quoted_word|$r_unquoted_word))*)\s+<$r_address>\s*$/) { | |
876 | $type = 3; | |
877 | $name = $1; | |
878 | ($address = $raw) =~ s/.*<($r_address)>\s*$/$1/; | |
879 | }; | |
880 | ($lp = $address) =~ s/^([^@]+)@.*/$1/; | |
881 | ($dp = $address) =~ s/\S*\@(\S*)$/$1/; | |
882 | chomp ($address, $name, $lp, $dp, $type); | |
883 | foreach $tmp ($address, $name, $lp, $dp, $type) { | |
884 | $tmp = lc($tmp); | |
885 | }; | |
886 | return $address, $name, $lp, $dp, $type; | |
887 | } | |
888 | ||
889 | sub checkfromrp { | |
890 | # * ---> check from-header / reply-to | |
891 | my ($headername) = shift; | |
892 | my $hname = lc($headername); | |
893 | my($address,$name,$locpart,$dompart,$type)=&getmailaddress($header_decoded{$hname}); | |
894 | my $tld; | |
895 | ($tld = $dompart) =~ s/.*\.([^.]+)$/$1/; # isolate TLD | |
896 | $tld = lc($tld); | |
897 | if ($hname eq 'from') { | |
898 | if($type==1) { | |
899 | $debugmsg .= " \"From:\"-header is type 1 [address\@do.main].\n"; | |
900 | }elsif($type==2) { | |
901 | $debugmsg .= " \"From:\"-header is type 2 [address\@do.main (full name)].\n"; | |
902 | }elsif($type==3) { | |
903 | $debugmsg .= " \"From:\"-header is type 3 [full name <address\@do.main>].\n"; | |
904 | }else{ | |
905 | $diag{'from'}=1; | |
906 | $diaglevel=2; | |
907 | $debugmsg .= " $debugdiagmarker \"From:\"-syntax is incorrect.\n"; | |
908 | }; | |
909 | } else { | |
910 | if($type==0) { | |
911 | $diag{'reply-to'}=1; | |
912 | $diaglevel=2; | |
913 | $debugmsg .= " $debugdiagmarker \"Reply-To:\" is incorrect.\n"; | |
914 | }; | |
915 | } | |
916 | $f = lc($dompart); | |
917 | if($f =~ /[^a-z0-9\-.]/) { | |
918 | $diag{$hname}=1; | |
919 | $diaglevel=2; | |
920 | $debugmsg .= " $debugdiagmarker \"$headername:\" is incorrect: invalid chars in domain.\n"; | |
921 | }; | |
922 | if($type!=0) { | |
923 | # domain | |
924 | if(!defined($domain{$tld})) { | |
925 | $diag{"$hname".'-domain'}=1; | |
926 | $diaglevel=2; | |
927 | $debugmsg .= " $debugdiagmarker \"$headername:\" is incorrect: no valid TLD.\n"; | |
928 | # MX-/A-lookup | |
929 | } else { | |
930 | if ($online) { | |
931 | $res = Net::DNS::Resolver -> new(); | |
932 | $res->usevc(1); | |
933 | $res->tcp_timeout(15); | |
934 | $i='okay'; #-# 1.2.01i: fixed 'bug' in logging DNS-checks | |
935 | @mx = mx($res,$dompart) or $i = $res->errorstring; | |
936 | $debugmsg .= " DNS (\"$headername:\"): $i.\n"; #-# 1.2.01i: fixed 'bug' in logging DNS-checks | |
937 | if ($i eq 'NXDOMAIN' or $i eq 'NOERROR') { | |
938 | $debugmsg .= " No MX-record for \"$dompart\": $i.\n"; | |
939 | $i='okay'; #-# 1.2.01i: fixed 'bug' in logging DNS-checks | |
940 | $query = $res->search($dompart) or $i = $res->errorstring; | |
941 | $debugmsg .= " DNS (\"$headername:\"): $i.\n"; #-# 1.2.01i: fixed 'bug' in logging DNS-checks | |
942 | if ($i eq 'NXDOMAIN' or $i eq 'NOERROR') { | |
943 | $debugmsg .= " $debugdiagmarker No A-record either: $i - \"$headername:\" is not replyable.\n"; | |
944 | $diag{"$hname".'-domain'}=1; | |
945 | $diaglevel=2; | |
946 | }; | |
947 | }; | |
948 | }; | |
949 | }; | |
950 | # no name, just address? | |
951 | if ($hname eq 'from') { | |
952 | if($name !~ /[a-z][^.]\S*\s+\S*([a-z][^.]\S*)+/i) { | |
953 | $diag{'noname'}=1; | |
954 | $diaglevel ||= 1; | |
955 | $debugmsg .= " $debugdiagmarker \"From:\" does not contain full name.\"\n"; | |
956 | }; | |
957 | }; | |
958 | # check for role accounts | |
959 | ROLES: foreach $f (@roles) { | |
960 | if ($f eq lc($locpart)) { | |
961 | $diag{"$hname".'-roles'}=1; | |
962 | $diaglevel ||= 1; | |
963 | $debugmsg .= " $debugdiagmarker \"$headername:\" contains role account.\"\n"; | |
964 | last ROLES; | |
965 | }; | |
966 | }; | |
967 | }; | |
968 | if (defined($diag{$hname}) or defined($diag{"$hname".'-domain'}) or defined($diag{"$hname".'-roles'}) or ($debuglevel > 4)) { | |
969 | $debugmsg .= " \"$headername:\": \"$header{$hname}\".\n"; | |
970 | if ($header{$hname} ne $header_decoded{$hname}) { | |
971 | $debugmsg .= " \"$headername:\" (decoded): \"$header_decoded{$hname}\".\n"; | |
972 | }; | |
973 | } elsif (defined($diag{'noname'}) and ($hname eq 'from')) { | |
974 | $debugmsg .= " \"From:\": \"$header{'from'}\".\n"; | |
975 | if ($header{'from'} ne $header_decoded{'from'}) { | |
976 | $debugmsg .= " \"From:\" (decoded): \"$header_decoded{'from'}\".\n"; | |
977 | }; | |
978 | }; | |
979 | return ($locpart,$dompart); | |
980 | } | |
981 | ||
982 | sub encode_header { | |
983 | my $header=shift; | |
984 | my ($word,$space,$encoded_header); | |
985 | while ($header=~/(\S+)(\s*)/g) { | |
986 | ($word,$space) = ($1,$2); | |
987 | if ($word=~/[\x80-\xFF]/) { | |
988 | $word='=?iso-8859-1?Q?'.encode_qp($word).'?='; | |
989 | } | |
990 | $encoded_header .= "$word$space"; | |
991 | } | |
992 | $encoded_header =~ s/\?=(\s+)=\?iso-8859-1\?Q\?/$1/g; | |
993 | return $encoded_header; | |
994 | } | |
995 | ||
996 | ||
997 | sub hdecode { | |
998 | my $header=shift; | |
999 | if ($header=~/=\?.*\?(.)\?(.*)\?=/) { | |
1000 | $header=~s/=\?.*\?(.)\?(.*)\?=/&dodecode($1,$2)/ge; | |
1001 | }; | |
1002 | $header=~s/\n\t//; # unfold headers | |
1003 | return $header; | |
1004 | } | |
1005 | ||
1006 | ||
1007 | sub dodecode { | |
1008 | # decode RFC 1522 headers | |
1009 | my $enc=shift; | |
1010 | my $etext=shift; | |
1011 | ||
1012 | if($enc=~/^q$/i){ | |
1013 | $etext=decode_qp($etext); | |
1014 | $etext=~s/_/' '/ge; | |
1015 | }elsif($enc=~/^b$/i){ | |
1016 | $etext=decode_base64($etext); | |
1017 | }else{$etext=''} | |
1018 | return $etext; | |
1019 | } | |
1020 | ||
1021 | ||
1022 | sub op { | |
1023 | # (debug) output | |
1024 | # level 0 : error messages, introduction/end | |
1025 | # level 1 (-v) : + configuration and summaries | |
1026 | # level 2 (-vv) : + progress indicator | |
1027 | # level 3 (-vvv) : + NNTP-replies from server(s) | |
1028 | # level 4 (-vvvv) : + debug-output from check-routines | |
1029 | # level >=10 : output also to logfile if activated | |
1030 | my($level,$text,$handle) = @_; | |
1031 | if ($level >= 10) { | |
1032 | if ($logging) { print LOG $text; }; | |
1033 | $level -= 10; | |
1034 | }; | |
1035 | $handle ||= 'STDOUT'; | |
1036 | if ($debuglevel >= $level and not $feedmode) { | |
1037 | print $handle $text; | |
1038 | }; | |
1039 | } | |
1040 | ||
1041 | ||
1042 | ||
1043 | sub connectserver { | |
1044 | my($server,$port,$s_user,$s_pass) = @_; | |
1045 | ||
1046 | # connect to server | |
1047 | op(0,"Connecting to news server ..."); | |
1048 | my $c = new News::NNTPClient($server,$port); | |
1049 | ||
1050 | if (!($c->code)) { | |
1051 | op(0,"\nCan't connect to server. Aborting.\n"); | |
1052 | die "\nCan't connect to server. Aborting.\n"; | |
1053 | } else { | |
1054 | op(0," done.\n"); | |
1055 | } | |
1056 | ||
1057 | $c->postok() or op(0,"Server does not allow posting?!\n"); | |
1058 | ||
1059 | op(3,"$serverresponse".$c->code.' '.$c->message); | |
1060 | ||
1061 | # switch off error messages from News::NNTPClient | |
1062 | $c->debug(0); | |
1063 | ||
1064 | # mode reader | |
1065 | op(1,'MODE reader ...'); | |
1066 | if (!($c->mode_reader)) { | |
1067 | op(10,"\n$serverresponse Error: " . $c->code . ' ' . $c->message . "Aborting.\n"); | |
1068 | die '$serverresponse Error: ' . $c->code . ' ' . $c->message . "Aborting.\n"; | |
1069 | } else { | |
1070 | op(1," done.\n"); | |
1071 | op(3,"$serverresponse".$c->code.' '.$c->message); | |
1072 | }; | |
1073 | ||
1074 | # authorize, if needed | |
1075 | if ($s_user ne '') { | |
1076 | op(1,"Authentification ..."); | |
1077 | if ($c->authinfo($s_user,$s_pass)) { | |
1078 | op(1," done.\n"); | |
1079 | } else { | |
1080 | op(0,"\nAuthentification failure. Aborting.\n"); | |
1081 | die "\nAuthentification failure. Aborting.\n"; | |
1082 | } | |
1083 | op(3,"$serverresponse", $c->code, ' ', $c->message); | |
1084 | }; | |
1085 | ||
1086 | op(0,"\n"); | |
1087 | $c; | |
1088 | } | |
1089 | ||
1090 | ||
1091 | ################################################################ | |
1092 | # Subroutines for reading / writing files | |
1093 | # - read rc | |
1094 | # - read/write ini | |
1095 | # - read domains | |
1096 | ||
1097 | sub readrcfile { | |
1098 | my($a,$i); | |
1099 | open(RC,'<'.$pathtoini.$rcname.'.rc')||die "Could not open $pathtoini"."$rcname.rc for reading: $!"; | |
1100 | $a=''; | |
1101 | until(eof(RC)){ | |
1102 | $i=<RC>; | |
1103 | next if(substr($i,0,1) eq ';'); | |
1104 | if($i=~/^\[.*\]$/){ $a=substr($i,1,-2);next; } | |
1105 | $config{$a}.=$i; | |
1106 | } | |
1107 | close(RC); | |
1108 | # check for _necessary_ entries | |
1109 | foreach $i (qw/head header header-auto footer intro allok nr debug/) { | |
1110 | if(!defined($config{$i})){ | |
1111 | op(0,"The entry [$i] is missing in the $rcname.rc file. This entry\n"); | |
1112 | op(0,"is necessary.\n"); | |
1113 | exit(1); | |
1114 | } | |
1115 | } | |
1116 | # check for other entries | |
1117 | foreach $i (qw/multipart html vcard nocharset nocontenttransferenc base64 nomid | |
1118 | nomid-moz longlines longlinesig 8bitheader replytofrom reply-to sigdelimiter | |
1119 | sigdelimiter-oe date from noname longsig umlauts nr-known oe moz agent | |
1120 | xnews gnus macsoup slrn newscis from-domain from-roles reply-to-domain reply-to-roles/) { #-# 1.2.01k: removed qp | |
1121 | if(!defined($config{$i})){ | |
1122 | op(0,"\n.rc: The entry [$i] is missing in the $rcname.rc file.\n"); | |
1123 | op(0," Corresponding check will be skipped.\n"); | |
1124 | } | |
1125 | } | |
1126 | } | |
1127 | ||
1128 | ||
1129 | sub readini { | |
1130 | my($a,$b,$c); | |
1131 | open(INI,'<'.$pathtoini.$ininame.'.ini')||die "Could not open $pathtoini"."$ininame.ini for reading: $!"; | |
1132 | until(eof(INI)) { | |
1133 | $c=<INI>; | |
1134 | if ($c=~/=/) { # if '=' is found in line | |
1135 | chomp(($a,$b)=split(/=/,$c)); # split it into parametername and -contents | |
1136 | $a=~s/^\s*(.*?)\s*$/$1/g; # delete leading/trailing whitespace | |
1137 | $b=~s/^\s*(.*?)\s*$/$1/g; # delete leading/trailing whitespace | |
1138 | if ($a eq 'reader') { | |
1139 | chomp(($server,$port)=split(/,/,$b)); | |
1140 | } elsif ($a eq 'reader_user') { | |
1141 | chomp($s_user=$b); | |
1142 | } elsif ($a eq 'reader_pass') { | |
1143 | chomp($s_pass=$b); | |
1144 | } elsif ($a eq 'poster') { | |
1145 | chomp(($postingserver,$postingport)=split(/,/,$b)); | |
1146 | } elsif ($a eq 'poster_user') { | |
1147 | chomp($posts_user=$b); | |
1148 | } elsif ($a eq 'poster_pass') { | |
1149 | chomp($posts_pass=$b); | |
1150 | } elsif ($a eq 'trigger_check') { | |
1151 | chomp($trigger_check=$b); | |
1152 | } elsif ($a eq 'trigger_ignore') { | |
1153 | chomp($trigger_ignore=$b); | |
1154 | } elsif ($a eq 'rcfile') { | |
1155 | chomp($rcname=$b); | |
1156 | } elsif ($a eq 'killfile') { | |
1157 | chomp($killname=$b); | |
1158 | } | |
1159 | } elsif ($c =~/checkgroups:/) { | |
1160 | until(eof(INI)){ | |
1161 | chomp(($a,$b,$c)=split(/ /,<INI>)); | |
1162 | @testgroups = (@testgroups, $a) unless ($a!~/^\w+(\.\w+)+/); | |
1163 | if ($b eq 'y') { | |
1164 | $auto{$a} = 1; | |
1165 | }else{ | |
1166 | $auto{$a} = 0; | |
1167 | }; | |
1168 | $watermark{$a} = $c; | |
1169 | if (!defined($watermark{$a})) {$watermark{$a} = 0}; | |
1170 | } | |
1171 | } | |
1172 | } | |
1173 | close(INI); | |
1174 | if($server eq '') { | |
1175 | op(0,"You have to define a reading server in $ininame.ini\n"); | |
1176 | exit(1); | |
1177 | } | |
1178 | if($trigger_check eq '') { | |
1179 | $trigger_check='check'; | |
1180 | } | |
1181 | if($trigger_ignore eq '') { | |
1182 | $trigger_ignore='(ignore)|(no[ ]*repl(y|(ies)))|(nocheck)'; | |
1183 | } | |
1184 | if($rcname eq '') { | |
1185 | $rcname=$ininame; | |
1186 | } elsif ($rcname=~/\.rc$/) { | |
1187 | $rcname=~s/(.*?)\.rc$/$1/; | |
1188 | } | |
1189 | if($killname eq '') { | |
1190 | $killname=$ininame; | |
1191 | } elsif ($killname=~/\.kill$/) { | |
1192 | $killname=~s/(.*?)\.kill$/$1/; | |
1193 | } | |
1194 | if(scalar(@testgroups) == 0) { | |
1195 | op(0,"You have to define at least one testgroup in $ininame.ini\n"); | |
1196 | exit(1); | |
1197 | } | |
1198 | } | |
1199 | ||
1200 | ||
1201 | sub writeini { | |
1202 | my($r,$tmp,$point); | |
1203 | open(INI,'<'.$pathtoini.$ininame.'.ini')||die "Could not open $pathtoini"."$ininame.ini for reading: $!"; | |
1204 | until(eof(INI)) { | |
1205 | $r = <INI>; | |
1206 | $tmp .= $r; | |
1207 | if ($r =~/checkgroups:/) { | |
1208 | last; | |
1209 | } | |
1210 | } | |
1211 | close (INI); | |
1212 | open(INI,'>'.$pathtoini.$ininame.'.ini')||die "Could not open $pathtoini"."$ininame.ini for writing: $!"; | |
1213 | print INI $tmp; | |
1214 | foreach $testgroup (@testgroups) { | |
1215 | print INI "$testgroup "; | |
1216 | if ($auto{$testgroup} == 0) { | |
1217 | print INI 'n ' | |
1218 | }else{ | |
1219 | print INI 'y ' | |
1220 | }; | |
1221 | print INI "$watermark{$testgroup}\n"; | |
1222 | } | |
1223 | close(INI); | |
1224 | } | |
1225 | ||
1226 | ||
1227 | sub readdomains { | |
1228 | my ($i,@domains); | |
1229 | open(DOM,'<'.$pathtoini.'domains')||die "Could not open \"$pathtoini"."domains\" for reading: $!"; | |
1230 | chomp(@domains = split(/ /,<DOM>)); | |
1231 | close(DOM); | |
1232 | $i = 0; | |
1233 | until(!defined(@domains[$i])) { | |
1234 | $domain{$domains[$i]} = 'valid'; | |
1235 | $i++; | |
1236 | }; | |
1237 | } | |
1238 | ||
1239 | __END__ |