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source: trunk/plugins/nikto_core.plugin @ 438

Revision 438, 87.0 KB checked in by sullo, 3 years ago (diff)
Random updates
Property svn:keywords set to `Id`

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1	#VERSION,2.1.1
2	# $Id$
3	###############################################################################
4	# Copyright (C) 2006 CIRT, Inc.
5	#
6	# This program is free software; you can redistribute it and/or
7	# modify it under the terms of the GNU General Public License
8	# as published by the Free Software Foundation; version 2
9	# of the License only.
10	#
11	# This program is distributed in the hope that it will be useful,
12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14	# GNU General Public License for more details.
15	#
16	# You should have received a copy of the GNU General Public License
17	# along with this program; if not, write to the Free Software
18	# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19	###############################################################################
20	# PURPOSE:
21	# Nikto core functionality
22	###############################################################################
23
24	sub change_variables {
25
26	# $line is the unfiltered variable
27	my $line = $_[0];
28	my @subtests; # @subtests is the returned array of expanded variables
29	my $cooked;
30
31	my $shname = $mark->{'hostname'} \|\| $mark->{'ip'};
32	$line =~ s/\@IP/$mark->{'ip'}/g;
33	$line =~ s/\@HOSTNAME/$shname/g;
34	$line =~ s/JUNK\(([0-9]+)\)/LW2::utils_randstr($1)/e;
35
36	if ($line !~ "\@") {
37	push(@subtests, $line);
38	}
39	else {
40	foreach my $varname (keys %VARIABLES) {
41	if ($line =~ /$varname/) {
42
43	# We've found the variable; now to expand it!
44	foreach my $value (split(/ /, $VARIABLES{$varname})) {
45	$cooked = $line;
46	$cooked =~ s/$varname/$value/g;
47	push(@subtests, change_variables($cooked));
48	}
49	}
50	}
51	}
52
53	return @subtests;
54	}
55
56	###############################################################################
57	sub is_404 {
58	my ($uri, $content, $rescode, $loc_header) = @_;
59	$ext = get_ext($uri);
60
61	if (($FoF{$ext}{'mode'} eq "STD") && ($rescode =~ /4[0-9][0-9]/)) {
62	return 1;
63	}
64	elsif ($FoF{$ext}{'mode'} eq "REDIR") {
65	if (get_base_host($loc_header) eq $FoF{$ext}{'location'}) {
66	return 1;
67	}
68	}
69	elsif (($FoF{$ext}{'type'} eq "BLANK") && ($content eq "")) {
70	return 1;
71	}
72	elsif ($FoF{$ext}{'type'} eq "HASH") {
73	my $content = rm_active_content($content, $uri);
74	if (LW2::md4($content) eq $FoF{$ext}{'match'}) {
75	return 1;
76	}
77	}
78	else {
79	foreach my $string (keys %ERRSTRINGS) {
80	if ($content =~ /$string/i) {
81	return 1;
82	}
83	}
84	}
85
86	return 0;
87	}
88
89	###############################################################################
90	sub nprint {
91	my $line = shift;
92	my $mode = shift;
93	my ($mark) = @_;
94	chomp($line);
95
96	# scrub values
97	if ($OUTPUT{'scrub'}) {
98
99	# name
100	$line =~ s/$mark->{'hostname'}/example.com/ig unless $mark->{'hostname'} eq '';
101
102	# ip
103	$line =~ s/$mark->{'ip'}/0.0.0.0/ig unless $mark->{'ip'} eq '';
104
105	# vhost
106	$line =~ s/$CLI{'vhost'}/example.com/ig unless $CLI{'vhost'} eq '';
107
108	# and in case we got here from set_target
109	$line =~ s/$mark->{'ident'}/example.com/ig unless $mark->{'ident'} eq '';
110	}
111
112	# don't print debug & verbose to output file...
113	if ($mode ne '') {
114	if ($mode eq "d" && $OUTPUT{'debug'}) {
115	print "D:" . localtime() . " $line\n";
116	}
117	if ($mode eq "v" && $OUTPUT{'verbose'}) {
118	print "V:" . localtime() . " $line\n";
119	}
120	if ($mode eq "e" && $OUTPUT{'errors'}) {
121	print "E:" . localtime() . " $line\n";
122	}
123	return;
124	}
125
126	# print errors to STDERR
127	if ($line =~ /^\+ ERROR\:/) { print STDERR "$line\n"; return; }
128
129	# don't print to STDOUT if output file is "-"
130	if ((defined $CLI{'file'}) && ($CLI{'file'} eq "-")) { return; }
131
132	# print to scan details to standard output if the users wants another format and is saving results to a file
133	$line =~ s/(CVE\-[12][0-9]{4}-[0-9]{4})/http:\/\/cve.mitre.org\/cgi-bin\/cvename.cgi?name\=$1/g;
134	$line =~ s/(CA\-[12][0-9]{3}-[0-9]{2})/http:\/\/www.cert.org\/advisories\/$1.html/g;
135	$line =~ s/BID\-([0-9]{4})/http:\/\/www.securityfocus.com\/bid\/$1/g;
136	$line =~ s/(MS[0-9]{2}\-[0-9]{3})/http:\/\/www.microsoft.com\/technet\/security\/bulletin\/$1.asp/gi;
137	print "$line\n";
138
139	return;
140	}
141
142	###############################################################################
143	sub get_ext {
144	my $uri = $_[0] \|\| return;
145	if ($uri =~ /\/$/) { return "DIRECTORY"; }
146	$uri =~ s/^.*\///;
147	$uri =~ s/(\?\|\&\|\%).*$//;
148	if ($uri =~ /^\.[^.%]/) { return "DOTFILE"; }
149	if ($uri !~ /\./) { return "NONE"; }
150	$uri =~ s/\".*$//;
151	$uri =~ s/^.*\.//;
152	return $uri;
153	}
154
155	###############################################################################
156	sub date_disp {
157	my @time = localtime($_[0]);
158	my $result = sprintf("%d-%02d-%02d %02d:%02d:%02d",
159	$time[5] + 1900,
160	$time[4] + 1,
161	$time[3] + 1,
162	$time[2], $time[1], $time[0]);
163	return $result;
164	}
165
166	###############################################################################
167	sub get_base_host {
168	my $uri = $_[0] \|\| return;
169
170	# uri, protocol, host, port, params, frag, user, password.
171	my @hd = LW2::uri_split($uri);
172	my $base = $hd[1] . "://" . $hd[2];
173	if (($hd[3] != 80) && ($hd[3] != 443)) { $base .= ":" . $hd[3]; }
174	$base .= "/";
175	return $base;
176	}
177
178	###############################################################################
179	sub map_codes {
180	my ($mark) = @_;
181	my %REQS;
182	my $rs = LW2::utils_randstr(8);
183	my ($res, $content, $error, %headers);
184
185	# / for OK response
186	($res, $content, $error) = nfetch($mark, "/", "GET", "", \%headers, "", "map_codes");
187
188	if (defined $headers{'location'}) {
189	nprint("- Root page / redirects to: $result{'location'}");
190	if ($headers{'location'} =~ /^$mark->{'hostname'}/i) # same host
191	{
192	my $uri = $headers{'location'};
193	%headers = ();
194	($res, $content, $error) = nfetch($mark, "/", "GET", "", \%headers, "", "map_codes");
195	}
196	else # different host... ugh... guess
197	{
198	$FoF{'okay'}{'response'} = 200;
199	$FoF{'okay'}{'type'} = "STD";
200	}
201	}
202	else {
203	$FoF{'okay'}{'response'} = $res;
204	my $cooked = rm_active_content($content);
205	$FoF{'okay'}{'type'} = "HASH";
206	$FoF{'okay'}{'match'} = LW2::md4($cooked);
207	}
208
209	# these are some used in mutate that may not be in the db_tests
210	$db_extensions{'bak'} = 1;
211	$db_extensions{'data'} = 1;
212	$db_extensions{'dbc'} = 1;
213	$db_extensions{'dbf'} = 1;
214	$db_extensions{'lst'} = 1;
215	$db_extensions{'htx'} = 1;
216
217	foreach my $ext (keys %db_extensions) {
218	if ( $ext ne "DIRECTORY"
219	&& $ext ne "NONE"
220	&& $ext ne "DOTFILE") {
221	$REQS{"/$rs.$ext"} = $ext;
222	}
223	}
224
225	# add those generic type holders back as real files
226	$REQS{"/$rs/"} = "DIRECTORY";
227	$REQS{"/$rs"} = "NONE";
228	$REQS{"/.$rs"} = "DOTFILE";
229
230	foreach my $file (keys %REQS) {
231	nprint("- Testing error for file: $file\n", "v");
232	%headers = ();
233	($res, $content, $error) = nfetch($mark, $file, "GET", "", \%headers, "", "map_codes");
234
235	$ext = $REQS{$file};
236	$FoF{$ext}{'response'} = $res;
237
238	# handle .com to .org redirs or whatnot
239	if (defined $headers{'location'}) {
240	$FoF{$ext}{'location'} = get_base_host($headers{'location'});
241	}
242
243	# if it is not specific type, figure out Content or HASH method...
244	if ($FoF{$ext}{'response'} eq 404) { $FoF{$ext}{'mode'} = "STD"; next; }
245	elsif ($FoF{$ext}{'response'} eq 200) { $FoF{$ext}{'mode'} = "OK"; }
246	elsif ($FoF{$ext}{'response'} eq 410) { $FoF{$ext}{'mode'} = "STD"; next; }
247	elsif ($FoF{$ext}{'response'} eq 401) { $FoF{$ext}{'mode'} = "STD"; next; }
248	elsif ($FoF{$ext}{'response'} eq 403) { $FoF{$ext}{'mode'} = "STD"; next; }
249	elsif ($FoF{$ext}{'response'} eq 300) { $FoF{$ext}{'mode'} = "REDIR"; next; }
250	elsif ($FoF{$ext}{'response'} eq 301) { $FoF{$ext}{'mode'} = "REDIR"; next; }
251	elsif ($FoF{$ext}{'response'} eq 302) { $FoF{$ext}{'mode'} = "REDIR"; next; }
252	elsif ($FoF{$ext}{'response'} eq 303) { $FoF{$ext}{'mode'} = "REDIR"; next; }
253	elsif ($FoF{$ext}{'response'} eq 307) { $FoF{$ext}{'mode'} = "REDIR"; next; }
254	else { $FoF{$ext}{'mode'} = "OTHER"; }
255
256	# if we've got an OK/OTHER response, look at content first
257	# blank content, or hash...
258	if (length($content) == 0) {
259	$FoF{$ext}{'type'} = "BLANK";
260	$FoF{$ext}{'match'} = "";
261	}
262	else {
263	my $cooked = rm_active_content($content);
264	$FoF{$ext}{'type'} = "HASH";
265	$FoF{$ext}{'match'} = LW2::md4($cooked);
266	}
267	}
268
269	# lastly, get a hash of index.php so we can cut down on some false positives...
270	%headers = ();
271	($res, $content, $error) = nfetch($mark, "/index.php?", "GET", "", \%headers, "", "map_codes");
272
273	my $cooked = rm_active_content($content);
274	$FoF{"index.php"}{'match'} = LW2::md4($cooked);
275	$FoF{"index.php"}{'type'} = "HASH";
276
277	return;
278	}
279
280	###############################################################################
281	sub rm_active_content {
282
283	# Try to remove active content which could mess up the file's signature
284	my $cont = $_[0];
285	my $file = $_[1];
286
287	# filename
288	if ($file ne '') {
289	$file =~ s/([^a-zA-Z0-9\s])/\\$1/g;
290	$cont =~ s/$file//g;
291	}
292
293	# Dates
294	$cont =~ s/([0-9]{4}\|[0-9]{1,2})(\-\|\.\|\/)[0-9]{1,2}(\-\|\.\|\/)([0-9]{4}\|[0-9]{1,2})//g;
295	$cont =~ s/(([0-9]{2}:[0-9]{2}(:)?([0-9]{2})?)\|([0-9]{8,14}\|[0-9]{6}))//g;
296	$cont =~
297	s/(mon\|tue\|wed\|thu\|fri\|sat\|sun)(,)? [0-9]{1,2} (jan\|feb\|mar\|apr\|may\|jun\|jul\|aug\|sep\|oct\|nov\|dec) [0-9]{4} ([0-9]{2}:[0-9]{2}(:)?([0-9]{2})?)?//ig;
298	$cont =~
299	s/([0-9]{2,4})? ?(jan\|feb\|mar\|apr\|may\|jun\|jul\|aug\|sep\|oct\|nov\|dec)([0-9]{2,4})?(\/)?([0-9]{2})?([0-9]{2})?//gi;
300
301	$cont =~ s/[0-9\.]+ second//gi; # page load time
302	$cont =~ s/[0-9]+ queries//gi; # wordpress
303
304	# URI, if provided, plus encoded versions of it
305	# $_[1] has unescaped file name, and $file has escaped. use appropriate one!
306	if (defined $file) {
307
308	# match pages which link to themselves w/diff args
309	my $e = $file;
310	$e =~ s/^\/$file\??//;
311	$cont =~ s/$e//gs;
312
313	# again but with the index in place
314	$e = $file;
315	$cont =~ s/$e//gs;
316
317	# base 64
318	$e = LW2::encode_base64($_[1]);
319	$cont =~ s/$e//gs;
320
321	# hex encoded
322	$e = LW2::encode_uri_hex($_[1]);
323	$cont =~ s/$e//gs;
324
325	# unicode encoded
326	$e = LW2::encode_unicode($_[1]);
327	$cont =~ s/$e//gs;
328
329	# url encoding, full url
330	$e = $_[1];
331	$e =~ s/([^A-Za-z0-9])/sprintf("%%%02X", ord($1))/seg;
332	$cont =~ s/$e//gs;
333
334	# url encoding, query portion
335	if ($file =~ /\?/) {
336	$e = $file;
337	$e =~ s/\?(.*$)//;
338	my $qs = $1;
339	$qs =~ s/([^A-Za-z0-9])/sprintf("%%%02X", ord($1))/seg;
340	$e .= "?$qs";
341	$cont =~ s/$e//gs;
342	}
343	}
344
345	return $cont;
346	}
347
348	###############################################################################
349	sub dump_target_info {
350	my ($mark) = @_;
351	my $sslprint = "";
352
353	if ($mark->{ssl}) {
354	$sslprint = "$NIKTO{'DIV'}\n";
355	$sslprint .=
356	"+ SSL Info: Ciphers: $mark->{'ssl_cipher'}\n" .
357	" Info: $mark->{'ssl_cert_issuer'}\n" .
358	" Subject: $mark->{'ssl_cert_subject'}";
359	}
360
361	if ($mark->{ip} =~ /[a-z]/i) {
362	nprint("+ Target IP: (proxied)", "", $mark);
363	}
364	else {
365	nprint("+ Target IP: $mark->{ip}", "", $mark);
366	}
367
368	nprint("+ Target Hostname: $mark->{hostname}", "", $mark);
369	nprint("+ Target Port: $mark->{port}");
370	if ((defined $CLI{'vhost'}) && ($CLI{'vhost'} ne $mark->{hostname})) {
371	nprint("+ Virtual Host: $CLI{'vhost'}", "", $mark);
372	}
373	if (defined $request{'whisker'}->{'proxy_host'}) {
374	nprint(
375	"- Proxy: $request{'whisker'}->{'proxy_host'}:$request{'whisker'}->{'proxy_port'}"
376	);
377	}
378	if (defined $NIKTO{'hostid'}) {
379	nprint(
380	"- Host Auth: ID: $NIKTO{'hostid'}, PW: $NIKTO{'hostpw'}, Realm: $NIKTO{'hostdomain'}",
381	"v"
382	);
383	}
384	if ($mark->{ssl}) {
385	nprint($sslprint);
386	}
387
388	if (defined $NIKTO{'anti_ids'} && defined $CLI{'evasion'}) {
389	for (my $i = 1 ; $i <= (keys %{ $NIKTO{'anti_ids'} }) ; $i++) {
390	if ($CLI{'evasion'} =~ /$i/) {
391	nprint("+ Using IDS Evasion: $NIKTO{'anti_ids'}{$i}");
392	}
393	}
394	}
395	if (defined $NIKTO{'mutate_opts'} && defined $CLI{'mutate'}) {
396	for (my $i = 1 ; $i <= (keys %{ $NIKTO{'mutate_opts'} }) ; $i++) {
397	if ($CLI{'mutate'} =~ /$i/) {
398	nprint("+ Using Mutation: $NIKTO{'mutate_opts'}{$i}");
399	}
400	}
401	}
402	my $time = date_disp($mark->{start_time});
403	nprint("+ Start Time: $time");
404	nprint($NIKTO{'DIV'});
405
406	if ($mark->{banner} ne "") {
407	nprint("+ Server: $mark->{banner}");
408	}
409	else {
410	nprint("+ Server: No banner retrieved");
411	}
412
413	return;
414	}
415
416	###############################################################################
417	sub general_config {
418	## gotta set these first
419	$\| = 1;
420
421	# This is used in dump_target_info(), not just help output
422	$NIKTO{'anti_ids'}{'1'} = "Random URI encoding (non-UTF8)";
423	$NIKTO{'anti_ids'}{'2'} = "Directory self-reference (/./)";
424	$NIKTO{'anti_ids'}{'3'} = "Premature URL ending";
425	$NIKTO{'anti_ids'}{'4'} = "Prepend long random string";
426	$NIKTO{'anti_ids'}{'5'} = "Fake parameter";
427	$NIKTO{'anti_ids'}{'6'} = "TAB as request spacer";
428	$NIKTO{'anti_ids'}{'7'} = "Change the case of the URL";
429	$NIKTO{'anti_ids'}{'8'} = "Use Windows directory separator (\\)";
430	$NIKTO{'anti_ids'}{'A'} = "Use a carriage return (0x0d) as a request spacer";
431	$NIKTO{'anti_ids'}{'B'} = "Use binary value 0x0b as a request spacer";
432
433	# This is used in dump_target_info(), not just help output
434	$NIKTO{'mutate_opts'}{'1'} = "Test all files with all root directories";
435	$NIKTO{'mutate_opts'}{'2'} = "Guess for password file names";
436	$NIKTO{'mutate_opts'}{'3'} = "Enumerate user names via Apache (/~user type requests)";
437	$NIKTO{'mutate_opts'}{'4'} =
438	"Enumerate user names via cgiwrap (/cgi-bin/cgiwrap/~user type requests)";
439	$NIKTO{'mutate_opts'}{'5'} =
440	"Attempt to brute force sub-domain names, assume that the host name is the parent domain";
441	$NIKTO{'mutate_opts'}{'6'} = "Attempt to guess directory names from the supplied dictionary file";
442
443	### CLI STUFF
444	$CLI{'pause'} = $CLI{'html'} = $OUTPUT{'verbose'} = $CLI{'skiplookup'} =
445	$NIKTO{'totalrequests'} = $OUTPUT{'debug'} = $OUTPUT{'scrub'} = $OUTPUT{'errors'} = 0;
446	$CLI{'all_options'} = join(" ", @ARGV);
447
448	# preprocess CLI options which cannot be abbreviated
449	for (my $i = 0 ; $i <= $#ARGV ; $i++) {
450	if ($ARGV[$i] eq '-dbcheck') { dbcheck(); }
451	elsif ($ARGV[$i] eq '-update') { check_updates(); }
452	}
453
454	GetOptions("nolookup" => \$CLI{'skiplookup'},
455	"config=s" => \$CLI{'config'},
456	"Cgidirs=s" => \$CLI{'forcecgi'},
457	"mutate=s" => \$CLI{'mutate'},
458	"mutate-options=s" => \$CLI{'mutate-options'},
459	"id=s" => \$CLI{'hostauth'},
460	"evasion=s" => \$CLI{'evasion'},
461	"port=s" => \$CLI{'ports'},
462	"findonly" => \$CLI{'findonly'},
463	"root=s" => \$CLI{'root'},
464	"timeout=s" => \$CLI{'timeout'},
465	"Pause=s" => \$CLI{'pause'},
466	"ssl" => \$CLI{'ssl'},
467	"nocache" => \$CLI{'nocache'},
468	"nossl" => \$CLI{'nossl'},
469	"no404" => \$CLI{'nofof'},
470	"useproxy" => \$CLI{'useproxy'},
471	"Help" => \$CLI{'help'},
472	"vhost=s" => \$CLI{'vhost'},
473	"host=s" => \$CLI{'host'},
474	"output=s" => \$CLI{'file'},
475	"Format=s" => \$CLI{'format'},
476	"Display=s" => \$CLI{'display'},
477	"Single" => \$CLI{'Single'},
478	"Tuning=s" => \$CLI{'tuning'},
479	"Version" => \$CLI{'version'},
480	"Plugins=s" => \$CLI{'plugins'},
481	"list-plugins" => \$CLI{'list-plugins'},
482	"ask=s" => \$CLI{'ask'}
483	) or usage(0);
484
485	if ($CLI{'help'}) { usage(2); }
486	elsif ($CLI{'version'}) { version(); }
487	elsif ($CLI{'Single'}) { single(); }
488	elsif ($CLI{'list-plugins'}) { list_plugins(); }
489
490	# output file
491	if (!defined $CLI{'format'}) {
492
493	# Check what output has
494	$CLI{'format'} = "none";
495	if (defined $CLI{'file'}) {
496	$CLI{'format'} = lc($CLI{'file'});
497	$CLI{'format'} =~ s/(^.\.)([^.]$)/$2/g;
498	}
499	}
500
501	if ($CLI{'format'} =~ /te?xt/i) { $CLI{'format'} = "txt"; }
502	elsif ($CLI{'format'} =~ /html?/i) { $CLI{'format'} = "htm"; }
503	elsif ($CLI{'format'} =~ /csv/i) { $CLI{'format'} = "csv"; }
504	elsif ($CLI{'format'} =~ /nbe/i) { $CLI{'format'} = "nbe"; }
505	elsif ($CLI{'format'} =~ /xml/i) { $CLI{'format'} = "xml"; }
506	elsif ($CLI{'format'} eq 'none') { }
507	else { nprint("+ ERROR: Invalid output format"); exit; }
508
509	if ((defined $CLI{'file'}) && ($CLI{'format'} eq "")) {
510	nprint("+ERROR: Output file specified without a format");
511	exit;
512	}
513
514	# verify readable dtd
515	if ($CLI{'format'} eq 'xml' && !-r $NIKTOCONFIG{'NIKTODTD'}) {
516	nprint("+ ERROR: reading DTD");
517	exit;
518	}
519
520	# screen output
521	if (defined $CLI{'display'}) {
522	if ($CLI{'display'} =~ /d/i) { $OUTPUT{'debug'} = 1; }
523	if ($CLI{'display'} =~ /v/i) { $OUTPUT{'verbose'} = 1; }
524	if ($CLI{'display'} =~ /s/i) { $OUTPUT{'scrub'} = 1; }
525	if ($CLI{'display'} =~ /e/i) { $OUTPUT{'errors'} = 1; }
526	if ($CLI{'display'} =~ /p/i) { $OUTPUT{'percent'} = 1; }
527	}
528
529	# port(s)
530	if (defined $CLI{'ports'}) {
531	$CLI{'ports'} =~ s/^\s+//;
532	$CLI{'ports'} =~ s/\s+$//;
533	if ($CLI{'ports'} =~ /[^0-9\-\, ]/) {
534	nprint("+ ERROR: Invalid port option '$CLI{'ports'}'");
535	exit;
536	}
537	}
538
539	# Fixup
540	if (defined $CLI{'root'}) {
541	$CLI{'root'} =~ s/\/$//;
542	if (($CLI{'root'} !~ /^\//) && ($CLI{'root'} ne "")) { $CLI{'root'} = "/$CLI{'root'}"; }
543	}
544
545	if (defined $CLI{'hostauth'}) {
546	my @x = split(/:/, $CLI{'hostauth'});
547	if (($#x > 2) \|\| ($x[0] eq "")) {
548	nprint(
549	"+ ERROR: \'$CLI{'hostauth'}\' (-i option) syntax is 'user:password' or 'user:password:domain' for host authentication."
550	);
551	exit;
552	}
553	}
554
555	if (defined $CLI{'evasion'}) {
556	$CLI{'evasion'} =~ s/[^1-8AB]//g;
557	}
558
559	if (!defined $CLI{'plugins'} \|\| $CLI{'plugins'} eq "") {
560	$CLI{'plugins'} = '@@DEFAULT';
561	}
562
563	# Mapping for mutate for plugins
564	if (defined $CLI{'mutate'}) {
565	nprint("- Mutate is deprecated, use -Plugins instead");
566	if ($CLI{'mutate'} =~ /1/ \|\| $CLI{'mutate'} =~ /2/) {
567	my $parameters;
568	$parameters = "passfiles" if ($CLI{'mutate'} =~ /2/);
569	$parameters .= ",all" if ($CLI{'mutate'} =~ /1/);
570	$CLI{'plugins'} .= ';tests(' . $parameters . ')';
571	}
572	if ($CLI{'mutate'} =~ /3/ \|\| $CLI{'mutate'} =~ /4/) {
573	my $parameters;
574	$parameters = "enumerate";
575	$parameters .= ",home" if ($CLI{'mutate'} =~ /3/);
576	$parameters .= ",cgiwrap" if ($CLI{'mutate'} =~ /4/);
577	$parameters .= ",dictionary:" . $CLI{'mutate-opts'} if (defined $CLI{'mutate-opts'});
578	$CLI{'plugins'} .= ';apacheusers(' . $parameters . ')';
579	}
580	if ($CLI{'mutate'} =~ /5/) {
581	$CLI{'plugins'} .= ";subdomain";
582	}
583	if ($CLI{'mutate'} =~ /6/) {
584	$CLI{'plugins'} .= ';dictionary(dictionary:' . $CLI{'mutate-opts'} . ')';
585	}
586	}
587
588	# Asking questions?
589	if ($CLI{'ask'} =~ /^(auto\|yes\|no)$/) {
590	$NIKTOCONFIG{'UPDATES'} = $CLI{'ask'}; # override nikto.conf setting
591	undef($CLI{'ask'});
592	}
593
594	$NIKTO{'timeout'} = $CLI{'timeout'} \|\| 10;
595
596	# Set up User-Agent
597	$NIKTO{'useragent'} = $NIKTOCONFIG{'USERAGENT'};
598	$NIKTO{'useragent'} =~ s/\@VERSION/$NIKTO{'version'}/g;
599	my $ev = $CLI{'evasion'} \|\| "None";
600	$NIKTO{'useragent'} =~ s/\@EVASIONS/$ev/g;
601
602	# RFI URL -- push it to VARIABLES
603	if (defined $NIKTOCONFIG{'RFIURL'}) {
604	$VARIABLES{'@RFIURL'} = $NIKTOCONFIG{'RFIURL'};
605	}
606	else {
607	nprint(
608	"- *** RFIURL is not defined in nikto.conf, which means no RFI tests will run ***");
609	}
610
611	# SSL Test
612	if (!LW2::ssl_is_available()) {
613	nprint("- *** SSL support not available (see docs for SSL install instructions) ***");
614	}
615
616	# Notices
617	my $notice = "";
618	if (defined $CLI{'root'}) { $notice .= "Prepending \'$CLI{'root'}\' to requests"; }
619	if ($CLI{'pause'} > 0) { $notice .= ", Pausing $CLI{'pause'} seconds per request"; }
620	$notice =~ s/^, //;
621	if ($notice ne '') { nprint("-*** $notice ***"); }
622
623	# get core version
624	open(FI, "<$NIKTOCONFIG{PLUGINDIR}/nikto_core.plugin");
625	my @F = <FI>;
626	close(FI);
627	my @VERS = grep(/^#VERSION/, @F);
628	$NIKTO{'core_version'} = $VERS[0];
629	$NIKTO{'core_version'} =~ s/\#VERSION,//;
630	chomp($NIKTO{'core_version'});
631	$NIKTO{'TMPL_HCTR'} = 0;
632	$NIKTO{'TMPL_SUMMARY'} = 0;
633
634	return;
635	}
636
637	###############################################################################
638	sub resolve {
639	my $ident = $_[0] \|\| return;
640	my ($name, $ip, $dn) = "";
641
642	# ident is name, lookup IP
643	if ($ident =~ /[^0-9\.]/) # not an IP, assume name
644	{
645	if ($CLI{'skiplookup'}) {
646	print("+ ERROR: -skiplookup set, but given name\n");
647	exit;
648	}
649	$ip = gethostbyname($ident);
650	if ( ($ip eq "")
651	&& ($request{'whisker'}->{'proxy_host'} ne "")
652	) # can't resolve name to IP, but using proxy
653	{
654	$name = $ident;
655	$ip = $name;
656	}
657	elsif (($ip eq "")
658	&& ($request{'whisker'}->{'proxy_host'} eq "")) # can't resolve name to IP, no proxy set
659	{
660	nprint("+ ERROR: Cannot resolve hostname '$ident'\n");
661	return;
662	}
663	else {
664	use IO::Socket;
665	$ip = inet_ntoa($ip);
666	if ( ($ip !~ /^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$/)
667	&& ($ip ne "")) # trap for proxy...
668	{
669	nprint("+ ERROR: Invalid IP '$ip'\n\n");
670	return;
671	}
672	$name = $ident;
673	}
674	}
675	else # ident is IP, lookup name
676	{
677	if ( ($ident !~ /^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$/)
678	&& ($ident ne "")) # trap for proxy...
679	{
680	nprint("+ ERROR: Invalid IP '$ident'\n\n");
681	return;
682	}
683
684	$ip = $ident;
685	if (!$CLI{'skiplookup'}) {
686	use IO::Socket;
687	my $temp_ip = inet_aton($ip);
688	$name = gethostbyaddr($temp_ip, AF_INET);
689
690	# check reverse dns to avoid an inet_aton error
691	my $rdnsip = gethostbyname($name);
692	if ($rdnsip ne "") {
693	$rdnsip = inet_ntoa($rdnsip);
694	if ($ip ne $rdnsip) { $name = $ip; } # Reverse DNS does not match
695	}
696	else { $name = $ip; } # Reverse DNS does not exist
697	}
698	if ($name eq "") { $name = $ip; }
699	}
700
701	# set displayname -- name takes precedence
702	if ($name ne "") { $dn = $name; }
703	else { $dn = $ip; }
704
705	return $name, $ip, $dn;
706	}
707
708	###############################################################################
709	sub set_targets {
710	my ($hostlist, $portlist, $ssl, $root) = @_;
711	my $host_ctr = 1;
712	my @hosts = split(/,/, $hostlist);
713	my @ports = split(/,/, $portlist) if defined $portlist;
714	my (@checkhosts, @results, @marks);
715	my $defaultport = ($ssl) ? 443 : 80;
716
717	# Check for old style portlist and expand
718	my @newports;
719	foreach my $port (@ports) {
720	if ($port =~ /-/) {
721	my ($start, $end);
722	my @temp = split(/-/, $port);
723	$start = $temp[0];
724	$end = $temp[1];
725	if ($start eq "") { $start = 0; }
726	if ($end eq "") { $end = 65535; }
727	if ($start > $end) {
728	nprint("+ ERROR port range $port doesn't make sense - assuming 80/tcp");
729	next;
730	}
731	for (my $i = $start ; $i <= $end ; $i++) {
732	push(@newports, $i);
733	}
734	}
735	else {
736	push(@newports, $port);
737	}
738	}
739	@ports = @newports;
740
741	nprint("- Getting targets", "v");
742	if (scalar(@ports) == 1) {
743
744	# Only one port is set, assume that is the default port
745	$defaultport = $ports[0];
746	}
747
748	# check whether it's a file or an entry
749	foreach my $host (@hosts) {
750	if (-e $host \|\| $host eq "-") {
751	@results = parse_hostfile($host);
752	push(@checkhosts, @results);
753	}
754	else {
755	push(@checkhosts, $host);
756	}
757	}
758
759	# Now parse the list of checkhosts
760	foreach my $host (@checkhosts) {
761	my $defhost;
762	my $defport;
763	$host =~ s/\s+//g;
764	if (!defined $host) { next; }
765
766	# is it a URL?
767	if ($host =~ /^https?:\/\//) {
768	my @hostdata = LW2::uri_split($host);
769
770	$defhost = $hostdata[2];
771	$defport = $hostdata[3];
772
773	if ((!defined $root) && (defined $hostdata[0])) {
774	$root = $hostdata[0];
775	nprint("- Added -root value of '$root'", "d");
776	}
777	}
778	else {
779	my @h = split(/\:\|\,/, $host);
780
781	$defhost = $h[0];
782	$defport = $h[1];
783	}
784
785	# Now skip through all ports if port hasn't been added
786	if ($defport eq "" && scalar(@ports) > 0) {
787
788	foreach $port (@ports) {
789	my $markhash = {};
790	$markhash->{ident} = $defhost;
791	$markhash->{port} = $port;
792	nprint("- Target:$markhash->{ident} port:$markhash->{port}", "v", $markhash);
793	push(@marks, $markhash);
794	}
795	}
796	else {
797	if ($defport eq "") {
798	$defport = $defaultport;
799	}
800	my $markhash = {};
801	$markhash->{ident} = $defhost;
802	$markhash->{port} = $defport;
803
804	nprint("- Target:$markhash->{ident} port:$markhash->{port}", "v", $markhash);
805	push(@marks, $markhash);
806	}
807	}
808
809	return @marks;
810	}
811
812	###############################################################################
813	sub parse_hostfile {
814	my ($file) = @_;
815	my $nmap = 0;
816	my (@results, $hostdesc);
817
818	open(IN, $file) \|\| die print STDERR "+ ERROR: Cannot open '$file':$@\n";
819	while (<IN>) {
820	my $found = 0;
821
822	# Check whether this is an nmap oG file
823	chomp;
824	if (/^# Nmap [0-9.]* scan initiated/) {
825	$nmap = 1;
826	}
827	s/\#.*$//;
828	if ($_ eq "") { next; }
829
830	# Parse for nmap files
831	if ($nmap == 1) {
832
833	# First get the host name
834	my @line = split(/ /);
835	my @name = split(/\(\|\)/, $line[2]);
836	$hostdesc = ($name[1] ne "") ? $name[1] : $line[1];
837
838	# now parse the ports list
839	for (my $i = 3 ; $i <= $#line ; $i++) {
840	my @ports = split(/\//, $line[$i]);
841	if ($ports[1] eq "open" && $ports[4] eq "http") {
842	$found = 1;
843	$hostdesc .= ":" . $ports[0];
844	}
845	}
846	}
847	else {
848
849	# just add it to the list
850	$hostdesc = $_;
851	$found = 1;
852	}
853	push(@results, $hostdesc) if ($found);
854	}
855	close(IN);
856	return (@results);
857	}
858
859	###############################################################################
860	sub load_databases {
861	my @dbs = qw/db_404_strings db_outdated db_realms db_tests db_variables db_content_search/;
862	my $prefix = $_[0];
863
864	unless (defined $prefix) {
865	$prefix = "";
866	}
867
868	# verify required files
869	for my $file (@dbs) {
870	if (!-r "$NIKTOCONFIG{PLUGINDIR}/$file") {
871	die nprint("+ ERROR: Can't find/read required file \"$NIKTOCONFIG{PLUGINDIR}/$file\"");
872	}
873	}
874
875	for my $file (@dbs) {
876	my $filename = $NIKTOCONFIG{PLUGINDIR} . "/" . $prefix . $file;
877	if (!-r $filename) { next; }
878	open(IN, "<$filename") \|\| die nprint("+ ERROR: Can't open \"$filename\":$!\n");
879
880	# db_tests
881	if ($file eq 'db_tests') { push(@DBFILE, <IN>); next; }
882
883	# all the other files require per-line processing
884	else {
885	my @file;
886
887	# Cleanup
888	while (<IN>) {
889	chomp;
890	$_ =~ s/#.*$//;
891	$_ =~ s/\s+$//;
892	$_ =~ s/^\s+//;
893	if ($_ ne "") { push(@file, $_); }
894	}
895
896	# db_variables
897	if ($file eq 'db_variables') {
898	foreach my $l (@file) {
899	if ($l =~ /^@/) {
900	my @temp = split(/=/, $l);
901	$VARIABLES{ $temp[0] } .= "$temp[1]";
902	}
903	}
904	}
905
906	# db_404_strings
907	elsif ($file eq 'db_404_strings') {
908	foreach my $l (@file) {
909	$ERRSTRINGS{$l} = 1;
910	}
911	}
912
913	# db_content_search
914	elsif ($file eq 'db_content_search') {
915	foreach my $l (@file) {
916	my @T = parse_csv($l);
917	$CONTENTSEARCH{ $T[0] }{'osvdb'} = $T[1];
918	$CONTENTSEARCH{ $T[0] }{'string'} = $T[2];
919	$CONTENTSEARCH{ $T[0] }{'message'} = $T[3];
920	}
921	}
922
923	# db_outdated
924	elsif ($file eq 'db_outdated') {
925	foreach my $l (@file) {
926	my @T = parse_csv($l);
927	$OVERS{ $T[1] }{ $T[2] } = $T[3];
928	$OVERS{ $T[1] }{'tid'} = $T[0];
929	}
930	}
931
932	# db_realms
933	elsif ($file eq 'db_realms') {
934	my $db_realms_ctr = keys %REALMS;
935	foreach my $l (@file) {
936	my @t = parse_csv($l);
937	$REALMS{$db_realms_ctr}{'tid'} = $t[0];
938	$REALMS{$db_realms_ctr}{'realm'} = $t[1];
939	$REALMS{$db_realms_ctr}{'id'} = $t[2];
940	$REALMS{$db_realms_ctr}{'pw'} = $t[3];
941	$REALMS{$db_realms_ctr}{'msg'} = $t[4];
942	$db_realms_ctr++;
943	}
944
945	# Cheat and add CLI directly to REALMS
946	if (defined $CLI{'hostauth'}) {
947	my @x = split(/:/, $CLI{'hostauth'});
948
949	$REALMS{$db_realms_ctr}{'tid'} = "700500";
950	$REALMS{$db_realms_ctr}{'realm'} = (defined $x[2]) ? $x[2] : '@ANY';
951	$REALMS{$db_realms_ctr}{'pw'} = $x[1];
952	$REALMS{$db_realms_ctr}{'id'} = $x[0];
953	$REALMS{$db_realms_ctr}{'msg'} = "Credentials provided by CLI.";
954	}
955	}
956
957	close(IN);
958	}
959	}
960
961	return;
962	}
963
964	###############################################################################
965	sub dbcheck {
966	my @dbs =
967	qw/db_headers db_httpoptions db_multiple_index db_server_msgs db_subdomains db_favicon db_embedded db_404_strings db_outdated db_realms db_tests db_variables db_content_search/;
968	my $prefix = $_[0];
969	if ($prefix eq "") { nprint "\n-->\tNikto Databases\n"; }
970	if ($prefix eq "u") { nprint "\n-->\tUser Databases\n"; }
971
972	for my $file (@dbs) {
973	my $filename = $NIKTOCONFIG{PLUGINDIR} . "/" . $prefix . $file;
974	if (!-r $filename) { next; }
975	open(IN, "<$filename") \|\| die nprint("+ ERROR: Can't open \"$filename\":$!\n");
976	nprint "Syntax Check: $filename\n";
977
978	if ($file eq 'db_outdated') {
979	foreach $line (<IN>) {
980	$line =~ s/^\s+//;
981	if ($line =~ /^\#/) { next; }
982	chomp($line);
983	if ($line eq "") { next; }
984	my @L = parse_csv($line);
985	if ($#L ne 3) { print STDERR "\t+ ERROR: Invalid syntax ($#L): $line\n"; next; }
986	$ENTRIES{"$L[0]"}++;
987	}
988	foreach $entry (keys %ENTRIES) {
989	if ($ENTRIES{$entry} > 1) {
990	print STDERR "\t+ ERROR: Duplicate ($ENTRIES{$entry}): $entry\n";
991	}
992	}
993	nprint "\t" . keys(%ENTRIES) . " entries\n";
994	}
995	elsif ($file eq 'db_tests') {
996	my %ENTRIES;
997	foreach my $line (<IN>) {
998	if ($line !~ /^\"/) { next; }
999	my @L = parse_csv($line);
1000	if ($L[4] !~ /(GET\|POST\|TRACE\|TRACK\|OPTIONS\|SEARCH\|INDEX)/i) {
1001	print STDERR "\t+ ERROR: Possibly invalid method: $L[4] on ($line)\n";
1002	}
1003	if ($L[5] eq "") { print STDERR "\t+ ERROR: blank conditional: $line"; next; }
1004	if ($line !~ /^\".\",\".\",\".\",\".\",\".*\"/) {
1005	print STDERR "\t+ ERROR: Invalid syntax ($#L): $line\n";
1006	next;
1007	}
1008	if ($line !~ /^(\".\",){11}\".\"/) {
1009	print STDERR "\t+ ERROR: Invalid syntax ($#L): $line\n";
1010	next;
1011	}
1012	if (($L[3] =~ /^\@CG/) && ($L[3] !~ /^\@CGIDIRS/)) {
1013	print STDERR "\t+ ERROR: Possible \@CGIDIRS misspelling: $line";
1014	}
1015	if ($L[1] =~ /[^0-9]/) { print STDERR "\t+ ERROR: Invalid OSVDB ID: $line"; }
1016	$ENTRIES{"$L[3],$L[4],$L[5],$L[6],$L[7],$L[8],$L[9],$L[11],$L[12]"}++;
1017	if ((count_fields($line, 1) ne 12) && (count_fields($line) ne '')) {
1018	print STDERR "\t+ ERROR: Invalid syntax: $line\n";
1019	}
1020	}
1021	foreach $entry (keys %ENTRIES) {
1022	if ($ENTRIES{$entry} > 1) {
1023	print STDERR "\t+ ERROR: Duplicate ($ENTRIES{$entry}): $entry\n";
1024	}
1025	}
1026	nprint "\t" . keys(%ENTRIES) . " entries\n";
1027	}
1028	elsif ($file eq 'db_variables') {
1029	my $ctr = 0;
1030	foreach $line (<IN>) {
1031	if ($line !~ /^\@/) { next; }
1032	if ($line !~ /^\@.+\=.+$/i) { print STDERR "\t+ ERROR: Invalid syntax: $line\n"; }
1033	$ctr++;
1034	}
1035	nprint "\t$ctr entries\n";
1036	}
1037	elsif ($file eq 'db_realms') {
1038	my $ctr = 0;
1039	foreach $line (<IN>) {
1040	if ((count_fields($line, 1) ne 4) && (count_fields($line) ne '')) {
1041	print STDERR "\t+ ERROR: Invalid syntax: $line";
1042	}
1043	$ctr++;
1044	}
1045	nprint "\t$ctr entries\n";
1046	}
1047	elsif ($file eq 'db_404_strings') {
1048	my $ctr = 0;
1049	foreach $line (<IN>) {
1050
1051	# not really any syntax to check
1052	$ctr++;
1053	}
1054	nprint "\t$ctr entries\n";
1055	}
1056	elsif ($file eq 'db_headers') {
1057	my $ctr = 0;
1058	foreach $line (<IN>) {
1059	if ((count_fields($line) ne 0) && (count_fields($line) ne '')) {
1060	print STDERR "\t+ ERROR: Invalid syntax: $line";
1061	}
1062	$ctr++;
1063	}
1064	nprint "\t$ctr entries\n";
1065	}
1066	elsif ($file eq 'db_multiple_index') {
1067	my $ctr = 0;
1068	foreach $line (<IN>) {
1069	if ((count_fields($line) ne 0) && (count_fields($line) ne '')) {
1070	print STDERR "\t+ ERROR: Invalid syntax: $line";
1071	}
1072	$ctr++;
1073	}
1074	nprint "\t$ctr entries\n";
1075	}
1076	else {
1077
1078	# It's a file of standard DB type, we can do this intelligently
1079	my @headers;
1080	my $ctr = 0, $fields = 0;
1081	foreach $line (<IN>) {
1082
1083	# first, grab the headers
1084	if ($fields == 0) {
1085	$line =~ s/\#.*//;
1086	next if ($line eq "");
1087	@headers = parse_csv($line);
1088	$fields = $#headers;
1089	next;
1090	}
1091	if ( (count_fields($line, 1) != $fields - 1)
1092	&& (count_fields($line) ne '')) {
1093	print STDERR "\t+ ERROR: Invalid syntax: $line";
1094	}
1095	$ctr++;
1096	}
1097	nprint "\t$ctr entries\n";
1098	}
1099
1100	close(IN);
1101	}
1102
1103	if ($_[0] eq "") { dbcheck('u'); } # do this once
1104
1105	nprint "\n";
1106	exit;
1107	}
1108
1109	###############################################################################
1110	sub count_fields {
1111	my $line = $_[0] \|\| return;
1112	my $checkid = $_[1] \|\| 0;
1113	if ($line !~ /^\"/) { return; }
1114	chomp($line);
1115	$line =~ s/\s+$//;
1116	if ($line eq '') { return; }
1117	my @L = parse_csv($line);
1118	if ($checkid && ($L[0] ne 'nikto_id') && (($L[0] =~ /[^0-9]/) \|\| ($L[0] eq ''))) { return -1; }
1119	return $#L;
1120	}
1121
1122	###############################################################################
1123	sub port_check {
1124	my ($hostname, $ip, $port) = @_;
1125	my (%headers);
1126	my $m = {};
1127
1128	# Check SKIPPORTS
1129	if ($NIKTOCONFIG{'SKIPPORTS'} =~ /\b$port\b/) {
1130	nprint("+ ERROR: SKIPPORTS (nikto.conf) contains $port -- not checking");
1131	return 0;
1132	}
1133
1134	$m->{hostname} = $hostname;
1135	$m->{ip} = $ip;
1136	$m->{port} = $port;
1137	$m->{ssl} = 0;
1138
1139	my @checktypes = ('HTTP', 'HTTPS');
1140	if ($CLI{'ssl'}) { shift(@checktypes); }
1141	if ($CLI{'nossl'}) { pop(@checktypes); }
1142
1143	foreach my $method (split(/ /, $NIKTOCONFIG{'CHECKMETHODS'})) {
1144	$request{'whisker'}->{'method'} = $method;
1145	foreach my $checkssl (@checktypes) {
1146	nprint("- Checking for $checkssl on port $ip:$port, using $method", "v", $m);
1147	$m->{ssl} = ($checkssl eq "HTTP") ? 0 : 1;
1148	proxy_check($m);
1149	my ($res, $content) = nfetch($m, "/", $method, "", \%headers, { noerror => 1 }, "Port Check");
1150
1151	if ($res) {
1152
1153	# this will fix for some Apaches that are smart enough to answer non ssl reqs on an ssl server
1154	if (defined $content
1155	&& $content =~ /speaking plain HTTP to an SSL/) {
1156	dump_var("Result Hash", \%result);
1157	next;
1158	}
1159	nprint("- $checkssl Server found: $ip:$port \t$headers{server}", "d", $m);
1160	return $m->{ssl} + 1;
1161	}
1162	}
1163	}
1164
1165	nprint("+ No web server found on $ip:$port");
1166	nprint("---------------------------------------------------------------------------");
1167
1168	return 0;
1169	}
1170
1171	###############################################################################
1172	sub load_plugins {
1173	my @pluginlist = dirlist("$NIKTOCONFIG{PLUGINDIR}", '\.plugin$');
1174	my @all_names;
1175
1176	# populate plugin macros
1177	$NIKTOCONFIG{'@@NONE'} = "";
1178
1179	# Check if running plugins is NONE - if so, don't bother initalising
1180	# plugins
1181	if ($CLI{'plugins'} eq '@@NONE') {
1182	return;
1183	}
1184
1185	foreach my $plugin (@pluginlist) {
1186	my $plugin_name = $plugin;
1187	$plugin_name =~ s/\.plugin$//;
1188	my $plugin_init = $plugin_name . "_init";
1189	eval { require "$NIKTOCONFIG{PLUGINDIR}/$plugin"; };
1190	if ($@) {
1191	nprint("- Could not load or parse plugin: $plugin_name\n Error: ");
1192	warn $@;
1193	nprint("- The plugin could not be run.");
1194	}
1195	else {
1196	nprint("- Initialising plugin $plugin_name", "v");
1197
1198	# Call initialisation method
1199	if (defined &$plugin_init) {
1200	my $pluginhash = &$plugin_init;
1201
1202	# Add default weights if not already assigned
1203	$pluginhash->{recon_weight} = 50 unless (defined $pluginhash->{recon_weight});
1204	$pluginhash->{scan_weight} = 50 unless (defined $pluginhash->{scan_weight});
1205	$pluginhash->{report_weight} = 50 unless (defined $pluginhash->{report_weight});
1206	$pluginhash->{postfetch_weight} = 50
1207	unless (defined $pluginhash->{postfetch_weight});
1208	$pluginhash->{postfetch_weight} = 50
1209	unless (defined $pluginhash->{postfetch_weight});
1210	push(@all_names, $pluginhash->{name});
1211
1212	push(@PLUGINS, $pluginhash);
1213	nprint("- Loaded \"$pluginhash->{full_name}\" plugin.", "v");
1214	}
1215	}
1216	}
1217	$NIKTOCONFIG{'@@ALL'} = join(';', @all_names);
1218	my @torun = split(/;/, expand_pluginlist($CLI{'plugins'}, 0));
1219
1220	# Second pass to ensure that @@ALL is configured
1221	foreach my $plugin (@PLUGINS) {
1222
1223	# Check that the plugin is to be run
1224	# Perl doesn't allow us to use "in", pity
1225	foreach my $torun_plugin (@torun) {
1226
1227	# split up into parameters
1228	my $name = my $suffix = $torun_plugin;
1229	if ($torun_plugin =~ /\(/) {
1230	$name =~ s/(.)(\(.\))/$1/;
1231	$suffix =~ s/(.)(\(.\))/$2/;
1232	}
1233	else {
1234	$name = $torun_plugin;
1235	$suffix = "";
1236	}
1237	if ($plugin->{'name'} =~ /$name/i) {
1238	$plugin->{'run'} = 1;
1239
1240	# Create parameters
1241	if ($suffix ne "") {
1242	my $parameters = {};
1243	$suffix =~ s/(\()(.*[^\)])(\)?)/$2/;
1244	foreach my $parameter (split(/,/, $suffix)) {
1245	if ($parameter !~ /:/) {
1246	$parameters->{$parameter} = 1;
1247	}
1248	else {
1249	my $key = my $value = $parameter;
1250	$key =~ s/:.*//;
1251	$value =~ s/.*://;
1252	$parameters->{$key} = $value;
1253	}
1254	}
1255	$plugin->{'parameters'} = $parameters;
1256	}
1257	}
1258	}
1259	}
1260
1261	# For speed in future, create a hash of active plugins ordered by plugin weight, for
1262	# each type of plugin
1263	my (@rplugins, @splugins, @repplugins, @pfplugins, @prefplugins);
1264	my (@rsorted, @ssorted, @repsorted, @pfsorted, @prefsorted);
1265	foreach my $plugin (@PLUGINS) {
1266	if ($plugin->{'run'} == 1) {
1267	if (defined $plugin->{recon_method}) {
1268	push(@rplugins, $plugin);
1269	}
1270	if (defined $plugin->{scan_method}) {
1271	push(@splugins, $plugin);
1272	}
1273	if (defined $plugin->{report_item}) {
1274	push(@repplugins, $plugin);
1275	}
1276	if (defined $plugin->{prefetch_method}) {
1277	push(@prefplugins, $plugin);
1278	}
1279	if (defined $plugin->{postfetch_method}) {
1280	push(@pfplugins, $plugin);
1281	}
1282	}
1283	}
1284
1285	# Now sort each array by weight
1286	@rsorted = sort { $a->{'weight'} <=> $b->{'weight'} } @rplugins;
1287	$PLUGINORDER{'recon'} = \@rsorted;
1288	@ssorted = sort { $a->{'weight'} <=> $b->{'weight'} } @splugins;
1289	$PLUGINORDER{'scan'} = \@ssorted;
1290	@repsorted = sort { $a->{'weight'} <=> $b->{'weight'} } @repplugins;
1291	$PLUGINORDER{'report'} = \@repsorted;
1292	@prefsorted = sort { $a->{'weight'} <=> $b->{'weight'} } @prefplugins;
1293	$PLUGINORDER{'prefetch'} = \@prefsorted;
1294	@pfsorted = sort { $a->{'weight'} <=> $b->{'weight'} } @pfplugins;
1295	$PLUGINORDER{'postfetch'} = \@pfsorted;
1296	}
1297
1298	###############################################################################
1299	sub run_hooks {
1300	my ($mark, $type, $request, $result) = @_;
1301
1302	foreach my $plugin (@{ $PLUGINORDER{$type} }) {
1303	my ($run) = 1;
1304
1305	# first check for conditionals
1306	my $condition = $plugin->{ $type . '_cond' };
1307	if (defined $plugin->{ $type . '_cond' }) {
1308
1309	# Evaluate condition
1310	$run = eval($condition);
1311	}
1312
1313	if (!$run) { next; }
1314
1315	my $oldverbose = $OUTPUT{'verbose'};
1316	my $olddebug = $OUTPUT{'debug'};
1317	my $olderrors = $OUTPUT{'errors'};
1318	nprint("- Running $type for \"$plugin->{full_name}\" plugin", "v")
1319	unless ($type eq "prefetch" \|\| $type eq "postfetch");
1320	if (defined $plugin->{'parameters'}->{'verbose'}
1321	&& $plugin->{'parameters'}->{'verbose'} == 1) {
1322	$OUTPUT{'verbose'} = 1;
1323	}
1324	if (defined $plugin->{'parameters'}->{'debug'}
1325	&& $plugin->{'parameters'}->{'debug'} == 1) {
1326	$OUTPUT{'debug'} = 1;
1327	}
1328	&{ $plugin->{ $type . '_method' } }($mark, $plugin->{'parameters'}, $request, $result);
1329	$OUTPUT{'verbose'} = $oldverbose;
1330	$OUTPUT{'debug'} = $olddebug;
1331	$OUTPUT{'errors'} = $olderrors;
1332	}
1333
1334	return $request, $result;
1335	}
1336
1337	###############################################################################
1338	sub report_head {
1339	my ($format, $file) = @_;
1340	nprint("- Opening reports", "v");
1341
1342	# For tuning set up a list of report methods, formats and handles
1343
1344	# This is a frig until I can think of a better way of achieving it
1345	foreach my $i (1 .. 100) {
1346	foreach my $plugin (@PLUGINS) {
1347	if ($plugin->{run} && defined $plugin->{report_item} && $plugin->{report_weight} == $i)
1348	{
1349	my $run = 1;
1350
1351	# first check for conditionals
1352	if (defined $plugin->{report_format}) {
1353
1354	# Evaluate condition
1355	$run = ($format eq $plugin->{report_format});
1356	}
1357	if ($run) {
1358	nprint("- Opening report for \"$plugin->{full_name}\" plugin", "v");
1359	my $handle;
1360	if (defined $plugin->{report_head}) {
1361	$handle = &{ $plugin->{report_head} }($file);
1362	}
1363
1364	# Now store this
1365	my $report_entry = { host_start => $plugin->{report_host_start},
1366	host_end => $plugin->{report_host_end},
1367	item => $plugin->{report_item},
1368	close => $plugin->{report_close},
1369	handle => $handle,
1370	};
1371	push(@REPORTS, $report_entry);
1372	}
1373	}
1374	}
1375	}
1376	return;
1377	}
1378
1379	###############################################################################
1380	sub report_host_start {
1381	my ($mark) = @_;
1382
1383	# Go through all reporting modules
1384	foreach my $reporter (@REPORTS) {
1385	if (defined $reporter->{host_start}) {
1386	&{ $reporter->{host_start} }($reporter->{handle}, $mark);
1387	}
1388	}
1389	}
1390
1391	###############################################################################
1392	sub report_host_end {
1393	my ($mark) = @_;
1394
1395	# Go through all reporting modules
1396	foreach my $reporter (@REPORTS) {
1397	if (defined $reporter->{host_end}) {
1398	&{ $reporter->{host_end} }($reporter->{handle}, $mark);
1399	}
1400	}
1401	}
1402
1403	###############################################################################
1404	sub report_item {
1405	my ($mark, $item) = @_;
1406
1407	# Go through all reporting modules
1408	foreach my $reporter (@REPORTS) {
1409	if (defined $reporter->{item}) {
1410	&{ $reporter->{item} }($reporter->{handle}, $mark, $item);
1411	}
1412	}
1413	}
1414
1415	###############################################################################
1416	sub report_close {
1417
1418	# Go through all reporting modules
1419	foreach my $reporter (@REPORTS) {
1420	if (defined $reporter->{close}) {
1421	&{ $reporter->{close} }($reporter->{handle});
1422	}
1423	}
1424	}
1425
1426	###############################################################################
1427	sub check_updates {
1428	LW2::http_init_request(\%request);
1429	my (%REMOTE, %LOCAL, @DBTOGET) = ();
1430	my ($pluginmsg, $remotemsg) = "";
1431	my $code_updates = 0;
1432	my $serverdir = "/nikto/UPDATES/$NIKTO{'version'}";
1433
1434	# set up our mark
1435	my %mark = ('ident' => 'www.cirt.net',
1436	'ssl' => 0,
1437	'port' => 80
1438	);
1439	($mark{'hostname'}, $mark{'ip'}, $mark{'display_name'}) = resolve('www.cirt.net');
1440
1441	for (my $i = 0 ; $i <= $#ARGV ; $i++) {
1442	if (($ARGV[$i] eq "-u") \|\| ($ARGV[$i] eq "-useproxy")) {
1443	$CLI{'useproxy'} = 1;
1444	last;
1445	}
1446	}
1447
1448	# retrieve versions file
1449	(my $RES, $CONTENT) = nfetch(\%mark, "$serverdir/versions.txt", "GET");
1450	if ($RES eq 407) {
1451	if ($NIKTOCONFIG{'PROXYUSER'} eq "") {
1452	$NIKTOCONFIG{'PROXYUSER'} = read_data("Proxy ID: ", "");
1453	$NIKTOCONFIG{'PROXYPASS'} = read_data("Proxy Pass: ", "noecho");
1454	}
1455
1456	# and try again
1457	($RES, $CONTENT) = nfetch(\%mark, "$serverdir/versions.txt", "GET");
1458	}
1459
1460	if ($RES eq "") {
1461	($RES, $CONTENT) = nfetch(\%mark, "$serverdir/versions.txt", "GET");
1462	}
1463
1464	if ($RES ne 200) {
1465	print STDERR
1466	"+ ERROR ($RES): Unable to get $request{'whisker'}->{'host'}$serverdir/versions.txt\n";
1467	exit;
1468	}
1469
1470	# make hash
1471	for (split(/\n/, $CONTENT)) {
1472	my @l = parse_csv($_);
1473	if ($_ =~ /^msg/) {
1474	$remotemsg = "$l[1]";
1475	next;
1476	}
1477	$REMOTE{ $l[0] } = $l[1];
1478	}
1479
1480	# get local versions of plugins/dbs
1481	my @NIKTOFILES = dirlist($NIKTOCONFIG{PLUGINDIR}, "");
1482
1483	foreach my $file (@NIKTOFILES) {
1484	my $v = "";
1485	open(LOCAL, "<$NIKTOCONFIG{PLUGINDIR}/$file")
1486	\|\| print STDERR "+ ERROR: Unable to open '$NIKTOCONFIG{PLUGINDIR}/$file' for read: $@\n";
1487	my @l = <LOCAL>;
1488	close(LOCAL);
1489
1490	my @VERS = grep(/^#VERSION/, @l);
1491	chomp($VERS[0]);
1492	$LOCAL{$file} = (parse_csv($VERS[0]))[1];
1493	}
1494
1495	# check main nikto versions
1496	foreach my $remotefile (keys %REMOTE) {
1497	my @l = split(/\./, $LOCAL{$remotefile});
1498	my @r = split(/\./, $REMOTE{$remotefile});
1499	my $update=0;
1500	if ($LOCAL{$remotefile} eq '') { $update=1; }
1501	elsif ($r[0] > $l[0]) { $update=1; }
1502	elsif ($r[1] > $l[1]) { $update=1; }
1503	elsif ($r[2] > $l[2]) { $update=1; }
1504
1505	if ($update) {
1506	if ($remotefile eq "nikto") {
1507	nprint "+ Nikto has been updated to $REMOTE{$remotefile}, local copy is $NIKTO{'version'}\n";
1508	nprint "+ No update has taken place. Please upgrade Nikto by visiting http://$server/\n";
1509	if ($remotemsg ne "") { nprint "+ $server message: $remotemsg\n"; }
1510	exit;
1511	}
1512	push(@DBTOGET, $remotefile);
1513	if ($remotefile !~ /^db_/) { $code_updates = 1; }
1514	}
1515	}
1516
1517	# replace local files if updated
1518	foreach my $toget (@DBTOGET) {
1519	nprint "+ Retrieving '$toget'\n";
1520	(my $RES, $CONTENT) = nfetch(\%mark, "$serverdir/$toget", "GET");
1521	if ($RES ne 200) {
1522	print STDERR "+ ERROR: Unable to get $server$serverdir/$toget\n";
1523	exit;
1524	}
1525	if ($CONTENT ne "") {
1526	open(OUT, ">$NIKTOCONFIG{PLUGINDIR}/$toget")
1527	\|\| die print STDERR
1528	"+ ERROR: Unable to open '$NIKTOCONFIG{PLUGINDIR}/$toget' for write: $@\n";
1529	print OUT $CONTENT;
1530	close(OUT);
1531	}
1532	}
1533
1534	# CHANGES file
1535	if ($code_updates) {
1536	nprint "+ Retrieving 'CHANGES.txt'\n";
1537	(my $RES, $CONTENT) = nfetch(\%mark, "$serverdir/CHANGES.txt", "GET");
1538	if (($CONTENT ne "") && ($RES eq 200)) {
1539	open(OUT, ">$NIKTOCONFIG{DOCUMENTDIR}/CHANGES.txt")
1540	\|\| die print STDERR
1541	"+ ERROR: Unable to open '$NIKTOCONFIG{DOCUMENTDIR}/CHANGES.txt' for write: $@\n";
1542	print OUT $CONTENT;
1543	close(OUT);
1544	}
1545	}
1546
1547	if ($#DBTOGET < 0) { nprint "+ No updates required.\n"; }
1548	if ($remotemsg ne "") { nprint "+ $server message: $remotemsg\n"; }
1549	exit;
1550	}
1551
1552	###############################################################################
1553	# read_data ( prompt, mode )
1554	# read STDIN data from the user
1555	# portions of this (POSIX code) were taken from the
1556	# Term::ReadPassword module by Tom Phoenix <rootbeer@redcat.com> (many thanks).
1557	# it has been modified to not require Term::ReadLine, but still requires
1558	# POSIX::Termios of it's a POSIX machine
1559	###############################################################################
1560	sub read_data {
1561	if ($NIKTOCONFIG{PROMPTS} =~ /no/i) { return; }
1562	my ($prompt, $mode, $POSIX) = @_;
1563	my $input = "";
1564
1565	if ($^O =~ /Win32/) { $POSIX = 0; }
1566	else { $POSIX = 1; }
1567
1568	my %SPECIAL = ("\x03" => 'INT', # Control-C, Interrupt
1569	"\x08" => 'DEL', # Backspace
1570	"\x7f" => 'DEL', # Delete
1571	"\x0d" => 'ENT', # CR, Enter
1572	"\x0a" => 'ENT', # LF, Enter
1573	);
1574
1575	# if we're on a non-POSIX machine we can't not-echo the
1576	# characters, so just use getc to avoid the dependency on
1577	# POSIX::Termios. We would be best to get rid of this
1578	# entirely and use another way...
1579
1580	if ($POSIX) {
1581	local (TTY, TTYOUT);
1582	open TTY, "<&STDIN" or return;
1583	open TTYOUT, ">>&STDOUT" or return;
1584
1585	# Don't buffer it!
1586	select((select(TTYOUT), $\| = 1)[0]);
1587	print TTYOUT $prompt;
1588
1589	# Remember where everything was
1590	my $fd_tty = fileno(TTY);
1591	my $term = POSIX::Termios->new();
1592	$term->getattr($fd_tty);
1593	my $original_flags = $term->getlflag();
1594
1595	if ($mode eq "noecho") {
1596	my $new_flags = $original_flags & ~(ISIG \| ECHO \| ICANON);
1597	$term->setlflag($new_flags);
1598	}
1599	$term->setattr($fd_tty, TCSAFLUSH);
1600	KEYSTROKE:
1601	while (1) {
1602	my $new_keys = '';
1603	my $count = sysread(TTY, $new_keys, 99);
1604	if ($count) {
1605	for my $new_key (split //, $new_keys) {
1606	if (my $meaning = $SPECIAL{$new_key}) {
1607	if ($meaning eq 'ENT') { last KEYSTROKE; }
1608	elsif ($meaning eq 'DEL') { chop $input; }
1609	elsif ($meaning eq 'INT') { last KEYSTROKE; }
1610	else { $input .= $new_key; }
1611	}
1612	else { $input .= $new_key; }
1613	}
1614	}
1615	else { last KEYSTROKE; }
1616	}
1617
1618	# Done with waiting for input. Let's not leave the cursor sitting
1619	# there, after the prompt.
1620	print TTY "\n";
1621	nprint "\n";
1622
1623	# Let's put everything back where we found it.
1624	$term->setlflag($original_flags);
1625	$term->setattr($fd_tty, TCSAFLUSH);
1626	close(TTY);
1627	close(TTYOUT);
1628	}
1629	else # non-POSIX
1630	{
1631	print $prompt;
1632	$input = <STDIN>;
1633	chomp($input);
1634	}
1635
1636	return $input;
1637	}
1638
1639	###############################################################################
1640	sub proxy_setup {
1641	if (!$CLI{'useproxy'}) { return; }
1642
1643	# HTTP proxy
1644	$request{'whisker'}->{'proxy_host'} = $NIKTOCONFIG{PROXYHOST};
1645	$request{'whisker'}->{'proxy_port'} = $NIKTOCONFIG{PROXYPORT};
1646
1647	return;
1648	}
1649
1650	###############################################################################
1651	sub proxy_check {
1652	my ($mark) = @_;
1653
1654	if (defined $request{'whisker'}->{'proxy_host'} && $CLI{'useproxy'}) # proxy is set up
1655	{
1656	LW2::http_close(\%request); # force-close any old connections
1657	setup_hash(\%request, $mark, "Proxy Check");
1658	$request{'whisker'}->{'method'} = "GET";
1659	$request{'whisker'}->{'uri'} = "/";
1660
1661	LW2::http_fixup_request(\%request);
1662
1663	if ($CLI{'pause'} > 0) { sleep $CLI{'pause'}; }
1664	LW2::http_do_request_timeout(\%request, \%result);
1665	$NIKTO{'totalrequests'}++;
1666	dump_var("Request Hash", \%request);
1667	dump_var("Result Hash", \%result);
1668
1669	# First check that we can connect to the proxy
1670	if (exists $result{'whisker'}{'error'}) {
1671	if ($result{'whisker'}{'error'} =~ /Transport endpoint is not connected/) {
1672	nprint("+ ERROR: Could not connect to the defined proxy $NIKTOCONFIG{PROXYHOST}");
1673	exit 1;
1674	}
1675	nprint("+ ERROR: Proxy error: $result{'whisker'}{'error'}", "v");
1676	}
1677	if ($result{'whisker'}{'code'} eq "407") # proxy requires auth
1678	{
1679
1680	# have id/pw?
1681	if ($NIKTOCONFIG{PROXYUSER} eq "") {
1682	$NIKTOCONFIG{PROXYUSER} = read_data("Proxy ID: ", "");
1683	$NIKTOCONFIG{PROXYPASS} = read_data("Proxy Pass: ", "noecho");
1684	}
1685	if ($result{'proxy-authenticate'} !~ /Basic/i) {
1686	my @x = split(/ /, $result{'proxy-authenticate'});
1687	nprint(
1688	"+ Proxy server uses '$x[0]' rather than 'Basic' authentication. $NIKTO{'name'} $NIKTO{'version'} can't do that."
1689	);
1690	exit;
1691	}
1692
1693	# test it...
1694	LW2::http_close(\%request); # force-close any old connections
1695	LW2::auth_set("proxy-basic", \%request, $NIKTOCONFIG{PROXYUSER},
1696	$NIKTOCONFIG{PROXYPASS}); # set auth
1697	LW2::http_fixup_request(\%request);
1698	if ($CLI{'pause'} > 0) { sleep $CLI{'pause'}; }
1699	LW2::http_do_request_timeout(\%request, \%result);
1700	$NIKTO{'totalrequests'}++;
1701	dump_var("Request Hash", \%request);
1702	dump_var("Result Hash", \%result);
1703
1704	if ($result{'proxy-authenticate'} ne "") {
1705	my @pauthinfo = split(/ /, $result{'proxy-authenticate'});
1706	my @pauthinfo2 = split(/=/, $result{'proxy-authenticate'});
1707	$pauthinfo2[1] =~ s/^\"//;
1708	$pauthinfo2[1] =~ s/\"$//;
1709	nprint(
1710	"+ Proxy requires authentication for '$pauthinfo[0]' realm '$pauthinfo2[1]', unable to authenticate."
1711	);
1712	exit;
1713	}
1714	else { nprint("- Successfully authenticated to proxy.", "v"); }
1715	}
1716	}
1717
1718	return;
1719	}
1720
1721	###############################################################################
1722	sub dirlist {
1723	my $DIR = $_[0] \|\| return;
1724	my $PATTERN = $_[1] \|\| "";
1725	my @FILES_TMP = ();
1726
1727	opendir(DIRECTORY, $DIR) \|\| die print STDERR "+ ERROR: Can't open directory '$DIR': $@";
1728	foreach my $file (readdir(DIRECTORY)) {
1729	if ($file =~ /^\./) { next; } # skip hidden files, '.' and '..'
1730	if ($PATTERN ne "") {
1731	if ($file =~ /$PATTERN/) { push(@FILES_TMP, $file); }
1732	}
1733	else { push(@FILES_TMP, $file); }
1734	}
1735	closedir(DIRECTORY);
1736
1737	return @FILES_TMP;
1738	}
1739
1740	#######################################################################
1741	sub dump_var {
1742	return if !$OUTPUT{'debug'};
1743	my $msg = $_[0];
1744	my %hash_in = %{ $_[1] };
1745
1746	my $display = LW2::dump('', \%hash_in);
1747	$display =~ s/^\$/'$msg'/;
1748	if ($OUTPUT{'scrub'}) {
1749	$display =~ s/'host' => '.*',/'host' => 'example.com',/g;
1750	$display =~ s/'Host' => '.*'/'host' => 'example.com'/g;
1751	}
1752	nprint($display, "d");
1753	return;
1754	}
1755
1756	######################################################################
1757	sub content_present {
1758	my $result = FALSE;
1759	my $res = $_[0];
1760
1761	# perform an extra check just in case the web server lies about finds
1762	# basically assume that the value for a non-extension is the true
1763	# code for "File not Found".
1764	if ($res ne $FoF{'NONE'}{'response'}) {
1765	foreach $found (split(' ', $VARIABLES{"\@HTTPFOUND"})) {
1766	if ($res eq $found) {
1767	$result = TRUE;
1768	}
1769	}
1770	}
1771
1772	return $result;
1773	}
1774
1775	#######################################################################
1776	sub setup_hash {
1777	my ($reqhash, $mark, $testid) = @_;
1778
1779	# Do the standard set up for the hash
1780	LW2::http_init_request($reqhash);
1781	$reqhash->{'whisker'}->{'ssl_save_info'} = 1;
1782	$reqhash->{'whisker'}->{'lowercase_incoming_headers'} = 1;
1783	$reqhash->{'whisker'}->{'timeout'} = $NIKTO{'timeout'};
1784	if (defined $CLI{'evasion'}) {
1785	$reqhash->{'whisker'}->{'encode_anti_ids'} = $CLI{'evasion'};
1786	}
1787	$reqhash->{'User-Agent'} = $NIKTO{'useragent'};
1788	$reqhash->{'User-Agent'} =~ s/\@TESTID/$testid/;
1789	$reqhash->{'whisker'}->{'retry'} = 0;
1790	$reqhash->{'whisker'}->{'host'} = $mark->{'hostname'} \|\| $mark->{'ip'};
1791
1792	if ($mark->{'vhost'}) {
1793	$request{'Host'} = $mark->{'vhost'};
1794	}
1795	$reqhash->{'whisker'}->{'port'} = $mark->{'port'};
1796	$reqhash->{'whisker'}->{'ssl'} = $mark->{'ssl'};
1797
1798	# Proxy stuff
1799	if (defined $NIKTOCONFIG{PROXYHOST} && defined $CLI{'useproxy'}) {
1800	$reqhash->{'whisker'}->{'proxy_host'} = $NIKTOCONFIG{'PROXYHOST'};
1801	$reqhash->{'whisker'}->{'proxy_port'} = $NIKTOCONFIG{'PROXYPORT'};
1802	LW2::auth_set("proxy-basic", $reqhash, $NIKTOCONFIG{'PROXYUSER'},
1803	$NIKTOCONFIG{'PROXYPASS'});
1804	}
1805
1806	return $reqhash;
1807	}
1808
1809	#######################################################################
1810	sub cache_add {
1811	my $method = shift;
1812	my $code = shift;
1813	my $content = shift;
1814	my $uri = shift;
1815	my $postdata = shift;
1816	my $flags_nocache = shift;
1817	my ($mark) = @_;
1818
1819	if ((!defined $CLI{'nocache'}) && (!$flags_nocache)) {
1820	my $key =
1821	LW2::md5( $mark->{'ip'}
1822	. $mark->{'hostname'}
1823	. $mark->{'port'}
1824	. $mark->{'ssl'}
1825	. $method
1826	. $uri
1827	. $postdata);
1828
1829	$CACHE{$key}{'method'} = $method;
1830	$CACHE{$key}{'code'} = $code;
1831	$CACHE{$key}{'content'} = $content;
1832	}
1833	}
1834
1835	#######################################################################
1836	sub cache_fetch {
1837	my $method = shift;
1838	my $uri = shift;
1839	my $postdata = shift;
1840	my $flags_nocache = shift;
1841	my ($mark) = @_;
1842
1843	if ((!defined $CLI{'nocache'}) && (!$flags_nocache)) {
1844	my $key =
1845	LW2::md5( $mark->{'ip'}
1846	. $mark->{'hostname'}
1847	. $mark->{'port'}
1848	. $mark->{'ssl'}
1849	. $method
1850	. $uri
1851	. $postdata);
1852
1853	if ($CACHE{$key}{'code'} ne '') {
1854	return (1, $CACHE{$key}{'code'}, $CACHE{$key}{'content'});
1855	}
1856	else {
1857	return 0;
1858	}
1859	}
1860	return 0;
1861	}
1862
1863	#######################################################################
1864	sub nfetch {
1865	my ($mark, $uri, $method, $data, $headers, $flags, $testid) = @_;
1866	if ($CLI{'pause'} > 0) { sleep $CLI{'pause'}; }
1867	my (%request, %result);
1868	setup_hash(\%request, $mark, $testid);
1869
1870	if (defined $CLI{'root'}) {
1871	$request{'whisker'}->{'uri'} = $CLI{'root'} . $uri; # prepend -root option value
1872	}
1873	else {
1874	$request{'whisker'}->{'uri'} = $uri;
1875	}
1876	$request{'whisker'}->{'method'} = $method;
1877
1878	if ($data ne "") {
1879	$data =~ s/\\\"/\"/g;
1880	$request{'whisker'}->{'data'} = $data;
1881	}
1882
1883	# check for extra HTTP headers
1884	if (defined $headers) {
1885	# loop through the hash ref passed and add each header to request
1886	while (my ($key, $value) = each(%$headers)) {
1887	$request{$key} = $value;
1888	}
1889	}
1890	LW2::http_fixup_request(\%request) unless ($flags->{'noclean'});
1891
1892	# Run pre hooks
1893	(%$request, %$result) = run_hooks($mark, "prefetch", \%request, \%result);
1894
1895	# Check cache
1896	my $incache = 0;
1897	nprint("- Checking $uri in cache.", "d");
1898	($incache, my $code, my $content) =
1899	cache_fetch($request{'whisker'}->{'method'}, $uri, $data, $flags->{'nocache'}, $mark);
1900	if ($incache) {
1901	$result{'whisker'}->{'code'} = $code;
1902	$result{'whisker'}->{'data'} = $content;
1903	}
1904
1905	if (!$incache) {
1906	LW2::http_do_request_timeout(\%request, \%result);
1907	$NIKTO{'totalrequests'}++;
1908	cache_add($request{'whisker'}->{'method'},
1909	$result{'whisker'}->{'code'},
1910	$result{'whisker'}->{'data'},
1911	$uri, $data, $flags->{'nocache'}, $mark);
1912
1913	if ($OUTPUT{'debug'}) {
1914	dump_var("Request Hash", \%request);
1915	dump_var("Result Hash", \%result);
1916	}
1917
1918	# Snarf what we can from the whisker hash and put in mark
1919	if (!exists $result{'whisker'}->{'error'}) {
1920	if (!exists $mark->{'banner'}) {
1921	$mark->{'banner'} = $result{'server'};
1922	}
1923	else {
1924	# Check banner hasn't changed
1925	if (exists $result{'server'} && $mark->{'banner'} ne $result{'server'}) {
1926	nprint("+ Server banner has changed from $mark->{banner} to $result{server}, this may suggest a WAF is in place");
1927	}
1928	}
1929
1930	if (!exists $mark->{'ssl_cipher'} && $mark->{'ssl'}) {
1931	# Grab ssl details
1932	$mark->{'ssl_cipher'} = $result{'whisker'}->{'ssl_cipher'};
1933	$mark->{'ssl_cert_issuer'} = $result{'whisker'}->{'ssl_cert_issuer'};
1934	$mark->{'ssl_cert_subject'} = $result{'whisker'}->{'ssl_cert_subject'};
1935	}
1936	}
1937	}
1938	nprint("- $result{'whisker'}{'code'} for $method:\t$uri", "v");
1939
1940	# Check for errors to reduce false positives
1941	if (defined $result{'whisker'}->{'error'} && !exists $flags->{'noerror'}) {
1942	$mark->{'total_errors'}++;
1943	nprint("+ ERROR: $uri returned an error: $result{'whisker'}{'error'}\n", "e");
1944	}
1945
1946	if ( defined $CLI{'display'}
1947	&& ($CLI{'display'} =~ /2/)
1948	&& (defined($result{'whisker'}->{'cookies'}))) {
1949	foreach my $c (@{ $result{'whisker'}->{'cookies'} }) {
1950	nprint("+ $uri sent cookie: $c");
1951	}
1952	}
1953
1954	# If headers is defined, copy the whisker headers to the hash
1955	if (defined $headers) {
1956
1957	# First clear the hash
1958	foreach my $header (keys %$headers) {
1959	delete($headers->{$header});
1960	}
1961	while (my ($key, $value) = each(%result)) {
1962	if ($key ne "whisker" && $key ne "connection") {
1963	$headers->{$key} = $value;
1964	}
1965	}
1966	}
1967
1968	# Run post hooks
1969	(%$request, %$result) = run_hooks($mark, "postfetch", \%request, \%result);
1970
1971	return $result{'whisker'}->{'code'}, $result{'whisker'}->{'data'},
1972	$result{'whisker'}->{'error'};
1973	}
1974
1975	#######################################################################
1976	sub set_scan_items {
1977
1978	# load the tests
1979	%TESTS = ();
1980	my @SKIPLIST = ();
1981	if (defined $NIKTOCONFIG{SKIPIDS}) {
1982	@SKIPLIST = split(/ /, $NIKTOCONFIG{SKIPIDS});
1983	}
1984
1985	# now load checks
1986	foreach my $line (@DBFILE) {
1987	if ($line =~ /^\"/) # check
1988	{
1989	chomp($line);
1990	my @item = parse_csv($line);
1991	my $add = 1;
1992
1993	# check tuning options
1994	if ((defined $CLI{'tuning'}) && (defined $item[2])) {
1995
1996	# Work out the required tuning from the CLI string
1997	my $exclude = 0;
1998	foreach my $tune (split(//, $CLI{'tuning'})) {
1999	if ($tune eq "x") {
2000	$exclude = 1;
2001	next;
2002	}
2003	if ($exclude == 0) {
2004	if ($item[2] !~ /$tune/) { $add = 0; }
2005	next;
2006	}
2007	if ($exclude == 1) {
2008	if ($item[2] =~ /$tune/) { $add = 0; }
2009	}
2010	}
2011	}
2012
2013	# Skip list
2014	foreach my $id (@SKIPLIST) {
2015	if ($id eq $item[0]) { $add = 0; }
2016	}
2017
2018	# RFI URL Defined?
2019	if (($item[2] =~ /c/) && ($VARIABLES{'@RFIURL'} eq '')) {
2020	$add = 0;
2021	}
2022
2023	if ($add) {
2024	my $ext = get_ext($item[3]);
2025	$db_extensions{$ext} = 1;
2026
2027	# This escapes regex characters in the conditionals.
2028	# This will have to change if regex is ever allowed in the db
2029	for (my $y = 5 ; $y <= 9 ; $y++) { $item[$y] =~ s/([^a-zA-Z0-9\s])/\\$1/g; }
2030
2031	$NIKTO{total_checks}++;
2032	$TESTS{ $item[0] }{'uri'} = $item[3];
2033	$TESTS{ $item[0] }{'osvdb'} = $item[1];
2034	$TESTS{ $item[0] }{'method'} = $item[4];
2035	$TESTS{ $item[0] }{'match_1'} = $item[5];
2036	$TESTS{ $item[0] }{'match_1_or'} = $item[6];
2037	$TESTS{ $item[0] }{'match_1_and'} = $item[7];
2038	$TESTS{ $item[0] }{'fail_1'} = $item[8];
2039	$TESTS{ $item[0] }{'fail_2'} = $item[9];
2040	$TESTS{ $item[0] }{'message'} = $item[10];
2041	$TESTS{ $item[0] }{'data'} = $item[11];
2042	$TESTS{ $item[0] }{'headers'} = $item[12];
2043	}
2044	}
2045	}
2046
2047	undef @DBFILE; # this memory hog is no longer needed!
2048	nprint("- $NIKTO{'total_checks'} server checks loaded", "v");
2049	if ($NIKTO{'total_checks'} eq 0 && !defined $CLI{'tuning'}) {
2050	nprint("+ Unable to load valid checks!");
2051	exit;
2052	}
2053	return;
2054	}
2055
2056	#######################################################################
2057	sub max_test_id {
2058	return (sort { $a <=> $b } keys %TESTS)[-1];
2059	}
2060
2061	#######################################################################
2062	sub char_escape {
2063	$_[0] =~ s/([^a-zA-Z0-9 ])/\\$1/g;
2064	return $_[0];
2065	}
2066
2067	#######################################################################
2068	sub parse_csv {
2069	my $text = $_[0] \|\| return;
2070	my @new = ();
2071	push(@new, $+) while $text =~ m{
2072	"([^\"\\](?:\\.[^\"\\])*)",?
2073	\| ([^,]+),?
2074	\| ,
2075	}gx;
2076	push(@new, undef) if substr($text, -1, 1) eq ',';
2077	return @new;
2078	}
2079
2080	#######################################################################
2081	sub version {
2082	my @NIKTOFILES = dirlist($NIKTOCONFIG{PLUGINDIR}, "(^nikto\|^db_)");
2083	nprint "$NIKTO{'DIV'}\n";
2084	nprint "$NIKTO{'name'} Versions\n";
2085	nprint "$NIKTO{'DIV'}\n";
2086	nprint "File Version Last Mod\n";
2087	nprint "----------------------------- -------- ----------\n";
2088	nprint "Nikto main $NIKTO{'version'}\n";
2089	nprint "LibWhisker $LW2::VERSION\n";
2090
2091	foreach my $FILE (sort @NIKTOFILES) {
2092	open(FI, "<$NIKTOCONFIG{PLUGINDIR}/$FILE")
2093	\|\| die print STDERR "+ ERROR: Unable to open '$NIKTOCONFIG{PLUGINDIR}/$FILE': $!\n";
2094	my @F = <FI>;
2095	close(FI);
2096	my @VERS = grep(/^#VERSION/, @F);
2097	my @MODS = grep(/^# \$Id:/, @F);
2098	chomp($VERS[0]);
2099	chomp($MODS[0]);
2100	my @modification = split(/ /, $MODS[0]);
2101	$VERS[0] =~ s/^#VERSION,//;
2102	my $ws1 = (35 - length($FILE));
2103	my $ws2 = (13 - length($VERS[0]));
2104	nprint "$FILE" . " " x $ws1 . "$VERS[0]" . " " x $ws2 . "$modification[4]\n";
2105	}
2106	nprint "$NIKTO{'DIV'}\n";
2107
2108	exit;
2109	}
2110
2111	#######################################################################
2112	sub send_updates {
2113	return if ($NIKTOCONFIG{'UPDATES'} !~ /yes\|auto/i);
2114
2115	my $have_updates = 0;
2116	my ($updated_version, $answer, $RES);
2117	foreach my $ver (keys %UPDATES) {
2118
2119	# ignore useless ones...
2120	if ($ver !~ /[0-9]/) { next; }
2121	elsif ($ver eq "Win32") { next; }
2122	elsif ($ver eq "(Win32)") { next; }
2123	elsif ($ver eq "Linux-Mandrake") { next; }
2124	$have_updates = 1;
2125	$updated_version .= "$ver ";
2126	}
2127
2128	if ((!$have_updates) \|\| ($updated_version eq "")) { return; }
2129
2130	# make sure the db_outdatedb isn't too old
2131	open(OD, "<$NIKTOCONFIG{PLUGINDIR}/db_outdated")
2132	\|\| die print STDERR "+ ERROR: Unable to open '$NIKTOCONFIG{PLUGINDIR}/db_outdated': $!\n";
2133	@F = <OD>;
2134	close(OD);
2135
2136	my @LASTUPDATED = grep(/^\# \$Id: db_outdated/, @F);
2137	$LASTUPDATED[0] =~ /([0-9]{4}\-[0-9]{2})/;
2138	$lm = $1;
2139	$lm =~ s/\-//g;
2140
2141	my @NOW = localtime(time);
2142	$NOW[5] += 1900;
2143	$NOW[4]++;
2144	if ($NOW[4] < 10) { $NOW[4] = "0$NOW[4]"; }
2145	my $now = "$NOW[5]$NOW[4]";
2146	if (($now - $lm) > 120) { return; } # DB is 4 months old... ignore the updates!
2147
2148	$updated_version =~ s/\s+$//;
2149	$updated_version =~ s/^\s+//;
2150
2151	if ($NIKTOCONFIG{'UPDATES'} eq "auto") {
2152	$answer = "y";
2153	}
2154	else {
2155	$answer = read_data(
2156	"\n
2157	*********************************************************************
2158	Portions of the server's ident string ($updated_version) are not in
2159	the Nikto database or is newer than the known string. Would you like
2160	to submit this information (no server specific data) to CIRT.net
2161	for a Nikto update (or you may email to sullo\@cirt.net) (y/n)? ", ""
2162	);
2163	}
2164
2165	if ($answer !~ /y/i) { return; }
2166
2167	# set up our mark
2168	my %mark = ('ident' => 'www.cirt.net',
2169	'ssl' => 0,
2170	'port' => 80
2171	);
2172	($mark{'hostname'}, $mark{'ip'}, $mark{'display_name'}) = resolve('www.cirt.net');
2173
2174	for (my $i = 0 ; $i <= $#ARGV ; $i++) {
2175	if (($ARGV[$i] eq "-u") \|\| ($ARGV[$i] eq "-useproxy")) {
2176	$CLI{'useproxy'} = 1;
2177	last;
2178	}
2179	}
2180
2181	($RES, $CONTENT) = nfetch(\%mark, "/cgi-bin/versions?DATA=$updated_version", "GET");
2182
2183	if ($RES eq 407) {
2184	if ($NIKTOCONFIG{PROXYUSER} eq "") {
2185	$NIKTOCONFIG{PROXYUSER} = read_data("Proxy ID: ", "");
2186	$NIKTOCONFIG{PROXYPASS} = read_data("Proxy Pass: ", "noecho");
2187	}
2188	($RES, $CONTENT) = nfetch(\%mark, "/cgi-bin/versions?DATA=$updated_version", "GET");
2189	}
2190
2191	if ($RES eq "") {
2192	LW2::http_close(\%request); # force-close any old connections
2193	$mark{'ip'} = $NIKTOCONFIG{CIRT};
2194	($RES, $CONTENT) = nfetch(\%mark, "/cgi-bin/versions?DATA=$updated_version", "GET");
2195	}
2196
2197	if ($CONTENT !~ /SUCCESS/) {
2198	print STDERR "+ ERROR: ($RES, $CONTENT): Unable to send update info to CIRT.net\n";
2199	}
2200	else {
2201	nprint "- Sent updated info to CIRT.net -- Thank you!\n";
2202	}
2203
2204	return;
2205	}
2206
2207	#######################################################################
2208	sub usage {
2209	if ($_[0] eq 2) {
2210	print "
2211	Options:
2212	-ask+ Whether to ask about submitting updates
2213	yes Ask about each (default)
2214	no Don't ask, don't send
2215	auto Don't ask, just send
2216	-config+ Use this config file
2217	-Cgidirs+ Scan these CGI dirs: \"none\", \"all\", or values like \"/cgi/ /cgi-a/\"
2218	-Display+ Turn on/off display outputs:
2219	1 Show redirects
2220	2 Show cookies received
2221	3 Show all 200/OK responses
2222	4 Show URLs which require authentication
2223	V Verbose output
2224	D Debug output
2225	E Display all HTTP errors
2226	-dbcheck Check database and other key files for syntax errors (cannot be abbreviated)
2227	-evasion+ IDS evasion technique:\n";
2228
2229	foreach my $k (sort keys %{ $NIKTO{'anti_ids'} }) {
2230	print " $k $NIKTO{'anti_ids'}{$k}\n";
2231	}
2232
2233	print " -findonly Find http(s) ports only, don't perform a full scan
2234	-Format+ Save file (-o) format:
2235	csv Comma-separated-value
2236	htm HTML Format
2237	nbe Nessus NBE format
2238	txt Plain text (default if not specified)
2239	xml XML Format
2240	-host+ Target host
2241	-Help Extended help information
2242	-id+ Host authentication to use, format is userid:password
2243	-list-plugins List all available plugins, perform no testing
2244	-mutate+ Guess additional file names:\n";
2245
2246	foreach my $k (sort keys %{ $NIKTO{'mutate_opts'} }) {
2247	print " $k $NIKTO{'mutate_opts'}{$k}\n";
2248	}
2249
2250	print " -mutate-options Provide information for mutates
2251	-nocache Disables the URI cache
2252	-nossl Disables using SSL
2253	-no404 Disables nikto attempting to guess a 404 page
2254	-output+ Write output to this file
2255	-Plugins List of plugins to run (default ALL)
2256	-port+ Port to use (default 80)
2257	-Pause+ Pause between tests (seconds)
2258	-root+ Prepend root value to all requests, format is /directory
2259	-ssl Force ssl mode on port
2260	-Single Single request mode
2261	-timeout+ Timeout (default 2 seconds)
2262	-Tuning+ Scan tuning:
2263	1 Interesting File / Seen in logs
2264	2 Misconfiguration / Default File
2265	3 Information Disclosure
2266	4 Injection (XSS/Script/HTML)
2267	5 Remote File Retrieval - Inside Web Root
2268	6 Denial of Service
2269	7 Remote File Retrieval - Server Wide
2270	8 Command Execution / Remote Shell
2271	9 SQL Injection
2272	0 File Upload
2273	a Authentication Bypass
2274	b Software Identification
2275	c Remote Source Inclusion
2276	x Reverse Tuning Options (i.e., include all except specified)
2277	-useproxy Use the proxy defined in nikto.conf
2278	-update Update databases and plugins from cirt.net (cannot be abbreviated)
2279	-Version Print plugin and database versions
2280	-vhost+ Virtual host (for Host header)
2281	+ requires a value
2282	";
2283	}
2284	else {
2285	print "
2286	-config+ Use this config file
2287	-Cgidirs+ scan these CGI dirs: 'none', 'all', or values like \"/cgi/ /cgi-a/\"
2288	-dbcheck check database and other key files for syntax errors (cannot be abbreviated)
2289	-evasion+ ids evasion technique
2290	-Format+ save file (-o) format
2291	-host+ target host
2292	-Help Extended help information
2293	-id+ host authentication to use, format is userid:password
2294	-list-plugins List all available plugins
2295	-mutate+ Guess additional file names
2296	-mutate-options+ Provide extra information for mutations
2297	-output+ Write output to this file
2298	-nocache Disables the URI cache
2299	-nossl Disables using SSL
2300	-no404 Disables 404 checks
2301	-Plugins List of plugins to run (default ALL)
2302	-port+ Port to use (default 80)
2303	-root+ Prepend root value to all requests, format is /directory
2304	-Display+ Turn on/off display outputs
2305	-ssl Force ssl mode on port
2306	-Single Single request mode
2307	-timeout+ Timeout (default 2 seconds)
2308	-Tuning+ Scan tuning
2309	-update Update databases and plugins from cirt.net (cannot be abbreviated)
2310	-Version Print plugin and database versions
2311	-vhost+ Virtual host (for Host header)
2312	+ requires a value
2313	";
2314	}
2315	exit;
2316	}
2317
2318	#######################################################################
2319	sub init_db {
2320	my $dbname = $_[0];
2321	my $filename = "$NIKTOCONFIG{PLUGINDIR}/" . $dbname;
2322	my (@dbarray, @headers);
2323	my $hashref = {};
2324
2325	# Check that the database exists
2326	unless (open(IN, "<$filename")) {
2327	nprint("+ ERROR: Unable to open database file $dbname: $!.");
2328	return $dbarray;
2329	}
2330
2331	# Now read the header values
2332	while (<IN>) {
2333	chomp;
2334	s/\#.*$//;
2335	if ($_ eq "") { next }
2336	unless (@headers) {
2337	@headers = parse_csv($_);
2338	}
2339	else {
2340
2341	# contents; so split them up and apply to hash
2342	my @contents = parse_csv($_);
2343	my $hashref = {};
2344	for (my $i = 0 ; $i <= $#contents ; $i++) {
2345	$hashref->{ $headers[$i] } = $contents[$i];
2346	}
2347	push(@dbarray, $hashref);
2348	}
2349	}
2350	return \@dbarray;
2351	}
2352
2353	#######################################################################
2354	sub add_vulnerability {
2355	my ($mark, $message, $nikto_id, $osvdb, $method, $uri) = @_;
2356	$uri = "/" unless (defined $uri);
2357	$method = "GET" unless (defined $method);
2358	$osvdb = "0" unless (defined $osvdb);
2359
2360	my $result = "";
2361	if (defined $_[7]) {
2362	$result = $_[7]->{'whisker'}->{'data'};
2363	}
2364	my $outmessage = $message;
2365	my $resulthash = {};
2366
2367	unless ($osvdb eq "0") {
2368	$outmessage = "OSVDB-$osvdb: $message";
2369	}
2370	nprint("+ $outmessage");
2371	%$resulthash = (mark => $mark,
2372	message => $message,
2373	nikto_id => $nikto_id,
2374	osvdb => $osvdb,
2375	method => $method,
2376	uri => $uri,
2377	result => $result,
2378	);
2379	$mark->{total_vulns}++;
2380	push(@RESULTS, $resulthash);
2381
2382	# Now report it
2383	report_item($mark, $resulthash);
2384	}
2385
2386	###############################################################################
2387	sub list_plugins {
2388
2389	# Just do a load_plugins, then loop through the array and print out name,
2390	# description and copyright
2391
2392	load_plugins();
2393
2394	foreach my $plugin (@PLUGINS) {
2395	nprint("Plugin: $plugin->{'name'}");
2396	push(@all_names, $plugin->{'name'});
2397	nprint(" $plugin->{'full_name'} - $plugin->{'description'}");
2398	nprint(" Written by $plugin->{'author'}, Copyright (C) $plugin->{'copyright'}");
2399	if (defined $plugin->{'options'}) {
2400	nprint(" Options:");
2401	while (my ($option, $description) = each(%{ $plugin->{'options'} })) {
2402	nprint(" $option: $description");
2403	}
2404	}
2405	nprint("\n");
2406	}
2407
2408	# Plugin macros
2409	nprint("Defined plugin macros:");
2410
2411	foreach my $macro (keys %NIKTOCONFIG) {
2412	if ($macro =~ /^@@/) {
2413	nprint(" $macro = \"" . $NIKTOCONFIG{$macro} . "\"");
2414	if ($NIKTOCONFIG{$macro} =~ /@@/) {
2415	nprint(" (expanded) = \"" . expand_pluginlist($NIKTOCONFIG{$macro}, 0) . "\"");
2416	}
2417	}
2418	}
2419
2420	exit(0);
2421	}
2422
2423	###############################################################################
2424	# This is overly complicated and jumps a lot between scalars and arrays. The REs are
2425	# probably dodgy, but it works! W00!
2426	sub expand_pluginlist {
2427	my ($pluginlist, $parent) = @_;
2428
2429	my @macros;
2430	foreach my $config (keys %NIKTOCONFIG) {
2431	if ($config =~ /^@@/) {
2432	push(@macros, $config);
2433	}
2434	}
2435
2436	# Now loop through each member of the list and expand it
2437	my $count = 0;
2438	my $npluginlist = $pluginlist;
2439	do {
2440	$count++;
2441	my @raw = split(/;/, $npluginlist);
2442
2443	# cooked contains the processed list
2444	my @cooked;
2445	foreach my $entry (@raw) {
2446
2447	# Is it +; if so remap to @@DEFAULT
2448	if ($entry eq "+") {
2449	$entry = '@@DEFAULT';
2450	}
2451
2452	# result contains the processed entry
2453	my $result = $original = $entry;
2454
2455	# Is it a macro
2456	if ($entry =~ /^-?@@/) {
2457
2458	# break up into components
2459	$prefix = ($entry =~ /^-/) ? "-" : "";
2460	$name = $suffix = $entry;
2461	$name =~ s/(^-?)(@@[[:alpha:]]+)(\(?.*\)?$)/$2/;
2462	$suffix =~ s/(.)(\(.\))/$2/;
2463	if ($suffix eq $entry) {
2464	$suffix = "";
2465	}
2466	foreach my $macro (@macros) {
2467	if ($entry =~ /-?$macro/) {
2468
2469	# It's a macro, so replace the contents with the macro
2470	# Add prefix and suffix to each member of the macro
2471	my @temp;
2472	foreach my $child (split(/;/, $NIKTOCONFIG{$macro})) {
2473	push(@temp, "$prefix$child$suffix");
2474	}
2475	$result = join(';', @temp);
2476
2477	# stop an infinite loop
2478	last;
2479	}
2480	}
2481	}
2482	if ($result =~ /^-?@@/ && $result eq $original) {
2483
2484	# macro not found or is itself - ignore
2485	$result = "";
2486	}
2487	if ($count > 100) {
2488
2489	# check for recurstion
2490	nprint("ERROR: Recursion found whilst expanding macros");
2491	$result = "";
2492	last;
2493	}
2494	push(@cooked, $result);
2495	}
2496	$npluginlist = join(';', @cooked);
2497	} while ($npluginlist =~ /@@/ && $count <= 100);
2498
2499	#use re 'debug';
2500	# Now we've expanded out macros, deal with duplicates and -
2501	my @raw = split(/;/, $npluginlist);
2502
2503	# hash so we don't have to mess with duplicates
2504	my %cooked;
2505	foreach my $plugin (@raw) {
2506
2507	# break out components
2508	my $minus;
2509	my $name = my $suffix = $plugin;
2510	$minus = (substr($plugin, 0, 1) eq '-');
2511	$name =~ s/(^-?)([^\(]+)(\(?.*\)?$)/$2/;
2512	$suffix =~ s/(.)(\(.\))/$2/;
2513	if ($suffix eq $plugin) {
2514	$suffix = "";
2515	}
2516
2517	#nprint("P:$plugin M:$minus N:$name S:$suffix");
2518	if ($minus) {
2519
2520	# it's a minus - remove any previous entry
2521	if (exists $cooked{$name}) {
2522	delete $cooked{$name};
2523	}
2524	}
2525	else {
2526
2527	# else add it with the parameters as the value of the hash
2528	$cooked{$name} = $suffix;
2529	}
2530	}
2531
2532	# Now rejoin into one happy whole
2533	my $output;
2534	foreach my $plugin (keys %cooked) {
2535	$output .= "$plugin" . $cooked{$plugin} . ";";
2536	}
2537
2538	# remove the last ;
2539	$output =~ s/;$//g;
2540
2541	return $output;
2542	}
2543	#######################################################################
2544	sub nikto_core { return; } # trap for this plugin being called to run. lame.
2545	#######################################################################
2546
2547	1;

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