4 * Trojanscan copyright (C) Chris Porter 2002-2009
5 * Newserv bits copyright (C) David Mansell 2002-2003
8 * - Poke splidge about +r'ing bots, potential problems:
9 * - users might whine about T clone stealing account
10 * - would have to steal one already in use, so if trojans start using /msg q whois they'll see
11 * (though they have to be authed for this, they could use a clone of their own however)
14 #include "trojanscan.h"
15 #include "../lib/strlfunc.h"
16 #include "../lib/version.h"
17 #include "../core/nsmalloc.h"
18 #include "../glines/glines.h"
21 #define tmalloc(x) nsmalloc(POOL_TROJANSCAN, x)
22 #define tfree(x) nsfree(POOL_TROJANSCAN, x)
24 MODULE_VERSION(TROJANSCAN_VERSION
);
26 void trojanscan_phrasematch(channel
*chp
, nick
*sender
, trojanscan_phrases
*phrase
, char messagetype
, char *matchbuf
);
27 char *trojanscan_sanitise(char *input
);
28 void trojanscan_refresh_settings(void);
29 static void trojanscan_part_watch(int hook
, void *arg
);
30 static void trojanscan_connect_nick(void *);
32 #define TROJANSCAN_SETTING_SIZE 256
33 #define TROJANSCAN_MAX_SETTINGS 50
36 char setting
[TROJANSCAN_SETTING_SIZE
];
37 char value
[TROJANSCAN_SETTING_SIZE
];
38 } trojanscan_settings
[TROJANSCAN_MAX_SETTINGS
];
40 static int settingcount
= 0;
41 static char *versionreply
;
42 static int hooksregistered
= 0;
43 static void *trojanscan_connect_nick_schedule
;
45 static void *db_ping_schedule
;
48 trojanscan_cmds
= newcommandtree();
50 addcommandtotree(trojanscan_cmds
, "showcommands", TROJANSCAN_ACL_UNAUTHED
, 0, &trojanscan_showcommands
);
51 addcommandtotree(trojanscan_cmds
, "help", TROJANSCAN_ACL_UNAUTHED
, 1, &trojanscan_help
);
52 addcommandtotree(trojanscan_cmds
, "hello", TROJANSCAN_ACL_UNAUTHED
| TROJANSCAN_ACL_OPER
, 1, &trojanscan_hello
);
54 addcommandtotree(trojanscan_cmds
, "join", TROJANSCAN_ACL_STAFF
, 1, &trojanscan_userjoin
);
55 addcommandtotree(trojanscan_cmds
, "chanlist", TROJANSCAN_ACL_STAFF
, 0, &trojanscan_chanlist
);
56 addcommandtotree(trojanscan_cmds
, "whois", TROJANSCAN_ACL_STAFF
, 1, &trojanscan_whois
);
58 addcommandtotree(trojanscan_cmds
, "changelev", TROJANSCAN_ACL_STAFF
| TROJANSCAN_ACL_OPER
, 2, &trojanscan_changelev
);
59 addcommandtotree(trojanscan_cmds
, "deluser", TROJANSCAN_ACL_TEAMLEADER
| TROJANSCAN_ACL_OPER
, 2, &trojanscan_deluser
);
60 addcommandtotree(trojanscan_cmds
, "mew", TROJANSCAN_ACL_STAFF
, 2, &trojanscan_mew
);
61 addcommandtotree(trojanscan_cmds
, "status", TROJANSCAN_ACL_STAFF
| TROJANSCAN_ACL_OPER
, 0, &trojanscan_status
);
62 addcommandtotree(trojanscan_cmds
, "listusers", TROJANSCAN_ACL_TEAMLEADER
, 0, &trojanscan_listusers
);
64 addcommandtotree(trojanscan_cmds
, "rehash", TROJANSCAN_ACL_WEBSITE
, 0, &trojanscan_rehash
);
66 addcommandtotree(trojanscan_cmds
, "cat", TROJANSCAN_ACL_OPER
, 1, &trojanscan_cat
);
68 addcommandtotree(trojanscan_cmds
, "reschedule", TROJANSCAN_ACL_DEVELOPER
| TROJANSCAN_ACL_OPER
, 0, &trojanscan_reschedule
);
70 srand((int)time(NULL
));
72 trojanscan_connect_schedule
= scheduleoneshot(time(NULL
) + 1, &trojanscan_connect
, NULL
);
77 struct trojanscan_realchannels
*rp
= trojanscan_realchanlist
, *oldrp
;
78 struct trojanscan_rejoinlist
*rj
= trojanscan_schedulerejoins
, *oldrj
;
81 deregisterlocaluser(trojanscan_nick
, NULL
);
83 if (trojanscan_connect_schedule
)
84 deleteschedule(trojanscan_connect_schedule
, &trojanscan_connect
, NULL
);
86 if (trojanscan_connect_nick_schedule
)
87 deleteschedule(trojanscan_connect_nick_schedule
, &trojanscan_connect_nick
, NULL
);
89 if(trojanscan_schedule
)
90 deleteschedule(trojanscan_schedule
, &trojanscan_dojoin
, NULL
);
92 if(trojanscan_poolschedule
)
93 deleteschedule(trojanscan_poolschedule
, &trojanscan_repool
, NULL
);
95 if(trojanscan_cloneschedule
)
96 deleteschedule(trojanscan_poolschedule
, &trojanscan_registerclones
, NULL
);
99 deregisterhook(HOOK_CHANNEL_PART
, trojanscan_part_watch
);
102 deleteschedule(rp
->schedule
, &trojanscan_dopart
, (void *)rp
);
109 deleteschedule(rj
->schedule
, &trojanscan_rejoin_channel
, (void *)rj
);
110 freesstring(rj
->channel
);
116 if(trojanscan_initialschedule
)
117 deleteschedule(trojanscan_initialschedule
, &trojanscan_fill_channels
, NULL
);
119 deleteschedule(trojanscan_rehashschedule
, &trojanscan_rehash_schedule
, NULL
);
121 for (i
=0;i
<TROJANSCAN_CLONE_TOTAL
;i
++)
122 if(trojanscan_swarm
[i
].clone
) {
123 deregisterlocaluser(trojanscan_swarm
[i
].clone
, NULL
);
124 derefnode(iptree
, trojanscan_swarm
[i
].fakeipnode
);
125 trojanscan_swarm
[i
].clone
= NULL
;
127 trojanscan_free_database();
128 trojanscan_free_channels();
130 for (i
=0;i
<trojanscan_hostpoolsize
;i
++)
131 freesstring(trojanscan_hostpool
[i
]);
133 for (i
=0;i
<trojanscan_tailpoolsize
;i
++)
134 freesstring(trojanscan_tailpool
[i
]);
136 trojanscan_database_close();
138 deletecommandfromtree(trojanscan_cmds
, "showcommands", &trojanscan_showcommands
);
139 deletecommandfromtree(trojanscan_cmds
, "help", &trojanscan_help
);
140 deletecommandfromtree(trojanscan_cmds
, "hello", &trojanscan_hello
);
141 deletecommandfromtree(trojanscan_cmds
, "join", &trojanscan_userjoin
);
142 deletecommandfromtree(trojanscan_cmds
, "chanlist", &trojanscan_chanlist
);
143 deletecommandfromtree(trojanscan_cmds
, "whois", &trojanscan_whois
);
144 deletecommandfromtree(trojanscan_cmds
, "changelev", &trojanscan_changelev
);
145 deletecommandfromtree(trojanscan_cmds
, "deluser", &trojanscan_deluser
);
146 deletecommandfromtree(trojanscan_cmds
, "mew", &trojanscan_mew
);
147 deletecommandfromtree(trojanscan_cmds
, "status", &trojanscan_status
);
148 deletecommandfromtree(trojanscan_cmds
, "listusers", &trojanscan_listusers
);
149 deletecommandfromtree(trojanscan_cmds
, "rehash", &trojanscan_rehash
);
150 deletecommandfromtree(trojanscan_cmds
, "cat", &trojanscan_cat
);
151 deletecommandfromtree(trojanscan_cmds
, "reschedule", &trojanscan_reschedule
);
153 destroycommandtree(trojanscan_cmds
);
154 nscheckfreeall(POOL_TROJANSCAN
);
157 static void trojanscan_connect_nick(void *arg
) {
158 sstring
*mnick
, *myident
, *myhost
, *myrealname
, *myauthname
;
161 mnick
= getcopyconfigitem("trojanscan", "nick", "T", NICKLEN
);
162 myident
= getcopyconfigitem("trojanscan", "ident", "trojanscan", NICKLEN
);
163 myhost
= getcopyconfigitem("trojanscan", "hostname", "trojanscan.quakenet.org", HOSTLEN
);
164 myrealname
= getcopyconfigitem("trojanscan", "realname", "Trojanscan v" TROJANSCAN_VERSION
, REALLEN
);
165 myauthname
= getcopyconfigitem("trojanscan", "authname", "T", ACCOUNTLEN
);
167 trojanscan_nick
= registerlocaluser(mnick
->content
, myident
->content
, myhost
->content
, myrealname
->content
, myauthname
->content
, UMODE_SERVICE
| UMODE_DEAF
|
168 UMODE_OPER
| UMODE_INV
|
170 &trojanscan_handlemessages
);
172 freesstring(myident
);
174 freesstring(myrealname
);
175 freesstring(myauthname
);
177 cp
= findchannel(TROJANSCAN_OPERCHANNEL
);
179 localcreatechannel(trojanscan_nick
, TROJANSCAN_OPERCHANNEL
);
181 if(!localjoinchannel(trojanscan_nick
, cp
))
182 localgetops(trojanscan_nick
, cp
);
185 cp
= findchannel(TROJANSCAN_CHANNEL
);
187 localcreatechannel(trojanscan_nick
, TROJANSCAN_CHANNEL
);
189 if(!localjoinchannel(trojanscan_nick
, cp
))
190 localgetops(trojanscan_nick
, cp
);
193 #ifdef TROJANSCAN_PEONCHANNEL
194 cp
= findchannel(TROJANSCAN_PEONCHANNEL
);
196 localcreatechannel(trojanscan_nick
, TROJANSCAN_PEONCHANNEL
);
198 if(!localjoinchannel(trojanscan_nick
, cp
))
199 localgetops(trojanscan_nick
, cp
);
204 void trojanscan_connect(void *arg
) {
205 sstring
*dbhost
, *dbuser
, *dbpass
, *db
, *dbport
, *temp
;
209 trojanscan_connect_schedule
= NULL
;
211 for(i
=0;i
<TROJANSCAN_CLONE_TOTAL
;i
++)
212 trojanscan_swarm
[i
].index
= i
; /* sure this could be done with pointer arithmetic... */
214 trojanscan_hostpoolsize
= 0;
215 trojanscan_tailpoolsize
= 0;
216 trojanscan_hostmode
= 0;
217 trojanscan_poolschedule
= NULL
;
218 trojanscan_cloneschedule
= NULL
;
219 trojanscan_realchanlist
= NULL
;
220 trojanscan_database
.glines
= 0;
221 trojanscan_database
.detections
= 0;
223 dbhost
= getcopyconfigitem("trojanscan", "dbhost", "localhost", 100);
224 dbuser
= getcopyconfigitem("trojanscan", "dbuser", "moo", 100);
225 dbpass
= getcopyconfigitem("trojanscan", "dbpass", "changeme", 100);
226 db
= getcopyconfigitem("trojanscan", "db", "moo", 100);
228 dbport
= getcopyconfigitem("trojanscan", "dbport", "3306", 10);
230 length
= snprintf(buf
, sizeof(buf
) - 1, "%d", TROJANSCAN_DEFAULT_MAXCHANS
);
231 temp
= getcopyconfigitem("trojanscan", "maxchans", buf
, length
);
233 trojanscan_maxchans
= atoi(temp
->content
);
236 length
= snprintf(buf
, sizeof(buf
) - 1, "%d", TROJANSCAN_DEFAULT_CYCLETIME
);
237 temp
= getcopyconfigitem("trojanscan", "cycletime", buf
, length
);
239 trojanscan_cycletime
= atoi(temp
->content
);
242 length
= snprintf(buf
, sizeof(buf
) - 1, "%d", TROJANSCAN_DEFAULT_PARTTIME
);
243 temp
= getcopyconfigitem("trojanscan", "parttime", buf
, length
);
244 trojanscan_part_time
= atoi(temp
->content
);
247 length
= snprintf(buf
, sizeof(buf
) - 1, "%d", TROJANSCAN_DEFAULT_MAXUSERS
);
248 temp
= getcopyconfigitem("trojanscan", "maxusers", buf
, length
);
249 trojanscan_maxusers
= atoi(temp
->content
);
252 length
= snprintf(buf
, sizeof(buf
) - 1, "%d", TROJANSCAN_MINIMUM_HOSTS_BEFORE_POOL
);
253 temp
= getcopyconfigitem("trojanscan", "minpoolhosts", buf
, length
);
254 trojanscan_min_hosts
= atoi(temp
->content
);
257 if ((trojanscan_cycletime
/ trojanscan_maxchans
) < 1) {
258 Error("trojanscan", ERR_FATAL
, "Cycletime / maxchans < 1, increase cycletime or decrease maxchans else cycling breaks.");
264 return; /* PPA: module failed to load */
267 length
= snprintf(buf
, sizeof(buf
) - 1, "%d", TROJANSCAN_DEFAULT_MINIMUM_CHANNEL_SIZE
);
268 temp
= getcopyconfigitem("trojanscan", "minchansize", buf
, length
);
269 trojanscan_minchansize
= atoi(temp
->content
);
272 trojanscan_connect_nick(NULL
);
274 if (trojanscan_database_connect(dbhost
->content
, dbuser
->content
, dbpass
->content
, db
->content
, atoi(dbport
->content
)) < 0) {
275 Error("trojanscan", ERR_FATAL
, "Cannot connect to database host!");
281 return; /* PPA: module failed to load */
284 trojanscan_database_query("CREATE TABLE phrases (id INT(10) PRIMARY KEY AUTO_INCREMENT, wormid INT(10) NOT NULL, phrase TEXT NOT NULL, priority INT(10) DEFAULT 0 NOT NULL, dateadded int(10), disabled BOOL DEFAULT 0 NOT NULL)");
285 trojanscan_database_query("CREATE TABLE worms (id INT(10) PRIMARY KEY AUTO_INCREMENT, wormname TEXT NOT NULL, glinetype INT DEFAULT 0, data text, hitmsgs BOOL DEFAULT 1, hitchans BOOL DEFAULT 0, epidemic BOOL DEFAULT 0, privinfo text)");
286 trojanscan_database_query("CREATE TABLE logs (id INT(10) PRIMARY KEY AUTO_INCREMENT, userid INT(10) NOT NULL, act TEXT NOT NULL, description TEXT NOT NULL, ts TIMESTAMP)");
287 trojanscan_database_query("CREATE TABLE channels (id INT(10) PRIMARY KEY AUTO_INCREMENT, channel VARCHAR(%d) NOT NULL, exempt BOOL DEFAULT 0)", CHANNELLEN
);
288 trojanscan_database_query("CREATE TABLE users (id INT(10) PRIMARY KEY AUTO_INCREMENT, authname VARCHAR(%d) NOT NULL, authlevel TINYINT(4) NOT NULL)", ACCOUNTLEN
);
289 trojanscan_database_query("CREATE TABLE hits (id INT(10) PRIMARY KEY AUTO_INCREMENT, nickname VARCHAR(%d) NOT NULL, ident VARCHAR(%d) NOT NULL, host VARCHAR(%d) NOT NULL, phrase INT(10) NOT NULL, ts TIMESTAMP, messagetype VARCHAR(1) NOT NULL DEFAULT 'm', glined BOOL DEFAULT 1)", NICKLEN
, USERLEN
, HOSTLEN
);
290 trojanscan_database_query("CREATE TABLE settings (id INT(10) PRIMARY KEY AUTO_INCREMENT, setting VARCHAR(255) NOT NULL UNIQUE, value VARCHAR(255) NOT NULL)");
291 trojanscan_database_query("CREATE TABLE wwwlogs (id INT(10) PRIMARY KEY AUTO_INCREMENT, authid INT(10) NOT NULL, ip VARCHAR(15), action TEXT, ts TIMESTAMP)");
292 trojanscan_database_query("CREATE TABLE unknownlog (id INT(10) PRIMARY KEY AUTO_INCREMENT, data TEXT, user VARCHAR(%d) NOT NULL, ts TIMESTAMP)", NICKLEN
+USERLEN
+HOSTLEN
+3);
294 trojanscan_database_query("DELETE FROM settings WHERE setting = 'rehash' OR setting = 'changed'");
295 trojanscan_database_query("INSERT INTO settings (setting, value) VALUES ('rehash','0')");
296 trojanscan_database_query("INSERT INTO settings (setting, value) VALUES ('changed','0')");
298 /* assumption: constants aren't supplied by someone evil */
299 trojanscan_database_query("INSERT INTO settings (setting, value) VALUES ('versionreply','" TROJANSCAN_DEFAULT_VERSION_REPLY
"')");
301 trojanscan_refresh_settings();
302 trojanscan_read_database(1);
309 trojanscan_registerclones(NULL
);
311 trojanscan_rehashschedule
= scheduleoneshot(time(NULL
) + 60, &trojanscan_rehash_schedule
, NULL
);
313 registerhook(HOOK_CHANNEL_PART
, trojanscan_part_watch
);
317 char *trojanscan_get_setting(char *setting
) {
320 for(i
=0;i
<settingcount
;i
++)
321 if(!strcmp(trojanscan_settings
[i
].setting
, setting
))
322 return trojanscan_settings
[i
].value
;
327 void trojanscan_refresh_settings(void) {
328 trojanscan_database_res
*res
;
329 trojanscan_database_row sqlrow
;
332 if(trojanscan_database_query("SELECT setting, value FROM settings"))
335 if(!(res
= trojanscan_database_store_result(&trojanscan_sql
)))
338 if (trojanscan_database_num_rows(res
) <= 0)
341 while((sqlrow
= trojanscan_database_fetch_row(res
))) {
342 strlcpy(trojanscan_settings
[i
].setting
, sqlrow
[0], TROJANSCAN_SETTING_SIZE
);
343 strlcpy(trojanscan_settings
[i
].value
, sqlrow
[1], TROJANSCAN_SETTING_SIZE
);
345 trojanscan_sanitise(trojanscan_settings
[i
].value
);
347 if(++i
== TROJANSCAN_MAX_SETTINGS
)
353 trojanscan_database_free_result(res
);
355 /* optimisation hack */
356 versionreply
= trojanscan_get_setting("versionreply");
359 void trojanscan_rehash_schedule(void *arg
) {
361 trojanscan_rehashschedule
= scheduleoneshot(time(NULL
) + 60, &trojanscan_rehash_schedule
, NULL
);
363 trojanscan_refresh_settings();
365 v
= trojanscan_get_setting("rehash");
366 if(v
&& v
[0] == '1') {
367 trojanscan_mainchanmsg("n: rehash initiated by website. . .");
368 trojanscan_read_database(0);
372 void trojanscan_free_database(void) {
374 for(i
=0;i
<trojanscan_database
.total_channels
;i
++)
375 freesstring(trojanscan_database
.channels
[i
].name
);
376 tfree(trojanscan_database
.channels
);
377 for(i
=0;i
<trojanscan_database
.total_phrases
;i
++) {
378 if (trojanscan_database
.phrases
[i
].phrase
)
379 pcre_free(trojanscan_database
.phrases
[i
].phrase
);
380 if (trojanscan_database
.phrases
[i
].hint
)
381 pcre_free(trojanscan_database
.phrases
[i
].hint
);
383 tfree(trojanscan_database
.phrases
);
384 for(i
=0;i
<trojanscan_database
.total_worms
;i
++)
385 freesstring(trojanscan_database
.worms
[i
].name
);
386 tfree(trojanscan_database
.worms
);
387 trojanscan_database
.total_channels
= 0;
388 trojanscan_database
.total_phrases
= 0;
389 trojanscan_database
.total_worms
= 0;
390 trojanscan_database
.channels
= NULL
;
391 trojanscan_database
.phrases
= NULL
;
392 trojanscan_database
.worms
= NULL
;
395 char *trojanscan_sanitise(char *input
) {
399 if(*p
== '\r' || *p
== '\n')
405 sstring
*trojanscan_getsstring(char *string
, int length
) {
408 for(i
=0;i
<length
;i
++) {
409 if ((string
[i
] == '\r') || (string
[i
] == '\n')) {
410 Error("trojanscan", ERR_WARNING
, "Error reading %s at position %d, set to ERROR!", string
, i
+1);
411 return getsstring("ERROR", sizeof("ERROR"));
415 return getsstring(string
, length
);
418 int trojanscan_strip_codes(char *buf
, size_t max
, char *original
) {
419 int i
, j
, length
= TROJANSCAN_MMIN(strlen(original
), max
-1);
420 char *p2
= original
, *p3
, flag
= 0;
422 for(i
=0;i
<length
+1;i
++) {
431 if ((i
+ 1) > length
)
433 if ((j
== 4) && flag
)
437 if ((j
== 0) && (!((*p2
>= '0') && (*p2
<= '9'))))
442 if ((i
+ 1) > length
)
444 if (!((*(p2
+ 1) >= '0') && (*(p2
+ 1) <= '9')))
447 } else if ((*p2
>= '0') && (*p2
<= '9')) {
455 if (!((*p2
>= '0') && (*p2
<= '9')))
461 if ((i
+ 1) > length
)
463 if (!((*(p2
+ 1) >= '0') && (*(p2
+ 1) <= '9')))
468 if ((j
== 3) && (!((*p2
>= '0') && (*p2
<= '9'))))
470 if ((j
== 4) && (!((*p2
>= '0') && (*p2
<= '9'))))
487 struct trojanscan_worms
*trojanscan_find_worm_by_id(int id
) {
489 for(i
=0;i
<trojanscan_database
.total_worms
;i
++)
490 if (trojanscan_database
.worms
[i
].id
== id
)
491 return &trojanscan_database
.worms
[i
];
495 void trojanscan_read_database(int first_time
) {
497 int erroroffset
, i
, tempresult
;
499 trojanscan_database_res
*res
;
500 trojanscan_database_row sqlrow
;
503 trojanscan_free_database();
505 trojanscan_database
.total_channels
= 0;
506 trojanscan_database
.total_phrases
= 0;
507 trojanscan_database
.total_worms
= 0;
510 if (!(trojanscan_database_query("SELECT channel, exempt FROM channels"))) {
511 if ((res
= trojanscan_database_store_result(&trojanscan_sql
))) {
512 trojanscan_database
.total_channels
= trojanscan_database_num_rows(res
);
513 if (trojanscan_database
.total_channels
> 0) {
514 if ((trojanscan_database
.channels
= (trojanscan_channels
*)tmalloc(sizeof(trojanscan_channels
) * trojanscan_database
.total_channels
))) {
515 if ((trojanscan_database
.total_channels
>0) && trojanscan_database
.channels
) {
517 while((sqlrow
= trojanscan_database_fetch_row(res
))) {
518 trojanscan_database
.channels
[i
].name
= trojanscan_getsstring(trojanscan_sanitise(sqlrow
[0]), strlen(sqlrow
[0]));
519 trojanscan_database
.channels
[i
].exempt
= (sqlrow
[1][0] == '1');
525 trojanscan_database_free_result(res
);
529 if (!(trojanscan_database_query("SELECT id, wormname, glinetype, length(data), hitmsgs, hitchans, epidemic FROM worms"))) {
530 if ((res
= trojanscan_database_store_result(&trojanscan_sql
))) {
531 trojanscan_database
.total_worms
= trojanscan_database_num_rows(res
);
532 if (trojanscan_database
.total_worms
> 0) {
533 if ((trojanscan_database
.worms
= (trojanscan_worms
*)tmalloc(sizeof(trojanscan_worms
) * trojanscan_database
.total_worms
))) {
535 while((sqlrow
= trojanscan_database_fetch_row(res
))) {
536 trojanscan_database
.worms
[i
].id
= atoi(sqlrow
[0]);
537 trojanscan_database
.worms
[i
].name
= trojanscan_getsstring(trojanscan_sanitise(sqlrow
[1]), strlen(sqlrow
[1]));
538 tempresult
= atoi(sqlrow
[2]);
539 trojanscan_database
.worms
[i
].glineuser
= (tempresult
== 0);
540 trojanscan_database
.worms
[i
].glinehost
= (tempresult
== 1);
541 trojanscan_database
.worms
[i
].monitor
= (tempresult
== 2);
543 trojanscan_database
.worms
[i
].datalen
= ((atoi(sqlrow
[3]) == 0) ? 0 : 1);
545 trojanscan_database
.worms
[i
].datalen
= 0;
548 trojanscan_database
.worms
[i
].hitpriv
= (atoi(sqlrow
[4]) == 1);
549 trojanscan_database
.worms
[i
].hitchans
= (atoi(sqlrow
[5]) == 1);
550 trojanscan_database
.worms
[i
].epidemic
= (atoi(sqlrow
[6]) == 1);
556 trojanscan_database_free_result(res
);
560 if (!(trojanscan_database_query("SELECT id, phrase, wormid FROM phrases WHERE disabled = 0 ORDER BY priority DESC"))) {
561 if ((res
= trojanscan_database_store_result(&trojanscan_sql
))) {
562 trojanscan_database
.total_phrases
= trojanscan_database_num_rows(res
);
563 if (trojanscan_database
.total_phrases
> 0) {
564 if ((trojanscan_database
.phrases
= (trojanscan_phrases
*)tmalloc(sizeof(trojanscan_phrases
) * trojanscan_database
.total_phrases
))) {
566 while((sqlrow
= trojanscan_database_fetch_row(res
))) {
567 trojanscan_database
.phrases
[i
].id
= atoi(sqlrow
[0]);
568 trojanscan_database
.phrases
[i
].worm
= trojanscan_find_worm_by_id(atoi(sqlrow
[2]));
569 if (!(trojanscan_database
.phrases
[i
].phrase
= pcre_compile(sqlrow
[1], PCRE_CASELESS
, &error
, &erroroffset
, NULL
))) {
570 Error("trojanscan", ERR_WARNING
, "Error compiling expression %s at offset %d: %s", sqlrow
[1], erroroffset
, error
);
572 trojanscan_database
.phrases
[i
].hint
= pcre_study(trojanscan_database
.phrases
[i
].phrase
, 0, &error
);
574 Error("trojanscan", ERR_WARNING
, "Error studying expression %s: %s", sqlrow
[1], error
);
575 pcre_free(trojanscan_database
.phrases
[i
].phrase
);
576 trojanscan_database
.phrases
[i
].phrase
= NULL
;
583 trojanscan_database_free_result(res
);
587 trojanscan_database_query("UPDATE settings SET value = '0' where setting = 'rehash'");
590 void trojanscan_log(nick
*np
, char *event
, char *details
, ...) {
592 char eevent
[TROJANSCAN_QUERY_TEMP_BUF_SIZE
], edetails
[TROJANSCAN_QUERY_TEMP_BUF_SIZE
], buf
[513];
595 va_start(va
, details
);
596 vsnprintf(buf
, sizeof(buf
) - 1, details
, va
);
601 nickid
= trojanscan_user_id_by_authname(np
->authname
);
603 trojanscan_database_escape_string(eevent
, event
, strlen(event
));
604 trojanscan_database_escape_string(edetails
, buf
, strlen(buf
));
605 trojanscan_database_query("INSERT INTO logs (userid, act, description) VALUES ('%d', '%s', '%s')", nickid
, eevent
, edetails
);
608 void trojanscan_generateclone(void *arg
) {
609 int i
, loops
= 0, modes
= UMODE_XOPER
| UMODE_INV
;
610 char c_nick
[NICKLEN
+1], c_ident
[USERLEN
+1], c_host
[HOSTLEN
+1], c_real
[REALLEN
+1];
611 patricia_node_t
*fakeip
;
613 i
= (int)((long)arg
);
615 /* PPA: unlikely to be infinite */
618 if (!loops
&& trojanscan_hostmode
) /* only have one go at this */
619 trojanscan_generatenick(c_nick
, NICKLEN
);
621 trojanscan_gennick(c_nick
, trojanscan_minmaxrand(7, TROJANSCAN_MMIN(13, NICKLEN
)));
623 } while ((getnickbynick(c_nick
) != NULL
));
625 trojanscan_generateident(c_ident
, USERLEN
);
627 trojanscan_genident(c_ident
, trojanscan_minmaxrand(4, TROJANSCAN_MMIN(8, USERLEN
)));
629 if(trojanscan_hostmode
) {
630 trojanscan_generatehost(c_host
, HOSTLEN
, &fakeip
);
632 trojanscan_genhost(c_host
, HOSTLEN
, &fakeip
);
634 trojanscan_genhost(c_host
, HOSTLEN
, &fakeip
);
637 trojanscan_generaterealname(c_real
, REALLEN
);
639 trojanscan_genreal(c_real
, trojanscan_minmaxrand(15, TROJANSCAN_MMIN(50, REALLEN
)));
641 trojanscan_swarm
[i
].clone
= registerlocaluser(c_nick
, c_ident
, c_host
, c_real
, NULL
, modes
, &trojanscan_clonehandlemessages
);
642 trojanscan_swarm
[i
].fakeipnode
= fakeip
;
644 if(trojanscan_swarm
[i
].clone
&& !trojanscan_swarm_created
) {
645 nick
*np
= trojanscan_selectuser();
646 if(np
) /* select a 'random' sign on time for whois generation */
647 trojanscan_swarm
[i
].clone
->timestamp
= np
->timestamp
;
649 trojanscan_swarm
[i
].remaining
= trojanscan_minmaxrand(5, 100);
651 trojanscan_swarm
[i
].sitting
= 0;
655 void trojanscan_free_channels(void) {
657 if(trojanscan_chans
) {
658 for(i
=0;i
<trojanscan_activechans
;i
++)
659 freesstring(trojanscan_chans
[i
].channel
);
660 tfree(trojanscan_chans
);
661 trojanscan_chans
= NULL
;
662 trojanscan_activechans
= 0;
666 void trojanscan_repool(void *arg
) {
667 if (trojanscan_generatepool() < TROJANSCAN_MINPOOLSIZE
) {
668 trojanscan_hostmode
= 0;
671 trojanscan_hostmode
= 1;
672 trojanscan_poolschedule
= scheduleoneshot(time(NULL
) + TROJANSCAN_POOL_REGENERATION
, &trojanscan_repool
, NULL
);
676 void trojanscan_registerclones(void *arg
) {
679 if (trojanscan_generatepool() < TROJANSCAN_MINPOOLSIZE
) {
680 trojanscan_hostmode
= 0;
681 trojanscan_cloneschedule
= scheduleoneshot(time(NULL
) + 10, &trojanscan_registerclones
, NULL
);
684 trojanscan_hostmode
= 1;
685 trojanscan_poolschedule
= scheduleoneshot(time(NULL
) + TROJANSCAN_POOL_REGENERATION
, &trojanscan_repool
, NULL
);
686 trojanscan_cloneschedule
= NULL
;
689 for (i
=0;i
<TROJANSCAN_CLONE_TOTAL
;i
++)
690 trojanscan_generateclone((void *)((long)i
));
691 trojanscan_mainchanmsg("n: swarm (%d clones) created.", TROJANSCAN_CLONE_TOTAL
);
692 trojanscan_swarm_created
= 1;
694 trojanscan_initialschedule
= scheduleoneshot(time(NULL
) + 60, &trojanscan_fill_channels
, NULL
);
697 int trojanscan_status(void *sender
, int cargc
, char **cargv
) {
698 nick
*np
= (nick
*)sender
;
699 trojanscan_log(np
, "status", "");
700 trojanscan_reply(np
, "Channels in schedule: %d", trojanscan_activechans
);
701 trojanscan_reply(np
, "Channels in database: %d", trojanscan_database
.total_channels
);
702 trojanscan_reply(np
, "Phrases: %d", trojanscan_database
.total_phrases
);
703 trojanscan_reply(np
, "Worms: %d", trojanscan_database
.total_worms
);
704 trojanscan_reply(np
, "Detections: %d", trojanscan_database
.detections
);
705 trojanscan_reply(np
, "Glines: %d", trojanscan_database
.glines
);
706 trojanscan_reply(np
, "Host/tail pool size: %d", TROJANSCAN_POOLSIZE
);
707 trojanscan_reply(np
, "Cycletime: %d", trojanscan_cycletime
);
708 trojanscan_reply(np
, "Clones: %d", TROJANSCAN_CLONE_TOTAL
);
712 int trojanscan_chanlist(void *sender
, int cargc
, char **cargv
) {
714 nick
*np
= (nick
*)sender
;
715 char buf
[CHANNELLEN
* 2 + 20];
716 trojanscan_reply(np
, "Channel list (%d total):", trojanscan_activechans
);
719 for(i
=0;i
<trojanscan_activechans
;i
++) {
720 if(trojanscan_chans
[i
].channel
->length
+ 3 > sizeof(buf
) - strlen(buf
)) {
721 trojanscan_reply(np
, "%s", buf
);
725 /* if splidge sees this I'm going to die */
726 strlcat(buf
, trojanscan_chans
[i
].channel
->content
, sizeof(buf
));
727 strlcat(buf
, " ", sizeof(buf
));
730 trojanscan_reply(np
, "%s", buf
);
732 trojanscan_reply(np
, "Done.");
736 int trojanscan_whois(void *sender
, int cargc
, char **cargv
) {
738 nick
*np
= (nick
*)sender
, *np2
;
742 trojanscan_reply(np
, "Not enough parameters.");
746 if (cargv
[0][0] == '#') {
747 tochange
= cargv
[0] + 1;
750 np2
= getnickbynick(cargv
[0]);
752 trojanscan_reply(np
, "That nickname is not on the network.");
755 for(i
=0;i
<TROJANSCAN_CLONE_TOTAL
;i
++) {
756 if(trojanscan_swarm
[i
].clone
->nick
&& !ircd_strcmp(trojanscan_swarm
[i
].clone
->nick
, np2
->nick
)) {
757 trojanscan_reply(np
, "Nickname : %s", np2
->nick
);
758 trojanscan_reply(np
, "Swarm : yes");
762 if (!IsAccount(np2
)) {
763 trojanscan_reply(np
, "User is not authed.");
766 tochange
= np2
->authname
;
769 templevel
= trojanscan_user_level_by_authname(tochange
);
770 if (templevel
== -1) {
771 trojanscan_reply(np
, "User does not exist.");
773 union trojanscan_userlevel flags
;
774 flags
.number
= templevel
;
775 trojanscan_reply(np
, "Authname : %s", tochange
);
776 trojanscan_reply(np
, "Flags : +" TROJANSCAN_FLAG_MASK
, TrojanscanFlagsInfo(flags
));
782 void trojanscan_privmsg_chan_or_nick(channel
*cp
, nick
*np
, char *message
, ...) {
786 if (!trojanscan_nick
)
789 va_start(va
, message
);
790 vsnprintf(buf
, sizeof(buf
) - 1, message
, va
);
794 sendmessagetochannel(trojanscan_nick
, cp
, "%s", buf
);
796 sendmessagetouser(trojanscan_nick
, np
, "%s", buf
);
801 int trojanscan_mew(void *sender
, int cargc
, char **cargv
) {
802 nick
*np
= (nick
*)sender
, *np2
= NULL
;
806 trojanscan_reply(np
, "Not enough paramaters.");
810 if(cargv
[0][0] == '#') {
811 if (!(cp
= findchannel(cargv
[0]))) {
812 trojanscan_reply(np
, "Channel not found.");
815 trojanscan_log(np
, "mew", "%s %s", cp
->index
->name
->content
, cargv
[1]);
817 if (!(np2
= getnickbynick(cargv
[0]))) {
818 trojanscan_reply(np
, "Nickname is not present on the network.");
821 trojanscan_log(np
, "mew", "%s %s", np2
->nick
, cargv
[1]);
824 trojanscan_privmsg_chan_or_nick(cp
, np2
, "\001ACTION mews hopefully at %s\001", cargv
[1]);
827 trojanscan_reply(np
, "Mewed at %s in %s.", cargv
[1], cp
->index
->name
->content
);
829 trojanscan_reply(np
, "Mewed at %s at %s.", cargv
[1], np2
->nick
);
833 trojanscan_mainchanmsg("n: mew: %s %s (%s/%s)", cargv
[1], cp
?cp
->index
->name
->content
:np2
->nick
, np
->nick
, np
->authname
);
838 int trojanscan_cat(void *sender
, int cargc
, char **cargv
) {
839 nick
*np
= (nick
*)sender
, *np2
= NULL
;
845 trojanscan_reply(np
, "Not enough paramaters.");
849 if(cargv
[0][0] == '#') {
850 if (!(cp
= findchannel(cargv
[0]))) {
851 trojanscan_reply(np
, "Channel not found.");
854 trojanscan_log(np
, "cat", cp
->index
->name
->content
);
856 if (!(np2
= getnickbynick(cargv
[0]))) {
857 trojanscan_reply(np
, "Nickname is not present on the network.");
860 trojanscan_log(np
, "cat", np2
->nick
);
863 if ((!(cat
= fopen(TROJANSCAN_CAT
, "r")))) {
864 trojanscan_reply(np
, "Unable to open cat!");
868 while (fgets(buf
, sizeof(buf
) - 1, cat
)) {
869 if ((p
= strchr(buf
, '\n'))) {
871 trojanscan_privmsg_chan_or_nick(cp
, np2
, "%s", buf
);
872 } else if (feof(cat
)) {
873 trojanscan_privmsg_chan_or_nick(cp
, np2
, "%s", buf
);
880 trojanscan_reply(np
, "Spammed cat in %s.", cp
->index
->name
->content
);
882 trojanscan_reply(np
, "Spammed cat at %s.", np2
->nick
);
888 int trojanscan_reschedule(void *sender
, int cargc
, char **cargv
) {
889 nick
*np
= (nick
*)sender
;
890 trojanscan_log(np
, "reschedule", "");
891 trojanscan_fill_channels(NULL
);
893 trojanscan_reply(np
, "Rescheduled.");
897 int trojanscan_listusers(void *sender
, int cargc
, char **cargv
) {
898 nick
*np
= (nick
*)sender
;
900 trojanscan_log(np
, "listusers", "");
902 trojanscan_reply(np
, "User list:");
904 if (!(trojanscan_database_query("SELECT authname, authlevel FROM users ORDER BY authlevel DESC, authname"))) {
905 trojanscan_database_res
*res
;
906 if ((res
= trojanscan_database_store_result(&trojanscan_sql
))) {
907 if (trojanscan_database_num_rows(res
)) {
908 trojanscan_database_row sqlrow
;
909 union trojanscan_userlevel flags
;
910 while((sqlrow
= trojanscan_database_fetch_row(res
))) {
911 flags
.number
= atoi(sqlrow
[1]);
912 trojanscan_reply(np
, "%s +" TROJANSCAN_FLAG_MASK
, sqlrow
[0], TrojanscanIsDeveloper(flags
) ? "d" : "", TrojanscanIsTeamLeader(flags
) ? "t" : "", TrojanscanIsStaff(flags
) ? "s" : "", TrojanscanIsWebsite(flags
) ? "w" : "", TrojanscanIsCat(flags
) ? "c" : "");
915 trojanscan_database_free_result(res
);
919 trojanscan_reply(np
, "Done.");
923 int trojanscan_help(void *sender
, int cargc
, char **cargv
) {
924 nick
*np
= (nick
*)sender
;
927 trojanscan_reply(np
, "Not enough parameters.");
931 if (!strcasecmp("help", cargv
[0])) {
932 trojanscan_reply(np
, "Syntax: help <command name>");
933 trojanscan_reply(np
, "Gives help on commands.");
934 } else if (!strcasecmp("status", cargv
[0])) {
935 trojanscan_reply(np
, "Syntax: status");
936 trojanscan_reply(np
, "Gives statistical information about the bot.");
937 } else if (!strcasecmp("join", cargv
[0])) {
938 trojanscan_reply(np
, "Syntax: join <#channel>");
939 trojanscan_reply(np
, "Orders a clone to join supplied channel.");
940 } else if (!strcasecmp("showcommands", cargv
[0])) {
941 trojanscan_reply(np
, "Syntax: showcommands");
942 trojanscan_reply(np
, "Pretty obvious.");
943 } else if (!strcasecmp("hello", cargv
[0])) {
944 trojanscan_reply(np
, "Syntax: hello ?nickname?");
945 trojanscan_reply(np
, "Creates a new user.");
946 } else if (!strcasecmp("rehash", cargv
[0])) {
947 trojanscan_reply(np
, "Syntax: rehash");
948 trojanscan_reply(np
, "Reloads bot database.");
949 } else if (!strcasecmp("changelev", cargv
[0])) {
950 trojanscan_reply(np
, "Syntax: changelev <nickname or #authname> <flags>");
951 trojanscan_reply(np
, "Changes access flags of selected user to supplied input.");
952 trojanscan_reply(np
, "+d -> developer");
953 trojanscan_reply(np
, "+t -> team leader");
954 trojanscan_reply(np
, "+s -> staff");
955 trojanscan_reply(np
, "+w -> web management");
956 trojanscan_reply(np
, "+c -> cat access");
957 } else if (!strcasecmp("deluser", cargv
[0])) {
958 trojanscan_reply(np
, "Syntax: deluser <nickname or #authname>");
959 trojanscan_reply(np
, "Deletes selected user from my database.");
960 } else if (!strcasecmp("mew", cargv
[0])) {
961 trojanscan_reply(np
, "Syntax: mew <#channel or nickname> <nickname>");
962 trojanscan_reply(np
, "Gracefully mews at target in selected channel or query.");
963 } else if (!strcasecmp("cat", cargv
[0])) {
964 trojanscan_reply(np
, "Syntax: cat <#channel or nickname>");
965 trojanscan_reply(np
, "Shows the almightly cat.");
966 } else if (!strcasecmp("reschedule", cargv
[0])) {
967 trojanscan_reply(np
, "Syntax: reschedule");
968 trojanscan_reply(np
, "Recalculates bots schedule.");
969 } else if (!strcasecmp("chanlist", cargv
[0])) {
970 trojanscan_reply(np
, "Syntax: chanlist");
971 trojanscan_reply(np
, "Displays bots current channel list.");
972 } else if (!strcasecmp("whois", cargv
[0])) {
973 trojanscan_reply(np
, "Syntax: whois <nickname or #authname>");
974 trojanscan_reply(np
, "Displays information on given user.");
975 } else if (!strcasecmp("whois", cargv
[0])) {
976 trojanscan_reply(np
, "Syntax: listusers <flags>");
977 trojanscan_reply(np
, "Displays users with listusersing flags.");
979 trojanscan_reply(np
, "Command not found.");
986 int trojanscan_hello(void *sender
, int cargc
, char **cargv
) {
987 nick
*np
= (nick
*)sender
, *toadd
;
988 char eaccount
[TROJANSCAN_QUERY_TEMP_BUF_SIZE
];
992 toadd
= getnickbynick(cargv
[0]);
994 trojanscan_reply(np
, "That nickname is not on the network.");
997 if (!IsAccount(toadd
)) {
998 trojanscan_reply(np
, "That user is not authed with the network.");
1002 if (!IsAccount(np
)) {
1003 trojanscan_reply(np
, "You are not authed with the network, auth before creating your user.");
1009 if (trojanscan_user_level_by_authname(toadd
->authname
)!=-1) {
1010 trojanscan_reply(np
, "Authname (%s) is already on file.", toadd
->authname
);
1014 trojanscan_log(np
, "hello", toadd
->authname
);
1016 if (!(trojanscan_database_query("SELECT id FROM users LIMIT 1"))) {
1017 trojanscan_database_res
*res
;
1018 if ((res
= trojanscan_database_store_result(&trojanscan_sql
))) {
1019 if (trojanscan_database_num_rows(res
) == 0)
1020 level
= TROJANSCAN_ACL_DEVELOPER
| TROJANSCAN_ACL_STAFF
| TROJANSCAN_ACL_WEBSITE
| TROJANSCAN_ACL_CAT
;
1021 trojanscan_database_free_result(res
);
1025 trojanscan_database_escape_string(eaccount
, toadd
->authname
, strlen(toadd
->authname
));
1026 trojanscan_database_query("INSERT INTO users (authname, authlevel) VALUES ('%s', %d)", eaccount
, level
);
1027 trojanscan_reply(np
, "Account added to database, account %s%s.", toadd
->authname
, level
>0?" (first user so developer access)":"");
1032 int trojanscan_user_level_by_authname(char *authname
) {
1033 int result
= -1, sl
= strlen(authname
);
1034 char eaccount
[TROJANSCAN_QUERY_TEMP_BUF_SIZE
];
1036 trojanscan_database_escape_string(eaccount
, authname
, sl
);
1037 if (!(trojanscan_database_query("SELECT authlevel, authname FROM users WHERE authname = '%s'", eaccount
))) {
1038 trojanscan_database_res
*res
;
1039 if ((res
= trojanscan_database_store_result(&trojanscan_sql
))) {
1040 if (trojanscan_database_num_rows(res
) > 0) {
1041 trojanscan_database_row sqlrow
= trojanscan_database_fetch_row(res
);
1042 result
= atoi(sqlrow
[0]);
1043 strlcpy(authname
, sqlrow
[1], sl
+ 1);
1045 trojanscan_database_free_result(res
);
1051 int trojanscan_user_id_by_authname(char *authname
) {
1053 char eaccount
[TROJANSCAN_QUERY_TEMP_BUF_SIZE
];
1055 trojanscan_database_escape_string(eaccount
, authname
, strlen(authname
));
1056 if (!(trojanscan_database_query("SELECT id FROM users WHERE authname = '%s'", eaccount
))) {
1057 trojanscan_database_res
*res
;
1058 if ((res
= trojanscan_database_store_result(&trojanscan_sql
))) {
1059 if (trojanscan_database_num_rows(res
) > 0) {
1060 trojanscan_database_row sqlrow
= trojanscan_database_fetch_row(res
);
1061 result
= atoi(sqlrow
[0]);
1063 trojanscan_database_free_result(res
);
1069 struct trojanscan_clones
*trojanscan_selectclone(char type
) {
1070 struct trojanscan_clones
*rc
;
1071 int randomclone
, hits
= 0, minlimit
, maxlimit
;
1073 if(type
== TROJANSCAN_WATCH_CLONES
) {
1074 minlimit
= TROJANSCAN_CLONE_MAX
;
1075 maxlimit
= minlimit
+ TROJANSCAN_WATCHCLONE_MAX
- 1;
1078 maxlimit
= TROJANSCAN_CLONE_MAX
- 1;
1082 randomclone
= trojanscan_minmaxrand(minlimit
, maxlimit
);
1085 rc
= &trojanscan_swarm
[randomclone
];
1086 if ((type
== TROJANSCAN_NORMAL_CLONES
) && (rc
->sitting
== 0) && (rc
->remaining
== 0))
1089 } while (rc
->remaining
== 0);
1091 if(type
== TROJANSCAN_NORMAL_CLONES
) {
1092 if ((rc
->sitting
== 0) && (rc
->remaining
== 0)) {
1093 if ((!rc
->remaining
) && (!rc
->sitting
)) {
1095 deregisterlocaluser(rc
->clone
, NULL
);
1096 derefnode(iptree
, rc
->fakeipnode
);
1099 trojanscan_generateclone((void *)((long)rc
->index
));
1108 /* hack hack hack */
1109 int trojanscan_nickbanned(trojanscan_clones
*np
, channel
*cp
) {
1111 patricia_node_t
*realipnode
= np
->clone
->ipnode
;
1113 np
->clone
->ipnode
= np
->fakeipnode
;
1115 ret
= nickbanned(np
->clone
, cp
, 0);
1117 np
->clone
->ipnode
= realipnode
;
1122 struct trojanscan_realchannels
*trojanscan_allocaterc(char *chan
) {
1123 struct trojanscan_realchannels
*rc
;
1124 struct trojanscan_clones
*clonep
;
1126 int attempts_left
= 10;
1129 trojanscan_errorcode
= 1; /* sorry splidge ;( */
1133 if(chan
[0] != '#') {
1134 trojanscan_errorcode
= 2;
1138 if (strlen(chan
) > 1) {
1139 if(strrchr(chan
, ',')) {
1140 trojanscan_errorcode
= 3;
1144 if(strrchr(chan
, ' ')) {
1145 trojanscan_errorcode
= 4;
1150 cp
= findchannel(chan
);
1152 trojanscan_errorcode
= 5;
1157 clonep
= trojanscan_selectclone(TROJANSCAN_NORMAL_CLONES
);
1159 trojanscan_errorcode
= 6;
1162 if(!trojanscan_nickbanned(clonep
, cp
))
1164 } while (--attempts_left
> 0);
1166 if (!attempts_left
) {
1167 trojanscan_errorcode
= 7;
1171 rc
= (struct trojanscan_realchannels
*)tmalloc(sizeof(struct trojanscan_realchannels
));
1181 void trojanscan_join(struct trojanscan_realchannels
*rc
) {
1182 struct trojanscan_realchannels
*rp
= trojanscan_realchanlist
;
1184 if (rc
->clone
&& rc
->clone
->clone
) {
1185 if (!localjoinchannel(rc
->clone
->clone
, rc
->chan
)) {
1186 rc
->clone
->remaining
--;
1187 rc
->clone
->sitting
++;
1188 if (trojanscan_minmaxrand(1, TROJANSCAN_NICKCHANGE_ODDS
)%TROJANSCAN_NICKCHANGE_ODDS
== 0)
1189 trojanscan_donickchange((void *)rc
->clone
);
1191 rc
->schedule
= scheduleoneshot(time(NULL
)+trojanscan_part_time
, &trojanscan_dopart
, (void *)rc
);
1194 for(;rp
->next
;rp
=rp
->next
);
1197 trojanscan_realchanlist
= rc
;
1204 int trojanscan_userjoin(void *sender
, int cargc
, char **cargv
) {
1205 nick
*np
= (nick
*)sender
;
1206 struct trojanscan_realchannels
*rc
;
1209 trojanscan_reply(np
, "Not enough paramaters");
1213 if (!trojanscan_swarm_created
) {
1214 trojanscan_reply(np
, "My swarm is currently empty.");
1218 if((rc
= trojanscan_allocaterc(cargv
[0]))) {
1219 trojanscan_log(np
, "join", cargv
[0]);
1220 trojanscan_join(rc
);
1221 trojanscan_reply(np
, "Clone has joined channel.");
1223 trojanscan_mainchanmsg("n: join: %s (%s/%s)", cargv
[0], np
->nick
, np
->authname
);
1225 if (trojanscan_errorcode
== 5) {
1226 trojanscan_reply(np
, "Not joining empty channel, check you entered the correct channel name.");
1228 trojanscan_reply(np
, "Clone could not join channel (error code %d)!", trojanscan_errorcode
);
1234 int trojanscan_rehash(void *sender
, int cargc
, char **cargv
) {
1235 nick
*np
= (void *)sender
;
1236 trojanscan_refresh_settings();
1237 trojanscan_read_database(0);
1238 trojanscan_log(np
, "rehash", "");
1239 trojanscan_reply(np
, "Done.");
1243 int trojanscan_changelev(void *sender
, int cargc
, char **cargv
) {
1244 nick
*np
= (nick
*)sender
, *np2
;
1246 char eaccount
[TROJANSCAN_QUERY_TEMP_BUF_SIZE
], *tochange
, *p
, mode
= 1, error
= 0, clast
= 0, specialcase
;
1247 union trojanscan_userlevel flags1
, flags2
;
1250 trojanscan_reply(np
, "Not enough parameters.");
1254 templevel
= trojanscan_user_level_by_authname(np
->authname
);
1256 if (templevel
== -1) {
1257 trojanscan_reply(np
, "You do not have an account.");
1261 flags1
.number
= templevel
;
1263 if (cargv
[0][0] == '#') {
1264 tochange
= cargv
[0] + 1;
1266 np2
= getnickbynick(cargv
[0]);
1268 trojanscan_reply(np
, "That nickname is not on the network.");
1271 if (!IsAccount(np2
)) {
1272 trojanscan_reply(np
, "That user is not authed with the network.");
1275 tochange
= np2
->authname
;
1278 templevel
= trojanscan_user_level_by_authname(tochange
);
1280 if (templevel
== -1) {
1281 trojanscan_reply(np
, "User does not exist.");
1285 flags2
.number
= templevel
;
1287 if (!ircd_strcmp(np
->authname
, tochange
)) {
1293 for (p
=cargv
[1];*p
;p
++) {
1300 if (!TrojanscanIsDeveloper(flags1
))
1302 flags2
.values
.developer
= mode
;
1305 if (!TrojanscanIsDeveloper(flags1
))
1307 flags2
.values
.teamleader
= mode
;
1310 if (!TrojanscanIsLeastTeamLeader(flags1
))
1312 flags2
.values
.staff
= mode
;
1315 if (!TrojanscanIsDeveloper(flags1
))
1317 flags2
.values
.website
= mode
;
1320 if (!TrojanscanIsDeveloper(flags1
))
1322 flags2
.values
.cat
= mode
;
1330 if (specialcase
&& !mode
) { /* allow user to remove their own flags */
1341 trojanscan_reply(np
, "Unknown mode: %c%c.", mode
?'+':'-', *p
);
1343 trojanscan_reply(np
, "You have insufficient privilidges to add/remove one or more flags specified.");
1348 trojanscan_log(np
, "changelev", "%s %s", tochange
, cargv
[1]);
1349 trojanscan_database_escape_string(eaccount
, tochange
, strlen(tochange
));
1350 trojanscan_database_query("UPDATE users SET authlevel = %d WHERE authname = '%s'", flags2
.number
, eaccount
);
1352 trojanscan_reply(np
, "Flags changed.");
1357 int trojanscan_deluser(void *sender
, int cargc
, char **cargv
) {
1358 nick
*np
= (nick
*)sender
, *to
;
1360 char eaccount
[TROJANSCAN_QUERY_TEMP_BUF_SIZE
], *account
;
1361 union trojanscan_userlevel flags1
, flags2
;
1364 trojanscan_reply(np
, "Not enough parameters.");
1368 if (cargv
[0][0] == '#') {
1369 account
= cargv
[0] + 1;
1371 to
= getnickbynick(cargv
[0]);
1373 trojanscan_reply(np
, "That nickname is not on the network.");
1376 if (!IsAccount(to
)) {
1377 trojanscan_reply(np
, "That user is not authed with the network.");
1380 account
= to
->authname
;
1383 flags1
.number
= trojanscan_user_level_by_authname(np
->authname
);
1384 templevel
= trojanscan_user_level_by_authname(account
);
1386 if (templevel
== -1) {
1387 trojanscan_reply(np
, "Auth %s does not exist.", account
);
1391 flags2
.number
= templevel
;
1393 if (!TrojanscanIsDeveloper(flags1
) && TrojanscanIsLeastTeamLeader(flags2
)) {
1394 trojanscan_reply(np
, "Your cannot delete %s as his/her flags equal or surpass your own.", account
);
1398 trojanscan_log(np
, "deluser", account
);
1399 trojanscan_database_escape_string(eaccount
, account
, strlen(account
));
1400 trojanscan_database_query("DELETE FROM users WHERE authname = '%s'", eaccount
);
1401 trojanscan_reply(np
, "User deleted.");
1406 int trojanscan_add_ll(struct trojanscan_prechannels
**head
, struct trojanscan_prechannels
*newitem
) {
1407 struct trojanscan_prechannels
*position
, *lastitem
= NULL
, *location
= NULL
;
1410 newitem
->next
= NULL
;
1411 if (newitem
->exempt
) {
1417 /* if its exempt, we don't give a monkeys where it is... */
1418 if (newitem
->exempt
) {
1419 newitem
->next
= *head
;
1424 for(position
=*head
;position
;lastitem
=position
,position
=position
->next
) {
1425 if (!ircd_strcmp(position
->name
->content
, newitem
->name
->content
)) {
1429 if (!location
&& (position
->size
< newitem
->size
)) {
1433 location
= lastitem
;
1438 newitem
->next
= NULL
;
1439 lastitem
->next
= newitem
;
1441 newitem
->next
= location
->next
;
1442 location
->next
= newitem
;
1444 if(newitem
->exempt
) {
1451 void trojanscan_watch_clone_update(struct trojanscan_prechannels
*hp
, int count
) {
1453 struct trojanscan_prechannels
*lp
;
1454 struct trojanscan_templist
*markedlist
= NULL
;
1457 markedlist
= (struct trojanscan_templist
*)tmalloc(count
* sizeof(struct trojanscan_templist
));
1460 memset(markedlist
, 0, sizeof(struct trojanscan_templist
) * count
);
1463 for(i
=0;i
<trojanscan_activechans
;i
++) {
1466 for(lp
=hp
,j
=0;j
<count
&&lp
;j
++,lp
=lp
->next
) {
1467 if(!markedlist
[j
].active
&& !lp
->exempt
&& !ircd_strcmp(lp
->name
->content
, trojanscan_chans
[i
].channel
->content
)) { /* we're already on the channel */
1468 if(trojanscan_chans
[i
].watch_clone
) {
1469 markedlist
[j
].active
= 1;
1470 markedlist
[j
].watch_clone
= trojanscan_chans
[i
].watch_clone
;
1471 lp
->watch_clone
= trojanscan_chans
[i
].watch_clone
;
1478 if(!marked
&& trojanscan_chans
[i
].watch_clone
) {
1479 channel
*cp
= findchannel(trojanscan_chans
[i
].channel
->content
);
1481 localpartchannel(trojanscan_chans
[i
].watch_clone
->clone
, cp
, NULL
);
1488 for(j
=0,lp
=hp
;j
<count
&&lp
;j
++,lp
=lp
->next
) {
1489 if((!markedlist
[j
].active
|| !markedlist
[j
].watch_clone
) && !lp
->exempt
) {
1490 channel
*cp
= findchannel(lp
->name
->content
);
1494 lp
->watch_clone
= trojanscan_selectclone(TROJANSCAN_WATCH_CLONES
);
1495 if(!lp
->watch_clone
)
1497 if(!trojanscan_nickbanned(lp
->watch_clone
, cp
)) {
1498 if(localjoinchannel(lp
->watch_clone
->clone
, cp
))
1499 lp
->watch_clone
= NULL
;
1502 } while(--attempts
> 0);
1504 lp
->watch_clone
= NULL
;
1513 void trojanscan_fill_channels(void *arg
) {
1514 struct trojanscan_prechannels
*head
= NULL
, *lp
, *last
= NULL
;
1515 int i
, count
, tempctime
= 0;
1519 for (count
=i
=0;i
<trojanscan_database
.total_channels
;i
++) {
1520 lp
= (trojanscan_prechannels
*)tmalloc(sizeof(trojanscan_prechannels
));
1521 lp
->name
= trojanscan_database
.channels
[i
].name
;
1523 lp
->exempt
= trojanscan_database
.channels
[i
].exempt
;
1524 lp
->watch_clone
= NULL
;
1525 if (trojanscan_add_ll(&head
, lp
))
1529 for (i
=0;i
<CHANNELHASHSIZE
;i
++) {
1530 for(chn
=chantable
[i
];chn
;chn
=chn
->next
) {
1531 if (chn
->channel
&& !IsKey(chn
->channel
) && !IsInviteOnly(chn
->channel
) && !IsRegOnly(chn
->channel
) && (chn
->channel
->users
->totalusers
>= trojanscan_minchansize
)) {
1532 lp
= (trojanscan_prechannels
*)tmalloc(sizeof(trojanscan_prechannels
));
1533 lp
->name
= chn
->name
;
1534 lp
->size
= chn
->channel
->users
->totalusers
;
1536 lp
->watch_clone
= NULL
;
1537 if (trojanscan_add_ll(&head
, lp
))
1543 count
= TROJANSCAN_MMIN(count
, trojanscan_maxchans
);
1545 trojanscan_watch_clone_update(head
, count
);
1547 trojanscan_free_channels();
1548 trojanscan_chans
= (struct trojanscan_inchannel
*)tmalloc(count
* sizeof(struct trojanscan_inchannel
));
1549 memset(trojanscan_chans
, 0, count
* sizeof(struct trojanscan_inchannel
));
1550 trojanscan_activechans
= count
;
1553 for(lp
=head
;lp
;last
=lp
,lp
=lp
->next
) {
1554 if (!(lp
->exempt
) && (i
< count
)) {
1555 trojanscan_chans
[i
].channel
= getsstring(lp
->name
->content
, lp
->name
->length
);
1556 trojanscan_chans
[i
++].watch_clone
= lp
->watch_clone
;
1565 if (trojanscan_activechans
> 0) {
1566 tempctime
= trojanscan_cycletime
/ trojanscan_activechans
;
1569 trojanscan_mainchanmsg("d: just escaped a divide by zero error (no activechans!), rescheduling in 60 seconds");
1572 if(trojanscan_schedule
)
1573 deleteschedule(trojanscan_schedule
, &trojanscan_dojoin
, NULL
);
1575 trojanscan_channumber
= 0;
1577 trojanscan_schedule
= schedulerecurring(time(NULL
) + tempctime
, trojanscan_activechans
+ 1, tempctime
, trojanscan_dojoin
, NULL
);
1581 void trojanscan_dojoin(void *arg
) {
1582 struct trojanscan_realchannels
*rc
;
1583 if (trojanscan_channumber
>= trojanscan_activechans
) {
1584 trojanscan_schedule
= NULL
;
1585 trojanscan_fill_channels(NULL
);
1587 if ((rc
= trojanscan_allocaterc(trojanscan_chans
[trojanscan_channumber
++].channel
->content
)))
1588 trojanscan_join(rc
);
1593 void trojanscan_dopart(void *arg
) {
1594 struct trojanscan_realchannels
*rc
= (struct trojanscan_realchannels
*)arg
, *rp
, *past
= NULL
;
1596 if (rc
->kickedout
) { /* there's a join scheduled, wait for it (reschedule) */
1597 rc
->schedule
= scheduleoneshot(time(NULL
)+5, &trojanscan_dopart
, (void *)rc
);
1601 if (rc
->clone
->clone
&& (!(rc
->donotpart
)))
1602 localpartchannel(rc
->clone
->clone
, rc
->chan
, NULL
);
1604 rc
->clone
->sitting
--;
1606 for(rp
=trojanscan_realchanlist
;rp
;rp
=rp
->next
) {
1609 trojanscan_realchanlist
= rp
->next
;
1611 past
->next
= rp
->next
;
1621 void trojanscan_donickchange(void *arg
) { /* just incase I choose to make this schedule at some point */
1622 struct trojanscan_clones
*clone
= (trojanscan_clones
*)arg
;
1623 if (clone
&& clone
->clone
) {
1624 char c_nick
[NICKLEN
+1];
1626 /* PPA: unlikely to be infinite */
1628 if ((loops
++ < 10) && trojanscan_hostmode
) {
1629 trojanscan_generatenick(c_nick
, NICKLEN
);
1631 trojanscan_gennick(c_nick
, trojanscan_minmaxrand(7, TROJANSCAN_MMIN(13, NICKLEN
)));
1633 } while (c_nick
[0] && (getnickbynick(c_nick
) != NULL
));
1635 renamelocaluser(clone
->clone
, c_nick
);
1640 int trojanscan_keysort(const void *v1
, const void *v2
) {
1641 return ((*(trojanscan_prechannels
**)v2
)->size
- (*(trojanscan_prechannels
**)v1
)->size
);
1644 int trojanscan_showcommands(void *sender
, int cargc
, char **cargv
) {
1645 nick
*np
= (nick
*)sender
;
1646 Command
*cmdlist
[100];
1650 n
= getcommandlist(trojanscan_cmds
, cmdlist
, 100);
1652 trojanscan_reply(np
, "The following commands are registered at present:");
1655 if (cmdlist
[i
]->level
& TROJANSCAN_ACL_STAFF
) {
1657 } else if (cmdlist
[i
]->level
& TROJANSCAN_ACL_DEVELOPER
) {
1659 } else if (cmdlist
[i
]->level
& TROJANSCAN_ACL_TEAMLEADER
) {
1661 } else if (cmdlist
[i
]->level
& TROJANSCAN_ACL_CAT
) {
1663 } else if (cmdlist
[i
]->level
& TROJANSCAN_ACL_WEBSITE
) {
1665 } else if (cmdlist
[i
]->level
& TROJANSCAN_ACL_UNAUTHED
) {
1669 trojanscan_reply(np
, "%s (+%c)", cmdlist
[i
]->command
->content
, level
);
1671 trojanscan_reply(np
, "%s", cmdlist
[i
]->command
->content
);
1674 trojanscan_reply(np
, "End of list.");
1678 void trojanscan_handlemessages(nick
*target
, int messagetype
, void **args
) {
1681 int cargc
, templevel
;
1683 union trojanscan_userlevel level
;
1685 switch(messagetype
) {
1688 /* If it's a message, first arg is nick and second is message */
1689 sender
= (nick
*)args
[0];
1691 if(strncmp(TROJANSCAN_VERSION_DETECT
, args
[1], sizeof(TROJANSCAN_VERSION_DETECT
)-1)==0) {
1692 char p
= ((char *)args
[1])[sizeof(TROJANSCAN_VERSION_DETECT
)-1];
1693 if((p
== ' ') || (p
== '\0') || (p
== 1)) {
1694 trojanscan_reply(sender
, "\001VERSION Trojanscan (or Tigger) Newserv module version %s by Chris Porter (slug), Newserv by David Mansell (splidge). Compiled " __DATE__
" " __TIME__
".\001", TROJANSCAN_VERSION
);
1699 /* Split the line into params */
1700 cargc
= splitline((char *)args
[1], cargv
, 50, 0);
1701 if(cargc
== 0 || !cargv
[0])
1704 cmd
=findcommandintree(trojanscan_cmds
, cargv
[0], 1);
1706 trojanscan_reply(sender
, "Unknown command.");
1710 if ((cmd
->level
& TROJANSCAN_ACL_OPER
) && !IsOper(sender
)) {
1711 trojanscan_reply(sender
, "You need to be opered to use this command.");
1715 /* bit grim code... */
1717 if (!(cmd
->level
& TROJANSCAN_ACL_UNAUTHED
)) {
1718 if (!IsAccount(sender
)) {
1719 trojanscan_reply(sender
, "You must be authed with the network to access this command!");
1722 templevel
= trojanscan_user_level_by_authname(sender
->authname
);
1724 if (templevel
== -1) {
1725 trojanscan_reply(sender
, "You do not have an account.");
1729 level
.number
= templevel
;
1731 if ((cmd
->level
& TROJANSCAN_ACL_DEVELOPER
) && !TrojanscanIsDeveloper(level
)) {
1732 trojanscan_reply(sender
, "Access denied.");
1735 if ((cmd
->level
& TROJANSCAN_ACL_TEAMLEADER
) && !TrojanscanIsLeastTeamLeader(level
)) {
1736 trojanscan_reply(sender
, "Access denied.");
1739 if ((cmd
->level
& TROJANSCAN_ACL_STAFF
) && !TrojanscanIsLeastStaff(level
)) {
1740 trojanscan_reply(sender
, "Access denied.");
1743 if ((cmd
->level
& TROJANSCAN_ACL_CAT
) && !TrojanscanIsCat(level
)) {
1744 trojanscan_reply(sender
, "Access denied.");
1747 if ((cmd
->level
& TROJANSCAN_ACL_WEBSITE
) && !TrojanscanIsLeastWebsite(level
)) {
1748 trojanscan_reply(sender
, "Access denied.");
1753 /* Check the maxargs */
1754 if (cmd
->maxparams
<(cargc
-1)) {
1755 /* We need to do some rejoining */
1756 rejoinline(cargv
[cmd
->maxparams
], cargc
-(cmd
->maxparams
));
1757 cargc
= (cmd
->maxparams
) + 1;
1760 (cmd
->handler
)((void *)sender
, cargc
- 1, &(cargv
[1]));
1764 /* someone killed me? Bastards */
1765 trojanscan_connect_nick_schedule
= scheduleoneshot(time(NULL
) + 1, &trojanscan_connect_nick
, NULL
);
1766 trojanscan_nick
= NULL
;
1774 static char trojanscan_getmtfromhooktype(int input
) {
1776 case HOOK_CHANNEL_PART
: return 'P';
1777 default: return '?';
1781 char trojanscan_getmtfrommessagetype(int input
) {
1783 case LU_PRIVMSG
: return 'm';
1784 case LU_PRIVNOTICE
: return 'n';
1785 case LU_SECUREMSG
: return 's';
1786 case LU_CHANMSG
: return 'M';
1787 case LU_CHANNOTICE
: return 'N';
1788 default: return '?';
1792 static void trojanscan_process(nick
*sender
, channel
*cp
, char mt
, char *pretext
) {
1796 struct trojanscan_worms
*worm
;
1797 int vector
[30], detected
= 0;
1799 trojanscan_strip_codes(text
, sizeof(text
) - 1, pretext
);
1803 for(i
=0;i
<trojanscan_database
.total_phrases
;i
++) {
1806 (worm
= trojanscan_database
.phrases
[i
].worm
)
1811 (mt
== 'm') || (mt
== 's') || (mt
== 'n')
1814 (trojanscan_database
.phrases
[i
].worm
->hitpriv
)
1819 (mt
== 'M') || (mt
== 'N') || (mt
== 'P')
1822 (trojanscan_database
.phrases
[i
].worm
->hitchans
)
1826 (trojanscan_database
.phrases
[i
].phrase
)
1828 int pre
= pcre_exec(trojanscan_database
.phrases
[i
].phrase
, trojanscan_database
.phrases
[i
].hint
, text
, len
, 0, 0, vector
, 30);
1832 matchbuf
[512] = 0; /* hmm */
1835 if(pcre_copy_substring(text
, vector
, pre
, 1, matchbuf
, sizeof(matchbuf
) - 1) <= 0)
1838 trojanscan_phrasematch(cp
, sender
, &trojanscan_database
.phrases
[i
], mt
, matchbuf
);
1845 if (!detected
&& (mt
!= 'N') && (mt
!= 'M')) {
1846 char etext
[TROJANSCAN_QUERY_TEMP_BUF_SIZE
], enick
[TROJANSCAN_QUERY_TEMP_BUF_SIZE
], eident
[TROJANSCAN_QUERY_TEMP_BUF_SIZE
], ehost
[TROJANSCAN_QUERY_TEMP_BUF_SIZE
];
1847 trojanscan_database_escape_string(etext
, text
, len
);
1848 trojanscan_database_escape_string(enick
, sender
->nick
, strlen(sender
->nick
));
1849 trojanscan_database_escape_string(eident
, sender
->ident
, strlen(sender
->ident
));
1850 trojanscan_database_escape_string(ehost
, sender
->host
->name
->content
, sender
->host
->name
->length
);
1851 trojanscan_database_query("INSERT INTO unknownlog (data, user) VALUES ('%s','%s!%s@%s')", etext
, enick
, eident
, ehost
);
1855 void trojanscan_clonehandlemessages(nick
*target
, int messagetype
, void **args
) {
1856 char *pretext
= NULL
;
1858 struct trojanscan_realchannels
*rp
;
1859 struct trojanscan_rejoinlist
*rj
;
1860 char mt
= trojanscan_getmtfrommessagetype(messagetype
);
1865 switch(messagetype
) {
1870 pretext
= (char *)args
[1];
1874 sender
= (nick
*)args
[0];
1876 if (strlen(sender
->nick
) < 2)
1880 pretext
= (char *)args
[2];
1884 if(strncmp(TROJANSCAN_VERSION_DETECT
, pretext
, sizeof(TROJANSCAN_VERSION_DETECT
)-1)==0) {
1885 char p
= pretext
[sizeof(TROJANSCAN_VERSION_DETECT
)-1];
1886 if((p
== ' ') || (p
== '\0') || (p
== 1)) {
1888 if (IsOper(sender
)) {
1891 if (IsAccount(sender
)) {
1892 int templevel
= trojanscan_user_level_by_authname(sender
->authname
);
1893 if (templevel
!= -1) {
1894 union trojanscan_userlevel level
;
1895 level
.number
= templevel
;
1896 if (TrojanscanIsLeastStaff(level
))
1902 if(trojanscan_nick
) {
1903 sendnoticetouser(target
, sender
, "\001VERSION T clone, check T for confirmation.\001");
1904 sendnoticetouser(trojanscan_nick
, sender
, "\001VERSION %s is part of my swarm.\001", target
->nick
);
1906 sendnoticetouser(target
, sender
, "\001VERSION T clone, though since T is currently gone you'll have to version me again in a minute for confirmation.\001");
1909 sendnoticetouser(target
, sender
, "\001VERSION %s\001", versionreply
);
1916 trojanscan_process(sender
, cp
, mt
, pretext
);
1919 /* someone killed me? Bastards */
1921 /* PPA: we do NOT rejoin channels at this moment in time, it is possible to do this though */
1922 for (i
=0;i
<TROJANSCAN_CLONE_TOTAL
;i
++) {
1923 if (trojanscan_swarm
[i
].clone
== target
) {
1925 scheduleoneshot(time(NULL
)+1, &trojanscan_generateclone
, (void *)((long)i
));
1926 if(i
>= TROJANSCAN_CLONE_MAX
) {
1928 for(j
=0;j
<trojanscan_activechans
;j
++)
1929 if(trojanscan_chans
[j
].watch_clone
== &trojanscan_swarm
[i
])
1930 trojanscan_chans
[j
].watch_clone
= NULL
;
1932 for(rp
=trojanscan_realchanlist
;rp
;rp
=rp
->next
)
1933 if (rp
->clone
== &(trojanscan_swarm
[i
]))
1936 derefnode(iptree
, trojanscan_swarm
[i
].fakeipnode
);
1937 trojanscan_swarm
[i
].clone
= NULL
;
1938 trojanscan_swarm
[i
].remaining
= 0; /* bah */
1945 channel_name
= ((channel
*)args
[1])->index
->name
->content
;
1946 for (i
=0;i
<trojanscan_activechans
;i
++) {
1947 if (!trojanscan_chans
[i
].watch_clone
)
1949 if ((trojanscan_chans
[i
].watch_clone
->clone
== target
) && (!strcmp(trojanscan_chans
[i
].channel
->content
, channel_name
)))
1952 if(i
!= trojanscan_activechans
) {
1954 for(j
=0;j
<TROJANSCAN_CLONE_TOTAL
;j
++) {
1955 if(&trojanscan_swarm
[j
] == trojanscan_chans
[i
].watch_clone
) {
1956 trojanscan_chans
[i
].watch_clone
= NULL
;
1962 trojanscan_mainchanmsg("k: %s on %s by %s", target->nick, ((channel *)args[1])->index->name->content, (((nick *)args[0])->nick)?(((nick *)args[0])->nick):"(server)");
1964 rj
= (struct trojanscan_rejoinlist
*)tmalloc(sizeof(struct trojanscan_rejoinlist
));
1967 for(rp
=trojanscan_realchanlist
;rp
;rp
=rp
->next
)
1968 if ((rp
->clone
->clone
== target
) && (rp
->chan
== args
[1])) {
1978 rj
->channel
= getsstring(((channel
*)args
[1])->index
->name
->content
, ((channel
*)args
[1])->index
->name
->length
);
1980 trojanscan_mainchanmsg("d: unable to allocate memory for channel: %s upon rejoin", ((channel
*)args
[1])->index
->name
->content
);
1985 rj
->clone
= rp
->clone
;
1986 rj
->next
= trojanscan_schedulerejoins
;
1987 trojanscan_schedulerejoins
= rj
;
1989 rj
->schedule
= scheduleoneshot(time(NULL
)+1, &trojanscan_rejoin_channel
, (void *)rj
);
1998 static void trojanscan_part_watch(int hook
, void *arg
) {
1999 void **arglist
= (void **)arg
;
2000 channel
*cp
= (channel
*)arglist
[0];
2001 nick
*np
= arglist
[1];
2002 char *reason
= arglist
[2];
2004 if(!cp
|| !np
|| !reason
|| (*reason
== '\0'))
2007 trojanscan_process(np
, cp
, trojanscan_getmtfromhooktype(hook
), reason
);
2010 void trojanscan_phrasematch(channel
*chp
, nick
*sender
, trojanscan_phrases
*phrase
, char messagetype
, char *matchbuf
) {
2011 char glinemask
[HOSTLEN
+ USERLEN
+ NICKLEN
+ 4], enick
[TROJANSCAN_QUERY_TEMP_BUF_SIZE
], eident
[TROJANSCAN_QUERY_TEMP_BUF_SIZE
], ehost
[TROJANSCAN_QUERY_TEMP_BUF_SIZE
];
2012 unsigned int frequency
;
2013 int glining
= 0, usercount
;
2014 struct trojanscan_worms
*worm
= phrase
->worm
;
2017 trojanscan_database
.detections
++;
2020 if (worm
->monitor
) {
2022 } else if(worm
->glinehost
|| worm
->glineuser
) {
2025 usercount
= glinebynick(sender
, 0, NULL
, GLINE_SIMULATE
, "trojanscan");
2029 trojanscan_mainchanmsg("w: user %s!%s@%s triggered infection monitor, yet no hosts found at stage 2 -- worm: %s", sender
->nick
, sender
->ident
, sender
->host
->name
->content
, worm
->name
->content
);
2033 if (glining
&& (usercount
> trojanscan_maxusers
)) {
2034 trojanscan_mainchanmsg("w: not glining %s!%s@%s due to too many users (%d) with mask: *!%s -- worm: %s)", sender
->nick
, sender
->ident
, sender
->host
->name
->content
, usercount
, glinemask
, worm
->name
->content
);
2038 if (glining
&& !worm
->datalen
) {
2039 trojanscan_mainchanmsg("w: not glining %s!%s@%s due to too lack of removal data with mask: *!%s (%d users) -- worm: %s)", sender
->nick
, sender
->ident
, sender
->host
->name
->content
, glinemask
, usercount
, worm
->name
->content
);
2043 trojanscan_database_escape_string(enick
, sender
->nick
, strlen(sender
->nick
));
2044 trojanscan_database_escape_string(eident
, sender
->ident
, strlen(sender
->ident
));
2045 trojanscan_database_escape_string(ehost
, sender
->host
->name
->content
, sender
->host
->name
->length
);
2049 if (!(trojanscan_database_query("SELECT COUNT(*) FROM hits WHERE glined = %d AND host = '%s'", glining
, ehost
))) {
2050 trojanscan_database_res
*res
;
2051 if ((res
= trojanscan_database_store_result(&trojanscan_sql
))) {
2052 trojanscan_database_row sqlrow
;
2053 if ((trojanscan_database_num_rows(res
) > 0) && (sqlrow
= trojanscan_database_fetch_row(res
)))
2054 frequency
= atoi(sqlrow
[0]) + 1;
2055 trojanscan_database_free_result(res
);
2060 trojanscan_mainchanmsg("m: t: %c u: %s!%s@%s%s%s w: %s p: %d %s%s", messagetype
, sender
->nick
, sender
->ident
, sender
->host
->name
->content
, messagetype
=='N'||messagetype
=='M'||messagetype
=='P'?" #: ":"", messagetype
=='N'||messagetype
=='M'||messagetype
=='P'?chp
->index
->name
->content
:"", worm
->name
->content
, phrase
->id
, matchbuf
[0]?" --: ":"", matchbuf
[0]?matchbuf
:"");
2061 #ifdef TROJANSCAN_PEONCHANNEL
2062 trojanscan_peonchanmsg("m: t: %c u: %s!%s@%s%s%s%s w: %s %s%s", messagetype
, sender
->nick
, sender
->ident
, (IsHideHost(sender
)&&IsAccount(sender
))?sender
->authname
:sender
->host
->name
->content
, (IsHideHost(sender
)&&IsAccount(sender
))?"."HIS_HIDDENHOST
:"", messagetype
=='N'||messagetype
=='M'||messagetype
=='P'?" #: ":"", messagetype
=='N'||messagetype
=='M'||messagetype
=='P'?chp
->index
->name
->content
:"", worm
->name
->content
, matchbuf
[0]?" --: ":"", matchbuf
[0]?matchbuf
:"");
2065 int glinetime
= TROJANSCAN_FIRST_OFFENSE
* frequency
* (worm
->epidemic
?TROJANSCAN_EPIDEMIC_MULTIPLIER
:1);
2066 if(glinetime
> 7 * 24)
2067 glinetime
= 7 * 24; /* can't set glines over 7 days with normal non U:lined glines */
2069 trojanscan_database_query("INSERT INTO hits (nickname, ident, host, phrase, messagetype, glined) VALUES ('%s', '%s', '%s', %d, '%c', %d)", enick
, eident
, ehost
, phrase
->id
, messagetype
, glining
);
2070 trojanscan_database
.glines
++;
2072 snprintf(reason
, sizeof(reason
), "You (%s!%s@%s) are infected with a trojan (%s/%d), see %s%d for details - banned for %d hours", sender
->nick
, sender
->ident
, sender
->host
->name
->content
, worm
->name
->content
, phrase
->id
, TROJANSCAN_URL_PREFIX
, worm
->id
, glinetime
);
2073 glinebynick(sender
, glinetime
* 3600, reason
, 0, "trojanscan");
2075 trojanscan_mainchanmsg("g: *!%s t: %c u: %s!%s@%s%s%s c: %d w: %s%s p: %d f: %d%s%s", glinemask
, messagetype
, sender
->nick
, sender
->ident
, sender
->host
->name
->content
, messagetype
=='N'||messagetype
=='M'||messagetype
=='P'?" #: ":"", messagetype
=='N'||messagetype
=='M'||messagetype
=='P'?chp
->index
->name
->content
:"", usercount
, worm
->name
->content
, worm
->epidemic
?"(E)":"", phrase
->id
, frequency
, matchbuf
[0]?" --: ":"", matchbuf
[0]?matchbuf
:"");
2079 void trojanscan_rejoin_channel(void *arg
) {
2080 struct trojanscan_rejoinlist
*rj2
, *lrj
, *rj
= (struct trojanscan_rejoinlist
*)arg
;
2082 channel
*cp
= findchannel(rj
->channel
->content
);
2083 freesstring(rj
->channel
);
2086 rj
->rp
->kickedout
--;
2088 rj
->rp
->donotpart
= 1; /* we were the last user on the channel, so we need to be VERY careful freeing it */
2090 if(!rj
->rp
->donotpart
&& !rj
->rp
->kickedout
) { /* check we're allowed to join channels (not killed), and we're the last one to join */
2091 if (trojanscan_nickbanned(rj
->clone
, cp
)) {
2092 rj
->rp
->donotpart
= 1;
2094 localjoinchannel(rj
->clone
->clone
, cp
);
2100 rj2
= trojanscan_schedulerejoins
;
2104 trojanscan_schedulerejoins
= rj
->next
;
2107 for(rj2
=trojanscan_schedulerejoins
;rj2
;lrj
=rj2
,rj2
=rj2
->next
) {
2109 lrj
->next
= rj2
->next
;
2118 void trojanscan_reply(nick
*target
, char *message
, ... ) {
2122 if (!trojanscan_nick
)
2125 va_start(va
, message
);
2126 vsnprintf(buf
, sizeof(buf
) - 1, message
, va
);
2129 sendnoticetouser(trojanscan_nick
, target
, "%s", buf
);
2133 void trojanscan_mainchanmsg(char *message
, ...) {
2138 if (!trojanscan_nick
)
2140 if (!(cp
= findchannel(TROJANSCAN_CHANNEL
)))
2143 va_start(va
, message
);
2144 vsnprintf(buf
, sizeof(buf
) - 1, message
, va
);
2147 sendmessagetochannel(trojanscan_nick
, cp
, "%s", buf
);
2150 #ifdef TROJANSCAN_PEONCHANNEL
2151 void trojanscan_peonchanmsg(char *message
, ...) {
2156 if (!trojanscan_nick
)
2158 if (!(cp
= findchannel(TROJANSCAN_PEONCHANNEL
)))
2161 va_start(va
, message
);
2162 vsnprintf(buf
, sizeof(buf
) - 1, message
, va
);
2165 sendmessagetochannel(trojanscan_nick
, cp
, "%s", buf
);
2169 int trojanscan_minmaxrand(float min
, float max
) {
2170 return (int)((max
-min
+1)*rand()/(RAND_MAX
+min
))+min
;
2173 char *trojanscan_iptostr(char *buf
, int buflen
, unsigned int ip
) {
2174 snprintf(buf
, buflen
, "%d.%d.%d.%d", ip
>> 24, (ip
>> 16) & 255, (ip
>> 8) & 255, ip
& 255);
2178 char trojanscan_genchar(int ty
) {
2179 /* hostname and realname characters*/
2181 if (!(trojanscan_minmaxrand(0, 40) % 10)) {
2182 return trojanscan_minmaxrand(48, 57);
2184 return trojanscan_minmaxrand(97, 122);
2186 /* ident characters - without numbers*/
2187 } else if (ty
== 1) {
2188 return trojanscan_minmaxrand(97, 122);
2189 /* ident characters - with numbers*/
2190 } else if (ty
== 2) {
2191 ty
= trojanscan_minmaxrand(97, 125);
2192 if (ty
> 122) return trojanscan_minmaxrand(48, 57);
2194 /* nick characters - with and without numbers*/
2195 } else if (ty
== 3 || ty
== 4) {
2196 if (!(trojanscan_minmaxrand(0, 59) % 16)) {
2197 char weirdos
[6] = { '\\', '|', '[', '{', ']', '}' };
2198 return weirdos
[trojanscan_minmaxrand(0, 5)];
2201 ty
= trojanscan_minmaxrand(65, 93);
2202 if (ty
> 90) return trojanscan_minmaxrand(48, 57);
2204 ty
= trojanscan_minmaxrand(65, 90);
2206 if (!(trojanscan_minmaxrand(0, 40) % 8)) return ty
;
2214 void trojanscan_gennick(char *ptc
, char size
) {
2216 for (i
=0;i
<size
;i
++) {
2218 ptc
[i
] = trojanscan_genchar(3);
2220 ptc
[i
] = trojanscan_genchar(4);
2226 void trojanscan_genident(char *ptc
, char size
) {
2228 for (i
=0;i
<size
;i
++) {
2230 ptc
[i
] = trojanscan_genchar(1);
2232 ptc
[i
] = trojanscan_genchar(2);
2238 void trojanscan_genhost(char *ptc
, char size
, patricia_node_t
**fakeipnode
) {
2239 int dots
= trojanscan_minmaxrand(2, 5), i
, dotexist
= 0, cur
;
2240 struct irc_in_addr ipaddress
;
2243 for (i
=0;i
<size
;i
++) {
2244 ptc
[i
] = trojanscan_genchar(0);
2245 if ((i
> 5) && (i
< (size
-4))) {
2246 if ((ptc
[i
-1] != '.') && (ptc
[i
-1] != '-')) {
2247 cur
= trojanscan_minmaxrand(1,size
/ dots
);
2262 memset(&ipaddress
, 0, sizeof(ipaddress
));
2263 ((unsigned short *)(ipaddress
.in6_16
))[5] = 65535;
2264 ((unsigned short *)(ipaddress
.in6_16
))[6] = trojanscan_minmaxrand(0, 65535);
2265 ((unsigned short *)(ipaddress
.in6_16
))[7] = trojanscan_minmaxrand(0, 65535);
2267 *fakeipnode
= refnode(iptree
, &ipaddress
, PATRICIA_MAXBITS
);
2270 void trojanscan_genreal(char *ptc
, char size
) {
2271 int spaces
= trojanscan_minmaxrand(2, 4), i
;
2272 for (i
=0;i
<size
;i
++) {
2273 ptc
[i
] = trojanscan_genchar(0);
2274 if ((i
> 5) && (i
< (size
-4))) {
2275 if (ptc
[i
-1] != ' ') {
2276 if (trojanscan_minmaxrand(1,size
/ spaces
) == 1) ptc
[i
] = ' ';
2283 int trojanscan_is_not_octet(char *begin
, int length
) {
2287 for(i
=0;i
<length
;i
++) {
2288 if (!((*begin
>= '0') && (*begin
<= '9')))
2295 int trojanscan_generatepool(void) {
2296 int i
, k
= 0, j
= 0, loops
= 0;
2300 for (i
=0;i
<NICKHASHSIZE
;i
++)
2301 for (np
=nicktable
[i
];np
;np
=np
->next
)
2304 if(j
< trojanscan_min_hosts
)
2307 if(TROJANSCAN_HOST_MODE
== TROJANSCAN_STEAL_HOST
)
2308 return TROJANSCAN_MINPOOLSIZE
;
2312 for (j
=trojanscan_minmaxrand(0, NICKHASHSIZE
-1);j
<NICKHASHSIZE
;j
++) {
2314 for(p
=nicktable
[j
]->host
->name
->content
, pp
=p
;*p
;) {
2316 if (!trojanscan_is_not_octet(pp
, p
-pp
)) {
2317 if (i
< TROJANSCAN_POOLSIZE
) {
2318 if (i
< trojanscan_hostpoolsize
)
2319 freesstring(trojanscan_hostpool
[i
]);
2320 trojanscan_hostpool
[i
] = getsstring(pp
, p
-pp
);
2323 if (k
>= TROJANSCAN_POOLSIZE
)
2330 if (!trojanscan_is_not_octet(pp
, p
-pp
)) {
2331 if (k
< TROJANSCAN_POOLSIZE
) {
2332 if (k
< trojanscan_tailpoolsize
)
2333 freesstring(trojanscan_tailpool
[k
]);
2334 trojanscan_tailpool
[k
] = getsstring(pp
, p
-pp
);
2337 if (i
>= TROJANSCAN_POOLSIZE
)
2344 } while ((loops
< 5) && ((i
< TROJANSCAN_POOLSIZE
) || (k
< TROJANSCAN_POOLSIZE
)));
2346 trojanscan_hostpoolsize
= i
;
2347 trojanscan_tailpoolsize
= k
;
2351 nick
*trojanscan_selectuser(void) {
2352 int target
= trojanscan_minmaxrand(0, 500), loops
= 150, j
;
2355 for (j
=trojanscan_minmaxrand(0, NICKHASHSIZE
-1);j
<NICKHASHSIZE
;j
++)
2356 for(np
=nicktable
[j
];np
;np
=np
->next
)
2359 } while(--loops
> 0);
2363 host
*trojanscan_selecthost(void) {
2364 int target
= trojanscan_minmaxrand(0, 500), loops
= 150, j
;
2367 for (j
=trojanscan_minmaxrand(0, HOSTHASHSIZE
-1);j
<HOSTHASHSIZE
;j
++)
2368 for(hp
=hosttable
[j
];hp
;hp
=hp
->next
)
2371 } while(--loops
> 0);
2376 static int specialuseronhost(host
*hp
) {
2379 for(np
=hp
->nicks
;np
;np
=np
->nextbyhost
)
2380 if(IsOper(np
) || IsService(np
) || IsXOper(np
) || NickOnServiceServer(np
))
2386 void trojanscan_generatehost(char *buf
, int maxsize
, patricia_node_t
**fakeip
) {
2387 struct irc_in_addr ipaddress
;
2389 if(TROJANSCAN_HOST_MODE
== TROJANSCAN_STEAL_HOST
) {
2396 hp
= trojanscan_selecthost();
2397 if(hp
&& (hp
->clonecount
<= TROJANSCAN_MAX_CLONE_COUNT
) && !trojanscan_isip(hp
->name
->content
) && !specialuseronhost(hp
)) {
2398 strlcpy(buf
, hp
->name
->content
, maxsize
+ 1);
2400 *fakeip
= hp
->nicks
->ipnode
;
2401 patricia_ref_prefix(hp
->nicks
->ipnode
->prefix
);
2403 memset(&ipaddress
, 0, sizeof(ipaddress
));
2404 ((unsigned short *)(ipaddress
.in6_16
))[5] = 65535;
2405 ((unsigned short *)(ipaddress
.in6_16
))[6] = trojanscan_minmaxrand(0, 65535);
2406 ((unsigned short *)(ipaddress
.in6_16
))[7] = trojanscan_minmaxrand(0, 65535);
2408 *fakeip
= refnode(iptree
, &ipaddress
, PATRICIA_MAXBITS
);
2412 } while(--loops
> 0);
2415 int pieces
= trojanscan_minmaxrand(2, 4), totallen
= 0, a
= 0, i
;
2416 int *choices
= tmalloc(sizeof(int) * (pieces
+ 1));
2417 int *lengths
= tmalloc(sizeof(int) * (pieces
+ 1));
2419 choices
[pieces
] = trojanscan_minmaxrand(0, trojanscan_tailpoolsize
-1);
2420 lengths
[pieces
] = strlen(trojanscan_tailpool
[choices
[pieces
]]->content
) + 1;
2421 totallen
+= lengths
[pieces
];
2423 for (i
=0;i
<pieces
;i
++) {
2424 choices
[i
] = trojanscan_minmaxrand(0, trojanscan_hostpoolsize
-1);
2425 lengths
[i
] = strlen(trojanscan_hostpool
[choices
[i
]]->content
) + 1;
2426 if (totallen
+lengths
[i
] > maxsize
) {
2427 choices
[i
] = choices
[pieces
];
2428 lengths
[i
] = lengths
[pieces
];
2432 totallen
+= lengths
[i
];
2435 for (i
=0;i
<pieces
;i
++) {
2436 for (cpos
=trojanscan_hostpool
[choices
[i
]]->content
; *cpos
;)
2441 for (cpos
=trojanscan_tailpool
[choices
[i
]]->content
; *cpos
;) {
2449 memset(&ipaddress
, 0, sizeof(ipaddress
));
2450 ((unsigned short *)(ipaddress
.in6_16
))[5] = 65535;
2451 ((unsigned short *)(ipaddress
.in6_16
))[6] = trojanscan_minmaxrand(0, 65535);
2452 ((unsigned short *)(ipaddress
.in6_16
))[7] = trojanscan_minmaxrand(0, 65535);
2454 *fakeip
= refnode(iptree
, &ipaddress
, PATRICIA_MAXBITS
);
2458 void trojanscan_generatenick(char *buf
, int maxsize
) {
2459 int bits
= trojanscan_minmaxrand(2, 3), loops
= 0, wanttocopy
, len
= 0, i
, d
= 0, newmaxsize
= maxsize
- trojanscan_minmaxrand(0, 7);
2463 maxsize
= newmaxsize
;
2466 np
= trojanscan_selectuser();
2468 wanttocopy
= trojanscan_minmaxrand(1, (strlen(np
->nick
) / 2) + 3);
2469 for(i
=0;((i
<wanttocopy
) && (len
<maxsize
));i
++)
2470 buf
[len
++] = np
->nick
[i
];
2476 } while (++loops
< 10);
2480 void trojanscan_generateident(char *buf
, int maxsize
) {
2481 nick
*np
= trojanscan_selectuser();
2484 strlcpy(buf
, np
->ident
, maxsize
+ 1);
2487 void trojanscan_generaterealname(char *buf
, int maxsize
) {
2488 nick
*np
= trojanscan_selectuser();
2491 strlcpy(buf
, np
->realname
->name
->content
, maxsize
+ 1);
2494 static void db_ping(void *arg
) {
2495 if (!(trojanscan_database_query("SELECT 1"))) {
2496 trojanscan_database_res
*res
;
2497 if ((res
= trojanscan_database_store_result(&trojanscan_sql
))) {
2498 trojanscan_database_free_result(res
);
2502 db_ping_schedule
= scheduleoneshot(time(NULL
) + 60, &db_ping
, NULL
);
2505 void trojanscan_database_close(void) {
2506 if(db_ping_schedule
)
2507 deleteschedule(db_ping_schedule
, db_ping
, NULL
);
2509 mysql_close(&trojanscan_sql
);
2512 int trojanscan_database_connect(char *dbhost
, char *dbuser
, char *dbpass
, char *db
, unsigned int port
) {
2513 mysql_init(&trojanscan_sql
);
2514 if (!mysql_real_connect(&trojanscan_sql
, dbhost
, dbuser
, dbpass
, db
, port
, NULL
, 0))
2518 db_ping_schedule
= scheduleoneshot(time(NULL
) + 60, &db_ping
, NULL
);
2523 void trojanscan_database_escape_string(char *dest
, char *source
, size_t length
) {
2524 mysql_escape_string(dest
, source
, length
);
2527 int trojanscan_database_query(char *format
, ...) {
2528 char trojanscan_sqlquery
[TROJANSCAN_QUERY_BUF_SIZE
];
2531 va_start(va
, format
);
2532 vsnprintf(trojanscan_sqlquery
, sizeof(trojanscan_sqlquery
) - 1, format
, va
);
2534 return mysql_query(&trojanscan_sql
, trojanscan_sqlquery
);
2537 int trojanscan_database_num_rows(trojanscan_database_res
*res
) {
2538 return mysql_num_rows(res
);
2541 trojanscan_database_res
*trojanscan_database_store_result() {
2542 return mysql_store_result(&trojanscan_sql
);
2545 trojanscan_database_row
trojanscan_database_fetch_row(trojanscan_database_res
*res
) {
2546 return mysql_fetch_row(res
);
2549 void trojanscan_database_free_result(trojanscan_database_res
*res
) {
2550 mysql_free_result(res
);
2553 int trojanscan_isip(char *host
) {
2554 char *p
= host
, components
= 0, length
= 0;
2558 if(((!length
) || (length
= 0)) || (++components
> 3))
2561 if ((++length
> 3) || !isdigit(*p
))
2565 return components
== 3;