4 * Trojanscan copyright (C) Chris Porter 2002-2007
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"
19 #define tmalloc(x) nsmalloc(POOL_TROJANSCAN, x)
20 #define tfree(x) nsfree(POOL_TROJANSCAN, x)
22 MODULE_VERSION(TROJANSCAN_VERSION
);
24 void trojanscan_phrasematch(channel
*chp
, nick
*sender
, trojanscan_phrases
*phrase
, char messagetype
, char *matchbuf
);
25 char *trojanscan_sanitise(char *input
);
26 void trojanscan_refresh_settings(void);
27 static void trojanscan_part_watch(int hook
, void *arg
);
28 static void trojanscan_connect_nick(void *);
30 #define TROJANSCAN_SETTING_SIZE 256
31 #define TROJANSCAN_MAX_SETTINGS 50
34 char setting
[TROJANSCAN_SETTING_SIZE
];
35 char value
[TROJANSCAN_SETTING_SIZE
];
36 } trojanscan_settings
[TROJANSCAN_MAX_SETTINGS
];
38 static int settingcount
= 0;
39 static char *versionreply
;
40 static int hooksregistered
= 0;
41 static void *trojanscan_connect_nick_schedule
;
44 trojanscan_cmds
= newcommandtree();
46 addcommandtotree(trojanscan_cmds
, "showcommands", TROJANSCAN_ACL_UNAUTHED
, 0, &trojanscan_showcommands
);
47 addcommandtotree(trojanscan_cmds
, "help", TROJANSCAN_ACL_UNAUTHED
, 1, &trojanscan_help
);
48 addcommandtotree(trojanscan_cmds
, "hello", TROJANSCAN_ACL_UNAUTHED
| TROJANSCAN_ACL_OPER
, 1, &trojanscan_hello
);
50 addcommandtotree(trojanscan_cmds
, "join", TROJANSCAN_ACL_STAFF
, 1, &trojanscan_userjoin
);
51 addcommandtotree(trojanscan_cmds
, "chanlist", TROJANSCAN_ACL_STAFF
, 0, &trojanscan_chanlist
);
52 addcommandtotree(trojanscan_cmds
, "whois", TROJANSCAN_ACL_STAFF
, 1, &trojanscan_whois
);
54 addcommandtotree(trojanscan_cmds
, "changelev", TROJANSCAN_ACL_STAFF
| TROJANSCAN_ACL_OPER
, 2, &trojanscan_changelev
);
55 addcommandtotree(trojanscan_cmds
, "deluser", TROJANSCAN_ACL_TEAMLEADER
| TROJANSCAN_ACL_OPER
, 2, &trojanscan_deluser
);
56 addcommandtotree(trojanscan_cmds
, "mew", TROJANSCAN_ACL_STAFF
, 2, &trojanscan_mew
);
57 addcommandtotree(trojanscan_cmds
, "status", TROJANSCAN_ACL_STAFF
| TROJANSCAN_ACL_OPER
, 0, &trojanscan_status
);
58 addcommandtotree(trojanscan_cmds
, "listusers", TROJANSCAN_ACL_TEAMLEADER
, 0, &trojanscan_listusers
);
60 addcommandtotree(trojanscan_cmds
, "rehash", TROJANSCAN_ACL_WEBSITE
, 0, &trojanscan_rehash
);
62 addcommandtotree(trojanscan_cmds
, "cat", TROJANSCAN_ACL_OPER
, 1, &trojanscan_cat
);
64 addcommandtotree(trojanscan_cmds
, "reschedule", TROJANSCAN_ACL_DEVELOPER
| TROJANSCAN_ACL_OPER
, 0, &trojanscan_reschedule
);
66 srand((int)time(NULL
));
68 trojanscan_connect_schedule
= scheduleoneshot(time(NULL
) + 1, &trojanscan_connect
, NULL
);
73 struct trojanscan_realchannels
*rp
= trojanscan_realchanlist
, *oldrp
;
74 struct trojanscan_rejoinlist
*rj
= trojanscan_schedulerejoins
, *oldrj
;
77 deregisterlocaluser(trojanscan_nick
, NULL
);
79 if (trojanscan_connect_schedule
)
80 deleteschedule(trojanscan_connect_schedule
, &trojanscan_connect
, NULL
);
82 if (trojanscan_connect_nick_schedule
)
83 deleteschedule(trojanscan_connect_nick_schedule
, &trojanscan_connect_nick
, NULL
);
85 if(trojanscan_schedule
)
86 deleteschedule(trojanscan_schedule
, &trojanscan_dojoin
, NULL
);
88 if(trojanscan_poolschedule
)
89 deleteschedule(trojanscan_poolschedule
, &trojanscan_repool
, NULL
);
91 if(trojanscan_cloneschedule
)
92 deleteschedule(trojanscan_poolschedule
, &trojanscan_registerclones
, NULL
);
95 deregisterhook(HOOK_CHANNEL_PART
, trojanscan_part_watch
);
98 deleteschedule(rp
->schedule
, &trojanscan_dopart
, (void *)rp
);
105 deleteschedule(rj
->schedule
, &trojanscan_rejoin_channel
, (void *)rj
);
106 freesstring(rj
->channel
);
112 if(trojanscan_initialschedule
)
113 deleteschedule(trojanscan_initialschedule
, &trojanscan_fill_channels
, NULL
);
115 deleteschedule(trojanscan_rehashschedule
, &trojanscan_rehash_schedule
, NULL
);
117 for (i
=0;i
<TROJANSCAN_CLONE_TOTAL
;i
++)
118 if(trojanscan_swarm
[i
].clone
) {
119 deregisterlocaluser(trojanscan_swarm
[i
].clone
, NULL
);
120 derefnode(iptree
, trojanscan_swarm
[i
].fakeipnode
);
121 trojanscan_swarm
[i
].clone
= NULL
;
123 trojanscan_free_database();
124 trojanscan_free_channels();
126 for (i
=0;i
<trojanscan_hostpoolsize
;i
++)
127 freesstring(trojanscan_hostpool
[i
]);
129 for (i
=0;i
<trojanscan_tailpoolsize
;i
++)
130 freesstring(trojanscan_tailpool
[i
]);
131 trojanscan_database_close();
133 deletecommandfromtree(trojanscan_cmds
, "showcommands", &trojanscan_showcommands
);
134 deletecommandfromtree(trojanscan_cmds
, "help", &trojanscan_help
);
135 deletecommandfromtree(trojanscan_cmds
, "hello", &trojanscan_hello
);
136 deletecommandfromtree(trojanscan_cmds
, "join", &trojanscan_userjoin
);
137 deletecommandfromtree(trojanscan_cmds
, "chanlist", &trojanscan_chanlist
);
138 deletecommandfromtree(trojanscan_cmds
, "whois", &trojanscan_whois
);
139 deletecommandfromtree(trojanscan_cmds
, "changelev", &trojanscan_changelev
);
140 deletecommandfromtree(trojanscan_cmds
, "deluser", &trojanscan_deluser
);
141 deletecommandfromtree(trojanscan_cmds
, "mew", &trojanscan_mew
);
142 deletecommandfromtree(trojanscan_cmds
, "status", &trojanscan_status
);
143 deletecommandfromtree(trojanscan_cmds
, "listusers", &trojanscan_listusers
);
144 deletecommandfromtree(trojanscan_cmds
, "rehash", &trojanscan_rehash
);
145 deletecommandfromtree(trojanscan_cmds
, "cat", &trojanscan_cat
);
146 deletecommandfromtree(trojanscan_cmds
, "reschedule", &trojanscan_reschedule
);
148 destroycommandtree(trojanscan_cmds
);
149 nscheckfreeall(POOL_TROJANSCAN
);
152 static void trojanscan_connect_nick(void *arg
) {
153 sstring
*mnick
, *myident
, *myhost
, *myrealname
, *myauthname
;
156 mnick
= getcopyconfigitem("trojanscan", "nick", "T", NICKLEN
);
157 myident
= getcopyconfigitem("trojanscan", "ident", "trojanscan", NICKLEN
);
158 myhost
= getcopyconfigitem("trojanscan", "hostname", "trojanscan.slug.netsplit.net", HOSTLEN
);
159 myrealname
= getcopyconfigitem("trojanscan", "realname", "Trojanscan v" TROJANSCAN_VERSION
, REALLEN
);
160 myauthname
= getcopyconfigitem("trojanscan", "authname", "T", ACCOUNTLEN
);
162 trojanscan_nick
= registerlocaluser(mnick
->content
, myident
->content
, myhost
->content
, myrealname
->content
, myauthname
->content
, UMODE_SERVICE
| UMODE_DEAF
|
163 UMODE_OPER
| UMODE_INV
|
165 &trojanscan_handlemessages
);
167 freesstring(myident
);
169 freesstring(myrealname
);
170 freesstring(myauthname
);
172 cp
= findchannel(TROJANSCAN_OPERCHANNEL
);
174 localcreatechannel(trojanscan_nick
, TROJANSCAN_OPERCHANNEL
);
176 if(!localjoinchannel(trojanscan_nick
, cp
))
177 localgetops(trojanscan_nick
, cp
);
180 cp
= findchannel(TROJANSCAN_CHANNEL
);
182 localcreatechannel(trojanscan_nick
, TROJANSCAN_CHANNEL
);
184 if(!localjoinchannel(trojanscan_nick
, cp
))
185 localgetops(trojanscan_nick
, cp
);
188 #ifdef TROJANSCAN_PEONCHANNEL
189 cp
= findchannel(TROJANSCAN_PEONCHANNEL
);
191 localcreatechannel(trojanscan_nick
, TROJANSCAN_PEONCHANNEL
);
193 if(!localjoinchannel(trojanscan_nick
, cp
))
194 localgetops(trojanscan_nick
, cp
);
199 void trojanscan_connect(void *arg
) {
200 sstring
*dbhost
, *dbuser
, *dbpass
, *db
, *dbport
, *temp
;
204 trojanscan_connect_schedule
= NULL
;
206 for(i
=0;i
<TROJANSCAN_CLONE_TOTAL
;i
++)
207 trojanscan_swarm
[i
].index
= i
; /* sure this could be done with pointer arithmetic... */
209 trojanscan_hostpoolsize
= 0;
210 trojanscan_tailpoolsize
= 0;
211 trojanscan_hostmode
= 0;
212 trojanscan_poolschedule
= NULL
;
213 trojanscan_cloneschedule
= NULL
;
214 trojanscan_realchanlist
= NULL
;
215 trojanscan_database
.glines
= 0;
216 trojanscan_database
.detections
= 0;
218 dbhost
= getcopyconfigitem("trojanscan", "dbhost", "localhost", HOSTLEN
);
219 dbuser
= getcopyconfigitem("trojanscan", "dbuser", "", NICKLEN
);
220 dbpass
= getcopyconfigitem("trojanscan", "dbpass", "", REALLEN
);
221 db
= getcopyconfigitem("trojanscan", "db", "", NICKLEN
);
223 dbport
= getcopyconfigitem("trojanscan", "dbport", "3306", ACCOUNTLEN
);
225 length
= snprintf(buf
, sizeof(buf
) - 1, "%d", TROJANSCAN_DEFAULT_MAXCHANS
);
226 temp
= getcopyconfigitem("trojanscan", "maxchans", buf
, length
);
228 trojanscan_maxchans
= atoi(temp
->content
);
231 length
= snprintf(buf
, sizeof(buf
) - 1, "%d", TROJANSCAN_DEFAULT_CYCLETIME
);
232 temp
= getcopyconfigitem("trojanscan", "cycletime", buf
, length
);
234 trojanscan_cycletime
= atoi(temp
->content
);
237 length
= snprintf(buf
, sizeof(buf
) - 1, "%d", TROJANSCAN_DEFAULT_PARTTIME
);
238 temp
= getcopyconfigitem("trojanscan", "parttime", buf
, length
);
239 trojanscan_part_time
= atoi(temp
->content
);
242 length
= snprintf(buf
, sizeof(buf
) - 1, "%d", TROJANSCAN_DEFAULT_MAXUSERS
);
243 temp
= getcopyconfigitem("trojanscan", "maxusers", buf
, length
);
244 trojanscan_maxusers
= atoi(temp
->content
);
247 length
= snprintf(buf
, sizeof(buf
) - 1, "%d", TROJANSCAN_MINIMUM_HOSTS_BEFORE_POOL
);
248 temp
= getcopyconfigitem("trojanscan", "minpoolhosts", buf
, length
);
249 trojanscan_min_hosts
= atoi(temp
->content
);
252 if ((trojanscan_cycletime
/ trojanscan_maxchans
) < 1) {
253 Error("trojanscan", ERR_FATAL
, "Cycletime / maxchans < 1, increase cycletime or decrease maxchans else cycling breaks.");
254 return; /* PPA: module failed to load */
257 length
= snprintf(buf
, sizeof(buf
) - 1, "%d", TROJANSCAN_DEFAULT_MINIMUM_CHANNEL_SIZE
);
258 temp
= getcopyconfigitem("trojanscan", "minchansize", buf
, length
);
259 trojanscan_minchansize
= atoi(temp
->content
);
262 trojanscan_connect_nick(NULL
);
264 if (trojanscan_database_connect(dbhost
->content
, dbuser
->content
, dbpass
->content
, db
->content
, atoi(dbport
->content
)) < 0) {
265 Error("trojanscan", ERR_FATAL
, "Cannot connect to database host!");
266 return; /* PPA: module failed to load */
269 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)");
270 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)");
271 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)");
272 trojanscan_database_query("CREATE TABLE channels (id INT(10) PRIMARY KEY AUTO_INCREMENT, channel VARCHAR(%d) NOT NULL, exempt BOOL DEFAULT 0)", CHANNELLEN
);
273 trojanscan_database_query("CREATE TABLE users (id INT(10) PRIMARY KEY AUTO_INCREMENT, authname VARCHAR(%d) NOT NULL, authlevel TINYINT(4) NOT NULL)", ACCOUNTLEN
);
274 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
);
275 trojanscan_database_query("CREATE TABLE settings (id INT(10) PRIMARY KEY AUTO_INCREMENT, setting VARCHAR(255) NOT NULL UNIQUE, value VARCHAR(255) NOT NULL)");
276 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)");
277 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);
279 trojanscan_database_query("DELETE FROM settings WHERE setting = 'rehash' OR setting = 'changed'");
280 trojanscan_database_query("INSERT INTO settings (setting, value) VALUES ('rehash','0')");
281 trojanscan_database_query("INSERT INTO settings (setting, value) VALUES ('changed','0')");
283 /* assumption: constants aren't supplied by someone evil */
284 trojanscan_database_query("INSERT INTO settings (setting, value) VALUES ('versionreply','" TROJANSCAN_DEFAULT_VERSION_REPLY
"')");
286 trojanscan_refresh_settings();
287 trojanscan_read_database(1);
294 trojanscan_registerclones(NULL
);
296 trojanscan_rehashschedule
= scheduleoneshot(time(NULL
) + 60, &trojanscan_rehash_schedule
, NULL
);
298 registerhook(HOOK_CHANNEL_PART
, trojanscan_part_watch
);
302 char *trojanscan_get_setting(char *setting
) {
305 for(i
=0;i
<settingcount
;i
++)
306 if(!strcmp(trojanscan_settings
[i
].setting
, setting
))
307 return trojanscan_settings
[i
].value
;
312 void trojanscan_refresh_settings(void) {
313 trojanscan_database_res
*res
;
314 trojanscan_database_row sqlrow
;
317 if(trojanscan_database_query("SELECT setting, value FROM settings"))
320 if(!(res
= trojanscan_database_store_result(&trojanscan_sql
)))
323 if (trojanscan_database_num_rows(res
) <= 0)
326 while((sqlrow
= trojanscan_database_fetch_row(res
))) {
327 strlcpy(trojanscan_settings
[i
].setting
, sqlrow
[0], TROJANSCAN_SETTING_SIZE
);
328 strlcpy(trojanscan_settings
[i
].value
, sqlrow
[1], TROJANSCAN_SETTING_SIZE
);
330 trojanscan_sanitise(trojanscan_settings
[i
].value
);
332 if(++i
== TROJANSCAN_MAX_SETTINGS
)
338 trojanscan_database_free_result(res
);
340 /* optimisation hack */
341 versionreply
= trojanscan_get_setting("versionreply");
344 void trojanscan_rehash_schedule(void *arg
) {
346 trojanscan_rehashschedule
= scheduleoneshot(time(NULL
) + 60, &trojanscan_rehash_schedule
, NULL
);
348 trojanscan_refresh_settings();
350 v
= trojanscan_get_setting("rehash");
351 if(v
&& v
[0] == '1') {
352 trojanscan_mainchanmsg("n: rehash initiated by website. . .");
353 trojanscan_read_database(0);
357 void trojanscan_free_database(void) {
359 for(i
=0;i
<trojanscan_database
.total_channels
;i
++)
360 freesstring(trojanscan_database
.channels
[i
].name
);
361 tfree(trojanscan_database
.channels
);
362 for(i
=0;i
<trojanscan_database
.total_phrases
;i
++) {
363 if (trojanscan_database
.phrases
[i
].phrase
)
364 pcre_free(trojanscan_database
.phrases
[i
].phrase
);
365 if (trojanscan_database
.phrases
[i
].hint
)
366 pcre_free(trojanscan_database
.phrases
[i
].hint
);
368 tfree(trojanscan_database
.phrases
);
369 for(i
=0;i
<trojanscan_database
.total_worms
;i
++)
370 freesstring(trojanscan_database
.worms
[i
].name
);
371 tfree(trojanscan_database
.worms
);
372 trojanscan_database
.total_channels
= 0;
373 trojanscan_database
.total_phrases
= 0;
374 trojanscan_database
.total_worms
= 0;
378 char *trojanscan_sanitise(char *input
) {
382 if(*p
== '\r' || *p
== '\n')
388 sstring
*trojanscan_getsstring(char *string
, int length
) {
391 for(i
=0;i
<length
;i
++) {
392 if ((string
[i
] == '\r') || (string
[i
] == '\n')) {
393 Error("trojanscan", ERR_WARNING
, "Error reading %s at position %d, set to ERROR!", string
, i
+1);
394 return getsstring("ERROR", sizeof("ERROR"));
398 return getsstring(string
, length
);
401 int trojanscan_strip_codes(char *buf
, size_t max
, char *original
) {
402 int i
, j
, length
= TROJANSCAN_MMIN(strlen(original
), max
-1);
403 char *p2
= original
, *p3
, flag
= 0;
405 for(i
=0;i
<length
+1;i
++) {
414 if ((i
+ 1) > length
)
416 if ((j
== 4) && flag
)
420 if ((j
== 0) && (!((*p2
>= '0') && (*p2
<= '9'))))
425 if ((i
+ 1) > length
)
427 if (!((*(p2
+ 1) >= '0') && (*(p2
+ 1) <= '9')))
430 } else if ((*p2
>= '0') && (*p2
<= '9')) {
438 if (!((*p2
>= '0') && (*p2
<= '9')))
444 if ((i
+ 1) > length
)
446 if (!((*(p2
+ 1) >= '0') && (*(p2
+ 1) <= '9')))
451 if ((j
== 3) && (!((*p2
>= '0') && (*p2
<= '9'))))
453 if ((j
== 4) && (!((*p2
>= '0') && (*p2
<= '9'))))
470 struct trojanscan_worms
*trojanscan_find_worm_by_id(int id
) {
472 for(i
=0;i
<trojanscan_database
.total_worms
;i
++)
473 if ((trojanscan_database
.worms
[i
].id
== id
))
474 return &trojanscan_database
.worms
[i
];
478 void trojanscan_read_database(int first_time
) {
480 int erroroffset
, i
, tempresult
;
482 trojanscan_database_res
*res
;
483 trojanscan_database_row sqlrow
;
486 trojanscan_free_database();
488 trojanscan_database
.total_channels
= 0;
489 trojanscan_database
.total_phrases
= 0;
490 trojanscan_database
.total_worms
= 0;
493 if (!(trojanscan_database_query("SELECT channel, exempt FROM channels"))) {
494 if ((res
= trojanscan_database_store_result(&trojanscan_sql
))) {
495 trojanscan_database
.total_channels
= trojanscan_database_num_rows(res
);
496 if (trojanscan_database
.total_channels
> 0) {
497 if ((trojanscan_database
.channels
= (trojanscan_channels
*)tmalloc(sizeof(trojanscan_channels
) * trojanscan_database
.total_channels
))) {
498 if ((trojanscan_database
.total_channels
>0) && trojanscan_database
.channels
) {
500 while((sqlrow
= trojanscan_database_fetch_row(res
))) {
501 trojanscan_database
.channels
[i
].name
= trojanscan_getsstring(trojanscan_sanitise(sqlrow
[0]), strlen(sqlrow
[0]));
502 trojanscan_database
.channels
[i
].exempt
= (sqlrow
[1][0] == '1');
508 trojanscan_database_free_result(res
);
512 if (!(trojanscan_database_query("SELECT id, wormname, glinetype, length(data), hitmsgs, hitchans, epidemic FROM worms"))) {
513 if ((res
= trojanscan_database_store_result(&trojanscan_sql
))) {
514 trojanscan_database
.total_worms
= trojanscan_database_num_rows(res
);
515 if (trojanscan_database
.total_worms
> 0) {
516 if ((trojanscan_database
.worms
= (trojanscan_worms
*)tmalloc(sizeof(trojanscan_worms
) * trojanscan_database
.total_worms
))) {
518 while((sqlrow
= trojanscan_database_fetch_row(res
))) {
519 trojanscan_database
.worms
[i
].id
= atoi(sqlrow
[0]);
520 trojanscan_database
.worms
[i
].name
= trojanscan_getsstring(trojanscan_sanitise(sqlrow
[1]), strlen(sqlrow
[1]));
521 tempresult
= atoi(sqlrow
[2]);
522 trojanscan_database
.worms
[i
].glineuser
= (tempresult
== 0);
523 trojanscan_database
.worms
[i
].glinehost
= (tempresult
== 1);
524 trojanscan_database
.worms
[i
].monitor
= (tempresult
== 2);
526 trojanscan_database
.worms
[i
].datalen
= ((atoi(sqlrow
[3]) == 0) ? 0 : 1);
528 trojanscan_database
.worms
[i
].datalen
= 0;
531 trojanscan_database
.worms
[i
].hitpriv
= (atoi(sqlrow
[4]) == 1);
532 trojanscan_database
.worms
[i
].hitchans
= (atoi(sqlrow
[5]) == 1);
533 trojanscan_database
.worms
[i
].epidemic
= (atoi(sqlrow
[6]) == 1);
539 trojanscan_database_free_result(res
);
543 if (!(trojanscan_database_query("SELECT id, phrase, wormid FROM phrases WHERE disabled = 0 ORDER BY priority DESC"))) {
544 if ((res
= trojanscan_database_store_result(&trojanscan_sql
))) {
545 trojanscan_database
.total_phrases
= trojanscan_database_num_rows(res
);
546 if (trojanscan_database
.total_phrases
> 0) {
547 if ((trojanscan_database
.phrases
= (trojanscan_phrases
*)tmalloc(sizeof(trojanscan_phrases
) * trojanscan_database
.total_phrases
))) {
549 while((sqlrow
= trojanscan_database_fetch_row(res
))) {
550 trojanscan_database
.phrases
[i
].id
= atoi(sqlrow
[0]);
551 trojanscan_database
.phrases
[i
].worm
= trojanscan_find_worm_by_id(atoi(sqlrow
[2]));
552 if (!(trojanscan_database
.phrases
[i
].phrase
= pcre_compile(sqlrow
[1], PCRE_CASELESS
, &error
, &erroroffset
, NULL
))) {
553 Error("trojanscan", ERR_WARNING
, "Error compiling expression %s at offset %d: %s", sqlrow
[1], erroroffset
, error
);
555 trojanscan_database
.phrases
[i
].hint
= pcre_study(trojanscan_database
.phrases
[i
].phrase
, 0, &error
);
557 Error("trojanscan", ERR_WARNING
, "Error studying expression %s: %s", sqlrow
[1], error
);
558 pcre_free(trojanscan_database
.phrases
[i
].phrase
);
559 trojanscan_database
.phrases
[i
].phrase
= NULL
;
566 trojanscan_database_free_result(res
);
570 trojanscan_database_query("UPDATE settings SET value = '0' where setting = 'rehash'");
573 void trojanscan_log(nick
*np
, char *event
, char *details
, ...) {
575 char eevent
[TROJANSCAN_QUERY_TEMP_BUF_SIZE
], edetails
[TROJANSCAN_QUERY_TEMP_BUF_SIZE
], buf
[513];
578 va_start(va
, details
);
579 vsnprintf(buf
, sizeof(buf
) - 1, details
, va
);
584 nickid
= trojanscan_user_id_by_authname(np
->authname
);
586 trojanscan_database_escape_string(eevent
, event
, strlen(event
));
587 trojanscan_database_escape_string(edetails
, buf
, strlen(buf
));
588 trojanscan_database_query("INSERT INTO logs (userid, act, description) VALUES ('%d', '%s', '%s')", nickid
, eevent
, edetails
);
591 void trojanscan_generateclone(void *arg
) {
592 int i
, loops
= 0, modes
= UMODE_XOPER
| UMODE_INV
;
593 char c_nick
[NICKLEN
+1], c_ident
[USERLEN
+1], c_host
[HOSTLEN
+1], c_real
[REALLEN
+1];
594 patricia_node_t
*fakeip
;
596 i
= (int)((long)arg
);
598 /* PPA: unlikely to be infinite */
601 if (!loops
&& trojanscan_hostmode
) /* only have one go at this */
602 trojanscan_generatenick(c_nick
, NICKLEN
);
604 trojanscan_gennick(c_nick
, trojanscan_minmaxrand(7, TROJANSCAN_MMIN(13, NICKLEN
)));
606 } while ((getnickbynick(c_nick
) != NULL
));
608 trojanscan_generateident(c_ident
, USERLEN
);
610 trojanscan_genident(c_ident
, trojanscan_minmaxrand(4, TROJANSCAN_MMIN(8, USERLEN
)));
612 if(trojanscan_hostmode
) {
613 trojanscan_generatehost(c_host
, HOSTLEN
, &fakeip
);
615 trojanscan_genhost(c_host
, HOSTLEN
, &fakeip
);
617 trojanscan_genhost(c_host
, HOSTLEN
, &fakeip
);
620 trojanscan_generaterealname(c_real
, REALLEN
);
622 trojanscan_genreal(c_real
, trojanscan_minmaxrand(15, TROJANSCAN_MMIN(50, REALLEN
)));
624 trojanscan_swarm
[i
].clone
= registerlocaluser(c_nick
, c_ident
, c_host
, c_real
, NULL
, modes
, &trojanscan_clonehandlemessages
);
625 trojanscan_swarm
[i
].fakeipnode
= fakeip
;
627 if(trojanscan_swarm
[i
].clone
&& !trojanscan_swarm_created
) {
628 nick
*np
= trojanscan_selectuser();
629 if(np
) /* select a 'random' sign on time for whois generation */
630 trojanscan_swarm
[i
].clone
->timestamp
= np
->timestamp
;
632 trojanscan_swarm
[i
].remaining
= trojanscan_minmaxrand(5, 100);
634 trojanscan_swarm
[i
].sitting
= 0;
638 void trojanscan_free_channels(void) {
640 if(trojanscan_chans
) {
641 for(i
=0;i
<trojanscan_activechans
;i
++)
642 freesstring(trojanscan_chans
[i
].channel
);
643 tfree(trojanscan_chans
);
644 trojanscan_chans
= NULL
;
645 trojanscan_activechans
= 0;
649 void trojanscan_repool(void *arg
) {
650 if (trojanscan_generatepool() < TROJANSCAN_MINPOOLSIZE
) {
651 trojanscan_hostmode
= 0;
654 trojanscan_hostmode
= 1;
655 trojanscan_poolschedule
= scheduleoneshot(time(NULL
) + TROJANSCAN_POOL_REGENERATION
, &trojanscan_repool
, NULL
);
659 void trojanscan_registerclones(void *arg
) {
662 if (trojanscan_generatepool() < TROJANSCAN_MINPOOLSIZE
) {
663 trojanscan_hostmode
= 0;
664 trojanscan_cloneschedule
= scheduleoneshot(time(NULL
) + 10, &trojanscan_registerclones
, NULL
);
667 trojanscan_hostmode
= 1;
668 trojanscan_poolschedule
= scheduleoneshot(time(NULL
) + TROJANSCAN_POOL_REGENERATION
, &trojanscan_repool
, NULL
);
669 trojanscan_cloneschedule
= NULL
;
672 for (i
=0;i
<TROJANSCAN_CLONE_TOTAL
;i
++)
673 trojanscan_generateclone((void *)((long)i
));
674 trojanscan_mainchanmsg("n: swarm (%d clones) created.", TROJANSCAN_CLONE_TOTAL
);
675 trojanscan_swarm_created
= 1;
677 trojanscan_initialschedule
= scheduleoneshot(time(NULL
) + 60, &trojanscan_fill_channels
, NULL
);
680 int trojanscan_status(void *sender
, int cargc
, char **cargv
) {
681 nick
*np
= (nick
*)sender
;
682 trojanscan_log(np
, "status", "");
683 trojanscan_reply(np
, "Channels in schedule: %d", trojanscan_activechans
);
684 trojanscan_reply(np
, "Channels in database: %d", trojanscan_database
.total_channels
);
685 trojanscan_reply(np
, "Phrases: %d", trojanscan_database
.total_phrases
);
686 trojanscan_reply(np
, "Worms: %d", trojanscan_database
.total_worms
);
687 trojanscan_reply(np
, "Detections: %d", trojanscan_database
.detections
);
688 trojanscan_reply(np
, "Glines: %d", trojanscan_database
.glines
);
689 trojanscan_reply(np
, "Host/tail pool size: %d", TROJANSCAN_POOLSIZE
);
690 trojanscan_reply(np
, "Cycletime: %d", trojanscan_cycletime
);
691 trojanscan_reply(np
, "Clones: %d", TROJANSCAN_CLONE_TOTAL
);
695 int trojanscan_chanlist(void *sender
, int cargc
, char **cargv
) {
697 nick
*np
= (nick
*)sender
;
698 char buf
[CHANNELLEN
* 2 + 20];
699 trojanscan_reply(np
, "Channel list (%d total):", trojanscan_activechans
);
702 for(i
=0;i
<trojanscan_activechans
;i
++) {
703 if(trojanscan_chans
[i
].channel
->length
+ 3 > sizeof(buf
) - strlen(buf
)) {
704 trojanscan_reply(np
, "%s", buf
);
708 /* if splidge sees this I'm going to die */
709 strlcat(buf
, trojanscan_chans
[i
].channel
->content
, sizeof(buf
));
710 strlcat(buf
, " ", sizeof(buf
));
713 trojanscan_reply(np
, "%s", buf
);
715 trojanscan_reply(np
, "Done.");
719 int trojanscan_whois(void *sender
, int cargc
, char **cargv
) {
721 nick
*np
= (nick
*)sender
, *np2
;
725 trojanscan_reply(np
, "Not enough parameters.");
729 if (cargv
[0][0] == '#') {
730 tochange
= cargv
[0] + 1;
733 np2
= getnickbynick(cargv
[0]);
735 trojanscan_reply(np
, "That nickname is not on the network.");
738 for(i
=0;i
<TROJANSCAN_CLONE_TOTAL
;i
++) {
739 if(trojanscan_swarm
[i
].clone
->nick
&& !ircd_strcmp(trojanscan_swarm
[i
].clone
->nick
, np2
->nick
)) {
740 trojanscan_reply(np
, "Nickname : %s", np2
->nick
);
741 trojanscan_reply(np
, "Swarm : yes", trojanscan_swarm
[i
].clone
->nick
);
745 if (!IsAccount(np2
)) {
746 trojanscan_reply(np
, "User is not authed.");
749 tochange
= np2
->authname
;
752 templevel
= trojanscan_user_level_by_authname(tochange
);
753 if (templevel
== -1) {
754 trojanscan_reply(np
, "User does not exist.");
756 union trojanscan_userlevel flags
;
757 flags
.number
= templevel
;
758 trojanscan_reply(np
, "Authname : %s", tochange
);
759 trojanscan_reply(np
, "Flags : +" TROJANSCAN_FLAG_MASK
, TrojanscanFlagsInfo(flags
));
765 void trojanscan_privmsg_chan_or_nick(channel
*cp
, nick
*np
, char *message
, ...) {
769 if (!trojanscan_nick
)
772 va_start(va
, message
);
773 vsnprintf(buf
, sizeof(buf
) - 1, message
, va
);
777 sendmessagetochannel(trojanscan_nick
, cp
, buf
);
779 sendmessagetouser(trojanscan_nick
, np
, buf
);
784 int trojanscan_mew(void *sender
, int cargc
, char **cargv
) {
785 nick
*np
= (nick
*)sender
, *np2
= NULL
;
789 trojanscan_reply(np
, "Not enough paramaters.");
793 if(cargv
[0][0] == '#') {
794 if (!(cp
= findchannel(cargv
[0]))) {
795 trojanscan_reply(np
, "Channel not found.");
798 trojanscan_log(np
, "mew", "%s %s", cp
->index
->name
->content
, cargv
[1]);
800 if (!(np2
= getnickbynick(cargv
[0]))) {
801 trojanscan_reply(np
, "Nickname is not present on the network.");
804 trojanscan_log(np
, "mew", "%s %s", np2
->nick
, cargv
[1]);
807 trojanscan_privmsg_chan_or_nick(cp
, np2
, "\001ACTION mews hopefully at %s\001", cargv
[1]);
810 trojanscan_reply(np
, "Mewed at %s in %s.", cargv
[1], cp
->index
->name
->content
);
812 trojanscan_reply(np
, "Mewed at %s at %s.", cargv
[1], np2
->nick
);
816 trojanscan_mainchanmsg("n: mew: %s %s (%s/%s)", cargv
[1], cp
?cp
->index
->name
->content
:np2
->nick
, np
->nick
, np
->authname
);
821 int trojanscan_cat(void *sender
, int cargc
, char **cargv
) {
822 nick
*np
= (nick
*)sender
, *np2
= NULL
;
828 trojanscan_reply(np
, "Not enough paramaters.");
832 if(cargv
[0][0] == '#') {
833 if (!(cp
= findchannel(cargv
[0]))) {
834 trojanscan_reply(np
, "Channel not found.");
837 trojanscan_log(np
, "cat", cp
->index
->name
->content
);
839 if (!(np2
= getnickbynick(cargv
[0]))) {
840 trojanscan_reply(np
, "Nickname is not present on the network.");
843 trojanscan_log(np
, "cat", np2
->nick
);
846 if ((!(cat
= fopen(TROJANSCAN_CAT
, "r")))) {
847 trojanscan_reply(np
, "Unable to open cat!");
851 while (fgets(buf
, sizeof(buf
) - 1, cat
)) {
852 if ((p
= strchr(buf
, '\n'))) {
854 trojanscan_privmsg_chan_or_nick(cp
, np2
, "%s", buf
);
855 } else if (feof(cat
)) {
856 trojanscan_privmsg_chan_or_nick(cp
, np2
, "%s", buf
);
863 trojanscan_reply(np
, "Spammed cat in %s.", cp
->index
->name
->content
);
865 trojanscan_reply(np
, "Spammed cat at %s.", np2
->nick
);
871 int trojanscan_reschedule(void *sender
, int cargc
, char **cargv
) {
872 nick
*np
= (nick
*)sender
;
873 trojanscan_log(np
, "reschedule", "");
874 trojanscan_fill_channels(NULL
);
876 trojanscan_reply(np
, "Rescheduled.");
880 int trojanscan_listusers(void *sender
, int cargc
, char **cargv
) {
881 nick
*np
= (nick
*)sender
;
883 trojanscan_log(np
, "listusers", "");
885 trojanscan_reply(np
, "User list:");
887 if (!(trojanscan_database_query("SELECT authname, authlevel FROM users ORDER BY authlevel DESC, authname"))) {
888 trojanscan_database_res
*res
;
889 if ((res
= trojanscan_database_store_result(&trojanscan_sql
))) {
890 if (trojanscan_database_num_rows(res
)) {
891 trojanscan_database_row sqlrow
;
892 union trojanscan_userlevel flags
;
893 while((sqlrow
= trojanscan_database_fetch_row(res
))) {
894 flags
.number
= atoi(sqlrow
[1]);
895 trojanscan_reply(np
, "%s +" TROJANSCAN_FLAG_MASK
, sqlrow
[0], TrojanscanIsDeveloper(flags
) ? "d" : "", TrojanscanIsTeamLeader(flags
) ? "t" : "", TrojanscanIsStaff(flags
) ? "s" : "", TrojanscanIsWebsite(flags
) ? "w" : "", TrojanscanIsCat(flags
) ? "c" : "");
898 trojanscan_database_free_result(res
);
902 trojanscan_reply(np
, "Done.");
906 int trojanscan_help(void *sender
, int cargc
, char **cargv
) {
907 nick
*np
= (nick
*)sender
;
910 trojanscan_reply(np
, "Not enough parameters.");
914 if (!strcasecmp("help", cargv
[0])) {
915 trojanscan_reply(np
, "Syntax: help <command name>");
916 trojanscan_reply(np
, "Gives help on commands.");
917 } else if (!strcasecmp("status", cargv
[0])) {
918 trojanscan_reply(np
, "Syntax: status");
919 trojanscan_reply(np
, "Gives statistical information about the bot.");
920 } else if (!strcasecmp("join", cargv
[0])) {
921 trojanscan_reply(np
, "Syntax: join <#channel>");
922 trojanscan_reply(np
, "Orders a clone to join supplied channel.");
923 } else if (!strcasecmp("showcommands", cargv
[0])) {
924 trojanscan_reply(np
, "Syntax: showcommands");
925 trojanscan_reply(np
, "Pretty obvious.");
926 } else if (!strcasecmp("hello", cargv
[0])) {
927 trojanscan_reply(np
, "Syntax: hello ?nickname?");
928 trojanscan_reply(np
, "Creates a new user.");
929 } else if (!strcasecmp("rehash", cargv
[0])) {
930 trojanscan_reply(np
, "Syntax: rehash");
931 trojanscan_reply(np
, "Reloads bot database.");
932 } else if (!strcasecmp("changelev", cargv
[0])) {
933 trojanscan_reply(np
, "Syntax: changelev <nickname or #authname> <flags>");
934 trojanscan_reply(np
, "Changes access flags of selected user to supplied input.");
935 trojanscan_reply(np
, "+d -> developer");
936 trojanscan_reply(np
, "+t -> team leader");
937 trojanscan_reply(np
, "+s -> staff");
938 trojanscan_reply(np
, "+w -> web management");
939 trojanscan_reply(np
, "+c -> cat access");
940 } else if (!strcasecmp("deluser", cargv
[0])) {
941 trojanscan_reply(np
, "Syntax: deluser <nickname or #authname>");
942 trojanscan_reply(np
, "Deletes selected user from my database.");
943 } else if (!strcasecmp("mew", cargv
[0])) {
944 trojanscan_reply(np
, "Syntax: mew <#channel or nickname> <nickname>");
945 trojanscan_reply(np
, "Gracefully mews at target in selected channel or query.");
946 } else if (!strcasecmp("cat", cargv
[0])) {
947 trojanscan_reply(np
, "Syntax: cat <#channel or nickname>");
948 trojanscan_reply(np
, "Shows the almightly cat.");
949 } else if (!strcasecmp("reschedule", cargv
[0])) {
950 trojanscan_reply(np
, "Syntax: reschedule");
951 trojanscan_reply(np
, "Recalculates bots schedule.");
952 } else if (!strcasecmp("chanlist", cargv
[0])) {
953 trojanscan_reply(np
, "Syntax: chanlist");
954 trojanscan_reply(np
, "Displays bots current channel list.");
955 } else if (!strcasecmp("whois", cargv
[0])) {
956 trojanscan_reply(np
, "Syntax: whois <nickname or #authname>");
957 trojanscan_reply(np
, "Displays information on given user.");
958 } else if (!strcasecmp("whois", cargv
[0])) {
959 trojanscan_reply(np
, "Syntax: listusers <flags>");
960 trojanscan_reply(np
, "Displays users with listusersing flags.");
962 trojanscan_reply(np
, "Command not found.");
969 int trojanscan_hello(void *sender
, int cargc
, char **cargv
) {
970 nick
*np
= (nick
*)sender
, *toadd
;
971 char eaccount
[TROJANSCAN_QUERY_TEMP_BUF_SIZE
];
975 toadd
= getnickbynick(cargv
[0]);
977 trojanscan_reply(np
, "That nickname is not on the network.");
980 if (!IsAccount(toadd
)) {
981 trojanscan_reply(np
, "That user is not authed with the network.");
985 if (!IsAccount(np
)) {
986 trojanscan_reply(np
, "You are not authed with the network, auth before creating your user.");
992 if (trojanscan_user_level_by_authname(toadd
->authname
)!=-1) {
993 trojanscan_reply(np
, "Authname (%s) is already on file.", toadd
->authname
);
997 trojanscan_log(np
, "hello", toadd
->authname
);
999 if (!(trojanscan_database_query("SELECT id FROM users LIMIT 1"))) {
1000 trojanscan_database_res
*res
;
1001 if ((res
= trojanscan_database_store_result(&trojanscan_sql
))) {
1002 if (trojanscan_database_num_rows(res
) == 0)
1003 level
= TROJANSCAN_ACL_DEVELOPER
| TROJANSCAN_ACL_STAFF
| TROJANSCAN_ACL_WEBSITE
| TROJANSCAN_ACL_CAT
;
1004 trojanscan_database_free_result(res
);
1008 trojanscan_database_escape_string(eaccount
, toadd
->authname
, strlen(toadd
->authname
));
1009 trojanscan_database_query("INSERT INTO users (authname, authlevel) VALUES ('%s', %d)", eaccount
, level
);
1010 trojanscan_reply(np
, "Account added to database, account %s%s.", toadd
->authname
, level
>0?" (first user so developer access)":"");
1015 int trojanscan_user_level_by_authname(char *authname
) {
1016 int result
= -1, sl
= strlen(authname
);
1017 char eaccount
[TROJANSCAN_QUERY_TEMP_BUF_SIZE
];
1019 trojanscan_database_escape_string(eaccount
, authname
, sl
);
1020 if (!(trojanscan_database_query("SELECT authlevel, authname FROM users WHERE authname = '%s'", eaccount
))) {
1021 trojanscan_database_res
*res
;
1022 if ((res
= trojanscan_database_store_result(&trojanscan_sql
))) {
1023 if (trojanscan_database_num_rows(res
) > 0) {
1024 trojanscan_database_row sqlrow
= trojanscan_database_fetch_row(res
);
1025 result
= atoi(sqlrow
[0]);
1026 strlcpy(authname
, sqlrow
[1], sl
+ 1);
1028 trojanscan_database_free_result(res
);
1034 int trojanscan_user_id_by_authname(char *authname
) {
1036 char eaccount
[TROJANSCAN_QUERY_TEMP_BUF_SIZE
];
1038 trojanscan_database_escape_string(eaccount
, authname
, strlen(authname
));
1039 if (!(trojanscan_database_query("SELECT id FROM users WHERE authname = '%s'", eaccount
))) {
1040 trojanscan_database_res
*res
;
1041 if ((res
= trojanscan_database_store_result(&trojanscan_sql
))) {
1042 if (trojanscan_database_num_rows(res
) > 0) {
1043 trojanscan_database_row sqlrow
= trojanscan_database_fetch_row(res
);
1044 result
= atoi(sqlrow
[0]);
1046 trojanscan_database_free_result(res
);
1052 struct trojanscan_clones
*trojanscan_selectclone(char type
) {
1053 struct trojanscan_clones
*rc
;
1054 int randomclone
, hits
= 0, minlimit
, maxlimit
;
1056 if(type
== TROJANSCAN_WATCH_CLONES
) {
1057 minlimit
= TROJANSCAN_CLONE_MAX
;
1058 maxlimit
= minlimit
+ TROJANSCAN_WATCHCLONE_MAX
- 1;
1061 maxlimit
= TROJANSCAN_CLONE_MAX
- 1;
1065 randomclone
= trojanscan_minmaxrand(minlimit
, maxlimit
);
1068 rc
= &trojanscan_swarm
[randomclone
];
1069 if ((type
== TROJANSCAN_NORMAL_CLONES
) && (rc
->sitting
== 0) && (rc
->remaining
== 0))
1072 } while (rc
->remaining
== 0);
1074 if(type
== TROJANSCAN_NORMAL_CLONES
) {
1075 if ((rc
->sitting
== 0) && (rc
->remaining
== 0)) {
1076 if ((!rc
->remaining
) && (!rc
->sitting
)) {
1078 deregisterlocaluser(rc
->clone
, NULL
);
1079 derefnode(iptree
, rc
->fakeipnode
);
1082 trojanscan_generateclone((void *)((long)rc
->index
));
1091 /* hack hack hack */
1092 int trojanscan_nickbanned(trojanscan_clones
*np
, channel
*cp
) {
1094 patricia_node_t
*realipnode
= np
->clone
->ipnode
;
1096 np
->clone
->ipnode
= np
->fakeipnode
;
1098 ret
= nickbanned(np
->clone
, cp
);
1100 np
->clone
->ipnode
= realipnode
;
1105 struct trojanscan_realchannels
*trojanscan_allocaterc(char *chan
) {
1106 struct trojanscan_realchannels
*rc
;
1107 struct trojanscan_clones
*clonep
;
1109 int attempts_left
= 10;
1112 trojanscan_errorcode
= 1; /* sorry splidge ;( */
1116 if(chan
[0] != '#') {
1117 trojanscan_errorcode
= 2;
1121 if (strlen(chan
) > 1) {
1122 if(strrchr(chan
, ',')) {
1123 trojanscan_errorcode
= 3;
1127 if(strrchr(chan
, ' ')) {
1128 trojanscan_errorcode
= 4;
1133 cp
= findchannel(chan
);
1135 trojanscan_errorcode
= 5;
1140 clonep
= trojanscan_selectclone(TROJANSCAN_NORMAL_CLONES
);
1142 trojanscan_errorcode
= 6;
1145 if(!trojanscan_nickbanned(clonep
, cp
))
1147 } while (--attempts_left
> 0);
1149 if (!attempts_left
) {
1150 trojanscan_errorcode
= 7;
1154 rc
= (struct trojanscan_realchannels
*)tmalloc(sizeof(struct trojanscan_realchannels
));
1164 void trojanscan_join(struct trojanscan_realchannels
*rc
) {
1165 struct trojanscan_realchannels
*rp
= trojanscan_realchanlist
;
1167 if (rc
->clone
&& rc
->clone
->clone
) {
1168 if (!localjoinchannel(rc
->clone
->clone
, rc
->chan
)) {
1169 rc
->clone
->remaining
--;
1170 rc
->clone
->sitting
++;
1171 if (trojanscan_minmaxrand(1, TROJANSCAN_NICKCHANGE_ODDS
)%TROJANSCAN_NICKCHANGE_ODDS
== 0)
1172 trojanscan_donickchange((void *)rc
->clone
);
1174 rc
->schedule
= scheduleoneshot(time(NULL
)+trojanscan_part_time
, &trojanscan_dopart
, (void *)rc
);
1177 for(;rp
->next
;rp
=rp
->next
);
1180 trojanscan_realchanlist
= rc
;
1187 int trojanscan_userjoin(void *sender
, int cargc
, char **cargv
) {
1188 nick
*np
= (nick
*)sender
;
1189 struct trojanscan_realchannels
*rc
;
1192 trojanscan_reply(np
, "Not enough paramaters");
1196 if (!trojanscan_swarm_created
) {
1197 trojanscan_reply(np
, "My swarm is currently empty.");
1201 if((rc
= trojanscan_allocaterc(cargv
[0]))) {
1202 trojanscan_log(np
, "join", cargv
[0]);
1203 trojanscan_join(rc
);
1204 trojanscan_reply(np
, "Clone has joined channel.");
1206 trojanscan_mainchanmsg("n: join: %s (%s/%s)", cargv
[0], np
->nick
, np
->authname
);
1208 if (trojanscan_errorcode
== 5) {
1209 trojanscan_reply(np
, "Not joining empty channel, check you entered the correct channel name.");
1211 trojanscan_reply(np
, "Clone could not join channel (error code %d)!", trojanscan_errorcode
);
1217 int trojanscan_rehash(void *sender
, int cargc
, char **cargv
) {
1218 nick
*np
= (void *)sender
;
1219 trojanscan_refresh_settings();
1220 trojanscan_read_database(0);
1221 trojanscan_log(np
, "rehash", "");
1222 trojanscan_reply(np
, "Done.");
1226 int trojanscan_changelev(void *sender
, int cargc
, char **cargv
) {
1227 nick
*np
= (nick
*)sender
, *np2
;
1229 char eaccount
[TROJANSCAN_QUERY_TEMP_BUF_SIZE
], *tochange
, *p
, mode
= 1, error
= 0, clast
= 0, specialcase
;
1230 union trojanscan_userlevel flags1
, flags2
;
1233 trojanscan_reply(np
, "Not enough parameters.");
1237 templevel
= trojanscan_user_level_by_authname(np
->authname
);
1239 if (templevel
== -1) {
1240 trojanscan_reply(np
, "You do not have an account.");
1244 flags1
.number
= templevel
;
1246 if (cargv
[0][0] == '#') {
1247 tochange
= cargv
[0] + 1;
1249 np2
= getnickbynick(cargv
[0]);
1251 trojanscan_reply(np
, "That nickname is not on the network.");
1254 if (!IsAccount(np2
)) {
1255 trojanscan_reply(np
, "That user is not authed with the network.");
1258 tochange
= np2
->authname
;
1261 templevel
= trojanscan_user_level_by_authname(tochange
);
1263 if (templevel
== -1) {
1264 trojanscan_reply(np
, "User does not exist.");
1268 flags2
.number
= templevel
;
1270 if (!ircd_strcmp(np
->authname
, tochange
)) {
1276 for (p
=cargv
[1];*p
;p
++) {
1283 if (!TrojanscanIsDeveloper(flags1
))
1285 flags2
.values
.developer
= mode
;
1288 if (!TrojanscanIsDeveloper(flags1
))
1290 flags2
.values
.teamleader
= mode
;
1293 if (!TrojanscanIsLeastTeamLeader(flags1
))
1295 flags2
.values
.staff
= mode
;
1298 if (!TrojanscanIsDeveloper(flags1
))
1300 flags2
.values
.website
= mode
;
1303 if (!TrojanscanIsDeveloper(flags1
))
1305 flags2
.values
.cat
= mode
;
1313 if (specialcase
&& !mode
) { /* allow user to remove their own flags */
1324 trojanscan_reply(np
, "Unknown mode: %c%c.", mode
?'+':'-', *p
);
1326 trojanscan_reply(np
, "You have insufficient privilidges to add/remove one or more flags specified.");
1331 trojanscan_log(np
, "changelev", "%s %s", tochange
, cargv
[1]);
1332 trojanscan_database_escape_string(eaccount
, tochange
, strlen(tochange
));
1333 trojanscan_database_query("UPDATE users SET authlevel = %d WHERE authname = '%s'", flags2
.number
, eaccount
);
1335 trojanscan_reply(np
, "Flags changed.");
1340 int trojanscan_deluser(void *sender
, int cargc
, char **cargv
) {
1341 nick
*np
= (nick
*)sender
, *to
;
1343 char eaccount
[TROJANSCAN_QUERY_TEMP_BUF_SIZE
], *account
;
1344 union trojanscan_userlevel flags1
, flags2
;
1347 trojanscan_reply(np
, "Not enough parameters.");
1351 if (cargv
[0][0] == '#') {
1352 account
= cargv
[0] + 1;
1354 to
= getnickbynick(cargv
[0]);
1356 trojanscan_reply(np
, "That nickname is not on the network.");
1359 if (!IsAccount(to
)) {
1360 trojanscan_reply(np
, "That user is not authed with the network.");
1363 account
= to
->authname
;
1366 flags1
.number
= trojanscan_user_level_by_authname(np
->authname
);
1367 templevel
= trojanscan_user_level_by_authname(account
);
1369 if (templevel
== -1) {
1370 trojanscan_reply(np
, "Auth %s does not exist.", account
);
1374 flags2
.number
= templevel
;
1376 if (!TrojanscanIsDeveloper(flags1
) && TrojanscanIsLeastTeamLeader(flags2
)) {
1377 trojanscan_reply(np
, "Your cannot delete %s as his/her flags equal or surpass your own.", account
);
1381 trojanscan_log(np
, "deluser", account
);
1382 trojanscan_database_escape_string(eaccount
, account
, strlen(account
));
1383 trojanscan_database_query("DELETE FROM users WHERE authname = '%s'", eaccount
);
1384 trojanscan_reply(np
, "User deleted.");
1389 int trojanscan_add_ll(struct trojanscan_prechannels
**head
, struct trojanscan_prechannels
*newitem
) {
1390 struct trojanscan_prechannels
*position
, *lastitem
= NULL
, *location
= NULL
;
1393 newitem
->next
= NULL
;
1394 if (newitem
->exempt
) {
1400 /* if its exempt, we don't give a monkeys where it is... */
1401 if (newitem
->exempt
) {
1402 newitem
->next
= *head
;
1407 for(position
=*head
;position
;lastitem
=position
,position
=position
->next
) {
1408 if (!ircd_strcmp(position
->name
->content
, newitem
->name
->content
)) {
1412 if (!location
&& (position
->size
< newitem
->size
)) {
1416 location
= lastitem
;
1421 newitem
->next
= NULL
;
1422 lastitem
->next
= newitem
;
1424 newitem
->next
= location
->next
;
1425 location
->next
= newitem
;
1427 if(newitem
->exempt
) {
1434 void trojanscan_watch_clone_update(struct trojanscan_prechannels
*hp
, int count
) {
1436 struct trojanscan_prechannels
*lp
;
1437 struct trojanscan_templist
*markedlist
= NULL
;
1440 markedlist
= (struct trojanscan_templist
*)tmalloc(count
* sizeof(struct trojanscan_templist
));
1443 memset(markedlist
, 0, sizeof(struct trojanscan_templist
) * count
);
1446 for(i
=0;i
<trojanscan_activechans
;i
++) {
1449 for(lp
=hp
,j
=0;j
<count
&&lp
;j
++,lp
=lp
->next
) {
1450 if(!markedlist
[j
].active
&& !lp
->exempt
&& !ircd_strcmp(lp
->name
->content
, trojanscan_chans
[i
].channel
->content
)) { /* we're already on the channel */
1451 if(trojanscan_chans
[i
].watch_clone
) {
1452 markedlist
[j
].active
= 1;
1453 markedlist
[j
].watch_clone
= trojanscan_chans
[i
].watch_clone
;
1454 lp
->watch_clone
= trojanscan_chans
[i
].watch_clone
;
1461 if(!marked
&& trojanscan_chans
[i
].watch_clone
) {
1462 channel
*cp
= findchannel(trojanscan_chans
[i
].channel
->content
);
1464 localpartchannel(trojanscan_chans
[i
].watch_clone
->clone
, cp
, NULL
);
1471 for(j
=0,lp
=hp
;j
<count
&&lp
;j
++,lp
=lp
->next
) {
1472 if((!markedlist
[j
].active
|| !markedlist
[j
].watch_clone
) && !lp
->exempt
) {
1473 channel
*cp
= findchannel(lp
->name
->content
);
1477 lp
->watch_clone
= trojanscan_selectclone(TROJANSCAN_WATCH_CLONES
);
1478 if(!lp
->watch_clone
)
1480 if(!trojanscan_nickbanned(lp
->watch_clone
, cp
)) {
1481 if(localjoinchannel(lp
->watch_clone
->clone
, cp
))
1482 lp
->watch_clone
= NULL
;
1485 } while(--attempts
> 0);
1487 lp
->watch_clone
= NULL
;
1496 void trojanscan_fill_channels(void *arg
) {
1497 struct trojanscan_prechannels
*head
= NULL
, *lp
, *last
= NULL
;
1498 int i
, count
, tempctime
= 0;
1502 for (count
=i
=0;i
<trojanscan_database
.total_channels
;i
++) {
1503 lp
= (trojanscan_prechannels
*)tmalloc(sizeof(trojanscan_prechannels
));
1504 lp
->name
= trojanscan_database
.channels
[i
].name
;
1506 lp
->exempt
= trojanscan_database
.channels
[i
].exempt
;
1507 lp
->watch_clone
= NULL
;
1508 if (trojanscan_add_ll(&head
, lp
))
1512 for (i
=0;i
<CHANNELHASHSIZE
;i
++) {
1513 for(chn
=chantable
[i
];chn
;chn
=chn
->next
) {
1514 if (chn
->channel
&& !IsKey(chn
->channel
) && !IsInviteOnly(chn
->channel
) && !IsRegOnly(chn
->channel
) && (chn
->channel
->users
->totalusers
>= trojanscan_minchansize
)) {
1515 lp
= (trojanscan_prechannels
*)tmalloc(sizeof(trojanscan_prechannels
));
1516 lp
->name
= chn
->name
;
1517 lp
->size
= chn
->channel
->users
->totalusers
;
1519 lp
->watch_clone
= NULL
;
1520 if (trojanscan_add_ll(&head
, lp
))
1526 count
= TROJANSCAN_MMIN(count
, trojanscan_maxchans
);
1528 trojanscan_watch_clone_update(head
, count
);
1530 trojanscan_free_channels();
1531 trojanscan_chans
= (struct trojanscan_inchannel
*)tmalloc(count
* sizeof(struct trojanscan_inchannel
));
1532 memset(trojanscan_chans
, 0, count
* sizeof(struct trojanscan_inchannel
));
1533 trojanscan_activechans
= count
;
1536 for(lp
=head
;lp
;last
=lp
,lp
=lp
->next
) {
1537 if (!(lp
->exempt
) && (i
< count
)) {
1538 trojanscan_chans
[i
].channel
= getsstring(lp
->name
->content
, lp
->name
->length
);
1539 trojanscan_chans
[i
++].watch_clone
= lp
->watch_clone
;
1548 if (trojanscan_activechans
> 0) {
1549 tempctime
= trojanscan_cycletime
/ trojanscan_activechans
;
1552 trojanscan_mainchanmsg("d: just escaped a divide by zero error (no activechans!), rescheduling in 60 seconds");
1555 if(trojanscan_schedule
)
1556 deleteschedule(trojanscan_schedule
, &trojanscan_dojoin
, NULL
);
1558 trojanscan_channumber
= 0;
1560 trojanscan_schedule
= schedulerecurring(time(NULL
) + tempctime
, trojanscan_activechans
+ 1, tempctime
, trojanscan_dojoin
, NULL
);
1564 void trojanscan_dojoin(void *arg
) {
1565 struct trojanscan_realchannels
*rc
;
1566 if (trojanscan_channumber
>= trojanscan_activechans
) {
1567 trojanscan_schedule
= NULL
;
1568 trojanscan_fill_channels(NULL
);
1570 if ((rc
= trojanscan_allocaterc(trojanscan_chans
[trojanscan_channumber
++].channel
->content
)))
1571 trojanscan_join(rc
);
1576 void trojanscan_dopart(void *arg
) {
1577 struct trojanscan_realchannels
*rc
= (struct trojanscan_realchannels
*)arg
, *rp
, *past
= NULL
;
1579 if (rc
->kickedout
) { /* there's a join scheduled, wait for it (reschedule) */
1580 rc
->schedule
= scheduleoneshot(time(NULL
)+5, &trojanscan_dopart
, (void *)rc
);
1584 if (rc
->clone
->clone
&& (!(rc
->donotpart
)))
1585 localpartchannel(rc
->clone
->clone
, rc
->chan
, NULL
);
1587 rc
->clone
->sitting
--;
1589 for(rp
=trojanscan_realchanlist
;rp
;rp
=rp
->next
) {
1592 trojanscan_realchanlist
= rp
->next
;
1594 past
->next
= rp
->next
;
1604 void trojanscan_donickchange(void *arg
) { /* just incase I choose to make this schedule at some point */
1605 struct trojanscan_clones
*clone
= (trojanscan_clones
*)arg
;
1606 if (clone
&& clone
->clone
) {
1607 char c_nick
[NICKLEN
+1];
1609 /* PPA: unlikely to be infinite */
1611 if ((loops
++ < 10) && trojanscan_hostmode
) {
1612 trojanscan_generatenick(c_nick
, NICKLEN
);
1614 trojanscan_gennick(c_nick
, trojanscan_minmaxrand(7, TROJANSCAN_MMIN(13, NICKLEN
)));
1616 } while (c_nick
[0] && (getnickbynick(c_nick
) != NULL
));
1618 renamelocaluser(clone
->clone
, c_nick
);
1623 int trojanscan_keysort(const void *v1
, const void *v2
) {
1624 return ((*(trojanscan_prechannels
**)v2
)->size
- (*(trojanscan_prechannels
**)v1
)->size
);
1627 int trojanscan_showcommands(void *sender
, int cargc
, char **cargv
) {
1628 nick
*np
= (nick
*)sender
;
1629 Command
*cmdlist
[100];
1633 n
= getcommandlist(trojanscan_cmds
, cmdlist
, 100);
1635 trojanscan_reply(np
, "The following commands are registered at present:");
1638 if (cmdlist
[i
]->level
& TROJANSCAN_ACL_STAFF
) {
1640 } else if (cmdlist
[i
]->level
& TROJANSCAN_ACL_DEVELOPER
) {
1642 } else if (cmdlist
[i
]->level
& TROJANSCAN_ACL_TEAMLEADER
) {
1644 } else if (cmdlist
[i
]->level
& TROJANSCAN_ACL_CAT
) {
1646 } else if (cmdlist
[i
]->level
& TROJANSCAN_ACL_WEBSITE
) {
1648 } else if (cmdlist
[i
]->level
& TROJANSCAN_ACL_UNAUTHED
) {
1652 trojanscan_reply(np
, "%s (+%c)", cmdlist
[i
]->command
->content
, level
);
1654 trojanscan_reply(np
, "%s", cmdlist
[i
]->command
->content
);
1657 trojanscan_reply(np
, "End of list.");
1661 void trojanscan_handlemessages(nick
*target
, int messagetype
, void **args
) {
1664 int cargc
, templevel
;
1666 union trojanscan_userlevel level
;
1668 switch(messagetype
) {
1671 /* If it's a message, first arg is nick and second is message */
1672 sender
= (nick
*)args
[0];
1674 if(strncmp(TROJANSCAN_VERSION_DETECT
, args
[1], sizeof(TROJANSCAN_VERSION_DETECT
)-1)==0) {
1675 char p
= ((char *)args
[1])[sizeof(TROJANSCAN_VERSION_DETECT
)-1];
1676 if((p
== ' ') || (p
== '\0') || (p
== 1)) {
1677 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
);
1682 /* Split the line into params */
1683 cargc
= splitline((char *)args
[1], cargv
, 50, 0);
1684 if(cargc
== 0 || !cargv
[0])
1687 cmd
=findcommandintree(trojanscan_cmds
, cargv
[0], 1);
1689 trojanscan_reply(sender
, "Unknown command.");
1693 if ((cmd
->level
& TROJANSCAN_ACL_OPER
) && !IsOper(sender
)) {
1694 trojanscan_reply(sender
, "You need to be opered to use this command.");
1698 /* bit grim code... */
1700 if (!(cmd
->level
& TROJANSCAN_ACL_UNAUTHED
)) {
1701 if (!IsAccount(sender
)) {
1702 trojanscan_reply(sender
, "You must be authed with the network to access this command!");
1705 templevel
= trojanscan_user_level_by_authname(sender
->authname
);
1707 if (templevel
== -1) {
1708 trojanscan_reply(sender
, "You do not have an account.");
1712 level
.number
= templevel
;
1714 if ((cmd
->level
& TROJANSCAN_ACL_DEVELOPER
) && !TrojanscanIsDeveloper(level
)) {
1715 trojanscan_reply(sender
, "Access denied.");
1718 if ((cmd
->level
& TROJANSCAN_ACL_TEAMLEADER
) && !TrojanscanIsLeastTeamLeader(level
)) {
1719 trojanscan_reply(sender
, "Access denied.");
1722 if ((cmd
->level
& TROJANSCAN_ACL_STAFF
) && !TrojanscanIsLeastStaff(level
)) {
1723 trojanscan_reply(sender
, "Access denied.");
1726 if ((cmd
->level
& TROJANSCAN_ACL_CAT
) && !TrojanscanIsCat(level
)) {
1727 trojanscan_reply(sender
, "Access denied.");
1730 if ((cmd
->level
& TROJANSCAN_ACL_WEBSITE
) && !TrojanscanIsLeastWebsite(level
)) {
1731 trojanscan_reply(sender
, "Access denied.");
1736 /* Check the maxargs */
1737 if (cmd
->maxparams
<(cargc
-1)) {
1738 /* We need to do some rejoining */
1739 rejoinline(cargv
[cmd
->maxparams
], cargc
-(cmd
->maxparams
));
1740 cargc
= (cmd
->maxparams
) + 1;
1743 (cmd
->handler
)((void *)sender
, cargc
- 1, &(cargv
[1]));
1747 /* someone killed me? Bastards */
1748 trojanscan_connect_nick_schedule
= scheduleoneshot(time(NULL
) + 1, &trojanscan_connect_nick
, NULL
);
1749 trojanscan_nick
= NULL
;
1757 static char trojanscan_getmtfromhooktype(int input
) {
1759 case HOOK_CHANNEL_PART
: return 'P';
1760 default: return '?';
1764 char trojanscan_getmtfrommessagetype(int input
) {
1766 case LU_PRIVMSG
: return 'm';
1767 case LU_PRIVNOTICE
: return 'n';
1768 case LU_SECUREMSG
: return 's';
1769 case LU_CHANMSG
: return 'M';
1770 case LU_CHANNOTICE
: return 'N';
1771 default: return '?';
1775 static void trojanscan_process(nick
*sender
, channel
*cp
, char mt
, char *pretext
) {
1779 struct trojanscan_worms
*worm
;
1780 int vector
[30], detected
= 0;
1782 trojanscan_strip_codes(text
, sizeof(text
) - 1, pretext
);
1786 for(i
=0;i
<trojanscan_database
.total_phrases
;i
++) {
1789 (worm
= trojanscan_database
.phrases
[i
].worm
)
1794 (mt
== 'm') || (mt
== 's') || (mt
== 'n')
1797 (trojanscan_database
.phrases
[i
].worm
->hitpriv
)
1802 (mt
== 'M') || (mt
== 'N') || (mt
== 'P')
1805 (trojanscan_database
.phrases
[i
].worm
->hitchans
)
1809 (trojanscan_database
.phrases
[i
].phrase
)
1811 int pre
= pcre_exec(trojanscan_database
.phrases
[i
].phrase
, trojanscan_database
.phrases
[i
].hint
, text
, len
, 0, 0, vector
, 30);
1815 matchbuf
[512] = 0; /* hmm */
1818 if(pcre_copy_substring(text
, vector
, pre
, 1, matchbuf
, sizeof(matchbuf
) - 1) <= 0)
1821 trojanscan_phrasematch(cp
, sender
, &trojanscan_database
.phrases
[i
], mt
, matchbuf
);
1828 if (!detected
&& (mt
!= 'N') && (mt
!= 'M')) {
1829 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
];
1830 trojanscan_database_escape_string(etext
, text
, len
);
1831 trojanscan_database_escape_string(enick
, sender
->nick
, strlen(sender
->nick
));
1832 trojanscan_database_escape_string(eident
, sender
->ident
, strlen(sender
->ident
));
1833 trojanscan_database_escape_string(ehost
, sender
->host
->name
->content
, sender
->host
->name
->length
);
1834 trojanscan_database_query("INSERT INTO unknownlog (data, user) VALUES ('%s','%s!%s@%s')", etext
, enick
, eident
, ehost
);
1838 void trojanscan_clonehandlemessages(nick
*target
, int messagetype
, void **args
) {
1839 char *pretext
= NULL
;
1841 struct trojanscan_realchannels
*rp
;
1842 struct trojanscan_rejoinlist
*rj
;
1843 char mt
= trojanscan_getmtfrommessagetype(messagetype
);
1848 switch(messagetype
) {
1853 pretext
= (char *)args
[1];
1857 sender
= (nick
*)args
[0];
1859 if (strlen(sender
->nick
) < 2)
1863 pretext
= (char *)args
[2];
1867 if(strncmp(TROJANSCAN_VERSION_DETECT
, pretext
, sizeof(TROJANSCAN_VERSION_DETECT
)-1)==0) {
1868 char p
= pretext
[sizeof(TROJANSCAN_VERSION_DETECT
)-1];
1869 if((p
== ' ') || (p
== '\0') || (p
== 1)) {
1871 if (IsOper(sender
)) {
1874 if (IsAccount(sender
)) {
1875 int templevel
= trojanscan_user_level_by_authname(sender
->authname
);
1876 if (templevel
!= -1) {
1877 union trojanscan_userlevel level
;
1878 level
.number
= templevel
;
1879 if (TrojanscanIsLeastStaff(level
))
1885 if(trojanscan_nick
) {
1886 sendnoticetouser(target
, sender
, "\001VERSION T clone, check T for confirmation.\001");
1887 sendnoticetouser(trojanscan_nick
, sender
, "\001VERSION %s is part of my swarm.\001", target
->nick
);
1889 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");
1892 sendnoticetouser(target
, sender
, "\001VERSION %s\001", versionreply
);
1899 trojanscan_process(sender
, cp
, mt
, pretext
);
1902 /* someone killed me? Bastards */
1904 /* PPA: we do NOT rejoin channels at this moment in time, it is possible to do this though */
1905 for (i
=0;i
<TROJANSCAN_CLONE_TOTAL
;i
++) {
1906 if (trojanscan_swarm
[i
].clone
== target
) {
1908 scheduleoneshot(time(NULL
)+1, &trojanscan_generateclone
, (void *)((long)i
));
1909 if(i
>= TROJANSCAN_CLONE_MAX
) {
1911 for(j
=0;j
<trojanscan_activechans
;j
++)
1912 if(trojanscan_chans
[j
].watch_clone
== &trojanscan_swarm
[i
])
1913 trojanscan_chans
[j
].watch_clone
= NULL
;
1915 for(rp
=trojanscan_realchanlist
;rp
;rp
=rp
->next
)
1916 if ((rp
->clone
== &(trojanscan_swarm
[i
])))
1919 derefnode(iptree
, trojanscan_swarm
[i
].fakeipnode
);
1920 trojanscan_swarm
[i
].clone
= NULL
;
1921 trojanscan_swarm
[i
].remaining
= 0; /* bah */
1928 channel_name
= ((channel
*)args
[1])->index
->name
->content
;
1929 for (i
=0;i
<trojanscan_activechans
;i
++) {
1930 if (!trojanscan_chans
[i
].watch_clone
)
1932 if ((trojanscan_chans
[i
].watch_clone
->clone
== target
) && (!strcmp(trojanscan_chans
[i
].channel
->content
, channel_name
)))
1935 if(i
!= trojanscan_activechans
) {
1937 for(j
=0;j
<TROJANSCAN_CLONE_TOTAL
;j
++) {
1938 if(&trojanscan_swarm
[j
] == trojanscan_chans
[i
].watch_clone
) {
1939 trojanscan_chans
[i
].watch_clone
= NULL
;
1945 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)");
1947 rj
= (struct trojanscan_rejoinlist
*)tmalloc(sizeof(struct trojanscan_rejoinlist
));
1950 for(rp
=trojanscan_realchanlist
;rp
;rp
=rp
->next
)
1951 if ((rp
->clone
->clone
== target
) && (rp
->chan
== args
[1])) {
1961 rj
->channel
= getsstring(((channel
*)args
[1])->index
->name
->content
, ((channel
*)args
[1])->index
->name
->length
);
1963 trojanscan_mainchanmsg("d: unable to allocate memory for channel: %s upon rejoin", ((channel
*)args
[1])->index
->name
->content
);
1968 rj
->clone
= rp
->clone
;
1969 rj
->next
= trojanscan_schedulerejoins
;
1970 trojanscan_schedulerejoins
= rj
;
1972 rj
->schedule
= scheduleoneshot(time(NULL
)+1, &trojanscan_rejoin_channel
, (void *)rj
);
1981 static void trojanscan_part_watch(int hook
, void *arg
) {
1982 void **arglist
= (void **)arg
;
1983 channel
*cp
= (channel
*)arglist
[0];
1984 nick
*np
= arglist
[1];
1985 char *reason
= arglist
[2];
1987 if(!cp
|| !np
|| !reason
|| (*reason
== '\0'))
1990 trojanscan_process(np
, cp
, trojanscan_getmtfromhooktype(hook
), reason
);
1993 static int trojanscan_hostcount(nick
*sender
, int hostmode
, char *mask
, int masklen
) {
1994 int usercount
= 0, j
;
1995 nick
*np
= NULL
; /* sigh at warnings */
1998 for (j
=0;j
<NICKHASHSIZE
;j
++)
1999 for (np
=nicktable
[j
];np
;np
=np
->next
)
2000 if (np
->ipnode
==sender
->ipnode
)
2003 if(usercount
> TROJANSCAN_MAX_HOST_GLINE
) {
2009 for (j
=0;j
<NICKHASHSIZE
;j
++)
2010 for (np
=nicktable
[j
];np
;np
=np
->next
)
2011 if (np
->ipnode
==sender
->ipnode
&& !ircd_strcmp(np
->ident
, sender
->ident
))
2015 snprintf(mask
, masklen
, "%s@%s", hostmode
?"*":sender
->ident
, IPtostr(sender
->p_ipaddr
));
2020 void trojanscan_phrasematch(channel
*chp
, nick
*sender
, trojanscan_phrases
*phrase
, char messagetype
, char *matchbuf
) {
2021 char glinemask
[HOSTLEN
+ USERLEN
+ NICKLEN
+ 4], enick
[TROJANSCAN_QUERY_TEMP_BUF_SIZE
], eident
[TROJANSCAN_QUERY_TEMP_BUF_SIZE
], ehost
[TROJANSCAN_QUERY_TEMP_BUF_SIZE
];
2022 unsigned int frequency
;
2023 int glining
= 0, usercount
;
2024 struct trojanscan_worms
*worm
= phrase
->worm
;
2026 trojanscan_database
.detections
++;
2029 if (worm
->monitor
) {
2031 } else if(worm
->glinehost
|| worm
->glineuser
) {
2034 usercount
= trojanscan_hostcount(sender
, worm
->glinehost
, glinemask
, sizeof(glinemask
));
2038 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
);
2042 if (glining
&& (usercount
> trojanscan_maxusers
)) {
2043 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
);
2047 if (glining
&& !worm
->datalen
) {
2048 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
);
2052 trojanscan_database_escape_string(enick
, sender
->nick
, strlen(sender
->nick
));
2053 trojanscan_database_escape_string(eident
, sender
->ident
, strlen(sender
->ident
));
2054 trojanscan_database_escape_string(ehost
, sender
->host
->name
->content
, sender
->host
->name
->length
);
2058 if (!(trojanscan_database_query("SELECT COUNT(*) FROM hits WHERE glined = %d AND host = '%s'", glining
, ehost
))) {
2059 trojanscan_database_res
*res
;
2060 if ((res
= trojanscan_database_store_result(&trojanscan_sql
))) {
2061 trojanscan_database_row sqlrow
;
2062 if ((trojanscan_database_num_rows(res
) > 0) && (sqlrow
= trojanscan_database_fetch_row(res
)))
2063 frequency
= atoi(sqlrow
[0]) + 1;
2064 trojanscan_database_free_result(res
);
2069 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
:"");
2070 #ifdef TROJANSCAN_PEONCHANNEL
2071 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
:"");
2074 int glinetime
= TROJANSCAN_FIRST_OFFENSE
* frequency
* (worm
->epidemic
?TROJANSCAN_EPIDEMIC_MULTIPLIER
:1);
2075 if(glinetime
> 7 * 24)
2076 glinetime
= 7 * 24; /* can't set glines over 7 days with normal non U:lined glines */
2078 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
);
2079 trojanscan_database
.glines
++;
2081 irc_send("%s GL * +%s %d :You (%s!%s@%s) are infected with a trojan (%s/%d), see %s%d for details - banned for %d hours\r\n", mynumeric
->content
, glinemask
, glinetime
* 3600, sender
->nick
, sender
->ident
, sender
->host
->name
->content
, worm
->name
->content
, phrase
->id
, TROJANSCAN_URL_PREFIX
, worm
->id
, glinetime
);
2083 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
:"");
2087 void trojanscan_rejoin_channel(void *arg
) {
2088 struct trojanscan_rejoinlist
*rj2
, *lrj
, *rj
= (struct trojanscan_rejoinlist
*)arg
;
2090 channel
*cp
= findchannel(rj
->channel
->content
);
2091 freesstring(rj
->channel
);
2094 rj
->rp
->kickedout
--;
2096 rj
->rp
->donotpart
= 1; /* we were the last user on the channel, so we need to be VERY careful freeing it */
2098 if(!rj
->rp
->donotpart
&& !rj
->rp
->kickedout
) { /* check we're allowed to join channels (not killed), and we're the last one to join */
2099 if (trojanscan_nickbanned(rj
->clone
, cp
)) {
2100 rj
->rp
->donotpart
= 1;
2102 localjoinchannel(rj
->clone
->clone
, cp
);
2108 rj2
= trojanscan_schedulerejoins
;
2112 trojanscan_schedulerejoins
= rj
->next
;
2115 for(rj2
=trojanscan_schedulerejoins
;rj2
;lrj
=rj2
,rj2
=rj2
->next
) {
2117 lrj
->next
= rj2
->next
;
2126 void trojanscan_reply(nick
*target
, char *message
, ... ) {
2130 if (!trojanscan_nick
)
2133 va_start(va
, message
);
2134 vsnprintf(buf
, sizeof(buf
) - 1, message
, va
);
2137 sendnoticetouser(trojanscan_nick
, target
, "%s", buf
);
2141 void trojanscan_mainchanmsg(char *message
, ...) {
2146 if (!trojanscan_nick
)
2148 if (!(cp
= findchannel(TROJANSCAN_CHANNEL
)))
2151 va_start(va
, message
);
2152 vsnprintf(buf
, sizeof(buf
) - 1, message
, va
);
2155 sendmessagetochannel(trojanscan_nick
, cp
, "%s", buf
);
2158 #ifdef TROJANSCAN_PEONCHANNEL
2159 void trojanscan_peonchanmsg(char *message
, ...) {
2164 if (!trojanscan_nick
)
2166 if (!(cp
= findchannel(TROJANSCAN_PEONCHANNEL
)))
2169 va_start(va
, message
);
2170 vsnprintf(buf
, sizeof(buf
) - 1, message
, va
);
2173 sendmessagetochannel(trojanscan_nick
, cp
, "%s", buf
);
2177 int trojanscan_minmaxrand(float min
, float max
) {
2178 return (int)((max
-min
+1)*rand()/(RAND_MAX
+min
))+min
;
2181 char *trojanscan_iptostr(char *buf
, int buflen
, unsigned int ip
) {
2182 snprintf(buf
, buflen
, "%d.%d.%d.%d", ip
>> 24, (ip
>> 16) & 255, (ip
>> 8) & 255, ip
& 255);
2186 char trojanscan_genchar(int ty
) {
2187 /* hostname and realname characters*/
2189 if (!(trojanscan_minmaxrand(0, 40) % 10)) {
2190 return trojanscan_minmaxrand(48, 57);
2192 return trojanscan_minmaxrand(97, 122);
2194 /* ident characters - without numbers*/
2195 } else if (ty
== 1) {
2196 return trojanscan_minmaxrand(97, 122);
2197 /* ident characters - with numbers*/
2198 } else if (ty
== 2) {
2199 ty
= trojanscan_minmaxrand(97, 125);
2200 if (ty
> 122) return trojanscan_minmaxrand(48, 57);
2202 /* nick characters - with and without numbers*/
2203 } else if (ty
== 3 || ty
== 4) {
2204 if (!(trojanscan_minmaxrand(0, 59) % 16)) {
2205 char weirdos
[6] = { '\\', '|', '[', '{', ']', '}' };
2206 return weirdos
[trojanscan_minmaxrand(0, 5)];
2209 ty
= trojanscan_minmaxrand(65, 93);
2210 if (ty
> 90) return trojanscan_minmaxrand(48, 57);
2212 ty
= trojanscan_minmaxrand(65, 90);
2214 if (!(trojanscan_minmaxrand(0, 40) % 8)) return ty
;
2222 void trojanscan_gennick(char *ptc
, char size
) {
2224 for (i
=0;i
<size
;i
++) {
2226 ptc
[i
] = trojanscan_genchar(3);
2228 ptc
[i
] = trojanscan_genchar(4);
2234 void trojanscan_genident(char *ptc
, char size
) {
2236 for (i
=0;i
<size
;i
++) {
2238 ptc
[i
] = trojanscan_genchar(1);
2240 ptc
[i
] = trojanscan_genchar(2);
2246 void trojanscan_genhost(char *ptc
, char size
, patricia_node_t
**fakeipnode
) {
2247 int dots
= trojanscan_minmaxrand(2, 5), i
, dotexist
= 0, cur
;
2248 struct irc_in_addr ipaddress
;
2251 for (i
=0;i
<size
;i
++) {
2252 ptc
[i
] = trojanscan_genchar(0);
2253 if ((i
> 5) && (i
< (size
-4))) {
2254 if ((ptc
[i
-1] != '.') && (ptc
[i
-1] != '-')) {
2255 cur
= trojanscan_minmaxrand(1,size
/ dots
);
2270 memset(&ipaddress
, 0, sizeof(ipaddress
));
2271 ((unsigned short *)(ipaddress
.in6_16
))[5] = 65535;
2272 ((unsigned short *)(ipaddress
.in6_16
))[6] = trojanscan_minmaxrand(0, 65535);
2273 ((unsigned short *)(ipaddress
.in6_16
))[7] = trojanscan_minmaxrand(0, 65535);
2275 *fakeipnode
= refnode(iptree
, &ipaddress
, PATRICIA_MAXBITS
);
2278 void trojanscan_genreal(char *ptc
, char size
) {
2279 int spaces
= trojanscan_minmaxrand(2, 4), i
;
2280 for (i
=0;i
<size
;i
++) {
2281 ptc
[i
] = trojanscan_genchar(0);
2282 if ((i
> 5) && (i
< (size
-4))) {
2283 if (ptc
[i
-1] != ' ') {
2284 if (trojanscan_minmaxrand(1,size
/ spaces
) == 1) ptc
[i
] = ' ';
2291 int trojanscan_is_not_octet(char *begin
, int length
) {
2295 for(i
=0;i
<length
;i
++) {
2296 if (!((*begin
>= '0') && (*begin
<= '9')))
2303 int trojanscan_generatepool(void) {
2304 int i
, k
= 0, j
= 0, loops
= 0;
2308 for (i
=0;i
<NICKHASHSIZE
;i
++)
2309 for (np
=nicktable
[i
];np
;np
=np
->next
)
2312 if(j
< trojanscan_min_hosts
)
2315 if(TROJANSCAN_HOST_MODE
== TROJANSCAN_STEAL_HOST
)
2316 return TROJANSCAN_MINPOOLSIZE
;
2320 for (j
=trojanscan_minmaxrand(0, NICKHASHSIZE
-1);j
<NICKHASHSIZE
;j
++) {
2322 for(p
=nicktable
[j
]->host
->name
->content
, pp
=p
;*p
;) {
2324 if (!trojanscan_is_not_octet(pp
, p
-pp
)) {
2325 if (i
< TROJANSCAN_POOLSIZE
) {
2326 if (i
< trojanscan_hostpoolsize
)
2327 freesstring(trojanscan_hostpool
[i
]);
2328 trojanscan_hostpool
[i
] = getsstring(pp
, p
-pp
);
2331 if (k
>= TROJANSCAN_POOLSIZE
)
2338 if (!trojanscan_is_not_octet(pp
, p
-pp
)) {
2339 if (k
< TROJANSCAN_POOLSIZE
) {
2340 if (k
< trojanscan_tailpoolsize
)
2341 freesstring(trojanscan_tailpool
[k
]);
2342 trojanscan_tailpool
[k
] = getsstring(pp
, p
-pp
);
2345 if (i
>= TROJANSCAN_POOLSIZE
)
2352 } while ((loops
< 5) && ((i
< TROJANSCAN_POOLSIZE
) || (k
< TROJANSCAN_POOLSIZE
)));
2354 trojanscan_hostpoolsize
= i
;
2355 trojanscan_tailpoolsize
= k
;
2359 nick
*trojanscan_selectuser(void) {
2360 int target
= trojanscan_minmaxrand(0, 500), loops
= 150, j
;
2363 for (j
=trojanscan_minmaxrand(0, NICKHASHSIZE
-1);j
<NICKHASHSIZE
;j
++)
2364 for(np
=nicktable
[j
];np
;np
=np
->next
)
2367 } while(--loops
> 0);
2371 host
*trojanscan_selecthost(void) {
2372 int target
= trojanscan_minmaxrand(0, 500), loops
= 150, j
;
2375 for (j
=trojanscan_minmaxrand(0, HOSTHASHSIZE
-1);j
<HOSTHASHSIZE
;j
++)
2376 for(hp
=hosttable
[j
];hp
;hp
=hp
->next
)
2379 } while(--loops
> 0);
2384 void trojanscan_generatehost(char *buf
, int maxsize
, patricia_node_t
**fakeip
) {
2385 struct irc_in_addr ipaddress
;
2387 if(TROJANSCAN_HOST_MODE
== TROJANSCAN_STEAL_HOST
) {
2394 hp
= trojanscan_selecthost();
2395 if(hp
&& (hp
->clonecount
<= TROJANSCAN_MAX_CLONE_COUNT
) && !trojanscan_isip(hp
->name
->content
)) {
2396 strlcpy(buf
, hp
->name
->content
, maxsize
+ 1);
2398 *fakeip
= hp
->nicks
->ipnode
;
2399 patricia_ref_prefix(hp
->nicks
->ipnode
->prefix
);
2401 memset(&ipaddress
, 0, sizeof(ipaddress
));
2402 ((unsigned short *)(ipaddress
.in6_16
))[5] = 65535;
2403 ((unsigned short *)(ipaddress
.in6_16
))[6] = trojanscan_minmaxrand(0, 65535);
2404 ((unsigned short *)(ipaddress
.in6_16
))[7] = trojanscan_minmaxrand(0, 65535);
2406 *fakeip
= refnode(iptree
, &ipaddress
, PATRICIA_MAXBITS
);
2410 } while(--loops
> 0);
2413 int pieces
= trojanscan_minmaxrand(2, 4), totallen
= 0, a
= 0, i
;
2414 int *choices
= tmalloc(sizeof(int) * (pieces
+ 1));
2415 int *lengths
= tmalloc(sizeof(int) * (pieces
+ 1));
2417 choices
[pieces
] = trojanscan_minmaxrand(0, trojanscan_tailpoolsize
-1);
2418 lengths
[pieces
] = strlen(trojanscan_tailpool
[choices
[pieces
]]->content
) + 1;
2419 totallen
+= lengths
[pieces
];
2421 for (i
=0;i
<pieces
;i
++) {
2422 choices
[i
] = trojanscan_minmaxrand(0, trojanscan_hostpoolsize
-1);
2423 lengths
[i
] = strlen(trojanscan_hostpool
[choices
[i
]]->content
) + 1;
2424 if (totallen
+lengths
[i
] > maxsize
) {
2425 choices
[i
] = choices
[pieces
];
2426 lengths
[i
] = lengths
[pieces
];
2430 totallen
+= lengths
[i
];
2433 for (i
=0;i
<pieces
;i
++) {
2434 for (cpos
=trojanscan_hostpool
[choices
[i
]]->content
; *cpos
;)
2439 for (cpos
=trojanscan_tailpool
[choices
[i
]]->content
; *cpos
;) {
2447 memset(&ipaddress
, 0, sizeof(ipaddress
));
2448 ((unsigned short *)(ipaddress
.in6_16
))[5] = 65535;
2449 ((unsigned short *)(ipaddress
.in6_16
))[6] = trojanscan_minmaxrand(0, 65535);
2450 ((unsigned short *)(ipaddress
.in6_16
))[7] = trojanscan_minmaxrand(0, 65535);
2452 *fakeip
= refnode(iptree
, &ipaddress
, PATRICIA_MAXBITS
);
2456 void trojanscan_generatenick(char *buf
, int maxsize
) {
2457 int bits
= trojanscan_minmaxrand(2, 3), loops
= 0, wanttocopy
, len
= 0, i
, d
= 0, newmaxsize
= maxsize
- trojanscan_minmaxrand(0, 7);
2461 maxsize
= newmaxsize
;
2464 np
= trojanscan_selectuser();
2466 wanttocopy
= trojanscan_minmaxrand(1, (strlen(np
->nick
) / 2) + 3);
2467 for(i
=0;((i
<wanttocopy
) && (len
<maxsize
));i
++)
2468 buf
[len
++] = np
->nick
[i
];
2474 } while (++loops
< 10);
2478 void trojanscan_generateident(char *buf
, int maxsize
) {
2479 nick
*np
= trojanscan_selectuser();
2482 strlcpy(buf
, np
->ident
, maxsize
+ 1);
2485 void trojanscan_generaterealname(char *buf
, int maxsize
) {
2486 nick
*np
= trojanscan_selectuser();
2489 strlcpy(buf
, np
->realname
->name
->content
, maxsize
+ 1);
2492 void trojanscan_database_close(void) {
2493 mysql_close(&trojanscan_sql
);
2496 int trojanscan_database_connect(char *dbhost
, char *dbuser
, char *dbpass
, char *db
, unsigned int port
) {
2497 mysql_init(&trojanscan_sql
);
2498 if (!mysql_real_connect(&trojanscan_sql
, dbhost
, dbuser
, dbpass
, db
, port
, NULL
, 0))
2503 void trojanscan_database_escape_string(char *dest
, char *source
, size_t length
) {
2504 mysql_escape_string(dest
, source
, length
);
2507 int trojanscan_database_query(char *format
, ...) {
2508 char trojanscan_sqlquery
[TROJANSCAN_QUERY_BUF_SIZE
];
2511 va_start(va
, format
);
2512 vsnprintf(trojanscan_sqlquery
, sizeof(trojanscan_sqlquery
) - 1, format
, va
);
2514 return mysql_query(&trojanscan_sql
, trojanscan_sqlquery
);
2517 int trojanscan_database_num_rows(trojanscan_database_res
*res
) {
2518 return mysql_num_rows(res
);
2521 trojanscan_database_res
*trojanscan_database_store_result() {
2522 return mysql_store_result(&trojanscan_sql
);
2525 trojanscan_database_row
trojanscan_database_fetch_row(trojanscan_database_res
*res
) {
2526 return mysql_fetch_row(res
);
2529 void trojanscan_database_free_result(trojanscan_database_res
*res
) {
2530 mysql_free_result(res
);
2533 int trojanscan_isip(char *host
) {
2534 char *p
= host
, components
= 0, length
= 0;
2538 if(((!length
) || (length
= 0)) || (++components
> 3))
2541 if ((++length
> 3) || !isdigit(*p
))
2545 return components
== 3;