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"
20 #define tmalloc(x) nsmalloc(POOL_TROJANSCAN, x)
21 #define tfree(x) nsfree(POOL_TROJANSCAN, x)
23 MODULE_VERSION(TROJANSCAN_VERSION
);
25 void trojanscan_phrasematch(channel
*chp
, nick
*sender
, trojanscan_phrases
*phrase
, char messagetype
, char *matchbuf
);
26 char *trojanscan_sanitise(char *input
);
27 void trojanscan_refresh_settings(void);
28 static void trojanscan_part_watch(int hook
, void *arg
);
29 static void trojanscan_connect_nick(void *);
31 #define TROJANSCAN_SETTING_SIZE 256
32 #define TROJANSCAN_MAX_SETTINGS 50
35 char setting
[TROJANSCAN_SETTING_SIZE
];
36 char value
[TROJANSCAN_SETTING_SIZE
];
37 } trojanscan_settings
[TROJANSCAN_MAX_SETTINGS
];
39 static int settingcount
= 0;
40 static char *versionreply
;
41 static int hooksregistered
= 0;
42 static void *trojanscan_connect_nick_schedule
;
45 trojanscan_cmds
= newcommandtree();
47 addcommandtotree(trojanscan_cmds
, "showcommands", TROJANSCAN_ACL_UNAUTHED
, 0, &trojanscan_showcommands
);
48 addcommandtotree(trojanscan_cmds
, "help", TROJANSCAN_ACL_UNAUTHED
, 1, &trojanscan_help
);
49 addcommandtotree(trojanscan_cmds
, "hello", TROJANSCAN_ACL_UNAUTHED
| TROJANSCAN_ACL_OPER
, 1, &trojanscan_hello
);
51 addcommandtotree(trojanscan_cmds
, "join", TROJANSCAN_ACL_STAFF
, 1, &trojanscan_userjoin
);
52 addcommandtotree(trojanscan_cmds
, "chanlist", TROJANSCAN_ACL_STAFF
, 0, &trojanscan_chanlist
);
53 addcommandtotree(trojanscan_cmds
, "whois", TROJANSCAN_ACL_STAFF
, 1, &trojanscan_whois
);
55 addcommandtotree(trojanscan_cmds
, "changelev", TROJANSCAN_ACL_STAFF
| TROJANSCAN_ACL_OPER
, 2, &trojanscan_changelev
);
56 addcommandtotree(trojanscan_cmds
, "deluser", TROJANSCAN_ACL_TEAMLEADER
| TROJANSCAN_ACL_OPER
, 2, &trojanscan_deluser
);
57 addcommandtotree(trojanscan_cmds
, "mew", TROJANSCAN_ACL_STAFF
, 2, &trojanscan_mew
);
58 addcommandtotree(trojanscan_cmds
, "status", TROJANSCAN_ACL_STAFF
| TROJANSCAN_ACL_OPER
, 0, &trojanscan_status
);
59 addcommandtotree(trojanscan_cmds
, "listusers", TROJANSCAN_ACL_TEAMLEADER
, 0, &trojanscan_listusers
);
61 addcommandtotree(trojanscan_cmds
, "rehash", TROJANSCAN_ACL_WEBSITE
, 0, &trojanscan_rehash
);
63 addcommandtotree(trojanscan_cmds
, "cat", TROJANSCAN_ACL_OPER
, 1, &trojanscan_cat
);
65 addcommandtotree(trojanscan_cmds
, "reschedule", TROJANSCAN_ACL_DEVELOPER
| TROJANSCAN_ACL_OPER
, 0, &trojanscan_reschedule
);
67 srand((int)time(NULL
));
69 trojanscan_connect_schedule
= scheduleoneshot(time(NULL
) + 1, &trojanscan_connect
, NULL
);
74 struct trojanscan_realchannels
*rp
= trojanscan_realchanlist
, *oldrp
;
75 struct trojanscan_rejoinlist
*rj
= trojanscan_schedulerejoins
, *oldrj
;
78 deregisterlocaluser(trojanscan_nick
, NULL
);
80 if (trojanscan_connect_schedule
)
81 deleteschedule(trojanscan_connect_schedule
, &trojanscan_connect
, NULL
);
83 if (trojanscan_connect_nick_schedule
)
84 deleteschedule(trojanscan_connect_nick_schedule
, &trojanscan_connect_nick
, NULL
);
86 if(trojanscan_schedule
)
87 deleteschedule(trojanscan_schedule
, &trojanscan_dojoin
, NULL
);
89 if(trojanscan_poolschedule
)
90 deleteschedule(trojanscan_poolschedule
, &trojanscan_repool
, NULL
);
92 if(trojanscan_cloneschedule
)
93 deleteschedule(trojanscan_poolschedule
, &trojanscan_registerclones
, NULL
);
96 deregisterhook(HOOK_CHANNEL_PART
, trojanscan_part_watch
);
99 deleteschedule(rp
->schedule
, &trojanscan_dopart
, (void *)rp
);
106 deleteschedule(rj
->schedule
, &trojanscan_rejoin_channel
, (void *)rj
);
107 freesstring(rj
->channel
);
113 if(trojanscan_initialschedule
)
114 deleteschedule(trojanscan_initialschedule
, &trojanscan_fill_channels
, NULL
);
116 deleteschedule(trojanscan_rehashschedule
, &trojanscan_rehash_schedule
, NULL
);
118 for (i
=0;i
<TROJANSCAN_CLONE_TOTAL
;i
++)
119 if(trojanscan_swarm
[i
].clone
) {
120 deregisterlocaluser(trojanscan_swarm
[i
].clone
, NULL
);
121 derefnode(iptree
, trojanscan_swarm
[i
].fakeipnode
);
122 trojanscan_swarm
[i
].clone
= NULL
;
124 trojanscan_free_database();
125 trojanscan_free_channels();
127 for (i
=0;i
<trojanscan_hostpoolsize
;i
++)
128 freesstring(trojanscan_hostpool
[i
]);
130 for (i
=0;i
<trojanscan_tailpoolsize
;i
++)
131 freesstring(trojanscan_tailpool
[i
]);
132 trojanscan_database_close();
134 deletecommandfromtree(trojanscan_cmds
, "showcommands", &trojanscan_showcommands
);
135 deletecommandfromtree(trojanscan_cmds
, "help", &trojanscan_help
);
136 deletecommandfromtree(trojanscan_cmds
, "hello", &trojanscan_hello
);
137 deletecommandfromtree(trojanscan_cmds
, "join", &trojanscan_userjoin
);
138 deletecommandfromtree(trojanscan_cmds
, "chanlist", &trojanscan_chanlist
);
139 deletecommandfromtree(trojanscan_cmds
, "whois", &trojanscan_whois
);
140 deletecommandfromtree(trojanscan_cmds
, "changelev", &trojanscan_changelev
);
141 deletecommandfromtree(trojanscan_cmds
, "deluser", &trojanscan_deluser
);
142 deletecommandfromtree(trojanscan_cmds
, "mew", &trojanscan_mew
);
143 deletecommandfromtree(trojanscan_cmds
, "status", &trojanscan_status
);
144 deletecommandfromtree(trojanscan_cmds
, "listusers", &trojanscan_listusers
);
145 deletecommandfromtree(trojanscan_cmds
, "rehash", &trojanscan_rehash
);
146 deletecommandfromtree(trojanscan_cmds
, "cat", &trojanscan_cat
);
147 deletecommandfromtree(trojanscan_cmds
, "reschedule", &trojanscan_reschedule
);
149 destroycommandtree(trojanscan_cmds
);
150 nscheckfreeall(POOL_TROJANSCAN
);
153 static void trojanscan_connect_nick(void *arg
) {
154 sstring
*mnick
, *myident
, *myhost
, *myrealname
, *myauthname
;
157 mnick
= getcopyconfigitem("trojanscan", "nick", "T", NICKLEN
);
158 myident
= getcopyconfigitem("trojanscan", "ident", "trojanscan", NICKLEN
);
159 myhost
= getcopyconfigitem("trojanscan", "hostname", "trojanscan.quakenet.org", HOSTLEN
);
160 myrealname
= getcopyconfigitem("trojanscan", "realname", "Trojanscan v" TROJANSCAN_VERSION
, REALLEN
);
161 myauthname
= getcopyconfigitem("trojanscan", "authname", "T", ACCOUNTLEN
);
163 trojanscan_nick
= registerlocaluser(mnick
->content
, myident
->content
, myhost
->content
, myrealname
->content
, myauthname
->content
, UMODE_SERVICE
| UMODE_DEAF
|
164 UMODE_OPER
| UMODE_INV
|
166 &trojanscan_handlemessages
);
168 freesstring(myident
);
170 freesstring(myrealname
);
171 freesstring(myauthname
);
173 cp
= findchannel(TROJANSCAN_OPERCHANNEL
);
175 localcreatechannel(trojanscan_nick
, TROJANSCAN_OPERCHANNEL
);
177 if(!localjoinchannel(trojanscan_nick
, cp
))
178 localgetops(trojanscan_nick
, cp
);
181 cp
= findchannel(TROJANSCAN_CHANNEL
);
183 localcreatechannel(trojanscan_nick
, TROJANSCAN_CHANNEL
);
185 if(!localjoinchannel(trojanscan_nick
, cp
))
186 localgetops(trojanscan_nick
, cp
);
189 #ifdef TROJANSCAN_PEONCHANNEL
190 cp
= findchannel(TROJANSCAN_PEONCHANNEL
);
192 localcreatechannel(trojanscan_nick
, TROJANSCAN_PEONCHANNEL
);
194 if(!localjoinchannel(trojanscan_nick
, cp
))
195 localgetops(trojanscan_nick
, cp
);
200 void trojanscan_connect(void *arg
) {
201 sstring
*dbhost
, *dbuser
, *dbpass
, *db
, *dbport
, *temp
;
205 trojanscan_connect_schedule
= NULL
;
207 for(i
=0;i
<TROJANSCAN_CLONE_TOTAL
;i
++)
208 trojanscan_swarm
[i
].index
= i
; /* sure this could be done with pointer arithmetic... */
210 trojanscan_hostpoolsize
= 0;
211 trojanscan_tailpoolsize
= 0;
212 trojanscan_hostmode
= 0;
213 trojanscan_poolschedule
= NULL
;
214 trojanscan_cloneschedule
= NULL
;
215 trojanscan_realchanlist
= NULL
;
216 trojanscan_database
.glines
= 0;
217 trojanscan_database
.detections
= 0;
219 dbhost
= getcopyconfigitem("trojanscan", "dbhost", "localhost", HOSTLEN
);
220 dbuser
= getcopyconfigitem("trojanscan", "dbuser", "", NICKLEN
);
221 dbpass
= getcopyconfigitem("trojanscan", "dbpass", "", REALLEN
);
222 db
= getcopyconfigitem("trojanscan", "db", "", NICKLEN
);
224 dbport
= getcopyconfigitem("trojanscan", "dbport", "3306", ACCOUNTLEN
);
226 length
= snprintf(buf
, sizeof(buf
) - 1, "%d", TROJANSCAN_DEFAULT_MAXCHANS
);
227 temp
= getcopyconfigitem("trojanscan", "maxchans", buf
, length
);
229 trojanscan_maxchans
= atoi(temp
->content
);
232 length
= snprintf(buf
, sizeof(buf
) - 1, "%d", TROJANSCAN_DEFAULT_CYCLETIME
);
233 temp
= getcopyconfigitem("trojanscan", "cycletime", buf
, length
);
235 trojanscan_cycletime
= atoi(temp
->content
);
238 length
= snprintf(buf
, sizeof(buf
) - 1, "%d", TROJANSCAN_DEFAULT_PARTTIME
);
239 temp
= getcopyconfigitem("trojanscan", "parttime", buf
, length
);
240 trojanscan_part_time
= atoi(temp
->content
);
243 length
= snprintf(buf
, sizeof(buf
) - 1, "%d", TROJANSCAN_DEFAULT_MAXUSERS
);
244 temp
= getcopyconfigitem("trojanscan", "maxusers", buf
, length
);
245 trojanscan_maxusers
= atoi(temp
->content
);
248 length
= snprintf(buf
, sizeof(buf
) - 1, "%d", TROJANSCAN_MINIMUM_HOSTS_BEFORE_POOL
);
249 temp
= getcopyconfigitem("trojanscan", "minpoolhosts", buf
, length
);
250 trojanscan_min_hosts
= atoi(temp
->content
);
253 if ((trojanscan_cycletime
/ trojanscan_maxchans
) < 1) {
254 Error("trojanscan", ERR_FATAL
, "Cycletime / maxchans < 1, increase cycletime or decrease maxchans else cycling breaks.");
255 return; /* PPA: module failed to load */
258 length
= snprintf(buf
, sizeof(buf
) - 1, "%d", TROJANSCAN_DEFAULT_MINIMUM_CHANNEL_SIZE
);
259 temp
= getcopyconfigitem("trojanscan", "minchansize", buf
, length
);
260 trojanscan_minchansize
= atoi(temp
->content
);
263 trojanscan_connect_nick(NULL
);
265 if (trojanscan_database_connect(dbhost
->content
, dbuser
->content
, dbpass
->content
, db
->content
, atoi(dbport
->content
)) < 0) {
266 Error("trojanscan", ERR_FATAL
, "Cannot connect to database host!");
267 return; /* PPA: module failed to load */
270 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)");
271 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)");
272 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)");
273 trojanscan_database_query("CREATE TABLE channels (id INT(10) PRIMARY KEY AUTO_INCREMENT, channel VARCHAR(%d) NOT NULL, exempt BOOL DEFAULT 0)", CHANNELLEN
);
274 trojanscan_database_query("CREATE TABLE users (id INT(10) PRIMARY KEY AUTO_INCREMENT, authname VARCHAR(%d) NOT NULL, authlevel TINYINT(4) NOT NULL)", ACCOUNTLEN
);
275 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
);
276 trojanscan_database_query("CREATE TABLE settings (id INT(10) PRIMARY KEY AUTO_INCREMENT, setting VARCHAR(255) NOT NULL UNIQUE, value VARCHAR(255) NOT NULL)");
277 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)");
278 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);
280 trojanscan_database_query("DELETE FROM settings WHERE setting = 'rehash' OR setting = 'changed'");
281 trojanscan_database_query("INSERT INTO settings (setting, value) VALUES ('rehash','0')");
282 trojanscan_database_query("INSERT INTO settings (setting, value) VALUES ('changed','0')");
284 /* assumption: constants aren't supplied by someone evil */
285 trojanscan_database_query("INSERT INTO settings (setting, value) VALUES ('versionreply','" TROJANSCAN_DEFAULT_VERSION_REPLY
"')");
287 trojanscan_refresh_settings();
288 trojanscan_read_database(1);
295 trojanscan_registerclones(NULL
);
297 trojanscan_rehashschedule
= scheduleoneshot(time(NULL
) + 60, &trojanscan_rehash_schedule
, NULL
);
299 registerhook(HOOK_CHANNEL_PART
, trojanscan_part_watch
);
303 char *trojanscan_get_setting(char *setting
) {
306 for(i
=0;i
<settingcount
;i
++)
307 if(!strcmp(trojanscan_settings
[i
].setting
, setting
))
308 return trojanscan_settings
[i
].value
;
313 void trojanscan_refresh_settings(void) {
314 trojanscan_database_res
*res
;
315 trojanscan_database_row sqlrow
;
318 if(trojanscan_database_query("SELECT setting, value FROM settings"))
321 if(!(res
= trojanscan_database_store_result(&trojanscan_sql
)))
324 if (trojanscan_database_num_rows(res
) <= 0)
327 while((sqlrow
= trojanscan_database_fetch_row(res
))) {
328 strlcpy(trojanscan_settings
[i
].setting
, sqlrow
[0], TROJANSCAN_SETTING_SIZE
);
329 strlcpy(trojanscan_settings
[i
].value
, sqlrow
[1], TROJANSCAN_SETTING_SIZE
);
331 trojanscan_sanitise(trojanscan_settings
[i
].value
);
333 if(++i
== TROJANSCAN_MAX_SETTINGS
)
339 trojanscan_database_free_result(res
);
341 /* optimisation hack */
342 versionreply
= trojanscan_get_setting("versionreply");
345 void trojanscan_rehash_schedule(void *arg
) {
347 trojanscan_rehashschedule
= scheduleoneshot(time(NULL
) + 60, &trojanscan_rehash_schedule
, NULL
);
349 trojanscan_refresh_settings();
351 v
= trojanscan_get_setting("rehash");
352 if(v
&& v
[0] == '1') {
353 trojanscan_mainchanmsg("n: rehash initiated by website. . .");
354 trojanscan_read_database(0);
358 void trojanscan_free_database(void) {
360 for(i
=0;i
<trojanscan_database
.total_channels
;i
++)
361 freesstring(trojanscan_database
.channels
[i
].name
);
362 tfree(trojanscan_database
.channels
);
363 for(i
=0;i
<trojanscan_database
.total_phrases
;i
++) {
364 if (trojanscan_database
.phrases
[i
].phrase
)
365 pcre_free(trojanscan_database
.phrases
[i
].phrase
);
366 if (trojanscan_database
.phrases
[i
].hint
)
367 pcre_free(trojanscan_database
.phrases
[i
].hint
);
369 tfree(trojanscan_database
.phrases
);
370 for(i
=0;i
<trojanscan_database
.total_worms
;i
++)
371 freesstring(trojanscan_database
.worms
[i
].name
);
372 tfree(trojanscan_database
.worms
);
373 trojanscan_database
.total_channels
= 0;
374 trojanscan_database
.total_phrases
= 0;
375 trojanscan_database
.total_worms
= 0;
376 trojanscan_database
.channels
= NULL
;
377 trojanscan_database
.phrases
= NULL
;
378 trojanscan_database
.worms
= NULL
;
381 char *trojanscan_sanitise(char *input
) {
385 if(*p
== '\r' || *p
== '\n')
391 sstring
*trojanscan_getsstring(char *string
, int length
) {
394 for(i
=0;i
<length
;i
++) {
395 if ((string
[i
] == '\r') || (string
[i
] == '\n')) {
396 Error("trojanscan", ERR_WARNING
, "Error reading %s at position %d, set to ERROR!", string
, i
+1);
397 return getsstring("ERROR", sizeof("ERROR"));
401 return getsstring(string
, length
);
404 int trojanscan_strip_codes(char *buf
, size_t max
, char *original
) {
405 int i
, j
, length
= TROJANSCAN_MMIN(strlen(original
), max
-1);
406 char *p2
= original
, *p3
, flag
= 0;
408 for(i
=0;i
<length
+1;i
++) {
417 if ((i
+ 1) > length
)
419 if ((j
== 4) && flag
)
423 if ((j
== 0) && (!((*p2
>= '0') && (*p2
<= '9'))))
428 if ((i
+ 1) > length
)
430 if (!((*(p2
+ 1) >= '0') && (*(p2
+ 1) <= '9')))
433 } else if ((*p2
>= '0') && (*p2
<= '9')) {
441 if (!((*p2
>= '0') && (*p2
<= '9')))
447 if ((i
+ 1) > length
)
449 if (!((*(p2
+ 1) >= '0') && (*(p2
+ 1) <= '9')))
454 if ((j
== 3) && (!((*p2
>= '0') && (*p2
<= '9'))))
456 if ((j
== 4) && (!((*p2
>= '0') && (*p2
<= '9'))))
473 struct trojanscan_worms
*trojanscan_find_worm_by_id(int id
) {
475 for(i
=0;i
<trojanscan_database
.total_worms
;i
++)
476 if ((trojanscan_database
.worms
[i
].id
== id
))
477 return &trojanscan_database
.worms
[i
];
481 void trojanscan_read_database(int first_time
) {
483 int erroroffset
, i
, tempresult
;
485 trojanscan_database_res
*res
;
486 trojanscan_database_row sqlrow
;
489 trojanscan_free_database();
491 trojanscan_database
.total_channels
= 0;
492 trojanscan_database
.total_phrases
= 0;
493 trojanscan_database
.total_worms
= 0;
496 if (!(trojanscan_database_query("SELECT channel, exempt FROM channels"))) {
497 if ((res
= trojanscan_database_store_result(&trojanscan_sql
))) {
498 trojanscan_database
.total_channels
= trojanscan_database_num_rows(res
);
499 if (trojanscan_database
.total_channels
> 0) {
500 if ((trojanscan_database
.channels
= (trojanscan_channels
*)tmalloc(sizeof(trojanscan_channels
) * trojanscan_database
.total_channels
))) {
501 if ((trojanscan_database
.total_channels
>0) && trojanscan_database
.channels
) {
503 while((sqlrow
= trojanscan_database_fetch_row(res
))) {
504 trojanscan_database
.channels
[i
].name
= trojanscan_getsstring(trojanscan_sanitise(sqlrow
[0]), strlen(sqlrow
[0]));
505 trojanscan_database
.channels
[i
].exempt
= (sqlrow
[1][0] == '1');
511 trojanscan_database_free_result(res
);
515 if (!(trojanscan_database_query("SELECT id, wormname, glinetype, length(data), hitmsgs, hitchans, epidemic FROM worms"))) {
516 if ((res
= trojanscan_database_store_result(&trojanscan_sql
))) {
517 trojanscan_database
.total_worms
= trojanscan_database_num_rows(res
);
518 if (trojanscan_database
.total_worms
> 0) {
519 if ((trojanscan_database
.worms
= (trojanscan_worms
*)tmalloc(sizeof(trojanscan_worms
) * trojanscan_database
.total_worms
))) {
521 while((sqlrow
= trojanscan_database_fetch_row(res
))) {
522 trojanscan_database
.worms
[i
].id
= atoi(sqlrow
[0]);
523 trojanscan_database
.worms
[i
].name
= trojanscan_getsstring(trojanscan_sanitise(sqlrow
[1]), strlen(sqlrow
[1]));
524 tempresult
= atoi(sqlrow
[2]);
525 trojanscan_database
.worms
[i
].glineuser
= (tempresult
== 0);
526 trojanscan_database
.worms
[i
].glinehost
= (tempresult
== 1);
527 trojanscan_database
.worms
[i
].monitor
= (tempresult
== 2);
529 trojanscan_database
.worms
[i
].datalen
= ((atoi(sqlrow
[3]) == 0) ? 0 : 1);
531 trojanscan_database
.worms
[i
].datalen
= 0;
534 trojanscan_database
.worms
[i
].hitpriv
= (atoi(sqlrow
[4]) == 1);
535 trojanscan_database
.worms
[i
].hitchans
= (atoi(sqlrow
[5]) == 1);
536 trojanscan_database
.worms
[i
].epidemic
= (atoi(sqlrow
[6]) == 1);
542 trojanscan_database_free_result(res
);
546 if (!(trojanscan_database_query("SELECT id, phrase, wormid FROM phrases WHERE disabled = 0 ORDER BY priority DESC"))) {
547 if ((res
= trojanscan_database_store_result(&trojanscan_sql
))) {
548 trojanscan_database
.total_phrases
= trojanscan_database_num_rows(res
);
549 if (trojanscan_database
.total_phrases
> 0) {
550 if ((trojanscan_database
.phrases
= (trojanscan_phrases
*)tmalloc(sizeof(trojanscan_phrases
) * trojanscan_database
.total_phrases
))) {
552 while((sqlrow
= trojanscan_database_fetch_row(res
))) {
553 trojanscan_database
.phrases
[i
].id
= atoi(sqlrow
[0]);
554 trojanscan_database
.phrases
[i
].worm
= trojanscan_find_worm_by_id(atoi(sqlrow
[2]));
555 if (!(trojanscan_database
.phrases
[i
].phrase
= pcre_compile(sqlrow
[1], PCRE_CASELESS
, &error
, &erroroffset
, NULL
))) {
556 Error("trojanscan", ERR_WARNING
, "Error compiling expression %s at offset %d: %s", sqlrow
[1], erroroffset
, error
);
558 trojanscan_database
.phrases
[i
].hint
= pcre_study(trojanscan_database
.phrases
[i
].phrase
, 0, &error
);
560 Error("trojanscan", ERR_WARNING
, "Error studying expression %s: %s", sqlrow
[1], error
);
561 pcre_free(trojanscan_database
.phrases
[i
].phrase
);
562 trojanscan_database
.phrases
[i
].phrase
= NULL
;
569 trojanscan_database_free_result(res
);
573 trojanscan_database_query("UPDATE settings SET value = '0' where setting = 'rehash'");
576 void trojanscan_log(nick
*np
, char *event
, char *details
, ...) {
578 char eevent
[TROJANSCAN_QUERY_TEMP_BUF_SIZE
], edetails
[TROJANSCAN_QUERY_TEMP_BUF_SIZE
], buf
[513];
581 va_start(va
, details
);
582 vsnprintf(buf
, sizeof(buf
) - 1, details
, va
);
587 nickid
= trojanscan_user_id_by_authname(np
->authname
);
589 trojanscan_database_escape_string(eevent
, event
, strlen(event
));
590 trojanscan_database_escape_string(edetails
, buf
, strlen(buf
));
591 trojanscan_database_query("INSERT INTO logs (userid, act, description) VALUES ('%d', '%s', '%s')", nickid
, eevent
, edetails
);
594 void trojanscan_generateclone(void *arg
) {
595 int i
, loops
= 0, modes
= UMODE_XOPER
| UMODE_INV
;
596 char c_nick
[NICKLEN
+1], c_ident
[USERLEN
+1], c_host
[HOSTLEN
+1], c_real
[REALLEN
+1];
597 patricia_node_t
*fakeip
;
599 i
= (int)((long)arg
);
601 /* PPA: unlikely to be infinite */
604 if (!loops
&& trojanscan_hostmode
) /* only have one go at this */
605 trojanscan_generatenick(c_nick
, NICKLEN
);
607 trojanscan_gennick(c_nick
, trojanscan_minmaxrand(7, TROJANSCAN_MMIN(13, NICKLEN
)));
609 } while ((getnickbynick(c_nick
) != NULL
));
611 trojanscan_generateident(c_ident
, USERLEN
);
613 trojanscan_genident(c_ident
, trojanscan_minmaxrand(4, TROJANSCAN_MMIN(8, USERLEN
)));
615 if(trojanscan_hostmode
) {
616 trojanscan_generatehost(c_host
, HOSTLEN
, &fakeip
);
618 trojanscan_genhost(c_host
, HOSTLEN
, &fakeip
);
620 trojanscan_genhost(c_host
, HOSTLEN
, &fakeip
);
623 trojanscan_generaterealname(c_real
, REALLEN
);
625 trojanscan_genreal(c_real
, trojanscan_minmaxrand(15, TROJANSCAN_MMIN(50, REALLEN
)));
627 trojanscan_swarm
[i
].clone
= registerlocaluser(c_nick
, c_ident
, c_host
, c_real
, NULL
, modes
, &trojanscan_clonehandlemessages
);
628 trojanscan_swarm
[i
].fakeipnode
= fakeip
;
630 if(trojanscan_swarm
[i
].clone
&& !trojanscan_swarm_created
) {
631 nick
*np
= trojanscan_selectuser();
632 if(np
) /* select a 'random' sign on time for whois generation */
633 trojanscan_swarm
[i
].clone
->timestamp
= np
->timestamp
;
635 trojanscan_swarm
[i
].remaining
= trojanscan_minmaxrand(5, 100);
637 trojanscan_swarm
[i
].sitting
= 0;
641 void trojanscan_free_channels(void) {
643 if(trojanscan_chans
) {
644 for(i
=0;i
<trojanscan_activechans
;i
++)
645 freesstring(trojanscan_chans
[i
].channel
);
646 tfree(trojanscan_chans
);
647 trojanscan_chans
= NULL
;
648 trojanscan_activechans
= 0;
652 void trojanscan_repool(void *arg
) {
653 if (trojanscan_generatepool() < TROJANSCAN_MINPOOLSIZE
) {
654 trojanscan_hostmode
= 0;
657 trojanscan_hostmode
= 1;
658 trojanscan_poolschedule
= scheduleoneshot(time(NULL
) + TROJANSCAN_POOL_REGENERATION
, &trojanscan_repool
, NULL
);
662 void trojanscan_registerclones(void *arg
) {
665 if (trojanscan_generatepool() < TROJANSCAN_MINPOOLSIZE
) {
666 trojanscan_hostmode
= 0;
667 trojanscan_cloneschedule
= scheduleoneshot(time(NULL
) + 10, &trojanscan_registerclones
, NULL
);
670 trojanscan_hostmode
= 1;
671 trojanscan_poolschedule
= scheduleoneshot(time(NULL
) + TROJANSCAN_POOL_REGENERATION
, &trojanscan_repool
, NULL
);
672 trojanscan_cloneschedule
= NULL
;
675 for (i
=0;i
<TROJANSCAN_CLONE_TOTAL
;i
++)
676 trojanscan_generateclone((void *)((long)i
));
677 trojanscan_mainchanmsg("n: swarm (%d clones) created.", TROJANSCAN_CLONE_TOTAL
);
678 trojanscan_swarm_created
= 1;
680 trojanscan_initialschedule
= scheduleoneshot(time(NULL
) + 60, &trojanscan_fill_channels
, NULL
);
683 int trojanscan_status(void *sender
, int cargc
, char **cargv
) {
684 nick
*np
= (nick
*)sender
;
685 trojanscan_log(np
, "status", "");
686 trojanscan_reply(np
, "Channels in schedule: %d", trojanscan_activechans
);
687 trojanscan_reply(np
, "Channels in database: %d", trojanscan_database
.total_channels
);
688 trojanscan_reply(np
, "Phrases: %d", trojanscan_database
.total_phrases
);
689 trojanscan_reply(np
, "Worms: %d", trojanscan_database
.total_worms
);
690 trojanscan_reply(np
, "Detections: %d", trojanscan_database
.detections
);
691 trojanscan_reply(np
, "Glines: %d", trojanscan_database
.glines
);
692 trojanscan_reply(np
, "Host/tail pool size: %d", TROJANSCAN_POOLSIZE
);
693 trojanscan_reply(np
, "Cycletime: %d", trojanscan_cycletime
);
694 trojanscan_reply(np
, "Clones: %d", TROJANSCAN_CLONE_TOTAL
);
698 int trojanscan_chanlist(void *sender
, int cargc
, char **cargv
) {
700 nick
*np
= (nick
*)sender
;
701 char buf
[CHANNELLEN
* 2 + 20];
702 trojanscan_reply(np
, "Channel list (%d total):", trojanscan_activechans
);
705 for(i
=0;i
<trojanscan_activechans
;i
++) {
706 if(trojanscan_chans
[i
].channel
->length
+ 3 > sizeof(buf
) - strlen(buf
)) {
707 trojanscan_reply(np
, "%s", buf
);
711 /* if splidge sees this I'm going to die */
712 strlcat(buf
, trojanscan_chans
[i
].channel
->content
, sizeof(buf
));
713 strlcat(buf
, " ", sizeof(buf
));
716 trojanscan_reply(np
, "%s", buf
);
718 trojanscan_reply(np
, "Done.");
722 int trojanscan_whois(void *sender
, int cargc
, char **cargv
) {
724 nick
*np
= (nick
*)sender
, *np2
;
728 trojanscan_reply(np
, "Not enough parameters.");
732 if (cargv
[0][0] == '#') {
733 tochange
= cargv
[0] + 1;
736 np2
= getnickbynick(cargv
[0]);
738 trojanscan_reply(np
, "That nickname is not on the network.");
741 for(i
=0;i
<TROJANSCAN_CLONE_TOTAL
;i
++) {
742 if(trojanscan_swarm
[i
].clone
->nick
&& !ircd_strcmp(trojanscan_swarm
[i
].clone
->nick
, np2
->nick
)) {
743 trojanscan_reply(np
, "Nickname : %s", np2
->nick
);
744 trojanscan_reply(np
, "Swarm : yes");
748 if (!IsAccount(np2
)) {
749 trojanscan_reply(np
, "User is not authed.");
752 tochange
= np2
->authname
;
755 templevel
= trojanscan_user_level_by_authname(tochange
);
756 if (templevel
== -1) {
757 trojanscan_reply(np
, "User does not exist.");
759 union trojanscan_userlevel flags
;
760 flags
.number
= templevel
;
761 trojanscan_reply(np
, "Authname : %s", tochange
);
762 trojanscan_reply(np
, "Flags : +" TROJANSCAN_FLAG_MASK
, TrojanscanFlagsInfo(flags
));
768 void trojanscan_privmsg_chan_or_nick(channel
*cp
, nick
*np
, char *message
, ...) {
772 if (!trojanscan_nick
)
775 va_start(va
, message
);
776 vsnprintf(buf
, sizeof(buf
) - 1, message
, va
);
780 sendmessagetochannel(trojanscan_nick
, cp
, buf
);
782 sendmessagetouser(trojanscan_nick
, np
, buf
);
787 int trojanscan_mew(void *sender
, int cargc
, char **cargv
) {
788 nick
*np
= (nick
*)sender
, *np2
= NULL
;
792 trojanscan_reply(np
, "Not enough paramaters.");
796 if(cargv
[0][0] == '#') {
797 if (!(cp
= findchannel(cargv
[0]))) {
798 trojanscan_reply(np
, "Channel not found.");
801 trojanscan_log(np
, "mew", "%s %s", cp
->index
->name
->content
, cargv
[1]);
803 if (!(np2
= getnickbynick(cargv
[0]))) {
804 trojanscan_reply(np
, "Nickname is not present on the network.");
807 trojanscan_log(np
, "mew", "%s %s", np2
->nick
, cargv
[1]);
810 trojanscan_privmsg_chan_or_nick(cp
, np2
, "\001ACTION mews hopefully at %s\001", cargv
[1]);
813 trojanscan_reply(np
, "Mewed at %s in %s.", cargv
[1], cp
->index
->name
->content
);
815 trojanscan_reply(np
, "Mewed at %s at %s.", cargv
[1], np2
->nick
);
819 trojanscan_mainchanmsg("n: mew: %s %s (%s/%s)", cargv
[1], cp
?cp
->index
->name
->content
:np2
->nick
, np
->nick
, np
->authname
);
824 int trojanscan_cat(void *sender
, int cargc
, char **cargv
) {
825 nick
*np
= (nick
*)sender
, *np2
= NULL
;
831 trojanscan_reply(np
, "Not enough paramaters.");
835 if(cargv
[0][0] == '#') {
836 if (!(cp
= findchannel(cargv
[0]))) {
837 trojanscan_reply(np
, "Channel not found.");
840 trojanscan_log(np
, "cat", cp
->index
->name
->content
);
842 if (!(np2
= getnickbynick(cargv
[0]))) {
843 trojanscan_reply(np
, "Nickname is not present on the network.");
846 trojanscan_log(np
, "cat", np2
->nick
);
849 if ((!(cat
= fopen(TROJANSCAN_CAT
, "r")))) {
850 trojanscan_reply(np
, "Unable to open cat!");
854 while (fgets(buf
, sizeof(buf
) - 1, cat
)) {
855 if ((p
= strchr(buf
, '\n'))) {
857 trojanscan_privmsg_chan_or_nick(cp
, np2
, "%s", buf
);
858 } else if (feof(cat
)) {
859 trojanscan_privmsg_chan_or_nick(cp
, np2
, "%s", buf
);
866 trojanscan_reply(np
, "Spammed cat in %s.", cp
->index
->name
->content
);
868 trojanscan_reply(np
, "Spammed cat at %s.", np2
->nick
);
874 int trojanscan_reschedule(void *sender
, int cargc
, char **cargv
) {
875 nick
*np
= (nick
*)sender
;
876 trojanscan_log(np
, "reschedule", "");
877 trojanscan_fill_channels(NULL
);
879 trojanscan_reply(np
, "Rescheduled.");
883 int trojanscan_listusers(void *sender
, int cargc
, char **cargv
) {
884 nick
*np
= (nick
*)sender
;
886 trojanscan_log(np
, "listusers", "");
888 trojanscan_reply(np
, "User list:");
890 if (!(trojanscan_database_query("SELECT authname, authlevel FROM users ORDER BY authlevel DESC, authname"))) {
891 trojanscan_database_res
*res
;
892 if ((res
= trojanscan_database_store_result(&trojanscan_sql
))) {
893 if (trojanscan_database_num_rows(res
)) {
894 trojanscan_database_row sqlrow
;
895 union trojanscan_userlevel flags
;
896 while((sqlrow
= trojanscan_database_fetch_row(res
))) {
897 flags
.number
= atoi(sqlrow
[1]);
898 trojanscan_reply(np
, "%s +" TROJANSCAN_FLAG_MASK
, sqlrow
[0], TrojanscanIsDeveloper(flags
) ? "d" : "", TrojanscanIsTeamLeader(flags
) ? "t" : "", TrojanscanIsStaff(flags
) ? "s" : "", TrojanscanIsWebsite(flags
) ? "w" : "", TrojanscanIsCat(flags
) ? "c" : "");
901 trojanscan_database_free_result(res
);
905 trojanscan_reply(np
, "Done.");
909 int trojanscan_help(void *sender
, int cargc
, char **cargv
) {
910 nick
*np
= (nick
*)sender
;
913 trojanscan_reply(np
, "Not enough parameters.");
917 if (!strcasecmp("help", cargv
[0])) {
918 trojanscan_reply(np
, "Syntax: help <command name>");
919 trojanscan_reply(np
, "Gives help on commands.");
920 } else if (!strcasecmp("status", cargv
[0])) {
921 trojanscan_reply(np
, "Syntax: status");
922 trojanscan_reply(np
, "Gives statistical information about the bot.");
923 } else if (!strcasecmp("join", cargv
[0])) {
924 trojanscan_reply(np
, "Syntax: join <#channel>");
925 trojanscan_reply(np
, "Orders a clone to join supplied channel.");
926 } else if (!strcasecmp("showcommands", cargv
[0])) {
927 trojanscan_reply(np
, "Syntax: showcommands");
928 trojanscan_reply(np
, "Pretty obvious.");
929 } else if (!strcasecmp("hello", cargv
[0])) {
930 trojanscan_reply(np
, "Syntax: hello ?nickname?");
931 trojanscan_reply(np
, "Creates a new user.");
932 } else if (!strcasecmp("rehash", cargv
[0])) {
933 trojanscan_reply(np
, "Syntax: rehash");
934 trojanscan_reply(np
, "Reloads bot database.");
935 } else if (!strcasecmp("changelev", cargv
[0])) {
936 trojanscan_reply(np
, "Syntax: changelev <nickname or #authname> <flags>");
937 trojanscan_reply(np
, "Changes access flags of selected user to supplied input.");
938 trojanscan_reply(np
, "+d -> developer");
939 trojanscan_reply(np
, "+t -> team leader");
940 trojanscan_reply(np
, "+s -> staff");
941 trojanscan_reply(np
, "+w -> web management");
942 trojanscan_reply(np
, "+c -> cat access");
943 } else if (!strcasecmp("deluser", cargv
[0])) {
944 trojanscan_reply(np
, "Syntax: deluser <nickname or #authname>");
945 trojanscan_reply(np
, "Deletes selected user from my database.");
946 } else if (!strcasecmp("mew", cargv
[0])) {
947 trojanscan_reply(np
, "Syntax: mew <#channel or nickname> <nickname>");
948 trojanscan_reply(np
, "Gracefully mews at target in selected channel or query.");
949 } else if (!strcasecmp("cat", cargv
[0])) {
950 trojanscan_reply(np
, "Syntax: cat <#channel or nickname>");
951 trojanscan_reply(np
, "Shows the almightly cat.");
952 } else if (!strcasecmp("reschedule", cargv
[0])) {
953 trojanscan_reply(np
, "Syntax: reschedule");
954 trojanscan_reply(np
, "Recalculates bots schedule.");
955 } else if (!strcasecmp("chanlist", cargv
[0])) {
956 trojanscan_reply(np
, "Syntax: chanlist");
957 trojanscan_reply(np
, "Displays bots current channel list.");
958 } else if (!strcasecmp("whois", cargv
[0])) {
959 trojanscan_reply(np
, "Syntax: whois <nickname or #authname>");
960 trojanscan_reply(np
, "Displays information on given user.");
961 } else if (!strcasecmp("whois", cargv
[0])) {
962 trojanscan_reply(np
, "Syntax: listusers <flags>");
963 trojanscan_reply(np
, "Displays users with listusersing flags.");
965 trojanscan_reply(np
, "Command not found.");
972 int trojanscan_hello(void *sender
, int cargc
, char **cargv
) {
973 nick
*np
= (nick
*)sender
, *toadd
;
974 char eaccount
[TROJANSCAN_QUERY_TEMP_BUF_SIZE
];
978 toadd
= getnickbynick(cargv
[0]);
980 trojanscan_reply(np
, "That nickname is not on the network.");
983 if (!IsAccount(toadd
)) {
984 trojanscan_reply(np
, "That user is not authed with the network.");
988 if (!IsAccount(np
)) {
989 trojanscan_reply(np
, "You are not authed with the network, auth before creating your user.");
995 if (trojanscan_user_level_by_authname(toadd
->authname
)!=-1) {
996 trojanscan_reply(np
, "Authname (%s) is already on file.", toadd
->authname
);
1000 trojanscan_log(np
, "hello", toadd
->authname
);
1002 if (!(trojanscan_database_query("SELECT id FROM users LIMIT 1"))) {
1003 trojanscan_database_res
*res
;
1004 if ((res
= trojanscan_database_store_result(&trojanscan_sql
))) {
1005 if (trojanscan_database_num_rows(res
) == 0)
1006 level
= TROJANSCAN_ACL_DEVELOPER
| TROJANSCAN_ACL_STAFF
| TROJANSCAN_ACL_WEBSITE
| TROJANSCAN_ACL_CAT
;
1007 trojanscan_database_free_result(res
);
1011 trojanscan_database_escape_string(eaccount
, toadd
->authname
, strlen(toadd
->authname
));
1012 trojanscan_database_query("INSERT INTO users (authname, authlevel) VALUES ('%s', %d)", eaccount
, level
);
1013 trojanscan_reply(np
, "Account added to database, account %s%s.", toadd
->authname
, level
>0?" (first user so developer access)":"");
1018 int trojanscan_user_level_by_authname(char *authname
) {
1019 int result
= -1, sl
= strlen(authname
);
1020 char eaccount
[TROJANSCAN_QUERY_TEMP_BUF_SIZE
];
1022 trojanscan_database_escape_string(eaccount
, authname
, sl
);
1023 if (!(trojanscan_database_query("SELECT authlevel, authname FROM users WHERE authname = '%s'", eaccount
))) {
1024 trojanscan_database_res
*res
;
1025 if ((res
= trojanscan_database_store_result(&trojanscan_sql
))) {
1026 if (trojanscan_database_num_rows(res
) > 0) {
1027 trojanscan_database_row sqlrow
= trojanscan_database_fetch_row(res
);
1028 result
= atoi(sqlrow
[0]);
1029 strlcpy(authname
, sqlrow
[1], sl
+ 1);
1031 trojanscan_database_free_result(res
);
1037 int trojanscan_user_id_by_authname(char *authname
) {
1039 char eaccount
[TROJANSCAN_QUERY_TEMP_BUF_SIZE
];
1041 trojanscan_database_escape_string(eaccount
, authname
, strlen(authname
));
1042 if (!(trojanscan_database_query("SELECT id FROM users WHERE authname = '%s'", eaccount
))) {
1043 trojanscan_database_res
*res
;
1044 if ((res
= trojanscan_database_store_result(&trojanscan_sql
))) {
1045 if (trojanscan_database_num_rows(res
) > 0) {
1046 trojanscan_database_row sqlrow
= trojanscan_database_fetch_row(res
);
1047 result
= atoi(sqlrow
[0]);
1049 trojanscan_database_free_result(res
);
1055 struct trojanscan_clones
*trojanscan_selectclone(char type
) {
1056 struct trojanscan_clones
*rc
;
1057 int randomclone
, hits
= 0, minlimit
, maxlimit
;
1059 if(type
== TROJANSCAN_WATCH_CLONES
) {
1060 minlimit
= TROJANSCAN_CLONE_MAX
;
1061 maxlimit
= minlimit
+ TROJANSCAN_WATCHCLONE_MAX
- 1;
1064 maxlimit
= TROJANSCAN_CLONE_MAX
- 1;
1068 randomclone
= trojanscan_minmaxrand(minlimit
, maxlimit
);
1071 rc
= &trojanscan_swarm
[randomclone
];
1072 if ((type
== TROJANSCAN_NORMAL_CLONES
) && (rc
->sitting
== 0) && (rc
->remaining
== 0))
1075 } while (rc
->remaining
== 0);
1077 if(type
== TROJANSCAN_NORMAL_CLONES
) {
1078 if ((rc
->sitting
== 0) && (rc
->remaining
== 0)) {
1079 if ((!rc
->remaining
) && (!rc
->sitting
)) {
1081 deregisterlocaluser(rc
->clone
, NULL
);
1082 derefnode(iptree
, rc
->fakeipnode
);
1085 trojanscan_generateclone((void *)((long)rc
->index
));
1094 /* hack hack hack */
1095 int trojanscan_nickbanned(trojanscan_clones
*np
, channel
*cp
) {
1097 patricia_node_t
*realipnode
= np
->clone
->ipnode
;
1099 np
->clone
->ipnode
= np
->fakeipnode
;
1101 ret
= nickbanned(np
->clone
, cp
);
1103 np
->clone
->ipnode
= realipnode
;
1108 struct trojanscan_realchannels
*trojanscan_allocaterc(char *chan
) {
1109 struct trojanscan_realchannels
*rc
;
1110 struct trojanscan_clones
*clonep
;
1112 int attempts_left
= 10;
1115 trojanscan_errorcode
= 1; /* sorry splidge ;( */
1119 if(chan
[0] != '#') {
1120 trojanscan_errorcode
= 2;
1124 if (strlen(chan
) > 1) {
1125 if(strrchr(chan
, ',')) {
1126 trojanscan_errorcode
= 3;
1130 if(strrchr(chan
, ' ')) {
1131 trojanscan_errorcode
= 4;
1136 cp
= findchannel(chan
);
1138 trojanscan_errorcode
= 5;
1143 clonep
= trojanscan_selectclone(TROJANSCAN_NORMAL_CLONES
);
1145 trojanscan_errorcode
= 6;
1148 if(!trojanscan_nickbanned(clonep
, cp
))
1150 } while (--attempts_left
> 0);
1152 if (!attempts_left
) {
1153 trojanscan_errorcode
= 7;
1157 rc
= (struct trojanscan_realchannels
*)tmalloc(sizeof(struct trojanscan_realchannels
));
1167 void trojanscan_join(struct trojanscan_realchannels
*rc
) {
1168 struct trojanscan_realchannels
*rp
= trojanscan_realchanlist
;
1170 if (rc
->clone
&& rc
->clone
->clone
) {
1171 if (!localjoinchannel(rc
->clone
->clone
, rc
->chan
)) {
1172 rc
->clone
->remaining
--;
1173 rc
->clone
->sitting
++;
1174 if (trojanscan_minmaxrand(1, TROJANSCAN_NICKCHANGE_ODDS
)%TROJANSCAN_NICKCHANGE_ODDS
== 0)
1175 trojanscan_donickchange((void *)rc
->clone
);
1177 rc
->schedule
= scheduleoneshot(time(NULL
)+trojanscan_part_time
, &trojanscan_dopart
, (void *)rc
);
1180 for(;rp
->next
;rp
=rp
->next
);
1183 trojanscan_realchanlist
= rc
;
1190 int trojanscan_userjoin(void *sender
, int cargc
, char **cargv
) {
1191 nick
*np
= (nick
*)sender
;
1192 struct trojanscan_realchannels
*rc
;
1195 trojanscan_reply(np
, "Not enough paramaters");
1199 if (!trojanscan_swarm_created
) {
1200 trojanscan_reply(np
, "My swarm is currently empty.");
1204 if((rc
= trojanscan_allocaterc(cargv
[0]))) {
1205 trojanscan_log(np
, "join", cargv
[0]);
1206 trojanscan_join(rc
);
1207 trojanscan_reply(np
, "Clone has joined channel.");
1209 trojanscan_mainchanmsg("n: join: %s (%s/%s)", cargv
[0], np
->nick
, np
->authname
);
1211 if (trojanscan_errorcode
== 5) {
1212 trojanscan_reply(np
, "Not joining empty channel, check you entered the correct channel name.");
1214 trojanscan_reply(np
, "Clone could not join channel (error code %d)!", trojanscan_errorcode
);
1220 int trojanscan_rehash(void *sender
, int cargc
, char **cargv
) {
1221 nick
*np
= (void *)sender
;
1222 trojanscan_refresh_settings();
1223 trojanscan_read_database(0);
1224 trojanscan_log(np
, "rehash", "");
1225 trojanscan_reply(np
, "Done.");
1229 int trojanscan_changelev(void *sender
, int cargc
, char **cargv
) {
1230 nick
*np
= (nick
*)sender
, *np2
;
1232 char eaccount
[TROJANSCAN_QUERY_TEMP_BUF_SIZE
], *tochange
, *p
, mode
= 1, error
= 0, clast
= 0, specialcase
;
1233 union trojanscan_userlevel flags1
, flags2
;
1236 trojanscan_reply(np
, "Not enough parameters.");
1240 templevel
= trojanscan_user_level_by_authname(np
->authname
);
1242 if (templevel
== -1) {
1243 trojanscan_reply(np
, "You do not have an account.");
1247 flags1
.number
= templevel
;
1249 if (cargv
[0][0] == '#') {
1250 tochange
= cargv
[0] + 1;
1252 np2
= getnickbynick(cargv
[0]);
1254 trojanscan_reply(np
, "That nickname is not on the network.");
1257 if (!IsAccount(np2
)) {
1258 trojanscan_reply(np
, "That user is not authed with the network.");
1261 tochange
= np2
->authname
;
1264 templevel
= trojanscan_user_level_by_authname(tochange
);
1266 if (templevel
== -1) {
1267 trojanscan_reply(np
, "User does not exist.");
1271 flags2
.number
= templevel
;
1273 if (!ircd_strcmp(np
->authname
, tochange
)) {
1279 for (p
=cargv
[1];*p
;p
++) {
1286 if (!TrojanscanIsDeveloper(flags1
))
1288 flags2
.values
.developer
= mode
;
1291 if (!TrojanscanIsDeveloper(flags1
))
1293 flags2
.values
.teamleader
= mode
;
1296 if (!TrojanscanIsLeastTeamLeader(flags1
))
1298 flags2
.values
.staff
= mode
;
1301 if (!TrojanscanIsDeveloper(flags1
))
1303 flags2
.values
.website
= mode
;
1306 if (!TrojanscanIsDeveloper(flags1
))
1308 flags2
.values
.cat
= mode
;
1316 if (specialcase
&& !mode
) { /* allow user to remove their own flags */
1327 trojanscan_reply(np
, "Unknown mode: %c%c.", mode
?'+':'-', *p
);
1329 trojanscan_reply(np
, "You have insufficient privilidges to add/remove one or more flags specified.");
1334 trojanscan_log(np
, "changelev", "%s %s", tochange
, cargv
[1]);
1335 trojanscan_database_escape_string(eaccount
, tochange
, strlen(tochange
));
1336 trojanscan_database_query("UPDATE users SET authlevel = %d WHERE authname = '%s'", flags2
.number
, eaccount
);
1338 trojanscan_reply(np
, "Flags changed.");
1343 int trojanscan_deluser(void *sender
, int cargc
, char **cargv
) {
1344 nick
*np
= (nick
*)sender
, *to
;
1346 char eaccount
[TROJANSCAN_QUERY_TEMP_BUF_SIZE
], *account
;
1347 union trojanscan_userlevel flags1
, flags2
;
1350 trojanscan_reply(np
, "Not enough parameters.");
1354 if (cargv
[0][0] == '#') {
1355 account
= cargv
[0] + 1;
1357 to
= getnickbynick(cargv
[0]);
1359 trojanscan_reply(np
, "That nickname is not on the network.");
1362 if (!IsAccount(to
)) {
1363 trojanscan_reply(np
, "That user is not authed with the network.");
1366 account
= to
->authname
;
1369 flags1
.number
= trojanscan_user_level_by_authname(np
->authname
);
1370 templevel
= trojanscan_user_level_by_authname(account
);
1372 if (templevel
== -1) {
1373 trojanscan_reply(np
, "Auth %s does not exist.", account
);
1377 flags2
.number
= templevel
;
1379 if (!TrojanscanIsDeveloper(flags1
) && TrojanscanIsLeastTeamLeader(flags2
)) {
1380 trojanscan_reply(np
, "Your cannot delete %s as his/her flags equal or surpass your own.", account
);
1384 trojanscan_log(np
, "deluser", account
);
1385 trojanscan_database_escape_string(eaccount
, account
, strlen(account
));
1386 trojanscan_database_query("DELETE FROM users WHERE authname = '%s'", eaccount
);
1387 trojanscan_reply(np
, "User deleted.");
1392 int trojanscan_add_ll(struct trojanscan_prechannels
**head
, struct trojanscan_prechannels
*newitem
) {
1393 struct trojanscan_prechannels
*position
, *lastitem
= NULL
, *location
= NULL
;
1396 newitem
->next
= NULL
;
1397 if (newitem
->exempt
) {
1403 /* if its exempt, we don't give a monkeys where it is... */
1404 if (newitem
->exempt
) {
1405 newitem
->next
= *head
;
1410 for(position
=*head
;position
;lastitem
=position
,position
=position
->next
) {
1411 if (!ircd_strcmp(position
->name
->content
, newitem
->name
->content
)) {
1415 if (!location
&& (position
->size
< newitem
->size
)) {
1419 location
= lastitem
;
1424 newitem
->next
= NULL
;
1425 lastitem
->next
= newitem
;
1427 newitem
->next
= location
->next
;
1428 location
->next
= newitem
;
1430 if(newitem
->exempt
) {
1437 void trojanscan_watch_clone_update(struct trojanscan_prechannels
*hp
, int count
) {
1439 struct trojanscan_prechannels
*lp
;
1440 struct trojanscan_templist
*markedlist
= NULL
;
1443 markedlist
= (struct trojanscan_templist
*)tmalloc(count
* sizeof(struct trojanscan_templist
));
1446 memset(markedlist
, 0, sizeof(struct trojanscan_templist
) * count
);
1449 for(i
=0;i
<trojanscan_activechans
;i
++) {
1452 for(lp
=hp
,j
=0;j
<count
&&lp
;j
++,lp
=lp
->next
) {
1453 if(!markedlist
[j
].active
&& !lp
->exempt
&& !ircd_strcmp(lp
->name
->content
, trojanscan_chans
[i
].channel
->content
)) { /* we're already on the channel */
1454 if(trojanscan_chans
[i
].watch_clone
) {
1455 markedlist
[j
].active
= 1;
1456 markedlist
[j
].watch_clone
= trojanscan_chans
[i
].watch_clone
;
1457 lp
->watch_clone
= trojanscan_chans
[i
].watch_clone
;
1464 if(!marked
&& trojanscan_chans
[i
].watch_clone
) {
1465 channel
*cp
= findchannel(trojanscan_chans
[i
].channel
->content
);
1467 localpartchannel(trojanscan_chans
[i
].watch_clone
->clone
, cp
, NULL
);
1474 for(j
=0,lp
=hp
;j
<count
&&lp
;j
++,lp
=lp
->next
) {
1475 if((!markedlist
[j
].active
|| !markedlist
[j
].watch_clone
) && !lp
->exempt
) {
1476 channel
*cp
= findchannel(lp
->name
->content
);
1480 lp
->watch_clone
= trojanscan_selectclone(TROJANSCAN_WATCH_CLONES
);
1481 if(!lp
->watch_clone
)
1483 if(!trojanscan_nickbanned(lp
->watch_clone
, cp
)) {
1484 if(localjoinchannel(lp
->watch_clone
->clone
, cp
))
1485 lp
->watch_clone
= NULL
;
1488 } while(--attempts
> 0);
1490 lp
->watch_clone
= NULL
;
1499 void trojanscan_fill_channels(void *arg
) {
1500 struct trojanscan_prechannels
*head
= NULL
, *lp
, *last
= NULL
;
1501 int i
, count
, tempctime
= 0;
1505 for (count
=i
=0;i
<trojanscan_database
.total_channels
;i
++) {
1506 lp
= (trojanscan_prechannels
*)tmalloc(sizeof(trojanscan_prechannels
));
1507 lp
->name
= trojanscan_database
.channels
[i
].name
;
1509 lp
->exempt
= trojanscan_database
.channels
[i
].exempt
;
1510 lp
->watch_clone
= NULL
;
1511 if (trojanscan_add_ll(&head
, lp
))
1515 for (i
=0;i
<CHANNELHASHSIZE
;i
++) {
1516 for(chn
=chantable
[i
];chn
;chn
=chn
->next
) {
1517 if (chn
->channel
&& !IsKey(chn
->channel
) && !IsInviteOnly(chn
->channel
) && !IsRegOnly(chn
->channel
) && (chn
->channel
->users
->totalusers
>= trojanscan_minchansize
)) {
1518 lp
= (trojanscan_prechannels
*)tmalloc(sizeof(trojanscan_prechannels
));
1519 lp
->name
= chn
->name
;
1520 lp
->size
= chn
->channel
->users
->totalusers
;
1522 lp
->watch_clone
= NULL
;
1523 if (trojanscan_add_ll(&head
, lp
))
1529 count
= TROJANSCAN_MMIN(count
, trojanscan_maxchans
);
1531 trojanscan_watch_clone_update(head
, count
);
1533 trojanscan_free_channels();
1534 trojanscan_chans
= (struct trojanscan_inchannel
*)tmalloc(count
* sizeof(struct trojanscan_inchannel
));
1535 memset(trojanscan_chans
, 0, count
* sizeof(struct trojanscan_inchannel
));
1536 trojanscan_activechans
= count
;
1539 for(lp
=head
;lp
;last
=lp
,lp
=lp
->next
) {
1540 if (!(lp
->exempt
) && (i
< count
)) {
1541 trojanscan_chans
[i
].channel
= getsstring(lp
->name
->content
, lp
->name
->length
);
1542 trojanscan_chans
[i
++].watch_clone
= lp
->watch_clone
;
1551 if (trojanscan_activechans
> 0) {
1552 tempctime
= trojanscan_cycletime
/ trojanscan_activechans
;
1555 trojanscan_mainchanmsg("d: just escaped a divide by zero error (no activechans!), rescheduling in 60 seconds");
1558 if(trojanscan_schedule
)
1559 deleteschedule(trojanscan_schedule
, &trojanscan_dojoin
, NULL
);
1561 trojanscan_channumber
= 0;
1563 trojanscan_schedule
= schedulerecurring(time(NULL
) + tempctime
, trojanscan_activechans
+ 1, tempctime
, trojanscan_dojoin
, NULL
);
1567 void trojanscan_dojoin(void *arg
) {
1568 struct trojanscan_realchannels
*rc
;
1569 if (trojanscan_channumber
>= trojanscan_activechans
) {
1570 trojanscan_schedule
= NULL
;
1571 trojanscan_fill_channels(NULL
);
1573 if ((rc
= trojanscan_allocaterc(trojanscan_chans
[trojanscan_channumber
++].channel
->content
)))
1574 trojanscan_join(rc
);
1579 void trojanscan_dopart(void *arg
) {
1580 struct trojanscan_realchannels
*rc
= (struct trojanscan_realchannels
*)arg
, *rp
, *past
= NULL
;
1582 if (rc
->kickedout
) { /* there's a join scheduled, wait for it (reschedule) */
1583 rc
->schedule
= scheduleoneshot(time(NULL
)+5, &trojanscan_dopart
, (void *)rc
);
1587 if (rc
->clone
->clone
&& (!(rc
->donotpart
)))
1588 localpartchannel(rc
->clone
->clone
, rc
->chan
, NULL
);
1590 rc
->clone
->sitting
--;
1592 for(rp
=trojanscan_realchanlist
;rp
;rp
=rp
->next
) {
1595 trojanscan_realchanlist
= rp
->next
;
1597 past
->next
= rp
->next
;
1607 void trojanscan_donickchange(void *arg
) { /* just incase I choose to make this schedule at some point */
1608 struct trojanscan_clones
*clone
= (trojanscan_clones
*)arg
;
1609 if (clone
&& clone
->clone
) {
1610 char c_nick
[NICKLEN
+1];
1612 /* PPA: unlikely to be infinite */
1614 if ((loops
++ < 10) && trojanscan_hostmode
) {
1615 trojanscan_generatenick(c_nick
, NICKLEN
);
1617 trojanscan_gennick(c_nick
, trojanscan_minmaxrand(7, TROJANSCAN_MMIN(13, NICKLEN
)));
1619 } while (c_nick
[0] && (getnickbynick(c_nick
) != NULL
));
1621 renamelocaluser(clone
->clone
, c_nick
);
1626 int trojanscan_keysort(const void *v1
, const void *v2
) {
1627 return ((*(trojanscan_prechannels
**)v2
)->size
- (*(trojanscan_prechannels
**)v1
)->size
);
1630 int trojanscan_showcommands(void *sender
, int cargc
, char **cargv
) {
1631 nick
*np
= (nick
*)sender
;
1632 Command
*cmdlist
[100];
1636 n
= getcommandlist(trojanscan_cmds
, cmdlist
, 100);
1638 trojanscan_reply(np
, "The following commands are registered at present:");
1641 if (cmdlist
[i
]->level
& TROJANSCAN_ACL_STAFF
) {
1643 } else if (cmdlist
[i
]->level
& TROJANSCAN_ACL_DEVELOPER
) {
1645 } else if (cmdlist
[i
]->level
& TROJANSCAN_ACL_TEAMLEADER
) {
1647 } else if (cmdlist
[i
]->level
& TROJANSCAN_ACL_CAT
) {
1649 } else if (cmdlist
[i
]->level
& TROJANSCAN_ACL_WEBSITE
) {
1651 } else if (cmdlist
[i
]->level
& TROJANSCAN_ACL_UNAUTHED
) {
1655 trojanscan_reply(np
, "%s (+%c)", cmdlist
[i
]->command
->content
, level
);
1657 trojanscan_reply(np
, "%s", cmdlist
[i
]->command
->content
);
1660 trojanscan_reply(np
, "End of list.");
1664 void trojanscan_handlemessages(nick
*target
, int messagetype
, void **args
) {
1667 int cargc
, templevel
;
1669 union trojanscan_userlevel level
;
1671 switch(messagetype
) {
1674 /* If it's a message, first arg is nick and second is message */
1675 sender
= (nick
*)args
[0];
1677 if(strncmp(TROJANSCAN_VERSION_DETECT
, args
[1], sizeof(TROJANSCAN_VERSION_DETECT
)-1)==0) {
1678 char p
= ((char *)args
[1])[sizeof(TROJANSCAN_VERSION_DETECT
)-1];
1679 if((p
== ' ') || (p
== '\0') || (p
== 1)) {
1680 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
);
1685 /* Split the line into params */
1686 cargc
= splitline((char *)args
[1], cargv
, 50, 0);
1687 if(cargc
== 0 || !cargv
[0])
1690 cmd
=findcommandintree(trojanscan_cmds
, cargv
[0], 1);
1692 trojanscan_reply(sender
, "Unknown command.");
1696 if ((cmd
->level
& TROJANSCAN_ACL_OPER
) && !IsOper(sender
)) {
1697 trojanscan_reply(sender
, "You need to be opered to use this command.");
1701 /* bit grim code... */
1703 if (!(cmd
->level
& TROJANSCAN_ACL_UNAUTHED
)) {
1704 if (!IsAccount(sender
)) {
1705 trojanscan_reply(sender
, "You must be authed with the network to access this command!");
1708 templevel
= trojanscan_user_level_by_authname(sender
->authname
);
1710 if (templevel
== -1) {
1711 trojanscan_reply(sender
, "You do not have an account.");
1715 level
.number
= templevel
;
1717 if ((cmd
->level
& TROJANSCAN_ACL_DEVELOPER
) && !TrojanscanIsDeveloper(level
)) {
1718 trojanscan_reply(sender
, "Access denied.");
1721 if ((cmd
->level
& TROJANSCAN_ACL_TEAMLEADER
) && !TrojanscanIsLeastTeamLeader(level
)) {
1722 trojanscan_reply(sender
, "Access denied.");
1725 if ((cmd
->level
& TROJANSCAN_ACL_STAFF
) && !TrojanscanIsLeastStaff(level
)) {
1726 trojanscan_reply(sender
, "Access denied.");
1729 if ((cmd
->level
& TROJANSCAN_ACL_CAT
) && !TrojanscanIsCat(level
)) {
1730 trojanscan_reply(sender
, "Access denied.");
1733 if ((cmd
->level
& TROJANSCAN_ACL_WEBSITE
) && !TrojanscanIsLeastWebsite(level
)) {
1734 trojanscan_reply(sender
, "Access denied.");
1739 /* Check the maxargs */
1740 if (cmd
->maxparams
<(cargc
-1)) {
1741 /* We need to do some rejoining */
1742 rejoinline(cargv
[cmd
->maxparams
], cargc
-(cmd
->maxparams
));
1743 cargc
= (cmd
->maxparams
) + 1;
1746 (cmd
->handler
)((void *)sender
, cargc
- 1, &(cargv
[1]));
1750 /* someone killed me? Bastards */
1751 trojanscan_connect_nick_schedule
= scheduleoneshot(time(NULL
) + 1, &trojanscan_connect_nick
, NULL
);
1752 trojanscan_nick
= NULL
;
1760 static char trojanscan_getmtfromhooktype(int input
) {
1762 case HOOK_CHANNEL_PART
: return 'P';
1763 default: return '?';
1767 char trojanscan_getmtfrommessagetype(int input
) {
1769 case LU_PRIVMSG
: return 'm';
1770 case LU_PRIVNOTICE
: return 'n';
1771 case LU_SECUREMSG
: return 's';
1772 case LU_CHANMSG
: return 'M';
1773 case LU_CHANNOTICE
: return 'N';
1774 default: return '?';
1778 static void trojanscan_process(nick
*sender
, channel
*cp
, char mt
, char *pretext
) {
1782 struct trojanscan_worms
*worm
;
1783 int vector
[30], detected
= 0;
1785 trojanscan_strip_codes(text
, sizeof(text
) - 1, pretext
);
1789 for(i
=0;i
<trojanscan_database
.total_phrases
;i
++) {
1792 (worm
= trojanscan_database
.phrases
[i
].worm
)
1797 (mt
== 'm') || (mt
== 's') || (mt
== 'n')
1800 (trojanscan_database
.phrases
[i
].worm
->hitpriv
)
1805 (mt
== 'M') || (mt
== 'N') || (mt
== 'P')
1808 (trojanscan_database
.phrases
[i
].worm
->hitchans
)
1812 (trojanscan_database
.phrases
[i
].phrase
)
1814 int pre
= pcre_exec(trojanscan_database
.phrases
[i
].phrase
, trojanscan_database
.phrases
[i
].hint
, text
, len
, 0, 0, vector
, 30);
1818 matchbuf
[512] = 0; /* hmm */
1821 if(pcre_copy_substring(text
, vector
, pre
, 1, matchbuf
, sizeof(matchbuf
) - 1) <= 0)
1824 trojanscan_phrasematch(cp
, sender
, &trojanscan_database
.phrases
[i
], mt
, matchbuf
);
1831 if (!detected
&& (mt
!= 'N') && (mt
!= 'M')) {
1832 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
];
1833 trojanscan_database_escape_string(etext
, text
, len
);
1834 trojanscan_database_escape_string(enick
, sender
->nick
, strlen(sender
->nick
));
1835 trojanscan_database_escape_string(eident
, sender
->ident
, strlen(sender
->ident
));
1836 trojanscan_database_escape_string(ehost
, sender
->host
->name
->content
, sender
->host
->name
->length
);
1837 trojanscan_database_query("INSERT INTO unknownlog (data, user) VALUES ('%s','%s!%s@%s')", etext
, enick
, eident
, ehost
);
1841 void trojanscan_clonehandlemessages(nick
*target
, int messagetype
, void **args
) {
1842 char *pretext
= NULL
;
1844 struct trojanscan_realchannels
*rp
;
1845 struct trojanscan_rejoinlist
*rj
;
1846 char mt
= trojanscan_getmtfrommessagetype(messagetype
);
1851 switch(messagetype
) {
1856 pretext
= (char *)args
[1];
1860 sender
= (nick
*)args
[0];
1862 if (strlen(sender
->nick
) < 2)
1866 pretext
= (char *)args
[2];
1870 if(strncmp(TROJANSCAN_VERSION_DETECT
, pretext
, sizeof(TROJANSCAN_VERSION_DETECT
)-1)==0) {
1871 char p
= pretext
[sizeof(TROJANSCAN_VERSION_DETECT
)-1];
1872 if((p
== ' ') || (p
== '\0') || (p
== 1)) {
1874 if (IsOper(sender
)) {
1877 if (IsAccount(sender
)) {
1878 int templevel
= trojanscan_user_level_by_authname(sender
->authname
);
1879 if (templevel
!= -1) {
1880 union trojanscan_userlevel level
;
1881 level
.number
= templevel
;
1882 if (TrojanscanIsLeastStaff(level
))
1888 if(trojanscan_nick
) {
1889 sendnoticetouser(target
, sender
, "\001VERSION T clone, check T for confirmation.\001");
1890 sendnoticetouser(trojanscan_nick
, sender
, "\001VERSION %s is part of my swarm.\001", target
->nick
);
1892 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");
1895 sendnoticetouser(target
, sender
, "\001VERSION %s\001", versionreply
);
1902 trojanscan_process(sender
, cp
, mt
, pretext
);
1905 /* someone killed me? Bastards */
1907 /* PPA: we do NOT rejoin channels at this moment in time, it is possible to do this though */
1908 for (i
=0;i
<TROJANSCAN_CLONE_TOTAL
;i
++) {
1909 if (trojanscan_swarm
[i
].clone
== target
) {
1911 scheduleoneshot(time(NULL
)+1, &trojanscan_generateclone
, (void *)((long)i
));
1912 if(i
>= TROJANSCAN_CLONE_MAX
) {
1914 for(j
=0;j
<trojanscan_activechans
;j
++)
1915 if(trojanscan_chans
[j
].watch_clone
== &trojanscan_swarm
[i
])
1916 trojanscan_chans
[j
].watch_clone
= NULL
;
1918 for(rp
=trojanscan_realchanlist
;rp
;rp
=rp
->next
)
1919 if ((rp
->clone
== &(trojanscan_swarm
[i
])))
1922 derefnode(iptree
, trojanscan_swarm
[i
].fakeipnode
);
1923 trojanscan_swarm
[i
].clone
= NULL
;
1924 trojanscan_swarm
[i
].remaining
= 0; /* bah */
1931 channel_name
= ((channel
*)args
[1])->index
->name
->content
;
1932 for (i
=0;i
<trojanscan_activechans
;i
++) {
1933 if (!trojanscan_chans
[i
].watch_clone
)
1935 if ((trojanscan_chans
[i
].watch_clone
->clone
== target
) && (!strcmp(trojanscan_chans
[i
].channel
->content
, channel_name
)))
1938 if(i
!= trojanscan_activechans
) {
1940 for(j
=0;j
<TROJANSCAN_CLONE_TOTAL
;j
++) {
1941 if(&trojanscan_swarm
[j
] == trojanscan_chans
[i
].watch_clone
) {
1942 trojanscan_chans
[i
].watch_clone
= NULL
;
1948 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)");
1950 rj
= (struct trojanscan_rejoinlist
*)tmalloc(sizeof(struct trojanscan_rejoinlist
));
1953 for(rp
=trojanscan_realchanlist
;rp
;rp
=rp
->next
)
1954 if ((rp
->clone
->clone
== target
) && (rp
->chan
== args
[1])) {
1964 rj
->channel
= getsstring(((channel
*)args
[1])->index
->name
->content
, ((channel
*)args
[1])->index
->name
->length
);
1966 trojanscan_mainchanmsg("d: unable to allocate memory for channel: %s upon rejoin", ((channel
*)args
[1])->index
->name
->content
);
1971 rj
->clone
= rp
->clone
;
1972 rj
->next
= trojanscan_schedulerejoins
;
1973 trojanscan_schedulerejoins
= rj
;
1975 rj
->schedule
= scheduleoneshot(time(NULL
)+1, &trojanscan_rejoin_channel
, (void *)rj
);
1984 static void trojanscan_part_watch(int hook
, void *arg
) {
1985 void **arglist
= (void **)arg
;
1986 channel
*cp
= (channel
*)arglist
[0];
1987 nick
*np
= arglist
[1];
1988 char *reason
= arglist
[2];
1990 if(!cp
|| !np
|| !reason
|| (*reason
== '\0'))
1993 trojanscan_process(np
, cp
, trojanscan_getmtfromhooktype(hook
), reason
);
1996 static int trojanscan_hostcount(nick
*sender
, int hostmode
, char *mask
, int masklen
) {
1997 int usercount
= 0, j
;
1998 nick
*np
= NULL
; /* sigh at warnings */
2001 usercount
= sender
->ipnode
->usercount
;
2003 if(usercount
> TROJANSCAN_MAX_HOST_GLINE
) {
2008 /* should really go through the ipnode I guess */
2010 for (j
=0;j
<NICKHASHSIZE
;j
++)
2011 for (np
=nicktable
[j
];np
;np
=np
->next
)
2012 if (np
->ipnode
==sender
->ipnode
&& !ircd_strcmp(np
->ident
, sender
->ident
))
2016 snprintf(mask
, masklen
, "%s@%s", hostmode
?"*":sender
->ident
, IPtostr(sender
->p_ipaddr
));
2021 void trojanscan_phrasematch(channel
*chp
, nick
*sender
, trojanscan_phrases
*phrase
, char messagetype
, char *matchbuf
) {
2022 char glinemask
[HOSTLEN
+ USERLEN
+ NICKLEN
+ 4], enick
[TROJANSCAN_QUERY_TEMP_BUF_SIZE
], eident
[TROJANSCAN_QUERY_TEMP_BUF_SIZE
], ehost
[TROJANSCAN_QUERY_TEMP_BUF_SIZE
];
2023 unsigned int frequency
;
2024 int glining
= 0, usercount
;
2025 struct trojanscan_worms
*worm
= phrase
->worm
;
2027 trojanscan_database
.detections
++;
2030 if (worm
->monitor
) {
2032 } else if(worm
->glinehost
|| worm
->glineuser
) {
2035 usercount
= trojanscan_hostcount(sender
, worm
->glinehost
, glinemask
, sizeof(glinemask
));
2039 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
);
2043 if (glining
&& (usercount
> trojanscan_maxusers
)) {
2044 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
);
2048 if (glining
&& !worm
->datalen
) {
2049 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
);
2053 trojanscan_database_escape_string(enick
, sender
->nick
, strlen(sender
->nick
));
2054 trojanscan_database_escape_string(eident
, sender
->ident
, strlen(sender
->ident
));
2055 trojanscan_database_escape_string(ehost
, sender
->host
->name
->content
, sender
->host
->name
->length
);
2059 if (!(trojanscan_database_query("SELECT COUNT(*) FROM hits WHERE glined = %d AND host = '%s'", glining
, ehost
))) {
2060 trojanscan_database_res
*res
;
2061 if ((res
= trojanscan_database_store_result(&trojanscan_sql
))) {
2062 trojanscan_database_row sqlrow
;
2063 if ((trojanscan_database_num_rows(res
) > 0) && (sqlrow
= trojanscan_database_fetch_row(res
)))
2064 frequency
= atoi(sqlrow
[0]) + 1;
2065 trojanscan_database_free_result(res
);
2070 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
:"");
2071 #ifdef TROJANSCAN_PEONCHANNEL
2072 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
:"");
2075 int glinetime
= TROJANSCAN_FIRST_OFFENSE
* frequency
* (worm
->epidemic
?TROJANSCAN_EPIDEMIC_MULTIPLIER
:1);
2076 if(glinetime
> 7 * 24)
2077 glinetime
= 7 * 24; /* can't set glines over 7 days with normal non U:lined glines */
2079 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
);
2080 trojanscan_database
.glines
++;
2082 irc_send("%s GL * +%s %d %jd :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, (intmax_t)time(NULL
), sender
->nick
, sender
->ident
, sender
->host
->name
->content
, worm
->name
->content
, phrase
->id
, TROJANSCAN_URL_PREFIX
, worm
->id
, glinetime
);
2084 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
:"");
2088 void trojanscan_rejoin_channel(void *arg
) {
2089 struct trojanscan_rejoinlist
*rj2
, *lrj
, *rj
= (struct trojanscan_rejoinlist
*)arg
;
2091 channel
*cp
= findchannel(rj
->channel
->content
);
2092 freesstring(rj
->channel
);
2095 rj
->rp
->kickedout
--;
2097 rj
->rp
->donotpart
= 1; /* we were the last user on the channel, so we need to be VERY careful freeing it */
2099 if(!rj
->rp
->donotpart
&& !rj
->rp
->kickedout
) { /* check we're allowed to join channels (not killed), and we're the last one to join */
2100 if (trojanscan_nickbanned(rj
->clone
, cp
)) {
2101 rj
->rp
->donotpart
= 1;
2103 localjoinchannel(rj
->clone
->clone
, cp
);
2109 rj2
= trojanscan_schedulerejoins
;
2113 trojanscan_schedulerejoins
= rj
->next
;
2116 for(rj2
=trojanscan_schedulerejoins
;rj2
;lrj
=rj2
,rj2
=rj2
->next
) {
2118 lrj
->next
= rj2
->next
;
2127 void trojanscan_reply(nick
*target
, char *message
, ... ) {
2131 if (!trojanscan_nick
)
2134 va_start(va
, message
);
2135 vsnprintf(buf
, sizeof(buf
) - 1, message
, va
);
2138 sendnoticetouser(trojanscan_nick
, target
, "%s", buf
);
2142 void trojanscan_mainchanmsg(char *message
, ...) {
2147 if (!trojanscan_nick
)
2149 if (!(cp
= findchannel(TROJANSCAN_CHANNEL
)))
2152 va_start(va
, message
);
2153 vsnprintf(buf
, sizeof(buf
) - 1, message
, va
);
2156 sendmessagetochannel(trojanscan_nick
, cp
, "%s", buf
);
2159 #ifdef TROJANSCAN_PEONCHANNEL
2160 void trojanscan_peonchanmsg(char *message
, ...) {
2165 if (!trojanscan_nick
)
2167 if (!(cp
= findchannel(TROJANSCAN_PEONCHANNEL
)))
2170 va_start(va
, message
);
2171 vsnprintf(buf
, sizeof(buf
) - 1, message
, va
);
2174 sendmessagetochannel(trojanscan_nick
, cp
, "%s", buf
);
2178 int trojanscan_minmaxrand(float min
, float max
) {
2179 return (int)((max
-min
+1)*rand()/(RAND_MAX
+min
))+min
;
2182 char *trojanscan_iptostr(char *buf
, int buflen
, unsigned int ip
) {
2183 snprintf(buf
, buflen
, "%d.%d.%d.%d", ip
>> 24, (ip
>> 16) & 255, (ip
>> 8) & 255, ip
& 255);
2187 char trojanscan_genchar(int ty
) {
2188 /* hostname and realname characters*/
2190 if (!(trojanscan_minmaxrand(0, 40) % 10)) {
2191 return trojanscan_minmaxrand(48, 57);
2193 return trojanscan_minmaxrand(97, 122);
2195 /* ident characters - without numbers*/
2196 } else if (ty
== 1) {
2197 return trojanscan_minmaxrand(97, 122);
2198 /* ident characters - with numbers*/
2199 } else if (ty
== 2) {
2200 ty
= trojanscan_minmaxrand(97, 125);
2201 if (ty
> 122) return trojanscan_minmaxrand(48, 57);
2203 /* nick characters - with and without numbers*/
2204 } else if (ty
== 3 || ty
== 4) {
2205 if (!(trojanscan_minmaxrand(0, 59) % 16)) {
2206 char weirdos
[6] = { '\\', '|', '[', '{', ']', '}' };
2207 return weirdos
[trojanscan_minmaxrand(0, 5)];
2210 ty
= trojanscan_minmaxrand(65, 93);
2211 if (ty
> 90) return trojanscan_minmaxrand(48, 57);
2213 ty
= trojanscan_minmaxrand(65, 90);
2215 if (!(trojanscan_minmaxrand(0, 40) % 8)) return ty
;
2223 void trojanscan_gennick(char *ptc
, char size
) {
2225 for (i
=0;i
<size
;i
++) {
2227 ptc
[i
] = trojanscan_genchar(3);
2229 ptc
[i
] = trojanscan_genchar(4);
2235 void trojanscan_genident(char *ptc
, char size
) {
2237 for (i
=0;i
<size
;i
++) {
2239 ptc
[i
] = trojanscan_genchar(1);
2241 ptc
[i
] = trojanscan_genchar(2);
2247 void trojanscan_genhost(char *ptc
, char size
, patricia_node_t
**fakeipnode
) {
2248 int dots
= trojanscan_minmaxrand(2, 5), i
, dotexist
= 0, cur
;
2249 struct irc_in_addr ipaddress
;
2252 for (i
=0;i
<size
;i
++) {
2253 ptc
[i
] = trojanscan_genchar(0);
2254 if ((i
> 5) && (i
< (size
-4))) {
2255 if ((ptc
[i
-1] != '.') && (ptc
[i
-1] != '-')) {
2256 cur
= trojanscan_minmaxrand(1,size
/ dots
);
2271 memset(&ipaddress
, 0, sizeof(ipaddress
));
2272 ((unsigned short *)(ipaddress
.in6_16
))[5] = 65535;
2273 ((unsigned short *)(ipaddress
.in6_16
))[6] = trojanscan_minmaxrand(0, 65535);
2274 ((unsigned short *)(ipaddress
.in6_16
))[7] = trojanscan_minmaxrand(0, 65535);
2276 *fakeipnode
= refnode(iptree
, &ipaddress
, PATRICIA_MAXBITS
);
2279 void trojanscan_genreal(char *ptc
, char size
) {
2280 int spaces
= trojanscan_minmaxrand(2, 4), i
;
2281 for (i
=0;i
<size
;i
++) {
2282 ptc
[i
] = trojanscan_genchar(0);
2283 if ((i
> 5) && (i
< (size
-4))) {
2284 if (ptc
[i
-1] != ' ') {
2285 if (trojanscan_minmaxrand(1,size
/ spaces
) == 1) ptc
[i
] = ' ';
2292 int trojanscan_is_not_octet(char *begin
, int length
) {
2296 for(i
=0;i
<length
;i
++) {
2297 if (!((*begin
>= '0') && (*begin
<= '9')))
2304 int trojanscan_generatepool(void) {
2305 int i
, k
= 0, j
= 0, loops
= 0;
2309 for (i
=0;i
<NICKHASHSIZE
;i
++)
2310 for (np
=nicktable
[i
];np
;np
=np
->next
)
2313 if(j
< trojanscan_min_hosts
)
2316 if(TROJANSCAN_HOST_MODE
== TROJANSCAN_STEAL_HOST
)
2317 return TROJANSCAN_MINPOOLSIZE
;
2321 for (j
=trojanscan_minmaxrand(0, NICKHASHSIZE
-1);j
<NICKHASHSIZE
;j
++) {
2323 for(p
=nicktable
[j
]->host
->name
->content
, pp
=p
;*p
;) {
2325 if (!trojanscan_is_not_octet(pp
, p
-pp
)) {
2326 if (i
< TROJANSCAN_POOLSIZE
) {
2327 if (i
< trojanscan_hostpoolsize
)
2328 freesstring(trojanscan_hostpool
[i
]);
2329 trojanscan_hostpool
[i
] = getsstring(pp
, p
-pp
);
2332 if (k
>= TROJANSCAN_POOLSIZE
)
2339 if (!trojanscan_is_not_octet(pp
, p
-pp
)) {
2340 if (k
< TROJANSCAN_POOLSIZE
) {
2341 if (k
< trojanscan_tailpoolsize
)
2342 freesstring(trojanscan_tailpool
[k
]);
2343 trojanscan_tailpool
[k
] = getsstring(pp
, p
-pp
);
2346 if (i
>= TROJANSCAN_POOLSIZE
)
2353 } while ((loops
< 5) && ((i
< TROJANSCAN_POOLSIZE
) || (k
< TROJANSCAN_POOLSIZE
)));
2355 trojanscan_hostpoolsize
= i
;
2356 trojanscan_tailpoolsize
= k
;
2360 nick
*trojanscan_selectuser(void) {
2361 int target
= trojanscan_minmaxrand(0, 500), loops
= 150, j
;
2364 for (j
=trojanscan_minmaxrand(0, NICKHASHSIZE
-1);j
<NICKHASHSIZE
;j
++)
2365 for(np
=nicktable
[j
];np
;np
=np
->next
)
2368 } while(--loops
> 0);
2372 host
*trojanscan_selecthost(void) {
2373 int target
= trojanscan_minmaxrand(0, 500), loops
= 150, j
;
2376 for (j
=trojanscan_minmaxrand(0, HOSTHASHSIZE
-1);j
<HOSTHASHSIZE
;j
++)
2377 for(hp
=hosttable
[j
];hp
;hp
=hp
->next
)
2380 } while(--loops
> 0);
2385 void trojanscan_generatehost(char *buf
, int maxsize
, patricia_node_t
**fakeip
) {
2386 struct irc_in_addr ipaddress
;
2388 if(TROJANSCAN_HOST_MODE
== TROJANSCAN_STEAL_HOST
) {
2395 hp
= trojanscan_selecthost();
2396 if(hp
&& (hp
->clonecount
<= TROJANSCAN_MAX_CLONE_COUNT
) && !trojanscan_isip(hp
->name
->content
)) {
2397 strlcpy(buf
, hp
->name
->content
, maxsize
+ 1);
2399 *fakeip
= hp
->nicks
->ipnode
;
2400 patricia_ref_prefix(hp
->nicks
->ipnode
->prefix
);
2402 memset(&ipaddress
, 0, sizeof(ipaddress
));
2403 ((unsigned short *)(ipaddress
.in6_16
))[5] = 65535;
2404 ((unsigned short *)(ipaddress
.in6_16
))[6] = trojanscan_minmaxrand(0, 65535);
2405 ((unsigned short *)(ipaddress
.in6_16
))[7] = trojanscan_minmaxrand(0, 65535);
2407 *fakeip
= refnode(iptree
, &ipaddress
, PATRICIA_MAXBITS
);
2411 } while(--loops
> 0);
2414 int pieces
= trojanscan_minmaxrand(2, 4), totallen
= 0, a
= 0, i
;
2415 int *choices
= tmalloc(sizeof(int) * (pieces
+ 1));
2416 int *lengths
= tmalloc(sizeof(int) * (pieces
+ 1));
2418 choices
[pieces
] = trojanscan_minmaxrand(0, trojanscan_tailpoolsize
-1);
2419 lengths
[pieces
] = strlen(trojanscan_tailpool
[choices
[pieces
]]->content
) + 1;
2420 totallen
+= lengths
[pieces
];
2422 for (i
=0;i
<pieces
;i
++) {
2423 choices
[i
] = trojanscan_minmaxrand(0, trojanscan_hostpoolsize
-1);
2424 lengths
[i
] = strlen(trojanscan_hostpool
[choices
[i
]]->content
) + 1;
2425 if (totallen
+lengths
[i
] > maxsize
) {
2426 choices
[i
] = choices
[pieces
];
2427 lengths
[i
] = lengths
[pieces
];
2431 totallen
+= lengths
[i
];
2434 for (i
=0;i
<pieces
;i
++) {
2435 for (cpos
=trojanscan_hostpool
[choices
[i
]]->content
; *cpos
;)
2440 for (cpos
=trojanscan_tailpool
[choices
[i
]]->content
; *cpos
;) {
2448 memset(&ipaddress
, 0, sizeof(ipaddress
));
2449 ((unsigned short *)(ipaddress
.in6_16
))[5] = 65535;
2450 ((unsigned short *)(ipaddress
.in6_16
))[6] = trojanscan_minmaxrand(0, 65535);
2451 ((unsigned short *)(ipaddress
.in6_16
))[7] = trojanscan_minmaxrand(0, 65535);
2453 *fakeip
= refnode(iptree
, &ipaddress
, PATRICIA_MAXBITS
);
2457 void trojanscan_generatenick(char *buf
, int maxsize
) {
2458 int bits
= trojanscan_minmaxrand(2, 3), loops
= 0, wanttocopy
, len
= 0, i
, d
= 0, newmaxsize
= maxsize
- trojanscan_minmaxrand(0, 7);
2462 maxsize
= newmaxsize
;
2465 np
= trojanscan_selectuser();
2467 wanttocopy
= trojanscan_minmaxrand(1, (strlen(np
->nick
) / 2) + 3);
2468 for(i
=0;((i
<wanttocopy
) && (len
<maxsize
));i
++)
2469 buf
[len
++] = np
->nick
[i
];
2475 } while (++loops
< 10);
2479 void trojanscan_generateident(char *buf
, int maxsize
) {
2480 nick
*np
= trojanscan_selectuser();
2483 strlcpy(buf
, np
->ident
, maxsize
+ 1);
2486 void trojanscan_generaterealname(char *buf
, int maxsize
) {
2487 nick
*np
= trojanscan_selectuser();
2490 strlcpy(buf
, np
->realname
->name
->content
, maxsize
+ 1);
2493 void trojanscan_database_close(void) {
2494 mysql_close(&trojanscan_sql
);
2497 int trojanscan_database_connect(char *dbhost
, char *dbuser
, char *dbpass
, char *db
, unsigned int port
) {
2498 mysql_init(&trojanscan_sql
);
2499 if (!mysql_real_connect(&trojanscan_sql
, dbhost
, dbuser
, dbpass
, db
, port
, NULL
, 0))
2504 void trojanscan_database_escape_string(char *dest
, char *source
, size_t length
) {
2505 mysql_escape_string(dest
, source
, length
);
2508 int trojanscan_database_query(char *format
, ...) {
2509 char trojanscan_sqlquery
[TROJANSCAN_QUERY_BUF_SIZE
];
2512 va_start(va
, format
);
2513 vsnprintf(trojanscan_sqlquery
, sizeof(trojanscan_sqlquery
) - 1, format
, va
);
2515 return mysql_query(&trojanscan_sql
, trojanscan_sqlquery
);
2518 int trojanscan_database_num_rows(trojanscan_database_res
*res
) {
2519 return mysql_num_rows(res
);
2522 trojanscan_database_res
*trojanscan_database_store_result() {
2523 return mysql_store_result(&trojanscan_sql
);
2526 trojanscan_database_row
trojanscan_database_fetch_row(trojanscan_database_res
*res
) {
2527 return mysql_fetch_row(res
);
2530 void trojanscan_database_free_result(trojanscan_database_res
*res
) {
2531 mysql_free_result(res
);
2534 int trojanscan_isip(char *host
) {
2535 char *p
= host
, components
= 0, length
= 0;
2539 if(((!length
) || (length
= 0)) || (++components
> 3))
2542 if ((++length
> 3) || !isdigit(*p
))
2546 return components
== 3;