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Remove unused variable.
[irc/quakenet/newserv.git] / trojanscan / trojanscan.c
CommitLineData
c86edd1d 1/*
378cf1b9 2 * Trojanscan version 2
c86edd1d 3 *
8f619fe4 4 * Trojanscan copyright (C) Chris Porter 2002-2007
c86edd1d
Q		 5 * Newserv bits copyright (C) David Mansell 2002-2003
6 *
378cf1b9
CP		 7 * TODO: CHECK::
8 * - Poke splidge about +r'ing bots, potential problems:
1fe41720 9 * - users might whine about T clone stealing account
378cf1b9
CP		 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)
c86edd1d
Q		 12 */
13
14#include "trojanscan.h"
707e6470 15#include "../lib/strlfunc.h"
87698d77
CP		 16#include "../lib/version.h"
17
8f619fe4 18MODULE_VERSION(TROJANSCAN_VERSION);
c86edd1d 19
cba071ec 20void trojanscan_phrasematch(channel *chp, nick *sender, trojanscan_phrases *phrase, char messagetype, char *matchbuf);
8f619fe4 21char *trojanscan_sanitise(char *input);
ef8d695d 22void trojanscan_refresh_settings(void);
a0c2b0da 23static void trojanscan_part_watch(int hook, void *arg);
8f619fe4 24
1e614cc2 25#define TROJANSCAN_SETTING_SIZE 256
8f619fe4
CP		 26#define TROJANSCAN_MAX_SETTINGS 50
27
28static struct {
29 char setting[TROJANSCAN_SETTING_SIZE];
30 char value[TROJANSCAN_SETTING_SIZE];
31} trojanscan_settings[TROJANSCAN_MAX_SETTINGS];
32
33static int settingcount = 0;
34static char *versionreply;
a0c2b0da 35static int hooksregistered = 0;
cba071ec 36
c86edd1d
Q		 37void _init() {
38 trojanscan_cmds = newcommandtree();
39
40 addcommandtotree(trojanscan_cmds, "showcommands", TROJANSCAN_ACL_UNAUTHED, 0, &trojanscan_showcommands);
41 addcommandtotree(trojanscan_cmds, "help", TROJANSCAN_ACL_UNAUTHED, 1, &trojanscan_help);
42 addcommandtotree(trojanscan_cmds, "hello", TROJANSCAN_ACL_UNAUTHED | TROJANSCAN_ACL_OPER, 1, &trojanscan_hello);
43
44 addcommandtotree(trojanscan_cmds, "join", TROJANSCAN_ACL_STAFF, 1, &trojanscan_userjoin);
45 addcommandtotree(trojanscan_cmds, "chanlist", TROJANSCAN_ACL_STAFF, 0, &trojanscan_chanlist);
46 addcommandtotree(trojanscan_cmds, "whois", TROJANSCAN_ACL_STAFF, 1, &trojanscan_whois);
47
48 addcommandtotree(trojanscan_cmds, "changelev", TROJANSCAN_ACL_STAFF | TROJANSCAN_ACL_OPER, 2, &trojanscan_changelev);
49 addcommandtotree(trojanscan_cmds, "deluser", TROJANSCAN_ACL_TEAMLEADER | TROJANSCAN_ACL_OPER, 2, &trojanscan_deluser);
b558d631 50 addcommandtotree(trojanscan_cmds, "mew", TROJANSCAN_ACL_STAFF, 2, &trojanscan_mew);
c86edd1d
Q		 51 addcommandtotree(trojanscan_cmds, "status", TROJANSCAN_ACL_STAFF | TROJANSCAN_ACL_OPER, 0, &trojanscan_status);
52 addcommandtotree(trojanscan_cmds, "listusers", TROJANSCAN_ACL_TEAMLEADER, 0, &trojanscan_listusers);
53
54 addcommandtotree(trojanscan_cmds, "rehash", TROJANSCAN_ACL_WEBSITE, 0, &trojanscan_rehash);
55
4c9499c7 56 addcommandtotree(trojanscan_cmds, "cat", TROJANSCAN_ACL_OPER, 1, &trojanscan_cat);
c86edd1d
Q		 57
58 addcommandtotree(trojanscan_cmds, "reschedule", TROJANSCAN_ACL_DEVELOPER | TROJANSCAN_ACL_OPER, 0, &trojanscan_reschedule);
59
60 srand((int)time(NULL));
61
62 trojanscan_connect_schedule = scheduleoneshot(time(NULL) + 1, &trojanscan_connect, NULL);
63}
64
65void _fini(void) {
66 int i;
67 struct trojanscan_realchannels *rp = trojanscan_realchanlist, *oldrp;
68 struct trojanscan_rejoinlist *rj = trojanscan_schedulerejoins, *oldrj;
69
70 if (trojanscan_nick)
71 deregisterlocaluser(trojanscan_nick, NULL);
72
73 if (trojanscan_connect_schedule)
74 deleteschedule(trojanscan_connect_schedule, &trojanscan_connect, NULL);
75
76 if(trojanscan_schedule)
77 deleteschedule(trojanscan_schedule, &trojanscan_dojoin, NULL);
78
79 if(trojanscan_poolschedule)
80 deleteschedule(trojanscan_poolschedule, &trojanscan_repool, NULL);
81
82 if(trojanscan_cloneschedule)
83 deleteschedule(trojanscan_poolschedule, &trojanscan_registerclones, NULL);
84
a0c2b0da
CP		 85 if(hooksregistered)
86 deregisterhook(HOOK_CHANNEL_PART, trojanscan_part_watch);
87
c86edd1d
Q		 88 while(rp) {
89 deleteschedule(rp->schedule, &trojanscan_dopart, (void *)rp);
90 oldrp = rp;
91 rp = rp->next;
92 free(oldrp);
93 }
94
95 while(rj) {
96 deleteschedule(rj->schedule, &trojanscan_rejoin_channel, (void *)rj);
97 freesstring(rj->channel);
98 oldrj = rj;
99 rj = rj->next;
100 free(oldrj);
101 }
102
103 if(trojanscan_initialschedule)
104 deleteschedule(trojanscan_initialschedule, &trojanscan_fill_channels, NULL);
105
106 deleteschedule(trojanscan_rehashschedule, &trojanscan_rehash_schedule, NULL);
107
108 for (i=0;i<TROJANSCAN_CLONE_TOTAL;i++)
109 if(trojanscan_swarm[i].clone) {
110 deregisterlocaluser(trojanscan_swarm[i].clone, NULL);
21ec3379 111 derefnode(iptree, trojanscan_swarm[i].fakeipnode);
c86edd1d
Q		 112 trojanscan_swarm[i].clone = NULL;
113 }
114 trojanscan_free_database();
115 trojanscan_free_channels();
116
117 for (i=0;i<trojanscan_hostpoolsize;i++)
118 freesstring(trojanscan_hostpool[i]);
119
120 for (i=0;i<trojanscan_tailpoolsize;i++)
121 freesstring(trojanscan_tailpool[i]);
122 trojanscan_database_close();
123}
124
125void trojanscan_connect(void *arg) {
126 sstring *mnick, *myident, *myhost, *myrealname, *myauthname;
127 sstring *dbhost, *dbuser, *dbpass, *db, *dbport, *temp;
128 channel *cp;
129 int length, i;
130 char buf[10];
131
132 trojanscan_connect_schedule = NULL;
133
134 for(i=0;i<TROJANSCAN_CLONE_TOTAL;i++)
135 trojanscan_swarm[i].index = i; /* sure this could be done with pointer arithmetic... */
136
137 trojanscan_hostpoolsize = 0;
138 trojanscan_tailpoolsize = 0;
139 trojanscan_hostmode = 0;
140 trojanscan_poolschedule = NULL;
141 trojanscan_cloneschedule = NULL;
142 trojanscan_realchanlist = NULL;
143 trojanscan_database.glines = 0;
144 trojanscan_database.detections = 0;
145
146 mnick = getcopyconfigitem("trojanscan", "nick", "T", NICKLEN);
147 myident = getcopyconfigitem("trojanscan", "ident", "trojanscan", NICKLEN);
148 myhost = getcopyconfigitem("trojanscan", "hostname", "trojanscan.slug.netsplit.net", HOSTLEN);
149 myrealname = getcopyconfigitem("trojanscan", "realname", "Trojanscan v" TROJANSCAN_VERSION, REALLEN);
150 myauthname = getcopyconfigitem("trojanscan", "authname", "T", ACCOUNTLEN);
151
152 dbhost = getcopyconfigitem("trojanscan", "dbhost", "localhost", HOSTLEN);
153 dbuser = getcopyconfigitem("trojanscan", "dbuser", "", NICKLEN);
154 dbpass = getcopyconfigitem("trojanscan", "dbpass", "", REALLEN);
155 db = getcopyconfigitem("trojanscan", "db", "", NICKLEN);
156
157 dbport = getcopyconfigitem("trojanscan", "dbport", "3306", ACCOUNTLEN);
158
159 length = snprintf(buf, sizeof(buf) - 1, "%d", TROJANSCAN_DEFAULT_MAXCHANS);
160 temp = getcopyconfigitem("trojanscan", "maxchans", buf, length);
161
162 trojanscan_maxchans = atoi(temp->content);
163 freesstring(temp);
164
165 length = snprintf(buf, sizeof(buf) - 1, "%d", TROJANSCAN_DEFAULT_CYCLETIME);
166 temp = getcopyconfigitem("trojanscan", "cycletime", buf, length);
167
168 trojanscan_cycletime = atoi(temp->content);
169 freesstring(temp);
170
171 length = snprintf(buf, sizeof(buf) - 1, "%d", TROJANSCAN_DEFAULT_PARTTIME);
172 temp = getcopyconfigitem("trojanscan", "parttime", buf, length);
173 trojanscan_part_time = atoi(temp->content);
174 freesstring(temp);
175
176 length = snprintf(buf, sizeof(buf) - 1, "%d", TROJANSCAN_DEFAULT_MAXUSERS);
177 temp = getcopyconfigitem("trojanscan", "maxusers", buf, length);
178 trojanscan_maxusers = atoi(temp->content);
179 freesstring(temp);
180
36efd3fc
CP		 181 length = snprintf(buf, sizeof(buf) - 1, "%d", TROJANSCAN_MINIMUM_HOSTS_BEFORE_POOL);
182 temp = getcopyconfigitem("trojanscan", "minpoolhosts", buf, length);
183 trojanscan_min_hosts = atoi(temp->content);
184 freesstring(temp);
185
c86edd1d 186 if ((trojanscan_cycletime / trojanscan_maxchans) < 1) {
1fe41720
CP		 187 Error("trojanscan", ERR_FATAL, "Cycletime / maxchans < 1, increase cycletime or decrease maxchans else cycling breaks.");
188 return; /* PPA: module failed to load */
c86edd1d
Q		 189 }
190
191 length = snprintf(buf, sizeof(buf) - 1, "%d", TROJANSCAN_DEFAULT_MINIMUM_CHANNEL_SIZE);
192 temp = getcopyconfigitem("trojanscan", "minchansize", buf, length);
193 trojanscan_minchansize = atoi(temp->content);
194 freesstring(temp);
195
196 trojanscan_nick = registerlocaluser(mnick->content, myident->content, myhost->content, myrealname->content, myauthname->content, UMODE_SERVICE | UMODE_DEAF |
197 UMODE_OPER | UMODE_INV |
198 UMODE_ACCOUNT,
199 &trojanscan_handlemessages);
200
201 if (trojanscan_database_connect(dbhost->content, dbuser->content, dbpass->content, db->content, atoi(dbport->content)) < 0) {
202 Error("trojanscan", ERR_FATAL, "Cannot connect to database host!");
1fe41720 203 return; /* PPA: module failed to load */
c86edd1d
Q		 204 }
205
b558d631 206 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)");
4986ec37 207 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)");
c86edd1d
Q		 208 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)");
209 trojanscan_database_query("CREATE TABLE channels (id INT(10) PRIMARY KEY AUTO_INCREMENT, channel VARCHAR(%d) NOT NULL, exempt BOOL DEFAULT 0)", CHANNELLEN);
210 trojanscan_database_query("CREATE TABLE users (id INT(10) PRIMARY KEY AUTO_INCREMENT, authname VARCHAR(%d) NOT NULL, authlevel TINYINT(4) NOT NULL)", ACCOUNTLEN);
211 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);
1e614cc2 212 trojanscan_database_query("CREATE TABLE settings (id INT(10) PRIMARY KEY AUTO_INCREMENT, setting VARCHAR(255) NOT NULL UNIQUE, value VARCHAR(255) NOT NULL)");
c86edd1d
Q		 213 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)");
214 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);
215
8f619fe4 216 trojanscan_database_query("DELETE FROM settings WHERE setting = 'rehash' OR setting = 'changed'");
c86edd1d
Q		 217 trojanscan_database_query("INSERT INTO settings (setting, value) VALUES ('rehash','0')");
218 trojanscan_database_query("INSERT INTO settings (setting, value) VALUES ('changed','0')");
8f619fe4
CP		 219
220 /* assumption: constants aren't supplied by someone evil */
221 trojanscan_database_query("INSERT INTO settings (setting, value) VALUES ('versionreply','" TROJANSCAN_DEFAULT_VERSION_REPLY "')");
c86edd1d 222
1e614cc2 223 trojanscan_refresh_settings();
c86edd1d
Q		 224 trojanscan_read_database(1);
225
226 cp = findchannel(TROJANSCAN_OPERCHANNEL);
227 if (!cp) {
228 localcreatechannel(trojanscan_nick, TROJANSCAN_OPERCHANNEL);
229 } else {
31f37482
CP		 230 if(!localjoinchannel(trojanscan_nick, cp))
231 localgetops(trojanscan_nick, cp);
c86edd1d
Q		 232 }
233
234 cp = findchannel(TROJANSCAN_CHANNEL);
235 if (!cp) {
236 localcreatechannel(trojanscan_nick, TROJANSCAN_CHANNEL);
237 } else {
31f37482
CP		 238 if(!localjoinchannel(trojanscan_nick, cp))
239 localgetops(trojanscan_nick, cp);
c86edd1d 240 }
e261c2c9 241
e3448309 242#ifdef TROJANSCAN_PEONCHANNEL
e261c2c9
CP		 243 cp = findchannel(TROJANSCAN_PEONCHANNEL);
244 if (!cp) {
245 localcreatechannel(trojanscan_nick, TROJANSCAN_PEONCHANNEL);
246 } else {
247 if(!localjoinchannel(trojanscan_nick, cp))
248 localgetops(trojanscan_nick, cp);
249 }
e3448309
CP		 250#endif
251
c86edd1d
Q		 252 freesstring(mnick);
253 freesstring(myident);
254 freesstring(myhost);
255 freesstring(myrealname);
256 freesstring(myauthname);
257 freesstring(dbhost);
258 freesstring(dbuser);
259 freesstring(dbpass);
260 freesstring(db);
261 freesstring(dbport);
262 trojanscan_registerclones(NULL);
263
c86edd1d
Q		 264 trojanscan_rehashschedule = scheduleoneshot(time(NULL) + 60, &trojanscan_rehash_schedule, NULL);
265
a0c2b0da
CP		 266 registerhook(HOOK_CHANNEL_PART, trojanscan_part_watch);
267 hooksregistered = 1;
c86edd1d
Q		 268}
269
8f619fe4
CP		 270char *trojanscan_get_setting(char *setting) {
271 int i;
272
273 for(i=0;i<settingcount;i++)
274 if(!strcmp(trojanscan_settings[i].setting, setting))
275 return trojanscan_settings[i].value;
276
277 return NULL;
278}
279
280void trojanscan_refresh_settings(void) {
281 trojanscan_database_res *res;
282 trojanscan_database_row sqlrow;
283 int i = 0;
284
285 if(trojanscan_database_query("SELECT setting, value FROM settings"))
286 return;
287
288 if(!(res = trojanscan_database_store_result(&trojanscan_sql)))
289 return;
290
291 if (trojanscan_database_num_rows(res) <= 0)
292 return;
293
294 while((sqlrow = trojanscan_database_fetch_row(res))) {
295 strlcpy(trojanscan_settings[i].setting, sqlrow[0], TROJANSCAN_SETTING_SIZE);
296 strlcpy(trojanscan_settings[i].value, sqlrow[1], TROJANSCAN_SETTING_SIZE);
297
298 trojanscan_sanitise(trojanscan_settings[i].value);
299
300 if(++i == TROJANSCAN_MAX_SETTINGS)
301 break;
302 }
303
304 settingcount = i;
305
306 trojanscan_database_free_result(res);
307
308 /* optimisation hack */
309 versionreply = trojanscan_get_setting("versionreply");
310}
311
c86edd1d 312void trojanscan_rehash_schedule(void *arg) {
8f619fe4 313 char *v;
da2d09ce
CP		 314 trojanscan_rehashschedule = scheduleoneshot(time(NULL) + 60, &trojanscan_rehash_schedule, NULL);
315
8f619fe4
CP		 316 trojanscan_refresh_settings();
317
318 v = trojanscan_get_setting("rehash");
319 if(v && v[0] == '1') {
320 trojanscan_mainchanmsg("n: rehash initiated by website. . .");
321 trojanscan_read_database(0);
322 }
c86edd1d
Q		 323}
324
325void trojanscan_free_database(void) {
326 int i;
327 for(i=0;i<trojanscan_database.total_channels;i++)
328 freesstring(trojanscan_database.channels[i].name);
329 free(trojanscan_database.channels);
f0ca73a3 330 for(i=0;i<trojanscan_database.total_phrases;i++) {
08d42cf7
CP		 331 if (trojanscan_database.phrases[i].phrase)
332 pcre_free(trojanscan_database.phrases[i].phrase);
333 if (trojanscan_database.phrases[i].hint)
334 pcre_free(trojanscan_database.phrases[i].hint);
f0ca73a3 335 }
c86edd1d
Q		 336 free(trojanscan_database.phrases);
337 for(i=0;i<trojanscan_database.total_worms;i++)
338 freesstring(trojanscan_database.worms[i].name);
339 free(trojanscan_database.worms);
340 trojanscan_database.total_channels = 0;
341 trojanscan_database.total_phrases = 0;
342 trojanscan_database.total_worms = 0;
343
344}
345
8f619fe4
CP		 346char *trojanscan_sanitise(char *input) {
347 char *p;
348
349 for(p=input;*p;p++)
350 if(*p == '\r' || *p == '\n')
351 *p = '!';
352
353 return input;
354}
355
c86edd1d
Q		 356sstring *trojanscan_getsstring(char *string, int length) {
357 int i;
358
359 for(i=0;i<length;i++) {
360 if ((string[i] == '\r') || (string[i] == '\n')) {
361 Error("trojanscan", ERR_WARNING, "Error reading %s at position %d, set to ERROR!", string, i+1);
362 return getsstring("ERROR", sizeof("ERROR"));
363 }
364 }
365
366 return getsstring(string, length);
367}
368
369int trojanscan_strip_codes(char *buf, size_t max, char *original) {
370 int i, j, length = TROJANSCAN_MMIN(strlen(original), max-1);
371 char *p2 = original, *p3, flag = 0;
372 p3 = buf;
373 for(i=0;i<length+1;i++) {
374 switch (*p2) {
375 case '\002':
376 case '\017':
377 case '\026':
378 case '\037':
379 break;
380 case '\003':
381 for(j=0;j<6;j++) {
382 if ((i + 1) > length)
383 break;
384 if ((j == 4) && flag)
385 break;
386 p2++;
387 i++;
388 if ((j == 0) && (!((*p2 >= '0') && (*p2 <= '9'))))
389 break;
390 if (j == 1) {
391
392 if (*p2 == ',') {
393 if ((i + 1) > length)
394 break;
395 if (!((*(p2 + 1) >= '0') && (*(p2 + 1) <= '9')))
396 break;
397 flag = 1;
398 } else if ((*p2 >= '0') && (*p2 <= '9')) {
399 flag = 0;
400 } else {
401 break;
402 }
403 }
404 if (j == 2) {
405 if (flag) {
406 if (!((*p2 >= '0') && (*p2 <= '9')))
407 break;
408 } else {
409 if (*p2 != ',') {
410 break;
411 } else {
412 if ((i + 1) > length)
413 break;
414 if (!((*(p2 + 1) >= '0') && (*(p2 + 1) <= '9')))
415 break;
416 }
417 }
418 }
419 if ((j == 3) && (!((*p2 >= '0') && (*p2 <= '9'))))
420 break;
421 if ((j == 4) && (!((*p2 >= '0') && (*p2 <= '9'))))
422 break;
423 }
424 p2--;
425 i--;
426 break;
427
428 default:
429 *p3 = *p2;
430 p3++;
431 break;
432 }
433 p2++;
434 }
435 return p3 - buf;
436}
437
438struct trojanscan_worms *trojanscan_find_worm_by_id(int id) {
439 int i;
440 for(i=0;i<trojanscan_database.total_worms;i++)
441 if ((trojanscan_database.worms[i].id == id))
442 return &trojanscan_database.worms[i];
443 return NULL;
444}
445
446void trojanscan_read_database(int first_time) {
447 const char *error;
448 int erroroffset, i, tempresult;
449
450 trojanscan_database_res *res;
451 trojanscan_database_row sqlrow;
452
453 if (!first_time) {
454 trojanscan_free_database();
455 } else {
456 trojanscan_database.total_channels = 0;
457 trojanscan_database.total_phrases = 0;
458 trojanscan_database.total_worms = 0;
459 }
460
461 if (!(trojanscan_database_query("SELECT channel, exempt FROM channels"))) {
462 if ((res = trojanscan_database_store_result(&trojanscan_sql))) {
463 trojanscan_database.total_channels = trojanscan_database_num_rows(res);
464 if (trojanscan_database.total_channels > 0) {
465 if ((trojanscan_database.channels = (trojanscan_channels *)malloc(sizeof(trojanscan_channels) * trojanscan_database.total_channels))) {
466 if ((trojanscan_database.total_channels>0) && trojanscan_database.channels) {
467 i = 0;
468 while((sqlrow = trojanscan_database_fetch_row(res))) {
8f619fe4 469 trojanscan_database.channels[i].name = trojanscan_getsstring(trojanscan_sanitise(sqlrow[0]), strlen(sqlrow[0]));
c86edd1d
Q		 470 trojanscan_database.channels[i].exempt = (sqlrow[1][0] == '1');
471 i++;
472 }
473 }
474 }
475 }
476 trojanscan_database_free_result(res);
477 }
478 }
479
378cf1b9 480 if (!(trojanscan_database_query("SELECT id, wormname, glinetype, length(data), hitmsgs, hitchans, epidemic FROM worms"))) {
c86edd1d
Q		 481 if ((res = trojanscan_database_store_result(&trojanscan_sql))) {
482 trojanscan_database.total_worms = trojanscan_database_num_rows(res);
483 if (trojanscan_database.total_worms > 0) {
484 if ((trojanscan_database.worms = (trojanscan_worms *)malloc(sizeof(trojanscan_worms) * trojanscan_database.total_worms))) {
485 i = 0;
486 while((sqlrow = trojanscan_database_fetch_row(res))) {
487 trojanscan_database.worms[i].id = atoi(sqlrow[0]);
8f619fe4 488 trojanscan_database.worms[i].name = trojanscan_getsstring(trojanscan_sanitise(sqlrow[1]), strlen(sqlrow[1]));
c86edd1d
Q		 489 tempresult = atoi(sqlrow[2]);
490 trojanscan_database.worms[i].glineuser = (tempresult == 0);
491 trojanscan_database.worms[i].glinehost = (tempresult == 1);
492 trojanscan_database.worms[i].monitor = (tempresult == 2);
493 if(sqlrow[3]) {
494 trojanscan_database.worms[i].datalen = ((atoi(sqlrow[3]) == 0) ? 0 : 1);
495 } else {
496 trojanscan_database.worms[i].datalen = 0;
497 }
498
499 trojanscan_database.worms[i].hitpriv = (atoi(sqlrow[4]) == 1);
500 trojanscan_database.worms[i].hitchans = (atoi(sqlrow[5]) == 1);
378cf1b9 501 trojanscan_database.worms[i].epidemic = (atoi(sqlrow[6]) == 1);
c86edd1d
Q		 502
503 i++;
504 }
505 }
506 }
507 trojanscan_database_free_result(res);
508 }
509 }
510
b558d631 511 if (!(trojanscan_database_query("SELECT id, phrase, wormid FROM phrases WHERE disabled = 0 ORDER BY priority DESC"))) {
c86edd1d
Q		 512 if ((res = trojanscan_database_store_result(&trojanscan_sql))) {
513 trojanscan_database.total_phrases = trojanscan_database_num_rows(res);
514 if (trojanscan_database.total_phrases > 0) {
515 if ((trojanscan_database.phrases = (trojanscan_phrases *)malloc(sizeof(trojanscan_phrases) * trojanscan_database.total_phrases))) {
516 i = 0;
517 while((sqlrow = trojanscan_database_fetch_row(res))) {
518 trojanscan_database.phrases[i].id = atoi(sqlrow[0]);
519 trojanscan_database.phrases[i].worm = trojanscan_find_worm_by_id(atoi(sqlrow[2]));
520 if (!(trojanscan_database.phrases[i].phrase = pcre_compile(sqlrow[1], PCRE_CASELESS, &error, &erroroffset, NULL))) {
521 Error("trojanscan", ERR_WARNING, "Error compiling expression %s at offset %d: %s", sqlrow[1], erroroffset, error);
522 } else {
08d42cf7
CP		 523 trojanscan_database.phrases[i].hint = pcre_study(trojanscan_database.phrases[i].phrase, 0, &error);
524 if (error) {
c86edd1d 525 Error("trojanscan", ERR_WARNING, "Error studying expression %s: %s", sqlrow[1], error);
08d42cf7 526 pcre_free(trojanscan_database.phrases[i].phrase);
c86edd1d
Q		 527 trojanscan_database.phrases[i].phrase = NULL;
528 }
529 }
530 i++;
531 }
532 }
533 }
534 trojanscan_database_free_result(res);
535 }
536 }
537
538 trojanscan_database_query("UPDATE settings SET value = '0' where setting = 'rehash'");
c86edd1d
Q		 539}
540
541void trojanscan_log(nick *np, char *event, char *details, ...) {
542 int nickid = 0;
543 char eevent[TROJANSCAN_QUERY_TEMP_BUF_SIZE], edetails[TROJANSCAN_QUERY_TEMP_BUF_SIZE], buf[513];
544 va_list va;
545
546 va_start(va, details);
547 vsnprintf(buf, sizeof(buf) - 1, details, va);
548 va_end(va);
549
550 if (np)
551 if (IsAccount(np))
552 nickid = trojanscan_user_id_by_authname(np->authname);
553
554 trojanscan_database_escape_string(eevent, event, strlen(event));
555 trojanscan_database_escape_string(edetails, buf, strlen(buf));
556 trojanscan_database_query("INSERT INTO logs (userid, act, description) VALUES ('%d', '%s', '%s')", nickid, eevent, edetails);
557}
558
559void trojanscan_generateclone(void *arg) {
c8fdcfa5 560 int i, loops = 0, modes = UMODE_XOPER | UMODE_INV;
c86edd1d 561 char c_nick[NICKLEN+1], c_ident[USERLEN+1], c_host[HOSTLEN+1], c_real[REALLEN+1];
21ec3379 562 patricia_node_t *fakeip;
c86edd1d 563
c3db6f7e 564 i = (int)((long)arg);
378cf1b9 565
c86edd1d
Q		 566 /* PPA: unlikely to be infinite */
567 do {
56099b38
CP		 568 c_nick[0] = '\0';
569 if (!loops && trojanscan_hostmode) /* only have one go at this */
c86edd1d 570 trojanscan_generatenick(c_nick, NICKLEN);
56099b38 571 if(!c_nick[0])
c86edd1d 572 trojanscan_gennick(c_nick, trojanscan_minmaxrand(7, TROJANSCAN_MMIN(13, NICKLEN)));
56099b38
CP		 573 loops++;
574 } while ((getnickbynick(c_nick) != NULL));
c86edd1d
Q		 575
576 trojanscan_generateident(c_ident, USERLEN);
56099b38 577 if(!c_ident[0])
c86edd1d
Q		 578 trojanscan_genident(c_ident, trojanscan_minmaxrand(4, TROJANSCAN_MMIN(8, USERLEN)));
579
580 if(trojanscan_hostmode) {
2e9a528b 581 trojanscan_generatehost(c_host, HOSTLEN, &fakeip);
56099b38 582 if(!c_host[0])
2e9a528b 583 trojanscan_genhost(c_host, HOSTLEN, &fakeip);
c86edd1d 584 } else {
2e9a528b 585 trojanscan_genhost(c_host, HOSTLEN, &fakeip);
c86edd1d
Q		 586 }
587
588 trojanscan_generaterealname(c_real, REALLEN);
56099b38 589 if(!c_real[0])
c86edd1d
Q		 590 trojanscan_genreal(c_real, trojanscan_minmaxrand(15, TROJANSCAN_MMIN(50, REALLEN)));
591
c86edd1d 592 trojanscan_swarm[i].clone = registerlocaluser(c_nick, c_ident, c_host, c_real, NULL, modes, &trojanscan_clonehandlemessages);
21ec3379 593 trojanscan_swarm[i].fakeipnode = fakeip;
2e9a528b 594
36efd3fc
CP		 595 if(trojanscan_swarm[i].clone && !trojanscan_swarm_created) {
596 nick *np = trojanscan_selectuser();
597 if(np) /* select a 'random' sign on time for whois generation */
598 trojanscan_swarm[i].clone->timestamp = np->timestamp;
599 }
c86edd1d
Q		 600 trojanscan_swarm[i].remaining = trojanscan_minmaxrand(5, 100);
601
602 trojanscan_swarm[i].sitting = 0;
603
604}
605
606void trojanscan_free_channels(void) {
607 int i;
608 if(trojanscan_chans) {
609 for(i=0;i<trojanscan_activechans;i++)
378cf1b9 610 freesstring(trojanscan_chans[i].channel);
c86edd1d
Q		 611 free(trojanscan_chans);
612 trojanscan_chans = NULL;
613 trojanscan_activechans = 0;
614 }
615}
616
617void trojanscan_repool(void *arg) {
618 if (trojanscan_generatepool() < TROJANSCAN_MINPOOLSIZE) {
619 trojanscan_hostmode = 0;
620 return;
621 } else {
622 trojanscan_hostmode = 1;
623 trojanscan_poolschedule = scheduleoneshot(time(NULL) + TROJANSCAN_POOL_REGENERATION, &trojanscan_repool, NULL);
624 }
625}
626
627void trojanscan_registerclones(void *arg) {
628 unsigned int i;
629
630 if (trojanscan_generatepool() < TROJANSCAN_MINPOOLSIZE) {
631 trojanscan_hostmode = 0;
632 trojanscan_cloneschedule = scheduleoneshot(time(NULL) + 10, &trojanscan_registerclones, NULL);
633 return;
634 } else {
635 trojanscan_hostmode = 1;
636 trojanscan_poolschedule = scheduleoneshot(time(NULL) + TROJANSCAN_POOL_REGENERATION, &trojanscan_repool, NULL);
637 trojanscan_cloneschedule = NULL;
638 }
639
640 for (i=0;i<TROJANSCAN_CLONE_TOTAL;i++)
c3db6f7e 641 trojanscan_generateclone((void *)((long)i));
c86edd1d
Q		 642 trojanscan_mainchanmsg("n: swarm (%d clones) created.", TROJANSCAN_CLONE_TOTAL);
643 trojanscan_swarm_created = 1;
72a4a767
CP		 644
645 trojanscan_initialschedule = scheduleoneshot(time(NULL) + 5, &trojanscan_fill_channels, NULL);
c86edd1d
Q		 646}
647
648int trojanscan_status(void *sender, int cargc, char **cargv) {
649 nick *np = (nick *)sender;
650 trojanscan_log(np, "status", "");
651 trojanscan_reply(np, "Channels in schedule: %d", trojanscan_activechans);
652 trojanscan_reply(np, "Channels in database: %d", trojanscan_database.total_channels);
653 trojanscan_reply(np, "Phrases: %d", trojanscan_database.total_phrases);
654 trojanscan_reply(np, "Worms: %d", trojanscan_database.total_worms);
655 trojanscan_reply(np, "Detections: %d", trojanscan_database.detections);
656 trojanscan_reply(np, "Glines: %d", trojanscan_database.glines);
657 trojanscan_reply(np, "Host/tail pool size: %d", TROJANSCAN_POOLSIZE);
658 trojanscan_reply(np, "Cycletime: %d", trojanscan_cycletime);
659 trojanscan_reply(np, "Clones: %d", TROJANSCAN_CLONE_TOTAL);
660 return CMD_OK;
661}
662
663int trojanscan_chanlist(void *sender, int cargc, char **cargv) {
664 int i;
665 nick *np = (nick *)sender;
31f37482 666 char buf[CHANNELLEN * 2 + 20];
c86edd1d 667 trojanscan_reply(np, "Channel list (%d total):", trojanscan_activechans);
31f37482
CP		 668 buf[0] = '\0';
669
670 for(i=0;i<trojanscan_activechans;i++) {
671 if(trojanscan_chans[i].channel->length + 3 > sizeof(buf) - strlen(buf)) {
672 trojanscan_reply(np, "%s", buf);
673 buf[0] = '\0';
674 }
675
676 /* if splidge sees this I'm going to die */
677 strlcat(buf, trojanscan_chans[i].channel->content, sizeof(buf));
678 strlcat(buf, " ", sizeof(buf));
679 }
680 if(buf[0])
681 trojanscan_reply(np, "%s", buf);
682
c86edd1d
Q		 683 trojanscan_reply(np, "Done.");
684 return CMD_OK;
685}
686
687int trojanscan_whois(void *sender, int cargc, char **cargv) {
688 char *tochange;
689 nick *np = (nick *)sender, *np2;
690 int templevel;
691
692 if (cargc < 1) {
693 trojanscan_reply(np, "Not enough parameters.");
694 return CMD_ERROR;
695 }
696
697 if (cargv[0][0] == '#') {
698 tochange = cargv[0] + 1;
699 } else {
700 int i;
701 np2 = getnickbynick(cargv[0]);
702 if (!np2) {
703 trojanscan_reply(np, "That nickname is not on the network.");
704 return CMD_ERROR;
705 }
706 for(i=0;i<TROJANSCAN_CLONE_TOTAL;i++) {
1fe41720 707 if(trojanscan_swarm[i].clone->nick && !ircd_strcmp(trojanscan_swarm[i].clone->nick, np2->nick)) {
c86edd1d 708 trojanscan_reply(np, "Nickname : %s", np2->nick);
31f37482 709 trojanscan_reply(np, "Swarm : yes", trojanscan_swarm[i].clone->nick);
c86edd1d
Q		 710 return CMD_OK;
711 }
712 }
713 if (!IsAccount(np2)) {
714 trojanscan_reply(np, "User is not authed.");
715 return CMD_OK;
716 }
717 tochange = np2->authname;
718 }
719
720 templevel = trojanscan_user_level_by_authname(tochange);
721 if (templevel == -1) {
722 trojanscan_reply(np, "User does not exist.");
723 } else {
724 union trojanscan_userlevel flags;
725 flags.number = templevel;
726 trojanscan_reply(np, "Authname : %s", tochange);
727 trojanscan_reply(np, "Flags : +" TROJANSCAN_FLAG_MASK, TrojanscanFlagsInfo(flags));
728 }
729
730 return CMD_OK;
731}
732
733void trojanscan_privmsg_chan_or_nick(channel *cp, nick *np, char *message, ...) {
734 char buf[513];
735 va_list va;
736
737 if (!trojanscan_nick)
738 return;
739
740 va_start(va, message);
741 vsnprintf(buf, sizeof(buf) - 1, message, va);
742 va_end(va);
743
744 if (cp) {
745 sendmessagetochannel(trojanscan_nick, cp, buf);
746 } else {
747 sendmessagetouser(trojanscan_nick, np, buf);
748 }
749
750}
751
752int trojanscan_mew(void *sender, int cargc, char **cargv) {
753 nick *np = (nick *)sender, *np2 = NULL;
754 channel *cp = NULL;
755
756 if (cargc < 2) {
757 trojanscan_reply(np, "Not enough paramaters.");
758 return CMD_ERROR;
759 }
760
761 if(cargv[0][0] == '#') {
762 if (!(cp = findchannel(cargv[0]))) {
763 trojanscan_reply(np, "Channel not found.");
764 return CMD_ERROR;
765 }
766 trojanscan_log(np, "mew", "%s %s", cp->index->name->content, cargv[1]);
767 } else {
768 if (!(np2 = getnickbynick(cargv[0]))) {
769 trojanscan_reply(np, "Nickname is not present on the network.");
770 return CMD_ERROR;
771 }
772 trojanscan_log(np, "mew", "%s %s", np2->nick, cargv[1]);
773 }
774
775 trojanscan_privmsg_chan_or_nick(cp, np2, "\001ACTION mews hopefully at %s\001", cargv[1]);
776
777 if (cp) {
778 trojanscan_reply(np, "Mewed at %s in %s.", cargv[1], cp->index->name->content);
779 } else {
780 trojanscan_reply(np, "Mewed at %s at %s.", cargv[1], np2->nick);
781 }
b558d631
CP		 782
783 if(!IsOper(np))
784 trojanscan_mainchanmsg("n: mew: %s %s (%s/%s)", cargv[1], cp?cp->index->name->content:np2->nick, np->nick, np->authname);
785
c86edd1d
Q		 786 return CMD_OK;
787}
788
789int trojanscan_cat(void *sender, int cargc, char **cargv) {
790 nick *np = (nick *)sender, *np2 = NULL;
791 channel *cp = NULL;
792 FILE *cat;
793 char buf[513], *p;
794
795 if (cargc < 1) {
796 trojanscan_reply(np, "Not enough paramaters.");
797 return CMD_ERROR;
798 }
799
800 if(cargv[0][0] == '#') {
801 if (!(cp = findchannel(cargv[0]))) {
802 trojanscan_reply(np, "Channel not found.");
803 return CMD_ERROR;
804 }
805 trojanscan_log(np, "cat", cp->index->name->content);
806 } else {
807 if (!(np2 = getnickbynick(cargv[0]))) {
808 trojanscan_reply(np, "Nickname is not present on the network.");
809 return CMD_ERROR;
810 }
811 trojanscan_log(np, "cat", np2->nick);
812 }
813
814 if ((!(cat = fopen(TROJANSCAN_CAT, "r")))) {
815 trojanscan_reply(np, "Unable to open cat!");
816 return CMD_ERROR;
817 }
818
c86edd1d
Q		 819 while (fgets(buf, sizeof(buf) - 1, cat)) {
820 if ((p = strchr(buf, '\n'))) {
821 *p = '\0';
822 trojanscan_privmsg_chan_or_nick(cp, np2, "%s", buf);
823 } else if (feof(cat)) {
824 trojanscan_privmsg_chan_or_nick(cp, np2, "%s", buf);
825 }
826 }
827
828 fclose(cat);
829
830 if (cp) {
831 trojanscan_reply(np, "Spammed cat in %s.", cp->index->name->content);
832 } else {
833 trojanscan_reply(np, "Spammed cat at %s.", np2->nick);
834 }
835
836 return CMD_OK;
837}
838
839int trojanscan_reschedule(void *sender, int cargc, char **cargv) {
840 nick *np = (nick *)sender;
841 trojanscan_log(np, "reschedule", "");
842 trojanscan_fill_channels(NULL);
843
844 trojanscan_reply(np, "Rescheduled.");
845 return CMD_OK;
846}
847
848int trojanscan_listusers(void *sender, int cargc, char **cargv) {
849 nick *np = (nick *)sender;
850
851 trojanscan_log(np, "listusers", "");
852
853 trojanscan_reply(np, "User list:");
854
855 if (!(trojanscan_database_query("SELECT authname, authlevel FROM users ORDER BY authlevel DESC, authname"))) {
856 trojanscan_database_res *res;
857 if ((res = trojanscan_database_store_result(&trojanscan_sql))) {
858 if (trojanscan_database_num_rows(res)) {
859 trojanscan_database_row sqlrow;
860 union trojanscan_userlevel flags;
861 while((sqlrow = trojanscan_database_fetch_row(res))) {
862 flags.number = atoi(sqlrow[1]);
863 trojanscan_reply(np, "%s +" TROJANSCAN_FLAG_MASK, sqlrow[0], TrojanscanIsDeveloper(flags) ? "d" : "", TrojanscanIsTeamLeader(flags) ? "t" : "", TrojanscanIsStaff(flags) ? "s" : "", TrojanscanIsWebsite(flags) ? "w" : "", TrojanscanIsCat(flags) ? "c" : "");
864 }
865 }
866 trojanscan_database_free_result(res);
867 }
868 }
869
870 trojanscan_reply(np, "Done.");
871 return CMD_OK;
872}
873
874int trojanscan_help(void *sender, int cargc, char **cargv) {
875 nick *np = (nick *)sender;
876
877 if (cargc == 0) {
878 trojanscan_reply(np, "Not enough parameters.");
879 return CMD_ERROR;
880 }
881
882 if (!strcasecmp("help", cargv[0])) {
883 trojanscan_reply(np, "Syntax: help <command name>");
884 trojanscan_reply(np, "Gives help on commands.");
885 } else if (!strcasecmp("status", cargv[0])) {
886 trojanscan_reply(np, "Syntax: status");
887 trojanscan_reply(np, "Gives statistical information about the bot.");
888 } else if (!strcasecmp("join", cargv[0])) {
889 trojanscan_reply(np, "Syntax: join <#channel>");
890 trojanscan_reply(np, "Orders a clone to join supplied channel.");
891 } else if (!strcasecmp("showcommands", cargv[0])) {
892 trojanscan_reply(np, "Syntax: showcommands");
893 trojanscan_reply(np, "Pretty obvious.");
894 } else if (!strcasecmp("hello", cargv[0])) {
895 trojanscan_reply(np, "Syntax: hello ?nickname?");
896 trojanscan_reply(np, "Creates a new user.");
897 } else if (!strcasecmp("rehash", cargv[0])) {
898 trojanscan_reply(np, "Syntax: rehash");
899 trojanscan_reply(np, "Reloads bot database.");
900 } else if (!strcasecmp("changelev", cargv[0])) {
901 trojanscan_reply(np, "Syntax: changelev <nickname or #authname> <flags>");
902 trojanscan_reply(np, "Changes access flags of selected user to supplied input.");
903 trojanscan_reply(np, "+d -> developer");
904 trojanscan_reply(np, "+t -> team leader");
905 trojanscan_reply(np, "+s -> staff");
906 trojanscan_reply(np, "+w -> web management");
907 trojanscan_reply(np, "+c -> cat access");
908 } else if (!strcasecmp("deluser", cargv[0])) {
909 trojanscan_reply(np, "Syntax: deluser <nickname or #authname>");
910 trojanscan_reply(np, "Deletes selected user from my database.");
911 } else if (!strcasecmp("mew", cargv[0])) {
912 trojanscan_reply(np, "Syntax: mew <#channel or nickname> <nickname>");
913 trojanscan_reply(np, "Gracefully mews at target in selected channel or query.");
914 } else if (!strcasecmp("cat", cargv[0])) {
915 trojanscan_reply(np, "Syntax: cat <#channel or nickname>");
916 trojanscan_reply(np, "Shows the almightly cat.");
917 } else if (!strcasecmp("reschedule", cargv[0])) {
918 trojanscan_reply(np, "Syntax: reschedule");
919 trojanscan_reply(np, "Recalculates bots schedule.");
920 } else if (!strcasecmp("chanlist", cargv[0])) {
921 trojanscan_reply(np, "Syntax: chanlist");
922 trojanscan_reply(np, "Displays bots current channel list.");
923 } else if (!strcasecmp("whois", cargv[0])) {
924 trojanscan_reply(np, "Syntax: whois <nickname or #authname>");
925 trojanscan_reply(np, "Displays information on given user.");
926 } else if (!strcasecmp("whois", cargv[0])) {
927 trojanscan_reply(np, "Syntax: listusers <flags>");
928 trojanscan_reply(np, "Displays users with listusersing flags.");
929 } else {
930 trojanscan_reply(np, "Command not found.");
931 return CMD_ERROR;
932 }
933
934 return CMD_OK;
935}
936
937int trojanscan_hello(void *sender, int cargc, char **cargv) {
938 nick *np = (nick *)sender, *toadd;
939 char eaccount[TROJANSCAN_QUERY_TEMP_BUF_SIZE];
940 int level = 0;
941
942 if (cargc > 0) {
943 toadd = getnickbynick(cargv[0]);
944 if (!toadd) {
945 trojanscan_reply(np, "That nickname is not on the network.");
946 return CMD_ERROR;
947 }
948 if (!IsAccount(toadd)) {
949 trojanscan_reply(np, "That user is not authed with the network.");
950 return CMD_ERROR;
951 }
952 } else {
953 if (!IsAccount(np)) {
954 trojanscan_reply(np, "You are not authed with the network, auth before creating your user.");
955 return CMD_ERROR;
956 }
957 toadd = np;
958 }
959
960 if (trojanscan_user_level_by_authname(toadd->authname)!=-1) {
961 trojanscan_reply(np, "Authname (%s) is already on file.", toadd->authname);
962 return CMD_ERROR;
963 }
964
965 trojanscan_log(np, "hello", toadd->authname);
966
967 if (!(trojanscan_database_query("SELECT id FROM users LIMIT 1"))) {
968 trojanscan_database_res *res;
969 if ((res = trojanscan_database_store_result(&trojanscan_sql))) {
970 if (trojanscan_database_num_rows(res) == 0)
971 level = TROJANSCAN_ACL_DEVELOPER | TROJANSCAN_ACL_STAFF | TROJANSCAN_ACL_WEBSITE | TROJANSCAN_ACL_CAT;
972 trojanscan_database_free_result(res);
973 }
974 }
975
976 trojanscan_database_escape_string(eaccount, toadd->authname, strlen(toadd->authname));
977 trojanscan_database_query("INSERT INTO users (authname, authlevel) VALUES ('%s', %d)", eaccount, level);
978 trojanscan_reply(np, "Account added to database, account %s%s.", toadd->authname, level>0?" (first user so developer access)":"");
979
980 return CMD_OK;
981}
982
983int trojanscan_user_level_by_authname(char *authname) {
984 int result = -1, sl = strlen(authname);
985 char eaccount[TROJANSCAN_QUERY_TEMP_BUF_SIZE];
986
987 trojanscan_database_escape_string(eaccount, authname, sl);
988 if (!(trojanscan_database_query("SELECT authlevel, authname FROM users WHERE authname = '%s'", eaccount))) {
989 trojanscan_database_res *res;
990 if ((res = trojanscan_database_store_result(&trojanscan_sql))) {
991 if (trojanscan_database_num_rows(res) > 0) {
992 trojanscan_database_row sqlrow = trojanscan_database_fetch_row(res);
993 result = atoi(sqlrow[0]);
707e6470 994 strlcpy(authname, sqlrow[1], sl + 1);
c86edd1d
Q		 995 }
996 trojanscan_database_free_result(res);
997 }
998 }
999 return result;
1000}
1001
1002int trojanscan_user_id_by_authname(char *authname) {
1003 int result = 0;
1004 char eaccount[TROJANSCAN_QUERY_TEMP_BUF_SIZE];
1005
1006 trojanscan_database_escape_string(eaccount, authname, strlen(authname));
1007 if (!(trojanscan_database_query("SELECT id FROM users WHERE authname = '%s'", eaccount))) {
1008 trojanscan_database_res *res;
1009 if ((res = trojanscan_database_store_result(&trojanscan_sql))) {
1010 if (trojanscan_database_num_rows(res) > 0) {
1011 trojanscan_database_row sqlrow = trojanscan_database_fetch_row(res);
1012 result = atoi(sqlrow[0]);
1013 }
1014 trojanscan_database_free_result(res);
1015 }
1016 }
1017 return result;
1018}
1019
1020struct trojanscan_clones *trojanscan_selectclone(char type) {
1021 struct trojanscan_clones *rc;
1022 int randomclone, hits = 0, minlimit, maxlimit;
1023
1024 if(type == TROJANSCAN_WATCH_CLONES) {
1025 minlimit = TROJANSCAN_CLONE_MAX;
378cf1b9 1026 maxlimit = minlimit + TROJANSCAN_WATCHCLONE_MAX - 1;
c86edd1d
Q		 1027 } else {
1028 minlimit = 0;
1029 maxlimit = TROJANSCAN_CLONE_MAX - 1;
1030 }
1031
1032 do {
1033 randomclone = trojanscan_minmaxrand(minlimit, maxlimit);
1034 if (hits++ > 200)
1035 return NULL;
1036 rc = &trojanscan_swarm[randomclone];
1037 if ((type == TROJANSCAN_NORMAL_CLONES) && (rc->sitting == 0) && (rc->remaining == 0))
1038 break;
1039
1040 } while (rc->remaining == 0);
1041
1042 if(type == TROJANSCAN_NORMAL_CLONES) {
1043 if ((rc->sitting == 0) && (rc->remaining == 0)) {
1044 if ((!rc->remaining) && (!rc->sitting)) {
1045 if (rc->clone) {
1046 deregisterlocaluser(rc->clone, NULL);
21ec3379 1047 derefnode(iptree, rc->fakeipnode);
c86edd1d
Q		 1048 rc->clone = NULL;
1049 }
c3db6f7e 1050 trojanscan_generateclone((void *)((long)rc->index));
c86edd1d
Q		 1051 }
1052 }
c86edd1d
Q		 1053 }
1054
1055 return rc;
1056
1057}
1058
2e9a528b
P		 1059/* hack hack hack */
1060int trojanscan_nickbanned(trojanscan_clones *np, channel *cp) {
1061 int ret;
21ec3379 1062 patricia_node_t *realipnode = np->clone->ipnode;
2e9a528b 1063
21ec3379 1064 np->clone->ipnode = np->fakeipnode;
2e9a528b
P		 1065
1066 ret = nickbanned(np->clone, cp);
1067
21ec3379 1068 np->clone->ipnode = realipnode;
2e9a528b
P		 1069
1070 return ret;
1071}
1072
c86edd1d
Q		 1073struct trojanscan_realchannels *trojanscan_allocaterc(char *chan) {
1074 struct trojanscan_realchannels *rc;
1075 struct trojanscan_clones *clonep;
1076 channel *cp;
378cf1b9 1077 int attempts_left = 10;
c86edd1d
Q		 1078
1079 if (!chan) {
1080 trojanscan_errorcode = 1; /* sorry splidge ;( */
1081 return NULL;
1082 }
1083
1084 if(chan[0] != '#') {
1085 trojanscan_errorcode = 2;
1086 return NULL;
1087 }
1088
1089 if (strlen(chan) > 1) {
1090 if(strrchr(chan, ',')) {
1091 trojanscan_errorcode = 3;
1092 return NULL;
1093 }
1094
1095 if(strrchr(chan, ' ')) {
1096 trojanscan_errorcode = 4;
1097 return NULL;
1098 }
1099 }
1100
1101 cp = findchannel(chan);
1102 if (!cp) {
1103 trojanscan_errorcode = 5;
1104 return NULL;
1105 }
378cf1b9
CP		 1106
1107 do {
1108 clonep = trojanscan_selectclone(TROJANSCAN_NORMAL_CLONES);
1109 if (!clonep) {
1110 trojanscan_errorcode = 6;
1111 return NULL;
1112 }
2e9a528b 1113 if(!trojanscan_nickbanned(clonep, cp))
378cf1b9
CP		 1114 break;
1115 } while (--attempts_left > 0);
1116
1117 if (!attempts_left) {
1118 trojanscan_errorcode = 7;
c86edd1d
Q		 1119 return NULL;
1120 }
378cf1b9 1121
c86edd1d
Q		 1122 rc = (struct trojanscan_realchannels *)malloc(sizeof(struct trojanscan_realchannels));
1123
1124 rc->next = NULL;
1125 rc->clone = clonep;
1126 rc->chan = cp;
1127 rc->donotpart = 0;
1128 rc->kickedout = 0;
1129 return rc;
1130}
1131
1132void trojanscan_join(struct trojanscan_realchannels *rc) {
1133 struct trojanscan_realchannels *rp = trojanscan_realchanlist;
1134
1135 if (rc->clone && rc->clone->clone) {
1136 if (!localjoinchannel(rc->clone->clone, rc->chan)) {
31f37482
CP		 1137 rc->clone->remaining--;
1138 rc->clone->sitting++;
c86edd1d
Q		 1139 if (trojanscan_minmaxrand(1, TROJANSCAN_NICKCHANGE_ODDS)%TROJANSCAN_NICKCHANGE_ODDS == 0)
1140 trojanscan_donickchange((void *)rc->clone);
1141
1142 rc->schedule = scheduleoneshot(time(NULL)+trojanscan_part_time, &trojanscan_dopart, (void *)rc);
1143
1144 if (rp) {
1145 for(;rp->next;rp=rp->next);
1146 rp->next = rc;
1147 } else {
1148 trojanscan_realchanlist = rc;
1149 }
1150 }
1151 }
1152
1153}
1154
1155int trojanscan_userjoin(void *sender, int cargc, char **cargv) {
1156 nick *np = (nick *)sender;
1157 struct trojanscan_realchannels *rc;
1158
1159 if (cargc < 1) {
1160 trojanscan_reply(np, "Not enough paramaters");
1161 return CMD_ERROR;
1162 }
1163
1164 if (!trojanscan_swarm_created) {
1165 trojanscan_reply(np, "My swarm is currently empty.");
1166 return CMD_OK;
1167 }
1168
1169 if((rc = trojanscan_allocaterc(cargv[0]))) {
1170 trojanscan_log(np, "join", cargv[0]);
1171 trojanscan_join(rc);
1172 trojanscan_reply(np, "Clone has joined channel.");
1173 if(!IsOper(np))
1174 trojanscan_mainchanmsg("n: join: %s (%s/%s)", cargv[0], np->nick, np->authname);
1175 } else {
1176 if (trojanscan_errorcode == 5) {
1177 trojanscan_reply(np, "Not joining empty channel, check you entered the correct channel name.");
1178 } else {
1179 trojanscan_reply(np, "Clone could not join channel (error code %d)!", trojanscan_errorcode);
1180 }
1181 }
1182 return CMD_OK;
1183}
1184
1185int trojanscan_rehash(void *sender, int cargc, char **cargv) {
1186 nick *np = (void *)sender;
1e614cc2 1187 trojanscan_refresh_settings();
c86edd1d
Q		 1188 trojanscan_read_database(0);
1189 trojanscan_log(np, "rehash", "");
1190 trojanscan_reply(np, "Done.");
1191 return CMD_OK;
1192}
1193
1194int trojanscan_changelev(void *sender, int cargc, char **cargv) {
1195 nick *np = (nick *)sender, *np2;
1196 int templevel;
1197 char eaccount[TROJANSCAN_QUERY_TEMP_BUF_SIZE], *tochange, *p, mode = 1, error = 0, clast = 0, specialcase;
1198 union trojanscan_userlevel flags1, flags2;
1199
1200 if (cargc < 2) {
1201 trojanscan_reply(np, "Not enough parameters.");
1202 return CMD_ERROR;
1203 }
1204
1205 templevel = trojanscan_user_level_by_authname(np->authname);
1206
1207 if (templevel == -1) {
1208 trojanscan_reply(np, "You do not have an account.");
1209 return CMD_ERROR;
1210 }
1211
1212 flags1.number = templevel;
1213
1214 if (cargv[0][0] == '#') {
1215 tochange = cargv[0] + 1;
1216 } else {
1217 np2 = getnickbynick(cargv[0]);
1218 if (!np2) {
1219 trojanscan_reply(np, "That nickname is not on the network.");
1220 return CMD_ERROR;
1221 }
1222 if (!IsAccount(np2)) {
1223 trojanscan_reply(np, "That user is not authed with the network.");
1224 return CMD_ERROR;
1225 }
1226 tochange = np2->authname;
1227 }
1228
1229 templevel = trojanscan_user_level_by_authname(tochange);
1230
1231 if (templevel == -1) {
1232 trojanscan_reply(np, "User does not exist.");
1233 return CMD_ERROR;
1234 }
1235
1236 flags2.number = templevel;
1237
1238 if (!ircd_strcmp(np->authname, tochange)) {
1239 specialcase = 1;
1240 } else {
1241 specialcase = 0;
1242 }
1243
1244 for (p=cargv[1];*p;p++) {
1245 switch (*p) {
1246 case '+':
1247 case '-':
1248 mode = (*p == '+');
1249 break;
1250 case 'd':
1251 if (!TrojanscanIsDeveloper(flags1))
1252 clast = 1;
1253 flags2.values.developer = mode;
1254 break;
1255 case 't':
1256 if (!TrojanscanIsDeveloper(flags1))
1257 clast = 1;
1258 flags2.values.teamleader = mode;
1259 break;
1260 case 's':
1261 if (!TrojanscanIsLeastTeamLeader(flags1))
1262 clast = 1;
1263 flags2.values.staff = mode;
1264 break;
1265 case 'w':
1266 if (!TrojanscanIsDeveloper(flags1))
1267 clast = 1;
1268 flags2.values.website = mode;
1269 break;
1270 case 'c':
1271 if (!TrojanscanIsDeveloper(flags1))
1272 clast = 1;
1273 flags2.values.cat = mode;
1274 break;
1275 default:
1276 error = 1;
1277 goto last;
1278 break;
1279 }
1280 if (clast == 1) {
1281 if (specialcase && !mode) { /* allow user to remove their own flags */
1282 clast = 0;
1283 } else {
1284 goto last;
1285 }
1286 }
1287 }
1288
1289 last:
1290 if (*p) {
1291 if (error) {
1292 trojanscan_reply(np, "Unknown mode: %c%c.", mode?'+':'-', *p);
1293 } else {
1294 trojanscan_reply(np, "You have insufficient privilidges to add/remove one or more flags specified.");
1295 }
1296 return CMD_ERROR;
1297 }
1298
1299 trojanscan_log(np, "changelev", "%s %s", tochange, cargv[1]);
1300 trojanscan_database_escape_string(eaccount, tochange, strlen(tochange));
1301 trojanscan_database_query("UPDATE users SET authlevel = %d WHERE authname = '%s'", flags2.number, eaccount);
1302
1303 trojanscan_reply(np, "Flags changed.");
1304
1305 return CMD_OK;
1306}
1307
1308int trojanscan_deluser(void *sender, int cargc, char **cargv) {
1309 nick *np = (nick *)sender, *to;
1310 int templevel;
1311 char eaccount[TROJANSCAN_QUERY_TEMP_BUF_SIZE], *account;
1312 union trojanscan_userlevel flags1, flags2;
1313
1314 if (cargc < 1) {
1315 trojanscan_reply(np, "Not enough parameters.");
1316 return CMD_ERROR;
1317 }
1318
1319 if (cargv[0][0] == '#') {
1320 account = cargv[0] + 1;
1321 } else {
1322 to = getnickbynick(cargv[0]);
1323 if (!to) {
1324 trojanscan_reply(np, "That nickname is not on the network.");
1325 return CMD_ERROR;
1326 }
1327 if (!IsAccount(to)) {
1328 trojanscan_reply(np, "That user is not authed with the network.");
1329 return CMD_ERROR;
1330 }
1331 account = to->authname;
1332 }
1333
1334 flags1.number = trojanscan_user_level_by_authname(np->authname);
1335 templevel = trojanscan_user_level_by_authname(account);
1336
1337 if (templevel == -1) {
1338 trojanscan_reply(np, "Auth %s does not exist.", account);
1339 return CMD_ERROR;
1340 }
1341
1342 flags2.number = templevel;
1343
1344 if (!TrojanscanIsDeveloper(flags1) && TrojanscanIsLeastTeamLeader(flags2)) {
1345 trojanscan_reply(np, "Your cannot delete %s as his/her flags equal or surpass your own.", account);
1346 return CMD_ERROR;
1347 }
1348
1349 trojanscan_log(np, "deluser", account);
1350 trojanscan_database_escape_string(eaccount, account, strlen(account));
1351 trojanscan_database_query("DELETE FROM users WHERE authname = '%s'", eaccount);
1352 trojanscan_reply(np, "User deleted.");
1353
1354 return CMD_OK;
1355}
1356
1357int trojanscan_add_ll(struct trojanscan_prechannels **head, struct trojanscan_prechannels *newitem) {
1358 struct trojanscan_prechannels *position, *lastitem = NULL, *location = NULL;
1359 if (!*head) {
1360 *head = newitem;
1361 newitem->next = NULL;
1362 if (newitem->exempt) {
1363 return 0;
1364 } else {
1365 return 1;
1366 }
1367 }
1368 /* if its exempt, we don't give a monkeys where it is... */
1369 if (newitem->exempt) {
1370 newitem->next = *head;
1371 *head = newitem;
1372 return 0;
1373 }
1374
1375 for(position=*head;position;lastitem=position,position=position->next) {
1376 if (!ircd_strcmp(position->name->content, newitem->name->content)) {
1377 free(newitem);
1378 return 0;
1379 }
1380 if (!location && (position->size < newitem->size)) {
1381 if (!lastitem) {
1382 location = *head;
1383 } else {
1384 location = lastitem;
1385 }
1386 }
1387 }
1388 if (!location) {
1389 newitem->next = NULL;
1390 lastitem->next = newitem;
1391 } else {
1392 newitem->next = location->next;
1393 location->next = newitem;
1394 }
1395 if(newitem->exempt) {
1396 return 0;
1397 } else {
1398 return 1;
1399 }
1400}
1401
1402void trojanscan_watch_clone_update(struct trojanscan_prechannels *hp, int count) {
378cf1b9 1403 int i, j, marked;
c86edd1d 1404 struct trojanscan_prechannels *lp;
1fbb1306 1405 struct trojanscan_templist *markedlist = NULL;
378cf1b9 1406
c86edd1d 1407 if(count > 0) {
378cf1b9 1408 markedlist = (struct trojanscan_templist *)calloc(count, sizeof(struct trojanscan_templist));
c86edd1d
Q		 1409 if (!markedlist)
1410 return;
1411 }
1412
1413 for(i=0;i<trojanscan_activechans;i++) {
1414 marked = 0;
1fbb1306
CP		 1415 if(markedlist) {
1416 for(lp=hp,j=0;j<count&&lp;j++,lp=lp->next) {
1417 if(!markedlist[j].active && !lp->exempt && !ircd_strcmp(lp->name->content, trojanscan_chans[i].channel->content)) { /* we're already on the channel */
1418 if(trojanscan_chans[i].watch_clone) {
1419 markedlist[j].active = 1;
1420 markedlist[j].watch_clone = trojanscan_chans[i].watch_clone;
1421 lp->watch_clone = trojanscan_chans[i].watch_clone;
1422 }
1423 marked = 1;
1424 break;
378cf1b9 1425 }
c86edd1d
Q		 1426 }
1427 }
378cf1b9
CP		 1428 if(!marked && trojanscan_chans[i].watch_clone) {
1429 channel *cp = findchannel(trojanscan_chans[i].channel->content);
1430 if(cp)
334b567e 1431 localpartchannel(trojanscan_chans[i].watch_clone->clone, cp, NULL);
c86edd1d
Q		 1432 }
1433 }
1434
1fbb1306
CP		 1435 if(!markedlist)
1436 return;
1437
c86edd1d 1438 for(j=0,lp=hp;j<count&&lp;j++,lp=lp->next) {
378cf1b9
CP		 1439 if((!markedlist[j].active || !markedlist[j].watch_clone) && !lp->exempt) {
1440 channel *cp = findchannel(lp->name->content);
1441 if(cp) {
1442 int attempts = 10;
1443 do {
1444 lp->watch_clone = trojanscan_selectclone(TROJANSCAN_WATCH_CLONES);
1445 if(!lp->watch_clone)
1446 break;
2e9a528b 1447 if(!trojanscan_nickbanned(lp->watch_clone, cp)) {
1fe41720
CP		 1448 if(localjoinchannel(lp->watch_clone->clone, cp))
1449 lp->watch_clone = NULL;
378cf1b9
CP		 1450 break;
1451 }
1452 } while(--attempts > 0);
1453 if(!attempts)
1454 lp->watch_clone = NULL;
1455
1456 }
c86edd1d 1457 }
c86edd1d
Q		 1458 }
1459
1460 free(markedlist);
1461}
1462
1463void trojanscan_fill_channels(void *arg) {
1464 struct trojanscan_prechannels *head = NULL, *lp, *last = NULL;
1465 int i, count, tempctime = 0;
1466
1467 chanindex *chn;
1468
1469 for (count=i=0;i<trojanscan_database.total_channels;i++) {
1470 lp = (trojanscan_prechannels *)malloc(sizeof(trojanscan_prechannels));
1471 lp->name = trojanscan_database.channels[i].name;
1472 lp->size = 65535;
1473 lp->exempt = trojanscan_database.channels[i].exempt;
378cf1b9 1474 lp->watch_clone = NULL;
c86edd1d
Q		 1475 if (trojanscan_add_ll(&head, lp))
1476 count++;
1477 }
1478
1479 for (i=0;i<CHANNELHASHSIZE;i++) {
1480 for(chn=chantable[i];chn;chn=chn->next) {
0d182ada 1481 if (chn->channel && !IsKey(chn->channel) && !IsInviteOnly(chn->channel) && !IsRegOnly(chn->channel) && (chn->channel->users->totalusers >= trojanscan_minchansize)) {
c86edd1d
Q		 1482 lp = (trojanscan_prechannels *)malloc(sizeof(trojanscan_prechannels));
1483 lp->name = chn->name;
1484 lp->size = chn->channel->users->totalusers;
1485 lp->exempt = 0;
378cf1b9 1486 lp->watch_clone = NULL;
c86edd1d
Q		 1487 if (trojanscan_add_ll(&head, lp))
1488 count++;
1489 }
1490 }
1491 }
1492
1493 count = TROJANSCAN_MMIN(count, trojanscan_maxchans);
1494
378cf1b9 1495 trojanscan_watch_clone_update(head, count);
c86edd1d
Q		 1496
1497 trojanscan_free_channels();
378cf1b9 1498 trojanscan_chans = (struct trojanscan_inchannel *)calloc(count, sizeof(struct trojanscan_inchannel));
c86edd1d
Q		 1499 trojanscan_activechans = count;
1500 i = 0;
378cf1b9 1501
c86edd1d 1502 for(lp=head;lp;last=lp,lp=lp->next) {
378cf1b9
CP		 1503 if (!(lp->exempt) && (i < count)) {
1504 trojanscan_chans[i].channel = getsstring(lp->name->content, lp->name->length);
1505 trojanscan_chans[i++].watch_clone = lp->watch_clone;
1506 }
c86edd1d
Q		 1507 if (last)
1508 free(last);
1509 }
1510
1511 if (last)
1512 free(last);
1513
1514 if (trojanscan_activechans > 0) {
1515 tempctime = trojanscan_cycletime / trojanscan_activechans;
1516 } else {
1517 tempctime = 60;
1518 trojanscan_mainchanmsg("d: just escaped a divide by zero error (no activechans!), rescheduling in 60 seconds");
1519 }
1520
1521 if(trojanscan_schedule)
1522 deleteschedule(trojanscan_schedule, &trojanscan_dojoin, NULL);
1523
1524 trojanscan_channumber = 0;
1525
1526 trojanscan_schedule = schedulerecurring(time(NULL) + tempctime, trojanscan_activechans + 1, tempctime, trojanscan_dojoin, NULL);
1527
1528}
1529
1530void trojanscan_dojoin(void *arg) {
1531 struct trojanscan_realchannels *rc;
1532 if (trojanscan_channumber >= trojanscan_activechans) {
1533 trojanscan_schedule = NULL;
1534 trojanscan_fill_channels(NULL);
1535 } else {
378cf1b9 1536 if ((rc = trojanscan_allocaterc(trojanscan_chans[trojanscan_channumber++].channel->content)))
c86edd1d
Q		 1537 trojanscan_join(rc);
1538 }
1539}
1540
1541
1542void trojanscan_dopart(void *arg) {
1543 struct trojanscan_realchannels *rc = (struct trojanscan_realchannels *)arg, *rp, *past = NULL;
1544
1545 if (rc->kickedout) { /* there's a join scheduled, wait for it (reschedule) */
1546 rc->schedule = scheduleoneshot(time(NULL)+5, &trojanscan_dopart, (void *)rc);
1547 return;
1548 }
1549
31f37482 1550 if (rc->clone->clone && (!(rc->donotpart)))
334b567e 1551 localpartchannel(rc->clone->clone, rc->chan, NULL);
31f37482 1552
c86edd1d
Q		 1553 rc->clone->sitting--;
1554
1555 for(rp=trojanscan_realchanlist;rp;rp=rp->next) {
1556 if (rp == rc) {
1557 if (!past) {
1558 trojanscan_realchanlist = rp->next;
1559 } else {
1560 past->next = rp->next;
1561 }
1562 free(rp);
1563 break;
1564 }
1565 past = rp;
1566 }
1567
1568}
1569
1570void trojanscan_donickchange(void *arg) { /* just incase I choose to make this schedule at some point */
1571 struct trojanscan_clones *clone = (trojanscan_clones *)arg;
1572 if (clone && clone->clone) {
1573 char c_nick[NICKLEN+1];
1574 int loops = 0;
1575 /* PPA: unlikely to be infinite */
1576 do {
1577 if ((loops++ < 10) && trojanscan_hostmode) {
1578 trojanscan_generatenick(c_nick, NICKLEN);
1579 } else {
1580 trojanscan_gennick(c_nick, trojanscan_minmaxrand(7, TROJANSCAN_MMIN(13, NICKLEN)));
1581 }
b98ba21f 1582 } while (c_nick[0] && (getnickbynick(c_nick) != NULL));
c86edd1d
Q		 1583
1584 renamelocaluser(clone->clone, c_nick);
1585 }
1586
1587}
1588
1589int trojanscan_keysort(const void *v1, const void *v2) {
1590 return ((*(trojanscan_prechannels **)v2)->size - (*(trojanscan_prechannels **)v1)->size);
1591}
1592
1593int trojanscan_showcommands(void *sender, int cargc, char **cargv) {
1594 nick *np = (nick *)sender;
1595 Command *cmdlist[100];
1596 int i, n;
1597 char level = 0;
1598
1599 n = getcommandlist(trojanscan_cmds, cmdlist, 100);
1600
1601 trojanscan_reply(np, "The following commands are registered at present:");
1602
1603 for(i=0;i<n;i++) {
1604 if (cmdlist[i]->level & TROJANSCAN_ACL_STAFF) {
1605 level = 's';
1606 } else if (cmdlist[i]->level & TROJANSCAN_ACL_DEVELOPER) {
1607 level = 'd';
1608 } else if (cmdlist[i]->level & TROJANSCAN_ACL_TEAMLEADER) {
1609 level = 't';
1610 } else if (cmdlist[i]->level & TROJANSCAN_ACL_CAT) {
1611 level = 'c';
1612 } else if (cmdlist[i]->level & TROJANSCAN_ACL_WEBSITE) {
1613 level = 'w';
1614 } else if (cmdlist[i]->level & TROJANSCAN_ACL_UNAUTHED) {
1615 level = 0;
1616 }
1617 if (level) {
1618 trojanscan_reply(np, "%s (+%c)", cmdlist[i]->command->content, level);
1619 } else {
1620 trojanscan_reply(np, "%s", cmdlist[i]->command->content);
1621 }
1622 }
1623 trojanscan_reply(np, "End of list.");
1624 return CMD_OK;
1625}
1626
1627void trojanscan_handlemessages(nick *target, int messagetype, void **args) {
1628 Command *cmd;
1629 char *cargv[50];
1630 int cargc, templevel;
1631 nick *sender;
1632 union trojanscan_userlevel level;
1633
1634 switch(messagetype) {
1635 case LU_PRIVMSG:
1636 case LU_SECUREMSG:
1637 /* If it's a message, first arg is nick and second is message */
1638 sender = (nick *)args[0];
1639
1640 if(strncmp(TROJANSCAN_VERSION_DETECT, args[1], sizeof(TROJANSCAN_VERSION_DETECT)-1)==0) {
1641 char p = ((char *)args[1])[sizeof(TROJANSCAN_VERSION_DETECT)-1];
1642 if((p == ' ') || (p == '\0') || (p == 1)) {
1643 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);
1644 return;
1645 }
1646 }
1647
1648 /* Split the line into params */
1649 cargc = splitline((char *)args[1], cargv, 50, 0);
b98ba21f 1650 if(cargc == 0 || !cargv[0])
99174f6c 1651 return;
c86edd1d
Q		 1652
1653 cmd=findcommandintree(trojanscan_cmds, cargv[0], 1);
1654 if (!cmd) {
1655 trojanscan_reply(sender, "Unknown command.");
1656 return;
1657 }
1658
1659 if ((cmd->level & TROJANSCAN_ACL_OPER) && !IsOper(sender)) {
1660 trojanscan_reply(sender, "You need to be opered to use this command.");
1661 return;
1662 }
1663
1664 /* bit grim code... */
1665
1666 if (!(cmd->level & TROJANSCAN_ACL_UNAUTHED)) {
1667 if (!IsAccount(sender)) {
1668 trojanscan_reply(sender, "You must be authed with the network to access this command!");
1669 return;
1670 }
1671 templevel = trojanscan_user_level_by_authname(sender->authname);
1672
1673 if (templevel == -1) {
1674 trojanscan_reply(sender, "You do not have an account.");
1675 return;
1676 }
1677
1678 level.number = templevel;
1679
1680 if ((cmd->level & TROJANSCAN_ACL_DEVELOPER) && !TrojanscanIsDeveloper(level)) {
1681 trojanscan_reply(sender, "Access denied.");
1682 return;
1683 }
1684 if ((cmd->level & TROJANSCAN_ACL_TEAMLEADER) && !TrojanscanIsLeastTeamLeader(level)) {
1685 trojanscan_reply(sender, "Access denied.");
1686 return;
1687 }
1688 if ((cmd->level & TROJANSCAN_ACL_STAFF) && !TrojanscanIsLeastStaff(level)) {
1689 trojanscan_reply(sender, "Access denied.");
1690 return;
1691 }
1692 if ((cmd->level & TROJANSCAN_ACL_CAT) && !TrojanscanIsCat(level)) {
1693 trojanscan_reply(sender, "Access denied.");
1694 return;
1695 }
1696 if ((cmd->level & TROJANSCAN_ACL_WEBSITE) && !TrojanscanIsLeastWebsite(level)) {
1697 trojanscan_reply(sender, "Access denied.");
1698 return;
1699 }
1700 }
1701
1702 /* Check the maxargs */
1703 if (cmd->maxparams<(cargc-1)) {
1704 /* We need to do some rejoining */
1705 rejoinline(cargv[cmd->maxparams], cargc-(cmd->maxparams));
1706 cargc = (cmd->maxparams) + 1;
1707 }
1708
1709 (cmd->handler)((void *)sender, cargc - 1, &(cargv[1]));
1710 break;
1711
1712 case LU_KILLED:
1713 /* someone killed me? Bastards */
1714 trojanscan_connect_schedule = scheduleoneshot(time(NULL) + 1, &trojanscan_connect, NULL);
1715 trojanscan_nick = NULL;
1716 break;
1717
1718 default:
1719 break;
1720 }
1721}
1722
a0c2b0da
CP		 1723static char trojanscan_getmtfromhooktype(int input) {
1724 switch(input) {
1725 case HOOK_CHANNEL_PART: return 'P';
1726 default: return '?';
1727 }
1728}
1729
c86edd1d
Q		 1730char trojanscan_getmtfrommessagetype(int input) {
1731 switch(input) {
1732 case LU_PRIVMSG: return 'm';
1733 case LU_PRIVNOTICE: return 'n';
1734 case LU_SECUREMSG: return 's';
1735 case LU_CHANMSG: return 'M';
1736 case LU_CHANNOTICE: return 'N';
1737 default: return '?';
1738 }
1739}
1740
a0c2b0da
CP		 1741static void trojanscan_process(nick *sender, channel *cp, char mt, char *pretext) {
1742 char text[513];
1743 unsigned int len;
1744 unsigned int i;
1745 struct trojanscan_worms *worm;
1746 int vector[30], detected = 0;
1747
1748 trojanscan_strip_codes(text, sizeof(text) - 1, pretext);
1749
1750 len = strlen(text);
1751
1752 for(i=0;i<trojanscan_database.total_phrases;i++) {
1753 if (
1754 (
1755 (worm = trojanscan_database.phrases[i].worm)
1756 ) &&
1757 (
1758 (
1759 (
1760 (mt == 'm') || (mt == 's') || (mt == 'n')
1761 ) &&
1762 (
1763 (trojanscan_database.phrases[i].worm->hitpriv)
1764 )
1765 ) ||
1766 (
1767 (
1768 (mt == 'M') || (mt == 'N') || (mt == 'P')
1769 ) &&
1770 (
1771 (trojanscan_database.phrases[i].worm->hitchans)
1772 )
1773 )
1774 ) &&
1775 (trojanscan_database.phrases[i].phrase)
1776 ) {
1777 int pre = pcre_exec(trojanscan_database.phrases[i].phrase, trojanscan_database.phrases[i].hint, text, len, 0, 0, vector, 30);
1778 if(pre >= 0) {
1779 char matchbuf[513];
1780 matchbuf[0] = 0;
1781 matchbuf[512] = 0; /* hmm */
1782
1783 if(pre > 1)
1784 if(pcre_copy_substring(text, vector, pre, 1, matchbuf, sizeof(matchbuf) - 1) <= 0)
1785 matchbuf[0] = 0;
1786
1787 trojanscan_phrasematch(cp, sender, &trojanscan_database.phrases[i], mt, matchbuf);
1788
1789 detected = 1;
1790 break;
1791 }
1792 }
1793 }
1794 if (!detected && (mt != 'N') && (mt != 'M')) {
1795 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];
1796 trojanscan_database_escape_string(etext, text, len);
1797 trojanscan_database_escape_string(enick, sender->nick, strlen(sender->nick));
1798 trojanscan_database_escape_string(eident, sender->ident, strlen(sender->ident));
1799 trojanscan_database_escape_string(ehost, sender->host->name->content, sender->host->name->length);
1800 trojanscan_database_query("INSERT INTO unknownlog (data, user) VALUES ('%s','%s!%s@%s')", etext, enick, eident, ehost);
1801 }
1802}
1803
c86edd1d 1804void trojanscan_clonehandlemessages(nick *target, int messagetype, void **args) {
a0c2b0da 1805 char *pretext = NULL;
c86edd1d
Q		 1806 nick *sender;
1807 struct trojanscan_realchannels *rp;
1808 struct trojanscan_rejoinlist *rj;
c86edd1d 1809 char mt = trojanscan_getmtfrommessagetype(messagetype);
378cf1b9 1810 char *channel_name;
a0c2b0da
CP		 1811 channel *cp = NULL;
1812 int i;
378cf1b9 1813
c86edd1d
Q		 1814 switch(messagetype) {
1815 case LU_PRIVMSG:
1816 case LU_SECUREMSG:
1817 case LU_PRIVNOTICE:
1818
1819 pretext = (char *)args[1];
1820
1821 case LU_CHANMSG:
1822 case LU_CHANNOTICE:
c86edd1d 1823 sender = (nick *)args[0];
a0c2b0da 1824
c86edd1d
Q		 1825 if (strlen(sender->nick) < 2)
1826 break;
1827
a0c2b0da 1828 if (!pretext) {
c86edd1d 1829 pretext = (char *)args[2];
a0c2b0da
CP		 1830 cp = args[1];
1831 }
c86edd1d
Q		 1832
1833 if(strncmp(TROJANSCAN_VERSION_DETECT, pretext, sizeof(TROJANSCAN_VERSION_DETECT)-1)==0) {
1834 char p = pretext[sizeof(TROJANSCAN_VERSION_DETECT)-1];
1835 if((p == ' ') || (p == '\0') || (p == 1)) {
1836 int staff = 0;
1837 if (IsOper(sender)) {
1838 staff = 1;
1839 } else {
1840 if (IsAccount(sender)) {
1841 int templevel = trojanscan_user_level_by_authname(sender->authname);
1842 if (templevel != -1) {
1843 union trojanscan_userlevel level;
1844 level.number = templevel;
1845 if (TrojanscanIsLeastStaff(level))
1846 staff = 1;
1847 }
1848 }
1849 }
1850 if (staff) {
1fe41720
CP		 1851 if(trojanscan_nick) {
1852 sendnoticetouser(target, sender, "\001VERSION T clone, check T for confirmation.\001");
1853 sendnoticetouser(trojanscan_nick, sender, "\001VERSION %s is part of my swarm.\001", target->nick);
1854 } else {
1855 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");
1856 }
c86edd1d 1857 } else {
8f619fe4 1858 sendnoticetouser(target, sender, "\001VERSION %s\001", versionreply);
c86edd1d
Q		 1859 }
1860
1861 return;
1862 }
1863 }
1864
a0c2b0da 1865 trojanscan_process(sender, cp, mt, pretext);
c86edd1d
Q		 1866 break;
1867 case LU_KILLED:
1868 /* someone killed me? Bastards */
378cf1b9 1869
c86edd1d 1870 /* PPA: we do NOT rejoin channels at this moment in time, it is possible to do this though */
378cf1b9 1871 for (i=0;i<TROJANSCAN_CLONE_TOTAL;i++) {
c86edd1d 1872 if (trojanscan_swarm[i].clone == target) {
c86edd1d 1873
c3db6f7e 1874 scheduleoneshot(time(NULL)+1, &trojanscan_generateclone, (void *)((long)i));
1fe41720 1875 if(i >= TROJANSCAN_CLONE_MAX) {
378cf1b9
CP		 1876 int j;
1877 for(j=0;j<trojanscan_activechans;j++)
1878 if(trojanscan_chans[j].watch_clone == &trojanscan_swarm[i])
1879 trojanscan_chans[j].watch_clone = NULL;
1880 } else {
1881 for(rp=trojanscan_realchanlist;rp;rp=rp->next)
1882 if ((rp->clone == &(trojanscan_swarm[i])))
1883 rp->donotpart = 1;
1884 }
1fbd040c 1885 derefnode(iptree, trojanscan_swarm[i].fakeipnode);
c86edd1d
Q		 1886 trojanscan_swarm[i].clone = NULL;
1887 trojanscan_swarm[i].remaining = 0; /* bah */
1888 break;
1889 }
1890 }
1891 break;
1892
1893 case LU_KICKED:
378cf1b9
CP		 1894 channel_name = ((channel *)args[1])->index->name->content;
1895 for (i=0;i<trojanscan_activechans;i++) {
1896 if (!trojanscan_chans[i].watch_clone)
1897 continue;
1898 if ((trojanscan_chans[i].watch_clone->clone == target) && (!strcmp(trojanscan_chans[i].channel->content, channel_name)))
1899 break;
1900 }
1901 if(i != trojanscan_activechans) {
1902 int j;
1903 for(j=0;j<TROJANSCAN_CLONE_TOTAL;j++) {
1904 if(&trojanscan_swarm[j] == trojanscan_chans[i].watch_clone) {
1905 trojanscan_chans[i].watch_clone = NULL;
c86edd1d
Q		 1906 break;
1907 }
c86edd1d 1908 }
378cf1b9
CP		 1909 } else {
1910 /*
1911 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)");
1912 */
1913 rj = (struct trojanscan_rejoinlist *)malloc(sizeof(struct trojanscan_rejoinlist));
1914 if (rj) {
1915 rj->rp = NULL;
1916 for(rp=trojanscan_realchanlist;rp;rp=rp->next)
1917 if ((rp->clone->clone == target) && (rp->chan == args[1])) {
1918 rp->kickedout++;
1919 rj->rp = rp;
1920 break;
1921 }
1922 if(!rj->rp) {
378cf1b9
CP		 1923 free(rj);
1924 return;
1925 }
c86edd1d 1926
378cf1b9
CP		 1927 rj->channel = getsstring(((channel *)args[1])->index->name->content, ((channel *)args[1])->index->name->length);
1928 if(!rj->channel) {
1929 trojanscan_mainchanmsg("d: unable to allocate memory for channel: %s upon rejoin", ((channel *)args[1])->index->name->content);
1930 free(rj);
1931 return;
1932 }
c86edd1d 1933
2e9a528b 1934 rj->clone = rp->clone;
378cf1b9
CP		 1935 rj->next = trojanscan_schedulerejoins;
1936 trojanscan_schedulerejoins = rj;
c86edd1d 1937
378cf1b9
CP		 1938 rj->schedule = scheduleoneshot(time(NULL)+1, &trojanscan_rejoin_channel, (void *)rj);
1939 }
1940 }
1941 break;
c86edd1d
Q		 1942 default:
1943 break;
1944 }
1945}
1946
a0c2b0da
CP		 1947static void trojanscan_part_watch(int hook, void *arg) {
1948 void **arglist = (void **)arg;
1949 channel *cp = (channel *)arglist[0];
1950 nick *np = arglist[1];
1951 char *reason = arglist[2];
1952
1953 if(!cp || !np || !reason || (*reason == '\0'))
1954 return;
1955
1956 trojanscan_process(np, cp, trojanscan_getmtfromhooktype(hook), reason);
1957}
1958
82c1a763
CP		 1959static int trojanscan_hostcount(nick *sender, int hostmode, char *mask, int masklen) {
1960 int usercount = 0, j;
1961 nick *np = NULL; /* sigh at warnings */
1962
1963 if(hostmode)
1964 for (j=0;j<NICKHASHSIZE;j++)
1965 for (np=nicktable[j];np;np=np->next)
1966 if (np->ipnode==sender->ipnode)
1967 usercount++;
1968
1969 if(usercount > TROJANSCAN_MAX_HOST_GLINE) {
1970 hostmode = 0;
1971 usercount = 0;
1972 }
1973
1974 if(!hostmode)
1975 for (j=0;j<NICKHASHSIZE;j++)
1976 for (np=nicktable[j];np;np=np->next)
1977 if (np->ipnode==sender->ipnode && !ircd_strcmp(np->ident, sender->ident))
1978 usercount++;
1979
1980 if(mask)
1981 snprintf(mask, masklen, "%s@%s", hostmode?"*":sender->ident, IPtostr(sender->p_ipaddr));
1982
1983 return usercount;
1984}
1985
cba071ec
CP		 1986void trojanscan_phrasematch(channel *chp, nick *sender, trojanscan_phrases *phrase, char messagetype, char *matchbuf) {
1987 char glinemask[HOSTLEN + USERLEN + NICKLEN + 4], enick[TROJANSCAN_QUERY_TEMP_BUF_SIZE], eident[TROJANSCAN_QUERY_TEMP_BUF_SIZE], ehost[TROJANSCAN_QUERY_TEMP_BUF_SIZE];
82c1a763
CP		 1988 unsigned int frequency;
1989 int glining = 0, usercount;
cba071ec
CP		 1990 struct trojanscan_worms *worm = phrase->worm;
1991
cba071ec
CP		 1992 trojanscan_database.detections++;
1993
54db53be 1994 usercount = 0;
cba071ec 1995 if (worm->monitor) {
cba071ec 1996 usercount = -1;
82c1a763
CP		 1997 } else if(worm->glinehost || worm->glineuser) {
1998 glining = 1;
1999
2000 usercount = trojanscan_hostcount(sender, worm->glinehost, glinemask, sizeof(glinemask));
cba071ec
CP		 2001 }
2002
2003 if (!usercount) {
2004 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);
2005 return;
2006 }
2007
2008 if (glining && (usercount > trojanscan_maxusers)) {
2009 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);
2010 return;
2011 }
2012
2013 if (glining && !worm->datalen) {
2014 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);
2015 return;
2016 }
2017
2018 trojanscan_database_escape_string(enick, sender->nick, strlen(sender->nick));
2019 trojanscan_database_escape_string(eident, sender->ident, strlen(sender->ident));
2020 trojanscan_database_escape_string(ehost, sender->host->name->content, sender->host->name->length);
2021
2022 frequency = 1;
2023
2024 if (!(trojanscan_database_query("SELECT COUNT(*) FROM hits WHERE glined = %d AND host = '%s'", glining, ehost))) {
2025 trojanscan_database_res *res;
2026 if ((res = trojanscan_database_store_result(&trojanscan_sql))) {
2027 trojanscan_database_row sqlrow;
2028 if ((trojanscan_database_num_rows(res) > 0) && (sqlrow = trojanscan_database_fetch_row(res)))
2029 frequency = atoi(sqlrow[0]) + 1;
2030 trojanscan_database_free_result(res);
2031 }
2032 }
2033
2034 if (!glining) {
a0c2b0da 2035 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:"");
cba071ec 2036#ifdef TROJANSCAN_PEONCHANNEL
a0c2b0da 2037 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:"");
cba071ec
CP		 2038#endif
2039 } else {
2040 int glinetime = TROJANSCAN_FIRST_OFFENSE * frequency * (worm->epidemic?TROJANSCAN_EPIDEMIC_MULTIPLIER:1);
2041 if(glinetime > 7 * 24)
2042 glinetime = 7 * 24; /* can't set glines over 7 days with normal non U:lined glines */
2043
2044 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);
2045 trojanscan_database.glines++;
2046
2047 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);
2048
a0c2b0da 2049 trojanscan_mainchanmsg("g: *!%s t: %c u: %s!%s@%s%s%s c: %d w: %s%s p: %d f: %d", 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);
cba071ec
CP		 2050 }
2051}
2052
c86edd1d
Q		 2053void trojanscan_rejoin_channel(void *arg) {
2054 struct trojanscan_rejoinlist *rj2, *lrj, *rj = (struct trojanscan_rejoinlist *)arg;
c86edd1d
Q		 2055
2056 channel *cp = findchannel(rj->channel->content);
2057 freesstring(rj->channel);
2058
2059 if (rj->rp) {
2060 rj->rp->kickedout--;
2061 if (!cp) {
2062 rj->rp->donotpart = 1; /* we were the last user on the channel, so we need to be VERY careful freeing it */
2063 } else {
2064 if(!rj->rp->donotpart && !rj->rp->kickedout) { /* check we're allowed to join channels (not killed), and we're the last one to join */
2e9a528b 2065 if (trojanscan_nickbanned(rj->clone, cp)) {
c86edd1d
Q		 2066 rj->rp->donotpart = 1;
2067 } else {
2e9a528b 2068 localjoinchannel(rj->clone->clone, cp);
c86edd1d
Q		 2069 }
2070 }
2071 }
2072 }
2073
2074 rj2 = trojanscan_schedulerejoins;
2075 lrj = NULL;
2076
2077 if (rj2 == rj) {
2078 trojanscan_schedulerejoins = rj->next;
2079 free(rj);
2080 } else {
2081 for(rj2=trojanscan_schedulerejoins;rj2;lrj=rj2,rj2=rj2->next) {
2082 if (rj2 == rj) {
2083 lrj->next = rj2->next;
2084 free(rj);
2085 break;
2086 }
2087 }
2088 }
2089
2090}
2091
2092void trojanscan_reply(nick *target, char *message, ... ) {
2093 char buf[513];
2094 va_list va;
2095
2096 if (!trojanscan_nick)
2097 return;
2098
2099 va_start(va, message);
2100 vsnprintf(buf, sizeof(buf) - 1, message, va);
2101 va_end(va);
2102
2103 sendnoticetouser(trojanscan_nick, target, "%s", buf);
2104}
2105
2106
2107void trojanscan_mainchanmsg(char *message, ...) {
2108 char buf[513];
2109 va_list va;
2110 channel *cp;
2111
2112 if (!trojanscan_nick)
2113 return;
2114 if (!(cp = findchannel(TROJANSCAN_CHANNEL)))
2115 return;
2116
2117 va_start(va, message);
2118 vsnprintf(buf, sizeof(buf) - 1, message, va);
2119 va_end(va);
2120
2121 sendmessagetochannel(trojanscan_nick, cp, "%s", buf);
2122}
2123
e3448309 2124#ifdef TROJANSCAN_PEONCHANNEL
e261c2c9
CP		 2125void trojanscan_peonchanmsg(char *message, ...) {
2126 char buf[513];
2127 va_list va;
2128 channel *cp;
2129
2130 if (!trojanscan_nick)
2131 return;
2132 if (!(cp = findchannel(TROJANSCAN_PEONCHANNEL)))
2133 return;
2134
2135 va_start(va, message);
2136 vsnprintf(buf, sizeof(buf) - 1, message, va);
2137 va_end(va);
2138
2139 sendmessagetochannel(trojanscan_nick, cp, "%s", buf);
2140}
e3448309 2141#endif
e261c2c9 2142
c86edd1d
Q		 2143int trojanscan_minmaxrand(float min, float max) {
2144 return (int)((max-min+1)*rand()/(RAND_MAX+min))+min;
2145}
2146
2147char *trojanscan_iptostr(char *buf, int buflen, unsigned int ip) {
2148 snprintf(buf, buflen, "%d.%d.%d.%d", ip >> 24, (ip >> 16) & 255, (ip >> 8) & 255, ip & 255);
2149 return buf;
2150}
2151
2152char trojanscan_genchar(int ty) {
2153 /* hostname and realname characters*/
2154 if (!ty) {
2155 if (!(trojanscan_minmaxrand(0, 40) % 10)) {
2156 return trojanscan_minmaxrand(48, 57);
2157 } else {
2158 return trojanscan_minmaxrand(97, 122);
2159 }
2160 /* ident characters - without numbers*/
2161 } else if (ty == 1) {
2162 return trojanscan_minmaxrand(97, 122);
2163 /* ident characters - with numbers*/
2164 } else if (ty == 2) {
2165 ty = trojanscan_minmaxrand(97, 125);
2166 if (ty > 122) return trojanscan_minmaxrand(48, 57);
2167 return ty;
2168 /* nick characters - with and without numbers*/
2169 } else if (ty == 3 || ty == 4) {
2170 if (!(trojanscan_minmaxrand(0, 59) % 16)) {
2171 char weirdos[6] = { '\\', '|', '[', '{', ']', '}' };
2172 return weirdos[trojanscan_minmaxrand(0, 5)];
2173 }
2174 if (ty == 4) {
2175 ty = trojanscan_minmaxrand(65, 93);
2176 if (ty > 90) return trojanscan_minmaxrand(48, 57);
2177 } else {
2178 ty = trojanscan_minmaxrand(65, 90);
2179 }
2180 if (!(trojanscan_minmaxrand(0, 40) % 8)) return ty;
2181 return ty + 32;
2182 /* moron check */
2183 } else {
2184 return ' ';
2185 }
2186}
2187
2188void trojanscan_gennick(char *ptc, char size) {
2189 int i;
2190 for (i=0;i<size;i++) {
2191 if (i == 0) {
2192 ptc[i] = trojanscan_genchar(3);
2193 } else {
2194 ptc[i] = trojanscan_genchar(4);
2195 }
2196 }
2197 ptc[i] = '\0';
2198}
2199
2200void trojanscan_genident(char *ptc, char size) {
2201 int i;
2202 for (i=0;i<size;i++) {
2203 if (i == 0) {
2204 ptc[i] = trojanscan_genchar(1);
2205 } else {
2206 ptc[i] = trojanscan_genchar(2);
2207 }
2208 }
2209 ptc[i] = '\0';
2210}
2211
21ec3379 2212void trojanscan_genhost(char *ptc, char size, patricia_node_t **fakeipnode) {
c86edd1d 2213 int dots = trojanscan_minmaxrand(2, 5), i, dotexist = 0, cur;
21ec3379
P		 2214 struct irc_in_addr ipaddress;
2215
c86edd1d
Q		 2216 while (!dotexist) {
2217 for (i=0;i<size;i++) {
2218 ptc[i] = trojanscan_genchar(0);
2219 if ((i > 5) && (i < (size-4))) {
2220 if ((ptc[i-1] != '.') && (ptc[i-1] != '-')) {
2221 cur = trojanscan_minmaxrand(1,size / dots);
2222 if (cur < 3) {
2223 if (cur == 1) {
2224 ptc[i] = '.';
2225 dotexist = 1;
2226 } else {
2227 ptc[i] = '-';
2228 }
2229 }
2230 }
2231 }
2232 }
2233 }
2234 ptc[i] = '\0';
2e9a528b 2235
21ec3379 2236 memset(&ipaddress, 0, sizeof(ipaddress));
c426783d 2237 ((unsigned short *)(ipaddress.in6_16))[5] = 65535;
21ec3379
P		 2238 ((unsigned short *)(ipaddress.in6_16))[6] = trojanscan_minmaxrand(0, 65535);
2239 ((unsigned short *)(ipaddress.in6_16))[7] = trojanscan_minmaxrand(0, 65535);
2240
2241 *fakeipnode = refnode(iptree, &ipaddress, PATRICIA_MAXBITS);
c86edd1d
Q		 2242}
2243
2244void trojanscan_genreal(char *ptc, char size) {
2245 int spaces = trojanscan_minmaxrand(2, 4), i;
2246 for (i=0;i<size;i++) {
2247 ptc[i] = trojanscan_genchar(0);
2248 if ((i > 5) && (i < (size-4))) {
2249 if (ptc[i-1] != ' ') {
2250 if (trojanscan_minmaxrand(1,size / spaces) == 1) ptc[i] = ' ';
2251 }
2252 }
2253 }
2254 ptc[i] = '\0';
2255}
2256
2257int trojanscan_is_not_octet(char *begin, int length) {
2258 int i;
2259 if(length > 3)
2260 return 0;
2261 for(i=0;i<length;i++) {
2262 if (!((*begin >= '0') && (*begin <= '9')))
2263 return 0;
2264 begin++;
2265 }
2266 return 1;
2267}
2268
2269int trojanscan_generatepool(void) {
2270 int i, k = 0, j = 0, loops = 0;
2271 char *p, *pp;
2272 nick *np;
2273
2274 for (i=0;i<NICKHASHSIZE;i++)
2275 for (np=nicktable[i];np;np=np->next)
2276 j++;
2277
36efd3fc 2278 if(j < trojanscan_min_hosts)
c86edd1d 2279 return 0;
378cf1b9
CP		 2280
2281 if(TROJANSCAN_HOST_MODE == TROJANSCAN_STEAL_HOST)
2282 return TROJANSCAN_MINPOOLSIZE;
c86edd1d
Q		 2283
2284 i = 0;
2285 do {
2286 for (j=trojanscan_minmaxrand(0, NICKHASHSIZE-1);j<NICKHASHSIZE;j++) {
2287 if (nicktable[j]) {
2288 for(p=nicktable[j]->host->name->content, pp=p;*p;) {
2289 if (*++p == '.') {
2290 if (!trojanscan_is_not_octet(pp, p-pp)) {
2291 if (i < TROJANSCAN_POOLSIZE) {
2292 if (i < trojanscan_hostpoolsize)
2293 freesstring(trojanscan_hostpool[i]);
2294 trojanscan_hostpool[i] = getsstring(pp, p-pp);
2295 i++;
2296 } else {
2297 if (k >= TROJANSCAN_POOLSIZE)
2298 break;
2299 }
2300 }
2301 pp=++p;
2302 }
2303 }
2304 if (!trojanscan_is_not_octet(pp, p-pp)) {
2305 if (k < TROJANSCAN_POOLSIZE) {
2306 if (k < trojanscan_tailpoolsize)
2307 freesstring(trojanscan_tailpool[k]);
2308 trojanscan_tailpool[k] = getsstring(pp, p-pp);
2309 k++;
2310 } else {
2311 if (i >= TROJANSCAN_POOLSIZE)
2312 break;
2313 }
2314 }
2315 }
2316 }
2317 loops++;
2318 } while ((loops < 5) && ((i < TROJANSCAN_POOLSIZE) || (k < TROJANSCAN_POOLSIZE)));
2319
2320 trojanscan_hostpoolsize = i;
2321 trojanscan_tailpoolsize = k;
2322 return i;
2323}
2324
c8fdcfa5 2325nick *trojanscan_selectuser(void) {
56099b38 2326 int target = trojanscan_minmaxrand(0, 500), loops = 150, j;
c8fdcfa5
CP		 2327 nick *np;
2328 do {
2329 for (j=trojanscan_minmaxrand(0, NICKHASHSIZE-1);j<NICKHASHSIZE;j++)
2330 for(np=nicktable[j];np;np=np->next)
2331 if (!--target)
2332 return np;
2333 } while(--loops > 0);
2334 return NULL;
2335}
2336
707e6470
CP		 2337host *trojanscan_selecthost(void) {
2338 int target = trojanscan_minmaxrand(0, 500), loops = 150, j;
2339 host *hp;
2340 do {
2341 for (j=trojanscan_minmaxrand(0, HOSTHASHSIZE-1);j<HOSTHASHSIZE;j++)
2342 for(hp=hosttable[j];hp;hp=hp->next)
2343 if (!--target)
2344 return hp;
2345 } while(--loops > 0);
2346
2347 return NULL;
2348}
2349
21ec3379
P		 2350void trojanscan_generatehost(char *buf, int maxsize, patricia_node_t **fakeip) {
2351 struct irc_in_addr ipaddress;
2352
378cf1b9 2353 if(TROJANSCAN_HOST_MODE == TROJANSCAN_STEAL_HOST) {
707e6470 2354 host *hp;
c8fdcfa5 2355 int loops = 20;
2e9a528b 2356
c8fdcfa5 2357 buf[0] = '\0';
2e9a528b 2358
378cf1b9 2359 do {
707e6470
CP		 2360 hp = trojanscan_selecthost();
2361 if(hp && (hp->clonecount <= TROJANSCAN_MAX_CLONE_COUNT) && !trojanscan_isip(hp->name->content)) {
2362 strlcpy(buf, hp->name->content, maxsize + 1);
2363 if(hp->nicks) {
21ec3379
P		 2364 *fakeip = hp->nicks->ipnode;
2365 patricia_ref_prefix(hp->nicks->ipnode->prefix);
707e6470 2366 } else {
21ec3379 2367 memset(&ipaddress, 0, sizeof(ipaddress));
c426783d 2368 ((unsigned short *)(ipaddress.in6_16))[5] = 65535;
21ec3379
P		 2369 ((unsigned short *)(ipaddress.in6_16))[6] = trojanscan_minmaxrand(0, 65535);
2370 ((unsigned short *)(ipaddress.in6_16))[7] = trojanscan_minmaxrand(0, 65535);
2371
2372 *fakeip = refnode(iptree, &ipaddress, PATRICIA_MAXBITS);
707e6470 2373 }
c8fdcfa5 2374 break;
378cf1b9 2375 }
c8fdcfa5 2376 } while(--loops > 0);
378cf1b9
CP		 2377 } else {
2378 char *cpos;
2379 int pieces = trojanscan_minmaxrand(2, 4), totallen = 0, a = 0, i;
2380 int *choices = malloc(sizeof(int) * (pieces + 1));
2381 int *lengths = malloc(sizeof(int) * (pieces + 1));
2382
2383 choices[pieces] = trojanscan_minmaxrand(0, trojanscan_tailpoolsize-1);
2384 lengths[pieces] = strlen(trojanscan_tailpool[choices[pieces]]->content) + 1;
2385 totallen += lengths[pieces];
2386
2387 for (i=0;i<pieces;i++) {
2388 choices[i] = trojanscan_minmaxrand(0, trojanscan_hostpoolsize-1);
2389 lengths[i] = strlen(trojanscan_hostpool[choices[i]]->content) + 1;
2390 if (totallen+lengths[i] > maxsize) {
2391 choices[i] = choices[pieces];
2392 lengths[i] = lengths[pieces];
2393 pieces-=(pieces-i);
2394 break;
2395 }
2396 totallen += lengths[i];
2397 }
2398
2399 for (i=0;i<pieces;i++) {
2400 for (cpos=trojanscan_hostpool[choices[i]]->content; *cpos;)
2401 buf[a++] = *cpos++;
2402 buf[a++] = '.';
c86edd1d 2403 }
c86edd1d 2404
378cf1b9 2405 for (cpos=trojanscan_tailpool[choices[i]]->content; *cpos;) {
c86edd1d 2406 buf[a++] = *cpos++;
378cf1b9 2407 }
c86edd1d 2408
378cf1b9
CP		 2409 buf[a] = '\0';
2410 free(choices);
2411 free(lengths);
2e9a528b 2412
21ec3379 2413 memset(&ipaddress, 0, sizeof(ipaddress));
c426783d 2414 ((unsigned short *)(ipaddress.in6_16))[5] = 65535;
21ec3379
P		 2415 ((unsigned short *)(ipaddress.in6_16))[6] = trojanscan_minmaxrand(0, 65535);
2416 ((unsigned short *)(ipaddress.in6_16))[7] = trojanscan_minmaxrand(0, 65535);
2417
2418 *fakeip = refnode(iptree, &ipaddress, PATRICIA_MAXBITS);
c86edd1d 2419 }
c86edd1d
Q		 2420}
2421
2422void trojanscan_generatenick(char *buf, int maxsize) {
56099b38 2423 int bits = trojanscan_minmaxrand(2, 3), loops = 0, wanttocopy, len = 0, i, d = 0, newmaxsize = maxsize - trojanscan_minmaxrand(0, 7);
c8fdcfa5 2424 nick *np;
56099b38
CP		 2425
2426 if(newmaxsize > 2)
2427 maxsize = newmaxsize;
2428
c86edd1d 2429 do {
c8fdcfa5
CP		 2430 np = trojanscan_selectuser();
2431 if(np) {
56099b38 2432 wanttocopy = trojanscan_minmaxrand(1, (strlen(np->nick) / 2) + 3);
c8fdcfa5
CP		 2433 for(i=0;((i<wanttocopy) && (len<maxsize));i++)
2434 buf[len++] = np->nick[i];
2435 if(++d > bits) {
2436 buf[len] = '\0';
2437 return;
c86edd1d
Q		 2438 }
2439 }
c8fdcfa5 2440 } while (++loops < 10);
c86edd1d
Q		 2441 buf[0] = '\0';
2442}
2443
2444void trojanscan_generateident(char *buf, int maxsize) {
c8fdcfa5 2445 nick *np = trojanscan_selectuser();
c86edd1d 2446 buf[0] = '\0';
c8fdcfa5 2447 if(np)
707e6470 2448 strlcpy(buf, np->ident, maxsize + 1);
c86edd1d
Q		 2449}
2450
2451void trojanscan_generaterealname(char *buf, int maxsize) {
c8fdcfa5 2452 nick *np = trojanscan_selectuser();
c86edd1d 2453 buf[0] = '\0';
c8fdcfa5 2454 if(np)
707e6470 2455 strlcpy(buf, np->realname->name->content, maxsize + 1);
c86edd1d
Q		 2456}
2457
2458void trojanscan_database_close(void) {
2459 mysql_close(&trojanscan_sql);
2460}
2461
2462int trojanscan_database_connect(char *dbhost, char *dbuser, char *dbpass, char *db, unsigned int port) {
2463 mysql_init(&trojanscan_sql);
2464 if (!mysql_real_connect(&trojanscan_sql, dbhost, dbuser, dbpass, db, port, NULL, 0))
2465 return -1;
2466 return 0;
2467}
2468
2469void trojanscan_database_escape_string(char *dest, char *source, size_t length) {
2470 mysql_escape_string(dest, source, length);
2471}
2472
2473int trojanscan_database_query(char *format, ...) {
2474 char trojanscan_sqlquery[TROJANSCAN_QUERY_BUF_SIZE];
2475 va_list va;
2476
2477 va_start(va, format);
2478 vsnprintf(trojanscan_sqlquery, sizeof(trojanscan_sqlquery) - 1, format, va);
2479 va_end(va);
2480 return mysql_query(&trojanscan_sql, trojanscan_sqlquery);
2481}
2482
2483int trojanscan_database_num_rows(trojanscan_database_res *res) {
2484 return mysql_num_rows(res);
2485}
2486
2487trojanscan_database_res *trojanscan_database_store_result() {
2488 return mysql_store_result(&trojanscan_sql);
2489}
2490
2491trojanscan_database_row trojanscan_database_fetch_row(trojanscan_database_res *res) {
2492 return mysql_fetch_row(res);
2493}
2494
2495void trojanscan_database_free_result(trojanscan_database_res *res) {
2496 mysql_free_result(res);
2497}
2498
9bbffb1f
CP		 2499int trojanscan_isip(char *host) {
2500 char *p = host, components = 0, length = 0;
2501
2502 for(;*p;p++) {
2503 if(*p == '.') {
2504 if(((!length) || (length = 0)) || (++components > 3))
2505 return 0;
2506 } else {
2507 if ((++length > 3) || !isdigit(*p))
2508 return 0;
2509 }
2510 }
2511 return components == 3;
2512}
2513
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