]>
Commit | Line | Data |
---|---|---|
1 | /* | |
2 | * Trojanscan version 2 | |
3 | * | |
4 | * Trojanscan copyright (C) Chris Porter 2002-2009 | |
5 | * Newserv bits copyright (C) David Mansell 2002-2003 | |
6 | * | |
7 | * TODO: CHECK:: | |
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) | |
12 | */ | |
13 | ||
14 | #include "trojanscan.h" | |
15 | #include "../lib/strlfunc.h" | |
16 | #include "../lib/version.h" | |
17 | #include "../core/nsmalloc.h" | |
18 | #include "../glines/glines.h" | |
19 | #include <stdint.h> | |
20 | ||
21 | #define tmalloc(x) nsmalloc(POOL_TROJANSCAN, x) | |
22 | #define tfree(x) nsfree(POOL_TROJANSCAN, x) | |
23 | ||
24 | MODULE_VERSION(TROJANSCAN_VERSION); | |
25 | ||
26 | void trojanscan_phrasematch(channel *chp, nick *sender, trojanscan_phrases *phrase, char messagetype, char *matchbuf); | |
27 | char *trojanscan_sanitise(char *input); | |
28 | void trojanscan_refresh_settings(void); | |
29 | static void trojanscan_part_watch(int hook, void *arg); | |
30 | static void trojanscan_connect_nick(void *); | |
31 | ||
32 | #define TROJANSCAN_SETTING_SIZE 256 | |
33 | #define TROJANSCAN_MAX_SETTINGS 50 | |
34 | ||
35 | static struct { | |
36 | char setting[TROJANSCAN_SETTING_SIZE]; | |
37 | char value[TROJANSCAN_SETTING_SIZE]; | |
38 | } trojanscan_settings[TROJANSCAN_MAX_SETTINGS]; | |
39 | ||
40 | static int settingcount = 0; | |
41 | static char *versionreply; | |
42 | static int hooksregistered = 0; | |
43 | static void *trojanscan_connect_nick_schedule; | |
44 | ||
45 | static void *db_ping_schedule; | |
46 | ||
47 | void _init() { | |
48 | trojanscan_cmds = newcommandtree(); | |
49 | ||
50 | addcommandtotree(trojanscan_cmds, "showcommands", TROJANSCAN_ACL_UNAUTHED, 0, &trojanscan_showcommands); | |
51 | addcommandtotree(trojanscan_cmds, "help", TROJANSCAN_ACL_UNAUTHED, 1, &trojanscan_help); | |
52 | addcommandtotree(trojanscan_cmds, "hello", TROJANSCAN_ACL_UNAUTHED | TROJANSCAN_ACL_OPER, 1, &trojanscan_hello); | |
53 | ||
54 | addcommandtotree(trojanscan_cmds, "join", TROJANSCAN_ACL_STAFF, 1, &trojanscan_userjoin); | |
55 | addcommandtotree(trojanscan_cmds, "chanlist", TROJANSCAN_ACL_STAFF, 0, &trojanscan_chanlist); | |
56 | addcommandtotree(trojanscan_cmds, "whois", TROJANSCAN_ACL_STAFF, 1, &trojanscan_whois); | |
57 | ||
58 | addcommandtotree(trojanscan_cmds, "changelev", TROJANSCAN_ACL_STAFF | TROJANSCAN_ACL_OPER, 2, &trojanscan_changelev); | |
59 | addcommandtotree(trojanscan_cmds, "deluser", TROJANSCAN_ACL_TEAMLEADER | TROJANSCAN_ACL_OPER, 2, &trojanscan_deluser); | |
60 | addcommandtotree(trojanscan_cmds, "mew", TROJANSCAN_ACL_STAFF, 2, &trojanscan_mew); | |
61 | addcommandtotree(trojanscan_cmds, "status", TROJANSCAN_ACL_STAFF | TROJANSCAN_ACL_OPER, 0, &trojanscan_status); | |
62 | addcommandtotree(trojanscan_cmds, "listusers", TROJANSCAN_ACL_TEAMLEADER, 0, &trojanscan_listusers); | |
63 | ||
64 | addcommandtotree(trojanscan_cmds, "rehash", TROJANSCAN_ACL_WEBSITE, 0, &trojanscan_rehash); | |
65 | ||
66 | addcommandtotree(trojanscan_cmds, "cat", TROJANSCAN_ACL_OPER, 1, &trojanscan_cat); | |
67 | ||
68 | addcommandtotree(trojanscan_cmds, "reschedule", TROJANSCAN_ACL_DEVELOPER | TROJANSCAN_ACL_OPER, 0, &trojanscan_reschedule); | |
69 | ||
70 | srand((int)time(NULL)); | |
71 | ||
72 | trojanscan_connect_schedule = scheduleoneshot(time(NULL) + 1, &trojanscan_connect, NULL); | |
73 | } | |
74 | ||
75 | void _fini(void) { | |
76 | int i; | |
77 | struct trojanscan_realchannels *rp = trojanscan_realchanlist, *oldrp; | |
78 | struct trojanscan_rejoinlist *rj = trojanscan_schedulerejoins, *oldrj; | |
79 | ||
80 | if (trojanscan_nick) | |
81 | deregisterlocaluser(trojanscan_nick, NULL); | |
82 | ||
83 | if (trojanscan_connect_schedule) | |
84 | deleteschedule(trojanscan_connect_schedule, &trojanscan_connect, NULL); | |
85 | ||
86 | if (trojanscan_connect_nick_schedule) | |
87 | deleteschedule(trojanscan_connect_nick_schedule, &trojanscan_connect_nick, NULL); | |
88 | ||
89 | if(trojanscan_schedule) | |
90 | deleteschedule(trojanscan_schedule, &trojanscan_dojoin, NULL); | |
91 | ||
92 | if(trojanscan_poolschedule) | |
93 | deleteschedule(trojanscan_poolschedule, &trojanscan_repool, NULL); | |
94 | ||
95 | if(trojanscan_cloneschedule) | |
96 | deleteschedule(trojanscan_poolschedule, &trojanscan_registerclones, NULL); | |
97 | ||
98 | if(hooksregistered) | |
99 | deregisterhook(HOOK_CHANNEL_PART, trojanscan_part_watch); | |
100 | ||
101 | while(rp) { | |
102 | deleteschedule(rp->schedule, &trojanscan_dopart, (void *)rp); | |
103 | oldrp = rp; | |
104 | rp = rp->next; | |
105 | tfree(oldrp); | |
106 | } | |
107 | ||
108 | while(rj) { | |
109 | deleteschedule(rj->schedule, &trojanscan_rejoin_channel, (void *)rj); | |
110 | freesstring(rj->channel); | |
111 | oldrj = rj; | |
112 | rj = rj->next; | |
113 | tfree(oldrj); | |
114 | } | |
115 | ||
116 | if(trojanscan_initialschedule) | |
117 | deleteschedule(trojanscan_initialschedule, &trojanscan_fill_channels, NULL); | |
118 | ||
119 | deleteschedule(trojanscan_rehashschedule, &trojanscan_rehash_schedule, NULL); | |
120 | ||
121 | for (i=0;i<TROJANSCAN_CLONE_TOTAL;i++) | |
122 | if(trojanscan_swarm[i].clone) { | |
123 | deregisterlocaluser(trojanscan_swarm[i].clone, NULL); | |
124 | derefnode(iptree, trojanscan_swarm[i].fakeipnode); | |
125 | trojanscan_swarm[i].clone = NULL; | |
126 | } | |
127 | trojanscan_free_database(); | |
128 | trojanscan_free_channels(); | |
129 | ||
130 | for (i=0;i<trojanscan_hostpoolsize;i++) | |
131 | freesstring(trojanscan_hostpool[i]); | |
132 | ||
133 | for (i=0;i<trojanscan_tailpoolsize;i++) | |
134 | freesstring(trojanscan_tailpool[i]); | |
135 | ||
136 | trojanscan_database_close(); | |
137 | ||
138 | deletecommandfromtree(trojanscan_cmds, "showcommands", &trojanscan_showcommands); | |
139 | deletecommandfromtree(trojanscan_cmds, "help", &trojanscan_help); | |
140 | deletecommandfromtree(trojanscan_cmds, "hello", &trojanscan_hello); | |
141 | deletecommandfromtree(trojanscan_cmds, "join", &trojanscan_userjoin); | |
142 | deletecommandfromtree(trojanscan_cmds, "chanlist", &trojanscan_chanlist); | |
143 | deletecommandfromtree(trojanscan_cmds, "whois", &trojanscan_whois); | |
144 | deletecommandfromtree(trojanscan_cmds, "changelev", &trojanscan_changelev); | |
145 | deletecommandfromtree(trojanscan_cmds, "deluser", &trojanscan_deluser); | |
146 | deletecommandfromtree(trojanscan_cmds, "mew", &trojanscan_mew); | |
147 | deletecommandfromtree(trojanscan_cmds, "status", &trojanscan_status); | |
148 | deletecommandfromtree(trojanscan_cmds, "listusers", &trojanscan_listusers); | |
149 | deletecommandfromtree(trojanscan_cmds, "rehash", &trojanscan_rehash); | |
150 | deletecommandfromtree(trojanscan_cmds, "cat", &trojanscan_cat); | |
151 | deletecommandfromtree(trojanscan_cmds, "reschedule", &trojanscan_reschedule); | |
152 | ||
153 | destroycommandtree(trojanscan_cmds); | |
154 | nscheckfreeall(POOL_TROJANSCAN); | |
155 | } | |
156 | ||
157 | static void trojanscan_connect_nick(void *arg) { | |
158 | sstring *mnick, *myident, *myhost, *myrealname, *myauthname; | |
159 | channel *cp; | |
160 | ||
161 | mnick = getcopyconfigitem("trojanscan", "nick", "T", NICKLEN); | |
162 | myident = getcopyconfigitem("trojanscan", "ident", "trojanscan", NICKLEN); | |
163 | myhost = getcopyconfigitem("trojanscan", "hostname", "trojanscan.quakenet.org", HOSTLEN); | |
164 | myrealname = getcopyconfigitem("trojanscan", "realname", "Trojanscan v" TROJANSCAN_VERSION, REALLEN); | |
165 | myauthname = getcopyconfigitem("trojanscan", "authname", "T", ACCOUNTLEN); | |
166 | ||
167 | trojanscan_nick = registerlocaluser(mnick->content, myident->content, myhost->content, myrealname->content, myauthname->content, UMODE_SERVICE | UMODE_DEAF | | |
168 | UMODE_OPER | UMODE_INV | | |
169 | UMODE_ACCOUNT, | |
170 | &trojanscan_handlemessages); | |
171 | freesstring(mnick); | |
172 | freesstring(myident); | |
173 | freesstring(myhost); | |
174 | freesstring(myrealname); | |
175 | freesstring(myauthname); | |
176 | ||
177 | cp = findchannel(TROJANSCAN_OPERCHANNEL); | |
178 | if (!cp) { | |
179 | localcreatechannel(trojanscan_nick, TROJANSCAN_OPERCHANNEL); | |
180 | } else { | |
181 | if(!localjoinchannel(trojanscan_nick, cp)) | |
182 | localgetops(trojanscan_nick, cp); | |
183 | } | |
184 | ||
185 | cp = findchannel(TROJANSCAN_CHANNEL); | |
186 | if (!cp) { | |
187 | localcreatechannel(trojanscan_nick, TROJANSCAN_CHANNEL); | |
188 | } else { | |
189 | if(!localjoinchannel(trojanscan_nick, cp)) | |
190 | localgetops(trojanscan_nick, cp); | |
191 | } | |
192 | ||
193 | #ifdef TROJANSCAN_PEONCHANNEL | |
194 | cp = findchannel(TROJANSCAN_PEONCHANNEL); | |
195 | if (!cp) { | |
196 | localcreatechannel(trojanscan_nick, TROJANSCAN_PEONCHANNEL); | |
197 | } else { | |
198 | if(!localjoinchannel(trojanscan_nick, cp)) | |
199 | localgetops(trojanscan_nick, cp); | |
200 | } | |
201 | #endif | |
202 | } | |
203 | ||
204 | void trojanscan_connect(void *arg) { | |
205 | sstring *dbhost, *dbuser, *dbpass, *db, *dbport, *temp; | |
206 | int length, i; | |
207 | char buf[10]; | |
208 | ||
209 | trojanscan_connect_schedule = NULL; | |
210 | ||
211 | for(i=0;i<TROJANSCAN_CLONE_TOTAL;i++) | |
212 | trojanscan_swarm[i].index = i; /* sure this could be done with pointer arithmetic... */ | |
213 | ||
214 | trojanscan_hostpoolsize = 0; | |
215 | trojanscan_tailpoolsize = 0; | |
216 | trojanscan_hostmode = 0; | |
217 | trojanscan_poolschedule = NULL; | |
218 | trojanscan_cloneschedule = NULL; | |
219 | trojanscan_realchanlist = NULL; | |
220 | trojanscan_database.glines = 0; | |
221 | trojanscan_database.detections = 0; | |
222 | ||
223 | dbhost = getcopyconfigitem("trojanscan", "dbhost", "localhost", 100); | |
224 | dbuser = getcopyconfigitem("trojanscan", "dbuser", "moo", 100); | |
225 | dbpass = getcopyconfigitem("trojanscan", "dbpass", "changeme", 100); | |
226 | db = getcopyconfigitem("trojanscan", "db", "moo", 100); | |
227 | ||
228 | dbport = getcopyconfigitem("trojanscan", "dbport", "3306", 10); | |
229 | ||
230 | length = snprintf(buf, sizeof(buf) - 1, "%d", TROJANSCAN_DEFAULT_MAXCHANS); | |
231 | temp = getcopyconfigitem("trojanscan", "maxchans", buf, length); | |
232 | ||
233 | trojanscan_maxchans = atoi(temp->content); | |
234 | freesstring(temp); | |
235 | ||
236 | length = snprintf(buf, sizeof(buf) - 1, "%d", TROJANSCAN_DEFAULT_CYCLETIME); | |
237 | temp = getcopyconfigitem("trojanscan", "cycletime", buf, length); | |
238 | ||
239 | trojanscan_cycletime = atoi(temp->content); | |
240 | freesstring(temp); | |
241 | ||
242 | length = snprintf(buf, sizeof(buf) - 1, "%d", TROJANSCAN_DEFAULT_PARTTIME); | |
243 | temp = getcopyconfigitem("trojanscan", "parttime", buf, length); | |
244 | trojanscan_part_time = atoi(temp->content); | |
245 | freesstring(temp); | |
246 | ||
247 | length = snprintf(buf, sizeof(buf) - 1, "%d", TROJANSCAN_DEFAULT_MAXUSERS); | |
248 | temp = getcopyconfigitem("trojanscan", "maxusers", buf, length); | |
249 | trojanscan_maxusers = atoi(temp->content); | |
250 | freesstring(temp); | |
251 | ||
252 | length = snprintf(buf, sizeof(buf) - 1, "%d", TROJANSCAN_MINIMUM_HOSTS_BEFORE_POOL); | |
253 | temp = getcopyconfigitem("trojanscan", "minpoolhosts", buf, length); | |
254 | trojanscan_min_hosts = atoi(temp->content); | |
255 | freesstring(temp); | |
256 | ||
257 | if ((trojanscan_cycletime / trojanscan_maxchans) < 1) { | |
258 | Error("trojanscan", ERR_FATAL, "Cycletime / maxchans < 1, increase cycletime or decrease maxchans else cycling breaks."); | |
259 | freesstring(dbhost); | |
260 | freesstring(dbuser); | |
261 | freesstring(dbpass); | |
262 | freesstring(db); | |
263 | freesstring(dbport); | |
264 | return; /* PPA: module failed to load */ | |
265 | } | |
266 | ||
267 | length = snprintf(buf, sizeof(buf) - 1, "%d", TROJANSCAN_DEFAULT_MINIMUM_CHANNEL_SIZE); | |
268 | temp = getcopyconfigitem("trojanscan", "minchansize", buf, length); | |
269 | trojanscan_minchansize = atoi(temp->content); | |
270 | freesstring(temp); | |
271 | ||
272 | trojanscan_connect_nick(NULL); | |
273 | ||
274 | if (trojanscan_database_connect(dbhost->content, dbuser->content, dbpass->content, db->content, atoi(dbport->content)) < 0) { | |
275 | Error("trojanscan", ERR_FATAL, "Cannot connect to database host!"); | |
276 | freesstring(dbhost); | |
277 | freesstring(dbuser); | |
278 | freesstring(dbpass); | |
279 | freesstring(db); | |
280 | freesstring(dbport); | |
281 | return; /* PPA: module failed to load */ | |
282 | } | |
283 | ||
284 | trojanscan_database_query("CREATE TABLE phrases (id INT(10) PRIMARY KEY AUTO_INCREMENT, wormid INT(10) NOT NULL, phrase TEXT NOT NULL, priority INT(10) DEFAULT 0 NOT NULL, dateadded int(10), disabled BOOL DEFAULT 0 NOT NULL)"); | |
285 | trojanscan_database_query("CREATE TABLE worms (id INT(10) PRIMARY KEY AUTO_INCREMENT, wormname TEXT NOT NULL, glinetype INT DEFAULT 0, data text, hitmsgs BOOL DEFAULT 1, hitchans BOOL DEFAULT 0, epidemic BOOL DEFAULT 0, privinfo text)"); | |
286 | trojanscan_database_query("CREATE TABLE logs (id INT(10) PRIMARY KEY AUTO_INCREMENT, userid INT(10) NOT NULL, act TEXT NOT NULL, description TEXT NOT NULL, ts TIMESTAMP)"); | |
287 | trojanscan_database_query("CREATE TABLE channels (id INT(10) PRIMARY KEY AUTO_INCREMENT, channel VARCHAR(%d) NOT NULL, exempt BOOL DEFAULT 0)", CHANNELLEN); | |
288 | trojanscan_database_query("CREATE TABLE users (id INT(10) PRIMARY KEY AUTO_INCREMENT, authname VARCHAR(%d) NOT NULL, authlevel TINYINT(4) NOT NULL)", ACCOUNTLEN); | |
289 | trojanscan_database_query("CREATE TABLE hits (id INT(10) PRIMARY KEY AUTO_INCREMENT, nickname VARCHAR(%d) NOT NULL, ident VARCHAR(%d) NOT NULL, host VARCHAR(%d) NOT NULL, phrase INT(10) NOT NULL, ts TIMESTAMP, messagetype VARCHAR(1) NOT NULL DEFAULT 'm', glined BOOL DEFAULT 1)", NICKLEN, USERLEN, HOSTLEN); | |
290 | trojanscan_database_query("CREATE TABLE settings (id INT(10) PRIMARY KEY AUTO_INCREMENT, setting VARCHAR(255) NOT NULL UNIQUE, value VARCHAR(255) NOT NULL)"); | |
291 | trojanscan_database_query("CREATE TABLE wwwlogs (id INT(10) PRIMARY KEY AUTO_INCREMENT, authid INT(10) NOT NULL, ip VARCHAR(15), action TEXT, ts TIMESTAMP)"); | |
292 | trojanscan_database_query("CREATE TABLE unknownlog (id INT(10) PRIMARY KEY AUTO_INCREMENT, data TEXT, user VARCHAR(%d) NOT NULL, ts TIMESTAMP)", NICKLEN+USERLEN+HOSTLEN+3); | |
293 | ||
294 | trojanscan_database_query("DELETE FROM settings WHERE setting = 'rehash' OR setting = 'changed'"); | |
295 | trojanscan_database_query("INSERT INTO settings (setting, value) VALUES ('rehash','0')"); | |
296 | trojanscan_database_query("INSERT INTO settings (setting, value) VALUES ('changed','0')"); | |
297 | ||
298 | /* assumption: constants aren't supplied by someone evil */ | |
299 | trojanscan_database_query("INSERT INTO settings (setting, value) VALUES ('versionreply','" TROJANSCAN_DEFAULT_VERSION_REPLY "')"); | |
300 | ||
301 | trojanscan_refresh_settings(); | |
302 | trojanscan_read_database(1); | |
303 | ||
304 | freesstring(dbhost); | |
305 | freesstring(dbuser); | |
306 | freesstring(dbpass); | |
307 | freesstring(db); | |
308 | freesstring(dbport); | |
309 | trojanscan_registerclones(NULL); | |
310 | ||
311 | trojanscan_rehashschedule = scheduleoneshot(time(NULL) + 60, &trojanscan_rehash_schedule, NULL); | |
312 | ||
313 | registerhook(HOOK_CHANNEL_PART, trojanscan_part_watch); | |
314 | hooksregistered = 1; | |
315 | } | |
316 | ||
317 | char *trojanscan_get_setting(char *setting) { | |
318 | int i; | |
319 | ||
320 | for(i=0;i<settingcount;i++) | |
321 | if(!strcmp(trojanscan_settings[i].setting, setting)) | |
322 | return trojanscan_settings[i].value; | |
323 | ||
324 | return NULL; | |
325 | } | |
326 | ||
327 | void trojanscan_refresh_settings(void) { | |
328 | trojanscan_database_res *res; | |
329 | trojanscan_database_row sqlrow; | |
330 | int i = 0; | |
331 | ||
332 | if(trojanscan_database_query("SELECT setting, value FROM settings")) | |
333 | return; | |
334 | ||
335 | if(!(res = trojanscan_database_store_result(&trojanscan_sql))) | |
336 | return; | |
337 | ||
338 | if (trojanscan_database_num_rows(res) <= 0) | |
339 | return; | |
340 | ||
341 | while((sqlrow = trojanscan_database_fetch_row(res))) { | |
342 | strlcpy(trojanscan_settings[i].setting, sqlrow[0], TROJANSCAN_SETTING_SIZE); | |
343 | strlcpy(trojanscan_settings[i].value, sqlrow[1], TROJANSCAN_SETTING_SIZE); | |
344 | ||
345 | trojanscan_sanitise(trojanscan_settings[i].value); | |
346 | ||
347 | if(++i == TROJANSCAN_MAX_SETTINGS) | |
348 | break; | |
349 | } | |
350 | ||
351 | settingcount = i; | |
352 | ||
353 | trojanscan_database_free_result(res); | |
354 | ||
355 | /* optimisation hack */ | |
356 | versionreply = trojanscan_get_setting("versionreply"); | |
357 | } | |
358 | ||
359 | void trojanscan_rehash_schedule(void *arg) { | |
360 | char *v; | |
361 | trojanscan_rehashschedule = scheduleoneshot(time(NULL) + 60, &trojanscan_rehash_schedule, NULL); | |
362 | ||
363 | trojanscan_refresh_settings(); | |
364 | ||
365 | v = trojanscan_get_setting("rehash"); | |
366 | if(v && v[0] == '1') { | |
367 | trojanscan_mainchanmsg("n: rehash initiated by website. . ."); | |
368 | trojanscan_read_database(0); | |
369 | } | |
370 | } | |
371 | ||
372 | void trojanscan_free_database(void) { | |
373 | int i; | |
374 | for(i=0;i<trojanscan_database.total_channels;i++) | |
375 | freesstring(trojanscan_database.channels[i].name); | |
376 | tfree(trojanscan_database.channels); | |
377 | for(i=0;i<trojanscan_database.total_phrases;i++) { | |
378 | if (trojanscan_database.phrases[i].phrase) | |
379 | pcre_free(trojanscan_database.phrases[i].phrase); | |
380 | if (trojanscan_database.phrases[i].hint) | |
381 | pcre_free(trojanscan_database.phrases[i].hint); | |
382 | } | |
383 | tfree(trojanscan_database.phrases); | |
384 | for(i=0;i<trojanscan_database.total_worms;i++) | |
385 | freesstring(trojanscan_database.worms[i].name); | |
386 | tfree(trojanscan_database.worms); | |
387 | trojanscan_database.total_channels = 0; | |
388 | trojanscan_database.total_phrases = 0; | |
389 | trojanscan_database.total_worms = 0; | |
390 | trojanscan_database.channels = NULL; | |
391 | trojanscan_database.phrases = NULL; | |
392 | trojanscan_database.worms = NULL; | |
393 | } | |
394 | ||
395 | char *trojanscan_sanitise(char *input) { | |
396 | char *p; | |
397 | ||
398 | for(p=input;*p;p++) | |
399 | if(*p == '\r' || *p == '\n') | |
400 | *p = '!'; | |
401 | ||
402 | return input; | |
403 | } | |
404 | ||
405 | sstring *trojanscan_getsstring(char *string, int length) { | |
406 | int i; | |
407 | ||
408 | for(i=0;i<length;i++) { | |
409 | if ((string[i] == '\r') || (string[i] == '\n')) { | |
410 | Error("trojanscan", ERR_WARNING, "Error reading %s at position %d, set to ERROR!", string, i+1); | |
411 | return getsstring("ERROR", sizeof("ERROR")); | |
412 | } | |
413 | } | |
414 | ||
415 | return getsstring(string, length); | |
416 | } | |
417 | ||
418 | int trojanscan_strip_codes(char *buf, size_t max, char *original) { | |
419 | int i, j, length = TROJANSCAN_MMIN(strlen(original), max-1); | |
420 | char *p2 = original, *p3, flag = 0; | |
421 | p3 = buf; | |
422 | for(i=0;i<length+1;i++) { | |
423 | switch (*p2) { | |
424 | case '\002': | |
425 | case '\017': | |
426 | case '\026': | |
427 | case '\037': | |
428 | break; | |
429 | case '\003': | |
430 | for(j=0;j<6;j++) { | |
431 | if ((i + 1) > length) | |
432 | break; | |
433 | if ((j == 4) && flag) | |
434 | break; | |
435 | p2++; | |
436 | i++; | |
437 | if ((j == 0) && (!((*p2 >= '0') && (*p2 <= '9')))) | |
438 | break; | |
439 | if (j == 1) { | |
440 | ||
441 | if (*p2 == ',') { | |
442 | if ((i + 1) > length) | |
443 | break; | |
444 | if (!((*(p2 + 1) >= '0') && (*(p2 + 1) <= '9'))) | |
445 | break; | |
446 | flag = 1; | |
447 | } else if ((*p2 >= '0') && (*p2 <= '9')) { | |
448 | flag = 0; | |
449 | } else { | |
450 | break; | |
451 | } | |
452 | } | |
453 | if (j == 2) { | |
454 | if (flag) { | |
455 | if (!((*p2 >= '0') && (*p2 <= '9'))) | |
456 | break; | |
457 | } else { | |
458 | if (*p2 != ',') { | |
459 | break; | |
460 | } else { | |
461 | if ((i + 1) > length) | |
462 | break; | |
463 | if (!((*(p2 + 1) >= '0') && (*(p2 + 1) <= '9'))) | |
464 | break; | |
465 | } | |
466 | } | |
467 | } | |
468 | if ((j == 3) && (!((*p2 >= '0') && (*p2 <= '9')))) | |
469 | break; | |
470 | if ((j == 4) && (!((*p2 >= '0') && (*p2 <= '9')))) | |
471 | break; | |
472 | } | |
473 | p2--; | |
474 | i--; | |
475 | break; | |
476 | ||
477 | default: | |
478 | *p3 = *p2; | |
479 | p3++; | |
480 | break; | |
481 | } | |
482 | p2++; | |
483 | } | |
484 | return p3 - buf; | |
485 | } | |
486 | ||
487 | struct trojanscan_worms *trojanscan_find_worm_by_id(int id) { | |
488 | int i; | |
489 | for(i=0;i<trojanscan_database.total_worms;i++) | |
490 | if (trojanscan_database.worms[i].id == id) | |
491 | return &trojanscan_database.worms[i]; | |
492 | return NULL; | |
493 | } | |
494 | ||
495 | void trojanscan_read_database(int first_time) { | |
496 | const char *error; | |
497 | int erroroffset, i, tempresult; | |
498 | ||
499 | trojanscan_database_res *res; | |
500 | trojanscan_database_row sqlrow; | |
501 | ||
502 | if (!first_time) { | |
503 | trojanscan_free_database(); | |
504 | } else { | |
505 | trojanscan_database.total_channels = 0; | |
506 | trojanscan_database.total_phrases = 0; | |
507 | trojanscan_database.total_worms = 0; | |
508 | } | |
509 | ||
510 | if (!(trojanscan_database_query("SELECT channel, exempt FROM channels"))) { | |
511 | if ((res = trojanscan_database_store_result(&trojanscan_sql))) { | |
512 | trojanscan_database.total_channels = trojanscan_database_num_rows(res); | |
513 | if (trojanscan_database.total_channels > 0) { | |
514 | if ((trojanscan_database.channels = (trojanscan_channels *)tmalloc(sizeof(trojanscan_channels) * trojanscan_database.total_channels))) { | |
515 | if ((trojanscan_database.total_channels>0) && trojanscan_database.channels) { | |
516 | i = 0; | |
517 | while((sqlrow = trojanscan_database_fetch_row(res))) { | |
518 | trojanscan_database.channels[i].name = trojanscan_getsstring(trojanscan_sanitise(sqlrow[0]), strlen(sqlrow[0])); | |
519 | trojanscan_database.channels[i].exempt = (sqlrow[1][0] == '1'); | |
520 | i++; | |
521 | } | |
522 | } | |
523 | } | |
524 | } | |
525 | trojanscan_database_free_result(res); | |
526 | } | |
527 | } | |
528 | ||
529 | if (!(trojanscan_database_query("SELECT id, wormname, glinetype, length(data), hitmsgs, hitchans, epidemic FROM worms"))) { | |
530 | if ((res = trojanscan_database_store_result(&trojanscan_sql))) { | |
531 | trojanscan_database.total_worms = trojanscan_database_num_rows(res); | |
532 | if (trojanscan_database.total_worms > 0) { | |
533 | if ((trojanscan_database.worms = (trojanscan_worms *)tmalloc(sizeof(trojanscan_worms) * trojanscan_database.total_worms))) { | |
534 | i = 0; | |
535 | while((sqlrow = trojanscan_database_fetch_row(res))) { | |
536 | trojanscan_database.worms[i].id = atoi(sqlrow[0]); | |
537 | trojanscan_database.worms[i].name = trojanscan_getsstring(trojanscan_sanitise(sqlrow[1]), strlen(sqlrow[1])); | |
538 | tempresult = atoi(sqlrow[2]); | |
539 | trojanscan_database.worms[i].glineuser = (tempresult == 0); | |
540 | trojanscan_database.worms[i].glinehost = (tempresult == 1); | |
541 | trojanscan_database.worms[i].monitor = (tempresult == 2); | |
542 | if(sqlrow[3]) { | |
543 | trojanscan_database.worms[i].datalen = ((atoi(sqlrow[3]) == 0) ? 0 : 1); | |
544 | } else { | |
545 | trojanscan_database.worms[i].datalen = 0; | |
546 | } | |
547 | ||
548 | trojanscan_database.worms[i].hitpriv = (atoi(sqlrow[4]) == 1); | |
549 | trojanscan_database.worms[i].hitchans = (atoi(sqlrow[5]) == 1); | |
550 | trojanscan_database.worms[i].epidemic = (atoi(sqlrow[6]) == 1); | |
551 | ||
552 | i++; | |
553 | } | |
554 | } | |
555 | } | |
556 | trojanscan_database_free_result(res); | |
557 | } | |
558 | } | |
559 | ||
560 | if (!(trojanscan_database_query("SELECT id, phrase, wormid FROM phrases WHERE disabled = 0 ORDER BY priority DESC"))) { | |
561 | if ((res = trojanscan_database_store_result(&trojanscan_sql))) { | |
562 | trojanscan_database.total_phrases = trojanscan_database_num_rows(res); | |
563 | if (trojanscan_database.total_phrases > 0) { | |
564 | if ((trojanscan_database.phrases = (trojanscan_phrases *)tmalloc(sizeof(trojanscan_phrases) * trojanscan_database.total_phrases))) { | |
565 | i = 0; | |
566 | while((sqlrow = trojanscan_database_fetch_row(res))) { | |
567 | trojanscan_database.phrases[i].id = atoi(sqlrow[0]); | |
568 | trojanscan_database.phrases[i].worm = trojanscan_find_worm_by_id(atoi(sqlrow[2])); | |
569 | if (!(trojanscan_database.phrases[i].phrase = pcre_compile(sqlrow[1], PCRE_CASELESS, &error, &erroroffset, NULL))) { | |
570 | Error("trojanscan", ERR_WARNING, "Error compiling expression %s at offset %d: %s", sqlrow[1], erroroffset, error); | |
571 | } else { | |
572 | trojanscan_database.phrases[i].hint = pcre_study(trojanscan_database.phrases[i].phrase, 0, &error); | |
573 | if (error) { | |
574 | Error("trojanscan", ERR_WARNING, "Error studying expression %s: %s", sqlrow[1], error); | |
575 | pcre_free(trojanscan_database.phrases[i].phrase); | |
576 | trojanscan_database.phrases[i].phrase = NULL; | |
577 | } | |
578 | } | |
579 | i++; | |
580 | } | |
581 | } | |
582 | } | |
583 | trojanscan_database_free_result(res); | |
584 | } | |
585 | } | |
586 | ||
587 | trojanscan_database_query("UPDATE settings SET value = '0' where setting = 'rehash'"); | |
588 | } | |
589 | ||
590 | void trojanscan_log(nick *np, char *event, char *details, ...) { | |
591 | int nickid = 0; | |
592 | char eevent[TROJANSCAN_QUERY_TEMP_BUF_SIZE], edetails[TROJANSCAN_QUERY_TEMP_BUF_SIZE], buf[513]; | |
593 | va_list va; | |
594 | ||
595 | va_start(va, details); | |
596 | vsnprintf(buf, sizeof(buf) - 1, details, va); | |
597 | va_end(va); | |
598 | ||
599 | if (np) | |
600 | if (IsAccount(np)) | |
601 | nickid = trojanscan_user_id_by_authname(np->authname); | |
602 | ||
603 | trojanscan_database_escape_string(eevent, event, strlen(event)); | |
604 | trojanscan_database_escape_string(edetails, buf, strlen(buf)); | |
605 | trojanscan_database_query("INSERT INTO logs (userid, act, description) VALUES ('%d', '%s', '%s')", nickid, eevent, edetails); | |
606 | } | |
607 | ||
608 | void trojanscan_generateclone(void *arg) { | |
609 | int i, loops = 0, modes = UMODE_XOPER | UMODE_INV; | |
610 | char c_nick[NICKLEN+1], c_ident[USERLEN+1], c_host[HOSTLEN+1], c_real[REALLEN+1]; | |
611 | patricia_node_t *fakeip; | |
612 | ||
613 | i = (int)((long)arg); | |
614 | ||
615 | /* PPA: unlikely to be infinite */ | |
616 | do { | |
617 | c_nick[0] = '\0'; | |
618 | if (!loops && trojanscan_hostmode) /* only have one go at this */ | |
619 | trojanscan_generatenick(c_nick, NICKLEN); | |
620 | if(!c_nick[0]) | |
621 | trojanscan_gennick(c_nick, trojanscan_minmaxrand(7, TROJANSCAN_MMIN(13, NICKLEN))); | |
622 | loops++; | |
623 | } while ((getnickbynick(c_nick) != NULL)); | |
624 | ||
625 | trojanscan_generateident(c_ident, USERLEN); | |
626 | if(!c_ident[0]) | |
627 | trojanscan_genident(c_ident, trojanscan_minmaxrand(4, TROJANSCAN_MMIN(8, USERLEN))); | |
628 | ||
629 | if(trojanscan_hostmode) { | |
630 | trojanscan_generatehost(c_host, HOSTLEN, &fakeip); | |
631 | if(!c_host[0]) | |
632 | trojanscan_genhost(c_host, HOSTLEN, &fakeip); | |
633 | } else { | |
634 | trojanscan_genhost(c_host, HOSTLEN, &fakeip); | |
635 | } | |
636 | ||
637 | trojanscan_generaterealname(c_real, REALLEN); | |
638 | if(!c_real[0]) | |
639 | trojanscan_genreal(c_real, trojanscan_minmaxrand(15, TROJANSCAN_MMIN(50, REALLEN))); | |
640 | ||
641 | trojanscan_swarm[i].clone = registerlocaluser(c_nick, c_ident, c_host, c_real, NULL, modes, &trojanscan_clonehandlemessages); | |
642 | trojanscan_swarm[i].fakeipnode = fakeip; | |
643 | ||
644 | if(trojanscan_swarm[i].clone && !trojanscan_swarm_created) { | |
645 | nick *np = trojanscan_selectuser(); | |
646 | if(np) /* select a 'random' sign on time for whois generation */ | |
647 | trojanscan_swarm[i].clone->timestamp = np->timestamp; | |
648 | } | |
649 | trojanscan_swarm[i].remaining = trojanscan_minmaxrand(5, 100); | |
650 | ||
651 | trojanscan_swarm[i].sitting = 0; | |
652 | ||
653 | } | |
654 | ||
655 | void trojanscan_free_channels(void) { | |
656 | int i; | |
657 | if(trojanscan_chans) { | |
658 | for(i=0;i<trojanscan_activechans;i++) | |
659 | freesstring(trojanscan_chans[i].channel); | |
660 | tfree(trojanscan_chans); | |
661 | trojanscan_chans = NULL; | |
662 | trojanscan_activechans = 0; | |
663 | } | |
664 | } | |
665 | ||
666 | void trojanscan_repool(void *arg) { | |
667 | if (trojanscan_generatepool() < TROJANSCAN_MINPOOLSIZE) { | |
668 | trojanscan_hostmode = 0; | |
669 | return; | |
670 | } else { | |
671 | trojanscan_hostmode = 1; | |
672 | trojanscan_poolschedule = scheduleoneshot(time(NULL) + TROJANSCAN_POOL_REGENERATION, &trojanscan_repool, NULL); | |
673 | } | |
674 | } | |
675 | ||
676 | void trojanscan_registerclones(void *arg) { | |
677 | unsigned int i; | |
678 | ||
679 | if (trojanscan_generatepool() < TROJANSCAN_MINPOOLSIZE) { | |
680 | trojanscan_hostmode = 0; | |
681 | trojanscan_cloneschedule = scheduleoneshot(time(NULL) + 10, &trojanscan_registerclones, NULL); | |
682 | return; | |
683 | } else { | |
684 | trojanscan_hostmode = 1; | |
685 | trojanscan_poolschedule = scheduleoneshot(time(NULL) + TROJANSCAN_POOL_REGENERATION, &trojanscan_repool, NULL); | |
686 | trojanscan_cloneschedule = NULL; | |
687 | } | |
688 | ||
689 | for (i=0;i<TROJANSCAN_CLONE_TOTAL;i++) | |
690 | trojanscan_generateclone((void *)((long)i)); | |
691 | trojanscan_mainchanmsg("n: swarm (%d clones) created.", TROJANSCAN_CLONE_TOTAL); | |
692 | trojanscan_swarm_created = 1; | |
693 | ||
694 | trojanscan_initialschedule = scheduleoneshot(time(NULL) + 60, &trojanscan_fill_channels, NULL); | |
695 | } | |
696 | ||
697 | int trojanscan_status(void *sender, int cargc, char **cargv) { | |
698 | nick *np = (nick *)sender; | |
699 | trojanscan_log(np, "status", ""); | |
700 | trojanscan_reply(np, "Channels in schedule: %d", trojanscan_activechans); | |
701 | trojanscan_reply(np, "Channels in database: %d", trojanscan_database.total_channels); | |
702 | trojanscan_reply(np, "Phrases: %d", trojanscan_database.total_phrases); | |
703 | trojanscan_reply(np, "Worms: %d", trojanscan_database.total_worms); | |
704 | trojanscan_reply(np, "Detections: %d", trojanscan_database.detections); | |
705 | trojanscan_reply(np, "Glines: %d", trojanscan_database.glines); | |
706 | trojanscan_reply(np, "Host/tail pool size: %d", TROJANSCAN_POOLSIZE); | |
707 | trojanscan_reply(np, "Cycletime: %d", trojanscan_cycletime); | |
708 | trojanscan_reply(np, "Clones: %d", TROJANSCAN_CLONE_TOTAL); | |
709 | return CMD_OK; | |
710 | } | |
711 | ||
712 | int trojanscan_chanlist(void *sender, int cargc, char **cargv) { | |
713 | int i; | |
714 | nick *np = (nick *)sender; | |
715 | char buf[CHANNELLEN * 2 + 20]; | |
716 | trojanscan_reply(np, "Channel list (%d total):", trojanscan_activechans); | |
717 | buf[0] = '\0'; | |
718 | ||
719 | for(i=0;i<trojanscan_activechans;i++) { | |
720 | if(trojanscan_chans[i].channel->length + 3 > sizeof(buf) - strlen(buf)) { | |
721 | trojanscan_reply(np, "%s", buf); | |
722 | buf[0] = '\0'; | |
723 | } | |
724 | ||
725 | /* if splidge sees this I'm going to die */ | |
726 | strlcat(buf, trojanscan_chans[i].channel->content, sizeof(buf)); | |
727 | strlcat(buf, " ", sizeof(buf)); | |
728 | } | |
729 | if(buf[0]) | |
730 | trojanscan_reply(np, "%s", buf); | |
731 | ||
732 | trojanscan_reply(np, "Done."); | |
733 | return CMD_OK; | |
734 | } | |
735 | ||
736 | int trojanscan_whois(void *sender, int cargc, char **cargv) { | |
737 | char *tochange; | |
738 | nick *np = (nick *)sender, *np2; | |
739 | int templevel; | |
740 | ||
741 | if (cargc < 1) { | |
742 | trojanscan_reply(np, "Not enough parameters."); | |
743 | return CMD_ERROR; | |
744 | } | |
745 | ||
746 | if (cargv[0][0] == '#') { | |
747 | tochange = cargv[0] + 1; | |
748 | } else { | |
749 | int i; | |
750 | np2 = getnickbynick(cargv[0]); | |
751 | if (!np2) { | |
752 | trojanscan_reply(np, "That nickname is not on the network."); | |
753 | return CMD_ERROR; | |
754 | } | |
755 | for(i=0;i<TROJANSCAN_CLONE_TOTAL;i++) { | |
756 | if(trojanscan_swarm[i].clone->nick && !ircd_strcmp(trojanscan_swarm[i].clone->nick, np2->nick)) { | |
757 | trojanscan_reply(np, "Nickname : %s", np2->nick); | |
758 | trojanscan_reply(np, "Swarm : yes"); | |
759 | return CMD_OK; | |
760 | } | |
761 | } | |
762 | if (!IsAccount(np2)) { | |
763 | trojanscan_reply(np, "User is not authed."); | |
764 | return CMD_OK; | |
765 | } | |
766 | tochange = np2->authname; | |
767 | } | |
768 | ||
769 | templevel = trojanscan_user_level_by_authname(tochange); | |
770 | if (templevel == -1) { | |
771 | trojanscan_reply(np, "User does not exist."); | |
772 | } else { | |
773 | union trojanscan_userlevel flags; | |
774 | flags.number = templevel; | |
775 | trojanscan_reply(np, "Authname : %s", tochange); | |
776 | trojanscan_reply(np, "Flags : +" TROJANSCAN_FLAG_MASK, TrojanscanFlagsInfo(flags)); | |
777 | } | |
778 | ||
779 | return CMD_OK; | |
780 | } | |
781 | ||
782 | void trojanscan_privmsg_chan_or_nick(channel *cp, nick *np, char *message, ...) { | |
783 | char buf[513]; | |
784 | va_list va; | |
785 | ||
786 | if (!trojanscan_nick) | |
787 | return; | |
788 | ||
789 | va_start(va, message); | |
790 | vsnprintf(buf, sizeof(buf) - 1, message, va); | |
791 | va_end(va); | |
792 | ||
793 | if (cp) { | |
794 | sendmessagetochannel(trojanscan_nick, cp, "%s", buf); | |
795 | } else { | |
796 | sendmessagetouser(trojanscan_nick, np, "%s", buf); | |
797 | } | |
798 | ||
799 | } | |
800 | ||
801 | int trojanscan_mew(void *sender, int cargc, char **cargv) { | |
802 | nick *np = (nick *)sender, *np2 = NULL; | |
803 | channel *cp = NULL; | |
804 | ||
805 | if (cargc < 2) { | |
806 | trojanscan_reply(np, "Not enough paramaters."); | |
807 | return CMD_ERROR; | |
808 | } | |
809 | ||
810 | if(cargv[0][0] == '#') { | |
811 | if (!(cp = findchannel(cargv[0]))) { | |
812 | trojanscan_reply(np, "Channel not found."); | |
813 | return CMD_ERROR; | |
814 | } | |
815 | trojanscan_log(np, "mew", "%s %s", cp->index->name->content, cargv[1]); | |
816 | } else { | |
817 | if (!(np2 = getnickbynick(cargv[0]))) { | |
818 | trojanscan_reply(np, "Nickname is not present on the network."); | |
819 | return CMD_ERROR; | |
820 | } | |
821 | trojanscan_log(np, "mew", "%s %s", np2->nick, cargv[1]); | |
822 | } | |
823 | ||
824 | trojanscan_privmsg_chan_or_nick(cp, np2, "\001ACTION mews hopefully at %s\001", cargv[1]); | |
825 | ||
826 | if (cp) { | |
827 | trojanscan_reply(np, "Mewed at %s in %s.", cargv[1], cp->index->name->content); | |
828 | } else { | |
829 | trojanscan_reply(np, "Mewed at %s at %s.", cargv[1], np2->nick); | |
830 | } | |
831 | ||
832 | if(!IsOper(np)) | |
833 | trojanscan_mainchanmsg("n: mew: %s %s (%s/%s)", cargv[1], cp?cp->index->name->content:np2->nick, np->nick, np->authname); | |
834 | ||
835 | return CMD_OK; | |
836 | } | |
837 | ||
838 | int trojanscan_cat(void *sender, int cargc, char **cargv) { | |
839 | nick *np = (nick *)sender, *np2 = NULL; | |
840 | channel *cp = NULL; | |
841 | FILE *cat; | |
842 | char buf[513], *p; | |
843 | ||
844 | if (cargc < 1) { | |
845 | trojanscan_reply(np, "Not enough paramaters."); | |
846 | return CMD_ERROR; | |
847 | } | |
848 | ||
849 | if(cargv[0][0] == '#') { | |
850 | if (!(cp = findchannel(cargv[0]))) { | |
851 | trojanscan_reply(np, "Channel not found."); | |
852 | return CMD_ERROR; | |
853 | } | |
854 | trojanscan_log(np, "cat", cp->index->name->content); | |
855 | } else { | |
856 | if (!(np2 = getnickbynick(cargv[0]))) { | |
857 | trojanscan_reply(np, "Nickname is not present on the network."); | |
858 | return CMD_ERROR; | |
859 | } | |
860 | trojanscan_log(np, "cat", np2->nick); | |
861 | } | |
862 | ||
863 | if ((!(cat = fopen(TROJANSCAN_CAT, "r")))) { | |
864 | trojanscan_reply(np, "Unable to open cat!"); | |
865 | return CMD_ERROR; | |
866 | } | |
867 | ||
868 | while (fgets(buf, sizeof(buf) - 1, cat)) { | |
869 | if ((p = strchr(buf, '\n'))) { | |
870 | *p = '\0'; | |
871 | trojanscan_privmsg_chan_or_nick(cp, np2, "%s", buf); | |
872 | } else if (feof(cat)) { | |
873 | trojanscan_privmsg_chan_or_nick(cp, np2, "%s", buf); | |
874 | } | |
875 | } | |
876 | ||
877 | fclose(cat); | |
878 | ||
879 | if (cp) { | |
880 | trojanscan_reply(np, "Spammed cat in %s.", cp->index->name->content); | |
881 | } else { | |
882 | trojanscan_reply(np, "Spammed cat at %s.", np2->nick); | |
883 | } | |
884 | ||
885 | return CMD_OK; | |
886 | } | |
887 | ||
888 | int trojanscan_reschedule(void *sender, int cargc, char **cargv) { | |
889 | nick *np = (nick *)sender; | |
890 | trojanscan_log(np, "reschedule", ""); | |
891 | trojanscan_fill_channels(NULL); | |
892 | ||
893 | trojanscan_reply(np, "Rescheduled."); | |
894 | return CMD_OK; | |
895 | } | |
896 | ||
897 | int trojanscan_listusers(void *sender, int cargc, char **cargv) { | |
898 | nick *np = (nick *)sender; | |
899 | ||
900 | trojanscan_log(np, "listusers", ""); | |
901 | ||
902 | trojanscan_reply(np, "User list:"); | |
903 | ||
904 | if (!(trojanscan_database_query("SELECT authname, authlevel FROM users ORDER BY authlevel DESC, authname"))) { | |
905 | trojanscan_database_res *res; | |
906 | if ((res = trojanscan_database_store_result(&trojanscan_sql))) { | |
907 | if (trojanscan_database_num_rows(res)) { | |
908 | trojanscan_database_row sqlrow; | |
909 | union trojanscan_userlevel flags; | |
910 | while((sqlrow = trojanscan_database_fetch_row(res))) { | |
911 | flags.number = atoi(sqlrow[1]); | |
912 | trojanscan_reply(np, "%s +" TROJANSCAN_FLAG_MASK, sqlrow[0], TrojanscanIsDeveloper(flags) ? "d" : "", TrojanscanIsTeamLeader(flags) ? "t" : "", TrojanscanIsStaff(flags) ? "s" : "", TrojanscanIsWebsite(flags) ? "w" : "", TrojanscanIsCat(flags) ? "c" : ""); | |
913 | } | |
914 | } | |
915 | trojanscan_database_free_result(res); | |
916 | } | |
917 | } | |
918 | ||
919 | trojanscan_reply(np, "Done."); | |
920 | return CMD_OK; | |
921 | } | |
922 | ||
923 | int trojanscan_help(void *sender, int cargc, char **cargv) { | |
924 | nick *np = (nick *)sender; | |
925 | ||
926 | if (cargc == 0) { | |
927 | trojanscan_reply(np, "Not enough parameters."); | |
928 | return CMD_ERROR; | |
929 | } | |
930 | ||
931 | if (!strcasecmp("help", cargv[0])) { | |
932 | trojanscan_reply(np, "Syntax: help <command name>"); | |
933 | trojanscan_reply(np, "Gives help on commands."); | |
934 | } else if (!strcasecmp("status", cargv[0])) { | |
935 | trojanscan_reply(np, "Syntax: status"); | |
936 | trojanscan_reply(np, "Gives statistical information about the bot."); | |
937 | } else if (!strcasecmp("join", cargv[0])) { | |
938 | trojanscan_reply(np, "Syntax: join <#channel>"); | |
939 | trojanscan_reply(np, "Orders a clone to join supplied channel."); | |
940 | } else if (!strcasecmp("showcommands", cargv[0])) { | |
941 | trojanscan_reply(np, "Syntax: showcommands"); | |
942 | trojanscan_reply(np, "Pretty obvious."); | |
943 | } else if (!strcasecmp("hello", cargv[0])) { | |
944 | trojanscan_reply(np, "Syntax: hello ?nickname?"); | |
945 | trojanscan_reply(np, "Creates a new user."); | |
946 | } else if (!strcasecmp("rehash", cargv[0])) { | |
947 | trojanscan_reply(np, "Syntax: rehash"); | |
948 | trojanscan_reply(np, "Reloads bot database."); | |
949 | } else if (!strcasecmp("changelev", cargv[0])) { | |
950 | trojanscan_reply(np, "Syntax: changelev <nickname or #authname> <flags>"); | |
951 | trojanscan_reply(np, "Changes access flags of selected user to supplied input."); | |
952 | trojanscan_reply(np, "+d -> developer"); | |
953 | trojanscan_reply(np, "+t -> team leader"); | |
954 | trojanscan_reply(np, "+s -> staff"); | |
955 | trojanscan_reply(np, "+w -> web management"); | |
956 | trojanscan_reply(np, "+c -> cat access"); | |
957 | } else if (!strcasecmp("deluser", cargv[0])) { | |
958 | trojanscan_reply(np, "Syntax: deluser <nickname or #authname>"); | |
959 | trojanscan_reply(np, "Deletes selected user from my database."); | |
960 | } else if (!strcasecmp("mew", cargv[0])) { | |
961 | trojanscan_reply(np, "Syntax: mew <#channel or nickname> <nickname>"); | |
962 | trojanscan_reply(np, "Gracefully mews at target in selected channel or query."); | |
963 | } else if (!strcasecmp("cat", cargv[0])) { | |
964 | trojanscan_reply(np, "Syntax: cat <#channel or nickname>"); | |
965 | trojanscan_reply(np, "Shows the almightly cat."); | |
966 | } else if (!strcasecmp("reschedule", cargv[0])) { | |
967 | trojanscan_reply(np, "Syntax: reschedule"); | |
968 | trojanscan_reply(np, "Recalculates bots schedule."); | |
969 | } else if (!strcasecmp("chanlist", cargv[0])) { | |
970 | trojanscan_reply(np, "Syntax: chanlist"); | |
971 | trojanscan_reply(np, "Displays bots current channel list."); | |
972 | } else if (!strcasecmp("whois", cargv[0])) { | |
973 | trojanscan_reply(np, "Syntax: whois <nickname or #authname>"); | |
974 | trojanscan_reply(np, "Displays information on given user."); | |
975 | } else if (!strcasecmp("whois", cargv[0])) { | |
976 | trojanscan_reply(np, "Syntax: listusers <flags>"); | |
977 | trojanscan_reply(np, "Displays users with listusersing flags."); | |
978 | } else { | |
979 | trojanscan_reply(np, "Command not found."); | |
980 | return CMD_ERROR; | |
981 | } | |
982 | ||
983 | return CMD_OK; | |
984 | } | |
985 | ||
986 | int trojanscan_hello(void *sender, int cargc, char **cargv) { | |
987 | nick *np = (nick *)sender, *toadd; | |
988 | char eaccount[TROJANSCAN_QUERY_TEMP_BUF_SIZE]; | |
989 | int level = 0; | |
990 | ||
991 | if (cargc > 0) { | |
992 | toadd = getnickbynick(cargv[0]); | |
993 | if (!toadd) { | |
994 | trojanscan_reply(np, "That nickname is not on the network."); | |
995 | return CMD_ERROR; | |
996 | } | |
997 | if (!IsAccount(toadd)) { | |
998 | trojanscan_reply(np, "That user is not authed with the network."); | |
999 | return CMD_ERROR; | |
1000 | } | |
1001 | } else { | |
1002 | if (!IsAccount(np)) { | |
1003 | trojanscan_reply(np, "You are not authed with the network, auth before creating your user."); | |
1004 | return CMD_ERROR; | |
1005 | } | |
1006 | toadd = np; | |
1007 | } | |
1008 | ||
1009 | if (trojanscan_user_level_by_authname(toadd->authname)!=-1) { | |
1010 | trojanscan_reply(np, "Authname (%s) is already on file.", toadd->authname); | |
1011 | return CMD_ERROR; | |
1012 | } | |
1013 | ||
1014 | trojanscan_log(np, "hello", toadd->authname); | |
1015 | ||
1016 | if (!(trojanscan_database_query("SELECT id FROM users LIMIT 1"))) { | |
1017 | trojanscan_database_res *res; | |
1018 | if ((res = trojanscan_database_store_result(&trojanscan_sql))) { | |
1019 | if (trojanscan_database_num_rows(res) == 0) | |
1020 | level = TROJANSCAN_ACL_DEVELOPER | TROJANSCAN_ACL_STAFF | TROJANSCAN_ACL_WEBSITE | TROJANSCAN_ACL_CAT; | |
1021 | trojanscan_database_free_result(res); | |
1022 | } | |
1023 | } | |
1024 | ||
1025 | trojanscan_database_escape_string(eaccount, toadd->authname, strlen(toadd->authname)); | |
1026 | trojanscan_database_query("INSERT INTO users (authname, authlevel) VALUES ('%s', %d)", eaccount, level); | |
1027 | trojanscan_reply(np, "Account added to database, account %s%s.", toadd->authname, level>0?" (first user so developer access)":""); | |
1028 | ||
1029 | return CMD_OK; | |
1030 | } | |
1031 | ||
1032 | int trojanscan_user_level_by_authname(char *authname) { | |
1033 | int result = -1, sl = strlen(authname); | |
1034 | char eaccount[TROJANSCAN_QUERY_TEMP_BUF_SIZE]; | |
1035 | ||
1036 | trojanscan_database_escape_string(eaccount, authname, sl); | |
1037 | if (!(trojanscan_database_query("SELECT authlevel, authname FROM users WHERE authname = '%s'", eaccount))) { | |
1038 | trojanscan_database_res *res; | |
1039 | if ((res = trojanscan_database_store_result(&trojanscan_sql))) { | |
1040 | if (trojanscan_database_num_rows(res) > 0) { | |
1041 | trojanscan_database_row sqlrow = trojanscan_database_fetch_row(res); | |
1042 | result = atoi(sqlrow[0]); | |
1043 | strlcpy(authname, sqlrow[1], sl + 1); | |
1044 | } | |
1045 | trojanscan_database_free_result(res); | |
1046 | } | |
1047 | } | |
1048 | return result; | |
1049 | } | |
1050 | ||
1051 | int trojanscan_user_id_by_authname(char *authname) { | |
1052 | int result = 0; | |
1053 | char eaccount[TROJANSCAN_QUERY_TEMP_BUF_SIZE]; | |
1054 | ||
1055 | trojanscan_database_escape_string(eaccount, authname, strlen(authname)); | |
1056 | if (!(trojanscan_database_query("SELECT id FROM users WHERE authname = '%s'", eaccount))) { | |
1057 | trojanscan_database_res *res; | |
1058 | if ((res = trojanscan_database_store_result(&trojanscan_sql))) { | |
1059 | if (trojanscan_database_num_rows(res) > 0) { | |
1060 | trojanscan_database_row sqlrow = trojanscan_database_fetch_row(res); | |
1061 | result = atoi(sqlrow[0]); | |
1062 | } | |
1063 | trojanscan_database_free_result(res); | |
1064 | } | |
1065 | } | |
1066 | return result; | |
1067 | } | |
1068 | ||
1069 | struct trojanscan_clones *trojanscan_selectclone(char type) { | |
1070 | struct trojanscan_clones *rc; | |
1071 | int randomclone, hits = 0, minlimit, maxlimit; | |
1072 | ||
1073 | if(type == TROJANSCAN_WATCH_CLONES) { | |
1074 | minlimit = TROJANSCAN_CLONE_MAX; | |
1075 | maxlimit = minlimit + TROJANSCAN_WATCHCLONE_MAX - 1; | |
1076 | } else { | |
1077 | minlimit = 0; | |
1078 | maxlimit = TROJANSCAN_CLONE_MAX - 1; | |
1079 | } | |
1080 | ||
1081 | do { | |
1082 | randomclone = trojanscan_minmaxrand(minlimit, maxlimit); | |
1083 | if (hits++ > 200) | |
1084 | return NULL; | |
1085 | rc = &trojanscan_swarm[randomclone]; | |
1086 | if ((type == TROJANSCAN_NORMAL_CLONES) && (rc->sitting == 0) && (rc->remaining == 0)) | |
1087 | break; | |
1088 | ||
1089 | } while (rc->remaining == 0); | |
1090 | ||
1091 | if(type == TROJANSCAN_NORMAL_CLONES) { | |
1092 | if ((rc->sitting == 0) && (rc->remaining == 0)) { | |
1093 | if ((!rc->remaining) && (!rc->sitting)) { | |
1094 | if (rc->clone) { | |
1095 | deregisterlocaluser(rc->clone, NULL); | |
1096 | derefnode(iptree, rc->fakeipnode); | |
1097 | rc->clone = NULL; | |
1098 | } | |
1099 | trojanscan_generateclone((void *)((long)rc->index)); | |
1100 | } | |
1101 | } | |
1102 | } | |
1103 | ||
1104 | return rc; | |
1105 | ||
1106 | } | |
1107 | ||
1108 | /* hack hack hack */ | |
1109 | int trojanscan_nickbanned(trojanscan_clones *np, channel *cp) { | |
1110 | int ret; | |
1111 | patricia_node_t *realipnode = np->clone->ipnode; | |
1112 | ||
1113 | np->clone->ipnode = np->fakeipnode; | |
1114 | ||
1115 | ret = nickbanned(np->clone, cp, 0); | |
1116 | ||
1117 | np->clone->ipnode = realipnode; | |
1118 | ||
1119 | return ret; | |
1120 | } | |
1121 | ||
1122 | struct trojanscan_realchannels *trojanscan_allocaterc(char *chan) { | |
1123 | struct trojanscan_realchannels *rc; | |
1124 | struct trojanscan_clones *clonep; | |
1125 | channel *cp; | |
1126 | int attempts_left = 10; | |
1127 | ||
1128 | if (!chan) { | |
1129 | trojanscan_errorcode = 1; /* sorry splidge ;( */ | |
1130 | return NULL; | |
1131 | } | |
1132 | ||
1133 | if(chan[0] != '#') { | |
1134 | trojanscan_errorcode = 2; | |
1135 | return NULL; | |
1136 | } | |
1137 | ||
1138 | if (strlen(chan) > 1) { | |
1139 | if(strrchr(chan, ',')) { | |
1140 | trojanscan_errorcode = 3; | |
1141 | return NULL; | |
1142 | } | |
1143 | ||
1144 | if(strrchr(chan, ' ')) { | |
1145 | trojanscan_errorcode = 4; | |
1146 | return NULL; | |
1147 | } | |
1148 | } | |
1149 | ||
1150 | cp = findchannel(chan); | |
1151 | if (!cp) { | |
1152 | trojanscan_errorcode = 5; | |
1153 | return NULL; | |
1154 | } | |
1155 | ||
1156 | do { | |
1157 | clonep = trojanscan_selectclone(TROJANSCAN_NORMAL_CLONES); | |
1158 | if (!clonep) { | |
1159 | trojanscan_errorcode = 6; | |
1160 | return NULL; | |
1161 | } | |
1162 | if(!trojanscan_nickbanned(clonep, cp)) | |
1163 | break; | |
1164 | } while (--attempts_left > 0); | |
1165 | ||
1166 | if (!attempts_left) { | |
1167 | trojanscan_errorcode = 7; | |
1168 | return NULL; | |
1169 | } | |
1170 | ||
1171 | rc = (struct trojanscan_realchannels *)tmalloc(sizeof(struct trojanscan_realchannels)); | |
1172 | ||
1173 | rc->next = NULL; | |
1174 | rc->clone = clonep; | |
1175 | rc->chan = cp; | |
1176 | rc->donotpart = 0; | |
1177 | rc->kickedout = 0; | |
1178 | return rc; | |
1179 | } | |
1180 | ||
1181 | void trojanscan_join(struct trojanscan_realchannels *rc) { | |
1182 | struct trojanscan_realchannels *rp = trojanscan_realchanlist; | |
1183 | ||
1184 | if (rc->clone && rc->clone->clone) { | |
1185 | if (!localjoinchannel(rc->clone->clone, rc->chan)) { | |
1186 | rc->clone->remaining--; | |
1187 | rc->clone->sitting++; | |
1188 | if (trojanscan_minmaxrand(1, TROJANSCAN_NICKCHANGE_ODDS)%TROJANSCAN_NICKCHANGE_ODDS == 0) | |
1189 | trojanscan_donickchange((void *)rc->clone); | |
1190 | ||
1191 | rc->schedule = scheduleoneshot(time(NULL)+trojanscan_part_time, &trojanscan_dopart, (void *)rc); | |
1192 | ||
1193 | if (rp) { | |
1194 | for(;rp->next;rp=rp->next); | |
1195 | rp->next = rc; | |
1196 | } else { | |
1197 | trojanscan_realchanlist = rc; | |
1198 | } | |
1199 | } | |
1200 | } | |
1201 | ||
1202 | } | |
1203 | ||
1204 | int trojanscan_userjoin(void *sender, int cargc, char **cargv) { | |
1205 | nick *np = (nick *)sender; | |
1206 | struct trojanscan_realchannels *rc; | |
1207 | ||
1208 | if (cargc < 1) { | |
1209 | trojanscan_reply(np, "Not enough paramaters"); | |
1210 | return CMD_ERROR; | |
1211 | } | |
1212 | ||
1213 | if (!trojanscan_swarm_created) { | |
1214 | trojanscan_reply(np, "My swarm is currently empty."); | |
1215 | return CMD_OK; | |
1216 | } | |
1217 | ||
1218 | if((rc = trojanscan_allocaterc(cargv[0]))) { | |
1219 | trojanscan_log(np, "join", cargv[0]); | |
1220 | trojanscan_join(rc); | |
1221 | trojanscan_reply(np, "Clone has joined channel."); | |
1222 | if(!IsOper(np)) | |
1223 | trojanscan_mainchanmsg("n: join: %s (%s/%s)", cargv[0], np->nick, np->authname); | |
1224 | } else { | |
1225 | if (trojanscan_errorcode == 5) { | |
1226 | trojanscan_reply(np, "Not joining empty channel, check you entered the correct channel name."); | |
1227 | } else { | |
1228 | trojanscan_reply(np, "Clone could not join channel (error code %d)!", trojanscan_errorcode); | |
1229 | } | |
1230 | } | |
1231 | return CMD_OK; | |
1232 | } | |
1233 | ||
1234 | int trojanscan_rehash(void *sender, int cargc, char **cargv) { | |
1235 | nick *np = (void *)sender; | |
1236 | trojanscan_refresh_settings(); | |
1237 | trojanscan_read_database(0); | |
1238 | trojanscan_log(np, "rehash", ""); | |
1239 | trojanscan_reply(np, "Done."); | |
1240 | return CMD_OK; | |
1241 | } | |
1242 | ||
1243 | int trojanscan_changelev(void *sender, int cargc, char **cargv) { | |
1244 | nick *np = (nick *)sender, *np2; | |
1245 | int templevel; | |
1246 | char eaccount[TROJANSCAN_QUERY_TEMP_BUF_SIZE], *tochange, *p, mode = 1, error = 0, clast = 0, specialcase; | |
1247 | union trojanscan_userlevel flags1, flags2; | |
1248 | ||
1249 | if (cargc < 2) { | |
1250 | trojanscan_reply(np, "Not enough parameters."); | |
1251 | return CMD_ERROR; | |
1252 | } | |
1253 | ||
1254 | templevel = trojanscan_user_level_by_authname(np->authname); | |
1255 | ||
1256 | if (templevel == -1) { | |
1257 | trojanscan_reply(np, "You do not have an account."); | |
1258 | return CMD_ERROR; | |
1259 | } | |
1260 | ||
1261 | flags1.number = templevel; | |
1262 | ||
1263 | if (cargv[0][0] == '#') { | |
1264 | tochange = cargv[0] + 1; | |
1265 | } else { | |
1266 | np2 = getnickbynick(cargv[0]); | |
1267 | if (!np2) { | |
1268 | trojanscan_reply(np, "That nickname is not on the network."); | |
1269 | return CMD_ERROR; | |
1270 | } | |
1271 | if (!IsAccount(np2)) { | |
1272 | trojanscan_reply(np, "That user is not authed with the network."); | |
1273 | return CMD_ERROR; | |
1274 | } | |
1275 | tochange = np2->authname; | |
1276 | } | |
1277 | ||
1278 | templevel = trojanscan_user_level_by_authname(tochange); | |
1279 | ||
1280 | if (templevel == -1) { | |
1281 | trojanscan_reply(np, "User does not exist."); | |
1282 | return CMD_ERROR; | |
1283 | } | |
1284 | ||
1285 | flags2.number = templevel; | |
1286 | ||
1287 | if (!ircd_strcmp(np->authname, tochange)) { | |
1288 | specialcase = 1; | |
1289 | } else { | |
1290 | specialcase = 0; | |
1291 | } | |
1292 | ||
1293 | for (p=cargv[1];*p;p++) { | |
1294 | switch (*p) { | |
1295 | case '+': | |
1296 | case '-': | |
1297 | mode = (*p == '+'); | |
1298 | break; | |
1299 | case 'd': | |
1300 | if (!TrojanscanIsDeveloper(flags1)) | |
1301 | clast = 1; | |
1302 | flags2.values.developer = mode; | |
1303 | break; | |
1304 | case 't': | |
1305 | if (!TrojanscanIsDeveloper(flags1)) | |
1306 | clast = 1; | |
1307 | flags2.values.teamleader = mode; | |
1308 | break; | |
1309 | case 's': | |
1310 | if (!TrojanscanIsLeastTeamLeader(flags1)) | |
1311 | clast = 1; | |
1312 | flags2.values.staff = mode; | |
1313 | break; | |
1314 | case 'w': | |
1315 | if (!TrojanscanIsDeveloper(flags1)) | |
1316 | clast = 1; | |
1317 | flags2.values.website = mode; | |
1318 | break; | |
1319 | case 'c': | |
1320 | if (!TrojanscanIsDeveloper(flags1)) | |
1321 | clast = 1; | |
1322 | flags2.values.cat = mode; | |
1323 | break; | |
1324 | default: | |
1325 | error = 1; | |
1326 | goto last; | |
1327 | break; | |
1328 | } | |
1329 | if (clast == 1) { | |
1330 | if (specialcase && !mode) { /* allow user to remove their own flags */ | |
1331 | clast = 0; | |
1332 | } else { | |
1333 | goto last; | |
1334 | } | |
1335 | } | |
1336 | } | |
1337 | ||
1338 | last: | |
1339 | if (*p) { | |
1340 | if (error) { | |
1341 | trojanscan_reply(np, "Unknown mode: %c%c.", mode?'+':'-', *p); | |
1342 | } else { | |
1343 | trojanscan_reply(np, "You have insufficient privilidges to add/remove one or more flags specified."); | |
1344 | } | |
1345 | return CMD_ERROR; | |
1346 | } | |
1347 | ||
1348 | trojanscan_log(np, "changelev", "%s %s", tochange, cargv[1]); | |
1349 | trojanscan_database_escape_string(eaccount, tochange, strlen(tochange)); | |
1350 | trojanscan_database_query("UPDATE users SET authlevel = %d WHERE authname = '%s'", flags2.number, eaccount); | |
1351 | ||
1352 | trojanscan_reply(np, "Flags changed."); | |
1353 | ||
1354 | return CMD_OK; | |
1355 | } | |
1356 | ||
1357 | int trojanscan_deluser(void *sender, int cargc, char **cargv) { | |
1358 | nick *np = (nick *)sender, *to; | |
1359 | int templevel; | |
1360 | char eaccount[TROJANSCAN_QUERY_TEMP_BUF_SIZE], *account; | |
1361 | union trojanscan_userlevel flags1, flags2; | |
1362 | ||
1363 | if (cargc < 1) { | |
1364 | trojanscan_reply(np, "Not enough parameters."); | |
1365 | return CMD_ERROR; | |
1366 | } | |
1367 | ||
1368 | if (cargv[0][0] == '#') { | |
1369 | account = cargv[0] + 1; | |
1370 | } else { | |
1371 | to = getnickbynick(cargv[0]); | |
1372 | if (!to) { | |
1373 | trojanscan_reply(np, "That nickname is not on the network."); | |
1374 | return CMD_ERROR; | |
1375 | } | |
1376 | if (!IsAccount(to)) { | |
1377 | trojanscan_reply(np, "That user is not authed with the network."); | |
1378 | return CMD_ERROR; | |
1379 | } | |
1380 | account = to->authname; | |
1381 | } | |
1382 | ||
1383 | flags1.number = trojanscan_user_level_by_authname(np->authname); | |
1384 | templevel = trojanscan_user_level_by_authname(account); | |
1385 | ||
1386 | if (templevel == -1) { | |
1387 | trojanscan_reply(np, "Auth %s does not exist.", account); | |
1388 | return CMD_ERROR; | |
1389 | } | |
1390 | ||
1391 | flags2.number = templevel; | |
1392 | ||
1393 | if (!TrojanscanIsDeveloper(flags1) && TrojanscanIsLeastTeamLeader(flags2)) { | |
1394 | trojanscan_reply(np, "Your cannot delete %s as his/her flags equal or surpass your own.", account); | |
1395 | return CMD_ERROR; | |
1396 | } | |
1397 | ||
1398 | trojanscan_log(np, "deluser", account); | |
1399 | trojanscan_database_escape_string(eaccount, account, strlen(account)); | |
1400 | trojanscan_database_query("DELETE FROM users WHERE authname = '%s'", eaccount); | |
1401 | trojanscan_reply(np, "User deleted."); | |
1402 | ||
1403 | return CMD_OK; | |
1404 | } | |
1405 | ||
1406 | int trojanscan_add_ll(struct trojanscan_prechannels **head, struct trojanscan_prechannels *newitem) { | |
1407 | struct trojanscan_prechannels *position, *lastitem = NULL, *location = NULL; | |
1408 | if (!*head) { | |
1409 | *head = newitem; | |
1410 | newitem->next = NULL; | |
1411 | if (newitem->exempt) { | |
1412 | return 0; | |
1413 | } else { | |
1414 | return 1; | |
1415 | } | |
1416 | } | |
1417 | /* if its exempt, we don't give a monkeys where it is... */ | |
1418 | if (newitem->exempt) { | |
1419 | newitem->next = *head; | |
1420 | *head = newitem; | |
1421 | return 0; | |
1422 | } | |
1423 | ||
1424 | for(position=*head;position;lastitem=position,position=position->next) { | |
1425 | if (!ircd_strcmp(position->name->content, newitem->name->content)) { | |
1426 | tfree(newitem); | |
1427 | return 0; | |
1428 | } | |
1429 | if (!location && (position->size < newitem->size)) { | |
1430 | if (!lastitem) { | |
1431 | location = *head; | |
1432 | } else { | |
1433 | location = lastitem; | |
1434 | } | |
1435 | } | |
1436 | } | |
1437 | if (!location) { | |
1438 | newitem->next = NULL; | |
1439 | lastitem->next = newitem; | |
1440 | } else { | |
1441 | newitem->next = location->next; | |
1442 | location->next = newitem; | |
1443 | } | |
1444 | if(newitem->exempt) { | |
1445 | return 0; | |
1446 | } else { | |
1447 | return 1; | |
1448 | } | |
1449 | } | |
1450 | ||
1451 | void trojanscan_watch_clone_update(struct trojanscan_prechannels *hp, int count) { | |
1452 | int i, j, marked; | |
1453 | struct trojanscan_prechannels *lp; | |
1454 | struct trojanscan_templist *markedlist = NULL; | |
1455 | ||
1456 | if(count > 0) { | |
1457 | markedlist = (struct trojanscan_templist *)tmalloc(count * sizeof(struct trojanscan_templist)); | |
1458 | if (!markedlist) | |
1459 | return; | |
1460 | memset(markedlist, 0, sizeof(struct trojanscan_templist) * count); | |
1461 | } | |
1462 | ||
1463 | for(i=0;i<trojanscan_activechans;i++) { | |
1464 | marked = 0; | |
1465 | if(markedlist) { | |
1466 | for(lp=hp,j=0;j<count&&lp;j++,lp=lp->next) { | |
1467 | if(!markedlist[j].active && !lp->exempt && !ircd_strcmp(lp->name->content, trojanscan_chans[i].channel->content)) { /* we're already on the channel */ | |
1468 | if(trojanscan_chans[i].watch_clone) { | |
1469 | markedlist[j].active = 1; | |
1470 | markedlist[j].watch_clone = trojanscan_chans[i].watch_clone; | |
1471 | lp->watch_clone = trojanscan_chans[i].watch_clone; | |
1472 | } | |
1473 | marked = 1; | |
1474 | break; | |
1475 | } | |
1476 | } | |
1477 | } | |
1478 | if(!marked && trojanscan_chans[i].watch_clone) { | |
1479 | channel *cp = findchannel(trojanscan_chans[i].channel->content); | |
1480 | if(cp) | |
1481 | localpartchannel(trojanscan_chans[i].watch_clone->clone, cp, NULL); | |
1482 | } | |
1483 | } | |
1484 | ||
1485 | if(!markedlist) | |
1486 | return; | |
1487 | ||
1488 | for(j=0,lp=hp;j<count&&lp;j++,lp=lp->next) { | |
1489 | if((!markedlist[j].active || !markedlist[j].watch_clone) && !lp->exempt) { | |
1490 | channel *cp = findchannel(lp->name->content); | |
1491 | if(cp) { | |
1492 | int attempts = 10; | |
1493 | do { | |
1494 | lp->watch_clone = trojanscan_selectclone(TROJANSCAN_WATCH_CLONES); | |
1495 | if(!lp->watch_clone) | |
1496 | break; | |
1497 | if(!trojanscan_nickbanned(lp->watch_clone, cp)) { | |
1498 | if(localjoinchannel(lp->watch_clone->clone, cp)) | |
1499 | lp->watch_clone = NULL; | |
1500 | break; | |
1501 | } | |
1502 | } while(--attempts > 0); | |
1503 | if(!attempts) | |
1504 | lp->watch_clone = NULL; | |
1505 | ||
1506 | } | |
1507 | } | |
1508 | } | |
1509 | ||
1510 | tfree(markedlist); | |
1511 | } | |
1512 | ||
1513 | void trojanscan_fill_channels(void *arg) { | |
1514 | struct trojanscan_prechannels *head = NULL, *lp, *last = NULL; | |
1515 | int i, count, tempctime = 0; | |
1516 | ||
1517 | chanindex *chn; | |
1518 | ||
1519 | for (count=i=0;i<trojanscan_database.total_channels;i++) { | |
1520 | lp = (trojanscan_prechannels *)tmalloc(sizeof(trojanscan_prechannels)); | |
1521 | lp->name = trojanscan_database.channels[i].name; | |
1522 | lp->size = 65535; | |
1523 | lp->exempt = trojanscan_database.channels[i].exempt; | |
1524 | lp->watch_clone = NULL; | |
1525 | if (trojanscan_add_ll(&head, lp)) | |
1526 | count++; | |
1527 | } | |
1528 | ||
1529 | for (i=0;i<CHANNELHASHSIZE;i++) { | |
1530 | for(chn=chantable[i];chn;chn=chn->next) { | |
1531 | if (chn->channel && !IsKey(chn->channel) && !IsInviteOnly(chn->channel) && !IsRegOnly(chn->channel) && (chn->channel->users->totalusers >= trojanscan_minchansize)) { | |
1532 | lp = (trojanscan_prechannels *)tmalloc(sizeof(trojanscan_prechannels)); | |
1533 | lp->name = chn->name; | |
1534 | lp->size = chn->channel->users->totalusers; | |
1535 | lp->exempt = 0; | |
1536 | lp->watch_clone = NULL; | |
1537 | if (trojanscan_add_ll(&head, lp)) | |
1538 | count++; | |
1539 | } | |
1540 | } | |
1541 | } | |
1542 | ||
1543 | count = TROJANSCAN_MMIN(count, trojanscan_maxchans); | |
1544 | ||
1545 | trojanscan_watch_clone_update(head, count); | |
1546 | ||
1547 | trojanscan_free_channels(); | |
1548 | trojanscan_chans = (struct trojanscan_inchannel *)tmalloc(count * sizeof(struct trojanscan_inchannel)); | |
1549 | memset(trojanscan_chans, 0, count * sizeof(struct trojanscan_inchannel)); | |
1550 | trojanscan_activechans = count; | |
1551 | i = 0; | |
1552 | ||
1553 | for(lp=head;lp;last=lp,lp=lp->next) { | |
1554 | if (!(lp->exempt) && (i < count)) { | |
1555 | trojanscan_chans[i].channel = getsstring(lp->name->content, lp->name->length); | |
1556 | trojanscan_chans[i++].watch_clone = lp->watch_clone; | |
1557 | } | |
1558 | if (last) | |
1559 | tfree(last); | |
1560 | } | |
1561 | ||
1562 | if (last) | |
1563 | tfree(last); | |
1564 | ||
1565 | if (trojanscan_activechans > 0) { | |
1566 | tempctime = trojanscan_cycletime / trojanscan_activechans; | |
1567 | } else { | |
1568 | tempctime = 60; | |
1569 | trojanscan_mainchanmsg("d: just escaped a divide by zero error (no activechans!), rescheduling in 60 seconds"); | |
1570 | } | |
1571 | ||
1572 | if(trojanscan_schedule) | |
1573 | deleteschedule(trojanscan_schedule, &trojanscan_dojoin, NULL); | |
1574 | ||
1575 | trojanscan_channumber = 0; | |
1576 | ||
1577 | trojanscan_schedule = schedulerecurring(time(NULL) + tempctime, trojanscan_activechans + 1, tempctime, trojanscan_dojoin, NULL); | |
1578 | ||
1579 | } | |
1580 | ||
1581 | void trojanscan_dojoin(void *arg) { | |
1582 | struct trojanscan_realchannels *rc; | |
1583 | if (trojanscan_channumber >= trojanscan_activechans) { | |
1584 | trojanscan_schedule = NULL; | |
1585 | trojanscan_fill_channels(NULL); | |
1586 | } else { | |
1587 | if ((rc = trojanscan_allocaterc(trojanscan_chans[trojanscan_channumber++].channel->content))) | |
1588 | trojanscan_join(rc); | |
1589 | } | |
1590 | } | |
1591 | ||
1592 | ||
1593 | void trojanscan_dopart(void *arg) { | |
1594 | struct trojanscan_realchannels *rc = (struct trojanscan_realchannels *)arg, *rp, *past = NULL; | |
1595 | ||
1596 | if (rc->kickedout) { /* there's a join scheduled, wait for it (reschedule) */ | |
1597 | rc->schedule = scheduleoneshot(time(NULL)+5, &trojanscan_dopart, (void *)rc); | |
1598 | return; | |
1599 | } | |
1600 | ||
1601 | if (rc->clone->clone && (!(rc->donotpart))) | |
1602 | localpartchannel(rc->clone->clone, rc->chan, NULL); | |
1603 | ||
1604 | rc->clone->sitting--; | |
1605 | ||
1606 | for(rp=trojanscan_realchanlist;rp;rp=rp->next) { | |
1607 | if (rp == rc) { | |
1608 | if (!past) { | |
1609 | trojanscan_realchanlist = rp->next; | |
1610 | } else { | |
1611 | past->next = rp->next; | |
1612 | } | |
1613 | tfree(rp); | |
1614 | break; | |
1615 | } | |
1616 | past = rp; | |
1617 | } | |
1618 | ||
1619 | } | |
1620 | ||
1621 | void trojanscan_donickchange(void *arg) { /* just incase I choose to make this schedule at some point */ | |
1622 | struct trojanscan_clones *clone = (trojanscan_clones *)arg; | |
1623 | if (clone && clone->clone) { | |
1624 | char c_nick[NICKLEN+1]; | |
1625 | int loops = 0; | |
1626 | /* PPA: unlikely to be infinite */ | |
1627 | do { | |
1628 | if ((loops++ < 10) && trojanscan_hostmode) { | |
1629 | trojanscan_generatenick(c_nick, NICKLEN); | |
1630 | } else { | |
1631 | trojanscan_gennick(c_nick, trojanscan_minmaxrand(7, TROJANSCAN_MMIN(13, NICKLEN))); | |
1632 | } | |
1633 | } while (c_nick[0] && (getnickbynick(c_nick) != NULL)); | |
1634 | ||
1635 | renamelocaluser(clone->clone, c_nick); | |
1636 | } | |
1637 | ||
1638 | } | |
1639 | ||
1640 | int trojanscan_keysort(const void *v1, const void *v2) { | |
1641 | return ((*(trojanscan_prechannels **)v2)->size - (*(trojanscan_prechannels **)v1)->size); | |
1642 | } | |
1643 | ||
1644 | int trojanscan_showcommands(void *sender, int cargc, char **cargv) { | |
1645 | nick *np = (nick *)sender; | |
1646 | Command *cmdlist[100]; | |
1647 | int i, n; | |
1648 | char level = 0; | |
1649 | ||
1650 | n = getcommandlist(trojanscan_cmds, cmdlist, 100); | |
1651 | ||
1652 | trojanscan_reply(np, "The following commands are registered at present:"); | |
1653 | ||
1654 | for(i=0;i<n;i++) { | |
1655 | if (cmdlist[i]->level & TROJANSCAN_ACL_STAFF) { | |
1656 | level = 's'; | |
1657 | } else if (cmdlist[i]->level & TROJANSCAN_ACL_DEVELOPER) { | |
1658 | level = 'd'; | |
1659 | } else if (cmdlist[i]->level & TROJANSCAN_ACL_TEAMLEADER) { | |
1660 | level = 't'; | |
1661 | } else if (cmdlist[i]->level & TROJANSCAN_ACL_CAT) { | |
1662 | level = 'c'; | |
1663 | } else if (cmdlist[i]->level & TROJANSCAN_ACL_WEBSITE) { | |
1664 | level = 'w'; | |
1665 | } else if (cmdlist[i]->level & TROJANSCAN_ACL_UNAUTHED) { | |
1666 | level = 0; | |
1667 | } | |
1668 | if (level) { | |
1669 | trojanscan_reply(np, "%s (+%c)", cmdlist[i]->command->content, level); | |
1670 | } else { | |
1671 | trojanscan_reply(np, "%s", cmdlist[i]->command->content); | |
1672 | } | |
1673 | } | |
1674 | trojanscan_reply(np, "End of list."); | |
1675 | return CMD_OK; | |
1676 | } | |
1677 | ||
1678 | void trojanscan_handlemessages(nick *target, int messagetype, void **args) { | |
1679 | Command *cmd; | |
1680 | char *cargv[50]; | |
1681 | int cargc, templevel; | |
1682 | nick *sender; | |
1683 | union trojanscan_userlevel level; | |
1684 | ||
1685 | switch(messagetype) { | |
1686 | case LU_PRIVMSG: | |
1687 | case LU_SECUREMSG: | |
1688 | /* If it's a message, first arg is nick and second is message */ | |
1689 | sender = (nick *)args[0]; | |
1690 | ||
1691 | if(strncmp(TROJANSCAN_VERSION_DETECT, args[1], sizeof(TROJANSCAN_VERSION_DETECT)-1)==0) { | |
1692 | char p = ((char *)args[1])[sizeof(TROJANSCAN_VERSION_DETECT)-1]; | |
1693 | if((p == ' ') || (p == '\0') || (p == 1)) { | |
1694 | trojanscan_reply(sender, "\001VERSION Trojanscan (or Tigger) Newserv module version %s by Chris Porter (slug), Newserv by David Mansell (splidge). Compiled " __DATE__ " " __TIME__ ".\001", TROJANSCAN_VERSION); | |
1695 | return; | |
1696 | } | |
1697 | } | |
1698 | ||
1699 | /* Split the line into params */ | |
1700 | cargc = splitline((char *)args[1], cargv, 50, 0); | |
1701 | if(cargc == 0 || !cargv[0]) | |
1702 | return; | |
1703 | ||
1704 | cmd=findcommandintree(trojanscan_cmds, cargv[0], 1); | |
1705 | if (!cmd) { | |
1706 | trojanscan_reply(sender, "Unknown command."); | |
1707 | return; | |
1708 | } | |
1709 | ||
1710 | if ((cmd->level & TROJANSCAN_ACL_OPER) && !IsOper(sender)) { | |
1711 | trojanscan_reply(sender, "You need to be opered to use this command."); | |
1712 | return; | |
1713 | } | |
1714 | ||
1715 | /* bit grim code... */ | |
1716 | ||
1717 | if (!(cmd->level & TROJANSCAN_ACL_UNAUTHED)) { | |
1718 | if (!IsAccount(sender)) { | |
1719 | trojanscan_reply(sender, "You must be authed with the network to access this command!"); | |
1720 | return; | |
1721 | } | |
1722 | templevel = trojanscan_user_level_by_authname(sender->authname); | |
1723 | ||
1724 | if (templevel == -1) { | |
1725 | trojanscan_reply(sender, "You do not have an account."); | |
1726 | return; | |
1727 | } | |
1728 | ||
1729 | level.number = templevel; | |
1730 | ||
1731 | if ((cmd->level & TROJANSCAN_ACL_DEVELOPER) && !TrojanscanIsDeveloper(level)) { | |
1732 | trojanscan_reply(sender, "Access denied."); | |
1733 | return; | |
1734 | } | |
1735 | if ((cmd->level & TROJANSCAN_ACL_TEAMLEADER) && !TrojanscanIsLeastTeamLeader(level)) { | |
1736 | trojanscan_reply(sender, "Access denied."); | |
1737 | return; | |
1738 | } | |
1739 | if ((cmd->level & TROJANSCAN_ACL_STAFF) && !TrojanscanIsLeastStaff(level)) { | |
1740 | trojanscan_reply(sender, "Access denied."); | |
1741 | return; | |
1742 | } | |
1743 | if ((cmd->level & TROJANSCAN_ACL_CAT) && !TrojanscanIsCat(level)) { | |
1744 | trojanscan_reply(sender, "Access denied."); | |
1745 | return; | |
1746 | } | |
1747 | if ((cmd->level & TROJANSCAN_ACL_WEBSITE) && !TrojanscanIsLeastWebsite(level)) { | |
1748 | trojanscan_reply(sender, "Access denied."); | |
1749 | return; | |
1750 | } | |
1751 | } | |
1752 | ||
1753 | /* Check the maxargs */ | |
1754 | if (cmd->maxparams<(cargc-1)) { | |
1755 | /* We need to do some rejoining */ | |
1756 | rejoinline(cargv[cmd->maxparams], cargc-(cmd->maxparams)); | |
1757 | cargc = (cmd->maxparams) + 1; | |
1758 | } | |
1759 | ||
1760 | (cmd->handler)((void *)sender, cargc - 1, &(cargv[1])); | |
1761 | break; | |
1762 | ||
1763 | case LU_KILLED: | |
1764 | /* someone killed me? Bastards */ | |
1765 | trojanscan_connect_nick_schedule = scheduleoneshot(time(NULL) + 1, &trojanscan_connect_nick, NULL); | |
1766 | trojanscan_nick = NULL; | |
1767 | break; | |
1768 | ||
1769 | default: | |
1770 | break; | |
1771 | } | |
1772 | } | |
1773 | ||
1774 | static char trojanscan_getmtfromhooktype(int input) { | |
1775 | switch(input) { | |
1776 | case HOOK_CHANNEL_PART: return 'P'; | |
1777 | default: return '?'; | |
1778 | } | |
1779 | } | |
1780 | ||
1781 | char trojanscan_getmtfrommessagetype(int input) { | |
1782 | switch(input) { | |
1783 | case LU_PRIVMSG: return 'm'; | |
1784 | case LU_PRIVNOTICE: return 'n'; | |
1785 | case LU_SECUREMSG: return 's'; | |
1786 | case LU_CHANMSG: return 'M'; | |
1787 | case LU_CHANNOTICE: return 'N'; | |
1788 | default: return '?'; | |
1789 | } | |
1790 | } | |
1791 | ||
1792 | static void trojanscan_process(nick *sender, channel *cp, char mt, char *pretext) { | |
1793 | char text[513]; | |
1794 | unsigned int len; | |
1795 | unsigned int i; | |
1796 | struct trojanscan_worms *worm; | |
1797 | int vector[30], detected = 0; | |
1798 | ||
1799 | trojanscan_strip_codes(text, sizeof(text) - 1, pretext); | |
1800 | ||
1801 | len = strlen(text); | |
1802 | ||
1803 | for(i=0;i<trojanscan_database.total_phrases;i++) { | |
1804 | if ( | |
1805 | ( | |
1806 | (worm = trojanscan_database.phrases[i].worm) | |
1807 | ) && | |
1808 | ( | |
1809 | ( | |
1810 | ( | |
1811 | (mt == 'm') || (mt == 's') || (mt == 'n') | |
1812 | ) && | |
1813 | ( | |
1814 | (trojanscan_database.phrases[i].worm->hitpriv) | |
1815 | ) | |
1816 | ) || | |
1817 | ( | |
1818 | ( | |
1819 | (mt == 'M') || (mt == 'N') || (mt == 'P') | |
1820 | ) && | |
1821 | ( | |
1822 | (trojanscan_database.phrases[i].worm->hitchans) | |
1823 | ) | |
1824 | ) | |
1825 | ) && | |
1826 | (trojanscan_database.phrases[i].phrase) | |
1827 | ) { | |
1828 | int pre = pcre_exec(trojanscan_database.phrases[i].phrase, trojanscan_database.phrases[i].hint, text, len, 0, 0, vector, 30); | |
1829 | if(pre >= 0) { | |
1830 | char matchbuf[513]; | |
1831 | matchbuf[0] = 0; | |
1832 | matchbuf[512] = 0; /* hmm */ | |
1833 | ||
1834 | if(pre > 1) | |
1835 | if(pcre_copy_substring(text, vector, pre, 1, matchbuf, sizeof(matchbuf) - 1) <= 0) | |
1836 | matchbuf[0] = 0; | |
1837 | ||
1838 | trojanscan_phrasematch(cp, sender, &trojanscan_database.phrases[i], mt, matchbuf); | |
1839 | ||
1840 | detected = 1; | |
1841 | break; | |
1842 | } | |
1843 | } | |
1844 | } | |
1845 | if (!detected && (mt != 'N') && (mt != 'M')) { | |
1846 | char etext[TROJANSCAN_QUERY_TEMP_BUF_SIZE], enick[TROJANSCAN_QUERY_TEMP_BUF_SIZE], eident[TROJANSCAN_QUERY_TEMP_BUF_SIZE], ehost[TROJANSCAN_QUERY_TEMP_BUF_SIZE]; | |
1847 | trojanscan_database_escape_string(etext, text, len); | |
1848 | trojanscan_database_escape_string(enick, sender->nick, strlen(sender->nick)); | |
1849 | trojanscan_database_escape_string(eident, sender->ident, strlen(sender->ident)); | |
1850 | trojanscan_database_escape_string(ehost, sender->host->name->content, sender->host->name->length); | |
1851 | trojanscan_database_query("INSERT INTO unknownlog (data, user) VALUES ('%s','%s!%s@%s')", etext, enick, eident, ehost); | |
1852 | } | |
1853 | } | |
1854 | ||
1855 | void trojanscan_clonehandlemessages(nick *target, int messagetype, void **args) { | |
1856 | char *pretext = NULL; | |
1857 | nick *sender; | |
1858 | struct trojanscan_realchannels *rp; | |
1859 | struct trojanscan_rejoinlist *rj; | |
1860 | char mt = trojanscan_getmtfrommessagetype(messagetype); | |
1861 | char *channel_name; | |
1862 | channel *cp = NULL; | |
1863 | int i; | |
1864 | ||
1865 | switch(messagetype) { | |
1866 | case LU_PRIVMSG: | |
1867 | case LU_SECUREMSG: | |
1868 | case LU_PRIVNOTICE: | |
1869 | ||
1870 | pretext = (char *)args[1]; | |
1871 | ||
1872 | case LU_CHANMSG: | |
1873 | case LU_CHANNOTICE: | |
1874 | sender = (nick *)args[0]; | |
1875 | ||
1876 | if (strlen(sender->nick) < 2) | |
1877 | break; | |
1878 | ||
1879 | if (!pretext) { | |
1880 | pretext = (char *)args[2]; | |
1881 | cp = args[1]; | |
1882 | } | |
1883 | ||
1884 | if(strncmp(TROJANSCAN_VERSION_DETECT, pretext, sizeof(TROJANSCAN_VERSION_DETECT)-1)==0) { | |
1885 | char p = pretext[sizeof(TROJANSCAN_VERSION_DETECT)-1]; | |
1886 | if((p == ' ') || (p == '\0') || (p == 1)) { | |
1887 | int staff = 0; | |
1888 | if (IsOper(sender)) { | |
1889 | staff = 1; | |
1890 | } else { | |
1891 | if (IsAccount(sender)) { | |
1892 | int templevel = trojanscan_user_level_by_authname(sender->authname); | |
1893 | if (templevel != -1) { | |
1894 | union trojanscan_userlevel level; | |
1895 | level.number = templevel; | |
1896 | if (TrojanscanIsLeastStaff(level)) | |
1897 | staff = 1; | |
1898 | } | |
1899 | } | |
1900 | } | |
1901 | if (staff) { | |
1902 | if(trojanscan_nick) { | |
1903 | sendnoticetouser(target, sender, "\001VERSION T clone, check T for confirmation.\001"); | |
1904 | sendnoticetouser(trojanscan_nick, sender, "\001VERSION %s is part of my swarm.\001", target->nick); | |
1905 | } else { | |
1906 | sendnoticetouser(target, sender, "\001VERSION T clone, though since T is currently gone you'll have to version me again in a minute for confirmation.\001"); | |
1907 | } | |
1908 | } else { | |
1909 | sendnoticetouser(target, sender, "\001VERSION %s\001", versionreply); | |
1910 | } | |
1911 | ||
1912 | return; | |
1913 | } | |
1914 | } | |
1915 | ||
1916 | trojanscan_process(sender, cp, mt, pretext); | |
1917 | break; | |
1918 | case LU_KILLED: | |
1919 | /* someone killed me? Bastards */ | |
1920 | ||
1921 | /* PPA: we do NOT rejoin channels at this moment in time, it is possible to do this though */ | |
1922 | for (i=0;i<TROJANSCAN_CLONE_TOTAL;i++) { | |
1923 | if (trojanscan_swarm[i].clone == target) { | |
1924 | ||
1925 | scheduleoneshot(time(NULL)+1, &trojanscan_generateclone, (void *)((long)i)); | |
1926 | if(i >= TROJANSCAN_CLONE_MAX) { | |
1927 | int j; | |
1928 | for(j=0;j<trojanscan_activechans;j++) | |
1929 | if(trojanscan_chans[j].watch_clone == &trojanscan_swarm[i]) | |
1930 | trojanscan_chans[j].watch_clone = NULL; | |
1931 | } else { | |
1932 | for(rp=trojanscan_realchanlist;rp;rp=rp->next) | |
1933 | if (rp->clone == &(trojanscan_swarm[i])) | |
1934 | rp->donotpart = 1; | |
1935 | } | |
1936 | derefnode(iptree, trojanscan_swarm[i].fakeipnode); | |
1937 | trojanscan_swarm[i].clone = NULL; | |
1938 | trojanscan_swarm[i].remaining = 0; /* bah */ | |
1939 | break; | |
1940 | } | |
1941 | } | |
1942 | break; | |
1943 | ||
1944 | case LU_KICKED: | |
1945 | channel_name = ((channel *)args[1])->index->name->content; | |
1946 | for (i=0;i<trojanscan_activechans;i++) { | |
1947 | if (!trojanscan_chans[i].watch_clone) | |
1948 | continue; | |
1949 | if ((trojanscan_chans[i].watch_clone->clone == target) && (!strcmp(trojanscan_chans[i].channel->content, channel_name))) | |
1950 | break; | |
1951 | } | |
1952 | if(i != trojanscan_activechans) { | |
1953 | int j; | |
1954 | for(j=0;j<TROJANSCAN_CLONE_TOTAL;j++) { | |
1955 | if(&trojanscan_swarm[j] == trojanscan_chans[i].watch_clone) { | |
1956 | trojanscan_chans[i].watch_clone = NULL; | |
1957 | break; | |
1958 | } | |
1959 | } | |
1960 | } else { | |
1961 | /* | |
1962 | trojanscan_mainchanmsg("k: %s on %s by %s", target->nick, ((channel *)args[1])->index->name->content, (((nick *)args[0])->nick)?(((nick *)args[0])->nick):"(server)"); | |
1963 | */ | |
1964 | rj = (struct trojanscan_rejoinlist *)tmalloc(sizeof(struct trojanscan_rejoinlist)); | |
1965 | if (rj) { | |
1966 | rj->rp = NULL; | |
1967 | for(rp=trojanscan_realchanlist;rp;rp=rp->next) | |
1968 | if ((rp->clone->clone == target) && (rp->chan == args[1])) { | |
1969 | rp->kickedout++; | |
1970 | rj->rp = rp; | |
1971 | break; | |
1972 | } | |
1973 | if(!rj->rp) { | |
1974 | tfree(rj); | |
1975 | return; | |
1976 | } | |
1977 | ||
1978 | rj->channel = getsstring(((channel *)args[1])->index->name->content, ((channel *)args[1])->index->name->length); | |
1979 | if(!rj->channel) { | |
1980 | trojanscan_mainchanmsg("d: unable to allocate memory for channel: %s upon rejoin", ((channel *)args[1])->index->name->content); | |
1981 | tfree(rj); | |
1982 | return; | |
1983 | } | |
1984 | ||
1985 | rj->clone = rp->clone; | |
1986 | rj->next = trojanscan_schedulerejoins; | |
1987 | trojanscan_schedulerejoins = rj; | |
1988 | ||
1989 | rj->schedule = scheduleoneshot(time(NULL)+1, &trojanscan_rejoin_channel, (void *)rj); | |
1990 | } | |
1991 | } | |
1992 | break; | |
1993 | default: | |
1994 | break; | |
1995 | } | |
1996 | } | |
1997 | ||
1998 | static void trojanscan_part_watch(int hook, void *arg) { | |
1999 | void **arglist = (void **)arg; | |
2000 | channel *cp = (channel *)arglist[0]; | |
2001 | nick *np = arglist[1]; | |
2002 | char *reason = arglist[2]; | |
2003 | ||
2004 | if(!cp || !np || !reason || (*reason == '\0')) | |
2005 | return; | |
2006 | ||
2007 | trojanscan_process(np, cp, trojanscan_getmtfromhooktype(hook), reason); | |
2008 | } | |
2009 | ||
2010 | void trojanscan_phrasematch(channel *chp, nick *sender, trojanscan_phrases *phrase, char messagetype, char *matchbuf) { | |
2011 | char glinemask[HOSTLEN + USERLEN + NICKLEN + 4], enick[TROJANSCAN_QUERY_TEMP_BUF_SIZE], eident[TROJANSCAN_QUERY_TEMP_BUF_SIZE], ehost[TROJANSCAN_QUERY_TEMP_BUF_SIZE]; | |
2012 | unsigned int frequency; | |
2013 | int glining = 0, usercount; | |
2014 | struct trojanscan_worms *worm = phrase->worm; | |
2015 | char reason[200]; | |
2016 | ||
2017 | trojanscan_database.detections++; | |
2018 | ||
2019 | usercount = 0; | |
2020 | if (worm->monitor) { | |
2021 | usercount = -1; | |
2022 | } else if(worm->glinehost || worm->glineuser) { | |
2023 | glining = 1; | |
2024 | ||
2025 | usercount = glinebynick(sender, 0, NULL, GLINE_SIMULATE, "trojanscan"); | |
2026 | } | |
2027 | ||
2028 | if (!usercount) { | |
2029 | trojanscan_mainchanmsg("w: user %s!%s@%s triggered infection monitor, yet no hosts found at stage 2 -- worm: %s", sender->nick, sender->ident, sender->host->name->content, worm->name->content); | |
2030 | return; | |
2031 | } | |
2032 | ||
2033 | if (glining && (usercount > trojanscan_maxusers)) { | |
2034 | trojanscan_mainchanmsg("w: not glining %s!%s@%s due to too many users (%d) with mask: *!%s -- worm: %s)", sender->nick, sender->ident, sender->host->name->content, usercount, glinemask, worm->name->content); | |
2035 | return; | |
2036 | } | |
2037 | ||
2038 | if (glining && !worm->datalen) { | |
2039 | trojanscan_mainchanmsg("w: not glining %s!%s@%s due to too lack of removal data with mask: *!%s (%d users) -- worm: %s)", sender->nick, sender->ident, sender->host->name->content, glinemask, usercount, worm->name->content); | |
2040 | return; | |
2041 | } | |
2042 | ||
2043 | trojanscan_database_escape_string(enick, sender->nick, strlen(sender->nick)); | |
2044 | trojanscan_database_escape_string(eident, sender->ident, strlen(sender->ident)); | |
2045 | trojanscan_database_escape_string(ehost, sender->host->name->content, sender->host->name->length); | |
2046 | ||
2047 | frequency = 1; | |
2048 | ||
2049 | if (!(trojanscan_database_query("SELECT COUNT(*) FROM hits WHERE glined = %d AND host = '%s'", glining, ehost))) { | |
2050 | trojanscan_database_res *res; | |
2051 | if ((res = trojanscan_database_store_result(&trojanscan_sql))) { | |
2052 | trojanscan_database_row sqlrow; | |
2053 | if ((trojanscan_database_num_rows(res) > 0) && (sqlrow = trojanscan_database_fetch_row(res))) | |
2054 | frequency = atoi(sqlrow[0]) + 1; | |
2055 | trojanscan_database_free_result(res); | |
2056 | } | |
2057 | } | |
2058 | ||
2059 | if (!glining) { | |
2060 | trojanscan_mainchanmsg("m: t: %c u: %s!%s@%s%s%s w: %s p: %d %s%s", messagetype, sender->nick, sender->ident, sender->host->name->content, messagetype=='N'||messagetype=='M'||messagetype=='P'?" #: ":"", messagetype=='N'||messagetype=='M'||messagetype=='P'?chp->index->name->content:"", worm->name->content, phrase->id, matchbuf[0]?" --: ":"", matchbuf[0]?matchbuf:""); | |
2061 | #ifdef TROJANSCAN_PEONCHANNEL | |
2062 | trojanscan_peonchanmsg("m: t: %c u: %s!%s@%s%s%s%s w: %s %s%s", messagetype, sender->nick, sender->ident, (IsHideHost(sender)&&IsAccount(sender))?sender->authname:sender->host->name->content, (IsHideHost(sender)&&IsAccount(sender))?"."HIS_HIDDENHOST:"", messagetype=='N'||messagetype=='M'||messagetype=='P'?" #: ":"", messagetype=='N'||messagetype=='M'||messagetype=='P'?chp->index->name->content:"", worm->name->content, matchbuf[0]?" --: ":"", matchbuf[0]?matchbuf:""); | |
2063 | #endif | |
2064 | } else { | |
2065 | int glinetime = TROJANSCAN_FIRST_OFFENSE * frequency * (worm->epidemic?TROJANSCAN_EPIDEMIC_MULTIPLIER:1); | |
2066 | if(glinetime > 7 * 24) | |
2067 | glinetime = 7 * 24; /* can't set glines over 7 days with normal non U:lined glines */ | |
2068 | ||
2069 | trojanscan_database_query("INSERT INTO hits (nickname, ident, host, phrase, messagetype, glined) VALUES ('%s', '%s', '%s', %d, '%c', %d)", enick, eident, ehost, phrase->id, messagetype, glining); | |
2070 | trojanscan_database.glines++; | |
2071 | ||
2072 | snprintf(reason, sizeof(reason), "You (%s!%s@%s) are infected with a trojan (%s/%d), see %s%d for details - banned for %d hours", sender->nick, sender->ident, sender->host->name->content, worm->name->content, phrase->id, TROJANSCAN_URL_PREFIX, worm->id, glinetime); | |
2073 | glinebynick(sender, glinetime * 3600, reason, 0, "trojanscan"); | |
2074 | ||
2075 | trojanscan_mainchanmsg("g: *!%s t: %c u: %s!%s@%s%s%s c: %d w: %s%s p: %d f: %d%s%s", glinemask, messagetype, sender->nick, sender->ident, sender->host->name->content, messagetype=='N'||messagetype=='M'||messagetype=='P'?" #: ":"", messagetype=='N'||messagetype=='M'||messagetype=='P'?chp->index->name->content:"", usercount, worm->name->content, worm->epidemic?"(E)":"", phrase->id, frequency, matchbuf[0]?" --: ":"", matchbuf[0]?matchbuf:""); | |
2076 | } | |
2077 | } | |
2078 | ||
2079 | void trojanscan_rejoin_channel(void *arg) { | |
2080 | struct trojanscan_rejoinlist *rj2, *lrj, *rj = (struct trojanscan_rejoinlist *)arg; | |
2081 | ||
2082 | channel *cp = findchannel(rj->channel->content); | |
2083 | freesstring(rj->channel); | |
2084 | ||
2085 | if (rj->rp) { | |
2086 | rj->rp->kickedout--; | |
2087 | if (!cp) { | |
2088 | rj->rp->donotpart = 1; /* we were the last user on the channel, so we need to be VERY careful freeing it */ | |
2089 | } else { | |
2090 | if(!rj->rp->donotpart && !rj->rp->kickedout) { /* check we're allowed to join channels (not killed), and we're the last one to join */ | |
2091 | if (trojanscan_nickbanned(rj->clone, cp)) { | |
2092 | rj->rp->donotpart = 1; | |
2093 | } else { | |
2094 | localjoinchannel(rj->clone->clone, cp); | |
2095 | } | |
2096 | } | |
2097 | } | |
2098 | } | |
2099 | ||
2100 | rj2 = trojanscan_schedulerejoins; | |
2101 | lrj = NULL; | |
2102 | ||
2103 | if (rj2 == rj) { | |
2104 | trojanscan_schedulerejoins = rj->next; | |
2105 | tfree(rj); | |
2106 | } else { | |
2107 | for(rj2=trojanscan_schedulerejoins;rj2;lrj=rj2,rj2=rj2->next) { | |
2108 | if (rj2 == rj) { | |
2109 | lrj->next = rj2->next; | |
2110 | tfree(rj); | |
2111 | break; | |
2112 | } | |
2113 | } | |
2114 | } | |
2115 | ||
2116 | } | |
2117 | ||
2118 | void trojanscan_reply(nick *target, char *message, ... ) { | |
2119 | char buf[513]; | |
2120 | va_list va; | |
2121 | ||
2122 | if (!trojanscan_nick) | |
2123 | return; | |
2124 | ||
2125 | va_start(va, message); | |
2126 | vsnprintf(buf, sizeof(buf) - 1, message, va); | |
2127 | va_end(va); | |
2128 | ||
2129 | sendnoticetouser(trojanscan_nick, target, "%s", buf); | |
2130 | } | |
2131 | ||
2132 | ||
2133 | void trojanscan_mainchanmsg(char *message, ...) { | |
2134 | char buf[513]; | |
2135 | va_list va; | |
2136 | channel *cp; | |
2137 | ||
2138 | if (!trojanscan_nick) | |
2139 | return; | |
2140 | if (!(cp = findchannel(TROJANSCAN_CHANNEL))) | |
2141 | return; | |
2142 | ||
2143 | va_start(va, message); | |
2144 | vsnprintf(buf, sizeof(buf) - 1, message, va); | |
2145 | va_end(va); | |
2146 | ||
2147 | sendmessagetochannel(trojanscan_nick, cp, "%s", buf); | |
2148 | } | |
2149 | ||
2150 | #ifdef TROJANSCAN_PEONCHANNEL | |
2151 | void trojanscan_peonchanmsg(char *message, ...) { | |
2152 | char buf[513]; | |
2153 | va_list va; | |
2154 | channel *cp; | |
2155 | ||
2156 | if (!trojanscan_nick) | |
2157 | return; | |
2158 | if (!(cp = findchannel(TROJANSCAN_PEONCHANNEL))) | |
2159 | return; | |
2160 | ||
2161 | va_start(va, message); | |
2162 | vsnprintf(buf, sizeof(buf) - 1, message, va); | |
2163 | va_end(va); | |
2164 | ||
2165 | sendmessagetochannel(trojanscan_nick, cp, "%s", buf); | |
2166 | } | |
2167 | #endif | |
2168 | ||
2169 | int trojanscan_minmaxrand(float min, float max) { | |
2170 | return (int)((max-min+1)*rand()/(RAND_MAX+min))+min; | |
2171 | } | |
2172 | ||
2173 | char *trojanscan_iptostr(char *buf, int buflen, unsigned int ip) { | |
2174 | snprintf(buf, buflen, "%d.%d.%d.%d", ip >> 24, (ip >> 16) & 255, (ip >> 8) & 255, ip & 255); | |
2175 | return buf; | |
2176 | } | |
2177 | ||
2178 | char trojanscan_genchar(int ty) { | |
2179 | /* hostname and realname characters*/ | |
2180 | if (!ty) { | |
2181 | if (!(trojanscan_minmaxrand(0, 40) % 10)) { | |
2182 | return trojanscan_minmaxrand(48, 57); | |
2183 | } else { | |
2184 | return trojanscan_minmaxrand(97, 122); | |
2185 | } | |
2186 | /* ident characters - without numbers*/ | |
2187 | } else if (ty == 1) { | |
2188 | return trojanscan_minmaxrand(97, 122); | |
2189 | /* ident characters - with numbers*/ | |
2190 | } else if (ty == 2) { | |
2191 | ty = trojanscan_minmaxrand(97, 125); | |
2192 | if (ty > 122) return trojanscan_minmaxrand(48, 57); | |
2193 | return ty; | |
2194 | /* nick characters - with and without numbers*/ | |
2195 | } else if (ty == 3 || ty == 4) { | |
2196 | if (!(trojanscan_minmaxrand(0, 59) % 16)) { | |
2197 | char weirdos[6] = { '\\', '|', '[', '{', ']', '}' }; | |
2198 | return weirdos[trojanscan_minmaxrand(0, 5)]; | |
2199 | } | |
2200 | if (ty == 4) { | |
2201 | ty = trojanscan_minmaxrand(65, 93); | |
2202 | if (ty > 90) return trojanscan_minmaxrand(48, 57); | |
2203 | } else { | |
2204 | ty = trojanscan_minmaxrand(65, 90); | |
2205 | } | |
2206 | if (!(trojanscan_minmaxrand(0, 40) % 8)) return ty; | |
2207 | return ty + 32; | |
2208 | /* moron check */ | |
2209 | } else { | |
2210 | return ' '; | |
2211 | } | |
2212 | } | |
2213 | ||
2214 | void trojanscan_gennick(char *ptc, char size) { | |
2215 | int i; | |
2216 | for (i=0;i<size;i++) { | |
2217 | if (i == 0) { | |
2218 | ptc[i] = trojanscan_genchar(3); | |
2219 | } else { | |
2220 | ptc[i] = trojanscan_genchar(4); | |
2221 | } | |
2222 | } | |
2223 | ptc[i] = '\0'; | |
2224 | } | |
2225 | ||
2226 | void trojanscan_genident(char *ptc, char size) { | |
2227 | int i; | |
2228 | for (i=0;i<size;i++) { | |
2229 | if (i == 0) { | |
2230 | ptc[i] = trojanscan_genchar(1); | |
2231 | } else { | |
2232 | ptc[i] = trojanscan_genchar(2); | |
2233 | } | |
2234 | } | |
2235 | ptc[i] = '\0'; | |
2236 | } | |
2237 | ||
2238 | void trojanscan_genhost(char *ptc, char size, patricia_node_t **fakeipnode) { | |
2239 | int dots = trojanscan_minmaxrand(2, 5), i, dotexist = 0, cur; | |
2240 | struct irc_in_addr ipaddress; | |
2241 | ||
2242 | while (!dotexist) { | |
2243 | for (i=0;i<size;i++) { | |
2244 | ptc[i] = trojanscan_genchar(0); | |
2245 | if ((i > 5) && (i < (size-4))) { | |
2246 | if ((ptc[i-1] != '.') && (ptc[i-1] != '-')) { | |
2247 | cur = trojanscan_minmaxrand(1,size / dots); | |
2248 | if (cur < 3) { | |
2249 | if (cur == 1) { | |
2250 | ptc[i] = '.'; | |
2251 | dotexist = 1; | |
2252 | } else { | |
2253 | ptc[i] = '-'; | |
2254 | } | |
2255 | } | |
2256 | } | |
2257 | } | |
2258 | } | |
2259 | } | |
2260 | ptc[i] = '\0'; | |
2261 | ||
2262 | memset(&ipaddress, 0, sizeof(ipaddress)); | |
2263 | ((unsigned short *)(ipaddress.in6_16))[5] = 65535; | |
2264 | ((unsigned short *)(ipaddress.in6_16))[6] = trojanscan_minmaxrand(0, 65535); | |
2265 | ((unsigned short *)(ipaddress.in6_16))[7] = trojanscan_minmaxrand(0, 65535); | |
2266 | ||
2267 | *fakeipnode = refnode(iptree, &ipaddress, PATRICIA_MAXBITS); | |
2268 | } | |
2269 | ||
2270 | void trojanscan_genreal(char *ptc, char size) { | |
2271 | int spaces = trojanscan_minmaxrand(2, 4), i; | |
2272 | for (i=0;i<size;i++) { | |
2273 | ptc[i] = trojanscan_genchar(0); | |
2274 | if ((i > 5) && (i < (size-4))) { | |
2275 | if (ptc[i-1] != ' ') { | |
2276 | if (trojanscan_minmaxrand(1,size / spaces) == 1) ptc[i] = ' '; | |
2277 | } | |
2278 | } | |
2279 | } | |
2280 | ptc[i] = '\0'; | |
2281 | } | |
2282 | ||
2283 | int trojanscan_is_not_octet(char *begin, int length) { | |
2284 | int i; | |
2285 | if(length > 3) | |
2286 | return 0; | |
2287 | for(i=0;i<length;i++) { | |
2288 | if (!((*begin >= '0') && (*begin <= '9'))) | |
2289 | return 0; | |
2290 | begin++; | |
2291 | } | |
2292 | return 1; | |
2293 | } | |
2294 | ||
2295 | int trojanscan_generatepool(void) { | |
2296 | int i, k = 0, j = 0, loops = 0; | |
2297 | char *p, *pp; | |
2298 | nick *np; | |
2299 | ||
2300 | for (i=0;i<NICKHASHSIZE;i++) | |
2301 | for (np=nicktable[i];np;np=np->next) | |
2302 | j++; | |
2303 | ||
2304 | if(j < trojanscan_min_hosts) | |
2305 | return 0; | |
2306 | ||
2307 | if(TROJANSCAN_HOST_MODE == TROJANSCAN_STEAL_HOST) | |
2308 | return TROJANSCAN_MINPOOLSIZE; | |
2309 | ||
2310 | i = 0; | |
2311 | do { | |
2312 | for (j=trojanscan_minmaxrand(0, NICKHASHSIZE-1);j<NICKHASHSIZE;j++) { | |
2313 | if (nicktable[j]) { | |
2314 | for(p=nicktable[j]->host->name->content, pp=p;*p;) { | |
2315 | if (*++p == '.') { | |
2316 | if (!trojanscan_is_not_octet(pp, p-pp)) { | |
2317 | if (i < TROJANSCAN_POOLSIZE) { | |
2318 | if (i < trojanscan_hostpoolsize) | |
2319 | freesstring(trojanscan_hostpool[i]); | |
2320 | trojanscan_hostpool[i] = getsstring(pp, p-pp); | |
2321 | i++; | |
2322 | } else { | |
2323 | if (k >= TROJANSCAN_POOLSIZE) | |
2324 | break; | |
2325 | } | |
2326 | } | |
2327 | pp=++p; | |
2328 | } | |
2329 | } | |
2330 | if (!trojanscan_is_not_octet(pp, p-pp)) { | |
2331 | if (k < TROJANSCAN_POOLSIZE) { | |
2332 | if (k < trojanscan_tailpoolsize) | |
2333 | freesstring(trojanscan_tailpool[k]); | |
2334 | trojanscan_tailpool[k] = getsstring(pp, p-pp); | |
2335 | k++; | |
2336 | } else { | |
2337 | if (i >= TROJANSCAN_POOLSIZE) | |
2338 | break; | |
2339 | } | |
2340 | } | |
2341 | } | |
2342 | } | |
2343 | loops++; | |
2344 | } while ((loops < 5) && ((i < TROJANSCAN_POOLSIZE) || (k < TROJANSCAN_POOLSIZE))); | |
2345 | ||
2346 | trojanscan_hostpoolsize = i; | |
2347 | trojanscan_tailpoolsize = k; | |
2348 | return i; | |
2349 | } | |
2350 | ||
2351 | nick *trojanscan_selectuser(void) { | |
2352 | int target = trojanscan_minmaxrand(0, 500), loops = 150, j; | |
2353 | nick *np; | |
2354 | do { | |
2355 | for (j=trojanscan_minmaxrand(0, NICKHASHSIZE-1);j<NICKHASHSIZE;j++) | |
2356 | for(np=nicktable[j];np;np=np->next) | |
2357 | if (!--target) | |
2358 | return np; | |
2359 | } while(--loops > 0); | |
2360 | return NULL; | |
2361 | } | |
2362 | ||
2363 | host *trojanscan_selecthost(void) { | |
2364 | int target = trojanscan_minmaxrand(0, 500), loops = 150, j; | |
2365 | host *hp; | |
2366 | do { | |
2367 | for (j=trojanscan_minmaxrand(0, HOSTHASHSIZE-1);j<HOSTHASHSIZE;j++) | |
2368 | for(hp=hosttable[j];hp;hp=hp->next) | |
2369 | if (!--target) | |
2370 | return hp; | |
2371 | } while(--loops > 0); | |
2372 | ||
2373 | return NULL; | |
2374 | } | |
2375 | ||
2376 | static int specialuseronhost(host *hp) { | |
2377 | nick *np; | |
2378 | ||
2379 | for(np=hp->nicks;np;np=np->nextbyhost) | |
2380 | if(IsOper(np) || IsService(np) || IsXOper(np) || NickOnServiceServer(np)) | |
2381 | return 1; | |
2382 | ||
2383 | return 0; | |
2384 | } | |
2385 | ||
2386 | void trojanscan_generatehost(char *buf, int maxsize, patricia_node_t **fakeip) { | |
2387 | struct irc_in_addr ipaddress; | |
2388 | ||
2389 | if(TROJANSCAN_HOST_MODE == TROJANSCAN_STEAL_HOST) { | |
2390 | host *hp; | |
2391 | int loops = 20; | |
2392 | ||
2393 | buf[0] = '\0'; | |
2394 | ||
2395 | do { | |
2396 | hp = trojanscan_selecthost(); | |
2397 | if(hp && (hp->clonecount <= TROJANSCAN_MAX_CLONE_COUNT) && !trojanscan_isip(hp->name->content) && !specialuseronhost(hp)) { | |
2398 | strlcpy(buf, hp->name->content, maxsize + 1); | |
2399 | if(hp->nicks) { | |
2400 | *fakeip = hp->nicks->ipnode; | |
2401 | patricia_ref_prefix(hp->nicks->ipnode->prefix); | |
2402 | } else { | |
2403 | memset(&ipaddress, 0, sizeof(ipaddress)); | |
2404 | ((unsigned short *)(ipaddress.in6_16))[5] = 65535; | |
2405 | ((unsigned short *)(ipaddress.in6_16))[6] = trojanscan_minmaxrand(0, 65535); | |
2406 | ((unsigned short *)(ipaddress.in6_16))[7] = trojanscan_minmaxrand(0, 65535); | |
2407 | ||
2408 | *fakeip = refnode(iptree, &ipaddress, PATRICIA_MAXBITS); | |
2409 | } | |
2410 | break; | |
2411 | } | |
2412 | } while(--loops > 0); | |
2413 | } else { | |
2414 | char *cpos; | |
2415 | int pieces = trojanscan_minmaxrand(2, 4), totallen = 0, a = 0, i; | |
2416 | int *choices = tmalloc(sizeof(int) * (pieces + 1)); | |
2417 | int *lengths = tmalloc(sizeof(int) * (pieces + 1)); | |
2418 | ||
2419 | choices[pieces] = trojanscan_minmaxrand(0, trojanscan_tailpoolsize-1); | |
2420 | lengths[pieces] = strlen(trojanscan_tailpool[choices[pieces]]->content) + 1; | |
2421 | totallen += lengths[pieces]; | |
2422 | ||
2423 | for (i=0;i<pieces;i++) { | |
2424 | choices[i] = trojanscan_minmaxrand(0, trojanscan_hostpoolsize-1); | |
2425 | lengths[i] = strlen(trojanscan_hostpool[choices[i]]->content) + 1; | |
2426 | if (totallen+lengths[i] > maxsize) { | |
2427 | choices[i] = choices[pieces]; | |
2428 | lengths[i] = lengths[pieces]; | |
2429 | pieces-=(pieces-i); | |
2430 | break; | |
2431 | } | |
2432 | totallen += lengths[i]; | |
2433 | } | |
2434 | ||
2435 | for (i=0;i<pieces;i++) { | |
2436 | for (cpos=trojanscan_hostpool[choices[i]]->content; *cpos;) | |
2437 | buf[a++] = *cpos++; | |
2438 | buf[a++] = '.'; | |
2439 | } | |
2440 | ||
2441 | for (cpos=trojanscan_tailpool[choices[i]]->content; *cpos;) { | |
2442 | buf[a++] = *cpos++; | |
2443 | } | |
2444 | ||
2445 | buf[a] = '\0'; | |
2446 | tfree(choices); | |
2447 | tfree(lengths); | |
2448 | ||
2449 | memset(&ipaddress, 0, sizeof(ipaddress)); | |
2450 | ((unsigned short *)(ipaddress.in6_16))[5] = 65535; | |
2451 | ((unsigned short *)(ipaddress.in6_16))[6] = trojanscan_minmaxrand(0, 65535); | |
2452 | ((unsigned short *)(ipaddress.in6_16))[7] = trojanscan_minmaxrand(0, 65535); | |
2453 | ||
2454 | *fakeip = refnode(iptree, &ipaddress, PATRICIA_MAXBITS); | |
2455 | } | |
2456 | } | |
2457 | ||
2458 | void trojanscan_generatenick(char *buf, int maxsize) { | |
2459 | int bits = trojanscan_minmaxrand(2, 3), loops = 0, wanttocopy, len = 0, i, d = 0, newmaxsize = maxsize - trojanscan_minmaxrand(0, 7); | |
2460 | nick *np; | |
2461 | ||
2462 | if(newmaxsize > 2) | |
2463 | maxsize = newmaxsize; | |
2464 | ||
2465 | do { | |
2466 | np = trojanscan_selectuser(); | |
2467 | if(np) { | |
2468 | wanttocopy = trojanscan_minmaxrand(1, (strlen(np->nick) / 2) + 3); | |
2469 | for(i=0;((i<wanttocopy) && (len<maxsize));i++) | |
2470 | buf[len++] = np->nick[i]; | |
2471 | if(++d > bits) { | |
2472 | buf[len] = '\0'; | |
2473 | return; | |
2474 | } | |
2475 | } | |
2476 | } while (++loops < 10); | |
2477 | buf[0] = '\0'; | |
2478 | } | |
2479 | ||
2480 | void trojanscan_generateident(char *buf, int maxsize) { | |
2481 | nick *np = trojanscan_selectuser(); | |
2482 | buf[0] = '\0'; | |
2483 | if(np) | |
2484 | strlcpy(buf, np->ident, maxsize + 1); | |
2485 | } | |
2486 | ||
2487 | void trojanscan_generaterealname(char *buf, int maxsize) { | |
2488 | nick *np = trojanscan_selectuser(); | |
2489 | buf[0] = '\0'; | |
2490 | if(np) | |
2491 | strlcpy(buf, np->realname->name->content, maxsize + 1); | |
2492 | } | |
2493 | ||
2494 | static void db_ping(void *arg) { | |
2495 | if (!(trojanscan_database_query("SELECT 1"))) { | |
2496 | trojanscan_database_res *res; | |
2497 | if ((res = trojanscan_database_store_result(&trojanscan_sql))) { | |
2498 | trojanscan_database_free_result(res); | |
2499 | } | |
2500 | } | |
2501 | ||
2502 | db_ping_schedule = scheduleoneshot(time(NULL) + 60, &db_ping, NULL); | |
2503 | } | |
2504 | ||
2505 | void trojanscan_database_close(void) { | |
2506 | if(db_ping_schedule) | |
2507 | deleteschedule(db_ping_schedule, db_ping, NULL); | |
2508 | ||
2509 | mysql_close(&trojanscan_sql); | |
2510 | } | |
2511 | ||
2512 | int trojanscan_database_connect(char *dbhost, char *dbuser, char *dbpass, char *db, unsigned int port) { | |
2513 | mysql_init(&trojanscan_sql); | |
2514 | if (!mysql_real_connect(&trojanscan_sql, dbhost, dbuser, dbpass, db, port, NULL, 0)) | |
2515 | return -1; | |
2516 | ||
2517 | ||
2518 | db_ping_schedule = scheduleoneshot(time(NULL) + 60, &db_ping, NULL); | |
2519 | ||
2520 | return 0; | |
2521 | } | |
2522 | ||
2523 | void trojanscan_database_escape_string(char *dest, char *source, size_t length) { | |
2524 | mysql_escape_string(dest, source, length); | |
2525 | } | |
2526 | ||
2527 | int trojanscan_database_query(char *format, ...) { | |
2528 | char trojanscan_sqlquery[TROJANSCAN_QUERY_BUF_SIZE]; | |
2529 | va_list va; | |
2530 | ||
2531 | va_start(va, format); | |
2532 | vsnprintf(trojanscan_sqlquery, sizeof(trojanscan_sqlquery) - 1, format, va); | |
2533 | va_end(va); | |
2534 | return mysql_query(&trojanscan_sql, trojanscan_sqlquery); | |
2535 | } | |
2536 | ||
2537 | int trojanscan_database_num_rows(trojanscan_database_res *res) { | |
2538 | return mysql_num_rows(res); | |
2539 | } | |
2540 | ||
2541 | trojanscan_database_res *trojanscan_database_store_result() { | |
2542 | return mysql_store_result(&trojanscan_sql); | |
2543 | } | |
2544 | ||
2545 | trojanscan_database_row trojanscan_database_fetch_row(trojanscan_database_res *res) { | |
2546 | return mysql_fetch_row(res); | |
2547 | } | |
2548 | ||
2549 | void trojanscan_database_free_result(trojanscan_database_res *res) { | |
2550 | mysql_free_result(res); | |
2551 | } | |
2552 | ||
2553 | int trojanscan_isip(char *host) { | |
2554 | char *p = host, components = 0, length = 0; | |
2555 | ||
2556 | for(;*p;p++) { | |
2557 | if(*p == '.') { | |
2558 | if(((!length) || (length = 0)) || (++components > 3)) | |
2559 | return 0; | |
2560 | } else { | |
2561 | if ((++length > 3) || !isdigit(*p)) | |
2562 | return 0; | |
2563 | } | |
2564 | } | |
2565 | return components == 3; | |
2566 | } | |
2567 |