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Commit | Line | Data |
---|---|---|
c86edd1d | 1 | /* |
378cf1b9 | 2 | * Trojanscan version 2 |
c86edd1d | 3 | * |
1fe41720 | 4 | * Trojanscan copyright (C) Chris Porter 2002-2005 |
c86edd1d Q |
5 | * Newserv bits copyright (C) David Mansell 2002-2003 |
6 | * | |
378cf1b9 CP |
7 | * TODO: CHECK:: |
8 | * - Poke splidge about +r'ing bots, potential problems: | |
1fe41720 | 9 | * - users might whine about T clone stealing account |
378cf1b9 CP |
10 | * - would have to steal one already in use, so if trojans start using /msg q whois they'll see |
11 | * (though they have to be authed for this, they could use a clone of their own however) | |
c86edd1d Q |
12 | */ |
13 | ||
14 | #include "trojanscan.h" | |
707e6470 | 15 | #include "../lib/strlfunc.h" |
c86edd1d Q |
16 | |
17 | void _init() { | |
18 | trojanscan_cmds = newcommandtree(); | |
19 | ||
20 | addcommandtotree(trojanscan_cmds, "showcommands", TROJANSCAN_ACL_UNAUTHED, 0, &trojanscan_showcommands); | |
21 | addcommandtotree(trojanscan_cmds, "help", TROJANSCAN_ACL_UNAUTHED, 1, &trojanscan_help); | |
22 | addcommandtotree(trojanscan_cmds, "hello", TROJANSCAN_ACL_UNAUTHED | TROJANSCAN_ACL_OPER, 1, &trojanscan_hello); | |
23 | ||
24 | addcommandtotree(trojanscan_cmds, "join", TROJANSCAN_ACL_STAFF, 1, &trojanscan_userjoin); | |
25 | addcommandtotree(trojanscan_cmds, "chanlist", TROJANSCAN_ACL_STAFF, 0, &trojanscan_chanlist); | |
26 | addcommandtotree(trojanscan_cmds, "whois", TROJANSCAN_ACL_STAFF, 1, &trojanscan_whois); | |
27 | ||
28 | addcommandtotree(trojanscan_cmds, "changelev", TROJANSCAN_ACL_STAFF | TROJANSCAN_ACL_OPER, 2, &trojanscan_changelev); | |
29 | addcommandtotree(trojanscan_cmds, "deluser", TROJANSCAN_ACL_TEAMLEADER | TROJANSCAN_ACL_OPER, 2, &trojanscan_deluser); | |
30 | addcommandtotree(trojanscan_cmds, "mew", TROJANSCAN_ACL_STAFF | TROJANSCAN_ACL_OPER, 2, &trojanscan_mew); | |
31 | addcommandtotree(trojanscan_cmds, "status", TROJANSCAN_ACL_STAFF | TROJANSCAN_ACL_OPER, 0, &trojanscan_status); | |
32 | addcommandtotree(trojanscan_cmds, "listusers", TROJANSCAN_ACL_TEAMLEADER, 0, &trojanscan_listusers); | |
33 | ||
34 | addcommandtotree(trojanscan_cmds, "rehash", TROJANSCAN_ACL_WEBSITE, 0, &trojanscan_rehash); | |
35 | ||
4c9499c7 | 36 | addcommandtotree(trojanscan_cmds, "cat", TROJANSCAN_ACL_OPER, 1, &trojanscan_cat); |
c86edd1d Q |
37 | |
38 | addcommandtotree(trojanscan_cmds, "reschedule", TROJANSCAN_ACL_DEVELOPER | TROJANSCAN_ACL_OPER, 0, &trojanscan_reschedule); | |
39 | ||
40 | srand((int)time(NULL)); | |
41 | ||
42 | trojanscan_connect_schedule = scheduleoneshot(time(NULL) + 1, &trojanscan_connect, NULL); | |
43 | } | |
44 | ||
45 | void _fini(void) { | |
46 | int i; | |
47 | struct trojanscan_realchannels *rp = trojanscan_realchanlist, *oldrp; | |
48 | struct trojanscan_rejoinlist *rj = trojanscan_schedulerejoins, *oldrj; | |
49 | ||
50 | if (trojanscan_nick) | |
51 | deregisterlocaluser(trojanscan_nick, NULL); | |
52 | ||
53 | if (trojanscan_connect_schedule) | |
54 | deleteschedule(trojanscan_connect_schedule, &trojanscan_connect, NULL); | |
55 | ||
56 | if(trojanscan_schedule) | |
57 | deleteschedule(trojanscan_schedule, &trojanscan_dojoin, NULL); | |
58 | ||
59 | if(trojanscan_poolschedule) | |
60 | deleteschedule(trojanscan_poolschedule, &trojanscan_repool, NULL); | |
61 | ||
62 | if(trojanscan_cloneschedule) | |
63 | deleteschedule(trojanscan_poolschedule, &trojanscan_registerclones, NULL); | |
64 | ||
65 | while(rp) { | |
66 | deleteschedule(rp->schedule, &trojanscan_dopart, (void *)rp); | |
67 | oldrp = rp; | |
68 | rp = rp->next; | |
69 | free(oldrp); | |
70 | } | |
71 | ||
72 | while(rj) { | |
73 | deleteschedule(rj->schedule, &trojanscan_rejoin_channel, (void *)rj); | |
74 | freesstring(rj->channel); | |
75 | oldrj = rj; | |
76 | rj = rj->next; | |
77 | free(oldrj); | |
78 | } | |
79 | ||
80 | if(trojanscan_initialschedule) | |
81 | deleteschedule(trojanscan_initialschedule, &trojanscan_fill_channels, NULL); | |
82 | ||
83 | deleteschedule(trojanscan_rehashschedule, &trojanscan_rehash_schedule, NULL); | |
84 | ||
85 | for (i=0;i<TROJANSCAN_CLONE_TOTAL;i++) | |
86 | if(trojanscan_swarm[i].clone) { | |
87 | deregisterlocaluser(trojanscan_swarm[i].clone, NULL); | |
88 | trojanscan_swarm[i].clone = NULL; | |
89 | } | |
90 | trojanscan_free_database(); | |
91 | trojanscan_free_channels(); | |
92 | ||
93 | for (i=0;i<trojanscan_hostpoolsize;i++) | |
94 | freesstring(trojanscan_hostpool[i]); | |
95 | ||
96 | for (i=0;i<trojanscan_tailpoolsize;i++) | |
97 | freesstring(trojanscan_tailpool[i]); | |
98 | trojanscan_database_close(); | |
99 | } | |
100 | ||
101 | void trojanscan_connect(void *arg) { | |
102 | sstring *mnick, *myident, *myhost, *myrealname, *myauthname; | |
103 | sstring *dbhost, *dbuser, *dbpass, *db, *dbport, *temp; | |
104 | channel *cp; | |
105 | int length, i; | |
106 | char buf[10]; | |
107 | ||
108 | trojanscan_connect_schedule = NULL; | |
109 | ||
110 | for(i=0;i<TROJANSCAN_CLONE_TOTAL;i++) | |
111 | trojanscan_swarm[i].index = i; /* sure this could be done with pointer arithmetic... */ | |
112 | ||
113 | trojanscan_hostpoolsize = 0; | |
114 | trojanscan_tailpoolsize = 0; | |
115 | trojanscan_hostmode = 0; | |
116 | trojanscan_poolschedule = NULL; | |
117 | trojanscan_cloneschedule = NULL; | |
118 | trojanscan_realchanlist = NULL; | |
119 | trojanscan_database.glines = 0; | |
120 | trojanscan_database.detections = 0; | |
121 | ||
122 | mnick = getcopyconfigitem("trojanscan", "nick", "T", NICKLEN); | |
123 | myident = getcopyconfigitem("trojanscan", "ident", "trojanscan", NICKLEN); | |
124 | myhost = getcopyconfigitem("trojanscan", "hostname", "trojanscan.slug.netsplit.net", HOSTLEN); | |
125 | myrealname = getcopyconfigitem("trojanscan", "realname", "Trojanscan v" TROJANSCAN_VERSION, REALLEN); | |
126 | myauthname = getcopyconfigitem("trojanscan", "authname", "T", ACCOUNTLEN); | |
127 | ||
128 | dbhost = getcopyconfigitem("trojanscan", "dbhost", "localhost", HOSTLEN); | |
129 | dbuser = getcopyconfigitem("trojanscan", "dbuser", "", NICKLEN); | |
130 | dbpass = getcopyconfigitem("trojanscan", "dbpass", "", REALLEN); | |
131 | db = getcopyconfigitem("trojanscan", "db", "", NICKLEN); | |
132 | ||
133 | dbport = getcopyconfigitem("trojanscan", "dbport", "3306", ACCOUNTLEN); | |
134 | ||
135 | length = snprintf(buf, sizeof(buf) - 1, "%d", TROJANSCAN_DEFAULT_MAXCHANS); | |
136 | temp = getcopyconfigitem("trojanscan", "maxchans", buf, length); | |
137 | ||
138 | trojanscan_maxchans = atoi(temp->content); | |
139 | freesstring(temp); | |
140 | ||
141 | length = snprintf(buf, sizeof(buf) - 1, "%d", TROJANSCAN_DEFAULT_CYCLETIME); | |
142 | temp = getcopyconfigitem("trojanscan", "cycletime", buf, length); | |
143 | ||
144 | trojanscan_cycletime = atoi(temp->content); | |
145 | freesstring(temp); | |
146 | ||
147 | length = snprintf(buf, sizeof(buf) - 1, "%d", TROJANSCAN_DEFAULT_PARTTIME); | |
148 | temp = getcopyconfigitem("trojanscan", "parttime", buf, length); | |
149 | trojanscan_part_time = atoi(temp->content); | |
150 | freesstring(temp); | |
151 | ||
152 | length = snprintf(buf, sizeof(buf) - 1, "%d", TROJANSCAN_DEFAULT_MAXUSERS); | |
153 | temp = getcopyconfigitem("trojanscan", "maxusers", buf, length); | |
154 | trojanscan_maxusers = atoi(temp->content); | |
155 | freesstring(temp); | |
156 | ||
36efd3fc CP |
157 | length = snprintf(buf, sizeof(buf) - 1, "%d", TROJANSCAN_MINIMUM_HOSTS_BEFORE_POOL); |
158 | temp = getcopyconfigitem("trojanscan", "minpoolhosts", buf, length); | |
159 | trojanscan_min_hosts = atoi(temp->content); | |
160 | freesstring(temp); | |
161 | ||
c86edd1d | 162 | if ((trojanscan_cycletime / trojanscan_maxchans) < 1) { |
1fe41720 CP |
163 | Error("trojanscan", ERR_FATAL, "Cycletime / maxchans < 1, increase cycletime or decrease maxchans else cycling breaks."); |
164 | return; /* PPA: module failed to load */ | |
c86edd1d Q |
165 | } |
166 | ||
167 | length = snprintf(buf, sizeof(buf) - 1, "%d", TROJANSCAN_DEFAULT_MINIMUM_CHANNEL_SIZE); | |
168 | temp = getcopyconfigitem("trojanscan", "minchansize", buf, length); | |
169 | trojanscan_minchansize = atoi(temp->content); | |
170 | freesstring(temp); | |
171 | ||
172 | trojanscan_nick = registerlocaluser(mnick->content, myident->content, myhost->content, myrealname->content, myauthname->content, UMODE_SERVICE | UMODE_DEAF | | |
173 | UMODE_OPER | UMODE_INV | | |
174 | UMODE_ACCOUNT, | |
175 | &trojanscan_handlemessages); | |
176 | ||
177 | if (trojanscan_database_connect(dbhost->content, dbuser->content, dbpass->content, db->content, atoi(dbport->content)) < 0) { | |
178 | Error("trojanscan", ERR_FATAL, "Cannot connect to database host!"); | |
1fe41720 | 179 | return; /* PPA: module failed to load */ |
c86edd1d Q |
180 | } |
181 | ||
378cf1b9 | 182 | 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))"); |
4986ec37 | 183 | trojanscan_database_query("CREATE TABLE worms (id INT(10) PRIMARY KEY AUTO_INCREMENT, wormname TEXT NOT NULL, glinetype INT DEFAULT 0, data text, hitmsgs BOOL DEFAULT 1, hitchans BOOL DEFAULT 0, epidemic BOOL DEFAULT 0, privinfo text)"); |
c86edd1d Q |
184 | 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)"); |
185 | trojanscan_database_query("CREATE TABLE channels (id INT(10) PRIMARY KEY AUTO_INCREMENT, channel VARCHAR(%d) NOT NULL, exempt BOOL DEFAULT 0)", CHANNELLEN); | |
186 | trojanscan_database_query("CREATE TABLE users (id INT(10) PRIMARY KEY AUTO_INCREMENT, authname VARCHAR(%d) NOT NULL, authlevel TINYINT(4) NOT NULL)", ACCOUNTLEN); | |
187 | 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); | |
188 | trojanscan_database_query("CREATE TABLE settings (id INT(10) PRIMARY KEY AUTO_INCREMENT, setting VARCHAR(15) NOT NULL, value VARCHAR(15) NOT NULL)"); | |
189 | 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)"); | |
190 | 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); | |
191 | ||
4986ec37 | 192 | trojanscan_database_query("DELETE FROM settings"); |
c86edd1d Q |
193 | trojanscan_database_query("INSERT INTO settings (setting, value) VALUES ('rehash','0')"); |
194 | trojanscan_database_query("INSERT INTO settings (setting, value) VALUES ('changed','0')"); | |
195 | ||
196 | trojanscan_read_database(1); | |
197 | ||
198 | cp = findchannel(TROJANSCAN_OPERCHANNEL); | |
199 | if (!cp) { | |
200 | localcreatechannel(trojanscan_nick, TROJANSCAN_OPERCHANNEL); | |
201 | } else { | |
31f37482 CP |
202 | if(!localjoinchannel(trojanscan_nick, cp)) |
203 | localgetops(trojanscan_nick, cp); | |
c86edd1d Q |
204 | } |
205 | ||
206 | cp = findchannel(TROJANSCAN_CHANNEL); | |
207 | if (!cp) { | |
208 | localcreatechannel(trojanscan_nick, TROJANSCAN_CHANNEL); | |
209 | } else { | |
31f37482 CP |
210 | if(!localjoinchannel(trojanscan_nick, cp)) |
211 | localgetops(trojanscan_nick, cp); | |
c86edd1d | 212 | } |
e261c2c9 CP |
213 | |
214 | cp = findchannel(TROJANSCAN_PEONCHANNEL); | |
215 | if (!cp) { | |
216 | localcreatechannel(trojanscan_nick, TROJANSCAN_PEONCHANNEL); | |
217 | } else { | |
218 | if(!localjoinchannel(trojanscan_nick, cp)) | |
219 | localgetops(trojanscan_nick, cp); | |
220 | } | |
c86edd1d Q |
221 | |
222 | freesstring(mnick); | |
223 | freesstring(myident); | |
224 | freesstring(myhost); | |
225 | freesstring(myrealname); | |
226 | freesstring(myauthname); | |
227 | freesstring(dbhost); | |
228 | freesstring(dbuser); | |
229 | freesstring(dbpass); | |
230 | freesstring(db); | |
231 | freesstring(dbport); | |
232 | trojanscan_registerclones(NULL); | |
233 | ||
c86edd1d Q |
234 | trojanscan_rehashschedule = scheduleoneshot(time(NULL) + 60, &trojanscan_rehash_schedule, NULL); |
235 | ||
236 | } | |
237 | ||
238 | void trojanscan_rehash_schedule(void *arg) { | |
239 | trojanscan_rehashschedule = scheduleoneshot(time(NULL) + 60, &trojanscan_rehash_schedule, NULL); | |
240 | if (!(trojanscan_database_query("SELECT value FROM settings WHERE setting = 'rehash'"))) { | |
241 | trojanscan_database_res *res; | |
242 | if ((res = trojanscan_database_store_result(&trojanscan_sql))) { | |
243 | if (trojanscan_database_num_rows(res) > 0) { | |
244 | trojanscan_database_row sqlrow = trojanscan_database_fetch_row(res); | |
245 | if (sqlrow && (sqlrow[0][0] == '1')) { | |
246 | trojanscan_mainchanmsg("n: rehash initiated by website. . ."); | |
247 | trojanscan_read_database(0); | |
248 | } | |
249 | } | |
250 | trojanscan_database_free_result(res); | |
251 | } | |
252 | } | |
253 | ||
254 | } | |
255 | ||
256 | void trojanscan_free_database(void) { | |
257 | int i; | |
258 | for(i=0;i<trojanscan_database.total_channels;i++) | |
259 | freesstring(trojanscan_database.channels[i].name); | |
260 | free(trojanscan_database.channels); | |
f0ca73a3 | 261 | for(i=0;i<trojanscan_database.total_phrases;i++) { |
08d42cf7 CP |
262 | if (trojanscan_database.phrases[i].phrase) |
263 | pcre_free(trojanscan_database.phrases[i].phrase); | |
264 | if (trojanscan_database.phrases[i].hint) | |
265 | pcre_free(trojanscan_database.phrases[i].hint); | |
f0ca73a3 | 266 | } |
c86edd1d Q |
267 | free(trojanscan_database.phrases); |
268 | for(i=0;i<trojanscan_database.total_worms;i++) | |
269 | freesstring(trojanscan_database.worms[i].name); | |
270 | free(trojanscan_database.worms); | |
271 | trojanscan_database.total_channels = 0; | |
272 | trojanscan_database.total_phrases = 0; | |
273 | trojanscan_database.total_worms = 0; | |
274 | ||
275 | } | |
276 | ||
277 | sstring *trojanscan_getsstring(char *string, int length) { | |
278 | int i; | |
279 | ||
280 | for(i=0;i<length;i++) { | |
281 | if ((string[i] == '\r') || (string[i] == '\n')) { | |
282 | Error("trojanscan", ERR_WARNING, "Error reading %s at position %d, set to ERROR!", string, i+1); | |
283 | return getsstring("ERROR", sizeof("ERROR")); | |
284 | } | |
285 | } | |
286 | ||
287 | return getsstring(string, length); | |
288 | } | |
289 | ||
290 | int trojanscan_strip_codes(char *buf, size_t max, char *original) { | |
291 | int i, j, length = TROJANSCAN_MMIN(strlen(original), max-1); | |
292 | char *p2 = original, *p3, flag = 0; | |
293 | p3 = buf; | |
294 | for(i=0;i<length+1;i++) { | |
295 | switch (*p2) { | |
296 | case '\002': | |
297 | case '\017': | |
298 | case '\026': | |
299 | case '\037': | |
300 | break; | |
301 | case '\003': | |
302 | for(j=0;j<6;j++) { | |
303 | if ((i + 1) > length) | |
304 | break; | |
305 | if ((j == 4) && flag) | |
306 | break; | |
307 | p2++; | |
308 | i++; | |
309 | if ((j == 0) && (!((*p2 >= '0') && (*p2 <= '9')))) | |
310 | break; | |
311 | if (j == 1) { | |
312 | ||
313 | if (*p2 == ',') { | |
314 | if ((i + 1) > length) | |
315 | break; | |
316 | if (!((*(p2 + 1) >= '0') && (*(p2 + 1) <= '9'))) | |
317 | break; | |
318 | flag = 1; | |
319 | } else if ((*p2 >= '0') && (*p2 <= '9')) { | |
320 | flag = 0; | |
321 | } else { | |
322 | break; | |
323 | } | |
324 | } | |
325 | if (j == 2) { | |
326 | if (flag) { | |
327 | if (!((*p2 >= '0') && (*p2 <= '9'))) | |
328 | break; | |
329 | } else { | |
330 | if (*p2 != ',') { | |
331 | break; | |
332 | } else { | |
333 | if ((i + 1) > length) | |
334 | break; | |
335 | if (!((*(p2 + 1) >= '0') && (*(p2 + 1) <= '9'))) | |
336 | break; | |
337 | } | |
338 | } | |
339 | } | |
340 | if ((j == 3) && (!((*p2 >= '0') && (*p2 <= '9')))) | |
341 | break; | |
342 | if ((j == 4) && (!((*p2 >= '0') && (*p2 <= '9')))) | |
343 | break; | |
344 | } | |
345 | p2--; | |
346 | i--; | |
347 | break; | |
348 | ||
349 | default: | |
350 | *p3 = *p2; | |
351 | p3++; | |
352 | break; | |
353 | } | |
354 | p2++; | |
355 | } | |
356 | return p3 - buf; | |
357 | } | |
358 | ||
359 | struct trojanscan_worms *trojanscan_find_worm_by_id(int id) { | |
360 | int i; | |
361 | for(i=0;i<trojanscan_database.total_worms;i++) | |
362 | if ((trojanscan_database.worms[i].id == id)) | |
363 | return &trojanscan_database.worms[i]; | |
364 | return NULL; | |
365 | } | |
366 | ||
367 | void trojanscan_read_database(int first_time) { | |
368 | const char *error; | |
369 | int erroroffset, i, tempresult; | |
370 | ||
371 | trojanscan_database_res *res; | |
372 | trojanscan_database_row sqlrow; | |
373 | ||
374 | if (!first_time) { | |
375 | trojanscan_free_database(); | |
376 | } else { | |
377 | trojanscan_database.total_channels = 0; | |
378 | trojanscan_database.total_phrases = 0; | |
379 | trojanscan_database.total_worms = 0; | |
380 | } | |
381 | ||
382 | if (!(trojanscan_database_query("SELECT channel, exempt FROM channels"))) { | |
383 | if ((res = trojanscan_database_store_result(&trojanscan_sql))) { | |
384 | trojanscan_database.total_channels = trojanscan_database_num_rows(res); | |
385 | if (trojanscan_database.total_channels > 0) { | |
386 | if ((trojanscan_database.channels = (trojanscan_channels *)malloc(sizeof(trojanscan_channels) * trojanscan_database.total_channels))) { | |
387 | if ((trojanscan_database.total_channels>0) && trojanscan_database.channels) { | |
388 | i = 0; | |
389 | while((sqlrow = trojanscan_database_fetch_row(res))) { | |
390 | trojanscan_database.channels[i].name = trojanscan_getsstring(sqlrow[0], strlen(sqlrow[0])); | |
391 | trojanscan_database.channels[i].exempt = (sqlrow[1][0] == '1'); | |
392 | i++; | |
393 | } | |
394 | } | |
395 | } | |
396 | } | |
397 | trojanscan_database_free_result(res); | |
398 | } | |
399 | } | |
400 | ||
378cf1b9 | 401 | if (!(trojanscan_database_query("SELECT id, wormname, glinetype, length(data), hitmsgs, hitchans, epidemic FROM worms"))) { |
c86edd1d Q |
402 | if ((res = trojanscan_database_store_result(&trojanscan_sql))) { |
403 | trojanscan_database.total_worms = trojanscan_database_num_rows(res); | |
404 | if (trojanscan_database.total_worms > 0) { | |
405 | if ((trojanscan_database.worms = (trojanscan_worms *)malloc(sizeof(trojanscan_worms) * trojanscan_database.total_worms))) { | |
406 | i = 0; | |
407 | while((sqlrow = trojanscan_database_fetch_row(res))) { | |
408 | trojanscan_database.worms[i].id = atoi(sqlrow[0]); | |
409 | trojanscan_database.worms[i].name = trojanscan_getsstring(sqlrow[1], strlen(sqlrow[1])); | |
410 | tempresult = atoi(sqlrow[2]); | |
411 | trojanscan_database.worms[i].glineuser = (tempresult == 0); | |
412 | trojanscan_database.worms[i].glinehost = (tempresult == 1); | |
413 | trojanscan_database.worms[i].monitor = (tempresult == 2); | |
414 | if(sqlrow[3]) { | |
415 | trojanscan_database.worms[i].datalen = ((atoi(sqlrow[3]) == 0) ? 0 : 1); | |
416 | } else { | |
417 | trojanscan_database.worms[i].datalen = 0; | |
418 | } | |
419 | ||
420 | trojanscan_database.worms[i].hitpriv = (atoi(sqlrow[4]) == 1); | |
421 | trojanscan_database.worms[i].hitchans = (atoi(sqlrow[5]) == 1); | |
378cf1b9 | 422 | trojanscan_database.worms[i].epidemic = (atoi(sqlrow[6]) == 1); |
c86edd1d Q |
423 | |
424 | i++; | |
425 | } | |
426 | } | |
427 | } | |
428 | trojanscan_database_free_result(res); | |
429 | } | |
430 | } | |
431 | ||
432 | if (!(trojanscan_database_query("SELECT id, phrase, wormid FROM phrases ORDER BY priority DESC"))) { | |
433 | if ((res = trojanscan_database_store_result(&trojanscan_sql))) { | |
434 | trojanscan_database.total_phrases = trojanscan_database_num_rows(res); | |
435 | if (trojanscan_database.total_phrases > 0) { | |
436 | if ((trojanscan_database.phrases = (trojanscan_phrases *)malloc(sizeof(trojanscan_phrases) * trojanscan_database.total_phrases))) { | |
437 | i = 0; | |
438 | while((sqlrow = trojanscan_database_fetch_row(res))) { | |
439 | trojanscan_database.phrases[i].id = atoi(sqlrow[0]); | |
440 | trojanscan_database.phrases[i].worm = trojanscan_find_worm_by_id(atoi(sqlrow[2])); | |
441 | if (!(trojanscan_database.phrases[i].phrase = pcre_compile(sqlrow[1], PCRE_CASELESS, &error, &erroroffset, NULL))) { | |
442 | Error("trojanscan", ERR_WARNING, "Error compiling expression %s at offset %d: %s", sqlrow[1], erroroffset, error); | |
443 | } else { | |
08d42cf7 CP |
444 | trojanscan_database.phrases[i].hint = pcre_study(trojanscan_database.phrases[i].phrase, 0, &error); |
445 | if (error) { | |
c86edd1d | 446 | Error("trojanscan", ERR_WARNING, "Error studying expression %s: %s", sqlrow[1], error); |
08d42cf7 | 447 | pcre_free(trojanscan_database.phrases[i].phrase); |
c86edd1d Q |
448 | trojanscan_database.phrases[i].phrase = NULL; |
449 | } | |
450 | } | |
451 | i++; | |
452 | } | |
453 | } | |
454 | } | |
455 | trojanscan_database_free_result(res); | |
456 | } | |
457 | } | |
458 | ||
459 | trojanscan_database_query("UPDATE settings SET value = '0' where setting = 'rehash'"); | |
460 | ||
461 | } | |
462 | ||
463 | void trojanscan_log(nick *np, char *event, char *details, ...) { | |
464 | int nickid = 0; | |
465 | char eevent[TROJANSCAN_QUERY_TEMP_BUF_SIZE], edetails[TROJANSCAN_QUERY_TEMP_BUF_SIZE], buf[513]; | |
466 | va_list va; | |
467 | ||
468 | va_start(va, details); | |
469 | vsnprintf(buf, sizeof(buf) - 1, details, va); | |
470 | va_end(va); | |
471 | ||
472 | if (np) | |
473 | if (IsAccount(np)) | |
474 | nickid = trojanscan_user_id_by_authname(np->authname); | |
475 | ||
476 | trojanscan_database_escape_string(eevent, event, strlen(event)); | |
477 | trojanscan_database_escape_string(edetails, buf, strlen(buf)); | |
478 | trojanscan_database_query("INSERT INTO logs (userid, act, description) VALUES ('%d', '%s', '%s')", nickid, eevent, edetails); | |
479 | } | |
480 | ||
481 | void trojanscan_generateclone(void *arg) { | |
c8fdcfa5 | 482 | int i, loops = 0, modes = UMODE_XOPER | UMODE_INV; |
c86edd1d | 483 | char c_nick[NICKLEN+1], c_ident[USERLEN+1], c_host[HOSTLEN+1], c_real[REALLEN+1]; |
2e9a528b | 484 | long fakeip; |
c86edd1d | 485 | |
378cf1b9 CP |
486 | i = (int)arg; |
487 | ||
c86edd1d Q |
488 | /* PPA: unlikely to be infinite */ |
489 | do { | |
56099b38 CP |
490 | c_nick[0] = '\0'; |
491 | if (!loops && trojanscan_hostmode) /* only have one go at this */ | |
c86edd1d | 492 | trojanscan_generatenick(c_nick, NICKLEN); |
56099b38 | 493 | if(!c_nick[0]) |
c86edd1d | 494 | trojanscan_gennick(c_nick, trojanscan_minmaxrand(7, TROJANSCAN_MMIN(13, NICKLEN))); |
56099b38 CP |
495 | loops++; |
496 | } while ((getnickbynick(c_nick) != NULL)); | |
c86edd1d Q |
497 | |
498 | trojanscan_generateident(c_ident, USERLEN); | |
56099b38 | 499 | if(!c_ident[0]) |
c86edd1d Q |
500 | trojanscan_genident(c_ident, trojanscan_minmaxrand(4, TROJANSCAN_MMIN(8, USERLEN))); |
501 | ||
502 | if(trojanscan_hostmode) { | |
2e9a528b | 503 | trojanscan_generatehost(c_host, HOSTLEN, &fakeip); |
56099b38 | 504 | if(!c_host[0]) |
2e9a528b | 505 | trojanscan_genhost(c_host, HOSTLEN, &fakeip); |
c86edd1d | 506 | } else { |
2e9a528b | 507 | trojanscan_genhost(c_host, HOSTLEN, &fakeip); |
c86edd1d Q |
508 | } |
509 | ||
510 | trojanscan_generaterealname(c_real, REALLEN); | |
56099b38 | 511 | if(!c_real[0]) |
c86edd1d Q |
512 | trojanscan_genreal(c_real, trojanscan_minmaxrand(15, TROJANSCAN_MMIN(50, REALLEN))); |
513 | ||
c86edd1d | 514 | trojanscan_swarm[i].clone = registerlocaluser(c_nick, c_ident, c_host, c_real, NULL, modes, &trojanscan_clonehandlemessages); |
2e9a528b P |
515 | trojanscan_swarm[i].fakeip = fakeip; |
516 | ||
36efd3fc CP |
517 | if(trojanscan_swarm[i].clone && !trojanscan_swarm_created) { |
518 | nick *np = trojanscan_selectuser(); | |
519 | if(np) /* select a 'random' sign on time for whois generation */ | |
520 | trojanscan_swarm[i].clone->timestamp = np->timestamp; | |
521 | } | |
c86edd1d Q |
522 | trojanscan_swarm[i].remaining = trojanscan_minmaxrand(5, 100); |
523 | ||
524 | trojanscan_swarm[i].sitting = 0; | |
525 | ||
526 | } | |
527 | ||
528 | void trojanscan_free_channels(void) { | |
529 | int i; | |
530 | if(trojanscan_chans) { | |
531 | for(i=0;i<trojanscan_activechans;i++) | |
378cf1b9 | 532 | freesstring(trojanscan_chans[i].channel); |
c86edd1d Q |
533 | free(trojanscan_chans); |
534 | trojanscan_chans = NULL; | |
535 | trojanscan_activechans = 0; | |
536 | } | |
537 | } | |
538 | ||
539 | void trojanscan_repool(void *arg) { | |
540 | if (trojanscan_generatepool() < TROJANSCAN_MINPOOLSIZE) { | |
541 | trojanscan_hostmode = 0; | |
542 | return; | |
543 | } else { | |
544 | trojanscan_hostmode = 1; | |
545 | trojanscan_poolschedule = scheduleoneshot(time(NULL) + TROJANSCAN_POOL_REGENERATION, &trojanscan_repool, NULL); | |
546 | } | |
547 | } | |
548 | ||
549 | void trojanscan_registerclones(void *arg) { | |
550 | unsigned int i; | |
551 | ||
552 | if (trojanscan_generatepool() < TROJANSCAN_MINPOOLSIZE) { | |
553 | trojanscan_hostmode = 0; | |
554 | trojanscan_cloneschedule = scheduleoneshot(time(NULL) + 10, &trojanscan_registerclones, NULL); | |
555 | return; | |
556 | } else { | |
557 | trojanscan_hostmode = 1; | |
558 | trojanscan_poolschedule = scheduleoneshot(time(NULL) + TROJANSCAN_POOL_REGENERATION, &trojanscan_repool, NULL); | |
559 | trojanscan_cloneschedule = NULL; | |
560 | } | |
561 | ||
562 | for (i=0;i<TROJANSCAN_CLONE_TOTAL;i++) | |
563 | trojanscan_generateclone((void *)i); | |
564 | trojanscan_mainchanmsg("n: swarm (%d clones) created.", TROJANSCAN_CLONE_TOTAL); | |
565 | trojanscan_swarm_created = 1; | |
72a4a767 CP |
566 | |
567 | trojanscan_initialschedule = scheduleoneshot(time(NULL) + 5, &trojanscan_fill_channels, NULL); | |
c86edd1d Q |
568 | } |
569 | ||
570 | int trojanscan_status(void *sender, int cargc, char **cargv) { | |
571 | nick *np = (nick *)sender; | |
572 | trojanscan_log(np, "status", ""); | |
573 | trojanscan_reply(np, "Channels in schedule: %d", trojanscan_activechans); | |
574 | trojanscan_reply(np, "Channels in database: %d", trojanscan_database.total_channels); | |
575 | trojanscan_reply(np, "Phrases: %d", trojanscan_database.total_phrases); | |
576 | trojanscan_reply(np, "Worms: %d", trojanscan_database.total_worms); | |
577 | trojanscan_reply(np, "Detections: %d", trojanscan_database.detections); | |
578 | trojanscan_reply(np, "Glines: %d", trojanscan_database.glines); | |
579 | trojanscan_reply(np, "Host/tail pool size: %d", TROJANSCAN_POOLSIZE); | |
580 | trojanscan_reply(np, "Cycletime: %d", trojanscan_cycletime); | |
581 | trojanscan_reply(np, "Clones: %d", TROJANSCAN_CLONE_TOTAL); | |
582 | return CMD_OK; | |
583 | } | |
584 | ||
585 | int trojanscan_chanlist(void *sender, int cargc, char **cargv) { | |
586 | int i; | |
587 | nick *np = (nick *)sender; | |
31f37482 | 588 | char buf[CHANNELLEN * 2 + 20]; |
c86edd1d | 589 | trojanscan_reply(np, "Channel list (%d total):", trojanscan_activechans); |
31f37482 CP |
590 | buf[0] = '\0'; |
591 | ||
592 | for(i=0;i<trojanscan_activechans;i++) { | |
593 | if(trojanscan_chans[i].channel->length + 3 > sizeof(buf) - strlen(buf)) { | |
594 | trojanscan_reply(np, "%s", buf); | |
595 | buf[0] = '\0'; | |
596 | } | |
597 | ||
598 | /* if splidge sees this I'm going to die */ | |
599 | strlcat(buf, trojanscan_chans[i].channel->content, sizeof(buf)); | |
600 | strlcat(buf, " ", sizeof(buf)); | |
601 | } | |
602 | if(buf[0]) | |
603 | trojanscan_reply(np, "%s", buf); | |
604 | ||
c86edd1d Q |
605 | trojanscan_reply(np, "Done."); |
606 | return CMD_OK; | |
607 | } | |
608 | ||
609 | int trojanscan_whois(void *sender, int cargc, char **cargv) { | |
610 | char *tochange; | |
611 | nick *np = (nick *)sender, *np2; | |
612 | int templevel; | |
613 | ||
614 | if (cargc < 1) { | |
615 | trojanscan_reply(np, "Not enough parameters."); | |
616 | return CMD_ERROR; | |
617 | } | |
618 | ||
619 | if (cargv[0][0] == '#') { | |
620 | tochange = cargv[0] + 1; | |
621 | } else { | |
622 | int i; | |
623 | np2 = getnickbynick(cargv[0]); | |
624 | if (!np2) { | |
625 | trojanscan_reply(np, "That nickname is not on the network."); | |
626 | return CMD_ERROR; | |
627 | } | |
628 | for(i=0;i<TROJANSCAN_CLONE_TOTAL;i++) { | |
1fe41720 | 629 | if(trojanscan_swarm[i].clone->nick && !ircd_strcmp(trojanscan_swarm[i].clone->nick, np2->nick)) { |
c86edd1d | 630 | trojanscan_reply(np, "Nickname : %s", np2->nick); |
31f37482 | 631 | trojanscan_reply(np, "Swarm : yes", trojanscan_swarm[i].clone->nick); |
c86edd1d Q |
632 | return CMD_OK; |
633 | } | |
634 | } | |
635 | if (!IsAccount(np2)) { | |
636 | trojanscan_reply(np, "User is not authed."); | |
637 | return CMD_OK; | |
638 | } | |
639 | tochange = np2->authname; | |
640 | } | |
641 | ||
642 | templevel = trojanscan_user_level_by_authname(tochange); | |
643 | if (templevel == -1) { | |
644 | trojanscan_reply(np, "User does not exist."); | |
645 | } else { | |
646 | union trojanscan_userlevel flags; | |
647 | flags.number = templevel; | |
648 | trojanscan_reply(np, "Authname : %s", tochange); | |
649 | trojanscan_reply(np, "Flags : +" TROJANSCAN_FLAG_MASK, TrojanscanFlagsInfo(flags)); | |
650 | } | |
651 | ||
652 | return CMD_OK; | |
653 | } | |
654 | ||
655 | void trojanscan_privmsg_chan_or_nick(channel *cp, nick *np, char *message, ...) { | |
656 | char buf[513]; | |
657 | va_list va; | |
658 | ||
659 | if (!trojanscan_nick) | |
660 | return; | |
661 | ||
662 | va_start(va, message); | |
663 | vsnprintf(buf, sizeof(buf) - 1, message, va); | |
664 | va_end(va); | |
665 | ||
666 | if (cp) { | |
667 | sendmessagetochannel(trojanscan_nick, cp, buf); | |
668 | } else { | |
669 | sendmessagetouser(trojanscan_nick, np, buf); | |
670 | } | |
671 | ||
672 | } | |
673 | ||
674 | int trojanscan_mew(void *sender, int cargc, char **cargv) { | |
675 | nick *np = (nick *)sender, *np2 = NULL; | |
676 | channel *cp = NULL; | |
677 | ||
678 | if (cargc < 2) { | |
679 | trojanscan_reply(np, "Not enough paramaters."); | |
680 | return CMD_ERROR; | |
681 | } | |
682 | ||
683 | if(cargv[0][0] == '#') { | |
684 | if (!(cp = findchannel(cargv[0]))) { | |
685 | trojanscan_reply(np, "Channel not found."); | |
686 | return CMD_ERROR; | |
687 | } | |
688 | trojanscan_log(np, "mew", "%s %s", cp->index->name->content, cargv[1]); | |
689 | } else { | |
690 | if (!(np2 = getnickbynick(cargv[0]))) { | |
691 | trojanscan_reply(np, "Nickname is not present on the network."); | |
692 | return CMD_ERROR; | |
693 | } | |
694 | trojanscan_log(np, "mew", "%s %s", np2->nick, cargv[1]); | |
695 | } | |
696 | ||
697 | trojanscan_privmsg_chan_or_nick(cp, np2, "\001ACTION mews hopefully at %s\001", cargv[1]); | |
698 | ||
699 | if (cp) { | |
700 | trojanscan_reply(np, "Mewed at %s in %s.", cargv[1], cp->index->name->content); | |
701 | } else { | |
702 | trojanscan_reply(np, "Mewed at %s at %s.", cargv[1], np2->nick); | |
703 | } | |
704 | return CMD_OK; | |
705 | } | |
706 | ||
707 | int trojanscan_cat(void *sender, int cargc, char **cargv) { | |
708 | nick *np = (nick *)sender, *np2 = NULL; | |
709 | channel *cp = NULL; | |
710 | FILE *cat; | |
711 | char buf[513], *p; | |
712 | ||
713 | if (cargc < 1) { | |
714 | trojanscan_reply(np, "Not enough paramaters."); | |
715 | return CMD_ERROR; | |
716 | } | |
717 | ||
718 | if(cargv[0][0] == '#') { | |
719 | if (!(cp = findchannel(cargv[0]))) { | |
720 | trojanscan_reply(np, "Channel not found."); | |
721 | return CMD_ERROR; | |
722 | } | |
723 | trojanscan_log(np, "cat", cp->index->name->content); | |
724 | } else { | |
725 | if (!(np2 = getnickbynick(cargv[0]))) { | |
726 | trojanscan_reply(np, "Nickname is not present on the network."); | |
727 | return CMD_ERROR; | |
728 | } | |
729 | trojanscan_log(np, "cat", np2->nick); | |
730 | } | |
731 | ||
732 | if ((!(cat = fopen(TROJANSCAN_CAT, "r")))) { | |
733 | trojanscan_reply(np, "Unable to open cat!"); | |
734 | return CMD_ERROR; | |
735 | } | |
736 | ||
c86edd1d Q |
737 | while (fgets(buf, sizeof(buf) - 1, cat)) { |
738 | if ((p = strchr(buf, '\n'))) { | |
739 | *p = '\0'; | |
740 | trojanscan_privmsg_chan_or_nick(cp, np2, "%s", buf); | |
741 | } else if (feof(cat)) { | |
742 | trojanscan_privmsg_chan_or_nick(cp, np2, "%s", buf); | |
743 | } | |
744 | } | |
745 | ||
746 | fclose(cat); | |
747 | ||
748 | if (cp) { | |
749 | trojanscan_reply(np, "Spammed cat in %s.", cp->index->name->content); | |
750 | } else { | |
751 | trojanscan_reply(np, "Spammed cat at %s.", np2->nick); | |
752 | } | |
753 | ||
754 | return CMD_OK; | |
755 | } | |
756 | ||
757 | int trojanscan_reschedule(void *sender, int cargc, char **cargv) { | |
758 | nick *np = (nick *)sender; | |
759 | trojanscan_log(np, "reschedule", ""); | |
760 | trojanscan_fill_channels(NULL); | |
761 | ||
762 | trojanscan_reply(np, "Rescheduled."); | |
763 | return CMD_OK; | |
764 | } | |
765 | ||
766 | int trojanscan_listusers(void *sender, int cargc, char **cargv) { | |
767 | nick *np = (nick *)sender; | |
768 | ||
769 | trojanscan_log(np, "listusers", ""); | |
770 | ||
771 | trojanscan_reply(np, "User list:"); | |
772 | ||
773 | if (!(trojanscan_database_query("SELECT authname, authlevel FROM users ORDER BY authlevel DESC, authname"))) { | |
774 | trojanscan_database_res *res; | |
775 | if ((res = trojanscan_database_store_result(&trojanscan_sql))) { | |
776 | if (trojanscan_database_num_rows(res)) { | |
777 | trojanscan_database_row sqlrow; | |
778 | union trojanscan_userlevel flags; | |
779 | while((sqlrow = trojanscan_database_fetch_row(res))) { | |
780 | flags.number = atoi(sqlrow[1]); | |
781 | trojanscan_reply(np, "%s +" TROJANSCAN_FLAG_MASK, sqlrow[0], TrojanscanIsDeveloper(flags) ? "d" : "", TrojanscanIsTeamLeader(flags) ? "t" : "", TrojanscanIsStaff(flags) ? "s" : "", TrojanscanIsWebsite(flags) ? "w" : "", TrojanscanIsCat(flags) ? "c" : ""); | |
782 | } | |
783 | } | |
784 | trojanscan_database_free_result(res); | |
785 | } | |
786 | } | |
787 | ||
788 | trojanscan_reply(np, "Done."); | |
789 | return CMD_OK; | |
790 | } | |
791 | ||
792 | int trojanscan_help(void *sender, int cargc, char **cargv) { | |
793 | nick *np = (nick *)sender; | |
794 | ||
795 | if (cargc == 0) { | |
796 | trojanscan_reply(np, "Not enough parameters."); | |
797 | return CMD_ERROR; | |
798 | } | |
799 | ||
800 | if (!strcasecmp("help", cargv[0])) { | |
801 | trojanscan_reply(np, "Syntax: help <command name>"); | |
802 | trojanscan_reply(np, "Gives help on commands."); | |
803 | } else if (!strcasecmp("status", cargv[0])) { | |
804 | trojanscan_reply(np, "Syntax: status"); | |
805 | trojanscan_reply(np, "Gives statistical information about the bot."); | |
806 | } else if (!strcasecmp("join", cargv[0])) { | |
807 | trojanscan_reply(np, "Syntax: join <#channel>"); | |
808 | trojanscan_reply(np, "Orders a clone to join supplied channel."); | |
809 | } else if (!strcasecmp("showcommands", cargv[0])) { | |
810 | trojanscan_reply(np, "Syntax: showcommands"); | |
811 | trojanscan_reply(np, "Pretty obvious."); | |
812 | } else if (!strcasecmp("hello", cargv[0])) { | |
813 | trojanscan_reply(np, "Syntax: hello ?nickname?"); | |
814 | trojanscan_reply(np, "Creates a new user."); | |
815 | } else if (!strcasecmp("rehash", cargv[0])) { | |
816 | trojanscan_reply(np, "Syntax: rehash"); | |
817 | trojanscan_reply(np, "Reloads bot database."); | |
818 | } else if (!strcasecmp("changelev", cargv[0])) { | |
819 | trojanscan_reply(np, "Syntax: changelev <nickname or #authname> <flags>"); | |
820 | trojanscan_reply(np, "Changes access flags of selected user to supplied input."); | |
821 | trojanscan_reply(np, "+d -> developer"); | |
822 | trojanscan_reply(np, "+t -> team leader"); | |
823 | trojanscan_reply(np, "+s -> staff"); | |
824 | trojanscan_reply(np, "+w -> web management"); | |
825 | trojanscan_reply(np, "+c -> cat access"); | |
826 | } else if (!strcasecmp("deluser", cargv[0])) { | |
827 | trojanscan_reply(np, "Syntax: deluser <nickname or #authname>"); | |
828 | trojanscan_reply(np, "Deletes selected user from my database."); | |
829 | } else if (!strcasecmp("mew", cargv[0])) { | |
830 | trojanscan_reply(np, "Syntax: mew <#channel or nickname> <nickname>"); | |
831 | trojanscan_reply(np, "Gracefully mews at target in selected channel or query."); | |
832 | } else if (!strcasecmp("cat", cargv[0])) { | |
833 | trojanscan_reply(np, "Syntax: cat <#channel or nickname>"); | |
834 | trojanscan_reply(np, "Shows the almightly cat."); | |
835 | } else if (!strcasecmp("reschedule", cargv[0])) { | |
836 | trojanscan_reply(np, "Syntax: reschedule"); | |
837 | trojanscan_reply(np, "Recalculates bots schedule."); | |
838 | } else if (!strcasecmp("chanlist", cargv[0])) { | |
839 | trojanscan_reply(np, "Syntax: chanlist"); | |
840 | trojanscan_reply(np, "Displays bots current channel list."); | |
841 | } else if (!strcasecmp("whois", cargv[0])) { | |
842 | trojanscan_reply(np, "Syntax: whois <nickname or #authname>"); | |
843 | trojanscan_reply(np, "Displays information on given user."); | |
844 | } else if (!strcasecmp("whois", cargv[0])) { | |
845 | trojanscan_reply(np, "Syntax: listusers <flags>"); | |
846 | trojanscan_reply(np, "Displays users with listusersing flags."); | |
847 | } else { | |
848 | trojanscan_reply(np, "Command not found."); | |
849 | return CMD_ERROR; | |
850 | } | |
851 | ||
852 | return CMD_OK; | |
853 | } | |
854 | ||
855 | int trojanscan_hello(void *sender, int cargc, char **cargv) { | |
856 | nick *np = (nick *)sender, *toadd; | |
857 | char eaccount[TROJANSCAN_QUERY_TEMP_BUF_SIZE]; | |
858 | int level = 0; | |
859 | ||
860 | if (cargc > 0) { | |
861 | toadd = getnickbynick(cargv[0]); | |
862 | if (!toadd) { | |
863 | trojanscan_reply(np, "That nickname is not on the network."); | |
864 | return CMD_ERROR; | |
865 | } | |
866 | if (!IsAccount(toadd)) { | |
867 | trojanscan_reply(np, "That user is not authed with the network."); | |
868 | return CMD_ERROR; | |
869 | } | |
870 | } else { | |
871 | if (!IsAccount(np)) { | |
872 | trojanscan_reply(np, "You are not authed with the network, auth before creating your user."); | |
873 | return CMD_ERROR; | |
874 | } | |
875 | toadd = np; | |
876 | } | |
877 | ||
878 | if (trojanscan_user_level_by_authname(toadd->authname)!=-1) { | |
879 | trojanscan_reply(np, "Authname (%s) is already on file.", toadd->authname); | |
880 | return CMD_ERROR; | |
881 | } | |
882 | ||
883 | trojanscan_log(np, "hello", toadd->authname); | |
884 | ||
885 | if (!(trojanscan_database_query("SELECT id FROM users LIMIT 1"))) { | |
886 | trojanscan_database_res *res; | |
887 | if ((res = trojanscan_database_store_result(&trojanscan_sql))) { | |
888 | if (trojanscan_database_num_rows(res) == 0) | |
889 | level = TROJANSCAN_ACL_DEVELOPER | TROJANSCAN_ACL_STAFF | TROJANSCAN_ACL_WEBSITE | TROJANSCAN_ACL_CAT; | |
890 | trojanscan_database_free_result(res); | |
891 | } | |
892 | } | |
893 | ||
894 | trojanscan_database_escape_string(eaccount, toadd->authname, strlen(toadd->authname)); | |
895 | trojanscan_database_query("INSERT INTO users (authname, authlevel) VALUES ('%s', %d)", eaccount, level); | |
896 | trojanscan_reply(np, "Account added to database, account %s%s.", toadd->authname, level>0?" (first user so developer access)":""); | |
897 | ||
898 | return CMD_OK; | |
899 | } | |
900 | ||
901 | int trojanscan_user_level_by_authname(char *authname) { | |
902 | int result = -1, sl = strlen(authname); | |
903 | char eaccount[TROJANSCAN_QUERY_TEMP_BUF_SIZE]; | |
904 | ||
905 | trojanscan_database_escape_string(eaccount, authname, sl); | |
906 | if (!(trojanscan_database_query("SELECT authlevel, authname FROM users WHERE authname = '%s'", eaccount))) { | |
907 | trojanscan_database_res *res; | |
908 | if ((res = trojanscan_database_store_result(&trojanscan_sql))) { | |
909 | if (trojanscan_database_num_rows(res) > 0) { | |
910 | trojanscan_database_row sqlrow = trojanscan_database_fetch_row(res); | |
911 | result = atoi(sqlrow[0]); | |
707e6470 | 912 | strlcpy(authname, sqlrow[1], sl + 1); |
c86edd1d Q |
913 | } |
914 | trojanscan_database_free_result(res); | |
915 | } | |
916 | } | |
917 | return result; | |
918 | } | |
919 | ||
920 | int trojanscan_user_id_by_authname(char *authname) { | |
921 | int result = 0; | |
922 | char eaccount[TROJANSCAN_QUERY_TEMP_BUF_SIZE]; | |
923 | ||
924 | trojanscan_database_escape_string(eaccount, authname, strlen(authname)); | |
925 | if (!(trojanscan_database_query("SELECT id FROM users WHERE authname = '%s'", eaccount))) { | |
926 | trojanscan_database_res *res; | |
927 | if ((res = trojanscan_database_store_result(&trojanscan_sql))) { | |
928 | if (trojanscan_database_num_rows(res) > 0) { | |
929 | trojanscan_database_row sqlrow = trojanscan_database_fetch_row(res); | |
930 | result = atoi(sqlrow[0]); | |
931 | } | |
932 | trojanscan_database_free_result(res); | |
933 | } | |
934 | } | |
935 | return result; | |
936 | } | |
937 | ||
938 | struct trojanscan_clones *trojanscan_selectclone(char type) { | |
939 | struct trojanscan_clones *rc; | |
940 | int randomclone, hits = 0, minlimit, maxlimit; | |
941 | ||
942 | if(type == TROJANSCAN_WATCH_CLONES) { | |
943 | minlimit = TROJANSCAN_CLONE_MAX; | |
378cf1b9 | 944 | maxlimit = minlimit + TROJANSCAN_WATCHCLONE_MAX - 1; |
c86edd1d Q |
945 | } else { |
946 | minlimit = 0; | |
947 | maxlimit = TROJANSCAN_CLONE_MAX - 1; | |
948 | } | |
949 | ||
950 | do { | |
951 | randomclone = trojanscan_minmaxrand(minlimit, maxlimit); | |
952 | if (hits++ > 200) | |
953 | return NULL; | |
954 | rc = &trojanscan_swarm[randomclone]; | |
955 | if ((type == TROJANSCAN_NORMAL_CLONES) && (rc->sitting == 0) && (rc->remaining == 0)) | |
956 | break; | |
957 | ||
958 | } while (rc->remaining == 0); | |
959 | ||
960 | if(type == TROJANSCAN_NORMAL_CLONES) { | |
961 | if ((rc->sitting == 0) && (rc->remaining == 0)) { | |
962 | if ((!rc->remaining) && (!rc->sitting)) { | |
963 | if (rc->clone) { | |
964 | deregisterlocaluser(rc->clone, NULL); | |
965 | rc->clone = NULL; | |
966 | } | |
967 | trojanscan_generateclone((void *)rc->index); | |
968 | } | |
969 | } | |
c86edd1d Q |
970 | } |
971 | ||
972 | return rc; | |
973 | ||
974 | } | |
975 | ||
2e9a528b P |
976 | /* hack hack hack */ |
977 | int trojanscan_nickbanned(trojanscan_clones *np, channel *cp) { | |
978 | int ret; | |
979 | long realip = np->clone->ipaddress; | |
980 | ||
981 | np->clone->ipaddress = np->fakeip; | |
982 | ||
983 | ret = nickbanned(np->clone, cp); | |
984 | ||
985 | np->clone->ipaddress = realip; | |
986 | ||
987 | return ret; | |
988 | } | |
989 | ||
c86edd1d Q |
990 | struct trojanscan_realchannels *trojanscan_allocaterc(char *chan) { |
991 | struct trojanscan_realchannels *rc; | |
992 | struct trojanscan_clones *clonep; | |
993 | channel *cp; | |
378cf1b9 | 994 | int attempts_left = 10; |
c86edd1d Q |
995 | |
996 | if (!chan) { | |
997 | trojanscan_errorcode = 1; /* sorry splidge ;( */ | |
998 | return NULL; | |
999 | } | |
1000 | ||
1001 | if(chan[0] != '#') { | |
1002 | trojanscan_errorcode = 2; | |
1003 | return NULL; | |
1004 | } | |
1005 | ||
1006 | if (strlen(chan) > 1) { | |
1007 | if(strrchr(chan, ',')) { | |
1008 | trojanscan_errorcode = 3; | |
1009 | return NULL; | |
1010 | } | |
1011 | ||
1012 | if(strrchr(chan, ' ')) { | |
1013 | trojanscan_errorcode = 4; | |
1014 | return NULL; | |
1015 | } | |
1016 | } | |
1017 | ||
1018 | cp = findchannel(chan); | |
1019 | if (!cp) { | |
1020 | trojanscan_errorcode = 5; | |
1021 | return NULL; | |
1022 | } | |
378cf1b9 CP |
1023 | |
1024 | do { | |
1025 | clonep = trojanscan_selectclone(TROJANSCAN_NORMAL_CLONES); | |
1026 | if (!clonep) { | |
1027 | trojanscan_errorcode = 6; | |
1028 | return NULL; | |
1029 | } | |
2e9a528b | 1030 | if(!trojanscan_nickbanned(clonep, cp)) |
378cf1b9 CP |
1031 | break; |
1032 | } while (--attempts_left > 0); | |
1033 | ||
1034 | if (!attempts_left) { | |
1035 | trojanscan_errorcode = 7; | |
c86edd1d Q |
1036 | return NULL; |
1037 | } | |
378cf1b9 | 1038 | |
c86edd1d Q |
1039 | rc = (struct trojanscan_realchannels *)malloc(sizeof(struct trojanscan_realchannels)); |
1040 | ||
1041 | rc->next = NULL; | |
1042 | rc->clone = clonep; | |
1043 | rc->chan = cp; | |
1044 | rc->donotpart = 0; | |
1045 | rc->kickedout = 0; | |
1046 | return rc; | |
1047 | } | |
1048 | ||
1049 | void trojanscan_join(struct trojanscan_realchannels *rc) { | |
1050 | struct trojanscan_realchannels *rp = trojanscan_realchanlist; | |
1051 | ||
1052 | if (rc->clone && rc->clone->clone) { | |
1053 | if (!localjoinchannel(rc->clone->clone, rc->chan)) { | |
31f37482 CP |
1054 | rc->clone->remaining--; |
1055 | rc->clone->sitting++; | |
c86edd1d Q |
1056 | if (trojanscan_minmaxrand(1, TROJANSCAN_NICKCHANGE_ODDS)%TROJANSCAN_NICKCHANGE_ODDS == 0) |
1057 | trojanscan_donickchange((void *)rc->clone); | |
1058 | ||
1059 | rc->schedule = scheduleoneshot(time(NULL)+trojanscan_part_time, &trojanscan_dopart, (void *)rc); | |
1060 | ||
1061 | if (rp) { | |
1062 | for(;rp->next;rp=rp->next); | |
1063 | rp->next = rc; | |
1064 | } else { | |
1065 | trojanscan_realchanlist = rc; | |
1066 | } | |
1067 | } | |
1068 | } | |
1069 | ||
1070 | } | |
1071 | ||
1072 | int trojanscan_userjoin(void *sender, int cargc, char **cargv) { | |
1073 | nick *np = (nick *)sender; | |
1074 | struct trojanscan_realchannels *rc; | |
1075 | ||
1076 | if (cargc < 1) { | |
1077 | trojanscan_reply(np, "Not enough paramaters"); | |
1078 | return CMD_ERROR; | |
1079 | } | |
1080 | ||
1081 | if (!trojanscan_swarm_created) { | |
1082 | trojanscan_reply(np, "My swarm is currently empty."); | |
1083 | return CMD_OK; | |
1084 | } | |
1085 | ||
1086 | if((rc = trojanscan_allocaterc(cargv[0]))) { | |
1087 | trojanscan_log(np, "join", cargv[0]); | |
1088 | trojanscan_join(rc); | |
1089 | trojanscan_reply(np, "Clone has joined channel."); | |
1090 | if(!IsOper(np)) | |
1091 | trojanscan_mainchanmsg("n: join: %s (%s/%s)", cargv[0], np->nick, np->authname); | |
1092 | } else { | |
1093 | if (trojanscan_errorcode == 5) { | |
1094 | trojanscan_reply(np, "Not joining empty channel, check you entered the correct channel name."); | |
1095 | } else { | |
1096 | trojanscan_reply(np, "Clone could not join channel (error code %d)!", trojanscan_errorcode); | |
1097 | } | |
1098 | } | |
1099 | return CMD_OK; | |
1100 | } | |
1101 | ||
1102 | int trojanscan_rehash(void *sender, int cargc, char **cargv) { | |
1103 | nick *np = (void *)sender; | |
1104 | trojanscan_read_database(0); | |
1105 | trojanscan_log(np, "rehash", ""); | |
1106 | trojanscan_reply(np, "Done."); | |
1107 | return CMD_OK; | |
1108 | } | |
1109 | ||
1110 | int trojanscan_changelev(void *sender, int cargc, char **cargv) { | |
1111 | nick *np = (nick *)sender, *np2; | |
1112 | int templevel; | |
1113 | char eaccount[TROJANSCAN_QUERY_TEMP_BUF_SIZE], *tochange, *p, mode = 1, error = 0, clast = 0, specialcase; | |
1114 | union trojanscan_userlevel flags1, flags2; | |
1115 | ||
1116 | if (cargc < 2) { | |
1117 | trojanscan_reply(np, "Not enough parameters."); | |
1118 | return CMD_ERROR; | |
1119 | } | |
1120 | ||
1121 | templevel = trojanscan_user_level_by_authname(np->authname); | |
1122 | ||
1123 | if (templevel == -1) { | |
1124 | trojanscan_reply(np, "You do not have an account."); | |
1125 | return CMD_ERROR; | |
1126 | } | |
1127 | ||
1128 | flags1.number = templevel; | |
1129 | ||
1130 | if (cargv[0][0] == '#') { | |
1131 | tochange = cargv[0] + 1; | |
1132 | } else { | |
1133 | np2 = getnickbynick(cargv[0]); | |
1134 | if (!np2) { | |
1135 | trojanscan_reply(np, "That nickname is not on the network."); | |
1136 | return CMD_ERROR; | |
1137 | } | |
1138 | if (!IsAccount(np2)) { | |
1139 | trojanscan_reply(np, "That user is not authed with the network."); | |
1140 | return CMD_ERROR; | |
1141 | } | |
1142 | tochange = np2->authname; | |
1143 | } | |
1144 | ||
1145 | templevel = trojanscan_user_level_by_authname(tochange); | |
1146 | ||
1147 | if (templevel == -1) { | |
1148 | trojanscan_reply(np, "User does not exist."); | |
1149 | return CMD_ERROR; | |
1150 | } | |
1151 | ||
1152 | flags2.number = templevel; | |
1153 | ||
1154 | if (!ircd_strcmp(np->authname, tochange)) { | |
1155 | specialcase = 1; | |
1156 | } else { | |
1157 | specialcase = 0; | |
1158 | } | |
1159 | ||
1160 | for (p=cargv[1];*p;p++) { | |
1161 | switch (*p) { | |
1162 | case '+': | |
1163 | case '-': | |
1164 | mode = (*p == '+'); | |
1165 | break; | |
1166 | case 'd': | |
1167 | if (!TrojanscanIsDeveloper(flags1)) | |
1168 | clast = 1; | |
1169 | flags2.values.developer = mode; | |
1170 | break; | |
1171 | case 't': | |
1172 | if (!TrojanscanIsDeveloper(flags1)) | |
1173 | clast = 1; | |
1174 | flags2.values.teamleader = mode; | |
1175 | break; | |
1176 | case 's': | |
1177 | if (!TrojanscanIsLeastTeamLeader(flags1)) | |
1178 | clast = 1; | |
1179 | flags2.values.staff = mode; | |
1180 | break; | |
1181 | case 'w': | |
1182 | if (!TrojanscanIsDeveloper(flags1)) | |
1183 | clast = 1; | |
1184 | flags2.values.website = mode; | |
1185 | break; | |
1186 | case 'c': | |
1187 | if (!TrojanscanIsDeveloper(flags1)) | |
1188 | clast = 1; | |
1189 | flags2.values.cat = mode; | |
1190 | break; | |
1191 | default: | |
1192 | error = 1; | |
1193 | goto last; | |
1194 | break; | |
1195 | } | |
1196 | if (clast == 1) { | |
1197 | if (specialcase && !mode) { /* allow user to remove their own flags */ | |
1198 | clast = 0; | |
1199 | } else { | |
1200 | goto last; | |
1201 | } | |
1202 | } | |
1203 | } | |
1204 | ||
1205 | last: | |
1206 | if (*p) { | |
1207 | if (error) { | |
1208 | trojanscan_reply(np, "Unknown mode: %c%c.", mode?'+':'-', *p); | |
1209 | } else { | |
1210 | trojanscan_reply(np, "You have insufficient privilidges to add/remove one or more flags specified."); | |
1211 | } | |
1212 | return CMD_ERROR; | |
1213 | } | |
1214 | ||
1215 | trojanscan_log(np, "changelev", "%s %s", tochange, cargv[1]); | |
1216 | trojanscan_database_escape_string(eaccount, tochange, strlen(tochange)); | |
1217 | trojanscan_database_query("UPDATE users SET authlevel = %d WHERE authname = '%s'", flags2.number, eaccount); | |
1218 | ||
1219 | trojanscan_reply(np, "Flags changed."); | |
1220 | ||
1221 | return CMD_OK; | |
1222 | } | |
1223 | ||
1224 | int trojanscan_deluser(void *sender, int cargc, char **cargv) { | |
1225 | nick *np = (nick *)sender, *to; | |
1226 | int templevel; | |
1227 | char eaccount[TROJANSCAN_QUERY_TEMP_BUF_SIZE], *account; | |
1228 | union trojanscan_userlevel flags1, flags2; | |
1229 | ||
1230 | if (cargc < 1) { | |
1231 | trojanscan_reply(np, "Not enough parameters."); | |
1232 | return CMD_ERROR; | |
1233 | } | |
1234 | ||
1235 | if (cargv[0][0] == '#') { | |
1236 | account = cargv[0] + 1; | |
1237 | } else { | |
1238 | to = getnickbynick(cargv[0]); | |
1239 | if (!to) { | |
1240 | trojanscan_reply(np, "That nickname is not on the network."); | |
1241 | return CMD_ERROR; | |
1242 | } | |
1243 | if (!IsAccount(to)) { | |
1244 | trojanscan_reply(np, "That user is not authed with the network."); | |
1245 | return CMD_ERROR; | |
1246 | } | |
1247 | account = to->authname; | |
1248 | } | |
1249 | ||
1250 | flags1.number = trojanscan_user_level_by_authname(np->authname); | |
1251 | templevel = trojanscan_user_level_by_authname(account); | |
1252 | ||
1253 | if (templevel == -1) { | |
1254 | trojanscan_reply(np, "Auth %s does not exist.", account); | |
1255 | return CMD_ERROR; | |
1256 | } | |
1257 | ||
1258 | flags2.number = templevel; | |
1259 | ||
1260 | if (!TrojanscanIsDeveloper(flags1) && TrojanscanIsLeastTeamLeader(flags2)) { | |
1261 | trojanscan_reply(np, "Your cannot delete %s as his/her flags equal or surpass your own.", account); | |
1262 | return CMD_ERROR; | |
1263 | } | |
1264 | ||
1265 | trojanscan_log(np, "deluser", account); | |
1266 | trojanscan_database_escape_string(eaccount, account, strlen(account)); | |
1267 | trojanscan_database_query("DELETE FROM users WHERE authname = '%s'", eaccount); | |
1268 | trojanscan_reply(np, "User deleted."); | |
1269 | ||
1270 | return CMD_OK; | |
1271 | } | |
1272 | ||
1273 | int trojanscan_add_ll(struct trojanscan_prechannels **head, struct trojanscan_prechannels *newitem) { | |
1274 | struct trojanscan_prechannels *position, *lastitem = NULL, *location = NULL; | |
1275 | if (!*head) { | |
1276 | *head = newitem; | |
1277 | newitem->next = NULL; | |
1278 | if (newitem->exempt) { | |
1279 | return 0; | |
1280 | } else { | |
1281 | return 1; | |
1282 | } | |
1283 | } | |
1284 | /* if its exempt, we don't give a monkeys where it is... */ | |
1285 | if (newitem->exempt) { | |
1286 | newitem->next = *head; | |
1287 | *head = newitem; | |
1288 | return 0; | |
1289 | } | |
1290 | ||
1291 | for(position=*head;position;lastitem=position,position=position->next) { | |
1292 | if (!ircd_strcmp(position->name->content, newitem->name->content)) { | |
1293 | free(newitem); | |
1294 | return 0; | |
1295 | } | |
1296 | if (!location && (position->size < newitem->size)) { | |
1297 | if (!lastitem) { | |
1298 | location = *head; | |
1299 | } else { | |
1300 | location = lastitem; | |
1301 | } | |
1302 | } | |
1303 | } | |
1304 | if (!location) { | |
1305 | newitem->next = NULL; | |
1306 | lastitem->next = newitem; | |
1307 | } else { | |
1308 | newitem->next = location->next; | |
1309 | location->next = newitem; | |
1310 | } | |
1311 | if(newitem->exempt) { | |
1312 | return 0; | |
1313 | } else { | |
1314 | return 1; | |
1315 | } | |
1316 | } | |
1317 | ||
1318 | void trojanscan_watch_clone_update(struct trojanscan_prechannels *hp, int count) { | |
378cf1b9 | 1319 | int i, j, marked; |
c86edd1d | 1320 | struct trojanscan_prechannels *lp; |
1fbb1306 | 1321 | struct trojanscan_templist *markedlist = NULL; |
378cf1b9 | 1322 | |
c86edd1d | 1323 | if(count > 0) { |
378cf1b9 | 1324 | markedlist = (struct trojanscan_templist *)calloc(count, sizeof(struct trojanscan_templist)); |
c86edd1d Q |
1325 | if (!markedlist) |
1326 | return; | |
1327 | } | |
1328 | ||
1329 | for(i=0;i<trojanscan_activechans;i++) { | |
1330 | marked = 0; | |
1fbb1306 CP |
1331 | if(markedlist) { |
1332 | for(lp=hp,j=0;j<count&&lp;j++,lp=lp->next) { | |
1333 | if(!markedlist[j].active && !lp->exempt && !ircd_strcmp(lp->name->content, trojanscan_chans[i].channel->content)) { /* we're already on the channel */ | |
1334 | if(trojanscan_chans[i].watch_clone) { | |
1335 | markedlist[j].active = 1; | |
1336 | markedlist[j].watch_clone = trojanscan_chans[i].watch_clone; | |
1337 | lp->watch_clone = trojanscan_chans[i].watch_clone; | |
1338 | } | |
1339 | marked = 1; | |
1340 | break; | |
378cf1b9 | 1341 | } |
c86edd1d Q |
1342 | } |
1343 | } | |
378cf1b9 CP |
1344 | if(!marked && trojanscan_chans[i].watch_clone) { |
1345 | channel *cp = findchannel(trojanscan_chans[i].channel->content); | |
1346 | if(cp) | |
1347 | localpartchannel(trojanscan_chans[i].watch_clone->clone, cp); | |
c86edd1d Q |
1348 | } |
1349 | } | |
1350 | ||
1fbb1306 CP |
1351 | if(!markedlist) |
1352 | return; | |
1353 | ||
c86edd1d | 1354 | for(j=0,lp=hp;j<count&&lp;j++,lp=lp->next) { |
378cf1b9 CP |
1355 | if((!markedlist[j].active || !markedlist[j].watch_clone) && !lp->exempt) { |
1356 | channel *cp = findchannel(lp->name->content); | |
1357 | if(cp) { | |
1358 | int attempts = 10; | |
1359 | do { | |
1360 | lp->watch_clone = trojanscan_selectclone(TROJANSCAN_WATCH_CLONES); | |
1361 | if(!lp->watch_clone) | |
1362 | break; | |
2e9a528b | 1363 | if(!trojanscan_nickbanned(lp->watch_clone, cp)) { |
1fe41720 CP |
1364 | if(localjoinchannel(lp->watch_clone->clone, cp)) |
1365 | lp->watch_clone = NULL; | |
378cf1b9 CP |
1366 | break; |
1367 | } | |
1368 | } while(--attempts > 0); | |
1369 | if(!attempts) | |
1370 | lp->watch_clone = NULL; | |
1371 | ||
1372 | } | |
c86edd1d | 1373 | } |
c86edd1d Q |
1374 | } |
1375 | ||
1376 | free(markedlist); | |
1377 | } | |
1378 | ||
1379 | void trojanscan_fill_channels(void *arg) { | |
1380 | struct trojanscan_prechannels *head = NULL, *lp, *last = NULL; | |
1381 | int i, count, tempctime = 0; | |
1382 | ||
1383 | chanindex *chn; | |
1384 | ||
1385 | for (count=i=0;i<trojanscan_database.total_channels;i++) { | |
1386 | lp = (trojanscan_prechannels *)malloc(sizeof(trojanscan_prechannels)); | |
1387 | lp->name = trojanscan_database.channels[i].name; | |
1388 | lp->size = 65535; | |
1389 | lp->exempt = trojanscan_database.channels[i].exempt; | |
378cf1b9 | 1390 | lp->watch_clone = NULL; |
c86edd1d Q |
1391 | if (trojanscan_add_ll(&head, lp)) |
1392 | count++; | |
1393 | } | |
1394 | ||
1395 | for (i=0;i<CHANNELHASHSIZE;i++) { | |
1396 | for(chn=chantable[i];chn;chn=chn->next) { | |
0d182ada | 1397 | if (chn->channel && !IsKey(chn->channel) && !IsInviteOnly(chn->channel) && !IsRegOnly(chn->channel) && (chn->channel->users->totalusers >= trojanscan_minchansize)) { |
c86edd1d Q |
1398 | lp = (trojanscan_prechannels *)malloc(sizeof(trojanscan_prechannels)); |
1399 | lp->name = chn->name; | |
1400 | lp->size = chn->channel->users->totalusers; | |
1401 | lp->exempt = 0; | |
378cf1b9 | 1402 | lp->watch_clone = NULL; |
c86edd1d Q |
1403 | if (trojanscan_add_ll(&head, lp)) |
1404 | count++; | |
1405 | } | |
1406 | } | |
1407 | } | |
1408 | ||
1409 | count = TROJANSCAN_MMIN(count, trojanscan_maxchans); | |
1410 | ||
378cf1b9 | 1411 | trojanscan_watch_clone_update(head, count); |
c86edd1d Q |
1412 | |
1413 | trojanscan_free_channels(); | |
378cf1b9 | 1414 | trojanscan_chans = (struct trojanscan_inchannel *)calloc(count, sizeof(struct trojanscan_inchannel)); |
c86edd1d Q |
1415 | trojanscan_activechans = count; |
1416 | i = 0; | |
378cf1b9 | 1417 | |
c86edd1d | 1418 | for(lp=head;lp;last=lp,lp=lp->next) { |
378cf1b9 CP |
1419 | if (!(lp->exempt) && (i < count)) { |
1420 | trojanscan_chans[i].channel = getsstring(lp->name->content, lp->name->length); | |
1421 | trojanscan_chans[i++].watch_clone = lp->watch_clone; | |
1422 | } | |
c86edd1d Q |
1423 | if (last) |
1424 | free(last); | |
1425 | } | |
1426 | ||
1427 | if (last) | |
1428 | free(last); | |
1429 | ||
1430 | if (trojanscan_activechans > 0) { | |
1431 | tempctime = trojanscan_cycletime / trojanscan_activechans; | |
1432 | } else { | |
1433 | tempctime = 60; | |
1434 | trojanscan_mainchanmsg("d: just escaped a divide by zero error (no activechans!), rescheduling in 60 seconds"); | |
1435 | } | |
1436 | ||
1437 | if(trojanscan_schedule) | |
1438 | deleteschedule(trojanscan_schedule, &trojanscan_dojoin, NULL); | |
1439 | ||
1440 | trojanscan_channumber = 0; | |
1441 | ||
1442 | trojanscan_schedule = schedulerecurring(time(NULL) + tempctime, trojanscan_activechans + 1, tempctime, trojanscan_dojoin, NULL); | |
1443 | ||
1444 | } | |
1445 | ||
1446 | void trojanscan_dojoin(void *arg) { | |
1447 | struct trojanscan_realchannels *rc; | |
1448 | if (trojanscan_channumber >= trojanscan_activechans) { | |
1449 | trojanscan_schedule = NULL; | |
1450 | trojanscan_fill_channels(NULL); | |
1451 | } else { | |
378cf1b9 | 1452 | if ((rc = trojanscan_allocaterc(trojanscan_chans[trojanscan_channumber++].channel->content))) |
c86edd1d Q |
1453 | trojanscan_join(rc); |
1454 | } | |
1455 | } | |
1456 | ||
1457 | ||
1458 | void trojanscan_dopart(void *arg) { | |
1459 | struct trojanscan_realchannels *rc = (struct trojanscan_realchannels *)arg, *rp, *past = NULL; | |
1460 | ||
1461 | if (rc->kickedout) { /* there's a join scheduled, wait for it (reschedule) */ | |
1462 | rc->schedule = scheduleoneshot(time(NULL)+5, &trojanscan_dopart, (void *)rc); | |
1463 | return; | |
1464 | } | |
1465 | ||
31f37482 | 1466 | if (rc->clone->clone && (!(rc->donotpart))) |
c86edd1d | 1467 | localpartchannel(rc->clone->clone, rc->chan); |
31f37482 | 1468 | |
c86edd1d Q |
1469 | rc->clone->sitting--; |
1470 | ||
1471 | for(rp=trojanscan_realchanlist;rp;rp=rp->next) { | |
1472 | if (rp == rc) { | |
1473 | if (!past) { | |
1474 | trojanscan_realchanlist = rp->next; | |
1475 | } else { | |
1476 | past->next = rp->next; | |
1477 | } | |
1478 | free(rp); | |
1479 | break; | |
1480 | } | |
1481 | past = rp; | |
1482 | } | |
1483 | ||
1484 | } | |
1485 | ||
1486 | void trojanscan_donickchange(void *arg) { /* just incase I choose to make this schedule at some point */ | |
1487 | struct trojanscan_clones *clone = (trojanscan_clones *)arg; | |
1488 | if (clone && clone->clone) { | |
1489 | char c_nick[NICKLEN+1]; | |
1490 | int loops = 0; | |
1491 | /* PPA: unlikely to be infinite */ | |
1492 | do { | |
1493 | if ((loops++ < 10) && trojanscan_hostmode) { | |
1494 | trojanscan_generatenick(c_nick, NICKLEN); | |
1495 | } else { | |
1496 | trojanscan_gennick(c_nick, trojanscan_minmaxrand(7, TROJANSCAN_MMIN(13, NICKLEN))); | |
1497 | } | |
1498 | } while (c_nick && (getnickbynick(c_nick) != NULL)); | |
1499 | ||
1500 | renamelocaluser(clone->clone, c_nick); | |
1501 | } | |
1502 | ||
1503 | } | |
1504 | ||
1505 | int trojanscan_keysort(const void *v1, const void *v2) { | |
1506 | return ((*(trojanscan_prechannels **)v2)->size - (*(trojanscan_prechannels **)v1)->size); | |
1507 | } | |
1508 | ||
1509 | int trojanscan_showcommands(void *sender, int cargc, char **cargv) { | |
1510 | nick *np = (nick *)sender; | |
1511 | Command *cmdlist[100]; | |
1512 | int i, n; | |
1513 | char level = 0; | |
1514 | ||
1515 | n = getcommandlist(trojanscan_cmds, cmdlist, 100); | |
1516 | ||
1517 | trojanscan_reply(np, "The following commands are registered at present:"); | |
1518 | ||
1519 | for(i=0;i<n;i++) { | |
1520 | if (cmdlist[i]->level & TROJANSCAN_ACL_STAFF) { | |
1521 | level = 's'; | |
1522 | } else if (cmdlist[i]->level & TROJANSCAN_ACL_DEVELOPER) { | |
1523 | level = 'd'; | |
1524 | } else if (cmdlist[i]->level & TROJANSCAN_ACL_TEAMLEADER) { | |
1525 | level = 't'; | |
1526 | } else if (cmdlist[i]->level & TROJANSCAN_ACL_CAT) { | |
1527 | level = 'c'; | |
1528 | } else if (cmdlist[i]->level & TROJANSCAN_ACL_WEBSITE) { | |
1529 | level = 'w'; | |
1530 | } else if (cmdlist[i]->level & TROJANSCAN_ACL_UNAUTHED) { | |
1531 | level = 0; | |
1532 | } | |
1533 | if (level) { | |
1534 | trojanscan_reply(np, "%s (+%c)", cmdlist[i]->command->content, level); | |
1535 | } else { | |
1536 | trojanscan_reply(np, "%s", cmdlist[i]->command->content); | |
1537 | } | |
1538 | } | |
1539 | trojanscan_reply(np, "End of list."); | |
1540 | return CMD_OK; | |
1541 | } | |
1542 | ||
1543 | void trojanscan_handlemessages(nick *target, int messagetype, void **args) { | |
1544 | Command *cmd; | |
1545 | char *cargv[50]; | |
1546 | int cargc, templevel; | |
1547 | nick *sender; | |
1548 | union trojanscan_userlevel level; | |
1549 | ||
1550 | switch(messagetype) { | |
1551 | case LU_PRIVMSG: | |
1552 | case LU_SECUREMSG: | |
1553 | /* If it's a message, first arg is nick and second is message */ | |
1554 | sender = (nick *)args[0]; | |
1555 | ||
1556 | if(strncmp(TROJANSCAN_VERSION_DETECT, args[1], sizeof(TROJANSCAN_VERSION_DETECT)-1)==0) { | |
1557 | char p = ((char *)args[1])[sizeof(TROJANSCAN_VERSION_DETECT)-1]; | |
1558 | if((p == ' ') || (p == '\0') || (p == 1)) { | |
1559 | 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); | |
1560 | return; | |
1561 | } | |
1562 | } | |
1563 | ||
1564 | /* Split the line into params */ | |
1565 | cargc = splitline((char *)args[1], cargv, 50, 0); | |
1566 | ||
1567 | cmd=findcommandintree(trojanscan_cmds, cargv[0], 1); | |
1568 | if (!cmd) { | |
1569 | trojanscan_reply(sender, "Unknown command."); | |
1570 | return; | |
1571 | } | |
1572 | ||
1573 | if ((cmd->level & TROJANSCAN_ACL_OPER) && !IsOper(sender)) { | |
1574 | trojanscan_reply(sender, "You need to be opered to use this command."); | |
1575 | return; | |
1576 | } | |
1577 | ||
1578 | /* bit grim code... */ | |
1579 | ||
1580 | if (!(cmd->level & TROJANSCAN_ACL_UNAUTHED)) { | |
1581 | if (!IsAccount(sender)) { | |
1582 | trojanscan_reply(sender, "You must be authed with the network to access this command!"); | |
1583 | return; | |
1584 | } | |
1585 | templevel = trojanscan_user_level_by_authname(sender->authname); | |
1586 | ||
1587 | if (templevel == -1) { | |
1588 | trojanscan_reply(sender, "You do not have an account."); | |
1589 | return; | |
1590 | } | |
1591 | ||
1592 | level.number = templevel; | |
1593 | ||
1594 | if ((cmd->level & TROJANSCAN_ACL_DEVELOPER) && !TrojanscanIsDeveloper(level)) { | |
1595 | trojanscan_reply(sender, "Access denied."); | |
1596 | return; | |
1597 | } | |
1598 | if ((cmd->level & TROJANSCAN_ACL_TEAMLEADER) && !TrojanscanIsLeastTeamLeader(level)) { | |
1599 | trojanscan_reply(sender, "Access denied."); | |
1600 | return; | |
1601 | } | |
1602 | if ((cmd->level & TROJANSCAN_ACL_STAFF) && !TrojanscanIsLeastStaff(level)) { | |
1603 | trojanscan_reply(sender, "Access denied."); | |
1604 | return; | |
1605 | } | |
1606 | if ((cmd->level & TROJANSCAN_ACL_CAT) && !TrojanscanIsCat(level)) { | |
1607 | trojanscan_reply(sender, "Access denied."); | |
1608 | return; | |
1609 | } | |
1610 | if ((cmd->level & TROJANSCAN_ACL_WEBSITE) && !TrojanscanIsLeastWebsite(level)) { | |
1611 | trojanscan_reply(sender, "Access denied."); | |
1612 | return; | |
1613 | } | |
1614 | } | |
1615 | ||
1616 | /* Check the maxargs */ | |
1617 | if (cmd->maxparams<(cargc-1)) { | |
1618 | /* We need to do some rejoining */ | |
1619 | rejoinline(cargv[cmd->maxparams], cargc-(cmd->maxparams)); | |
1620 | cargc = (cmd->maxparams) + 1; | |
1621 | } | |
1622 | ||
1623 | (cmd->handler)((void *)sender, cargc - 1, &(cargv[1])); | |
1624 | break; | |
1625 | ||
1626 | case LU_KILLED: | |
1627 | /* someone killed me? Bastards */ | |
1628 | trojanscan_connect_schedule = scheduleoneshot(time(NULL) + 1, &trojanscan_connect, NULL); | |
1629 | trojanscan_nick = NULL; | |
1630 | break; | |
1631 | ||
1632 | default: | |
1633 | break; | |
1634 | } | |
1635 | } | |
1636 | ||
1637 | char trojanscan_getmtfrommessagetype(int input) { | |
1638 | switch(input) { | |
1639 | case LU_PRIVMSG: return 'm'; | |
1640 | case LU_PRIVNOTICE: return 'n'; | |
1641 | case LU_SECUREMSG: return 's'; | |
1642 | case LU_CHANMSG: return 'M'; | |
1643 | case LU_CHANNOTICE: return 'N'; | |
1644 | default: return '?'; | |
1645 | } | |
1646 | } | |
1647 | ||
1648 | void trojanscan_clonehandlemessages(nick *target, int messagetype, void **args) { | |
1649 | char *pretext = NULL, etext[TROJANSCAN_QUERY_TEMP_BUF_SIZE], enick[TROJANSCAN_QUERY_TEMP_BUF_SIZE], eident[TROJANSCAN_QUERY_TEMP_BUF_SIZE], ehost[TROJANSCAN_QUERY_TEMP_BUF_SIZE], text[513], detected = 0; | |
1650 | nick *sender; | |
1651 | struct trojanscan_realchannels *rp; | |
1652 | struct trojanscan_rejoinlist *rj; | |
1653 | unsigned int i, len; | |
1654 | struct trojanscan_worms *worm; | |
1655 | int vector[30]; | |
1656 | char mt = trojanscan_getmtfrommessagetype(messagetype); | |
378cf1b9 CP |
1657 | char *channel_name; |
1658 | ||
c86edd1d Q |
1659 | switch(messagetype) { |
1660 | case LU_PRIVMSG: | |
1661 | case LU_SECUREMSG: | |
1662 | case LU_PRIVNOTICE: | |
1663 | ||
1664 | pretext = (char *)args[1]; | |
1665 | ||
1666 | case LU_CHANMSG: | |
1667 | case LU_CHANNOTICE: | |
1668 | ||
1669 | sender = (nick *)args[0]; | |
1670 | if (strlen(sender->nick) < 2) | |
1671 | break; | |
1672 | ||
1673 | if (!pretext) | |
1674 | pretext = (char *)args[2]; | |
1675 | ||
1676 | if(strncmp(TROJANSCAN_VERSION_DETECT, pretext, sizeof(TROJANSCAN_VERSION_DETECT)-1)==0) { | |
1677 | char p = pretext[sizeof(TROJANSCAN_VERSION_DETECT)-1]; | |
1678 | if((p == ' ') || (p == '\0') || (p == 1)) { | |
1679 | int staff = 0; | |
1680 | if (IsOper(sender)) { | |
1681 | staff = 1; | |
1682 | } else { | |
1683 | if (IsAccount(sender)) { | |
1684 | int templevel = trojanscan_user_level_by_authname(sender->authname); | |
1685 | if (templevel != -1) { | |
1686 | union trojanscan_userlevel level; | |
1687 | level.number = templevel; | |
1688 | if (TrojanscanIsLeastStaff(level)) | |
1689 | staff = 1; | |
1690 | } | |
1691 | } | |
1692 | } | |
1693 | if (staff) { | |
1fe41720 CP |
1694 | if(trojanscan_nick) { |
1695 | sendnoticetouser(target, sender, "\001VERSION T clone, check T for confirmation.\001"); | |
1696 | sendnoticetouser(trojanscan_nick, sender, "\001VERSION %s is part of my swarm.\001", target->nick); | |
1697 | } else { | |
1698 | 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"); | |
1699 | } | |
c86edd1d Q |
1700 | } else { |
1701 | sendnoticetouser(target, sender, "\001VERSION " TROJANSCAN_CLONE_VERSION_REPLY "\001"); | |
1702 | } | |
1703 | ||
1704 | return; | |
1705 | } | |
1706 | } | |
1707 | ||
1708 | trojanscan_strip_codes(text, sizeof(text) - 1, pretext); | |
1709 | ||
1710 | len = strlen(text); | |
1711 | ||
1712 | for(i=0;i<trojanscan_database.total_phrases;i++) { | |
1713 | if ( | |
1714 | ( | |
1715 | (worm = trojanscan_database.phrases[i].worm) | |
1716 | ) && | |
1717 | ( | |
1718 | ( | |
1719 | ( | |
1720 | (messagetype == LU_PRIVMSG) || (messagetype == LU_SECUREMSG) || (messagetype == LU_PRIVNOTICE) | |
1721 | ) && | |
1722 | ( | |
1723 | (trojanscan_database.phrases[i].worm->hitpriv) | |
1724 | ) | |
1725 | ) || | |
1726 | ( | |
1727 | ( | |
1728 | (messagetype == LU_CHANMSG) || (messagetype == LU_CHANNOTICE) | |
1729 | ) && | |
1730 | ( | |
1731 | (trojanscan_database.phrases[i].worm->hitchans) | |
1732 | ) | |
1733 | ) | |
1734 | ) && | |
1735 | (trojanscan_database.phrases[i].phrase) | |
1736 | ) { | |
1737 | int pre = pcre_exec(trojanscan_database.phrases[i].phrase, trojanscan_database.phrases[i].hint, text, len, 0, 0, vector, 30); | |
1738 | if(pre >= 0) { | |
1739 | char glinemask[HOSTLEN + USERLEN + NICKLEN + 4]; | |
1740 | char *userbit; | |
1741 | host *hp; | |
1742 | unsigned int j, usercount, frequency; | |
1743 | char ip[TROJANSCAN_IPLEN]; | |
1744 | int glining = 1; | |
1745 | channel *chp = (channel *)args[1]; | |
1746 | ||
1747 | nick *np = NULL; /* sigh at warnings */ | |
1748 | ||
1749 | detected = 1; | |
1750 | ||
1751 | trojanscan_database.detections++; | |
1752 | ||
1753 | if (!(hp=findhost(sender->host->name->content))) { | |
1754 | trojanscan_mainchanmsg("w: user %s!%s@%s triggered infection monitor, yet no hosts found at stage 1 -- worm: %s", sender->nick, sender->ident, sender->host->name->content, worm->name->content); | |
1755 | break; | |
1756 | } | |
1757 | ||
1758 | usercount = 0; /* stupid warnings */ | |
1759 | if (worm->monitor) { | |
1760 | glining = 0; | |
1761 | usercount = -1; | |
052247fa | 1762 | } else if (worm->glinehost && (hp->clonecount <= TROJANSCAN_MAX_HOST_GLINE)) { |
c86edd1d Q |
1763 | snprintf(glinemask, sizeof(glinemask) - 1, "*@%s", trojanscan_iptostr(ip, sizeof(ip) - 1, sender->ipaddress)); |
1764 | usercount = hp->clonecount; | |
1fe41720 | 1765 | } |
052247fa | 1766 | else if (worm->glineuser || (worm->glinehost && hp->clonecount > TROJANSCAN_MAX_HOST_GLINE)) { |
c86edd1d Q |
1767 | userbit = sender->ident; |
1768 | if(userbit[0] == '~') | |
1769 | userbit++; | |
c86edd1d Q |
1770 | snprintf(glinemask, sizeof(glinemask) - 1, "*%s@%s", userbit, trojanscan_iptostr(ip, sizeof(ip) - 1, sender->ipaddress)); |
1771 | for (j=0;j<NICKHASHSIZE;j++) { | |
1772 | for (np=nicktable[j];np;np=np->next) { | |
1773 | if ((np->host==hp) && (!ircd_strcmp(np->ident,sender->ident))) | |
1774 | usercount++; | |
1775 | } | |
1776 | } | |
1777 | } | |
1778 | ||
1779 | if (!usercount) { | |
1780 | 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); | |
1781 | break; | |
1782 | } | |
1783 | ||
1784 | if (glining && (usercount > trojanscan_maxusers)) { | |
1785 | 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); | |
1786 | break; | |
1787 | } | |
1788 | ||
1789 | if (glining && !worm->datalen) { | |
1790 | 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); | |
1791 | break; | |
1792 | } | |
1793 | ||
1794 | trojanscan_database_escape_string(enick, sender->nick, strlen(sender->nick)); | |
1795 | trojanscan_database_escape_string(eident, sender->ident, strlen(sender->ident)); | |
1796 | trojanscan_database_escape_string(ehost, sender->host->name->content, sender->host->name->length); | |
1797 | ||
1798 | frequency = 1; | |
1799 | ||
1800 | if (!(trojanscan_database_query("SELECT COUNT(*) FROM hits WHERE glined = %d AND host = '%s'", glining, ehost))) { | |
1801 | trojanscan_database_res *res; | |
1802 | if ((res = trojanscan_database_store_result(&trojanscan_sql))) { | |
1803 | trojanscan_database_row sqlrow; | |
1804 | if ((trojanscan_database_num_rows(res) > 0) && (sqlrow = trojanscan_database_fetch_row(res))) | |
1805 | frequency = atoi(sqlrow[0]) + 1; | |
1806 | trojanscan_database_free_result(res); | |
1807 | } | |
1808 | } | |
1809 | ||
c86edd1d Q |
1810 | if (!glining) { |
1811 | char matchbuf[513]; | |
1812 | matchbuf[0] = 0; | |
1813 | matchbuf[512] = 0; /* hmm */ | |
1814 | ||
1815 | if(pre > 1) | |
1816 | if (pcre_copy_substring(text, vector, pre, 1, matchbuf, sizeof(matchbuf) - 1) <= 0) | |
1817 | matchbuf[0] = 0; | |
1818 | ||
9bbffb1f | 1819 | trojanscan_mainchanmsg("m: t: %c u: %s!%s@%s%s%s w: %s %s%s", mt, sender->nick, sender->ident, sender->host->name->content, mt=='N'||mt=='M'?" #: ":"", mt=='N'||mt=='M'?chp->index->name->content:"", worm->name->content, matchbuf[0]?" --: ":"", matchbuf[0]?matchbuf:""); |
d4aef858 | 1820 | /* trojanscan_peonchanmsg("m: t: %c u: %s!%s@%s%s%s%s w: %s %s%s", mt, sender->nick, sender->ident, (IsHideHost(sender)&&IsAccount(sender))?sender->authname:sender->host->name->content, (IsHideHost(sender)&&IsAccount(sender))?"."HIS_HIDDENHOST:"", mt=='N'||mt=='M'?" #: ":"", mt=='N'||mt=='M'?chp->index->name->content:"", worm->name->content, matchbuf[0]?" --: ":"", matchbuf[0]?matchbuf:""); */ |
c86edd1d | 1821 | } else { |
9bbffb1f CP |
1822 | int glinetime = TROJANSCAN_FIRST_OFFENSE * frequency * (worm->epidemic?TROJANSCAN_EPIDEMIC_MULTIPLIER:1); |
1823 | if(glinetime > 7 * 24) | |
1824 | glinetime = 7 * 24; /* can't set glines over 7 days with normal non U:lined glines */ | |
1825 | ||
1826 | trojanscan_database_query("INSERT INTO hits (nickname, ident, host, phrase, messagetype, glined) VALUES ('%s', '%s', '%s', %d, '%c', %d)", enick, eident, ehost, trojanscan_database.phrases[i].id, mt, glining); | |
c86edd1d | 1827 | trojanscan_database.glines++; |
378cf1b9 | 1828 | |
6a356502 | 1829 | irc_send("%s GL * +%s %d :You (%s!%s@%s) are infected with a trojan (%s), see %s%d for details - banned for %d hours\r\n", mynumeric->content, glinemask, glinetime * 3600, sender->nick, sender->ident, sender->host->name->content, worm->name->content, TROJANSCAN_URL_PREFIX, worm->id, glinetime); |
c86edd1d | 1830 | |
378cf1b9 | 1831 | trojanscan_mainchanmsg("g: *!%s t: %c u: %s!%s@%s%s%s c: %d w: %s%s f: %d", glinemask, mt, sender->nick, sender->ident, sender->host->name->content, mt=='N'||mt=='M'?" #: ":"", mt=='N'||mt=='M'?chp->index->name->content:"", usercount, worm->name->content, worm->epidemic?"(E)":"", frequency); |
c86edd1d Q |
1832 | } |
1833 | ||
1834 | break; | |
1835 | } | |
1836 | } | |
1837 | } | |
1838 | if (!detected && (mt != 'N') && (mt != 'M')) { | |
1839 | trojanscan_database_escape_string(etext, text, len); | |
1840 | trojanscan_database_escape_string(enick, sender->nick, strlen(sender->nick)); | |
1841 | trojanscan_database_escape_string(eident, sender->ident, strlen(sender->ident)); | |
1842 | trojanscan_database_escape_string(ehost, sender->host->name->content, sender->host->name->length); | |
1843 | trojanscan_database_query("INSERT INTO unknownlog (data, user) VALUES ('%s','%s!%s@%s')", etext, enick, eident, ehost); | |
1844 | } | |
1845 | break; | |
1846 | case LU_KILLED: | |
1847 | /* someone killed me? Bastards */ | |
378cf1b9 | 1848 | |
c86edd1d | 1849 | /* PPA: we do NOT rejoin channels at this moment in time, it is possible to do this though */ |
378cf1b9 | 1850 | for (i=0;i<TROJANSCAN_CLONE_TOTAL;i++) { |
c86edd1d | 1851 | if (trojanscan_swarm[i].clone == target) { |
c86edd1d Q |
1852 | |
1853 | scheduleoneshot(time(NULL)+1, &trojanscan_generateclone, (void *)i); | |
1fe41720 | 1854 | if(i >= TROJANSCAN_CLONE_MAX) { |
378cf1b9 CP |
1855 | int j; |
1856 | for(j=0;j<trojanscan_activechans;j++) | |
1857 | if(trojanscan_chans[j].watch_clone == &trojanscan_swarm[i]) | |
1858 | trojanscan_chans[j].watch_clone = NULL; | |
1859 | } else { | |
1860 | for(rp=trojanscan_realchanlist;rp;rp=rp->next) | |
1861 | if ((rp->clone == &(trojanscan_swarm[i]))) | |
1862 | rp->donotpart = 1; | |
1863 | } | |
c86edd1d Q |
1864 | trojanscan_swarm[i].clone = NULL; |
1865 | trojanscan_swarm[i].remaining = 0; /* bah */ | |
1866 | break; | |
1867 | } | |
1868 | } | |
1869 | break; | |
1870 | ||
1871 | case LU_KICKED: | |
378cf1b9 CP |
1872 | channel_name = ((channel *)args[1])->index->name->content; |
1873 | for (i=0;i<trojanscan_activechans;i++) { | |
1874 | if (!trojanscan_chans[i].watch_clone) | |
1875 | continue; | |
1876 | if ((trojanscan_chans[i].watch_clone->clone == target) && (!strcmp(trojanscan_chans[i].channel->content, channel_name))) | |
1877 | break; | |
1878 | } | |
1879 | if(i != trojanscan_activechans) { | |
1880 | int j; | |
1881 | for(j=0;j<TROJANSCAN_CLONE_TOTAL;j++) { | |
1882 | if(&trojanscan_swarm[j] == trojanscan_chans[i].watch_clone) { | |
1883 | trojanscan_chans[i].watch_clone = NULL; | |
c86edd1d Q |
1884 | break; |
1885 | } | |
c86edd1d | 1886 | } |
378cf1b9 CP |
1887 | } else { |
1888 | /* | |
1889 | 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)"); | |
1890 | */ | |
1891 | rj = (struct trojanscan_rejoinlist *)malloc(sizeof(struct trojanscan_rejoinlist)); | |
1892 | if (rj) { | |
1893 | rj->rp = NULL; | |
1894 | for(rp=trojanscan_realchanlist;rp;rp=rp->next) | |
1895 | if ((rp->clone->clone == target) && (rp->chan == args[1])) { | |
1896 | rp->kickedout++; | |
1897 | rj->rp = rp; | |
1898 | break; | |
1899 | } | |
1900 | if(!rj->rp) { | |
378cf1b9 CP |
1901 | free(rj); |
1902 | return; | |
1903 | } | |
c86edd1d | 1904 | |
378cf1b9 CP |
1905 | rj->channel = getsstring(((channel *)args[1])->index->name->content, ((channel *)args[1])->index->name->length); |
1906 | if(!rj->channel) { | |
1907 | trojanscan_mainchanmsg("d: unable to allocate memory for channel: %s upon rejoin", ((channel *)args[1])->index->name->content); | |
1908 | free(rj); | |
1909 | return; | |
1910 | } | |
c86edd1d | 1911 | |
2e9a528b | 1912 | rj->clone = rp->clone; |
378cf1b9 CP |
1913 | rj->next = trojanscan_schedulerejoins; |
1914 | trojanscan_schedulerejoins = rj; | |
c86edd1d | 1915 | |
378cf1b9 CP |
1916 | rj->schedule = scheduleoneshot(time(NULL)+1, &trojanscan_rejoin_channel, (void *)rj); |
1917 | } | |
1918 | } | |
1919 | break; | |
c86edd1d Q |
1920 | default: |
1921 | break; | |
1922 | } | |
1923 | } | |
1924 | ||
1925 | void trojanscan_rejoin_channel(void *arg) { | |
1926 | struct trojanscan_rejoinlist *rj2, *lrj, *rj = (struct trojanscan_rejoinlist *)arg; | |
c86edd1d Q |
1927 | |
1928 | channel *cp = findchannel(rj->channel->content); | |
1929 | freesstring(rj->channel); | |
1930 | ||
1931 | if (rj->rp) { | |
1932 | rj->rp->kickedout--; | |
1933 | if (!cp) { | |
1934 | rj->rp->donotpart = 1; /* we were the last user on the channel, so we need to be VERY careful freeing it */ | |
1935 | } else { | |
1936 | if(!rj->rp->donotpart && !rj->rp->kickedout) { /* check we're allowed to join channels (not killed), and we're the last one to join */ | |
2e9a528b | 1937 | if (trojanscan_nickbanned(rj->clone, cp)) { |
c86edd1d Q |
1938 | rj->rp->donotpart = 1; |
1939 | } else { | |
2e9a528b | 1940 | localjoinchannel(rj->clone->clone, cp); |
c86edd1d Q |
1941 | } |
1942 | } | |
1943 | } | |
1944 | } | |
1945 | ||
1946 | rj2 = trojanscan_schedulerejoins; | |
1947 | lrj = NULL; | |
1948 | ||
1949 | if (rj2 == rj) { | |
1950 | trojanscan_schedulerejoins = rj->next; | |
1951 | free(rj); | |
1952 | } else { | |
1953 | for(rj2=trojanscan_schedulerejoins;rj2;lrj=rj2,rj2=rj2->next) { | |
1954 | if (rj2 == rj) { | |
1955 | lrj->next = rj2->next; | |
1956 | free(rj); | |
1957 | break; | |
1958 | } | |
1959 | } | |
1960 | } | |
1961 | ||
1962 | } | |
1963 | ||
1964 | void trojanscan_reply(nick *target, char *message, ... ) { | |
1965 | char buf[513]; | |
1966 | va_list va; | |
1967 | ||
1968 | if (!trojanscan_nick) | |
1969 | return; | |
1970 | ||
1971 | va_start(va, message); | |
1972 | vsnprintf(buf, sizeof(buf) - 1, message, va); | |
1973 | va_end(va); | |
1974 | ||
1975 | sendnoticetouser(trojanscan_nick, target, "%s", buf); | |
1976 | } | |
1977 | ||
1978 | ||
1979 | void trojanscan_mainchanmsg(char *message, ...) { | |
1980 | char buf[513]; | |
1981 | va_list va; | |
1982 | channel *cp; | |
1983 | ||
1984 | if (!trojanscan_nick) | |
1985 | return; | |
1986 | if (!(cp = findchannel(TROJANSCAN_CHANNEL))) | |
1987 | return; | |
1988 | ||
1989 | va_start(va, message); | |
1990 | vsnprintf(buf, sizeof(buf) - 1, message, va); | |
1991 | va_end(va); | |
1992 | ||
1993 | sendmessagetochannel(trojanscan_nick, cp, "%s", buf); | |
1994 | } | |
1995 | ||
e261c2c9 CP |
1996 | void trojanscan_peonchanmsg(char *message, ...) { |
1997 | char buf[513]; | |
1998 | va_list va; | |
1999 | channel *cp; | |
2000 | ||
2001 | if (!trojanscan_nick) | |
2002 | return; | |
2003 | if (!(cp = findchannel(TROJANSCAN_PEONCHANNEL))) | |
2004 | return; | |
2005 | ||
2006 | va_start(va, message); | |
2007 | vsnprintf(buf, sizeof(buf) - 1, message, va); | |
2008 | va_end(va); | |
2009 | ||
2010 | sendmessagetochannel(trojanscan_nick, cp, "%s", buf); | |
2011 | } | |
2012 | ||
c86edd1d Q |
2013 | int trojanscan_minmaxrand(float min, float max) { |
2014 | return (int)((max-min+1)*rand()/(RAND_MAX+min))+min; | |
2015 | } | |
2016 | ||
2017 | char *trojanscan_iptostr(char *buf, int buflen, unsigned int ip) { | |
2018 | snprintf(buf, buflen, "%d.%d.%d.%d", ip >> 24, (ip >> 16) & 255, (ip >> 8) & 255, ip & 255); | |
2019 | return buf; | |
2020 | } | |
2021 | ||
2022 | char trojanscan_genchar(int ty) { | |
2023 | /* hostname and realname characters*/ | |
2024 | if (!ty) { | |
2025 | if (!(trojanscan_minmaxrand(0, 40) % 10)) { | |
2026 | return trojanscan_minmaxrand(48, 57); | |
2027 | } else { | |
2028 | return trojanscan_minmaxrand(97, 122); | |
2029 | } | |
2030 | /* ident characters - without numbers*/ | |
2031 | } else if (ty == 1) { | |
2032 | return trojanscan_minmaxrand(97, 122); | |
2033 | /* ident characters - with numbers*/ | |
2034 | } else if (ty == 2) { | |
2035 | ty = trojanscan_minmaxrand(97, 125); | |
2036 | if (ty > 122) return trojanscan_minmaxrand(48, 57); | |
2037 | return ty; | |
2038 | /* nick characters - with and without numbers*/ | |
2039 | } else if (ty == 3 || ty == 4) { | |
2040 | if (!(trojanscan_minmaxrand(0, 59) % 16)) { | |
2041 | char weirdos[6] = { '\\', '|', '[', '{', ']', '}' }; | |
2042 | return weirdos[trojanscan_minmaxrand(0, 5)]; | |
2043 | } | |
2044 | if (ty == 4) { | |
2045 | ty = trojanscan_minmaxrand(65, 93); | |
2046 | if (ty > 90) return trojanscan_minmaxrand(48, 57); | |
2047 | } else { | |
2048 | ty = trojanscan_minmaxrand(65, 90); | |
2049 | } | |
2050 | if (!(trojanscan_minmaxrand(0, 40) % 8)) return ty; | |
2051 | return ty + 32; | |
2052 | /* moron check */ | |
2053 | } else { | |
2054 | return ' '; | |
2055 | } | |
2056 | } | |
2057 | ||
2058 | void trojanscan_gennick(char *ptc, char size) { | |
2059 | int i; | |
2060 | for (i=0;i<size;i++) { | |
2061 | if (i == 0) { | |
2062 | ptc[i] = trojanscan_genchar(3); | |
2063 | } else { | |
2064 | ptc[i] = trojanscan_genchar(4); | |
2065 | } | |
2066 | } | |
2067 | ptc[i] = '\0'; | |
2068 | } | |
2069 | ||
2070 | void trojanscan_genident(char *ptc, char size) { | |
2071 | int i; | |
2072 | for (i=0;i<size;i++) { | |
2073 | if (i == 0) { | |
2074 | ptc[i] = trojanscan_genchar(1); | |
2075 | } else { | |
2076 | ptc[i] = trojanscan_genchar(2); | |
2077 | } | |
2078 | } | |
2079 | ptc[i] = '\0'; | |
2080 | } | |
2081 | ||
2e9a528b | 2082 | void trojanscan_genhost(char *ptc, char size, long *fakeip) { |
c86edd1d Q |
2083 | int dots = trojanscan_minmaxrand(2, 5), i, dotexist = 0, cur; |
2084 | ||
2085 | while (!dotexist) { | |
2086 | for (i=0;i<size;i++) { | |
2087 | ptc[i] = trojanscan_genchar(0); | |
2088 | if ((i > 5) && (i < (size-4))) { | |
2089 | if ((ptc[i-1] != '.') && (ptc[i-1] != '-')) { | |
2090 | cur = trojanscan_minmaxrand(1,size / dots); | |
2091 | if (cur < 3) { | |
2092 | if (cur == 1) { | |
2093 | ptc[i] = '.'; | |
2094 | dotexist = 1; | |
2095 | } else { | |
2096 | ptc[i] = '-'; | |
2097 | } | |
2098 | } | |
2099 | } | |
2100 | } | |
2101 | } | |
2102 | } | |
2103 | ptc[i] = '\0'; | |
2e9a528b P |
2104 | |
2105 | *fakeip = (trojanscan_minmaxrand(0, 65535) << 16) | trojanscan_minmaxrand(0, 65535); | |
c86edd1d Q |
2106 | } |
2107 | ||
2108 | void trojanscan_genreal(char *ptc, char size) { | |
2109 | int spaces = trojanscan_minmaxrand(2, 4), i; | |
2110 | for (i=0;i<size;i++) { | |
2111 | ptc[i] = trojanscan_genchar(0); | |
2112 | if ((i > 5) && (i < (size-4))) { | |
2113 | if (ptc[i-1] != ' ') { | |
2114 | if (trojanscan_minmaxrand(1,size / spaces) == 1) ptc[i] = ' '; | |
2115 | } | |
2116 | } | |
2117 | } | |
2118 | ptc[i] = '\0'; | |
2119 | } | |
2120 | ||
2121 | int trojanscan_is_not_octet(char *begin, int length) { | |
2122 | int i; | |
2123 | if(length > 3) | |
2124 | return 0; | |
2125 | for(i=0;i<length;i++) { | |
2126 | if (!((*begin >= '0') && (*begin <= '9'))) | |
2127 | return 0; | |
2128 | begin++; | |
2129 | } | |
2130 | return 1; | |
2131 | } | |
2132 | ||
2133 | int trojanscan_generatepool(void) { | |
2134 | int i, k = 0, j = 0, loops = 0; | |
2135 | char *p, *pp; | |
2136 | nick *np; | |
2137 | ||
2138 | for (i=0;i<NICKHASHSIZE;i++) | |
2139 | for (np=nicktable[i];np;np=np->next) | |
2140 | j++; | |
2141 | ||
36efd3fc | 2142 | if(j < trojanscan_min_hosts) |
c86edd1d | 2143 | return 0; |
378cf1b9 CP |
2144 | |
2145 | if(TROJANSCAN_HOST_MODE == TROJANSCAN_STEAL_HOST) | |
2146 | return TROJANSCAN_MINPOOLSIZE; | |
c86edd1d Q |
2147 | |
2148 | i = 0; | |
2149 | do { | |
2150 | for (j=trojanscan_minmaxrand(0, NICKHASHSIZE-1);j<NICKHASHSIZE;j++) { | |
2151 | if (nicktable[j]) { | |
2152 | for(p=nicktable[j]->host->name->content, pp=p;*p;) { | |
2153 | if (*++p == '.') { | |
2154 | if (!trojanscan_is_not_octet(pp, p-pp)) { | |
2155 | if (i < TROJANSCAN_POOLSIZE) { | |
2156 | if (i < trojanscan_hostpoolsize) | |
2157 | freesstring(trojanscan_hostpool[i]); | |
2158 | trojanscan_hostpool[i] = getsstring(pp, p-pp); | |
2159 | i++; | |
2160 | } else { | |
2161 | if (k >= TROJANSCAN_POOLSIZE) | |
2162 | break; | |
2163 | } | |
2164 | } | |
2165 | pp=++p; | |
2166 | } | |
2167 | } | |
2168 | if (!trojanscan_is_not_octet(pp, p-pp)) { | |
2169 | if (k < TROJANSCAN_POOLSIZE) { | |
2170 | if (k < trojanscan_tailpoolsize) | |
2171 | freesstring(trojanscan_tailpool[k]); | |
2172 | trojanscan_tailpool[k] = getsstring(pp, p-pp); | |
2173 | k++; | |
2174 | } else { | |
2175 | if (i >= TROJANSCAN_POOLSIZE) | |
2176 | break; | |
2177 | } | |
2178 | } | |
2179 | } | |
2180 | } | |
2181 | loops++; | |
2182 | } while ((loops < 5) && ((i < TROJANSCAN_POOLSIZE) || (k < TROJANSCAN_POOLSIZE))); | |
2183 | ||
2184 | trojanscan_hostpoolsize = i; | |
2185 | trojanscan_tailpoolsize = k; | |
2186 | return i; | |
2187 | } | |
2188 | ||
c8fdcfa5 | 2189 | nick *trojanscan_selectuser(void) { |
56099b38 | 2190 | int target = trojanscan_minmaxrand(0, 500), loops = 150, j; |
c8fdcfa5 CP |
2191 | nick *np; |
2192 | do { | |
2193 | for (j=trojanscan_minmaxrand(0, NICKHASHSIZE-1);j<NICKHASHSIZE;j++) | |
2194 | for(np=nicktable[j];np;np=np->next) | |
2195 | if (!--target) | |
2196 | return np; | |
2197 | } while(--loops > 0); | |
2198 | return NULL; | |
2199 | } | |
2200 | ||
707e6470 CP |
2201 | host *trojanscan_selecthost(void) { |
2202 | int target = trojanscan_minmaxrand(0, 500), loops = 150, j; | |
2203 | host *hp; | |
2204 | do { | |
2205 | for (j=trojanscan_minmaxrand(0, HOSTHASHSIZE-1);j<HOSTHASHSIZE;j++) | |
2206 | for(hp=hosttable[j];hp;hp=hp->next) | |
2207 | if (!--target) | |
2208 | return hp; | |
2209 | } while(--loops > 0); | |
2210 | ||
2211 | return NULL; | |
2212 | } | |
2213 | ||
2e9a528b | 2214 | void trojanscan_generatehost(char *buf, int maxsize, long *fakeip) { |
378cf1b9 | 2215 | if(TROJANSCAN_HOST_MODE == TROJANSCAN_STEAL_HOST) { |
707e6470 | 2216 | host *hp; |
c8fdcfa5 | 2217 | int loops = 20; |
2e9a528b | 2218 | |
c8fdcfa5 | 2219 | buf[0] = '\0'; |
2e9a528b | 2220 | |
378cf1b9 | 2221 | do { |
707e6470 CP |
2222 | hp = trojanscan_selecthost(); |
2223 | if(hp && (hp->clonecount <= TROJANSCAN_MAX_CLONE_COUNT) && !trojanscan_isip(hp->name->content)) { | |
2224 | strlcpy(buf, hp->name->content, maxsize + 1); | |
2225 | if(hp->nicks) { | |
2226 | *fakeip = hp->nicks->ipaddress; | |
2227 | } else { | |
2228 | *fakeip = (trojanscan_minmaxrand(0, 65535) << 16) | trojanscan_minmaxrand(0, 65535); | |
2229 | } | |
c8fdcfa5 | 2230 | break; |
378cf1b9 | 2231 | } |
c8fdcfa5 | 2232 | } while(--loops > 0); |
378cf1b9 CP |
2233 | } else { |
2234 | char *cpos; | |
2235 | int pieces = trojanscan_minmaxrand(2, 4), totallen = 0, a = 0, i; | |
2236 | int *choices = malloc(sizeof(int) * (pieces + 1)); | |
2237 | int *lengths = malloc(sizeof(int) * (pieces + 1)); | |
2238 | ||
2239 | choices[pieces] = trojanscan_minmaxrand(0, trojanscan_tailpoolsize-1); | |
2240 | lengths[pieces] = strlen(trojanscan_tailpool[choices[pieces]]->content) + 1; | |
2241 | totallen += lengths[pieces]; | |
2242 | ||
2243 | for (i=0;i<pieces;i++) { | |
2244 | choices[i] = trojanscan_minmaxrand(0, trojanscan_hostpoolsize-1); | |
2245 | lengths[i] = strlen(trojanscan_hostpool[choices[i]]->content) + 1; | |
2246 | if (totallen+lengths[i] > maxsize) { | |
2247 | choices[i] = choices[pieces]; | |
2248 | lengths[i] = lengths[pieces]; | |
2249 | pieces-=(pieces-i); | |
2250 | break; | |
2251 | } | |
2252 | totallen += lengths[i]; | |
2253 | } | |
2254 | ||
2255 | for (i=0;i<pieces;i++) { | |
2256 | for (cpos=trojanscan_hostpool[choices[i]]->content; *cpos;) | |
2257 | buf[a++] = *cpos++; | |
2258 | buf[a++] = '.'; | |
c86edd1d | 2259 | } |
c86edd1d | 2260 | |
378cf1b9 | 2261 | for (cpos=trojanscan_tailpool[choices[i]]->content; *cpos;) { |
c86edd1d | 2262 | buf[a++] = *cpos++; |
378cf1b9 | 2263 | } |
c86edd1d | 2264 | |
378cf1b9 CP |
2265 | buf[a] = '\0'; |
2266 | free(choices); | |
2267 | free(lengths); | |
2e9a528b P |
2268 | |
2269 | *fakeip = (trojanscan_minmaxrand(0, 65535) << 16) | trojanscan_minmaxrand(0, 65535); | |
c86edd1d | 2270 | } |
c86edd1d Q |
2271 | } |
2272 | ||
2273 | void trojanscan_generatenick(char *buf, int maxsize) { | |
56099b38 | 2274 | int bits = trojanscan_minmaxrand(2, 3), loops = 0, wanttocopy, len = 0, i, d = 0, newmaxsize = maxsize - trojanscan_minmaxrand(0, 7); |
c8fdcfa5 | 2275 | nick *np; |
56099b38 CP |
2276 | |
2277 | if(newmaxsize > 2) | |
2278 | maxsize = newmaxsize; | |
2279 | ||
c86edd1d | 2280 | do { |
c8fdcfa5 CP |
2281 | np = trojanscan_selectuser(); |
2282 | if(np) { | |
56099b38 | 2283 | wanttocopy = trojanscan_minmaxrand(1, (strlen(np->nick) / 2) + 3); |
c8fdcfa5 CP |
2284 | for(i=0;((i<wanttocopy) && (len<maxsize));i++) |
2285 | buf[len++] = np->nick[i]; | |
2286 | if(++d > bits) { | |
2287 | buf[len] = '\0'; | |
2288 | return; | |
c86edd1d Q |
2289 | } |
2290 | } | |
c8fdcfa5 | 2291 | } while (++loops < 10); |
c86edd1d Q |
2292 | buf[0] = '\0'; |
2293 | } | |
2294 | ||
2295 | void trojanscan_generateident(char *buf, int maxsize) { | |
c8fdcfa5 | 2296 | nick *np = trojanscan_selectuser(); |
c86edd1d | 2297 | buf[0] = '\0'; |
c8fdcfa5 | 2298 | if(np) |
707e6470 | 2299 | strlcpy(buf, np->ident, maxsize + 1); |
c86edd1d Q |
2300 | } |
2301 | ||
2302 | void trojanscan_generaterealname(char *buf, int maxsize) { | |
c8fdcfa5 | 2303 | nick *np = trojanscan_selectuser(); |
c86edd1d | 2304 | buf[0] = '\0'; |
c8fdcfa5 | 2305 | if(np) |
707e6470 | 2306 | strlcpy(buf, np->realname->name->content, maxsize + 1); |
c86edd1d Q |
2307 | } |
2308 | ||
2309 | void trojanscan_database_close(void) { | |
2310 | mysql_close(&trojanscan_sql); | |
2311 | } | |
2312 | ||
2313 | int trojanscan_database_connect(char *dbhost, char *dbuser, char *dbpass, char *db, unsigned int port) { | |
2314 | mysql_init(&trojanscan_sql); | |
2315 | if (!mysql_real_connect(&trojanscan_sql, dbhost, dbuser, dbpass, db, port, NULL, 0)) | |
2316 | return -1; | |
2317 | return 0; | |
2318 | } | |
2319 | ||
2320 | void trojanscan_database_escape_string(char *dest, char *source, size_t length) { | |
2321 | mysql_escape_string(dest, source, length); | |
2322 | } | |
2323 | ||
2324 | int trojanscan_database_query(char *format, ...) { | |
2325 | char trojanscan_sqlquery[TROJANSCAN_QUERY_BUF_SIZE]; | |
2326 | va_list va; | |
2327 | ||
2328 | va_start(va, format); | |
2329 | vsnprintf(trojanscan_sqlquery, sizeof(trojanscan_sqlquery) - 1, format, va); | |
2330 | va_end(va); | |
2331 | return mysql_query(&trojanscan_sql, trojanscan_sqlquery); | |
2332 | } | |
2333 | ||
2334 | int trojanscan_database_num_rows(trojanscan_database_res *res) { | |
2335 | return mysql_num_rows(res); | |
2336 | } | |
2337 | ||
2338 | trojanscan_database_res *trojanscan_database_store_result() { | |
2339 | return mysql_store_result(&trojanscan_sql); | |
2340 | } | |
2341 | ||
2342 | trojanscan_database_row trojanscan_database_fetch_row(trojanscan_database_res *res) { | |
2343 | return mysql_fetch_row(res); | |
2344 | } | |
2345 | ||
2346 | void trojanscan_database_free_result(trojanscan_database_res *res) { | |
2347 | mysql_free_result(res); | |
2348 | } | |
2349 | ||
9bbffb1f CP |
2350 | int trojanscan_isip(char *host) { |
2351 | char *p = host, components = 0, length = 0; | |
2352 | ||
2353 | for(;*p;p++) { | |
2354 | if(*p == '.') { | |
2355 | if(((!length) || (length = 0)) || (++components > 3)) | |
2356 | return 0; | |
2357 | } else { | |
2358 | if ((++length > 3) || !isdigit(*p)) | |
2359 | return 0; | |
2360 | } | |
2361 | } | |
2362 | return components == 3; | |
2363 | } | |
2364 |