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1 | #include "versionscan.h" | |
2 | #include "../lib/version.h" | |
3 | #include "../glines/glines.h" | |
4 | ||
5 | MODULE_VERSION("") | |
6 | ||
7 | CommandTree* versionscan_commands; | |
8 | nick* versionscan_nick; | |
9 | int versionscannext; | |
10 | int versionscan_mode; | |
11 | vspattern* vspatterns; | |
12 | vsauthdata* vsauths; | |
13 | vsstatistic* vsstats; | |
14 | unsigned long hcount=0; | |
15 | unsigned long wcount=0; | |
16 | unsigned long kcount=0; | |
17 | unsigned long gcount=0; | |
18 | schedule *vsconnect; | |
19 | ||
20 | void versionscan_addstat(char* reply) { | |
21 | unsigned int replylen; | |
22 | unsigned long replycrc; | |
23 | vsstatistic* v, *pv; | |
24 | ||
25 | replylen = strlen(reply); | |
26 | replycrc = crc32i(reply); | |
27 | ||
28 | pv=NULL; | |
29 | for (v=vsstats; v; v=v->next) { | |
30 | if (v->replylen==replylen && v->replycrc==replycrc) { | |
31 | v->count++; | |
32 | return; | |
33 | } | |
34 | pv=v; | |
35 | } | |
36 | if (!pv) { | |
37 | vsstats=(vsstatistic*)malloc(sizeof(vsstatistic)); | |
38 | vsstats->reply=(char*)malloc(replylen + 1); | |
39 | strcpy(vsstats->reply, reply); | |
40 | vsstats->replylen = replylen; | |
41 | vsstats->replycrc = replycrc; | |
42 | vsstats->count=1; | |
43 | vsstats->next=NULL; | |
44 | } | |
45 | else { | |
46 | pv->next=(vsstatistic*)malloc(sizeof(vsstatistic)); | |
47 | pv->next->reply=(char*)malloc(replylen + 1); | |
48 | strcpy(pv->next->reply, reply); | |
49 | pv->next->replylen = replylen; | |
50 | pv->next->replycrc = replycrc; | |
51 | pv->next->count=1; | |
52 | pv->next->next=NULL; | |
53 | } | |
54 | } | |
55 | ||
56 | unsigned char versionscan_getlevelbyauth(char* auth) { | |
57 | vsauthdata* v; | |
58 | ||
59 | for (v=vsauths; v; v=v->next) { | |
60 | if (!ircd_strcmp(v->account, auth)) { | |
61 | return v->flags; | |
62 | } | |
63 | } | |
64 | return 0; | |
65 | } | |
66 | ||
67 | vsauthdata* versionscan_getauthbyauth(char* auth) { | |
68 | vsauthdata* v; | |
69 | ||
70 | for (v=vsauths; v; v=v->next) { | |
71 | if (!ircd_strcmp(v->account, auth)) { | |
72 | return v; | |
73 | } | |
74 | } | |
75 | return 0; | |
76 | } | |
77 | ||
78 | int IsVersionscanStaff(nick* np) { | |
79 | unsigned char level; | |
80 | ||
81 | if (!IsAccount(np)) { | |
82 | return 0; | |
83 | } | |
84 | level=versionscan_getlevelbyauth(np->authname); | |
85 | if (level & (VS_STAFF | VS_GLINE | VS_ADMIN)) { | |
86 | return 1; | |
87 | } | |
88 | return 0; | |
89 | } | |
90 | ||
91 | int IsVersionscanGlineAccess(nick* np) { | |
92 | unsigned char level; | |
93 | ||
94 | if (!IsAccount(np)) { | |
95 | return 0; | |
96 | } | |
97 | level=versionscan_getlevelbyauth(np->authname); | |
98 | if (level & (VS_GLINE | VS_ADMIN)) { | |
99 | return 1; | |
100 | } | |
101 | return 0; | |
102 | } | |
103 | ||
104 | int IsVersionscanAdmin(nick* np) { | |
105 | unsigned char level; | |
106 | ||
107 | if (!IsAccount(np)) { | |
108 | return 0; | |
109 | } | |
110 | level=versionscan_getlevelbyauth(np->authname); | |
111 | if (level & VS_ADMIN) { | |
112 | return 1; | |
113 | } | |
114 | return 0; | |
115 | } | |
116 | ||
117 | const char* versionscan_flagstochar(unsigned char flags) { | |
118 | static char outstring[50]; | |
119 | int pos=0; | |
120 | ||
121 | outstring[pos++]='+'; | |
122 | if (flags & VS_ADMIN) { outstring[pos++]='a'; } | |
123 | if (flags & VS_GLINE) { outstring[pos++]='g'; } | |
124 | if (flags & VS_STAFF) { outstring[pos++]='s'; } | |
125 | outstring[pos]='\0'; | |
126 | ||
127 | return outstring; | |
128 | } | |
129 | ||
130 | void versionscan_addpattern(char* pattern, char* data, unsigned char action) { | |
131 | vspattern* v; | |
132 | ||
133 | if (!vspatterns) { | |
134 | vspatterns=(vspattern*)malloc(sizeof(vspattern)); | |
135 | strncpy(vspatterns->pattern, pattern, VSPATTERNLEN); | |
136 | strncpy(vspatterns->data, data, VSDATALEN); | |
137 | vspatterns->action=action; | |
138 | vspatterns->next=0; | |
139 | vspatterns->hitcount=0; | |
140 | return; | |
141 | } | |
142 | ||
143 | for (v=vspatterns; v; v=v->next) { | |
144 | if (!v->next) { | |
145 | v->next=(vspattern*)malloc(sizeof(vspattern)); | |
146 | strncpy(v->next->pattern, pattern, VSPATTERNLEN); | |
147 | strncpy(v->next->data, data, VSDATALEN); | |
148 | v->next->action=action; | |
149 | v->next->next=0; | |
150 | v->next->hitcount=0; | |
151 | return; | |
152 | } | |
153 | } | |
154 | } | |
155 | ||
156 | void versionscan_delpattern(char* pattern) { | |
157 | vspattern* v, *pv; | |
158 | ||
159 | pv=0; | |
160 | for (v=vspatterns; v; v=v->next) { | |
161 | if (!ircd_strcmp(v->pattern, pattern)) { | |
162 | if (pv) { | |
163 | pv->next=v->next; | |
164 | free(v); | |
165 | } | |
166 | else { | |
167 | vspatterns=v->next; | |
168 | free(v); | |
169 | } | |
170 | return; | |
171 | } | |
172 | pv=v; | |
173 | } | |
174 | } | |
175 | ||
176 | vspattern* versionscan_getpattern(char* pattern) { | |
177 | vspattern* v; | |
178 | ||
179 | for (v=vspatterns; v; v=v->next) { | |
180 | if (!ircd_strcmp(v->pattern, pattern)) { | |
181 | return v; | |
182 | } | |
183 | } | |
184 | return 0; | |
185 | } | |
186 | ||
187 | int versionscan_whois(void* sender, int cargc, char** cargv) { | |
188 | nick* np=(nick*)sender; | |
189 | nick* target; | |
190 | vsauthdata* v; | |
191 | ||
192 | if (cargc < 1) { | |
193 | sendnoticetouser(versionscan_nick, np, "Syntax: whois <nickname>"); | |
194 | return CMD_ERROR; | |
195 | } | |
196 | if (!(target=getnickbynick(cargv[0]))) { | |
197 | sendnoticetouser(versionscan_nick, np, "No such nick."); | |
198 | return CMD_ERROR; | |
199 | } | |
200 | if (!IsAccount(target)) { | |
201 | sendnoticetouser(versionscan_nick, np, "%s is not authed with the network.", target->nick); | |
202 | return CMD_ERROR; | |
203 | } | |
204 | if (!(v=versionscan_getauthbyauth(target->authname))) { | |
205 | sendnoticetouser(versionscan_nick, np, "User %s is not in my database.", target->nick); | |
206 | return CMD_ERROR; | |
207 | } | |
208 | sendnoticetouser(versionscan_nick, np, "%s is authed as %s, with flags: %s", target->nick, target->authname, versionscan_flagstochar(v->flags)); | |
209 | return CMD_OK; | |
210 | } | |
211 | ||
212 | int versionscan_showcommands(void* sender, int cargc, char** cargv) { | |
213 | nick* np=(nick*)sender; | |
214 | Command* cmdlist[150]; | |
215 | int i, j; | |
216 | ||
217 | sendnoticetouser(versionscan_nick, np, "The following commands are registered at present:"); | |
218 | j=getcommandlist(versionscan_commands, cmdlist, 150); | |
219 | for (i=0; i<j; i++) { | |
220 | if (cmdlist[i]->level & (VS_STAFF | VS_GLINE | VS_ADMIN)) { | |
221 | sendnoticetouser(versionscan_nick, np, "%s (%s)", cmdlist[i]->command->content, versionscan_flagstochar(cmdlist[i]->level)); | |
222 | } | |
223 | else { | |
224 | sendnoticetouser(versionscan_nick, np, "%s", cmdlist[i]->command->content); | |
225 | } | |
226 | } | |
227 | sendnoticetouser(versionscan_nick, np, "End of list."); | |
228 | ||
229 | return CMD_OK; | |
230 | } | |
231 | ||
232 | int versionscan_help(void* sender, int cargc, char** cargv) { | |
233 | nick* np=(nick*)sender; | |
234 | ||
235 | if (cargc < 1) { | |
236 | sendnoticetouser(versionscan_nick, np, "Syntax: help <command>"); | |
237 | return CMD_ERROR; | |
238 | } | |
239 | ||
240 | if (!strcasecmp(cargv[0], "help")) { | |
241 | sendnoticetouser(versionscan_nick, np, "Syntax: help <command>"); | |
242 | sendnoticetouser(versionscan_nick, np, "Gives help on commands."); | |
243 | return CMD_OK; | |
244 | } | |
245 | if (!strcasecmp(cargv[0], "hello")) { | |
246 | sendnoticetouser(versionscan_nick, np, "Syntax: hello"); | |
247 | sendnoticetouser(versionscan_nick, np, "Creates the first account on the bot."); | |
248 | return CMD_OK; | |
249 | } | |
250 | if (!strcasecmp(cargv[0], "scan")) { | |
251 | sendnoticetouser(versionscan_nick, np, "Syntax: scan <target>"); | |
252 | sendnoticetouser(versionscan_nick, np, "Sends a version request to the specified target, which may be a nick or a channel."); | |
253 | return CMD_OK; | |
254 | } | |
255 | if (!strcasecmp(cargv[0], "broadcast")) { | |
256 | sendnoticetouser(versionscan_nick, np, "Syntax: broadcast [-f]"); | |
257 | sendnoticetouser(versionscan_nick, np, "Send a network-wide CTCP version."); | |
258 | return CMD_OK; | |
259 | } | |
260 | if (!strcasecmp(cargv[0], "changelev")) { | |
261 | sendnoticetouser(versionscan_nick, np, "Syntax: changelev <nick> <level>"); | |
262 | sendnoticetouser(versionscan_nick, np, "Changes a user's privileges."); | |
263 | sendnoticetouser(versionscan_nick, np, "+a -> admin access"); | |
264 | sendnoticetouser(versionscan_nick, np, "+g -> g-line access"); | |
265 | sendnoticetouser(versionscan_nick, np, "+s -> staff access"); | |
266 | return CMD_OK; | |
267 | } | |
268 | if (!strcasecmp(cargv[0], "mode")) { | |
269 | sendnoticetouser(versionscan_nick, np, "Syntax: mode [<mode of operation>]"); | |
270 | sendnoticetouser(versionscan_nick, np, "Where <mode of operation> is one of:"); | |
271 | sendnoticetouser(versionscan_nick, np, "idle: do nothing"); | |
272 | sendnoticetouser(versionscan_nick, np, "scan: scan newly connecting users and those targeted by the 'scan' command"); | |
273 | sendnoticetouser(versionscan_nick, np, "stat: collect statistics after a network-wide CTCP version request"); | |
274 | return CMD_OK; | |
275 | } | |
276 | if (!strcasecmp(cargv[0], "showcommands")) { | |
277 | sendnoticetouser(versionscan_nick, np, "Syntax: showcommands"); | |
278 | sendnoticetouser(versionscan_nick, np, "Displays registered commands."); | |
279 | return CMD_OK; | |
280 | } | |
281 | if (!strcasecmp(cargv[0], "whois")) { | |
282 | sendnoticetouser(versionscan_nick, np, "Syntax: whois <nickname>"); | |
283 | sendnoticetouser(versionscan_nick, np, "Display information about the specified user."); | |
284 | return CMD_OK; | |
285 | } | |
286 | if (!strcasecmp(cargv[0], "statistics")) { | |
287 | sendnoticetouser(versionscan_nick, np, "Syntax: statistics [<limit>]"); | |
288 | sendnoticetouser(versionscan_nick, np, "Display statistics of collected CTCP version replies."); | |
289 | return CMD_OK; | |
290 | } | |
291 | if (!strcasecmp(cargv[0], "listpatterns")) { | |
292 | sendnoticetouser(versionscan_nick, np, "Syntax: listpatterns"); | |
293 | sendnoticetouser(versionscan_nick, np, "Lists CTCP version reply patterns."); | |
294 | return CMD_OK; | |
295 | } | |
296 | if (!strcasecmp(cargv[0], "addpattern")) { | |
297 | sendnoticetouser(versionscan_nick, np, "Syntax: addpattern <pattern> <action> <data>"); | |
298 | sendnoticetouser(versionscan_nick, np, "Adds a CTCP version reply pattern, where action is one of the following:"); | |
299 | sendnoticetouser(versionscan_nick, np, "%d - warn", VS_WARN); | |
300 | sendnoticetouser(versionscan_nick, np, "%d - kill", VS_KILL); | |
301 | sendnoticetouser(versionscan_nick, np, "%d - g-line user@host", VS_GLUSER); | |
302 | sendnoticetouser(versionscan_nick, np, "%d - g-line *@host", VS_GLHOST); | |
303 | return CMD_OK; | |
304 | } | |
305 | if (!strcasecmp(cargv[0], "delpattern")) { | |
306 | sendnoticetouser(versionscan_nick, np, "Syntax: delpattern <pattern>"); | |
307 | sendnoticetouser(versionscan_nick, np, "Deletes a CTCP version reply pattern."); | |
308 | return CMD_OK; | |
309 | } | |
310 | if (!strcasecmp(cargv[0], "status")) { | |
311 | sendnoticetouser(versionscan_nick, np, "Syntax: status"); | |
312 | sendnoticetouser(versionscan_nick, np, "Gives various bits of information about the bot."); | |
313 | return CMD_OK; | |
314 | } | |
315 | ||
316 | return CMD_OK; | |
317 | } | |
318 | ||
319 | int versionscan_listpatterns(void* sender, int cargc, char** cargv) { | |
320 | nick* np=(nick*)sender; | |
321 | vspattern* v; | |
322 | ||
323 | for (v=vspatterns; v; v=v->next) { | |
324 | sendnoticetouser(versionscan_nick, np, "Pattern [%s]:", v->pattern); | |
325 | sendnoticetouser(versionscan_nick, np, "Data: %s", v->data); | |
326 | sendnoticetouser(versionscan_nick, np, "Action: %s", (v->action == VS_WARN)?"warn":(v->action == VS_KILL)?"kill":(v->action == VS_GLUSER)?"g-line user@host":"g-line *@host"); | |
327 | sendnoticetouser(versionscan_nick, np, "Hit count: %lu", v->hitcount); | |
328 | } | |
329 | sendnoticetouser(versionscan_nick, np, "End of list."); | |
330 | return CMD_OK; | |
331 | } | |
332 | ||
333 | int versionscan_addpatterncmd(void* sender, int cargc, char** cargv) { | |
334 | nick* np=(nick*)sender; | |
335 | int action; | |
336 | ||
337 | if (cargc < 3) { | |
338 | sendnoticetouser(versionscan_nick, np, "Syntax: addpattern <pattern> <action> <data>"); | |
339 | return CMD_ERROR; | |
340 | } | |
341 | ||
342 | action=atoi(cargv[1]); | |
343 | if ((action < VS_WARN) || (action > VS_GLHOST)) { | |
344 | sendnoticetouser(versionscan_nick, np, "Action must be a number between 1 and 4."); | |
345 | return CMD_ERROR; | |
346 | } | |
347 | ||
348 | if (versionscan_getpattern(cargv[0])) { | |
349 | sendnoticetouser(versionscan_nick, np, "That pattern already exists."); | |
350 | return CMD_ERROR; | |
351 | } | |
352 | ||
353 | if ((action > VS_KILL) && !IsVersionscanGlineAccess(np)) { | |
354 | sendnoticetouser(versionscan_nick, np, "You are not allowed to add G-Lines."); | |
355 | return CMD_ERROR; | |
356 | } | |
357 | ||
358 | versionscan_addpattern(cargv[0], cargv[2], (unsigned char)action); | |
359 | sendnoticetouser(versionscan_nick, np, "Done."); | |
360 | return CMD_OK; | |
361 | } | |
362 | ||
363 | int versionscan_delpatterncmd(void* sender, int cargc, char** cargv) { | |
364 | nick* np=(nick*)sender; | |
365 | ||
366 | if (cargc < 1) { | |
367 | sendnoticetouser(versionscan_nick, np, "Syntax: delpattern <pattern>"); | |
368 | return CMD_ERROR; | |
369 | } | |
370 | ||
371 | if (!versionscan_getpattern(cargv[0])) { | |
372 | sendnoticetouser(versionscan_nick, np, "That pattern does not exist."); | |
373 | return CMD_ERROR; | |
374 | } | |
375 | ||
376 | versionscan_delpattern(cargv[0]); | |
377 | sendnoticetouser(versionscan_nick, np, "Done."); | |
378 | return CMD_OK; | |
379 | } | |
380 | ||
381 | int versionscan_status(void* sender, int cargc, char** cargv) { | |
382 | nick* np=(nick*)sender; | |
383 | vspattern* v; | |
384 | int pcount=0; unsigned long chcount=0; | |
385 | ||
386 | for (v=vspatterns; v; v=v->next) { | |
387 | pcount++; | |
388 | chcount+=v->hitcount; | |
389 | } | |
390 | ||
391 | sendnoticetouser(versionscan_nick, np, "Patterns: %d", pcount); | |
392 | sendnoticetouser(versionscan_nick, np, "Users hit: %lu (%lu from current patterns)", hcount, chcount); | |
393 | sendnoticetouser(versionscan_nick, np, "Warnings given: %lu", wcount); | |
394 | sendnoticetouser(versionscan_nick, np, "Kills sent: %lu", kcount); | |
395 | sendnoticetouser(versionscan_nick, np, "G-Lines set: %lu", gcount); | |
396 | return CMD_OK; | |
397 | } | |
398 | ||
399 | int versionscan_hello(void* sender, int cargc, char** cargv) { | |
400 | nick* np=(nick*)sender; | |
401 | ||
402 | if (vsauths) { | |
403 | sendnoticetouser(versionscan_nick, np, "The hello command cannot be used after the first user account has been created."); | |
404 | return CMD_ERROR; | |
405 | } | |
406 | ||
407 | vsauths=(vsauthdata*)malloc(sizeof(vsauthdata)); | |
408 | strncpy(vsauths->account, np->authname, ACCOUNTLEN); | |
409 | vsauths->flags=VS_STAFF | VS_GLINE | VS_ADMIN; | |
410 | vsauths->next=NULL; | |
411 | ||
412 | sendnoticetouser(versionscan_nick, np, "An account has been created for you with the following flags: %s.", versionscan_flagstochar(vsauths->flags)); | |
413 | return CMD_OK; | |
414 | } | |
415 | ||
416 | int versionscan_changelev(void* sender, int cargc, char** cargv) { | |
417 | nick* np=(nick*)sender; | |
418 | vsauthdata* v; | |
419 | nick* target; | |
420 | unsigned char flags=0; | |
421 | int i; int plus=1; | |
422 | ||
423 | if (cargc < 2) { | |
424 | sendnoticetouser(versionscan_nick, np, "Syntax: changelev <nick> [+|-]<level>"); | |
425 | return CMD_ERROR; | |
426 | } | |
427 | ||
428 | if (!(target=getnickbynick(cargv[0]))) { | |
429 | sendnoticetouser(versionscan_nick, np, "No such nick."); | |
430 | return CMD_ERROR; | |
431 | } | |
432 | ||
433 | if (!IsAccount(target)) { | |
434 | sendnoticetouser(versionscan_nick, np, "%s is not authed.", target->nick); | |
435 | return CMD_ERROR; | |
436 | } | |
437 | ||
438 | if ((v=versionscan_getauthbyauth(target->authname))) { | |
439 | i=0; | |
440 | if ((cargv[1][0] == '+') || (cargv[1][0] =='-')) { | |
441 | plus=(cargv[1][0] == '+')?1:0; | |
442 | i++; | |
443 | flags=v->flags; | |
444 | } | |
445 | for (; cargv[1][i]; i++) { | |
446 | switch (cargv[1][i]) { | |
447 | case 'a': | |
448 | flags=(plus)?flags | VS_ADMIN:flags & (~VS_ADMIN); | |
449 | break; | |
450 | case 'g': | |
451 | flags=(plus)?flags | VS_GLINE:flags & (~VS_GLINE); | |
452 | break; | |
453 | case 's': | |
454 | flags=(plus)?flags | VS_STAFF:flags & (~VS_STAFF); | |
455 | break; | |
456 | default: | |
457 | sendnoticetouser(versionscan_nick, np, "Invalid level '%c'.", cargv[1][i]); | |
458 | return CMD_ERROR; | |
459 | break; | |
460 | } | |
461 | } | |
462 | if (!flags) { | |
463 | vsauthdata* pv, *prevv; | |
464 | ||
465 | prevv=0; | |
466 | for (pv=vsauths; pv; pv++) { | |
467 | if (pv == v) { | |
468 | if (prevv) { | |
469 | prevv->next=pv->next; | |
470 | free(pv); | |
471 | } | |
472 | else { | |
473 | vsauths=pv->next; | |
474 | free(pv); | |
475 | } | |
476 | } | |
477 | prevv=pv; | |
478 | } | |
479 | } | |
480 | else { | |
481 | v->flags=flags; | |
482 | } | |
483 | sendnoticetouser(versionscan_nick, np, "Done."); | |
484 | return CMD_OK; | |
485 | } | |
486 | else { | |
487 | i=0; | |
488 | if ((cargv[1][0] == '+') || (cargv[1][0] =='-')) { | |
489 | plus=(cargv[1][0] == '+')?1:0; | |
490 | i++; | |
491 | } | |
492 | for (; cargv[1][i]; i++) { | |
493 | switch (cargv[1][i]) { | |
494 | case 'a': | |
495 | flags=(plus)?flags | VS_ADMIN:flags & (~VS_ADMIN); | |
496 | break; | |
497 | case 'g': | |
498 | flags=(plus)?flags | VS_GLINE:flags & (~VS_GLINE); | |
499 | break; | |
500 | case 's': | |
501 | flags=(plus)?flags | VS_STAFF:flags & (~VS_STAFF); | |
502 | break; | |
503 | default: | |
504 | sendnoticetouser(versionscan_nick, np, "Invalid level '%c'.", cargv[1][i]); | |
505 | return CMD_ERROR; | |
506 | break; | |
507 | } | |
508 | } | |
509 | if (flags) { | |
510 | for (v=vsauths; v; v=v->next) { | |
511 | if (!v->next) { | |
512 | v->next=(vsauthdata*)malloc(sizeof(vsauthdata)); | |
513 | strncpy(v->next->account, target->authname, ACCOUNTLEN); | |
514 | v->next->flags=flags; | |
515 | v->next->next=0; | |
516 | sendnoticetouser(versionscan_nick, np, "Done."); | |
517 | return CMD_OK; | |
518 | } | |
519 | } | |
520 | sendnoticetouser(versionscan_nick, np, "Error adding user to database."); | |
521 | } | |
522 | else { | |
523 | sendnoticetouser(versionscan_nick, np, "No level specified."); | |
524 | } | |
525 | } | |
526 | ||
527 | return CMD_ERROR; | |
528 | } | |
529 | ||
530 | int versionscan_scan(void* sender, int cargc, char** cargv) { | |
531 | nick* np=(nick*)sender; | |
532 | nick* n; | |
533 | channel* cp; | |
534 | ||
535 | if (cargc < 1) { | |
536 | sendnoticetouser(versionscan_nick, np, "Syntax: scan <target>"); | |
537 | return CMD_ERROR; | |
538 | } | |
539 | ||
540 | if (versionscan_mode != VS_SCAN) { | |
541 | sendnoticetouser(versionscan_nick, np, "Scanning of users is currently disabled."); | |
542 | return CMD_ERROR; | |
543 | } | |
544 | ||
545 | if (cargv[0][0] == '#') { | |
546 | if ((cp=findchannel(cargv[0]))) { | |
547 | sendmessagetochannel(versionscan_nick, cp, "\001VERSION\001"); | |
548 | sendnoticetouser(versionscan_nick, np, "Done."); | |
549 | } | |
550 | else { | |
551 | sendnoticetouser(versionscan_nick, np, "No such channel."); | |
552 | return CMD_ERROR; | |
553 | } | |
554 | } | |
555 | else { | |
556 | if ((n=getnickbynick(cargv[0]))) { | |
557 | if (IsOper(n)) { | |
558 | sendnoticetouser(versionscan_nick, np, "Cannot scan IRC Operators."); | |
559 | return CMD_ERROR; | |
560 | } | |
561 | sendmessagetouser(versionscan_nick, n, "\001VERSION\001"); | |
562 | sendnoticetouser(versionscan_nick, np, "Done."); | |
563 | } | |
564 | else { | |
565 | sendnoticetouser(versionscan_nick, np, "No such nick."); | |
566 | return CMD_ERROR; | |
567 | } | |
568 | } | |
569 | return CMD_OK; | |
570 | } | |
571 | ||
572 | int versionscan_modecmd(void* sender, int cargc, char** cargv) { | |
573 | nick* np=(nick*)sender; | |
574 | int oldmode=versionscan_mode; | |
575 | ||
576 | if (cargc < 1) { | |
577 | sendnoticetouser(versionscan_nick, np, "Currently running in %s mode.", (versionscan_mode == VS_SCAN)?"SCAN":(versionscan_mode == VS_STAT)?"STATISTICS":"IDLE"); | |
578 | return CMD_OK; | |
579 | } | |
580 | ||
581 | if (!ircd_strcmp(cargv[0], "idle")) { | |
582 | versionscan_mode=VS_IDLE; | |
583 | sendnoticetouser(versionscan_nick, np, "Now operating in IDLE mode."); | |
584 | } | |
585 | else if (!ircd_strcmp(cargv[0], "scan")) { | |
586 | versionscan_mode=VS_SCAN; | |
587 | sendnoticetouser(versionscan_nick, np, "Now operating in SCAN mode."); | |
588 | } | |
589 | else if (!ircd_strcmp(cargv[0], "stat")) { | |
590 | versionscan_mode=VS_STAT; | |
591 | sendnoticetouser(versionscan_nick, np, "Now operating in STATISTICS mode."); | |
592 | } | |
593 | else { | |
594 | sendnoticetouser(versionscan_nick, np, "Invalid mode of operation."); | |
595 | return CMD_ERROR; | |
596 | } | |
597 | ||
598 | if (oldmode == VS_STAT) { | |
599 | vsstatistic* v, *nv; | |
600 | ||
601 | for (v=vsstats; v;) { | |
602 | nv=v->next; | |
603 | free(v->reply); | |
604 | free(v); | |
605 | v=nv; | |
606 | } | |
607 | vsstats=0; | |
608 | } | |
609 | ||
610 | return CMD_OK; | |
611 | } | |
612 | ||
613 | int versionscan_statistics(void* sender, int cargc, char** cargv) { | |
614 | nick* np=(nick*)sender; | |
615 | vsstatistic* v; | |
616 | long rlimit=0, limit=100; | |
617 | ||
618 | if (versionscan_mode != VS_STAT) { | |
619 | sendnoticetouser(versionscan_nick, np, "No statistics are available unless STATISTICS mode of operation is enabled."); | |
620 | return CMD_ERROR; | |
621 | } | |
622 | if (cargc) { | |
623 | limit=atoi(cargv[0]); | |
624 | } | |
625 | if ((limit < 1) || (limit > 500)) { | |
626 | sendnoticetouser(versionscan_nick, np, "Invalid results limit. Valid values are 1-500."); | |
627 | return CMD_ERROR; | |
628 | } | |
629 | sendnoticetouser(versionscan_nick, np, "Reply: [Count]:"); | |
630 | for (v=vsstats; (v && (rlimit < limit)); v=v->next) { | |
631 | sendnoticetouser(versionscan_nick, np, "%s [%lu]", v->reply, v->count); | |
632 | rlimit++; | |
633 | } | |
634 | sendnoticetouser(versionscan_nick, np, "End of list - %lu results returned.", rlimit); | |
635 | return CMD_OK; | |
636 | } | |
637 | ||
638 | int versionscan_statsdump(void* sender, int cargc, char** cargv) { | |
639 | nick* np=(nick*)sender; | |
640 | vsstatistic* v; | |
641 | long rlimit=0; | |
642 | FILE *fout; | |
643 | ||
644 | if (versionscan_mode != VS_STAT) { | |
645 | sendnoticetouser(versionscan_nick, np, "No statistics are available unless STATISTICS mode of operation is enabled."); | |
646 | return CMD_ERROR; | |
647 | } | |
648 | if (!(fout=fopen("data/versionscanstats","w"))) { | |
649 | sendnoticetouser(versionscan_nick, np, "Unable to open save file."); | |
650 | return CMD_ERROR; | |
651 | } | |
652 | for (v=vsstats; v; v=v->next) { | |
653 | fprintf(fout, "%lu:%s\n", v->count, v->reply); | |
654 | rlimit++; | |
655 | } | |
656 | fclose(fout); | |
657 | sendnoticetouser(versionscan_nick, np, "%lu results saved.", rlimit); | |
658 | return CMD_OK; | |
659 | } | |
660 | ||
661 | int versionscan_broadcast(void* sender, int cargc, char** cargv) { | |
662 | nick* np=(nick*)sender; | |
663 | int force=0; | |
664 | ||
665 | if (cargc) { | |
666 | if (strcmp(cargv[0], "-f")) { | |
667 | sendnoticetouser(versionscan_nick, np, "Invalid flag."); | |
668 | return CMD_ERROR; | |
669 | } | |
670 | force=1; | |
671 | } | |
672 | ||
673 | if (versionscan_mode != VS_STAT) { | |
674 | if (!force) { | |
675 | sendnoticetouser(versionscan_nick, np, "Statistics collection mode is not currently enabled. Use the 'mode' command to change current mode of operation."); | |
676 | sendnoticetouser(versionscan_nick, np, "If you really wish to send a network-wide CTCP version whilst running in SCAN or IDLE mode, use the -f flag."); | |
677 | return CMD_ERROR; | |
678 | } | |
679 | sendnoticetouser(versionscan_nick, np, "Forcing network-wide CTCP version."); | |
680 | } | |
681 | ||
682 | irc_send("%s P $* :\001VERSION\001\r\n", longtonumeric(versionscan_nick->numeric, 5)); | |
683 | sendnoticetouser(versionscan_nick, np, "Done."); | |
684 | ||
685 | return CMD_OK; | |
686 | } | |
687 | ||
688 | void versionscan_newnick(int hooknum, void* arg) { | |
689 | nick* np=(nick*)arg; | |
690 | ||
691 | /* ignore opers or auth'd users, helps cut down on spam during a burst */ | |
692 | if (!(IsOper(np) || IsAccount(np)) && (versionscan_mode == VS_SCAN)) { | |
693 | sendmessagetouser(versionscan_nick, np, "\001VERSION\001"); | |
694 | } | |
695 | } | |
696 | ||
697 | void versionscan_handler(nick* me, int type, void** args) { | |
698 | nick* sender; | |
699 | Command* cmd; | |
700 | char* cargv[50]; | |
701 | int cargc; | |
702 | vspattern* v; | |
703 | char* p; | |
704 | ||
705 | switch (type) { | |
706 | case LU_PRIVMSG: | |
707 | case LU_SECUREMSG: | |
708 | /* nick */ | |
709 | sender=args[0]; | |
710 | ||
711 | if (!strncmp("\001VERSION", args[1], 8)) { | |
712 | sendnoticetouser(versionscan_nick, sender, "\001VERSION QuakeNet %s v%s.\001", VS_RNDESC, VS_VERSION); | |
713 | return; | |
714 | } | |
715 | ||
716 | cargc=splitline((char*)args[1], cargv, 50, 0); | |
717 | ||
718 | cmd=findcommandintree(versionscan_commands, cargv[0], 1); | |
719 | if (!cmd) { | |
720 | sendnoticetouser(versionscan_nick, sender, "Unknown command."); | |
721 | return; | |
722 | } | |
723 | ||
724 | if ((cmd->level & VS_AUTHED) && !IsAccount(sender)) { | |
725 | sendnoticetouser(versionscan_nick, sender, "Sorry, you need to be authed to use this command."); | |
726 | return; | |
727 | } | |
728 | ||
729 | if ((cmd->level & VS_OPER) && !IsOper(sender)) { | |
730 | sendnoticetouser(versionscan_nick, sender, "Sorry, you need to be opered to use this command."); | |
731 | return; | |
732 | } | |
733 | ||
734 | if (((cmd->level & VS_STAFF) && !IsVersionscanStaff(sender)) || | |
735 | ((cmd->level & VS_GLINE) && !IsVersionscanGlineAccess(sender)) || | |
736 | ((cmd->level & VS_ADMIN) && !IsVersionscanAdmin(sender))) { | |
737 | sendnoticetouser(versionscan_nick, sender, "Sorry, you do not have access to this command."); | |
738 | return; | |
739 | } | |
740 | ||
741 | if (cmd->maxparams < (cargc-1)) { | |
742 | /* We need to do some rejoining */ | |
743 | rejoinline(cargv[cmd->maxparams], cargc-(cmd->maxparams)); | |
744 | cargc=(cmd->maxparams)+1; | |
745 | } | |
746 | ||
747 | (cmd->handler)((void*)sender, cargc-1, &(cargv[1])); | |
748 | break; | |
749 | case LU_PRIVNOTICE: | |
750 | sender=args[0]; | |
751 | ||
752 | if (strncmp("\001VERSION ", args[1], 9)) { | |
753 | break; | |
754 | } | |
755 | if ((p=strchr((char *)args[1] + 9, '\001'))) { | |
756 | *p++='\0'; | |
757 | } | |
758 | if (versionscan_mode == VS_SCAN) { | |
759 | if (IsOper(sender)) { | |
760 | break; | |
761 | } | |
762 | for (v=vspatterns; v; v=v->next) { | |
763 | if (match2strings(v->pattern, (char *)args[1] + 9)) { | |
764 | v->hitcount++; | |
765 | hcount++; | |
766 | switch (v->action) { | |
767 | case VS_WARN: | |
768 | sendnoticetouser(versionscan_nick, sender, "%s", v->data); | |
769 | wcount++; | |
770 | break; | |
771 | case VS_KILL: | |
772 | killuser(versionscan_nick, sender, "%s", v->data); | |
773 | kcount++; | |
774 | break; | |
775 | case VS_GLUSER: | |
776 | glinebynick(sender, 3600, v->data, GLINE_ALWAYS_USER, "versionscan"); | |
777 | gcount++; | |
778 | break; | |
779 | case VS_GLHOST: | |
780 | glinebynick(sender, 3600, v->data, 0, "versionscan"); | |
781 | gcount++; | |
782 | break; | |
783 | default: | |
784 | /* oh dear, something's fucked */ | |
785 | break; | |
786 | } | |
787 | break; | |
788 | } | |
789 | } | |
790 | } | |
791 | else if (versionscan_mode == VS_STAT) { | |
792 | versionscan_addstat((char *)args[1] + 9); | |
793 | } | |
794 | break; | |
795 | case LU_KILLED: | |
796 | versionscan_nick=NULL; | |
797 | scheduleoneshot(time(NULL)+1, &versionscan_createfakeuser, NULL); | |
798 | break; | |
799 | } | |
800 | } | |
801 | ||
802 | void versionscan_createfakeuser(void* arg) { | |
803 | channel* cp; | |
804 | char buf[200]; | |
805 | ||
806 | vsconnect=NULL; | |
807 | sprintf(buf, "%s v%s", VS_RNDESC, VS_VERSION); | |
808 | versionscan_nick=registerlocaluser(VS_NICK, VS_IDENT, VS_HOST, buf, VS_AUTHNAME, UMODE_ACCOUNT | UMODE_DEAF | UMODE_OPER | UMODE_SERVICE, versionscan_handler); | |
809 | if ((cp=findchannel(OPER_CHAN))) { | |
810 | localjoinchannel(versionscan_nick, cp); | |
811 | localgetops(versionscan_nick, cp); | |
812 | } else { | |
813 | localcreatechannel(versionscan_nick, OPER_CHAN); | |
814 | } | |
815 | } | |
816 | ||
817 | void _init() { | |
818 | vspatterns=NULL; | |
819 | vsauths=NULL; | |
820 | vsstats=NULL; | |
821 | versionscan_mode=VS_IDLE; | |
822 | ||
823 | versionscan_commands=newcommandtree(); | |
824 | ||
825 | addcommandtotree(versionscan_commands, "showcommands", VS_AUTHED | VS_STAFF, 0, versionscan_showcommands); | |
826 | addcommandtotree(versionscan_commands, "help", VS_AUTHED | VS_STAFF, 1, versionscan_help); | |
827 | addcommandtotree(versionscan_commands, "hello", VS_AUTHED | VS_OPER, 0, versionscan_hello); | |
828 | addcommandtotree(versionscan_commands, "scan", VS_AUTHED | VS_STAFF, 1, versionscan_scan); | |
829 | addcommandtotree(versionscan_commands, "changelev", VS_AUTHED | VS_OPER | VS_ADMIN, 2, versionscan_changelev); | |
830 | addcommandtotree(versionscan_commands, "listpatterns", VS_AUTHED | VS_STAFF | VS_OPER, 0, versionscan_listpatterns); | |
831 | addcommandtotree(versionscan_commands, "addpattern", VS_AUTHED | VS_STAFF | VS_OPER, 3, versionscan_addpatterncmd); | |
832 | addcommandtotree(versionscan_commands, "delpattern", VS_AUTHED | VS_OPER | VS_ADMIN, 1, versionscan_delpatterncmd); | |
833 | addcommandtotree(versionscan_commands, "status", VS_AUTHED | VS_OPER | VS_ADMIN, 0, versionscan_status); | |
834 | addcommandtotree(versionscan_commands, "mode", VS_AUTHED | VS_OPER | VS_ADMIN, 1, versionscan_modecmd); | |
835 | addcommandtotree(versionscan_commands, "statistics", VS_AUTHED | VS_OPER | VS_STAFF, 1, versionscan_statistics); | |
836 | addcommandtotree(versionscan_commands, "statsdump", VS_AUTHED | VS_OPER | VS_STAFF, 1, versionscan_statsdump); | |
837 | addcommandtotree(versionscan_commands, "broadcast", VS_AUTHED | VS_OPER | VS_ADMIN, 1, versionscan_broadcast); | |
838 | addcommandtotree(versionscan_commands, "whois", VS_AUTHED | VS_STAFF, 1, versionscan_whois); | |
839 | ||
840 | registerhook(HOOK_NICK_NEWNICK, &versionscan_newnick); | |
841 | ||
842 | vsconnect=scheduleoneshot(time(NULL)+1, &versionscan_createfakeuser, NULL); | |
843 | } | |
844 | ||
845 | void _fini() { | |
846 | void* p, *np; | |
847 | ||
848 | deregisterhook(HOOK_NICK_NEWNICK, &versionscan_newnick); | |
849 | ||
850 | if (vsconnect) { | |
851 | deleteschedule(vsconnect, &versionscan_createfakeuser, NULL); | |
852 | vsconnect=NULL; | |
853 | } | |
854 | ||
855 | if (versionscan_nick) { | |
856 | deregisterlocaluser(versionscan_nick, "Module unloaded."); | |
857 | versionscan_nick=NULL; | |
858 | } | |
859 | ||
860 | destroycommandtree(versionscan_commands); | |
861 | ||
862 | for (p=vspatterns; p;) { | |
863 | np=((vspattern*)p)->next; | |
864 | free(p); | |
865 | p=np; | |
866 | } | |
867 | for (p=vsauths; p;) { | |
868 | np=((vsauthdata*)p)->next; | |
869 | free(p); | |
870 | p=np; | |
871 | } | |
872 | for (p=vsstats; p;) { | |
873 | np=((vsstatistic*)p)->next; | |
874 | free(((vsstatistic*)p)->reply); | |
875 | free(p); | |
876 | p=np; | |
877 | } | |
878 | } |