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Commit | Line | Data |
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25b7d0fa P |
1 | /* |
2 | * S and Q request system! | |
3 | * | |
4 | * Depends on "chanstats" and "chanfix" | |
5 | */ | |
6 | ||
052247fa | 7 | #include <stdio.h> |
25b7d0fa P |
8 | #include "request.h" |
9 | #include "sqrequest.h" | |
10 | #include "request_block.h" | |
11 | #include "../chanfix/chanfix.h" | |
12 | #include "../chanstats/chanstats.h" | |
13 | #include "../localuser/localuser.h" | |
14 | #include "../lib/irc_string.h" | |
15 | #include "../core/schedule.h" | |
f011b15a | 16 | #include "../core/config.h" |
0096e09a | 17 | #include "../spamscan2/spamscan2.h" |
25b7d0fa P |
18 | |
19 | #include <stdarg.h> | |
20 | #include <stdio.h> | |
21 | #include <string.h> | |
22 | ||
23 | #define QRLstate_IDLE 0x0 /* No request active */ | |
24 | #define QRLstate_AWAITINGCHAN 0x1 /* Awaiting "Users for channel.." */ | |
25 | #define QRLstate_AWAITINGUSER 0x2 /* Looking for our user in the list */ | |
26 | #define QRLstate_AWAITINGEND 0x3 /* Waiting for "End of chanlev" */ | |
27 | ||
28 | #define QR_FAILED 0x0 | |
29 | #define QR_OK 0x1 | |
30 | ||
31 | #define QR_CSERVE 0x0 | |
32 | #define QR_SPAMSCAN 0x1 | |
33 | ||
34 | #define QR_L 0x0 | |
35 | #define QR_Q 0x1 | |
36 | ||
37 | #define min(a,b) ((a > b) ? b : a) | |
38 | ||
39 | typedef struct requestrec { | |
40 | unsigned int reqnumeric; /* Who made the request */ | |
41 | chanindex *cip; /* Which channel the request is for */ | |
42 | int what; /* Which service does the user want? */ | |
43 | int who; /* Who are we talking to about CHANLEV? */ | |
44 | struct requestrec *next; | |
45 | } requestrec; | |
46 | ||
47 | requestrec *nextreql, *lastreql; | |
48 | requestrec *nextreqq, *lastreqq; | |
49 | ||
50 | ||
b98ba21f | 51 | static requestrec *nextqreq, *lastqreq; |
25b7d0fa P |
52 | |
53 | extern nick *rqnick; | |
54 | int rlstate; | |
55 | int rqstate; | |
56 | ||
57 | /* stats counters */ | |
58 | int qr_suspended = 0; | |
59 | int qr_nohist = 0; | |
60 | int qr_toosmall = 0; | |
61 | int qr_nochanlev = 0; | |
62 | int qr_notowner = 0; | |
63 | ||
0096e09a P |
64 | int qr_a = 0; |
65 | int qr_b = 0; | |
66 | int qr_c = 0; | |
67 | int qr_d = 0; | |
68 | int qr_e = 0; | |
69 | ||
25b7d0fa P |
70 | /* Check whether the user is blocked */ |
71 | int qr_blockcheck(requestrec *req) { | |
72 | nick *np; | |
73 | rq_block *block; | |
74 | ||
75 | np = getnickbynumeric(req->reqnumeric); | |
76 | ||
77 | /* user is not online anymore */ | |
78 | if (np == NULL) | |
79 | return 0; | |
80 | ||
81 | block = rq_findblock(np->authname); | |
82 | ||
83 | if (block != NULL) | |
84 | return 1; /* user is blocked */ | |
85 | else | |
86 | return 0; | |
87 | } | |
88 | ||
052247fa CP |
89 | unsigned int rq_countchanusers(channel *cp) { |
90 | int i, count=0; | |
91 | ||
92 | for (i=0;i<cp->users->hashsize;i++) { | |
93 | if (cp->users->content[i]==nouser) | |
94 | continue; | |
95 | ||
96 | count++; | |
97 | } | |
98 | ||
99 | return count; | |
100 | } | |
101 | ||
25b7d0fa P |
102 | /* |
103 | * Deal with outcome of a queued request. The request should be freed | |
104 | * as part of the process. | |
105 | */ | |
106 | ||
b98ba21f | 107 | static void qr_result(requestrec *req, int outcome, char failcode, char *message, ...) { |
25b7d0fa P |
108 | sstring *user, *password; |
109 | requestrec **rh; | |
110 | char msgbuf[512]; | |
111 | va_list va; | |
112 | nick *lnp, *qnp, *np, *tnp, *snp; | |
052247fa CP |
113 | char now[50]; |
114 | time_t now_ts; | |
115 | unsigned int unique, total; | |
116 | ||
25b7d0fa P |
117 | /* Delete the request from the list first.. */ |
118 | for (rh=&nextreql;*rh;rh=&((*rh)->next)) { | |
119 | if (*rh==req) { | |
120 | *rh=req->next; | |
121 | break; | |
122 | } | |
123 | } | |
124 | ||
125 | for (rh=&nextreqq;*rh;rh=&((*rh)->next)) { | |
126 | if (*rh==req) { | |
127 | *rh=req->next; | |
128 | break; | |
129 | } | |
130 | } | |
131 | ||
132 | /* If this was the last request (unlikely), | |
133 | * we need to fix the last pointer */ | |
134 | if (lastreql==req) { | |
135 | if (nextreql) | |
136 | for (lastreql=nextreql;lastreql->next;lastreql=lastreql->next) | |
137 | ; /* empty loop */ | |
138 | else | |
139 | lastreql=NULL; | |
140 | } | |
141 | ||
142 | if (lastreqq==req) { | |
143 | if (nextreqq) | |
144 | for (lastreqq=nextreqq;lastreqq->next;lastreqq=lastreqq->next) | |
145 | ; /* empty loop */ | |
146 | else | |
147 | lastreqq=NULL; | |
148 | } | |
149 | ||
150 | /* Check that the nick is still here. If not, drop the request. */ | |
151 | if (!(tnp=np=getnickbynumeric(req->reqnumeric))) { | |
152 | free(req); | |
153 | return; | |
154 | } | |
155 | ||
052247fa CP |
156 | if (rq_logfd != NULL) { |
157 | now[0] = '\0'; | |
158 | now_ts = time(NULL); | |
159 | ||
160 | if (req->cip->channel) { | |
161 | unique = countuniquehosts(req->cip->channel); | |
162 | total = rq_countchanusers(req->cip->channel); | |
163 | } else { | |
164 | unique = 0; | |
165 | total = 0; | |
166 | } | |
cbdd5aab | 167 | |
052247fa CP |
168 | strftime(now, sizeof(now), "%c", localtime(&now_ts)); |
169 | fprintf(rq_logfd, "%s: request (%s) for %s (%d unique users, " | |
0096e09a | 170 | "%d total users) from %s: Request was %s (%c).\n", now, |
052247fa CP |
171 | (req->what == QR_CSERVE) ? RQ_QNICK : RQ_SNICK, |
172 | req->cip->name->content, unique, total, tnp->nick, | |
0096e09a | 173 | (outcome == QR_OK) ? "accepted" : "denied", failcode); |
052247fa | 174 | fflush(rq_logfd); |
cbdd5aab P |
175 | } |
176 | ||
25b7d0fa P |
177 | if (outcome==QR_OK) { |
178 | if (req->what == QR_CSERVE) { | |
179 | /* Delete L, add Q. Check that they both exist first, though. */ | |
180 | ||
181 | if (!(lnp=getnickbynick(RQ_LNICK)) || !(qnp=getnickbynick(RQ_QNICK))) { | |
182 | sendnoticetouser(rqnick, tnp, | |
183 | "Error: Cannot find %s and %s on the network. " | |
184 | "Please request again later.", RQ_LNICK, RQ_QNICK); | |
185 | free(req); | |
186 | return; | |
187 | } | |
0096e09a P |
188 | |
189 | if ( !IsAccount(lnp) ) { | |
190 | sendnoticetouser(rqnick, tnp, "Internal Error Occured: L is not authed. Contact #help"); | |
191 | free(req); | |
192 | return; | |
193 | } | |
194 | ||
25b7d0fa P |
195 | /* /msg Q ADDCHAN <channel> <flags> <owners nick> <channeltype> */ |
196 | sendmessagetouser(rqnick, qnp, "ADDCHAN %s +ap #%s upgrade", | |
197 | req->cip->name->content, | |
198 | np->authname); | |
199 | ||
200 | sendnoticetouser(rqnick, tnp, "Adding %s to channel, please wait...", | |
201 | RQ_QNICK); | |
202 | } else if (req->what == QR_SPAMSCAN) { | |
203 | /* Add S */ | |
204 | ||
205 | if (!(snp=getnickbynick(RQ_SNICK))) { | |
206 | sendnoticetouser(rqnick, tnp, | |
207 | "Error: Cannot find %s on the network. " | |
208 | "Please request again later.", RQ_SNICK); | |
209 | ||
210 | free(req); | |
211 | return; | |
212 | } | |
213 | ||
214 | sendnoticetouser(rqnick, tnp, "Requirements met, %s should be added. " | |
215 | "Contact #help should further assistance be required.", | |
216 | RQ_SNICK); | |
217 | ||
218 | /* auth */ | |
052247fa CP |
219 | user = (sstring *)getcopyconfigitem("request", "user", "R", 30); |
220 | password = (sstring *)getcopyconfigitem("request", "password", "bla", 30); | |
25b7d0fa P |
221 | sendmessagetouser(rqnick, snp, "AUTH %s %s", user->content, password->content); |
222 | freesstring(user); | |
223 | freesstring(password); | |
224 | ||
225 | /* /msg S addchan <channel> default */ | |
0096e09a P |
226 | //sendmessagetouser(rqnick, snp, "ADDCHAN %s default +op", req->cip->name->content); |
227 | ||
228 | { | |
229 | spamscan_channelprofile *cp; | |
230 | spamscan_channelsettings *cs; | |
231 | spamscan_channelext *ce; | |
232 | chanindex *sc_index; | |
233 | ||
234 | cs = spamscan_getchannelsettings(req->cip->name->content, 0); | |
235 | ||
236 | if ( !cs ) { | |
237 | cp = spamscan_getchannelprofile("Default", 0); | |
238 | ||
239 | if ( cp ) { | |
240 | cs = spamscan_getchannelsettings(req->cip->name->content, 1); | |
241 | ||
242 | if ( cs ) { | |
243 | cs->cp = cp; | |
244 | cs->addedby = spamscan_getaccountsettings("R", 0); | |
245 | cs->flags = SPAMSCAN_CF_IGNOREOPS; | |
246 | ||
247 | sc_index = findorcreatechanindex(req->cip->name->content); | |
248 | ||
249 | if ( sc_index ) { | |
250 | ce = spamscan_getchanext(sc_index, 1); | |
251 | ce->cs = cs; | |
252 | ||
253 | if ( s_nickname && !CFIsSuspended(cs) && sc_index->channel ) { | |
254 | ce->joinedchan = 1; | |
255 | localjoinchannel(s_nickname, sc_index->channel); | |
256 | localgetops(s_nickname, sc_index->channel); | |
257 | } | |
258 | } | |
259 | ||
260 | spamscan_insertchanneldb(cs); | |
261 | } | |
262 | } | |
263 | } | |
264 | } | |
25b7d0fa P |
265 | |
266 | /* we do not put the request into another queue, so free it here */ | |
267 | free(req); | |
268 | ||
269 | return; | |
270 | } | |
271 | ||
272 | if (lastqreq) | |
273 | lastqreq->next=req; | |
274 | else | |
275 | lastqreq=nextqreq=req; | |
276 | ||
277 | req->next=NULL; | |
278 | ||
279 | rq_success++; | |
280 | ||
281 | /* Don't free, it's in new queue now */ | |
282 | } else { | |
283 | /* Sort out the message.. */ | |
284 | va_start(va, message); | |
285 | vsnprintf(msgbuf,511,message,va); | |
286 | va_end(va); | |
287 | ||
288 | sendnoticetouser(rqnick, tnp, "%s", msgbuf); | |
289 | /* This is a failure message. Add disclaimer. */ | |
290 | /*sendnoticetouser(rqnick, tnp, "Do not complain about this result in #help or #feds.");*/ | |
291 | free(req); | |
292 | ||
293 | rq_failed++; | |
294 | } | |
295 | } | |
296 | ||
297 | /* | |
298 | * qr_checksize: | |
299 | * Checks that a channel is beeeeg enough for teh Q | |
300 | */ | |
301 | ||
b98ba21f | 302 | static int qr_checksize(chanindex *cip, int what, char *failcode) { |
25b7d0fa P |
303 | chanstats *csp; |
304 | channel *cp; | |
052247fa CP |
305 | nick *np, *qbot; |
306 | int i , avg, tot=0, authedcount=0, count=0, uniquecount, avgcount; | |
25b7d0fa P |
307 | |
308 | cp = cip->channel; | |
309 | ||
310 | if (cp == NULL) | |
311 | return 0; /* this shouldn't ever happen */ | |
312 | ||
313 | #if QR_DEBUG | |
314 | return 1; | |
315 | #endif | |
316 | ||
052247fa CP |
317 | /* make sure we can actually add Q */ |
318 | if (what == QR_CSERVE) { | |
319 | qbot = getnickbynick(RQ_QNICK); | |
320 | ||
321 | if (!qbot) | |
322 | return 0; | |
323 | ||
0096e09a P |
324 | if (QR_MAXQCHANS != 0 && qbot->channels->cursi > QR_MAXQCHANS) { |
325 | qr_a++; | |
326 | *failcode = 'A'; | |
052247fa | 327 | return 0; /* no Q for you :p */ |
0096e09a | 328 | } |
052247fa CP |
329 | } |
330 | ||
25b7d0fa P |
331 | /* make sure that there are enough authed users */ |
332 | for (i=0;i<cp->users->hashsize;i++) { | |
333 | if (cp->users->content[i] != nouser) { | |
334 | np = getnickbynumeric(cp->users->content[i]); | |
335 | ||
336 | if (IsAccount(np)) | |
337 | authedcount++; | |
338 | ||
339 | count++; | |
340 | } | |
341 | } | |
342 | ||
0096e09a P |
343 | int authedpct; |
344 | ||
345 | if (what == QR_CSERVE) { | |
346 | if ( count <= QR_AUTHEDPCT_SCALE ) { | |
347 | authedpct = QR_AUTHEDPCT_CSERVE; | |
348 | } else if ( count >= QR_AUTHEDPCT_SCALEMAX ) { | |
349 | authedpct = QR_AUTHEDPCT_CSERVEMIN; | |
350 | } else { | |
351 | authedpct = (QR_AUTHEDPCT_CSERVEMIN + (((QR_AUTHEDPCT_CSERVE - QR_AUTHEDPCT_CSERVEMIN) * (100 - (((count - QR_AUTHEDPCT_SCALE) * 100) / (QR_AUTHEDPCT_SCALEMAX - QR_AUTHEDPCT_SCALE)))) / 100)); | |
352 | } | |
353 | } | |
354 | else { | |
355 | if ( count <= QR_AUTHEDPCT_SCALE ) { | |
356 | authedpct = QR_AUTHEDPCT_SPAMSCAN; | |
357 | } else if ( count >= QR_AUTHEDPCT_SCALEMAX ) { | |
358 | authedpct = QR_AUTHEDPCT_SPAMSCANMIN; | |
359 | } else { | |
360 | authedpct = (QR_AUTHEDPCT_SPAMSCANMIN + (((QR_AUTHEDPCT_SPAMSCAN - QR_AUTHEDPCT_SPAMSCANMIN) * (100 - (((count - QR_AUTHEDPCT_SCALE) * 100) / (QR_AUTHEDPCT_SCALEMAX - QR_AUTHEDPCT_SCALE)))) / 100)); | |
361 | } | |
362 | } | |
363 | ||
364 | if (authedcount * 100 / count < authedpct) { | |
365 | qr_b++; | |
366 | *failcode = 'B'; | |
25b7d0fa | 367 | return 0; /* too few authed users */ |
0096e09a | 368 | } |
25b7d0fa P |
369 | |
370 | if (!(csp=cip->exts[csext])) | |
371 | return 0; | |
372 | ||
373 | for (i=0;i<HISTORYDAYS;i++) { | |
374 | tot += csp->lastdays[i]; | |
375 | } | |
376 | ||
052247fa CP |
377 | uniquecount = countuniquehosts(cp); |
378 | avgcount = tot / HISTORYDAYS / 10; | |
379 | ||
380 | /* chan needs at least QR_MINUSERPCT% of the avg usercount, and can't have | |
381 | * more than QR_MAXUSERPCT% */ | |
0096e09a P |
382 | if ( what == QR_CSERVE ) { |
383 | if ((avgcount * QR_MINUSERSPCT / 100 > uniquecount)) { | |
384 | qr_c++; | |
385 | *failcode = 'C'; | |
386 | return 0; | |
387 | } | |
388 | if ((avgcount * QR_MAXUSERSPCT / 100 < uniquecount)) { | |
389 | qr_e++; | |
390 | *failcode = 'E'; | |
391 | return 0; | |
392 | } | |
393 | } | |
394 | ||
25b7d0fa P |
395 | avg = (what == QR_CSERVE) ? QR_REQUIREDSIZE_CSERVE : QR_REQUIREDSIZE_SPAMSCAN; |
396 | ||
397 | if (tot > (avg * 140)) | |
398 | return 1; | |
0096e09a P |
399 | else { |
400 | qr_d++; | |
401 | *failcode = 'D'; | |
052247fa | 402 | return 0; |
0096e09a | 403 | } |
25b7d0fa P |
404 | } |
405 | ||
406 | /* This function deals with notices from L: basically we track the | |
407 | * responses to the L chanlev requests we've been making until we can | |
408 | * decide what to do with the requests. | |
409 | * | |
410 | * Here's the L chanlev format: | |
411 | * 11:12 -L(TheLBot@lightweight.quakenet.org)- Users for channel #twilightzone | |
412 | * 11:12 -L(TheLBot@lightweight.quakenet.org)- Authname Access flags | |
413 | * 11:12 -L(TheLBot@lightweight.quakenet.org)- ----------------------------- | |
414 | * 11:12 -L(TheLBot@lightweight.quakenet.org)- Bigfoot amno | |
415 | * 11:12 -L(TheLBot@lightweight.quakenet.org)- End of chanlev for #twilightzone. | |
416 | */ | |
417 | ||
b98ba21f | 418 | void qr_handle_notice(nick *sender, char *message) { |
25b7d0fa P |
419 | char *ch, *chop; |
420 | chanindex *cip; | |
421 | requestrec *rrp1, *rrp2; | |
422 | nick *np; | |
423 | int delrequest = 0, state, who; | |
424 | requestrec *nextreq; | |
25b7d0fa P |
425 | |
426 | /* logcp = findchannel("#qnet.request"); | |
427 | ||
428 | if (logcp) | |
429 | sendmessagetochannel(rqnick, logcp, "%s: %s - %d %d %x %x", sender->nick, message, rlstate, rqstate, nextreql, nextreqq); | |
430 | */ | |
431 | if (!ircd_strcmp(sender->nick, RQ_QNICK) && nextqreq) { | |
432 | /* Message from Q */ | |
433 | if (!ircd_strcmp(message,"Done.")) { | |
434 | /* Q added the channel: delete from L and tell the user. */ | |
435 | /* If L has conspired to vanish between the request and the outcome, | |
436 | * we have a chan with Q and L... too bad. */ | |
437 | ||
438 | if ((np=getnickbynick(RQ_LNICK))) { | |
439 | sendmessagetouser(rqnick, np, "SENDCHANLEV %s %s", | |
440 | nextqreq->cip->name->content, RQ_QNICK); | |
441 | ||
442 | sendmessagetouser(rqnick, np, "DELCHAN %s", | |
443 | nextqreq->cip->name->content); | |
444 | } | |
445 | ||
446 | if ((np=getnickbynumeric(nextqreq->reqnumeric))) { | |
447 | sendnoticetouser(rqnick, np, "Request completed. %s added.", RQ_QNICK); | |
448 | } | |
449 | ||
450 | delrequest = 1; | |
451 | } else if (!ircd_strcmp(message,"That channel already exists.")) { | |
452 | if ((np=getnickbynumeric(nextqreq->reqnumeric))) { | |
453 | sendnoticetouser(rqnick, np, | |
0096e09a P |
454 | "Your channel '%s' appears to have %s already " |
455 | "(it may be suspended).", nextqreq->cip->name->content, RQ_QNICK); | |
25b7d0fa P |
456 | |
457 | qr_suspended++; | |
458 | ||
459 | delrequest = 1; | |
460 | } | |
461 | } | |
462 | ||
463 | /* For either of the two messages above we want to delete the request | |
464 | * at the head of the queue. */ | |
465 | if (delrequest) { | |
466 | rrp1=nextqreq; | |
467 | ||
468 | nextqreq=nextqreq->next; | |
469 | if (!nextqreq) | |
470 | lastqreq=NULL; | |
471 | ||
472 | free(rrp1); | |
473 | } | |
474 | } | |
475 | ||
476 | if (!ircd_strcmp(sender->nick, RQ_LNICK) || !ircd_strcmp(sender->nick, RQ_QNICK)) { | |
477 | who = !ircd_strcmp(sender->nick, RQ_LNICK) ? QR_L : QR_Q; | |
478 | state = (who == QR_Q) ? rqstate : rlstate; | |
479 | nextreq = (who == QR_Q) ? nextreqq : nextreql; | |
480 | ||
481 | /* Message from L or Q */ | |
482 | switch (state) { | |
483 | case QRLstate_IDLE: | |
484 | /* We're idle, do nothing */ | |
485 | return; | |
486 | ||
487 | case QRLstate_AWAITINGCHAN: | |
488 | /* We're waiting for conformation of the channel name */ | |
489 | if ((!ircd_strncmp(message,"Users for",9) && who == QR_L) || | |
490 | (!ircd_strncmp(message,"Known users on",14) && who == QR_Q) | |
491 | ) { | |
492 | /* Looks like the right message. Let's find a channel name */ | |
493 | ||
494 | for (ch=message;*ch;ch++) | |
495 | if (*ch=='#') | |
496 | break; | |
497 | ||
498 | if (!*ch) { | |
499 | Error("qrequest",ERR_WARNING, | |
500 | "Unable to parse channel name from L/Q message: %s",message); | |
501 | return; | |
502 | } | |
503 | ||
504 | /* chop off any remaining words */ | |
505 | chop = ch; | |
506 | while (*(chop++)) { | |
507 | if (*chop == ' ') { | |
508 | *chop = '\0'; | |
509 | break; | |
510 | } | |
511 | } | |
512 | ||
513 | if (!(cip=findchanindex(ch))) { | |
514 | Error("qrequest",ERR_WARNING, | |
515 | "Unable to find channel from L/Q message: %s",ch); | |
516 | return; | |
517 | } | |
518 | ||
519 | if (cip==nextreq->cip) { | |
520 | /* Ok, this is the correct channel, everything is proceeding | |
521 | * exactly as I had forseen */ | |
522 | if (who == QR_L) | |
523 | rlstate = QRLstate_AWAITINGUSER; | |
524 | else | |
525 | rqstate = QRLstate_AWAITINGUSER; | |
526 | ||
527 | return; | |
528 | } else { | |
529 | /* Uh-oh, not the channel we wanted. Something is fucked | |
530 | * here. I think the only possible way out of this mess is | |
531 | * to skip through in case we find a match for a later channel.. | |
532 | */ | |
533 | for (rrp1=nextreq;rrp1;rrp1=rrp1->next) | |
534 | if (rrp1->cip==cip) | |
535 | break; | |
536 | ||
537 | if (rrp1) { | |
538 | /* OK, we found a match further down the chain. This means | |
539 | * that something bad has happened to every request between | |
540 | * the head of the list and the one we just found - send | |
541 | * error responses. | |
542 | * | |
543 | * Note weird loop head: qr_result will free up requests from | |
544 | * the list as it goes, so we can just keep picking off the first | |
545 | * entry | |
546 | */ | |
f3c45977 | 547 | for(rrp2=nextreq;rrp2;) { |
25b7d0fa P |
548 | if (rrp2==rrp1) |
549 | break; | |
550 | ||
551 | Error("qrequest",ERR_WARNING, | |
552 | "Lost response for channel %s; skipping.", | |
553 | rrp2->cip->name->content); | |
554 | ||
0096e09a | 555 | qr_result(rrp2, QR_FAILED, 'X', |
25b7d0fa | 556 | "Sorry, an error occurred while processing your request."); |
f3c45977 P |
557 | |
558 | rrp2 = nextreq = (who == QR_Q) ? nextreqq : nextreql; | |
25b7d0fa P |
559 | } |
560 | ||
561 | if (rrp2) { | |
562 | /* We seem to be back in sync. */ | |
563 | if (who == QR_L) | |
564 | rlstate = QRLstate_AWAITINGUSER; | |
565 | else | |
566 | rqstate = QRLstate_AWAITINGUSER; | |
567 | ||
568 | return; | |
569 | } | |
570 | /* Some form of hole in the space time continuum exists | |
571 | * if we get here. Unclear how to proceed. */ | |
572 | return; | |
573 | } else { | |
574 | /* No match - let's just ignore this completely */ | |
575 | Error("qrequest",ERR_WARNING, | |
576 | "Ignoring L/Q response for spurious channel %s", | |
577 | cip->name->content); | |
578 | return; | |
579 | } | |
580 | } | |
581 | } | |
582 | break; | |
583 | ||
584 | case QRLstate_AWAITINGUSER: | |
585 | if ((!ircd_strncmp(message, "End of chanlev",14) && who == QR_L) || | |
586 | (!ircd_strncmp(message, "End of list.",12) && who == QR_Q)) { | |
587 | /* Oh dear, we got to the end of the chanlev in this state. | |
588 | * This means that we didn't find the user. | |
589 | */ | |
590 | ||
0096e09a | 591 | qr_result(nextreq, QR_FAILED, 'X', |
25b7d0fa P |
592 | "Error: You are not known on %s.", |
593 | nextreq->cip->name->content); | |
594 | ||
595 | /* need to reset nextreq .. just in case | |
596 | * qr_result has cleaned up records */ | |
597 | ||
598 | nextreq = (who == QR_Q) ? nextreqq : nextreql; | |
599 | ||
600 | if (nextreq) { | |
601 | if (who == QR_L) | |
602 | rlstate = QRLstate_AWAITINGUSER; | |
603 | else | |
604 | rqstate = QRLstate_AWAITINGUSER; | |
605 | } else { | |
606 | if (who == QR_L) | |
607 | rlstate = QRLstate_IDLE; | |
608 | else | |
609 | rqstate = QRLstate_IDLE; | |
610 | } | |
611 | ||
612 | qr_nochanlev++; | |
613 | ||
614 | return; | |
615 | } else { | |
616 | /* Brutalise the message :-) */ | |
617 | ||
618 | if (who == QR_Q) { | |
619 | while (*message == ' ') | |
620 | message++; | |
621 | } | |
622 | ||
623 | if (!(ch=strchr(message, ' '))) | |
624 | return; | |
625 | ||
626 | *ch++='\0'; | |
627 | ||
628 | if (!(np=getnickbynumeric(nextreq->reqnumeric))) | |
629 | return; | |
630 | ||
631 | if (ircd_strcmp(message, np->authname)) { | |
632 | /* This is not the user you are looking for */ | |
633 | return; | |
634 | } | |
635 | ||
636 | /* Check for owner flag. Both branches of this if will | |
637 | * take the request off the list, one way or the other. */ | |
638 | if (strchr(ch, 'n')) { | |
0096e09a | 639 | char failcode; |
25b7d0fa P |
640 | /* They iz teh +n! */ |
641 | ||
642 | /* Note: We're checking for blocks kind of late, so the request | |
643 | system gets a chance to send other error messages first (like | |
644 | 'no chanstats', 'not known on channel', etc.). This is required | |
645 | so that the user doesn't notice that he's being blocked. */ | |
0096e09a P |
646 | if (qr_checksize(nextreq->cip, nextreq->what, &failcode) && !qr_blockcheck(nextreq)) { |
647 | qr_result(nextreq, QR_OK, '-', "OK"); | |
25b7d0fa P |
648 | } else { |
649 | if (nextreq->what == QR_CSERVE) { | |
0096e09a P |
650 | qr_result(nextreq, QR_FAILED, failcode, |
651 | "Error: Sorry, Your channel '%s' does not meet the requirements " | |
652 | "for %s. Please continue to use %s.", nextreq->cip->name->content, RQ_QNICK, RQ_LNICK); | |
25b7d0fa | 653 | } else { |
0096e09a P |
654 | qr_result(nextreq, QR_FAILED, failcode, |
655 | "Error: Sorry, Your channel '%s' does not require %s. Please try again in a few days.", nextreq->cip->name->content, RQ_SNICK); | |
25b7d0fa P |
656 | } |
657 | ||
658 | qr_toosmall++; | |
659 | } | |
660 | } else { | |
0096e09a | 661 | qr_result(nextreq, QR_FAILED, 'X', |
25b7d0fa P |
662 | "Error: You don't hold the +n flag on %s.", |
663 | nextreq->cip->name->content); | |
664 | ||
665 | qr_notowner++; | |
666 | } | |
667 | ||
668 | /* OK, we found what we wanted so make sure we skip the rest */ | |
669 | if (who == QR_L) | |
670 | rlstate = QRLstate_AWAITINGEND; | |
671 | else | |
672 | rqstate = QRLstate_AWAITINGEND; | |
673 | ||
674 | return; | |
675 | } | |
676 | break; | |
677 | ||
678 | case QRLstate_AWAITINGEND: | |
679 | if (!ircd_strncmp(message, "End of chanlev",14) || | |
680 | !ircd_strncmp(message, "End of list.",12)) { | |
681 | /* Found end of list */ | |
682 | ||
683 | if (nextreq) { | |
684 | if (who == QR_L) | |
685 | rlstate = QRLstate_AWAITINGCHAN; | |
686 | else | |
687 | rqstate = QRLstate_AWAITINGCHAN; | |
688 | } else { | |
689 | if (who == QR_L) | |
690 | rlstate = QRLstate_IDLE; | |
691 | else | |
692 | rqstate = QRLstate_IDLE; | |
693 | } | |
694 | ||
695 | return; | |
696 | } | |
697 | break; | |
698 | } | |
699 | } | |
700 | } | |
701 | ||
702 | /* | |
703 | * This function deals with requests from users for Q. | |
704 | * Some sanity checks are made and the request is | |
705 | * added to the queue. | |
706 | */ | |
707 | ||
708 | int qr_requestq(nick *rqnick, nick *sender, channel *cp, nick *lnick, nick *qnick) { | |
709 | chanindex *cip = cp->index; | |
710 | ||
711 | /* Check: | |
712 | * - we have some form of channel stats for the channel | |
713 | * | |
714 | * Note that the actual channel stats will not be checked | |
715 | * until we're sure the user has +n on the channel. | |
716 | */ | |
717 | ||
718 | if (rq_isspam(sender)) { | |
719 | sendnoticetouser(rqnick, sender, "Error: Do not flood the request system." | |
720 | " Try again in %s.", rq_longtoduration(rq_blocktime(sender))); | |
721 | ||
722 | return RQ_ERROR; | |
723 | } | |
724 | ||
725 | if (!cip->exts[csext]) { | |
726 | sendnoticetouser(rqnick, sender, | |
727 | "Error: No historical record exists for %s.", | |
728 | cip->name->content); | |
729 | ||
730 | qr_nohist++; | |
731 | ||
732 | return RQ_ERROR; | |
733 | } | |
734 | ||
735 | /* Request stats from L */ | |
736 | sendmessagetouser(rqnick, lnick, "CHANLEV %s", cip->name->content); | |
737 | ||
738 | /* Sort out a request record */ | |
739 | if (lastreql) { | |
740 | lastreql->next = (requestrec *)malloc(sizeof(requestrec)); | |
741 | lastreql=lastreql->next; | |
742 | } else { | |
743 | lastreql=nextreql=(requestrec *)malloc(sizeof(requestrec)); | |
744 | } | |
745 | ||
746 | lastreql->next = NULL; | |
747 | lastreql->cip = cip; | |
748 | lastreql->what = QR_CSERVE; | |
749 | lastreql->who = QR_L; | |
750 | lastreql->reqnumeric = sender->numeric; | |
751 | ||
752 | if (rlstate == QRLstate_IDLE) | |
753 | rlstate = QRLstate_AWAITINGCHAN; | |
754 | ||
755 | sendnoticetouser(rqnick, sender, | |
756 | "Checking your %s access. " | |
757 | "This may take a while, please be patient...", RQ_LNICK); | |
758 | ||
759 | /* we don't know yet whether the request was successful */ | |
760 | return RQ_UNKNOWN; | |
761 | } | |
762 | ||
763 | int qr_instantrequestq(nick *sender, channel *cp) { | |
764 | requestrec *fakerequest; | |
765 | chanfix *cf; | |
766 | regop *ro; | |
767 | int rocount, i; | |
0096e09a | 768 | char failcode; |
25b7d0fa P |
769 | regop *rolist[QR_TOPX]; |
770 | ||
0096e09a | 771 | if (!qr_checksize(cp->index, QR_CSERVE, &failcode)) |
25b7d0fa P |
772 | return RQ_ERROR; |
773 | ||
774 | cf = cf_findchanfix(cp->index); | |
775 | ||
776 | if (cf == NULL) | |
777 | return RQ_ERROR; | |
778 | ||
779 | rocount = cf_getsortedregops(cf, QR_TOPX, rolist); | |
780 | ||
781 | ro = NULL; | |
782 | ||
783 | for (i = 0; i < min(QR_TOPX, rocount); i++) { | |
784 | if (cf_cmpregopnick(rolist[i], sender)) { | |
785 | ro = rolist[i]; | |
786 | break; | |
787 | } | |
788 | } | |
789 | ||
790 | /* not in top 5 - we don't have to worry about that error here | |
791 | as the L request code will detect it again and send the user | |
792 | an appropriate message */ | |
793 | if (ro == NULL) | |
794 | return RQ_ERROR; | |
795 | ||
796 | /* allocate a fake request */ | |
797 | fakerequest = (requestrec *)malloc(sizeof(requestrec)); | |
798 | ||
799 | fakerequest->reqnumeric = sender->numeric; | |
800 | fakerequest->cip = cp->index; | |
801 | fakerequest->what = QR_CSERVE; | |
802 | fakerequest->who = QR_L; /* pretend that we asked L about the chanlev */ | |
803 | ||
804 | /* add it to the queue */ | |
805 | if (nextreql == NULL) { | |
806 | fakerequest->next = NULL; | |
807 | nextreql = fakerequest; | |
808 | lastreql = fakerequest; | |
809 | } else { | |
810 | fakerequest->next = nextreql; | |
811 | nextreql = fakerequest; | |
812 | } | |
813 | ||
0096e09a | 814 | qr_result(fakerequest, QR_OK, '-', "OK"); |
25b7d0fa P |
815 | |
816 | return RQ_OK; | |
817 | } | |
818 | ||
819 | int qr_requests(nick *rqnick, nick *sender, channel *cp, nick *lnick, nick *qnick) { | |
820 | chanindex *cip = cp->index; | |
f011b15a | 821 | int who = 0; |
25b7d0fa P |
822 | requestrec *nextreq, *lastreq; |
823 | ||
824 | if (rq_isspam(sender)) { | |
825 | sendnoticetouser(rqnick, sender, "Error: Do not flood the request system." | |
826 | " Try again in %s.", rq_longtoduration(rq_blocktime(sender))); | |
827 | ||
828 | return RQ_ERROR; | |
829 | } | |
830 | ||
831 | /* check which service is on the channel */ | |
832 | if (getnumerichandlefromchanhash(cp->users, lnick->numeric) != NULL) { | |
833 | /* we've found L */ | |
834 | who = QR_L; | |
835 | ||
836 | /* Request stats from L */ | |
837 | sendmessagetouser(rqnick, lnick, "CHANLEV %s", cip->name->content); | |
838 | ||
839 | if (rlstate == QRLstate_IDLE) | |
840 | rlstate = QRLstate_AWAITINGCHAN; | |
841 | } else if (getnumerichandlefromchanhash(cp->users, qnick->numeric) != NULL) { | |
842 | /* we've found Q */ | |
843 | who = QR_Q; | |
844 | ||
845 | /* Request stats from Q */ | |
846 | sendmessagetouser(rqnick, qnick, "CHANLEV %s", cip->name->content); | |
847 | ||
848 | if (rqstate == QRLstate_IDLE) | |
849 | rqstate = QRLstate_AWAITINGCHAN; | |
850 | } /* 'else' cannot happen as R has already checked whether the user has L or Q */ | |
851 | ||
852 | lastreq = (who == QR_Q) ? lastreqq : lastreql; | |
853 | nextreq = (who == QR_Q) ? nextreqq : nextreql; | |
854 | ||
855 | /* Sort out a request record */ | |
856 | if (lastreq) { | |
857 | lastreq->next = (requestrec *)malloc(sizeof(requestrec)); | |
858 | lastreq=lastreq->next; | |
859 | } else { | |
860 | lastreq=nextreq=(requestrec *)malloc(sizeof(requestrec)); | |
861 | } | |
862 | ||
863 | lastreq->next = NULL; | |
864 | lastreq->cip = cip; | |
865 | lastreq->what = QR_SPAMSCAN; | |
866 | lastreq->reqnumeric = sender->numeric; | |
867 | ||
868 | if (who == QR_Q) { | |
869 | nextreqq = nextreq; | |
870 | lastreqq = lastreq; | |
871 | } else { | |
872 | nextreql = nextreq; | |
873 | lastreql = lastreq; | |
874 | } | |
875 | ||
876 | sendnoticetouser(rqnick, sender, | |
877 | "Checking your %s access. " | |
878 | "This may take a while, please be patient...", | |
879 | who == QR_Q ? RQ_QNICK : RQ_LNICK); | |
880 | ||
881 | return RQ_UNKNOWN; | |
882 | } | |
883 | ||
884 | void qr_initrequest(void) { | |
885 | nextreql=lastreql=NULL; | |
886 | nextreqq=lastreqq=NULL; | |
887 | nextqreq=lastqreq=NULL; | |
888 | } | |
889 | ||
890 | void qr_finirequest(void) { | |
891 | struct requestrec *rp; | |
892 | ||
893 | while (nextreqq) { | |
894 | rp=nextreqq; | |
895 | nextreqq=nextreqq->next; | |
896 | free(rp); | |
897 | } | |
898 | ||
899 | while (nextreql) { | |
900 | rp=nextreql; | |
901 | nextreql=nextreql->next; | |
902 | free(rp); | |
903 | } | |
904 | ||
905 | while (nextqreq) { | |
906 | rp=nextqreq; | |
907 | nextqreq=nextqreq->next; | |
908 | free(rp); | |
909 | } | |
910 | } | |
911 | ||
912 | void qr_requeststats(nick *rqnick, nick *np) { | |
913 | sendnoticetouser(rqnick, np, "- Suspended (Q): %d", qr_suspended); | |
914 | sendnoticetouser(rqnick, np, "- No chanstats (Q/S): %d", qr_nohist); | |
915 | sendnoticetouser(rqnick, np, "- Too small (Q/S): %d", qr_toosmall); | |
916 | sendnoticetouser(rqnick, np, "- User was not on chanlev (Q/S): %d", qr_nochanlev); | |
917 | sendnoticetouser(rqnick, np, "- User was not the owner (Q/S): %d", qr_notowner); | |
0096e09a P |
918 | sendnoticetouser(rqnick, np, "- A: %d", qr_a); |
919 | sendnoticetouser(rqnick, np, "- B: %d", qr_b); | |
920 | sendnoticetouser(rqnick, np, "- C: %d", qr_c); | |
921 | sendnoticetouser(rqnick, np, "- D: %d", qr_d); | |
922 | sendnoticetouser(rqnick, np, "- E: %d", qr_e); | |
923 | ||
25b7d0fa | 924 | } |