server.c 44 KB

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  1. #ifdef LEAF
  2. /*
  3. * server.c -- part of server.mod
  4. * basic irc server support
  5. *
  6. */
  7. #define MODULE_NAME "server"
  8. #define MAKING_SERVER
  9. #include "src/mod/module.h"
  10. #include "server.h"
  11. static Function *global = NULL;
  12. extern struct cfg_entry CFG_OPTIMESLACK;
  13. static int checked_hostmask; /* Used in request_op()/check_hostmask() cleared on connect */
  14. static int ctcp_mode;
  15. static int serv; /* sock # of server currently */
  16. static int strict_host; /* strict masking of hosts ? */
  17. static char newserver[121]; /* new server? */
  18. static int newserverport; /* new server port? */
  19. static char newserverpass[121]; /* new server password? */
  20. static time_t trying_server; /* trying to connect to a server right now? */
  21. static int curserv; /* current position in server list: */
  22. static int flud_thr; /* msg flood threshold */
  23. static int flud_time; /* msg flood time */
  24. static int flud_ctcp_thr; /* ctcp flood threshold */
  25. static int flud_ctcp_time; /* ctcp flood time */
  26. static char botuserhost[121]; /* bot's user@host (refreshed whenever the
  27. bot joins a channel) */
  28. /* may not be correct user@host BUT it's
  29. how the server sees it */
  30. static int keepnick; /* keep trying to regain my intended
  31. nickname? */
  32. static int nick_juped = 0; /* True if origbotname is juped(RPL437) (dw) */
  33. static int check_stoned; /* Check for a stoned server? */
  34. static int serverror_quit; /* Disconnect from server if ERROR
  35. messages received? */
  36. static int quiet_reject; /* Quietly reject dcc chat or sends from
  37. users without access? */
  38. static int waiting_for_awake; /* set when i unidle myself, cleared when
  39. i get the response */
  40. static time_t server_online; /* server connection time */
  41. static time_t server_cycle_wait; /* seconds to wait before
  42. re-beginning the server list */
  43. static char botrealname[121]; /* realname of bot */
  44. static int server_timeout; /* server timeout for connecting */
  45. static int never_give_up; /* never give up when connecting to servers? */
  46. static int strict_servernames; /* don't update server list */
  47. static struct server_list *serverlist; /* old-style queue, still used by
  48. server list */
  49. static int cycle_time; /* cycle time till next server connect */
  50. static int default_port; /* default IRC port */
  51. static char oldnick[NICKLEN]; /* previous nickname *before* rehash */
  52. static int trigger_on_ignore; /* trigger bindings if user is ignored ? */
  53. static int answer_ctcp; /* answer how many stacked ctcp's ? */
  54. static int lowercase_ctcp; /* answer lowercase CTCP's (non-standard) */
  55. static int check_mode_r; /* check for IRCNET +r modes */
  56. static int net_type;
  57. static int resolvserv; /* in the process of resolving a server host */
  58. static int double_mode; /* allow a msgs to be twice in a queue? */
  59. static int double_server;
  60. static int double_help;
  61. static int double_warned;
  62. static int lastpingtime; /* IRCNet LAGmeter support -- drummer */
  63. static char stackablecmds[511];
  64. static char stackable2cmds[511];
  65. static time_t last_time;
  66. static int use_penalties;
  67. static int use_fastdeq;
  68. static int nick_len; /* Maximal nick length allowed on the
  69. network. */
  70. static int kick_method;
  71. static int optimize_kicks;
  72. static void empty_msgq(void);
  73. static void next_server(int *, char *, unsigned int *, char *);
  74. static void disconnect_server(int);
  75. static int calc_penalty(char *);
  76. static int fast_deq(int);
  77. static char *splitnicks(char **);
  78. static void check_queues(char *, char *);
  79. static void parse_q(struct msgq_head *, char *, char *);
  80. static void purge_kicks(struct msgq_head *);
  81. static int deq_kick(int);
  82. static void msgq_clear(struct msgq_head *qh);
  83. static int stack_limit;
  84. /* New bind tables. */
  85. static bind_table_t *BT_raw, *BT_msg, *BT_ctcr, *BT_ctcp;
  86. #ifdef S_AUTH
  87. static bind_table_t *BT_msgc;
  88. #endif /* S_AUTH */
  89. #include "servmsg.c"
  90. #define MAXPENALTY 10
  91. /* Number of seconds to wait between transmitting queued lines to the server
  92. * lower this value at your own risk. ircd is known to start flood control
  93. * at 512 bytes/2 seconds.
  94. */
  95. #define msgrate 2
  96. /* Maximum messages to store in each queue. */
  97. static int maxqmsg;
  98. static struct msgq_head mq, hq, modeq;
  99. static int burst;
  100. #include "cmdsserv.c"
  101. #include "tclserv.c"
  102. /*
  103. * Bot server queues
  104. */
  105. /* Called periodically to shove out another queued item.
  106. *
  107. * 'mode' queue gets priority now.
  108. *
  109. * Most servers will allow 'busts' of upto 5 msgs, so let's put something
  110. * in to support flushing modeq a little faster if possible.
  111. * Will send upto 4 msgs from modeq, and then send 1 msg every time
  112. * it will *not* send anything from hq until the 'burst' value drops
  113. * down to 0 again (allowing a sudden mq flood to sneak through).
  114. */
  115. static void deq_msg()
  116. {
  117. struct msgq *q;
  118. int ok = 0;
  119. /* now < last_time tested 'cause clock adjustments could mess it up */
  120. if ((now - last_time) >= msgrate || now < (last_time - 90)) {
  121. last_time = now;
  122. if (burst > 0)
  123. burst--;
  124. ok = 1;
  125. }
  126. if (serv < 0)
  127. return;
  128. /* Send upto 4 msgs to server if the *critical queue* has anything in it */
  129. if (modeq.head) {
  130. while (modeq.head && (burst < 4) && ((last_time - now) < MAXPENALTY)) {
  131. if (deq_kick(DP_MODE)) {
  132. burst++;
  133. continue;
  134. }
  135. if (!modeq.head)
  136. break;
  137. if (fast_deq(DP_MODE)) {
  138. burst++;
  139. continue;
  140. }
  141. tputs(serv, modeq.head->msg, modeq.head->len);
  142. if (debug_output) {
  143. modeq.head->msg[strlen(modeq.head->msg) - 1] = 0; /* delete the "\n" */
  144. putlog(LOG_SRVOUT, "@", "[m->] %s", modeq.head->msg);
  145. }
  146. modeq.tot--;
  147. last_time += calc_penalty(modeq.head->msg);
  148. q = modeq.head->next;
  149. free(modeq.head->msg);
  150. free(modeq.head);
  151. modeq.head = q;
  152. burst++;
  153. }
  154. if (!modeq.head)
  155. modeq.last = 0;
  156. return;
  157. }
  158. /* Send something from the normal msg q even if we're slightly bursting */
  159. if (burst > 1)
  160. return;
  161. if (mq.head) {
  162. burst++;
  163. if (deq_kick(DP_SERVER))
  164. return;
  165. if (fast_deq(DP_SERVER))
  166. return;
  167. tputs(serv, mq.head->msg, mq.head->len);
  168. if (debug_output) {
  169. mq.head->msg[strlen(mq.head->msg) - 1] = 0; /* delete the "\n" */
  170. putlog(LOG_SRVOUT, "@", "[s->] %s", mq.head->msg);
  171. }
  172. mq.tot--;
  173. last_time += calc_penalty(mq.head->msg);
  174. q = mq.head->next;
  175. free(mq.head->msg);
  176. free(mq.head);
  177. mq.head = q;
  178. if (!mq.head)
  179. mq.last = NULL;
  180. return;
  181. }
  182. /* Never send anything from the help queue unless everything else is
  183. * finished.
  184. */
  185. if (!hq.head || burst || !ok)
  186. return;
  187. if (deq_kick(DP_HELP))
  188. return;
  189. if (fast_deq(DP_HELP))
  190. return;
  191. tputs(serv, hq.head->msg, hq.head->len);
  192. if (debug_output) {
  193. hq.head->msg[strlen(hq.head->msg) - 1] = 0; /* delete the "\n" */
  194. putlog(LOG_SRVOUT, "*", "[h->] %s", hq.head->msg);
  195. }
  196. hq.tot--;
  197. last_time += calc_penalty(hq.head->msg);
  198. q = hq.head->next;
  199. free(hq.head->msg);
  200. free(hq.head);
  201. hq.head = q;
  202. if (!hq.head)
  203. hq.last = NULL;
  204. }
  205. static int calc_penalty(char * msg)
  206. {
  207. char *cmd, *par1, *par2, *par3;
  208. register int penalty, i, ii;
  209. if (!use_penalties &&
  210. net_type != NETT_UNDERNET && net_type != NETT_HYBRID_EFNET)
  211. return 0;
  212. if (msg[strlen(msg) - 1] == '\n')
  213. msg[strlen(msg) - 1] = '\0';
  214. cmd = newsplit(&msg);
  215. if (msg)
  216. i = strlen(msg);
  217. else
  218. i = strlen(cmd);
  219. last_time -= 2; /* undo eggdrop standard flood prot */
  220. if (net_type == NETT_UNDERNET || net_type == NETT_HYBRID_EFNET) {
  221. last_time += (2 + i / 120);
  222. return 0;
  223. }
  224. penalty = (1 + i / 100);
  225. if (!egg_strcasecmp(cmd, "KICK")) {
  226. par1 = newsplit(&msg); /* channel */
  227. par2 = newsplit(&msg); /* victim(s) */
  228. par3 = splitnicks(&par2);
  229. penalty++;
  230. while (strlen(par3) > 0) {
  231. par3 = splitnicks(&par2);
  232. penalty++;
  233. }
  234. ii = penalty;
  235. par3 = splitnicks(&par1);
  236. while (strlen(par1) > 0) {
  237. par3 = splitnicks(&par1);
  238. penalty += ii;
  239. }
  240. } else if (!egg_strcasecmp(cmd, "MODE")) {
  241. i = 0;
  242. par1 = newsplit(&msg); /* channel */
  243. par2 = newsplit(&msg); /* mode(s) */
  244. if (!strlen(par2))
  245. i++;
  246. while (strlen(par2) > 0) {
  247. if (strchr("ntimps", par2[0]))
  248. i += 3;
  249. else if (!strchr("+-", par2[0]))
  250. i += 1;
  251. par2++;
  252. }
  253. while (strlen(msg) > 0) {
  254. newsplit(&msg);
  255. i += 2;
  256. }
  257. ii = 0;
  258. while (strlen(par1) > 0) {
  259. splitnicks(&par1);
  260. ii++;
  261. }
  262. penalty += (ii * i);
  263. } else if (!egg_strcasecmp(cmd, "TOPIC")) {
  264. penalty++;
  265. par1 = newsplit(&msg); /* channel */
  266. par2 = newsplit(&msg); /* topic */
  267. if (strlen(par2) > 0) { /* topic manipulation => 2 penalty points */
  268. penalty += 2;
  269. par3 = splitnicks(&par1);
  270. while (strlen(par1) > 0) {
  271. par3 = splitnicks(&par1);
  272. penalty += 2;
  273. }
  274. }
  275. } else if (!egg_strcasecmp(cmd, "PRIVMSG") ||
  276. !egg_strcasecmp(cmd, "NOTICE")) {
  277. par1 = newsplit(&msg); /* channel(s)/nick(s) */
  278. /* Add one sec penalty for each recipient */
  279. while (strlen(par1) > 0) {
  280. splitnicks(&par1);
  281. penalty++;
  282. }
  283. } else if (!egg_strcasecmp(cmd, "WHO")) {
  284. par1 = newsplit(&msg); /* masks */
  285. par2 = par1;
  286. while (strlen(par1) > 0) {
  287. par2 = splitnicks(&par1);
  288. if (strlen(par2) > 4) /* long WHO-masks receive less penalty */
  289. penalty += 3;
  290. else
  291. penalty += 5;
  292. }
  293. } else if (!egg_strcasecmp(cmd, "AWAY")) {
  294. if (strlen(msg) > 0)
  295. penalty += 2;
  296. else
  297. penalty += 1;
  298. } else if (!egg_strcasecmp(cmd, "INVITE")) {
  299. /* Successful invite receives 2 or 3 penalty points. Let's go
  300. * with the maximum.
  301. */
  302. penalty += 3;
  303. } else if (!egg_strcasecmp(cmd, "JOIN")) {
  304. penalty += 2;
  305. } else if (!egg_strcasecmp(cmd, "PART")) {
  306. penalty += 4;
  307. } else if (!egg_strcasecmp(cmd, "VERSION")) {
  308. penalty += 2;
  309. } else if (!egg_strcasecmp(cmd, "TIME")) {
  310. penalty += 2;
  311. } else if (!egg_strcasecmp(cmd, "TRACE")) {
  312. penalty += 2;
  313. } else if (!egg_strcasecmp(cmd, "NICK")) {
  314. penalty += 3;
  315. } else if (!egg_strcasecmp(cmd, "ISON")) {
  316. penalty += 1;
  317. } else if (!egg_strcasecmp(cmd, "WHOIS")) {
  318. penalty += 2;
  319. } else if (!egg_strcasecmp(cmd, "DNS")) {
  320. penalty += 2;
  321. } else
  322. penalty++; /* just add standard-penalty */
  323. /* Shouldn't happen, but you never know... */
  324. if (penalty > 99)
  325. penalty = 99;
  326. if (penalty < 2) {
  327. putlog(LOG_SRVOUT, "*", "Penalty < 2sec, that's impossible!");
  328. penalty = 2;
  329. }
  330. if (debug_output && penalty != 0)
  331. putlog(LOG_SRVOUT, "*", "Adding penalty: %i", penalty);
  332. return penalty;
  333. }
  334. char *splitnicks(char **rest)
  335. {
  336. register char *o, *r;
  337. if (!rest)
  338. return *rest = "";
  339. o = *rest;
  340. while (*o == ' ')
  341. o++;
  342. r = o;
  343. while (*o && *o != ',')
  344. o++;
  345. if (*o)
  346. *o++ = 0;
  347. *rest = o;
  348. return r;
  349. }
  350. static int fast_deq(int which)
  351. {
  352. struct msgq_head *h;
  353. struct msgq *m, *nm;
  354. char msgstr[511], nextmsgstr[511], tosend[511], victims[511], stackable[511],
  355. *msg, *nextmsg, *cmd, *nextcmd, *to, *nextto, *stckbl;
  356. int len, doit = 0, found = 0, cmd_count =0, stack_method = 1;
  357. if (!use_fastdeq)
  358. return 0;
  359. switch (which) {
  360. case DP_MODE:
  361. h = &modeq;
  362. break;
  363. case DP_SERVER:
  364. h = &mq;
  365. break;
  366. case DP_HELP:
  367. h = &hq;
  368. break;
  369. default:
  370. return 0;
  371. }
  372. m = h->head;
  373. strncpyz(msgstr, m->msg, sizeof msgstr);
  374. msg = msgstr;
  375. cmd = newsplit(&msg);
  376. if (use_fastdeq > 1) {
  377. strncpyz(stackable, stackablecmds, sizeof stackable);
  378. stckbl = stackable;
  379. while (strlen(stckbl) > 0)
  380. if (!egg_strcasecmp(newsplit(&stckbl), cmd)) {
  381. found = 1;
  382. break;
  383. }
  384. /* If use_fastdeq is 2, only commands in the list should be stacked. */
  385. if (use_fastdeq == 2 && !found)
  386. return 0;
  387. /* If use_fastdeq is 3, only commands that are _not_ in the list
  388. * should be stacked.
  389. */
  390. if (use_fastdeq == 3 && found)
  391. return 0;
  392. /* we check for the stacking method (default=1) */
  393. strncpyz(stackable, stackable2cmds, sizeof stackable);
  394. stckbl = stackable;
  395. while (strlen(stckbl) > 0)
  396. if (!egg_strcasecmp(newsplit(&stckbl), cmd)) {
  397. stack_method = 2;
  398. break;
  399. }
  400. }
  401. to = newsplit(&msg);
  402. len = strlen(to);
  403. if (to[len - 1] == '\n')
  404. to[len -1] = 0;
  405. simple_sprintf(victims, "%s", to);
  406. while (m) {
  407. nm = m->next;
  408. if (!nm)
  409. break;
  410. strncpyz(nextmsgstr, nm->msg, sizeof nextmsgstr);
  411. nextmsg = nextmsgstr;
  412. nextcmd = newsplit(&nextmsg);
  413. nextto = newsplit(&nextmsg);
  414. len = strlen(nextto);
  415. if (nextto[len - 1] == '\n')
  416. nextto[len - 1] = 0;
  417. if ( strcmp(to, nextto) /* we don't stack to the same recipients */
  418. && !strcmp(cmd, nextcmd) && !strcmp(msg, nextmsg)
  419. && ((strlen(cmd) + strlen(victims) + strlen(nextto)
  420. + strlen(msg) + 2) < 510)
  421. && (!stack_limit || cmd_count < stack_limit - 1)) {
  422. cmd_count++;
  423. if (stack_method == 1)
  424. simple_sprintf(victims, "%s,%s", victims, nextto);
  425. else
  426. simple_sprintf(victims, "%s %s", victims, nextto);
  427. doit = 1;
  428. m->next = nm->next;
  429. if (!nm->next)
  430. h->last = m;
  431. free(nm->msg);
  432. free(nm);
  433. h->tot--;
  434. } else
  435. m = m->next;
  436. }
  437. if (doit) {
  438. simple_sprintf(tosend, "%s %s %s", cmd, victims, msg);
  439. len = strlen(tosend);
  440. tosend[len - 1] = '\n';
  441. tputs(serv, tosend, len);
  442. m = h->head->next;
  443. free(h->head->msg);
  444. free(h->head);
  445. h->head = m;
  446. if (!h->head)
  447. h->last = 0;
  448. h->tot--;
  449. if (debug_output) {
  450. tosend[len - 1] = 0;
  451. switch (which) {
  452. case DP_MODE:
  453. putlog(LOG_SRVOUT, "*", "[m=>] %s", tosend);
  454. break;
  455. case DP_SERVER:
  456. putlog(LOG_SRVOUT, "*", "[s=>] %s", tosend);
  457. break;
  458. case DP_HELP:
  459. putlog(LOG_SRVOUT, "*", "[h=>] %s", tosend);
  460. break;
  461. }
  462. }
  463. last_time += calc_penalty(tosend);
  464. return 1;
  465. }
  466. return 0;
  467. }
  468. static void check_queues(char *oldnick, char *newnick)
  469. {
  470. if (optimize_kicks == 2) {
  471. if (modeq.head)
  472. parse_q(&modeq, oldnick, newnick);
  473. if (mq.head)
  474. parse_q(&mq, oldnick, newnick);
  475. if (hq.head)
  476. parse_q(&hq, oldnick, newnick);
  477. }
  478. }
  479. static void parse_q(struct msgq_head *q, char *oldnick, char *newnick)
  480. {
  481. struct msgq *m, *lm = NULL;
  482. char buf[511], *msg, *nicks, *nick, *chan, newnicks[511], newmsg[511];
  483. int changed;
  484. for (m = q->head; m;) {
  485. changed = 0;
  486. if (optimize_kicks == 2 && !egg_strncasecmp(m->msg, "KICK ", 5)) {
  487. newnicks[0] = 0;
  488. strncpyz(buf, m->msg, sizeof buf);
  489. if (buf[0] && (buf[strlen(buf)-1] == '\n'))
  490. buf[strlen(buf)-1] = '\0';
  491. msg = buf;
  492. newsplit(&msg);
  493. chan = newsplit(&msg);
  494. nicks = newsplit(&msg);
  495. while (strlen(nicks) > 0) {
  496. nick = splitnicks(&nicks);
  497. if (!egg_strcasecmp(nick, oldnick) &&
  498. ((9 + strlen(chan) + strlen(newnicks) + strlen(newnick) +
  499. strlen(nicks) + strlen(msg)) < 510)) {
  500. if (newnick)
  501. egg_snprintf(newnicks, sizeof newnicks, "%s,%s", newnicks, newnick);
  502. changed = 1;
  503. } else
  504. egg_snprintf(newnicks, sizeof newnicks, ",%s", nick);
  505. }
  506. egg_snprintf(newmsg, sizeof newmsg, "KICK %s %s %s\n", chan,
  507. newnicks + 1, msg);
  508. }
  509. if (changed) {
  510. if (newnicks[0] == 0) {
  511. if (!lm)
  512. q->head = m->next;
  513. else
  514. lm->next = m->next;
  515. free(m->msg);
  516. free(m);
  517. m = lm;
  518. q->tot--;
  519. if (!q->head)
  520. q->last = 0;
  521. } else {
  522. free(m->msg);
  523. m->msg = malloc(strlen(newmsg) + 1);
  524. m->len = strlen(newmsg);
  525. strcpy(m->msg, newmsg);
  526. }
  527. }
  528. lm = m;
  529. if (m)
  530. m = m->next;
  531. else
  532. m = q->head;
  533. }
  534. }
  535. static void purge_kicks(struct msgq_head *q)
  536. {
  537. struct msgq *m, *lm = NULL;
  538. char buf[511], *reason, *nicks, *nick, *chan, newnicks[511],
  539. newmsg[511], chans[511], *chns, *ch;
  540. int changed, found;
  541. struct chanset_t *cs;
  542. for (m = q->head; m;) {
  543. if (!egg_strncasecmp(m->msg, "KICK", 4)) {
  544. newnicks[0] = 0;
  545. changed = 0;
  546. strncpyz(buf, m->msg, sizeof buf);
  547. if (buf[0] && (buf[strlen(buf)-1] == '\n'))
  548. buf[strlen(buf)-1] = '\0';
  549. reason = buf;
  550. newsplit(&reason);
  551. chan = newsplit(&reason);
  552. nicks = newsplit(&reason);
  553. while (strlen(nicks) > 0) {
  554. found = 0;
  555. nick = splitnicks(&nicks);
  556. strncpyz(chans, chan, sizeof chans);
  557. chns = chans;
  558. while (strlen(chns) > 0) {
  559. ch = newsplit(&chns);
  560. cs = findchan(ch);
  561. if (!cs)
  562. continue;
  563. if (ismember(cs, nick))
  564. found = 1;
  565. }
  566. if (found)
  567. egg_snprintf(newnicks, sizeof newnicks, "%s,%s", newnicks, nick);
  568. else {
  569. putlog(LOG_SRVOUT, "*", "%s isn't on any target channel, removing "
  570. "kick...", nick);
  571. changed = 1;
  572. }
  573. }
  574. if (changed) {
  575. if (newnicks[0] == 0) {
  576. if (!lm)
  577. q->head = m->next;
  578. else
  579. lm->next = m->next;
  580. free(m->msg);
  581. free(m);
  582. m = lm;
  583. q->tot--;
  584. if (!q->head)
  585. q->last = 0;
  586. } else {
  587. free(m->msg);
  588. egg_snprintf(newmsg, sizeof newmsg, "KICK %s %s %s\n", chan,
  589. newnicks + 1, reason);
  590. m->msg = malloc(strlen(newmsg) + 1);
  591. m->len = strlen(newmsg);
  592. strcpy(m->msg, newmsg);
  593. }
  594. }
  595. }
  596. lm = m;
  597. if (m)
  598. m = m->next;
  599. else
  600. m = q->head;
  601. }
  602. }
  603. static int deq_kick(int which)
  604. {
  605. struct msgq_head *h;
  606. struct msgq *msg, *m, *lm;
  607. char buf[511], buf2[511], *reason2, *nicks, *chan, *chan2, *reason, *nick,
  608. newnicks[511], newnicks2[511], newmsg[511];
  609. int changed = 0, nr = 0;
  610. if (!optimize_kicks)
  611. return 0;
  612. newnicks[0] = 0;
  613. switch (which) {
  614. case DP_MODE:
  615. h = &modeq;
  616. break;
  617. case DP_SERVER:
  618. h = &mq;
  619. break;
  620. case DP_HELP:
  621. h = &hq;
  622. break;
  623. default:
  624. return 0;
  625. }
  626. if (egg_strncasecmp(h->head->msg, "KICK", 4))
  627. return 0;
  628. if (optimize_kicks == 2) {
  629. purge_kicks(h);
  630. if (!h->head)
  631. return 1;
  632. }
  633. if (egg_strncasecmp(h->head->msg, "KICK", 4))
  634. return 0;
  635. msg = h->head;
  636. strncpyz(buf, msg->msg, sizeof buf);
  637. reason = buf;
  638. newsplit(&reason);
  639. chan = newsplit(&reason);
  640. nicks = newsplit(&reason);
  641. while (strlen(nicks) > 0) {
  642. egg_snprintf(newnicks, sizeof newnicks, "%s,%s", newnicks,
  643. newsplit(&nicks));
  644. nr++;
  645. }
  646. for (m = msg->next, lm = NULL; m && (nr < kick_method);) {
  647. if (!egg_strncasecmp(m->msg, "KICK", 4)) {
  648. changed = 0;
  649. newnicks2[0] = 0;
  650. strncpyz(buf2, m->msg, sizeof buf2);
  651. if (buf2[0] && (buf2[strlen(buf2)-1] == '\n'))
  652. buf2[strlen(buf2)-1] = '\0';
  653. reason2 = buf2;
  654. newsplit(&reason2);
  655. chan2 = newsplit(&reason2);
  656. nicks = newsplit(&reason2);
  657. if (!egg_strcasecmp(chan, chan2) && !egg_strcasecmp(reason, reason2)) {
  658. while (strlen(nicks) > 0) {
  659. nick = splitnicks(&nicks);
  660. if ((nr < kick_method) &&
  661. ((9 + strlen(chan) + strlen(newnicks) + strlen(nick) +
  662. strlen(reason)) < 510)) {
  663. egg_snprintf(newnicks, sizeof newnicks, "%s,%s", newnicks, nick);
  664. nr++;
  665. changed = 1;
  666. } else
  667. egg_snprintf(newnicks2, sizeof newnicks2, "%s,%s", newnicks2, nick);
  668. }
  669. }
  670. if (changed) {
  671. if (newnicks2[0] == 0) {
  672. if (!lm)
  673. h->head->next = m->next;
  674. else
  675. lm->next = m->next;
  676. free(m->msg);
  677. free(m);
  678. m = lm;
  679. h->tot--;
  680. if (!h->head)
  681. h->last = 0;
  682. } else {
  683. free(m->msg);
  684. egg_snprintf(newmsg, sizeof newmsg, "KICK %s %s %s\n", chan2,
  685. newnicks2 + 1, reason);
  686. m->msg = malloc(strlen(newmsg) + 1);
  687. m->len = strlen(newmsg);
  688. strcpy(m->msg, newmsg);
  689. }
  690. }
  691. }
  692. lm = m;
  693. if (m)
  694. m = m->next;
  695. else
  696. m = h->head->next;
  697. }
  698. egg_snprintf(newmsg, sizeof newmsg, "KICK %s %s %s\n", chan, newnicks + 1,
  699. reason);
  700. tputs(serv, newmsg, strlen(newmsg));
  701. if (debug_output) {
  702. newmsg[strlen(newmsg) - 1] = 0;
  703. switch (which) {
  704. case DP_MODE:
  705. putlog(LOG_SRVOUT, "@", "[m->] %s", newmsg);
  706. break;
  707. case DP_SERVER:
  708. putlog(LOG_SRVOUT, "@", "[s->] %s", newmsg);
  709. break;
  710. case DP_HELP:
  711. putlog(LOG_SRVOUT, "@", "[h->] %s", newmsg);
  712. break;
  713. }
  714. debug3("Changed: %d, kick-method: %d, nr: %d", changed, kick_method, nr);
  715. }
  716. h->tot--;
  717. last_time += calc_penalty(newmsg);
  718. m = h->head->next;
  719. free(h->head->msg);
  720. free(h->head);
  721. h->head = m;
  722. if (!h->head)
  723. h->last = 0;
  724. return 1;
  725. }
  726. /* Clean out the msg queues (like when changing servers).
  727. */
  728. static void empty_msgq()
  729. {
  730. msgq_clear(&modeq);
  731. msgq_clear(&mq);
  732. msgq_clear(&hq);
  733. burst = 0;
  734. }
  735. /* Use when sending msgs... will spread them out so there's no flooding.
  736. */
  737. static void queue_server(int which, char *buf, int len)
  738. {
  739. struct msgq_head *h = NULL,
  740. tempq;
  741. struct msgq *q, *tq, *tqq;
  742. int doublemsg = 0,
  743. qnext = 0;
  744. /* Don't even BOTHER if there's no server online. */
  745. if (serv < 0)
  746. return;
  747. /* No queue for PING and PONG - drummer */
  748. if (!egg_strncasecmp(buf, "PING", 4) || !egg_strncasecmp(buf, "PONG", 4)) {
  749. if (buf[1] == 'I' || buf[1] == 'i')
  750. lastpingtime = now; /* lagmeter */
  751. tputs(serv, buf, len);
  752. if (debug_output) {
  753. if (buf[len - 1] == '\n')
  754. buf[len - 1] = 0;
  755. putlog(LOG_SRVOUT, "@", "[m->] %s", buf);
  756. }
  757. return;
  758. }
  759. switch (which) {
  760. case DP_MODE_NEXT:
  761. qnext = 1;
  762. /* Fallthrough */
  763. case DP_MODE:
  764. h = &modeq;
  765. tempq = modeq;
  766. if (double_mode)
  767. doublemsg = 1;
  768. break;
  769. case DP_SERVER_NEXT:
  770. qnext = 1;
  771. /* Fallthrough */
  772. case DP_SERVER:
  773. h = &mq;
  774. tempq = mq;
  775. if (double_server)
  776. doublemsg = 1;
  777. break;
  778. case DP_HELP_NEXT:
  779. qnext = 1;
  780. /* Fallthrough */
  781. case DP_HELP:
  782. h = &hq;
  783. tempq = hq;
  784. if (double_help)
  785. doublemsg = 1;
  786. break;
  787. default:
  788. putlog(LOG_MISC, "*", "!!! queuing unknown type to server!!");
  789. return;
  790. }
  791. if (h->tot < maxqmsg) {
  792. /* Don't queue msg if it's already queued? */
  793. if (!doublemsg)
  794. for (tq = tempq.head; tq; tq = tqq) {
  795. tqq = tq->next;
  796. if (!egg_strcasecmp(tq->msg, buf)) {
  797. if (!double_warned) {
  798. if (buf[len - 1] == '\n')
  799. buf[len - 1] = 0;
  800. debug1("msg already queued. skipping: %s", buf);
  801. double_warned = 1;
  802. }
  803. return;
  804. }
  805. }
  806. q = malloc(sizeof(struct msgq));
  807. if (qnext)
  808. q->next = h->head;
  809. else
  810. q->next = NULL;
  811. if (h->head) {
  812. if (!qnext)
  813. h->last->next = q;
  814. } else
  815. h->head = q;
  816. if (qnext)
  817. h->head = q;
  818. h->last = q;
  819. q->len = len;
  820. q->msg = malloc(len + 1);
  821. strncpyz(q->msg, buf, len + 1);
  822. h->tot++;
  823. h->warned = 0;
  824. double_warned = 0;
  825. } else {
  826. if (!h->warned) {
  827. switch (which) {
  828. case DP_MODE_NEXT:
  829. /* Fallthrough */
  830. case DP_MODE:
  831. putlog(LOG_MISC, "*", "!!! OVER MAXIMUM MODE QUEUE");
  832. break;
  833. case DP_SERVER_NEXT:
  834. /* Fallthrough */
  835. case DP_SERVER:
  836. putlog(LOG_MISC, "*", "!!! OVER MAXIMUM SERVER QUEUE");
  837. break;
  838. case DP_HELP_NEXT:
  839. /* Fallthrough */
  840. case DP_HELP:
  841. putlog(LOG_MISC, "*", "!!! OVER MAXIMUM HELP QUEUE");
  842. break;
  843. }
  844. }
  845. h->warned = 1;
  846. }
  847. if (debug_output && !h->warned) {
  848. if (buf[len - 1] == '\n')
  849. buf[len - 1] = 0;
  850. switch (which) {
  851. case DP_MODE:
  852. putlog(LOG_SRVOUT, "@", "[!m] %s", buf);
  853. break;
  854. case DP_SERVER:
  855. putlog(LOG_SRVOUT, "@", "[!s] %s", buf);
  856. break;
  857. case DP_HELP:
  858. putlog(LOG_SRVOUT, "@", "[!h] %s", buf);
  859. break;
  860. case DP_MODE_NEXT:
  861. putlog(LOG_SRVOUT, "@", "[!!m] %s", buf);
  862. break;
  863. case DP_SERVER_NEXT:
  864. putlog(LOG_SRVOUT, "@", "[!!s] %s", buf);
  865. break;
  866. case DP_HELP_NEXT:
  867. putlog(LOG_SRVOUT, "@", "[!!h] %s", buf);
  868. break;
  869. }
  870. }
  871. if (which == DP_MODE || which == DP_MODE_NEXT)
  872. deq_msg(); /* DP_MODE needs to be sent ASAP, flush if
  873. possible. */
  874. }
  875. /* Add a new server to the server_list.
  876. */
  877. static void add_server(char *ss)
  878. {
  879. struct server_list *x, *z;
  880. #ifdef USE_IPV6
  881. char *p, *q, *r;
  882. #else
  883. char *p, *q;
  884. #endif /* USE_IPV6 */
  885. for (z = serverlist; z && z->next; z = z->next);
  886. while (ss) {
  887. p = strchr(ss, ',');
  888. if (p)
  889. *p++ = 0;
  890. x = malloc(sizeof(struct server_list));
  891. x->next = 0;
  892. x->realname = 0;
  893. x->port = 0;
  894. if (z)
  895. z->next = x;
  896. else
  897. serverlist = x;
  898. z = x;
  899. q = strchr(ss, ':');
  900. if (!q) {
  901. x->port = default_port;
  902. x->pass = 0;
  903. x->name = malloc(strlen(ss) + 1);
  904. strcpy(x->name, ss);
  905. } else {
  906. #ifdef USE_IPV6
  907. if (ss[0] == '[') {
  908. *ss++;
  909. q = strchr(ss, ']');
  910. *q++ = 0; /* intentional */
  911. r = strchr(q, ':');
  912. if (!r)
  913. x->port = default_port;
  914. }
  915. #endif /* USE_IPV6 */
  916. *q++ = 0;
  917. x->name = malloc(q - ss);
  918. strcpy(x->name, ss);
  919. ss = q;
  920. q = strchr(ss, ':');
  921. if (!q) {
  922. x->pass = 0;
  923. } else {
  924. *q++ = 0;
  925. x->pass = malloc(strlen(q) + 1);
  926. strcpy(x->pass, q);
  927. }
  928. #ifdef USE_IPV6
  929. if (!x->port) {
  930. x->port = atoi(ss);
  931. }
  932. #else
  933. x->port = atoi(ss);
  934. #endif /* USE_IPV6 */
  935. }
  936. ss = p;
  937. }
  938. }
  939. /* Clear out the given server_list.
  940. */
  941. static void clearq(struct server_list *xx)
  942. {
  943. struct server_list *x;
  944. while (xx) {
  945. x = xx->next;
  946. if (xx->name)
  947. free(xx->name);
  948. if (xx->pass)
  949. free(xx->pass);
  950. if (xx->realname)
  951. free(xx->realname);
  952. free(xx);
  953. xx = x;
  954. }
  955. }
  956. void servers_describe(struct cfg_entry * entry, int idx) {
  957. }
  958. void servers6_describe(struct cfg_entry * entry, int idx) {
  959. }
  960. void servers_changed(struct cfg_entry * entry, char * olddata, int * valid) {
  961. #ifdef LEAF
  962. char *slist, *p;
  963. if (hostname6[0] || myip6[0]) //we want to use the servers6 entry.
  964. return;
  965. slist = (char *) (entry->ldata ? entry->ldata : (entry->gdata ? entry->gdata : ""));
  966. if (serverlist) {
  967. clearq(serverlist);
  968. serverlist = NULL;
  969. }
  970. p = malloc(strlen(slist) + 1);
  971. #ifdef S_RANDSERVERS
  972. shuffle(slist, ",");
  973. #endif /* S_RANDSERVERS */
  974. strcpy(p, slist);
  975. add_server(p);
  976. free(p);
  977. #endif /* LEAF */
  978. }
  979. void servers6_changed(struct cfg_entry * entry, char * olddata, int * valid) {
  980. #ifdef LEAF
  981. char *slist, *p;
  982. if (!hostname6[0] && !myip6[0]) //we probably want to use the normal server list..
  983. return;
  984. slist = (char *) (entry->ldata ? entry->ldata : (entry->gdata ? entry->gdata : ""));
  985. if (serverlist) {
  986. clearq(serverlist);
  987. serverlist = NULL;
  988. }
  989. p = malloc(strlen(slist) + 1);
  990. #ifdef S_RANDSERVERS
  991. shuffle(slist, ",");
  992. #endif /* S_RANDSERVERS */
  993. strcpy(p, slist);
  994. add_server(p);
  995. free(p);
  996. #endif /* LEAF */
  997. }
  998. void nick_describe(struct cfg_entry * entry, int idx) {
  999. }
  1000. void nick_changed(struct cfg_entry * entry, char * olddata, int * valid) {
  1001. #ifdef LEAF
  1002. char * p;
  1003. if (entry->ldata)
  1004. p = entry->ldata;
  1005. else if (entry->gdata)
  1006. p = entry->gdata;
  1007. else
  1008. p = NULL;
  1009. if (p && p[0])
  1010. strncpyz(origbotname, p, NICKLEN + 1);
  1011. else
  1012. strncpyz(origbotname, botnetnick, NICKLEN + 1);
  1013. if (server_online)
  1014. dprintf(DP_SERVER, "NICK %s\n", origbotname);
  1015. #endif /* LEAF */
  1016. }
  1017. void realname_describe(struct cfg_entry * entry, int idx) {
  1018. }
  1019. void realname_changed(struct cfg_entry * entry, char * olddata, int * valid) {
  1020. #ifdef LEAF
  1021. if (entry->ldata) {
  1022. strncpyz(botrealname, (char *) entry->ldata, 121);
  1023. } else if (entry->gdata) {
  1024. strncpyz(botrealname, (char *) entry->gdata, 121);
  1025. }
  1026. #endif /* LEAF */
  1027. }
  1028. struct cfg_entry CFG_SERVERS = {
  1029. "servers", CFGF_LOCAL | CFGF_GLOBAL, NULL, NULL,
  1030. servers_changed, servers_changed, servers_describe
  1031. };
  1032. struct cfg_entry CFG_SERVERS6 = {
  1033. "servers6", CFGF_LOCAL | CFGF_GLOBAL, NULL, NULL,
  1034. servers6_changed, servers6_changed, servers6_describe
  1035. };
  1036. struct cfg_entry CFG_NICK = {
  1037. "nick", CFGF_LOCAL | CFGF_GLOBAL, NULL, NULL,
  1038. nick_changed, nick_changed, nick_describe
  1039. };
  1040. struct cfg_entry CFG_REALNAME = {
  1041. "realname", CFGF_LOCAL | CFGF_GLOBAL, NULL, NULL,
  1042. realname_changed, realname_changed, realname_describe
  1043. };
  1044. /* Set botserver to the next available server.
  1045. *
  1046. * -> if (*ptr == -1) then jump to that particular server
  1047. */
  1048. static void next_server(int *ptr, char *serv, unsigned int *port, char *pass)
  1049. {
  1050. struct server_list *x = serverlist;
  1051. int i = 0;
  1052. if (x == NULL)
  1053. return;
  1054. /* -1 --> Go to specified server */
  1055. if (*ptr == (-1)) {
  1056. for (; x; x = x->next) {
  1057. if (x->port == *port) {
  1058. if (!egg_strcasecmp(x->name, serv)) {
  1059. *ptr = i;
  1060. return;
  1061. } else if (x->realname && !egg_strcasecmp(x->realname, serv)) {
  1062. *ptr = i;
  1063. strncpyz(serv, x->realname, sizeof serv);
  1064. return;
  1065. }
  1066. }
  1067. i++;
  1068. }
  1069. /* Gotta add it: */
  1070. x = malloc(sizeof(struct server_list));
  1071. x->next = 0;
  1072. x->realname = 0;
  1073. x->name = malloc(strlen(serv) + 1);
  1074. strcpy(x->name, serv);
  1075. x->port = *port ? *port : default_port;
  1076. if (pass && pass[0]) {
  1077. x->pass = malloc(strlen(pass) + 1);
  1078. strcpy(x->pass, pass);
  1079. } else
  1080. x->pass = NULL;
  1081. list_append((struct list_type **) (&serverlist), (struct list_type *) x);
  1082. *ptr = i;
  1083. return;
  1084. }
  1085. /* Find where i am and boogie */
  1086. i = (*ptr);
  1087. while (i > 0 && x != NULL) {
  1088. x = x->next;
  1089. i--;
  1090. }
  1091. if (x != NULL) {
  1092. x = x->next;
  1093. (*ptr)++;
  1094. } /* Go to next server */
  1095. if (x == NULL) {
  1096. x = serverlist;
  1097. *ptr = 0;
  1098. } /* Start over at the beginning */
  1099. strcpy(serv, x->name);
  1100. *port = x->port ? x->port : default_port;
  1101. if (x->pass)
  1102. strcpy(pass, x->pass);
  1103. else
  1104. pass[0] = 0;
  1105. }
  1106. static void do_nettype(void)
  1107. {
  1108. switch (net_type) {
  1109. case NETT_EFNET:
  1110. check_mode_r = 0;
  1111. nick_len = 9;
  1112. break;
  1113. case NETT_IRCNET:
  1114. check_mode_r = 1;
  1115. use_penalties = 1;
  1116. use_fastdeq = 3;
  1117. nick_len = 9;
  1118. simple_sprintf(stackablecmds, "INVITE AWAY VERSION NICK");
  1119. kick_method = 4;
  1120. break;
  1121. case NETT_UNDERNET:
  1122. check_mode_r = 0;
  1123. use_fastdeq = 2;
  1124. nick_len = 9;
  1125. simple_sprintf(stackablecmds, "PRIVMSG NOTICE TOPIC PART WHOIS USERHOST USERIP ISON");
  1126. simple_sprintf(stackable2cmds, "USERHOST USERIP ISON");
  1127. break;
  1128. case NETT_DALNET:
  1129. check_mode_r = 0;
  1130. use_fastdeq = 2;
  1131. nick_len = 32;
  1132. simple_sprintf(stackablecmds, "PRIVMSG NOTICE PART WHOIS WHOWAS USERHOST ISON WATCH DCCALLOW");
  1133. simple_sprintf(stackable2cmds, "USERHOST ISON WATCH");
  1134. break;
  1135. case NETT_HYBRID_EFNET:
  1136. check_mode_r = 0;
  1137. nick_len = 9;
  1138. break;
  1139. }
  1140. }
  1141. static tcl_ints my_tcl_ints[] =
  1142. {
  1143. {"use-console-r", NULL, 1},
  1144. {"server-timeout", &server_timeout, 0},
  1145. {"lowercase-ctcp", &lowercase_ctcp, 0},
  1146. {"server-online", (int *) &server_online, 2},
  1147. {"never-give-up", &never_give_up, 0},
  1148. {"keep-nick", &keepnick, 0},
  1149. {"strict-servernames", &strict_servernames, 0},
  1150. {"check-stoned", &check_stoned, 0},
  1151. {"serverror-quit", &serverror_quit, 0},
  1152. {"quiet-reject", &quiet_reject, 0},
  1153. {"max-queue-msg", &maxqmsg, 0},
  1154. {"trigger-on-ignore", &trigger_on_ignore, 0},
  1155. {"answer-ctcp", &answer_ctcp, 0},
  1156. {"server-cycle-wait", (int *) &server_cycle_wait, 0},
  1157. {"default-port", &default_port, 0},
  1158. {"check-mode-r", &check_mode_r, 0},
  1159. {"net-type", &net_type, 0},
  1160. {"ctcp-mode", &ctcp_mode, 0},
  1161. {"double-mode", &double_mode, 0},/* G`Quann */
  1162. {"double-server", &double_server, 0},
  1163. {"double-help", &double_help, 0},
  1164. {"use-penalties", &use_penalties, 0},
  1165. {"use-fastdeq", &use_fastdeq, 0},
  1166. {"nicklen", &nick_len, 0},
  1167. {"nick-len", &nick_len, 0},
  1168. {"optimize-kicks", &optimize_kicks, 0},
  1169. {"isjuped", &nick_juped, 0},
  1170. {"stack-limit", &stack_limit, 0},
  1171. {NULL, NULL, 0}
  1172. };
  1173. /*
  1174. * CTCP DCC CHAT functions
  1175. */
  1176. static void dcc_chat_hostresolved(int);
  1177. /* This only handles CHAT requests, otherwise it's handled in filesys.
  1178. */
  1179. static int ctcp_DCC_CHAT(char *nick, char *from, struct userrec *u, char *object, char *keyword, char *text)
  1180. {
  1181. char *action, *param, *ip, *prt;
  1182. int i, ok;
  1183. struct flag_record fr = {FR_GLOBAL | FR_CHAN | FR_ANYWH, 0, 0, 0, 0, 0};
  1184. if (!ischanhub())
  1185. return 0;
  1186. action = newsplit(&text);
  1187. param = newsplit(&text);
  1188. ip = newsplit(&text);
  1189. prt = newsplit(&text);
  1190. if (egg_strcasecmp(action, "CHAT") || egg_strcasecmp(object, botname) || !u)
  1191. return 0;
  1192. get_user_flagrec(u, &fr, 0);
  1193. ok = 1;
  1194. if (ischanhub() && !glob_chuba(fr))
  1195. ok = 0;
  1196. if (dcc_total == max_dcc) {
  1197. if (!quiet_reject)
  1198. dprintf(DP_HELP, "NOTICE %s :%s\n", nick, DCC_TOOMANYDCCS1);
  1199. putlog(LOG_MISC, "*", DCC_TOOMANYDCCS2, "CHAT", param, nick, from);
  1200. } else if (!ok) {
  1201. if (!quiet_reject)
  1202. dprintf(DP_HELP, "NOTICE %s :%s\n", nick, DCC_REFUSED2);
  1203. putlog(LOG_MISC, "*", "%s: %s!%s", ischanhub() ? DCC_REFUSED : DCC_REFUSEDNC, nick, from);
  1204. } else if (u_pass_match(u, "-")) {
  1205. if (!quiet_reject)
  1206. dprintf(DP_HELP, "NOTICE %s :%s\n", nick, DCC_REFUSED3);
  1207. putlog(LOG_MISC, "*", "%s: %s!%s", DCC_REFUSED4, nick, from);
  1208. } else if (atoi(prt) < 1024 || atoi(prt) > 65535) {
  1209. /* Invalid port */
  1210. if (!quiet_reject)
  1211. dprintf(DP_HELP, "NOTICE %s :%s (invalid port)\n", nick,
  1212. DCC_CONNECTFAILED1);
  1213. putlog(LOG_MISC, "*", "%s: CHAT (%s!%s)", DCC_CONNECTFAILED3,
  1214. nick, from);
  1215. } else {
  1216. if (!sanitycheck_dcc(nick, from, ip, prt))
  1217. return 1;
  1218. i = new_dcc(&DCC_DNSWAIT, sizeof(struct dns_info));
  1219. if (i < 0) {
  1220. putlog(LOG_MISC, "*", "DCC connection: CHAT (%s!%s)", dcc[i].nick, ip);
  1221. return 1;
  1222. }
  1223. #ifdef USE_IPV6
  1224. if (hostprotocol(ip) == AF_INET6 && sockprotocol(dcc[i].sock) == AF_INET6) {
  1225. debug1("ipv6 addr: %s",ip);
  1226. strcpy(dcc[i].addr6,ip);
  1227. debug1("ipv6 addr: %s",dcc[i].addr6);
  1228. } else
  1229. #endif /* USE_IPV6 */
  1230. dcc[i].addr = my_atoul(ip);
  1231. dcc[i].port = atoi(prt);
  1232. dcc[i].sock = -1;
  1233. strcpy(dcc[i].nick, u->handle);
  1234. strcpy(dcc[i].host, from);
  1235. dcc[i].timeval = now;
  1236. dcc[i].user = u;
  1237. #ifdef USE_IPV6
  1238. if (sockprotocol(dcc[i].sock) != AF_INET6) {
  1239. #endif /* USE_IPV6 */
  1240. /* remove me? */
  1241. dcc[i].addr = my_atoul(ip);
  1242. dcc[i].u.dns->ip = dcc[i].addr;
  1243. dcc[i].u.dns->dns_type = RES_HOSTBYIP;
  1244. dcc[i].u.dns->dns_success = dcc_chat_hostresolved;
  1245. dcc[i].u.dns->dns_failure = dcc_chat_hostresolved;
  1246. dcc[i].u.dns->type = &DCC_CHAT_PASS;
  1247. dcc_dnshostbyip(dcc[i].addr);
  1248. #ifdef USE_IPV6
  1249. } else
  1250. dcc_chat_hostresolved(i); /* Don't try to look it up */
  1251. #endif /* USE_IPV6 */
  1252. }
  1253. return 1;
  1254. }
  1255. static void dcc_chat_hostresolved(int i)
  1256. {
  1257. char buf[512], ip[512];
  1258. int ok;
  1259. struct flag_record fr = {FR_GLOBAL | FR_CHAN | FR_ANYWH, 0, 0, 0, 0, 0};
  1260. egg_snprintf(buf, sizeof buf, "%d", dcc[i].port);
  1261. #ifndef USE_IPV6
  1262. if (!hostsanitycheck_dcc(dcc[i].nick, dcc[i].host, dcc[i].addr,
  1263. dcc[i].u.dns->host, buf)) {
  1264. lostdcc(i);
  1265. return;
  1266. }
  1267. #else
  1268. if (sockprotocol(dcc[i].sock) == AF_INET6) {
  1269. strcpy(ip,dcc[i].addr6); /* safe, addr6 is 121 */
  1270. debug0("afinet6, af_type, strcpy");
  1271. } else
  1272. #endif /* !USE_IPV6 */
  1273. egg_snprintf(ip, sizeof ip, "%lu", iptolong(htonl(dcc[i].addr)));
  1274. #ifdef USE_IPV6
  1275. if (sockprotocol(dcc[i].sock) == AF_INET6) {
  1276. # ifdef IPV6_DEBUG
  1277. debug2("af_inet6 %s / %s", dcc[i].addr6, ip);
  1278. # endif /* IPV6_DEBUG */
  1279. dcc[i].sock = getsock(0, AF_INET6);
  1280. } else {
  1281. # ifdef IPV6_DEBUG
  1282. debug0("af_inet");
  1283. # endif /* IPV6_DEBUG */
  1284. dcc[i].sock = getsock(0, AF_INET);
  1285. }
  1286. #else
  1287. dcc[i].sock = getsock(0);
  1288. # ifdef IPV6_DEBUG
  1289. debug2("sock: %d %s", dcc[i].sock, ip);
  1290. # endif /* IPV6_DEBUG */
  1291. #endif /* USE_IPV6 */
  1292. if (dcc[i].sock < 0 || open_telnet_dcc(dcc[i].sock, ip, buf) < 0) {
  1293. neterror(buf);
  1294. if (!quiet_reject)
  1295. dprintf(DP_HELP, "NOTICE %s :%s (%s)\n", dcc[i].nick,
  1296. DCC_CONNECTFAILED1, buf);
  1297. putlog(LOG_MISC, "*", "%s: CHAT (%s!%s)", DCC_CONNECTFAILED2,
  1298. dcc[i].nick, dcc[i].host);
  1299. putlog(LOG_MISC, "*", " (%s)", buf);
  1300. killsock(dcc[i].sock);
  1301. lostdcc(i);
  1302. } else {
  1303. #ifdef HAVE_SSL
  1304. ssl_link(dcc[i].sock, CONNECT_SSL);
  1305. #endif /* HAVE_SSL */
  1306. changeover_dcc(i, &DCC_CHAT_PASS, sizeof(struct chat_info));
  1307. dcc[i].status = STAT_ECHO;
  1308. get_user_flagrec(dcc[i].user, &fr, 0);
  1309. ok = 1;
  1310. if (ischanhub() && !glob_chuba(fr))
  1311. ok = 0;
  1312. if (ok)
  1313. dcc[i].status |= STAT_PARTY;
  1314. strcpy(dcc[i].u.chat->con_chan, (chanset) ? chanset->dname : "*");
  1315. dcc[i].timeval = now;
  1316. /* Ok, we're satisfied with them now: attempt the connect */
  1317. putlog(LOG_MISC, "*", "DCC connection: CHAT (%s!%s)", dcc[i].nick,
  1318. dcc[i].host);
  1319. dprintf(i, "%s", rand_dccresp());
  1320. }
  1321. return;
  1322. }
  1323. /*
  1324. * Server timer functions
  1325. */
  1326. static void server_secondly()
  1327. {
  1328. if (cycle_time)
  1329. cycle_time--;
  1330. deq_msg();
  1331. if (!resolvserv && serv < 0)
  1332. connect_server();
  1333. }
  1334. static void server_5minutely()
  1335. {
  1336. if (check_stoned && server_online) {
  1337. if (waiting_for_awake) {
  1338. /* Uh oh! Never got pong from last time, five minutes ago!
  1339. * Server is probably stoned.
  1340. */
  1341. int servidx = findanyidx(serv);
  1342. disconnect_server(servidx);
  1343. lostdcc(servidx);
  1344. putlog(LOG_SERV, "*", IRC_SERVERSTONED);
  1345. } else if (!trying_server) {
  1346. /* Check for server being stoned. */
  1347. dprintf(DP_MODE, "PING :%lu\n", (unsigned long) now);
  1348. waiting_for_awake = 1;
  1349. }
  1350. }
  1351. }
  1352. static void server_prerehash()
  1353. {
  1354. strcpy(oldnick, botname);
  1355. }
  1356. static void server_postrehash()
  1357. {
  1358. strncpyz(botname, origbotname, NICKLEN);
  1359. if (oldnick[0] && !rfc_casecmp(oldnick, botname)) {
  1360. /* Change botname back, don't be premature. */
  1361. strcpy(botname, oldnick);
  1362. dprintf(DP_SERVER, "NICK %s\n", origbotname);
  1363. }
  1364. /* Change botname back incase we were using altnick previous to rehash. */
  1365. else if (oldnick[0])
  1366. strcpy(botname, oldnick);
  1367. }
  1368. static void server_die()
  1369. {
  1370. cycle_time = 100;
  1371. if (server_online) {
  1372. dprintf(-serv, "QUIT :%s\n", quit_msg[0] ? quit_msg : "");
  1373. sleep(3); /* Give the server time to understand */
  1374. }
  1375. nuke_server(NULL);
  1376. }
  1377. /* A report on the module status.
  1378. */
  1379. static void server_report(int idx, int details)
  1380. {
  1381. char s1[64], s[128];
  1382. int servidx;
  1383. if (server_online) {
  1384. dprintf(idx, " Online as: %s%s%s (%s)\n", botname,
  1385. botuserhost[0] ? "!" : "", botuserhost[0] ? botuserhost : "",
  1386. botrealname);
  1387. if (nick_juped)
  1388. dprintf(idx, " NICK IS JUPED: %s %s\n", origbotname,
  1389. keepnick ? "(trying)" : "");
  1390. nick_juped = 0; /* WHY?? -- drummer */
  1391. daysdur(now, server_online, s1);
  1392. egg_snprintf(s, sizeof s, "(connected %s)", s1);
  1393. if (server_lag && !waiting_for_awake) {
  1394. if (server_lag == (-1))
  1395. egg_snprintf(s1, sizeof s1, " (bad pong replies)");
  1396. else
  1397. egg_snprintf(s1, sizeof s1, " (lag: %ds)", server_lag);
  1398. strcat(s, s1);
  1399. }
  1400. }
  1401. if ((trying_server || server_online) &&
  1402. ((servidx = findanyidx(serv)) != (-1))) {
  1403. dprintf(idx, " Server %s:%d %s\n", dcc[servidx].host, dcc[servidx].port,
  1404. trying_server ? "(trying)" : s);
  1405. } else
  1406. dprintf(idx, " %s\n", IRC_NOSERVER);
  1407. if (modeq.tot)
  1408. dprintf(idx, " %s %d%%, %d msgs\n", IRC_MODEQUEUE,
  1409. (int) ((float) (modeq.tot * 100.0) / (float) maxqmsg),
  1410. (int) modeq.tot);
  1411. if (mq.tot)
  1412. dprintf(idx, " %s %d%%, %d msgs\n", IRC_SERVERQUEUE,
  1413. (int) ((float) (mq.tot * 100.0) / (float) maxqmsg), (int) mq.tot);
  1414. if (hq.tot)
  1415. dprintf(idx, " %s %d%%, %d msgs\n", IRC_HELPQUEUE,
  1416. (int) ((float) (hq.tot * 100.0) / (float) maxqmsg), (int) hq.tot);
  1417. if (details) {
  1418. dprintf(idx, " Flood is: %d msg/%ds, %d ctcp/%ds\n",
  1419. flud_thr, flud_time, flud_ctcp_thr, flud_ctcp_time);
  1420. }
  1421. }
  1422. static void msgq_clear(struct msgq_head *qh)
  1423. {
  1424. register struct msgq *q, *qq;
  1425. for (q = qh->head; q; q = qq) {
  1426. qq = q->next;
  1427. free(q->msg);
  1428. free(q);
  1429. }
  1430. qh->head = qh->last = NULL;
  1431. qh->tot = qh->warned = 0;
  1432. }
  1433. static cmd_t my_ctcps[] =
  1434. {
  1435. {"DCC", "", ctcp_DCC_CHAT, "server:DCC"},
  1436. {NULL, NULL, NULL, NULL}
  1437. };
  1438. EXPORT_SCOPE char *server_start();
  1439. static Function server_table[] =
  1440. {
  1441. (Function) server_start,
  1442. (Function) NULL,
  1443. (Function) 0,
  1444. (Function) server_report,
  1445. /* 4 - 7 */
  1446. (Function) NULL, /* char * (points to botname later on) */
  1447. (Function) botuserhost, /* char * */
  1448. (Function) & quiet_reject, /* int */
  1449. (Function) & serv, /* int */
  1450. /* 8 - 11 */
  1451. (Function) & flud_thr, /* int */
  1452. (Function) & flud_time, /* int */
  1453. (Function) & flud_ctcp_thr, /* int */
  1454. (Function) & flud_ctcp_time, /* int */
  1455. /* 12 - 15 */
  1456. (Function) match_my_nick,
  1457. (Function) 0,
  1458. (Function) NULL, /* fixfrom - moved to the core (drummer) */
  1459. (Function) & answer_ctcp, /* int */
  1460. /* 16 - 19 */
  1461. (Function) & trigger_on_ignore, /* int */
  1462. (Function) check_ctcpr,
  1463. (Function) detect_avalanche,
  1464. (Function) nuke_server,
  1465. /* 20 - 23 */
  1466. (Function) newserver, /* char * */
  1467. (Function) & newserverport, /* int */
  1468. (Function) newserverpass, /* char * */
  1469. (Function) & cycle_time, /* int */
  1470. /* 24 - 27 */
  1471. (Function) & default_port, /* int */
  1472. (Function) & server_online, /* int */
  1473. (Function) 0,
  1474. (Function) 0,
  1475. /* 28 - 31 */
  1476. (Function) 0,
  1477. (Function) 0,
  1478. (Function) 0,
  1479. (Function) 0,
  1480. /* 32 - 35 */
  1481. (Function) 0,
  1482. (Function) 0,
  1483. (Function) 0,
  1484. (Function) ctcp_reply,
  1485. /* 36 - 38 */
  1486. (Function) 0,
  1487. (Function) & nick_len, /* int */
  1488. (Function) 0,
  1489. (Function) & checked_hostmask,
  1490. (Function) & curserv,
  1491. (Function) cursrvname,
  1492. (Function) botrealname,
  1493. };
  1494. char *server_start(Function *global_funcs)
  1495. {
  1496. global = global_funcs;
  1497. /*
  1498. * Init of all the variables *must* be done in _start rather than
  1499. * globally.
  1500. */
  1501. serv = -1;
  1502. strict_host = 1;
  1503. botname[0] = 0;
  1504. trying_server = 0L;
  1505. server_lag = 0;
  1506. curserv = 0;
  1507. flud_thr = 5;
  1508. flud_time = 60;
  1509. flud_ctcp_thr = 3;
  1510. flud_ctcp_time = 60;
  1511. botuserhost[0] = 0;
  1512. keepnick = 1;
  1513. check_stoned = 1;
  1514. serverror_quit = 1;
  1515. quiet_reject = 1;
  1516. waiting_for_awake = 0;
  1517. server_online = 0;
  1518. server_cycle_wait = 15;
  1519. strcpy(botrealname, "A deranged product of evil coders");
  1520. server_timeout = 15;
  1521. never_give_up = 1;
  1522. strict_servernames = 1;
  1523. serverlist = NULL;
  1524. cycle_time = 0;
  1525. default_port = 6667;
  1526. oldnick[0] = 0;
  1527. trigger_on_ignore = 0;
  1528. answer_ctcp = 1;
  1529. lowercase_ctcp = 0;
  1530. check_mode_r = 0;
  1531. maxqmsg = 300;
  1532. burst = 0;
  1533. net_type = NETT_EFNET;
  1534. double_mode = 0;
  1535. double_server = 0;
  1536. double_help = 0;
  1537. use_penalties = 0;
  1538. use_fastdeq = 0;
  1539. stackablecmds[0] = 0;
  1540. strcpy(stackable2cmds, "USERHOST ISON");
  1541. resolvserv = 0;
  1542. lastpingtime = 0;
  1543. last_time = 0;
  1544. nick_len = 9;
  1545. kick_method = 1;
  1546. optimize_kicks = 0;
  1547. stack_limit = 4;
  1548. server_table[4] = (Function) botname;
  1549. module_register(MODULE_NAME, server_table, 1, 2);
  1550. #ifdef S_AUTH
  1551. BT_msgc = bind_table_add("msgc", 5, "ssUss", 0, BIND_USE_ATTR);
  1552. #endif /* S_AUTH */
  1553. BT_msg = bind_table_add("msg", 4, "ssUs", 0, BIND_USE_ATTR);
  1554. BT_raw = bind_table_add("raw", 3, "ss", MATCH_MASK, BIND_STACKABLE);
  1555. BT_ctcr = bind_table_add("ctcr", 6, "ssUsss", MATCH_MASK, BIND_USE_ATTR | BIND_STACKABLE);
  1556. BT_ctcp = bind_table_add("ctcp", 6, "ssUsss", MATCH_MASK, BIND_USE_ATTR | BIND_STACKABLE);
  1557. add_builtins("raw", my_raw_binds);
  1558. add_builtins("dcc", C_dcc_serv);
  1559. add_builtins("ctcp", my_ctcps);
  1560. my_tcl_ints[0].val = &use_console_r;
  1561. add_tcl_ints(my_tcl_ints);
  1562. add_tcl_commands(my_tcl_cmds);
  1563. add_hook(HOOK_SECONDLY, (Function) server_secondly);
  1564. add_hook(HOOK_10SECONDLY, (Function) server_10secondly);
  1565. add_hook(HOOK_5MINUTELY, (Function) server_5minutely);
  1566. add_hook(HOOK_MINUTELY, (Function) minutely_checks);
  1567. add_hook(HOOK_QSERV, (Function) queue_server);
  1568. add_hook(HOOK_PRE_REHASH, (Function) server_prerehash);
  1569. add_hook(HOOK_REHASH, (Function) server_postrehash);
  1570. add_hook(HOOK_DIE, (Function) server_die);
  1571. mq.head = hq.head = modeq.head = NULL;
  1572. mq.last = hq.last = modeq.last = NULL;
  1573. mq.tot = hq.tot = modeq.tot = 0;
  1574. mq.warned = hq.warned = modeq.warned = 0;
  1575. double_warned = 0;
  1576. newserver[0] = 0;
  1577. newserverport = 0;
  1578. curserv = 999;
  1579. checked_hostmask = 0;
  1580. do_nettype();
  1581. add_cfg(&CFG_NICK);
  1582. add_cfg(&CFG_SERVERS);
  1583. add_cfg(&CFG_SERVERS6);
  1584. add_cfg(&CFG_REALNAME);
  1585. set_cfg_str(NULL, STR("realname"), "A deranged product of evil coders.");
  1586. return NULL;
  1587. }
  1588. #endif /* LEAF */