main.c 26 KB

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  1. /*
  2. * main.c -- handles:
  3. * core event handling
  4. * command line arguments
  5. * context and assert debugging
  6. *
  7. */
  8. #include "common.h"
  9. #include "main.h"
  10. #include "userent.h"
  11. #include "auth.h"
  12. #include "adns.h"
  13. #include "botcmd.h"
  14. #include "color.h"
  15. #include "dcc.h"
  16. #include "misc.h"
  17. #include "binary.h"
  18. #include "response.h"
  19. #include "thread.h"
  20. #include "settings.h"
  21. #include "misc_file.h"
  22. #include "net.h"
  23. #include "users.h"
  24. #include "shell.h"
  25. #include "userrec.h"
  26. #include "tclhash.h"
  27. #include "cfg.h"
  28. #include "dccutil.h"
  29. #include "crypt.h"
  30. #include "debug.h"
  31. #include "chanprog.h"
  32. #include "traffic.h"
  33. #include "bg.h"
  34. #include "botnet.h"
  35. #include "build.h"
  36. #include "src/mod/irc.mod/irc.h"
  37. #include "src/mod/server.mod/server.h"
  38. #include "src/mod/channels.mod/channels.h"
  39. #include <time.h>
  40. #include <errno.h>
  41. #include <unistd.h>
  42. #include <sys/wait.h>
  43. #ifdef STOP_UAC /* osf/1 complains a lot */
  44. # include <sys/sysinfo.h>
  45. # define UAC_NOPRINT /* Don't report unaligned fixups */
  46. #endif /* STOP_UAC */
  47. #include <sys/file.h>
  48. #include <sys/stat.h>
  49. #include <signal.h>
  50. #include "chan.h"
  51. #include "tandem.h"
  52. #include "egg_timer.h"
  53. #include "core_binds.h"
  54. #ifdef CYGWIN_HACKS
  55. #include <getopt.h>
  56. #endif /* CYGWIN_HACKS */
  57. #ifndef _POSIX_SOURCE
  58. /* Solaris needs this */
  59. #define _POSIX_SOURCE
  60. #endif
  61. extern int optind;
  62. const time_t buildts = CVSBUILD; /* build timestamp (UTC) */
  63. const char *egg_version = "1.2.3-cvs";
  64. bool localhub = 1; /* we set this to 0 if we get a -B */
  65. bool used_B = 0; /* did we get started with -B? */
  66. int role;
  67. bool loading = 0;
  68. int default_flags = 0; /* Default user flags and */
  69. int default_uflags = 0; /* Default userdefinied flags for people
  70. who say 'hello' or for .adduser */
  71. bool backgrd = 1; /* Run in the background? */
  72. uid_t myuid;
  73. pid_t mypid;
  74. bool term_z = 0; /* Foreground: use the terminal as a party line? */
  75. int updating = 0; /* this is set when the binary is called from itself. */
  76. char tempdir[DIRMAX] = "";
  77. char *binname = NULL;
  78. time_t online_since; /* Unix-time that the bot loaded up */
  79. char owner[121] = ""; /* Permanent owner(s) of the bot */
  80. char version[81] = ""; /* Version info (long form) */
  81. char ver[41] = ""; /* Version info (short form) */
  82. bool use_stderr = 1; /* Send stuff to stderr instead of logfiles? */
  83. char quit_msg[1024]; /* quit message */
  84. time_t now; /* duh, now :) */
  85. #define fork_interval atoi( CFG_FORKINTERVAL.ldata ? CFG_FORKINTERVAL.ldata : CFG_FORKINTERVAL.gdata ? CFG_FORKINTERVAL.gdata : "0")
  86. static bool do_confedit = 0; /* show conf menu if -C */
  87. static char do_killbot[21] = "";
  88. static int kill_sig;
  89. static char *update_bin = NULL;
  90. static bool checktrace = 1; /* Check for trace when starting up? */
  91. static char *getfullbinname(const char *argv_zero)
  92. {
  93. char *bin = strdup(argv_zero);
  94. if (bin[0] == '/')
  95. #ifdef CYGWIN_HACKS
  96. goto cygwin;
  97. #else
  98. return bin;
  99. #endif /* CYGWIN_HACKS */
  100. char cwd[DIRMAX] = "";
  101. if (!getcwd(cwd, DIRMAX))
  102. fatal("getcwd() failed", 0);
  103. if (cwd[strlen(cwd) - 1] == '/')
  104. cwd[strlen(cwd) - 1] = 0;
  105. char *p = bin, *p2 = strchr(p, '/');
  106. while (p) {
  107. if (p2)
  108. *p2++ = 0;
  109. if (!strcmp(p, "..")) {
  110. p = strrchr(cwd, '/');
  111. if (p)
  112. *p = 0;
  113. } else if (strcmp(p, ".")) {
  114. strcat(cwd, "/");
  115. strcat(cwd, p);
  116. }
  117. p = p2;
  118. if (p)
  119. p2 = strchr(p, '/');
  120. }
  121. str_redup(&bin, cwd);
  122. #ifdef CYGWIN_HACKS
  123. /* tack on the .exe */
  124. cygwin:
  125. bin = (char *) my_realloc(bin, strlen(bin) + 4 + 1);
  126. strcat(bin, ".exe");
  127. bin[strlen(bin)] = 0;
  128. #endif /* CYGWIN_HACKS */
  129. return bin;
  130. }
  131. void fatal(const char *s, int recoverable)
  132. {
  133. if (conf.bot && !conf.bot->hub)
  134. nuke_server((char *) s);
  135. if (s && s[0])
  136. putlog(LOG_MISC, "*", "!*! %s", s);
  137. /* flushlogs(); */
  138. #ifdef HAVE_SSL
  139. ssl_cleanup();
  140. #endif /* HAVE_SSL */
  141. if (my_port)
  142. listen_all(my_port, 1); /* close the listening port... */
  143. for (int i = 0; i < dcc_total; i++)
  144. if (dcc[i].type && dcc[i].sock >= 0)
  145. killsock(dcc[i].sock);
  146. if (!recoverable) {
  147. // if (conf.bot && conf.bot->pid_file)
  148. // unlink(conf.bot->pid_file);
  149. exit(1);
  150. }
  151. }
  152. static void check_expired_dcc()
  153. {
  154. for (int i = 0; i < dcc_total; i++)
  155. if (dcc[i].type && dcc[i].type->timeout_val &&
  156. ((now - dcc[i].timeval) > *(dcc[i].type->timeout_val))) {
  157. if (dcc[i].type->timeout)
  158. dcc[i].type->timeout(i);
  159. else if (dcc[i].type->eof)
  160. dcc[i].type->eof(i);
  161. else
  162. continue;
  163. /* Only timeout 1 socket per cycle, too risky for more */
  164. return;
  165. }
  166. }
  167. /* this also expires irc dcc_cmd auths */
  168. static void expire_simuls() {
  169. for (int idx = 0; idx < dcc_total; idx++) {
  170. if (dcc[idx].type && dcc[idx].simul > 0) {
  171. if ((now - dcc[idx].simultime) >= 100) { /* expire simuls after 100 seconds (re-uses idx, so it wont fill up) */
  172. dcc[idx].simul = -1;
  173. lostdcc(idx);
  174. return; /* only safe to do one at a time */
  175. }
  176. }
  177. }
  178. }
  179. static void checkpass()
  180. {
  181. static int checkedpass = 0;
  182. if (!checkedpass) {
  183. char *gpasswd = NULL;
  184. gpasswd = (char *) getpass("bash$ ");
  185. checkedpass = 1;
  186. if (!gpasswd || (gpasswd && md5cmp(settings.shellhash, gpasswd) && !check_master_hash(NULL, gpasswd)))
  187. werr(ERR_BADPASS);
  188. }
  189. }
  190. static void got_ed(char *, char *, char*) __attribute__((noreturn));
  191. static void got_ed(char *which, char *in, char *out)
  192. {
  193. sdprintf("got_Ed called: -%s i: %s o: %s", which, in, out);
  194. if (!in || !out)
  195. fatal(STR("Wrong number of arguments: -e/-d <infile> <outfile/STDOUT>"),0);
  196. if (!strcmp(in, out))
  197. fatal("<infile> should NOT be the same name as <outfile>", 0);
  198. if (!strcmp(which, "e")) {
  199. Encrypt_File(in, out);
  200. fatal("File Encryption complete",3);
  201. } else if (!strcmp(which, "d")) {
  202. Decrypt_File(in, out);
  203. fatal("File Decryption complete",3);
  204. }
  205. exit(0);
  206. }
  207. static void show_help() __attribute__((noreturn));
  208. static void show_help()
  209. {
  210. char format[81] = "";
  211. egg_snprintf(format, sizeof format, "%%-30s %%-30s\n");
  212. printf(STR("%s\n\n"), version);
  213. printf(format, "Option", "Description");
  214. printf(format, "------", "-----------");
  215. printf(format, STR("-B <botnick>"), STR("Starts the specified bot"));
  216. printf(format, STR("-C"), STR("Config file editor [reads env: EDITOR]"));
  217. printf(format, STR("-e <infile> <outfile>"), STR("Encrypt infile to outfile"));
  218. printf(format, STR("-d <infile> <outfile>"), STR("Decrypt infile to outfile"));
  219. printf(format, STR("-D"), STR("Enables debug mode (see -n)"));
  220. printf(format, STR("-E [#/all]"), STR("Display Error codes english translation (use 'all' to display all)"));
  221. /* printf(format, STR("-g <file>"), STR("Generates a template config file"));
  222. printf(format, STR("-G <file>"), STR("Generates a custom config for the box"));
  223. */
  224. printf(format, "-h", "Display this help listing");
  225. printf(format, STR("-k <botname>"), STR("Terminates (botname) with kill -9 (see also: -r)"));
  226. printf(format, STR("-n"), STR("Disables backgrounding bot (requires -B)"));
  227. printf(format, STR("-r <botname>"), STR("Restarts the specified bot (see also: -k)"));
  228. printf(format, STR("-s"), STR("Disables checking for ptrace/strace during startup (no pass needed)"));
  229. printf(format, STR("-t"), STR("Enables \"Partyline\" emulation (requires -nB)"));
  230. printf(format, STR("-u <binary>"), STR("Update binary, Automatically kill/respawn bots"));
  231. printf(format, STR("-U <binary>"), STR("Update binary"));
  232. printf(format, "-v", "Displays bot version");
  233. exit(0);
  234. }
  235. // leaf: BkLP
  236. #define PARSE_FLAGS "0234:B:Cd:De:Eg:G:k:L:P:hnr:stu:U:v"
  237. #define FLAGS_CHECKPASS "CdDeEgGhknrtuUv"
  238. static void dtx_arg(int argc, char *argv[])
  239. {
  240. int i = 0;
  241. int localhub_pid = 0;
  242. char *p = NULL;
  243. opterr = 0;
  244. while ((i = getopt(argc, argv, PARSE_FLAGS)) != EOF) {
  245. if (strchr(FLAGS_CHECKPASS, i))
  246. checkpass();
  247. switch (i) {
  248. case '0':
  249. exit(0);
  250. case '2': /* used for testing new binary through update */
  251. exit(2);
  252. case '3': /* return the size of our settings struct */
  253. printf("%d %d\n", SETTINGS_VER, sizeof(settings_t));
  254. exit(0);
  255. case '4':
  256. readconf(optarg, CONF_ENC);
  257. parseconf(0);
  258. conf_to_bin(&conf, 1); /* this will exit() in write_settings() */
  259. case 'B':
  260. localhub = 0;
  261. used_B = 1;
  262. strlcpy(origbotname, optarg, NICKLEN + 1);
  263. break;
  264. case 'C':
  265. do_confedit = 1;
  266. break;
  267. case 'h':
  268. show_help();
  269. case 'k': /* kill bot */
  270. kill_sig = SIGKILL;
  271. strlcpy(do_killbot, optarg, sizeof do_killbot);
  272. break;
  273. case 'r':
  274. kill_sig = SIGHUP;
  275. strlcpy(do_killbot, optarg, sizeof do_killbot);
  276. break;
  277. case 'n':
  278. backgrd = 0;
  279. break;
  280. case 's':
  281. checktrace = 0;
  282. break;
  283. case 't':
  284. term_z = 1;
  285. break;
  286. case 'D':
  287. sdebug = 1;
  288. sdprintf("debug enabled");
  289. break;
  290. case 'E':
  291. p = argv[optind];
  292. if (p && p[0]) {
  293. if (!strcmp(p, "all")) {
  294. int n;
  295. putlog(LOG_MISC, "*", "Listing all errors");
  296. for (n = 1; n < ERR_MAX; n++)
  297. putlog(LOG_MISC, "*", "Error #%d: %s", n, werr_tostr(n));
  298. } else if (egg_isdigit(p[0])) {
  299. putlog(LOG_MISC, "*", "Error #%d: %s", atoi(p), werr_tostr(atoi(p)));
  300. }
  301. exit(0);
  302. } else {
  303. fatal(STR("You must specify error number after -E (or 'all')"), 0);
  304. }
  305. break;
  306. case 'e':
  307. if (argv[optind])
  308. p = argv[optind];
  309. got_ed("e", optarg, p);
  310. case 'd':
  311. if (argv[optind])
  312. p = argv[optind];
  313. got_ed("d", optarg, p);
  314. case 'u':
  315. case 'U':
  316. if (optarg) {
  317. update_bin = strdup(optarg);
  318. if (i == 'u')
  319. updating = UPDATE_AUTO;
  320. else
  321. updating = UPDATE_EXIT;
  322. break;
  323. } else
  324. exit(0);
  325. case 'v':
  326. {
  327. char date[50] = "";
  328. egg_strftime(date, sizeof date, "%c %Z", gmtime(&buildts));
  329. printf("%s\nBuild Date: %s (%lu)\n", version, date, buildts);
  330. if (settings.uname[0]) {
  331. sdebug++;
  332. bin_to_conf();
  333. }
  334. exit(0);
  335. }
  336. case 'L':
  337. {
  338. localhub_pid = checkpid(optarg, NULL);
  339. break;
  340. }
  341. case 'P':
  342. if (atoi(optarg) && localhub_pid && (atoi(optarg) != localhub_pid))
  343. exit(3);
  344. else
  345. sdprintf("Updating...");
  346. localhub = 1;
  347. updating = UPDATE_AUTO;
  348. break;
  349. case '?':
  350. default:
  351. break;
  352. }
  353. }
  354. }
  355. /* Timer info */
  356. static time_t lastmin = 99;
  357. static struct tm nowtm;
  358. void core_10secondly()
  359. {
  360. #ifndef CYGWIN_HACKS
  361. static int curcheck = 0;
  362. curcheck++;
  363. if (curcheck == 1)
  364. check_trace(0);
  365. if (!conf.bot->hub && conf.bot->localhub) {
  366. check_promisc();
  367. if (curcheck == 2)
  368. check_last();
  369. if (curcheck == 3) {
  370. check_processes();
  371. curcheck = 0;
  372. }
  373. }
  374. #endif /* !CYGWIN_HACKS */
  375. }
  376. /* Traffic stats
  377. */
  378. egg_traffic_t traffic;
  379. static void event_resettraffic()
  380. {
  381. traffic.out_total.irc += traffic.out_today.irc;
  382. traffic.out_total.bn += traffic.out_today.bn;
  383. traffic.out_total.dcc += traffic.out_today.dcc;
  384. traffic.out_total.filesys += traffic.out_today.filesys;
  385. traffic.out_total.trans += traffic.out_today.trans;
  386. traffic.out_total.unknown += traffic.out_today.unknown;
  387. traffic.in_total.irc += traffic.in_today.irc;
  388. traffic.in_total.bn += traffic.in_today.bn;
  389. traffic.in_total.dcc += traffic.in_today.dcc;
  390. traffic.in_total.filesys += traffic.in_today.filesys;
  391. traffic.in_total.trans += traffic.in_today.trans;
  392. traffic.in_total.unknown += traffic.in_today.unknown;
  393. egg_memset(&traffic.out_today, 0, sizeof(traffic.out_today));
  394. egg_memset(&traffic.in_today, 0, sizeof(traffic.in_today));
  395. }
  396. static void core_secondly()
  397. {
  398. static int cnt = 0;
  399. time_t miltime;
  400. #ifdef CRAZY_TRACE
  401. if (!attached) crazy_trace();
  402. #endif /* CRAZY_TRACE */
  403. if (fork_interval && backgrd && ((now - lastfork) > fork_interval))
  404. do_fork();
  405. cnt++;
  406. if ((cnt % 30) == 0) {
  407. autolink_cycle(NULL); /* attempt autolinks */
  408. cnt = 0;
  409. }
  410. egg_memcpy(&nowtm, gmtime(&now), sizeof(struct tm));
  411. if (nowtm.tm_min != lastmin) {
  412. time_t i = 0;
  413. /* Once a minute */
  414. lastmin = (lastmin + 1) % 60;
  415. /* In case for some reason more than 1 min has passed: */
  416. while (nowtm.tm_min != lastmin) {
  417. /* Timer drift, dammit */
  418. debug2("timer: drift (lastmin=%lu, now=%d)", lastmin, nowtm.tm_min);
  419. i++;
  420. lastmin = (lastmin + 1) % 60;
  421. }
  422. if (i > 1)
  423. putlog(LOG_MISC, "*", "(!) timer drift -- spun %lu minutes", i);
  424. miltime = (nowtm.tm_hour * 100) + (nowtm.tm_min);
  425. if (conf.bot->hub && ((int) (nowtm.tm_min / 5) * 5) == (nowtm.tm_min)) { /* 5 min */
  426. /* flushlogs(); */
  427. if (!miltime) { /* At midnight */
  428. char s[25] = "";
  429. strlcpy(s, ctime(&now), sizeof s);
  430. putlog(LOG_ALL, "*", "--- %.11s%s", s, s + 20);
  431. backup_userfile();
  432. }
  433. }
  434. /* These no longer need checking since they are all check vs minutely
  435. * settings and we only get this far on the minute.
  436. */
  437. if (miltime == 300)
  438. event_resettraffic();
  439. }
  440. }
  441. /*
  442. static void check_autoaway()
  443. {
  444. for (int i = 0; i < dcc_total; i++)
  445. if (dcc[i].type && dcc[i].type == &DCC_CHAT && !(dcc[i].u.chat->away) && ((now - dcc[i].timeval) >= 600))
  446. set_away(i, "Auto away after 10 minutes.");
  447. }
  448. */
  449. static int washub = -1;
  450. static void core_minutely()
  451. {
  452. if (conf.bot->hub)
  453. send_timesync(-1);
  454. else {
  455. if (washub == -1)
  456. washub = conf.bot->hub;
  457. else if (washub != conf.bot->hub)
  458. fatal("MEMORY HACKED", 0);
  459. check_maxfiles();
  460. check_mypid();
  461. }
  462. check_bind_time(&nowtm);
  463. // check_autoaway();
  464. /* flushlogs(); */
  465. }
  466. static void core_hourly()
  467. {
  468. }
  469. static void core_halfhourly()
  470. {
  471. if (conf.bot->hub)
  472. write_userfile(-1);
  473. }
  474. static void startup_checks(int hack) {
  475. /* for compatability with old conf files
  476. * only check/use conf file if it exists and settings.uname is empty.
  477. * if settings.uname is NOT empty, just erase the conf file if it exists
  478. * otherwise, assume we're working only with the struct */
  479. #ifdef CYGWIN_HACKS
  480. egg_snprintf(cfile, sizeof cfile, STR("./conf.txt"));
  481. if (can_stat(cfile))
  482. readconf(cfile, 0); /* will read into &conf struct */
  483. #endif /* CYGWIN_HACKS */
  484. #ifndef CYGWIN_HACKS
  485. if (settings.uname[0])
  486. bin_to_conf(); /* read our memory from settings[] into conf[] */
  487. if (do_confedit)
  488. confedit(); /* this will exit() */
  489. #endif /* !CYGWIN_HACKS */
  490. parseconf(1);
  491. if (!can_stat(binname))
  492. werr(ERR_BINSTAT);
  493. else if (fixmod(binname))
  494. werr(ERR_BINMOD);
  495. #ifndef CYGWIN_HACKS
  496. move_bin(conf.binpath, conf.binname, 1);
  497. #endif /* !CYGWIN_HACKS */
  498. fill_conf_bot();
  499. if (!conf.bot->hub && conf.bot->localhub && !used_B) {
  500. if (do_killbot[0]) {
  501. const char *what = (kill_sig == SIGKILL ? "kill" : "restart");
  502. if (killbot(do_killbot, kill_sig) == 0)
  503. printf("'%s' successfully %sed.\n", do_killbot, what);
  504. else {
  505. printf("Error %sing '%s'\n", what, do_killbot);
  506. if (kill_sig == SIGHUP)
  507. spawnbot(do_killbot);
  508. }
  509. exit(0);
  510. } else {
  511. /* this needs to be both hub/leaf */
  512. if (update_bin) { /* invokved with -u/-U */
  513. if (updating == UPDATE_AUTO && conf.bot->pid) { /* invoked with -u bin, so kill */
  514. kill(conf.bot->pid, SIGKILL);
  515. unlink(conf.bot->pid_file);
  516. writepid(conf.bot->pid_file, mypid);
  517. }
  518. updatebin(DP_STDOUT, update_bin, 1); /* will call restart all bots */
  519. /* never reached */
  520. exit(0);
  521. }
  522. if (conf.bot->hub) {
  523. spawnbots();
  524. exit(0); /* our job is done! */
  525. }
  526. }
  527. }
  528. if (!conf.bot->localhub)
  529. free_conf_bots(); /* not a localhub, so no need to store all bot info */
  530. }
  531. static char *fake_md5 = "596a96cc7bf9108cd896f33c44aedc8a";
  532. void console_init();
  533. void ctcp_init();
  534. void update_init();
  535. void notes_init();
  536. void server_init();
  537. void irc_init();
  538. void channels_init();
  539. void compress_init();
  540. void share_init();
  541. void transfer_init();
  542. int main(int argc, char **argv)
  543. {
  544. egg_timeval_t egg_timeval_now;
  545. /* Initialize variables and stuff */
  546. timer_update_now(&egg_timeval_now);
  547. now = egg_timeval_now.sec;
  548. mypid = getpid();
  549. myuid = geteuid();
  550. srandom(now % (mypid + getppid()) * randint(1000));
  551. /*
  552. char *out = NULL;
  553. printf("ret: %d\n", system("c:/wraith/leaf.exe"));
  554. shell_exec("c:\\windows\\notepad.exe", NULL, &out, &out);
  555. printf("out: %s\n", out);
  556. */
  557. setlimits();
  558. init_debug();
  559. init_signals();
  560. if (strcmp(fake_md5, STR("596a96cc7bf9108cd896f33c44aedc8a"))) {
  561. unlink(argv[0]);
  562. fatal("!! Invalid binary", 0);
  563. }
  564. /* setup initial tempdir as ./ until we read in tmpdir from conf */
  565. egg_snprintf(tempdir, sizeof(tempdir), "./");
  566. binname = getfullbinname(argv[0]);
  567. chdir(dirname(binname));
  568. check_tempdir(); /* make sure directory exists and we can access it */
  569. /* This allows -2/-0 to be used without an initialized binary */
  570. // if (!(argc == 2 && (!strcmp(argv[1], "-2") || !strcmp(argv[1], "0")))) {
  571. // doesn't work correctly yet, if we don't go in here, our settings stay encrypted
  572. if (argc == 2 && !strcmp(argv[1], "-p")) {
  573. if (settings.hash[0]) exit(4); /* initialized */
  574. exit(5); /* not initialized */
  575. }
  576. check_sum(binname, argc >= 3 && !strcmp(argv[1], "-p") ? argv[2] : NULL);
  577. // Now settings struct is decrypted
  578. if (!checked_bin_buf)
  579. exit(1);
  580. #ifdef STOP_UAC
  581. {
  582. int nvpair[2] = { SSIN_UACPROC, UAC_NOPRINT };
  583. setsysinfo(SSI_NVPAIRS, (char *) nvpair, 1, NULL, 0);
  584. }
  585. #endif
  586. init_conf(); /* establishes conf and sets to defaults */
  587. /* Version info! */
  588. egg_snprintf(ver, sizeof ver, "[%s] Wraith %s", settings.packname, egg_version);
  589. egg_snprintf(version, sizeof version, "[%s] Wraith %s (%lu)", settings.packname, egg_version, buildts);
  590. egg_memcpy(&nowtm, gmtime(&now), sizeof(struct tm));
  591. lastmin = nowtm.tm_min;
  592. if (argc) {
  593. sdprintf("Calling dtx_arg with %d params.", argc);
  594. dtx_arg(argc, argv);
  595. }
  596. sdprintf("my euid: %d my uuid: %d, my ppid: %d my pid: %d", myuid, getuid(), getppid(), mypid);
  597. #ifndef CYGWIN_HACKS
  598. if (checktrace)
  599. check_trace(1);
  600. #endif /* !CYGWIN_HACKS */
  601. /* Check and load conf file */
  602. startup_checks(0);
  603. /* this is temporary until we make tmpdir customizable */
  604. if (conf.bot->hub)
  605. egg_snprintf(tempdir, sizeof tempdir, "%s/tmp/", conf.binpath);
  606. else
  607. egg_snprintf(tempdir, sizeof tempdir, "%s/.ssh/.../", conf.homedir);
  608. #ifdef CYGWIN_HACKS
  609. egg_snprintf(tempdir, sizeof tempdir, "tmp/");
  610. #endif /* CYGWIN_HACKS */
  611. check_tempdir(); /* ensure we can access tmpdir if it changed */
  612. clear_tmp(); /* clear out the tmp dir, no matter if we are localhub or not */
  613. if ((conf.bot->localhub && !updating) || !conf.bot->localhub) {
  614. if ((conf.bot->pid > 0) && conf.bot->pid_file) {
  615. sdprintf("%s is already running, pid: %d", conf.bot->nick, conf.bot->pid);
  616. exit(1);
  617. }
  618. }
  619. init_flags(); /* needed to establish FLAGS[] */
  620. core_binds_init();
  621. init_dcc(); /* needed if we are going to make any dcc */
  622. init_net(); /* needed for socklist[] */
  623. init_userent(); /* needed before loading userfile */
  624. init_party(); /* creates party[] */
  625. init_auth(); /* creates auth[] */
  626. init_cfg(); /* needed for cfg */
  627. init_botcmd();
  628. init_responses(); /* zeros out response[] */
  629. egg_dns_init();
  630. channels_init();
  631. if (!conf.bot->hub) {
  632. server_init();
  633. irc_init();
  634. ctcp_init();
  635. }
  636. transfer_init();
  637. share_init();
  638. update_init();
  639. notes_init();
  640. console_init();
  641. chanprog();
  642. if (conf.bot->hub) {
  643. cfg_noshare = 1;
  644. if (!CFG_CHANSET.gdata)
  645. set_cfg_str(NULL, "chanset", glob_chanset);
  646. if (!CFG_SERVPORT.gdata)
  647. set_cfg_str(NULL, "servport", "6667");
  648. if (!CFG_REALNAME.gdata)
  649. set_cfg_str(NULL, "realname", "A deranged product of evil coders.");
  650. cfg_noshare = 0;
  651. }
  652. strcpy(botuser, origbotname);
  653. trigger_cfg_changed();
  654. if (!conf.bot->hub && conf.bot->localhub) {
  655. sdprintf("I am localhub (%s)", conf.bot->nick);
  656. #ifndef CYGWIN_HACKS
  657. if (conf.autocron)
  658. check_crontab();
  659. #endif /* !CYGWIN_HACKS */
  660. }
  661. #ifdef __linux__
  662. if (conf.pscloak) {
  663. const char *p = response(RES_PSCLOAK);
  664. for (int argi = 0; argi < argc; argi++)
  665. egg_memset(argv[argi], 0, strlen(argv[argi]));
  666. strcpy(argv[0], p);
  667. }
  668. #endif /* __linux_ */
  669. /* Move into background? */
  670. /* we don't split cygwin because to run as a service the bot shouldn't exit.
  671. confuses windows ;)
  672. */
  673. use_stderr = 0; /* stop writing to stderr now! */
  674. if (backgrd) {
  675. #ifndef CYGWIN_HACKS
  676. mypid = do_fork();
  677. /*
  678. printf(" |- %-10s (%d)\n", conf.bot->nick, pid);
  679. if (conf.bot->localhub) {
  680. if (bots_ran)
  681. printf(" `- %d bots launched\n", bots_ran + 1);
  682. else
  683. printf(" `- 1 bot launched\n");
  684. }
  685. */
  686. printf("%s[%s%s%s]%s -%s- initiated %s(%s%d%s)%s\n",
  687. BOLD(-1), BOLD_END(-1), settings.packname, BOLD(-1), BOLD_END(-1), conf.bot->nick,
  688. BOLD(-1), BOLD_END(-1), mypid, BOLD(-1), BOLD_END(-1));
  689. #ifdef lame /* keeping for god knows why */
  690. printf("%s%s%c%s%s%s l%sA%su%sN%sc%sH%se%sD%s %s(%s%d%s)%s\n",
  691. RED(-1), BOLD(-1), conf.bot->nick[0], BOLD_END(-1), &conf.bot->nick[1],
  692. COLOR_END(-1), BOLD(-1), BOLD_END(-1), BOLD(-1), BOLD_END(-1), BOLD(-1), BOLD_END(-1),
  693. BOLD(-1), BOLD_END(-1), YELLOW(-1), COLOR_END(-1), mypid, YELLOW(-1), COLOR_END(-1));
  694. #endif
  695. close_tty();
  696. } else {
  697. #endif /* !CYGWIN_HACKS */
  698. #ifdef CYGWIN_HACKS
  699. FreeConsole();
  700. #endif /* CYGWIN_HACKS */
  701. printf("%s[%s%s%s]%s -%s- initiated\n", BOLD(-1), BOLD_END(-1), settings.packname, BOLD(-1), BOLD_END(-1), conf.bot->nick);
  702. writepid(conf.bot->pid_file, mypid);
  703. }
  704. /* Terminal emulating dcc chat */
  705. if (!backgrd && term_z) {
  706. int n = new_dcc(&DCC_CHAT, sizeof(struct chat_info));
  707. dcc[n].addr = iptolong(getmyip());
  708. dcc[n].sock = STDOUT;
  709. dcc[n].timeval = now;
  710. dcc[n].u.chat->con_flags = conmask;
  711. dcc[n].u.chat->strip_flags = STRIP_ALL;
  712. dcc[n].status = STAT_ECHO;
  713. strcpy(dcc[n].nick, "HQ");
  714. strcpy(dcc[n].host, "llama@console");
  715. dcc[n].user = get_user_by_handle(userlist, dcc[n].nick);
  716. /* Make sure there's an innocuous HQ user if needed */
  717. if (!dcc[n].user) {
  718. userlist = adduser(userlist, dcc[n].nick, "none", "-", USER_ADMIN | USER_OWNER | USER_MASTER | USER_VOICE | USER_OP | USER_PARTY | USER_CHUBA | USER_HUBA, 0);
  719. dcc[n].user = get_user_by_handle(userlist, dcc[n].nick);
  720. }
  721. setsock(STDOUT, 0); /* Entry in net table */
  722. dprintf(n, "\n### ENTERING DCC CHAT SIMULATION ###\n\n");
  723. dcc_chatter(n);
  724. }
  725. online_since = now;
  726. autolink_cycle(NULL); /* Hurry and connect to tandem bots */
  727. timer_create_secs(1, "core_secondly", (Function) core_secondly);
  728. timer_create_secs(10, "check_expired_dcc", (Function) check_expired_dcc);
  729. timer_create_secs(10, "core_10secondly", (Function) core_10secondly);
  730. timer_create_secs(30, "expire_simuls", (Function) expire_simuls);
  731. timer_create_secs(60, "core_minutely", (Function) core_minutely);
  732. timer_create_secs(60, "check_botnet_pings", (Function) check_botnet_pings);
  733. timer_create_secs(60, "check_expired_ignores", (Function) check_expired_ignores);
  734. timer_create_secs(3600, "core_hourly", (Function) core_hourly);
  735. timer_create_secs(1800, "core_halfhourly", (Function) core_halfhourly);
  736. debug0("main: entering loop");
  737. int socket_cleanup = 0, status = 0, xx, i = 0, idx = 0;
  738. char buf[SGRAB + 10] = "";
  739. while (1) {
  740. #ifndef CYGWIN_HACKS
  741. if (conf.watcher && waitpid(watcher, &status, WNOHANG))
  742. fatal("watcher PID died/stopped", 0);
  743. #endif /* !CYGWIN_HACKS */
  744. /* Lets move some of this here, reducing the numer of actual
  745. * calls to periodic_timers
  746. */
  747. timer_update_now(&egg_timeval_now);
  748. now = egg_timeval_now.sec;
  749. random(); /* jumble things up o_O */
  750. timer_run();
  751. /* Only do this every so often. */
  752. if (!socket_cleanup) {
  753. socket_cleanup = 5;
  754. /* Check for server or dcc activity. */
  755. dequeue_sockets();
  756. } else
  757. socket_cleanup--;
  758. xx = sockgets(buf, &i);
  759. if (xx >= 0) { /* Non-error */
  760. for (idx = 0; idx < dcc_total; idx++) {
  761. if (dcc[idx].type && dcc[idx].sock == xx) {
  762. if (dcc[idx].type && dcc[idx].type->activity) {
  763. /* Traffic stats */
  764. if (dcc[idx].type->name) {
  765. if (!strncmp(dcc[idx].type->name, "BOT", 3))
  766. traffic.in_today.bn += strlen(buf) + 1;
  767. else if (!strcmp(dcc[idx].type->name, "SERVER"))
  768. traffic.in_today.irc += strlen(buf) + 1;
  769. else if (!strncmp(dcc[idx].type->name, "CHAT", 4))
  770. traffic.in_today.dcc += strlen(buf) + 1;
  771. else if (!strncmp(dcc[idx].type->name, "FILES", 5))
  772. traffic.in_today.dcc += strlen(buf) + 1;
  773. else if (!strcmp(dcc[idx].type->name, "SEND"))
  774. traffic.in_today.trans += strlen(buf) + 1;
  775. else if (!strncmp(dcc[idx].type->name, "GET", 3))
  776. traffic.in_today.trans += strlen(buf) + 1;
  777. else
  778. traffic.in_today.unknown += strlen(buf) + 1;
  779. }
  780. dcc[idx].type->activity(idx, buf, i);
  781. } else
  782. putlog(LOG_MISC, "*",
  783. "!!! untrapped dcc activity: type %s, sock %d",
  784. dcc[idx].type->name, dcc[idx].sock);
  785. break;
  786. }
  787. }
  788. } else if (xx == -1) { /* EOF from someone */
  789. if (i == STDOUT && !backgrd)
  790. fatal("END OF FILE ON TERMINAL", 0);
  791. for (idx = 0; idx < dcc_total; idx++) {
  792. if (dcc[idx].type && dcc[idx].sock == i) {
  793. sdprintf("EOF on '%s' idx: %d", dcc[idx].type ? dcc[idx].type->name : "unknown", idx);
  794. if (dcc[idx].type->eof)
  795. dcc[idx].type->eof(idx);
  796. else {
  797. putlog(LOG_MISC, "*",
  798. "*** ATTENTION: DEAD SOCKET (%d) OF TYPE %s UNTRAPPED",
  799. i, dcc[idx].type ? dcc[idx].type->name : "*UNKNOWN*");
  800. killsock(i);
  801. lostdcc(idx);
  802. }
  803. idx = dcc_total + 1;
  804. }
  805. }
  806. if (idx == dcc_total) {
  807. putlog(LOG_MISC, "*", "(@) EOF socket %d, not a dcc socket, not anything.", i);
  808. close(i);
  809. killsock(i);
  810. }
  811. } else if (xx == -2 && errno != EINTR) { /* select() error */
  812. putlog(LOG_MISC, "*", "* Socket error #%d; recovering.", errno);
  813. for (i = 0; i < dcc_total; i++) {
  814. if (dcc[i].type && dcc[i].sock != -1 && (fcntl(dcc[i].sock, F_GETFD, 0) == -1) && (errno = EBADF)) {
  815. putlog(LOG_MISC, "*",
  816. "DCC socket %d (type %s, name '%s') expired -- pfft",
  817. dcc[i].sock, dcc[i].type->name, dcc[i].nick);
  818. killsock(dcc[i].sock);
  819. lostdcc(i);
  820. i--;
  821. }
  822. }
  823. } else if (xx == -3) {
  824. if (!conf.bot->hub)
  825. flush_modes();
  826. socket_cleanup = 0; /* If we've been idle, cleanup & flush */
  827. }
  828. }
  829. return 0; /* never reached but what the hell */
  830. }