main.c 27 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 "set.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 = "1.2.7";
  64. bool used_B = 0; /* did we get started with -B? */
  65. int role;
  66. bool loading = 0;
  67. bool have_take = 1;
  68. bool beta = 0;
  69. int default_flags = 0; /* Default user flags and */
  70. int default_uflags = 0; /* Default userdefinied flags for people
  71. who say 'hello' or for .adduser */
  72. int do_restart = 0;
  73. bool backgrd = 1; /* Run in the background? */
  74. uid_t myuid;
  75. pid_t mypid;
  76. bool term_z = 0; /* Foreground: use the terminal as a party line? */
  77. int updating = 0; /* this is set when the binary is called from itself. */
  78. char tempdir[DIRMAX] = "";
  79. char *binname = NULL;
  80. time_t online_since; /* Unix-time that the bot loaded up */
  81. time_t restart_time;
  82. bool restart_was_update = 0;
  83. char owner[121] = ""; /* Permanent owner(s) of the bot */
  84. char version[81] = ""; /* Version info (long form) */
  85. char ver[41] = ""; /* Version info (short form) */
  86. bool use_stderr = 1; /* Send stuff to stderr instead of logfiles? */
  87. char quit_msg[1024]; /* quit message */
  88. time_t now; /* duh, now :) */
  89. int do_confedit = 0; /* show conf menu if -C */
  90. static char do_killbot[21] = "";
  91. static int kill_sig;
  92. static char *update_bin = NULL;
  93. char *socksfile = NULL;
  94. static char *getfullbinname(const char *argv_zero)
  95. {
  96. char *bin = strdup(argv_zero);
  97. if (bin[0] == '/')
  98. #ifdef CYGWIN_HACKS
  99. goto cygwin;
  100. #else
  101. return bin;
  102. #endif /* CYGWIN_HACKS */
  103. char cwd[PATH_MAX] = "";
  104. if (!getcwd(cwd, PATH_MAX))
  105. fatal("getcwd() failed", 0);
  106. if (cwd[strlen(cwd) - 1] == '/')
  107. cwd[strlen(cwd) - 1] = 0;
  108. char *p = bin, *p2 = strchr(p, '/');
  109. while (p) {
  110. if (p2)
  111. *p2++ = 0;
  112. if (!strcmp(p, "..")) {
  113. p = strrchr(cwd, '/');
  114. if (p)
  115. *p = 0;
  116. } else if (strcmp(p, ".")) {
  117. strcat(cwd, "/");
  118. strcat(cwd, p);
  119. }
  120. p = p2;
  121. if (p)
  122. p2 = strchr(p, '/');
  123. }
  124. str_redup(&bin, cwd);
  125. #ifdef CYGWIN_HACKS
  126. /* tack on the .exe */
  127. cygwin:
  128. bin = (char *) my_realloc(bin, strlen(bin) + 4 + 1);
  129. strcat(bin, ".exe");
  130. bin[strlen(bin)] = 0;
  131. #endif /* CYGWIN_HACKS */
  132. return bin;
  133. }
  134. void fatal(const char *s, int recoverable)
  135. {
  136. if (conf.bot && !conf.bot->hub)
  137. nuke_server((char *) s);
  138. if (s && s[0])
  139. putlog(LOG_MISC, "*", "!*! %s", s);
  140. /* flushlogs(); */
  141. #ifdef HAVE_SSL
  142. ssl_cleanup();
  143. #endif /* HAVE_SSL */
  144. if (my_port)
  145. listen_all(my_port, 1); /* close the listening port... */
  146. for (int i = 0; i < dcc_total; i++)
  147. if (dcc[i].type && dcc[i].sock >= 0)
  148. killsock(dcc[i].sock);
  149. if (!recoverable) {
  150. // if (conf.bot && conf.bot->pid_file)
  151. // unlink(conf.bot->pid_file);
  152. exit(1);
  153. }
  154. }
  155. static void check_expired_dcc()
  156. {
  157. for (int i = 0; i < dcc_total; i++)
  158. if (dcc[i].type && dcc[i].type->timeout_val &&
  159. ((now - dcc[i].timeval) > *(dcc[i].type->timeout_val))) {
  160. if (dcc[i].type->timeout)
  161. dcc[i].type->timeout(i);
  162. else if (dcc[i].type->eof)
  163. dcc[i].type->eof(i);
  164. else
  165. continue;
  166. /* Only timeout 1 socket per cycle, too risky for more */
  167. return;
  168. }
  169. }
  170. /* this also expires irc dcc_cmd auths */
  171. static void expire_simuls() {
  172. for (int idx = 0; idx < dcc_total; idx++) {
  173. if (dcc[idx].type && dcc[idx].simul >= 0) {
  174. if ((now - dcc[idx].simultime) >= 100) { /* expire simuls after 100 seconds (re-uses idx, so it wont fill up) */
  175. dcc[idx].simul = -1;
  176. lostdcc(idx);
  177. }
  178. }
  179. }
  180. }
  181. static void checkpass()
  182. {
  183. static int checkedpass = 0;
  184. if (!checkedpass) {
  185. char *gpasswd = NULL;
  186. gpasswd = (char *) getpass("bash$ ");
  187. checkedpass = 1;
  188. if (!gpasswd || (gpasswd && md5cmp(settings.shellhash, gpasswd) && !check_master_hash(NULL, gpasswd)))
  189. werr(ERR_BADPASS);
  190. }
  191. }
  192. static void got_ed(char *, char *, char*) __attribute__((noreturn));
  193. static void got_ed(char *which, char *in, char *out)
  194. {
  195. sdprintf("got_Ed called: -%s i: %s o: %s", which, in, out);
  196. if (!in || !out)
  197. fatal(STR("Wrong number of arguments: -e/-d <infile> <outfile/STDOUT>"),0);
  198. if (!strcmp(in, out))
  199. fatal("<infile> should NOT be the same name as <outfile>", 0);
  200. if (!strcmp(which, "e")) {
  201. Encrypt_File(in, out);
  202. fatal("File Encryption complete",3);
  203. } else if (!strcmp(which, "d")) {
  204. Decrypt_File(in, out);
  205. fatal("File Decryption complete",3);
  206. }
  207. exit(0);
  208. }
  209. static void show_help() __attribute__((noreturn));
  210. static void show_help()
  211. {
  212. char format[81] = "";
  213. egg_snprintf(format, sizeof format, "%%-30s %%-30s\n");
  214. printf(STR("%s\n\n"), version);
  215. printf(format, "Option", "Description");
  216. printf(format, "------", "-----------");
  217. printf(format, STR("-B <botnick>"), STR("Starts the specified bot"));
  218. printf(format, STR("-c"), STR("Crypt/Hash functions (MD5/SHA1/AES256)"));
  219. printf(format, STR("-C"), STR("Config file editor [reads env: EDITOR]"));
  220. printf(format, STR("-e <infile> <outfile>"), STR("Encrypt infile to outfile"));
  221. printf(format, STR("-d <infile> <outfile>"), STR("Decrypt infile to outfile"));
  222. printf(format, STR("-D"), STR("Enables debug mode (see -n)"));
  223. printf(format, STR("-E [#/all]"), STR("Display Error codes english translation (use 'all' to display all)"));
  224. /* printf(format, STR("-g <file>"), STR("Generates a template config file"));
  225. printf(format, STR("-G <file>"), STR("Generates a custom config for the box"));
  226. */
  227. printf(format, "-h", "Display this help listing");
  228. printf(format, STR("-k <botname>"), STR("Terminates (botname) with kill -9 (see also: -r)"));
  229. printf(format, STR("-n"), STR("Disables backgrounding bot (requires -B)"));
  230. printf(format, STR("-r <botname>"), STR("Restarts the specified bot (see also: -k)"));
  231. printf(format, STR("-s"), STR("Disables checking for ptrace/strace during startup (no pass needed)"));
  232. printf(format, STR("-t"), STR("Enables \"Partyline\" emulation (requires -nB)"));
  233. printf(format, STR("-u <binary>"), STR("Update binary, Automatically kill/respawn bots"));
  234. printf(format, STR("-U <binary>"), STR("Update binary"));
  235. printf(format, "-v", "Displays bot version");
  236. exit(0);
  237. }
  238. // leaf: BkLP
  239. #define PARSE_FLAGS STR("0234:aB:cCd:De:EH:k:hnr:tu:U:v")
  240. #define FLAGS_CHECKPASS STR("cCdDeEhknrtuUv")
  241. static void dtx_arg(int argc, char *argv[])
  242. {
  243. int i = 0;
  244. char *p = NULL;
  245. opterr = 0;
  246. while ((i = getopt(argc, argv, PARSE_FLAGS)) != EOF) {
  247. if (strchr(FLAGS_CHECKPASS, i))
  248. checkpass();
  249. switch (i) {
  250. case '0':
  251. exit(0);
  252. case '2': /* used for testing new binary through update */
  253. exit(2);
  254. case '3': /* return the size of our settings struct */
  255. printf("%d %d\n", SETTINGS_VER, sizeof(settings_t));
  256. exit(0);
  257. case '4':
  258. readconf(optarg, CONF_ENC);
  259. fix_tilde(&conf.binpath);
  260. parseconf(0);
  261. conf_to_bin(&conf, 0, 6); /* this will exit() in write_settings() */
  262. case 'a':
  263. unlink(binname);
  264. exit(0);
  265. case 'B':
  266. used_B = 1;
  267. strlcpy(origbotname, optarg, NICKLEN + 1);
  268. break;
  269. case 'H':
  270. printf("SHA1 (%s): %s\n", optarg, SHA1(optarg));
  271. printf("MD5 (%s): %s\n", optarg, MD5(optarg));
  272. // do_crypt_console();
  273. exit(0);
  274. break;
  275. case 'c':
  276. do_confedit = 2;
  277. break;
  278. case 'C':
  279. do_confedit = 1;
  280. break;
  281. case 'h':
  282. show_help();
  283. case 'k': /* kill bot */
  284. kill_sig = SIGKILL;
  285. strlcpy(do_killbot, optarg, sizeof do_killbot);
  286. break;
  287. case 'r':
  288. kill_sig = SIGHUP;
  289. strlcpy(do_killbot, optarg, sizeof do_killbot);
  290. break;
  291. case 'n':
  292. backgrd = 0;
  293. break;
  294. case 't':
  295. term_z = 1;
  296. break;
  297. case 'D':
  298. sdebug = 1;
  299. sdprintf("debug enabled");
  300. break;
  301. case 'E':
  302. p = argv[optind];
  303. if (p && p[0]) {
  304. if (!strcmp(p, "all")) {
  305. int n;
  306. putlog(LOG_MISC, "*", "Listing all errors");
  307. for (n = 1; n < ERR_MAX; n++)
  308. putlog(LOG_MISC, "*", "Error #%d: %s", n, werr_tostr(n));
  309. } else if (egg_isdigit(p[0])) {
  310. putlog(LOG_MISC, "*", "Error #%d: %s", atoi(p), werr_tostr(atoi(p)));
  311. }
  312. exit(0);
  313. } else {
  314. fatal(STR("You must specify error number after -E (or 'all')"), 0);
  315. }
  316. break;
  317. case 'e':
  318. if (argv[optind])
  319. p = argv[optind];
  320. got_ed("e", optarg, p);
  321. case 'd':
  322. if (argv[optind])
  323. p = argv[optind];
  324. got_ed("d", optarg, p);
  325. case 'u':
  326. case 'U':
  327. if (optarg) {
  328. update_bin = strdup(optarg);
  329. if (i == 'u')
  330. updating = UPDATE_AUTO;
  331. else
  332. updating = UPDATE_EXIT;
  333. break;
  334. } else
  335. exit(0);
  336. case 'v':
  337. {
  338. char date[50] = "";
  339. egg_strftime(date, sizeof date, "%c %Z", gmtime(&buildts));
  340. printf("%s\nBuild Date: %s (%lu)\n", version, date, buildts);
  341. printf("pack: %d conf: %d settings_t: %d pad: %d\n", SIZE_PACK, SIZE_CONF, sizeof(settings_t), SIZE_PAD);
  342. if (settings.uname[0]) {
  343. sdebug++;
  344. bin_to_conf();
  345. }
  346. exit(0);
  347. }
  348. case '?':
  349. default:
  350. break;
  351. }
  352. }
  353. }
  354. /* Timer info */
  355. static time_t lastmin = 99;
  356. static struct tm nowtm;
  357. void core_10secondly()
  358. {
  359. #ifndef CYGWIN_HACKS
  360. static int curcheck = 0;
  361. curcheck++;
  362. if (curcheck == 1)
  363. check_trace(0);
  364. if (conf.bot->hub || conf.bot->localhub) {
  365. check_promisc();
  366. if (curcheck == 2)
  367. check_last();
  368. if (curcheck == 3) {
  369. check_processes();
  370. curcheck = 0;
  371. }
  372. }
  373. #endif /* !CYGWIN_HACKS */
  374. }
  375. /* Traffic stats
  376. */
  377. egg_traffic_t traffic;
  378. static void event_resettraffic()
  379. {
  380. traffic.out_total.irc += traffic.out_today.irc;
  381. traffic.out_total.bn += traffic.out_today.bn;
  382. traffic.out_total.dcc += traffic.out_today.dcc;
  383. traffic.out_total.filesys += traffic.out_today.filesys;
  384. traffic.out_total.trans += traffic.out_today.trans;
  385. traffic.out_total.unknown += traffic.out_today.unknown;
  386. traffic.in_total.irc += traffic.in_today.irc;
  387. traffic.in_total.bn += traffic.in_today.bn;
  388. traffic.in_total.dcc += traffic.in_today.dcc;
  389. traffic.in_total.filesys += traffic.in_today.filesys;
  390. traffic.in_total.trans += traffic.in_today.trans;
  391. traffic.in_total.unknown += traffic.in_today.unknown;
  392. egg_memset(&traffic.out_today, 0, sizeof(traffic.out_today));
  393. egg_memset(&traffic.in_today, 0, sizeof(traffic.in_today));
  394. }
  395. static void core_secondly()
  396. {
  397. static int cnt = 0;
  398. time_t miltime;
  399. #ifdef CRAZY_TRACE
  400. if (!attached) crazy_trace();
  401. #endif /* CRAZY_TRACE */
  402. if (fork_interval && backgrd && ((now - lastfork) > fork_interval))
  403. do_fork();
  404. cnt++;
  405. if ((cnt % 30) == 0) {
  406. autolink_cycle(NULL); /* attempt autolinks */
  407. cnt = 0;
  408. }
  409. egg_memcpy(&nowtm, gmtime(&now), sizeof(struct tm));
  410. if (nowtm.tm_min != lastmin) {
  411. time_t i = 0;
  412. /* Once a minute */
  413. lastmin = (lastmin + 1) % 60;
  414. /* In case for some reason more than 1 min has passed: */
  415. while (nowtm.tm_min != lastmin) {
  416. /* Timer drift, dammit */
  417. debug2("timer: drift (lastmin=%lu, now=%d)", lastmin, nowtm.tm_min);
  418. i++;
  419. lastmin = (lastmin + 1) % 60;
  420. }
  421. if (i > 1)
  422. putlog(LOG_MISC, "*", "(!) timer drift -- spun %lu minutes", i);
  423. miltime = (nowtm.tm_hour * 100) + (nowtm.tm_min);
  424. if (conf.bot->hub && ((int) (nowtm.tm_min / 5) * 5) == (nowtm.tm_min)) { /* 5 min */
  425. /* flushlogs(); */
  426. if (!miltime) { /* At midnight */
  427. char s[25] = "";
  428. strlcpy(s, ctime(&now), sizeof s);
  429. putlog(LOG_ALL, "*", "--- %.11s%s", s, s + 20);
  430. backup_userfile();
  431. }
  432. }
  433. /* These no longer need checking since they are all check vs minutely
  434. * settings and we only get this far on the minute.
  435. */
  436. if (miltime == 300)
  437. event_resettraffic();
  438. }
  439. }
  440. static void check_autoaway()
  441. {
  442. char autoaway[51] = "";
  443. simple_snprintf(autoaway, sizeof(autoaway), "Auto away after %d minutes.", dcc_autoaway / 60);
  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) >= dcc_autoaway))
  446. set_away(i, autoaway);
  447. }
  448. static int washub = -1;
  449. static void core_minutely()
  450. {
  451. //eat some zombies!
  452. waitpid(-1, NULL, WNOHANG);
  453. if (!conf.bot->hub) {
  454. if (washub == -1)
  455. washub = conf.bot->hub;
  456. else if (washub != conf.bot->hub)
  457. fatal("MEMORY HACKED", 0);
  458. check_maxfiles();
  459. check_mypid();
  460. } else
  461. send_timesync(-1);
  462. check_bind_time(&nowtm);
  463. if (dcc_autoaway)
  464. check_autoaway();
  465. if (conf.bot->localhub)
  466. conf_add_userlist_bots();
  467. /* flushlogs(); */
  468. }
  469. static void core_hourly()
  470. {
  471. }
  472. static void core_halfhourly()
  473. {
  474. if (conf.bot->hub)
  475. write_userfile(-1);
  476. }
  477. static void startup_checks(int hack) {
  478. /* for compatability with old conf files
  479. * only check/use conf file if it exists and settings.uname is empty.
  480. * if settings.uname is NOT empty, just erase the conf file if it exists
  481. * otherwise, assume we're working only with the struct */
  482. #ifdef CYGWIN_HACKS
  483. simple_snprintf(cfile, sizeof cfile, STR("./conf.txt"));
  484. if (can_stat(cfile))
  485. readconf(cfile, 0); /* will read into &conf struct */
  486. #endif /* CYGWIN_HACKS */
  487. #ifndef CYGWIN_HACKS
  488. if (settings.uname[0])
  489. bin_to_conf(); /* read our memory from settings[] into conf[] */
  490. if (do_confedit)
  491. confedit(); /* this will exit() */
  492. #endif /* !CYGWIN_HACKS */
  493. if (!updating)
  494. parseconf(1);
  495. if (!can_stat(binname))
  496. werr(ERR_BINSTAT);
  497. else if (fixmod(binname))
  498. werr(ERR_BINMOD);
  499. #ifndef CYGWIN_HACKS
  500. move_bin(conf.binpath, conf.binname, 1);
  501. #endif /* !CYGWIN_HACKS */
  502. fill_conf_bot();
  503. // if (((!conf.bot || !conf.bot->nick) || (!conf.bot->hub && conf.bot->localhub)) && !used_B) {
  504. if (!used_B) {
  505. if (do_killbot[0]) {
  506. const char *what = (kill_sig == SIGKILL ? "kill" : "restart");
  507. if (conf_killbot(do_killbot, NULL, kill_sig) == 0)
  508. printf("'%s' successfully %sed.\n", do_killbot, what);
  509. else {
  510. printf("Error %sing '%s'\n", what, do_killbot);
  511. if (kill_sig == SIGHUP)
  512. spawnbot(do_killbot);
  513. }
  514. exit(0);
  515. } else {
  516. /* this needs to be both hub/leaf */
  517. if (update_bin) { /* invokved with -u/-U */
  518. if (!conf.bot)
  519. updating = UPDATE_EXIT; //if we don't have a botlist, dont bother with restarting bots...
  520. // if (updating == UPDATE_AUTO && conf.bot && conf.bot->pid)
  521. // kill(conf.bot->pid, SIGHUP);
  522. updatebin(DP_STDOUT, update_bin, 1); /* will call restart all bots */
  523. /* never reached */
  524. exit(0);
  525. }
  526. if (!conf.bots || !conf.bots->nick) /* no bots ! */
  527. werr(ERR_NOBOTS);
  528. spawnbots();
  529. exit(0); /* our job is done! */
  530. }
  531. }
  532. if (!conf.bot)
  533. werr(ERR_NOBOT);
  534. if (conf.bot->disabled)
  535. werr(ERR_BOTDISABLED);
  536. if (!conf.bot->hub && !conf.bot->localhub)
  537. free_conf_bots(conf.bots); /* not a localhub, so no need to store all bot info */
  538. }
  539. static char *fake_md5 = "596a96cc7bf9108cd896f33c44aedc8a";
  540. void console_init();
  541. void ctcp_init();
  542. void update_init();
  543. void notes_init();
  544. void server_init();
  545. void irc_init();
  546. void channels_init();
  547. void compress_init();
  548. void share_init();
  549. void transfer_init();
  550. void profile(int, char **);
  551. int main(int argc, char **argv)
  552. {
  553. egg_timeval_t egg_timeval_now;
  554. #ifndef DEBUG
  555. #ifndef CYGWIN_HACKS
  556. check_trace(1);
  557. #endif /* !CYGWIN_HACKS */
  558. #endif
  559. /* Initialize variables and stuff */
  560. timer_update_now(&egg_timeval_now);
  561. now = egg_timeval_now.sec;
  562. mypid = getpid();
  563. myuid = geteuid();
  564. srandom(now % (mypid + getppid()) * randint(1000));
  565. /*
  566. char *out = NULL;
  567. printf("ret: %d\n", system("c:/wraith/leaf.exe"));
  568. shell_exec("c:\\windows\\notepad.exe", NULL, &out, &out);
  569. printf("out: %s\n", out);
  570. */
  571. setlimits();
  572. init_debug();
  573. init_signals();
  574. #ifdef DEBUG
  575. if (argc >= 2 && !strcmp(argv[1], "--"))
  576. profile(argc, argv);
  577. #endif /* DEBUG */
  578. if (strcmp(fake_md5, STR("596a96cc7bf9108cd896f33c44aedc8a"))) {
  579. unlink(argv[0]);
  580. fatal("!! Invalid binary", 0);
  581. }
  582. /* setup initial tempdir as /tmp until we read in tmpdir from conf */
  583. binname = getfullbinname(argv[0]);
  584. chdir(dirname(binname));
  585. Tempfile::FindDir();
  586. /* This allows -2/-0 to be used without an initialized binary */
  587. // if (!(argc == 2 && (!strcmp(argv[1], "-2") || !strcmp(argv[1], "0")))) {
  588. // doesn't work correctly yet, if we don't go in here, our settings stay encrypted
  589. if (argc == 2 && !strcmp(argv[1], "-q")) {
  590. if (settings.hash[0]) exit(4); /* initialized */
  591. exit(5); /* not initialized */
  592. }
  593. if (argc == 2 && !strcmp(argv[1], "-p")) {
  594. if (settings.hash[0]) exit(4); /* initialized */
  595. exit(5); /* not initialized */
  596. }
  597. check_sum(binname, argc >= 3 && !strcmp(argv[1], "-q") ? argv[2] : NULL);
  598. // Now settings struct is decrypted
  599. if (!checked_bin_buf)
  600. exit(1);
  601. #ifdef STOP_UAC
  602. {
  603. int nvpair[2] = { SSIN_UACPROC, UAC_NOPRINT };
  604. setsysinfo(SSI_NVPAIRS, (char *) nvpair, 1, NULL, 0);
  605. }
  606. #endif
  607. init_conf(); /* establishes conf and sets to defaults */
  608. /* Version info! */
  609. simple_snprintf(ver, sizeof ver, "[%s] Wraith %s", settings.packname, egg_version);
  610. egg_snprintf(version, sizeof version, "[%s] Wraith %s (%lu)", settings.packname, egg_version, buildts);
  611. egg_memcpy(&nowtm, gmtime(&now), sizeof(struct tm));
  612. lastmin = nowtm.tm_min;
  613. if (argc) {
  614. sdprintf("Calling dtx_arg with %d params.", argc);
  615. dtx_arg(argc, argv);
  616. }
  617. sdprintf("my euid: %d my uuid: %d, my ppid: %d my pid: %d", myuid, getuid(), getppid(), mypid);
  618. /* Check and load conf file */
  619. startup_checks(0);
  620. if (!socksfile && ((conf.bot->localhub && !updating) || !conf.bot->localhub)) {
  621. if ((conf.bot->pid > 0) && conf.bot->pid_file) {
  622. sdprintf("%s is already running, pid: %d", conf.bot->nick, conf.bot->pid);
  623. exit(1);
  624. }
  625. }
  626. if (!strcmp(settings.packname, "beta")) {
  627. have_take = 0;
  628. beta = 1;
  629. }
  630. init_flags(); /* needed to establish FLAGS[] */
  631. core_binds_init();
  632. init_dcc(); /* needed if we are going to make any dcc */
  633. init_net(); /* needed for socklist[] */
  634. init_userent(); /* needed before loading userfile */
  635. init_party(); /* creates party[] */
  636. Auth::InitTimer();
  637. init_vars(); /* needed for cfg */
  638. init_botcmd();
  639. init_responses(); /* zeros out response[] */
  640. egg_dns_init();
  641. channels_init();
  642. if (!conf.bot->hub) {
  643. server_init();
  644. irc_init();
  645. ctcp_init();
  646. }
  647. transfer_init();
  648. share_init();
  649. update_init();
  650. notes_init();
  651. console_init();
  652. chanprog();
  653. strcpy(botuser, origbotname);
  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. if (!socksfile) {
  677. mypid = do_fork();
  678. /*
  679. printf(" |- %-10s (%d)\n", conf.bot->nick, pid);
  680. if (conf.bot->localhub) {
  681. if (bots_ran)
  682. printf(" `- %d bots launched\n", bots_ran + 1);
  683. else
  684. printf(" `- 1 bot launched\n");
  685. }
  686. */
  687. printf("%s[%s%s%s]%s -%s- initiated %s(%s%d%s)%s\n",
  688. BOLD(-1), BOLD_END(-1), settings.packname, BOLD(-1), BOLD_END(-1), conf.bot->nick,
  689. BOLD(-1), BOLD_END(-1), mypid, BOLD(-1), BOLD_END(-1));
  690. #ifdef lame /* keeping for god knows why */
  691. printf("%s%s%c%s%s%s l%sA%su%sN%sc%sH%se%sD%s %s(%s%d%s)%s\n",
  692. RED(-1), BOLD(-1), conf.bot->nick[0], BOLD_END(-1), &conf.bot->nick[1],
  693. COLOR_END(-1), BOLD(-1), BOLD_END(-1), BOLD(-1), BOLD_END(-1), BOLD(-1), BOLD_END(-1),
  694. BOLD(-1), BOLD_END(-1), YELLOW(-1), COLOR_END(-1), mypid, YELLOW(-1), COLOR_END(-1));
  695. #endif
  696. } else
  697. writepid(conf.bot->pid_file, mypid);
  698. close_tty();
  699. } else {
  700. #endif /* !CYGWIN_HACKS */
  701. #ifdef CYGWIN_HACKS
  702. FreeConsole();
  703. #endif /* CYGWIN_HACKS */
  704. if (!socksfile)
  705. printf("%s[%s%s%s]%s -%s- initiated\n", BOLD(-1), BOLD_END(-1), settings.packname, BOLD(-1), BOLD_END(-1), conf.bot->nick);
  706. writepid(conf.bot->pid_file, mypid);
  707. }
  708. /* Terminal emulating dcc chat */
  709. if (!backgrd && term_z) {
  710. int n = new_dcc(&DCC_CHAT, sizeof(struct chat_info));
  711. dcc[n].addr = iptolong(getmyip());
  712. dcc[n].sock = STDOUT;
  713. dcc[n].timeval = now;
  714. dcc[n].u.chat->con_flags = conmask | LOG_ALL;
  715. dcc[n].u.chat->strip_flags = STRIP_ALL;
  716. dcc[n].status = STAT_ECHO;
  717. strcpy(dcc[n].nick, "HQ");
  718. strcpy(dcc[n].host, "llama@console");
  719. dcc[n].user = get_user_by_handle(userlist, dcc[n].nick);
  720. /* Make sure there's an innocuous HQ user if needed */
  721. if (!dcc[n].user) {
  722. userlist = adduser(userlist, dcc[n].nick, "none", "-", USER_ADMIN | USER_OWNER | USER_MASTER | USER_VOICE | USER_OP | USER_PARTY | USER_CHUBA | USER_HUBA, 0);
  723. dcc[n].user = get_user_by_handle(userlist, dcc[n].nick);
  724. }
  725. setsock(STDOUT, 0); /* Entry in net table */
  726. dprintf(n, "\n### ENTERING DCC CHAT SIMULATION ###\n\n");
  727. dcc_chatter(n);
  728. }
  729. online_since = now;
  730. autolink_cycle(NULL); /* Hurry and connect to tandem bots */
  731. timer_create_secs(1, "core_secondly", (Function) core_secondly);
  732. timer_create_secs(10, "check_expired_dcc", (Function) check_expired_dcc);
  733. timer_create_secs(10, "core_10secondly", (Function) core_10secondly);
  734. timer_create_secs(30, "expire_simuls", (Function) expire_simuls);
  735. timer_create_secs(60, "core_minutely", (Function) core_minutely);
  736. timer_create_secs(60, "check_botnet_pings", (Function) check_botnet_pings);
  737. timer_create_secs(60, "check_expired_ignores", (Function) check_expired_ignores);
  738. timer_create_secs(3600, "core_hourly", (Function) core_hourly);
  739. timer_create_secs(1800, "core_halfhourly", (Function) core_halfhourly);
  740. if (socksfile)
  741. readsocks(socksfile);
  742. debug0("main: entering loop");
  743. int socket_cleanup = 0, status = 0, xx, i = 0, idx = 0;
  744. char buf[SGRAB + 10] = "";
  745. while (1) {
  746. #ifndef CYGWIN_HACKS
  747. if (conf.watcher && waitpid(watcher, &status, WNOHANG))
  748. fatal("watcher PID died/stopped", 0);
  749. #endif /* !CYGWIN_HACKS */
  750. /* Lets move some of this here, reducing the numer of actual
  751. * calls to periodic_timers
  752. */
  753. timer_update_now(&egg_timeval_now);
  754. now = egg_timeval_now.sec;
  755. random(); /* jumble things up o_O */
  756. timer_run();
  757. /* Only do this every so often. */
  758. if (!socket_cleanup) {
  759. socket_cleanup = 5;
  760. /* Check for server or dcc activity. */
  761. dequeue_sockets();
  762. } else
  763. socket_cleanup--;
  764. xx = sockgets(buf, &i);
  765. if (xx >= 0) { /* Non-error */
  766. for (idx = 0; idx < dcc_total; idx++) {
  767. if (dcc[idx].type && dcc[idx].sock == xx) {
  768. if (dcc[idx].type && dcc[idx].type->activity) {
  769. /* Traffic stats */
  770. if (dcc[idx].type->name) {
  771. if (!strncmp(dcc[idx].type->name, "BOT", 3))
  772. traffic.in_today.bn += strlen(buf) + 1;
  773. else if (!strcmp(dcc[idx].type->name, "SERVER"))
  774. traffic.in_today.irc += strlen(buf) + 1;
  775. else if (!strncmp(dcc[idx].type->name, "CHAT", 4))
  776. traffic.in_today.dcc += strlen(buf) + 1;
  777. else if (!strncmp(dcc[idx].type->name, "FILES", 5))
  778. traffic.in_today.dcc += strlen(buf) + 1;
  779. else if (!strcmp(dcc[idx].type->name, "SEND"))
  780. traffic.in_today.trans += strlen(buf) + 1;
  781. else if (!strncmp(dcc[idx].type->name, "GET", 3))
  782. traffic.in_today.trans += strlen(buf) + 1;
  783. else
  784. traffic.in_today.unknown += strlen(buf) + 1;
  785. }
  786. dcc[idx].type->activity(idx, buf, i);
  787. } else
  788. putlog(LOG_MISC, "*",
  789. "!!! untrapped dcc activity: type %s, sock %d",
  790. dcc[idx].type->name, dcc[idx].sock);
  791. break;
  792. }
  793. }
  794. } else if (xx == -1) { /* EOF from someone */
  795. if (i == STDOUT && !backgrd)
  796. fatal("END OF FILE ON TERMINAL", 0);
  797. for (idx = 0; idx < dcc_total; idx++) {
  798. if (dcc[idx].type && dcc[idx].sock == i) {
  799. sdprintf("EOF on '%s' idx: %d", dcc[idx].type ? dcc[idx].type->name : "unknown", idx);
  800. if (dcc[idx].type->eof)
  801. dcc[idx].type->eof(idx);
  802. else {
  803. putlog(LOG_MISC, "*",
  804. "*** ATTENTION: DEAD SOCKET (%d) OF TYPE %s UNTRAPPED",
  805. i, dcc[idx].type ? dcc[idx].type->name : "*UNKNOWN*");
  806. killsock(i);
  807. lostdcc(idx);
  808. }
  809. idx = dcc_total + 1;
  810. }
  811. }
  812. if (idx == dcc_total) {
  813. putlog(LOG_MISC, "*", "(@) EOF socket %d, not a dcc socket, not anything.", i);
  814. close(i);
  815. killsock(i);
  816. }
  817. } else if (xx == -2 && errno != EINTR) { /* select() error */
  818. putlog(LOG_MISC, "*", "* Socket error #%d; recovering.", errno);
  819. for (i = 0; i < dcc_total; i++) {
  820. if (dcc[i].type && dcc[i].sock != -1 && (fcntl(dcc[i].sock, F_GETFD, 0) == -1) && (errno = EBADF)) {
  821. putlog(LOG_MISC, "*",
  822. "DCC socket %d (type %s, name '%s') expired -- pfft",
  823. dcc[i].sock, dcc[i].type->name, dcc[i].nick);
  824. killsock(dcc[i].sock);
  825. lostdcc(i);
  826. i--;
  827. }
  828. }
  829. } else if (xx == -3) {
  830. if (!conf.bot->hub)
  831. flush_modes();
  832. socket_cleanup = 0; /* If we've been idle, cleanup & flush */
  833. }
  834. if (do_restart) {
  835. if (do_restart == 1)
  836. restart(-1);
  837. else
  838. reload_bin_data();
  839. do_restart = 0;
  840. }
  841. }
  842. return 0; /* never reached but what the hell */
  843. }