Пример #1
0
/* We don't allow the use of kpwvalid executable scripts to set policy
 * for passwd changes.
 */
int
init_child(char *myname)
{

    using_child = 0;
    return using_child;

}
#else /* !NT40 */
int
init_child(char *myname)
{
    int pipe1[2], pipe2[2];
    pid_t pid;
    char dirpath[1024];
    char *argv[2];

    if (!(find_me(myname, dirpath) && is_secure(dirpath)
	  && kpwvalid_is(dirpath))) {
	using_child = 0;
	return 0;
    }

    /* make a couple of pipes, one for the child's stdin, and the other
     * for the child's stdout.  The parent writes to the former, and
     * reads from the latter, the child reads from the former, and
     * writes to the latter.
     */
    pipe(pipe1);
    pipe(pipe2);

    /* fork a child */
    pid = fork();
    if (pid == -1) {
	using_child = 0;
	perror("kpasswd: can't fork because ");
	return (using_child);
    }
    if (pid == 0) {		/* in child process */
	/* tie stdin and stdout to these pipes */
	/* if dup2 doesn't exist everywhere, close and then dup, but make */
	/* sure that you really get stdin or stdout from the dup. */
	if ((-1 == dup2(pipe1[0], 0)) || (-1 == dup2(pipe2[1], 1))) {
	    perror("kpasswd: can't exec kpwvalid because ");
	    exit(-1);
	}

	strcat(dirpath, "/kpwvalid");
	argv[1] = NULL;
	argv[0] = dirpath;
	execv(dirpath, argv);
	return 0;
    } else {
	using_child = pid;	/* save it for later */
	childin = fdopen(pipe1[1], "w");
	childout = fdopen(pipe2[0], "r");
	return (using_child);
    }
}
Пример #2
0
int main(int argc, char *argv[])
{
  time_t      delay = 0;
  aConfItem*  aconf;
  
  if(geteuid() == 0)
  {
  	fprintf(stderr, "ERROR: Don't run ircd as root!\n");
  	return -1;
  }

  /*
   * save server boot time right away, so getrusage works correctly
   */
  if ((CurrentTime = time(0)) == -1)
    {
      fprintf(stderr, "ERROR: Clock Failure: %s\n", strerror(errno));
      exit(errno);
    }

  /*
   * Setup corefile size immediately after boot
   */
  setup_corefile();

  /* 
   * set initialVMTop before we allocate any memory
   */
  initialVMTop = get_vm_top();

  /*
   * Initialize the Blockheap allocator
   */
  initBlockHeap();

  ServerRunning = 0;
  memset(&me, 0, sizeof(me));
  GlobalClientList = &me;       /* Pointer to beginning of Client list */
  cold_start = YES;             /* set when server first starts up */

  memset(&Count, 0, sizeof(Count));
  Count.server = 1;     /* us */

  initialize_global_set_options();

#ifdef REJECT_HOLD
  reject_held_fds = 0;
#endif

  ConfigFileEntry.dpath = DPATH;

  ConfigFileEntry.configfile = CPATH;   /* Server configuration file */

#ifdef KPATH
  ConfigFileEntry.klinefile = KPATH;         /* Server kline file */
#else
  ConfigFileEntry.klinefile = CPATH;
#endif /* KPATH */

#ifdef DLPATH
  ConfigFileEntry.dlinefile = DLPATH;
#else
  ConfigFileEntry.dlinefile = CPATH;
#endif /* DLPATH */

#ifdef GLINES
  ConfigFileEntry.glinefile = GLINEFILE;
#endif

#ifdef  ZIP_LINKS
  /* Make sure the include files match the library version number. */
  /* configure takes care of looking for zlib and zlibVersion(). */
  if (strcmp(zlibVersion(), ZLIB_VERSION) != 0)
  {
    fprintf(stderr, "WARNING: zlib include files differ from library.\n");
    fprintf(stderr, "WARNING: ZIPLINKS may fail!\n");
    fprintf(stderr, "WARNING: library %s, include files %s\n",
            zlibVersion(), ZLIB_VERSION);
  }
#endif

  myargv = argv;
  umask(077);                /* better safe than sorry --SRB */

  parse_command_line(argc, argv); 

  if (chdir(ConfigFileEntry.dpath))
    {
      perror("chdir");
      exit(-1);
    }

  /*
   * Check if daemon is already running
   */
  check_pidfile();

  init_sys(bootDaemon);
  init_log(logFileName);

  setup_signals();
  initialize_message_files();

  isupport = make_isupport();

  dbuf_init();  /* set up some dbuf stuff to control paging */
  init_hash();

  clear_scache_hash_table();    /* server cache name table */
  clear_ip_hash_table();        /* client host ip hash table */
  clear_Dline_table();          /* d line tree */
  initlists();
  initclass();
  initwhowas();
  init_stats();
  init_tree_parse(msgtab);      /* tree parse code (orabidoo) */

  fdlist_init();
  init_netio();

  read_conf_files(YES);         /* cold start init conf files */

  aconf = find_me();
  if (EmptyString(me.name))
    strncpy_irc(me.name, aconf->host, HOSTLEN);
  strncpy_irc(me.host, aconf->host, HOSTLEN);

  me.fd = -1;
  me.from = &me;
  me.servptr = &me;
  SetMe(&me);
  make_server(&me);

  me.serv->up = me.name;
  me.lasttime = me.since = me.firsttime = CurrentTime;
  add_to_client_hash_table(me.name, &me);
  
  check_class();
  write_pidfile();

  log(L_NOTICE, "Server Ready");

  ServerRunning = 1;
  while (ServerRunning) {
    usleep(100000);
    do_adns_io();
    delay = io_loop(delay);
    do_adns_io();

  }
  return 0;
}
Пример #3
0
int
main(int argc, char *argv[])
{
   uid_t         uid, euid;
   int           portarg = 0,  fd;
#ifdef SAVE_MAXCLIENT_STATS
   FILE 	*mcsfp;
#endif

   memset(&me, 0, sizeof(aClient));
	
   if ((timeofday = time(NULL)) == -1) 
   {
      (void) fprintf(stderr, "ERROR: Clock Failure (%d)\n", errno);
      exit(errno);
   }
	
   build_version();
	
   Count.server = 1;		/* us */
   Count.oper = 0;
   Count.chan = 0;
   Count.local = 0;
   Count.total = 0;
   Count.invisi = 0;
   Count.unknown = 0;
   Count.max_loc = 0;
   Count.max_tot = 0;
   Count.today = 0;
   Count.weekly = 0;
   Count.monthly = 0;
   Count.yearly = 0;
   Count.start = NOW;
   Count.day = NOW;
   Count.week = NOW;
   Count.month = NOW;
   Count.year = NOW;

#ifdef SAVE_MAXCLIENT_STATS
	mcsfp=fopen(DPATH "/.maxclients", "r");
	if(mcsfp!=NULL) {
		fscanf(mcsfp, "%d %d %li %li %li %ld %ld %ld %ld", &Count.max_loc, 
			&Count.max_tot, &Count.weekly, &Count.monthly, &Count.yearly, 
			&Count.start, &Count.week, &Count.month, &Count.year);
		fclose(mcsfp);
	}
#endif
	

	
   /*
    * this code by [email protected] 
    * it is intended to keep the ircd from being swapped out. BSD
    * swapping criteria do not match the requirements of ircd
    */
	
#ifdef INITIAL_DBUFS
   dbuf_init();			/* set up some dbuf stuff to control paging */
#endif

   sbrk0 = (char *) sbrk((size_t) 0);
   uid = getuid();
   euid = geteuid();
#ifdef	PROFIL
   (void) monstartup(0, etext);
   (void) moncontrol(1);
   (void) signal(SIGUSR1, s_monitor);
#endif
	
   myargv = argv;
   (void) umask(077);		/* better safe than sorry --SRB  */
   memset((char *) &me, '\0', sizeof(me));
	
   setup_signals();
   /*
    * * All command line parameters have the syntax "-fstring"  or "-f
    * string" (e.g. the space is optional). String may  be empty. Flag
    * characters cannot be concatenated (like "-fxyz"), it would
    * conflict with the form "-fstring".
    */
   while (--argc > 0 && (*++argv)[0] == '-') 
   {
	char       *p = argv[0] + 1;
	int         flag = *p++;
		
        if (flag == '\0' || *p == '\0') 
	{
	   if (argc > 1 && argv[1][0] != '-') 
	   {
		p = *++argv;
		argc -= 1;
	   }
	   else
		p = "";
	   }
		
      switch (flag) 
      {
		 case 'a':
			bootopt |= BOOT_AUTODIE;
			break;
		 case 'c':
			bootopt |= BOOT_CONSOLE;
			break;
		 case 'q':
			bootopt |= BOOT_QUICK;
			break;
		 case 'd':
			(void) setuid((uid_t) uid);
			dpath = p;
			break;
		 case 'o':		/* Per user local daemon... */
			(void) setuid((uid_t) uid);
			bootopt |= BOOT_OPER;
			break;
#ifdef CMDLINE_CONFIG
		 case 'f':
			(void) setuid((uid_t) uid);
			configfile = p;
			break;
			
# ifdef KPATH
		 case 'k':
			(void) setuid((uid_t) uid);
			klinefile = p;
			break;
# endif
			
#endif
		 case 'h':
			strncpyzt(me.name, p, sizeof(me.name));
			break;
		 case 'i':
			bootopt |= BOOT_INETD | BOOT_AUTODIE;
			break;
		 case 'p':
			if ((portarg = atoi(p)) > 0)
			  portnum = portarg;
			break;
		 case 's':
			bootopt |= BOOT_STDERR;
			break;
		 case 't':
			(void) setuid((uid_t) uid);
			bootopt |= BOOT_TTY;
			break;
		 case 'v':
			(void) printf("ircd %s\n", version);
			exit(0);
		 case 'x':
#ifdef	DEBUGMODE
			(void) setuid((uid_t) uid);
			debuglevel = atoi(p);
			debugmode = *p ? p : "0";
			bootopt |= BOOT_DEBUG;
			break;
#else
			(void) fprintf(stderr,
				"%s: DEBUGMODE must be defined for -x y\n",
								myargv[0]);
			exit(0);
#endif
		 default:
			bad_command();
			break;
      }
   }
	
   if (chdir(dpath)) 
   {
      perror("chdir");
      exit(-1);
   }
   if ((uid != euid) && !euid) 
   {
      (void) fprintf(stderr,
	"ERROR: do not run ircd setuid root. Make it setuid a normal user.\n");
      exit(-1);
   }
	
   if (argc > 0)
	  return bad_command();	/* This should exit out  */
   initialize_ssl();

   motd = (aMotd *) NULL;
   helpfile = (aMotd *) NULL;
   motd_tm = NULL;
#ifdef SHORT_MOTD
   shortmotd = NULL;
#endif
	
   read_motd(MOTD);
   read_help(HELPFILE);
#ifdef SHORT_MOTD
   read_shortmotd(SHORTMOTD);
#endif
	
   clear_client_hash_table();
   clear_channel_hash_table();
   clear_scache_hash_table();	/* server cache name table */
   clear_ip_hash_table();	/* client host ip hash table */

   initlists();
   initclass();
   initwhowas();
   initstats();
   init_tree_parse(msgtab);
   init_send();
   NOW = time(NULL);
   open_debugfile();
   NOW = time(NULL);
   init_fdlist(&serv_fdlist);
   init_fdlist(&oper_fdlist);
   init_fdlist(&listen_fdlist);
	
#ifndef NO_PRIORITY
   init_fdlist(&busycli_fdlist);
#endif
	
   init_fdlist(&default_fdlist);
	  {
		  int i;
		  
		  for (i = MAXCONNECTIONS + 1; i > 0; i--) 
		  {
			  default_fdlist.entry[i] = i - 1;
		  }
	  }

   if ((timeofday = time(NULL)) == -1) 
   {
#ifdef USE_SYSLOG
      syslog(LOG_WARNING, "Clock Failure (%d), TS can be corrupted", errno);
#endif
      sendto_ops("Clock Failure (%d), TS can be corrupted", errno);
   }

#ifdef WINGATE_NOTICE
   strcpy(ProxyMonURL, "http://");
   strncpyzt((ProxyMonURL + 7), DEFAULT_PROXY_INFO_URL, (TOPICLEN + 1) - 7);
   strncpyzt(ProxyMonHost, MONITOR_HOST, (HOSTLEN + 1));
#endif
	
   if (portnum < 0)
	  portnum = PORTNUM;
   me.port = portnum;
   (void) init_sys();
   me.flags = FLAGS_LISTEN;
#ifndef _WIN32
   if (bootopt & BOOT_INETD) 
   {
      me.fd = 0;
      local[0] = &me;
      me.flags = FLAGS_LISTEN;
   }
   else
#endif
	  me.fd = -1;
	
#ifdef USE_SYSLOG
# define SYSLOG_ME     "ircd"
   openlog(SYSLOG_ME, LOG_PID | LOG_NDELAY, LOG_FACILITY);
#endif
   if ((fd = openconf(configfile)) == -1) 
   {
      Debug((DEBUG_FATAL, "Failed in reading configuration file %s",
				 configfile));
      (void) printf("Couldn't open configuration file %s\n",
						  configfile);
      exit(-1);
   }
   (void) initconf(bootopt, fd);
	
   /* comstuds SEPARATE_QUOTE_KLINES_BY_DATE code */
#ifdef SEPARATE_QUOTE_KLINES_BY_DATE
	  {
		  struct tm  *tmptr;
		  char        timebuffer[20], filename[200];
		  
		  tmptr = localtime(&NOW);
		  (void) strftime(timebuffer, 20, "%y%m%d", tmptr);
		  ircsprintf(filename, "%s.%s", klinefile, timebuffer);
		  if ((fd = openconf(filename)) == -1) 
		  {
			  Debug((DEBUG_ERROR, "Failed reading kline file %s",
						filename));
			  (void) printf("Couldn't open kline file %s\n",
								 filename);
		  }
		  else
			 (void) initconf(0, fd);
	  }
#else
# ifdef KPATH
   if ((fd = openconf(klinefile)) == -1) 
   {
      Debug((DEBUG_ERROR, "Failed reading kline file %s", klinefile));
      (void) printf("Couldn't open kline file %s\n", klinefile);
   }
   else
	  (void) initconf(0, fd);
# endif
#endif
   if (!(bootopt & BOOT_INETD)) 
   {
		static char star[] = "*";
		aConfItem  *aconf;
		u_long      vaddr;
		
      if ((aconf = find_me()) && portarg <= 0 && aconf->port > 0)
		  portnum = aconf->port;

      Debug((DEBUG_ERROR, "Port = %d", portnum));

      if ((aconf->passwd[0] != '\0') && (aconf->passwd[0] != '*'))
		  vaddr = inet_addr(aconf->passwd);
      else
		  vaddr = (u_long) NULL;
		
      if (inetport(&me, star, portnum, vaddr)) 
      {
			if (bootopt & BOOT_STDERR)
			  fprintf(stderr, "Couldn't bind to primary port %d\n", portnum);
#ifdef USE_SYSLOG
			(void) syslog(LOG_CRIT, "Couldn't bind to primary port %d\n", portnum);
#endif
			exit(1);
      }
   }
   else if (inetport(&me, "*", 0, 0)) 
   {
      if (bootopt & BOOT_STDERR)
		  fprintf(stderr, "Couldn't bind to port passed from inetd\n");
#ifdef USE_SYSLOG
      (void) syslog(LOG_CRIT, "Couldn't bind to port passed from inetd\n");
#endif
      exit(1);
   }
	
   (void) get_my_name(&me, me.sockhost, sizeof(me.sockhost) - 1);
   if (me.name[0] == '\0')
	  strncpyzt(me.name, me.sockhost, sizeof(me.name));
   me.hopcount = 0;
   me.authfd = -1;
   me.confs = NULL;
   me.next = NULL;
   me.user = NULL;
   me.from = &me;
   SetMe(&me);
   make_server(&me);
   me.serv->up = me.name;
   me.lasttime = me.since = me.firsttime = NOW;
   (void) add_to_client_hash_table(me.name, &me);
	
   /* We don't want to calculate these every time they are used :) */
	
   sprintf(REPORT_DO_DNS, REPORT_DO_DNS_, me.name);
   sprintf(REPORT_FIN_DNS, REPORT_FIN_DNS_, me.name);
   sprintf(REPORT_FIN_DNSC, REPORT_FIN_DNSC_, me.name);
   sprintf(REPORT_FAIL_DNS, REPORT_FAIL_DNS_, me.name);
   sprintf(REPORT_DO_ID, REPORT_DO_ID_, me.name);
   sprintf(REPORT_FIN_ID, REPORT_FIN_ID_, me.name);
   sprintf(REPORT_FAIL_ID, REPORT_FAIL_ID_, me.name);
   R_do_dns = strlen(REPORT_DO_DNS);
   R_fin_dns = strlen(REPORT_FIN_DNS);
   R_fin_dnsc = strlen(REPORT_FIN_DNSC);
   R_fail_dns = strlen(REPORT_FAIL_DNS);
   R_do_id = strlen(REPORT_DO_ID);
   R_fin_id = strlen(REPORT_FIN_ID);
   R_fail_id = strlen(REPORT_FAIL_ID);
	
   check_class();
   if (bootopt & BOOT_OPER) 
   {
      aClient    *tmp = add_connection(&me, 0);
		
      if (!tmp)
		  exit(1);
      SetMaster(tmp);
   }
   else
	  write_pidfile();
	
   Debug((DEBUG_NOTICE, "Server ready..."));
#ifdef USE_SYSLOG
   syslog(LOG_NOTICE, "Server Ready");
#endif
   NOW = time(NULL);
	
#ifndef NO_PRIORITY
   check_fdlists();
#endif
	
   if ((timeofday = time(NULL)) == -1) 
   {
#ifdef USE_SYSLOG
      syslog(LOG_WARNING, "Clock Failure (%d), TS can be corrupted", errno);
#endif
      sendto_ops("Clock Failure (%d), TS can be corrupted", errno);
   }

#ifdef DUMP_DEBUG
   dumpfp=fopen("dump.log", "w");
#endif

   io_loop();
   return 0;
}