示例#1
0
文件: imap4d.c 项目: ssvlab/esbmc-gpu
int
main (int argc, char **argv)
{
  struct group *gr;
  int status = 0;
  static int sigtab[] = { SIGILL, SIGBUS, SIGFPE, SIGSEGV, SIGSTOP, SIGPIPE,
			  SIGABRT };

  imap4d_argc = argc;
  imap4d_argv = argv;
  
  /* Native Language Support */
  MU_APP_INIT_NLS ();

  state = STATE_NONAUTH;	/* Starting state in non-auth.  */

  MU_AUTH_REGISTER_ALL_MODULES ();
  /* Register the desired formats. */
  mu_register_local_mbox_formats ();
  
  imap4d_capability_init ();
#ifdef WITH_TLS
  mu_gocs_register ("tls", mu_tls_module_init);
#endif /* WITH_TLS */
#ifdef WITH_GSASL
  mu_gocs_register ("gsasl", mu_gsasl_module_init);
#endif
  mu_tcpwrapper_cfg_init ();
  mu_acl_cfg_init ();
  mu_m_server_cfg_init ();
  
  mu_argp_init (program_version, NULL);

  mu_m_server_create (&server, program_version);
  mu_m_server_set_conn (server, imap4d_connection);
  mu_m_server_set_prefork (server, mu_tcp_wrapper_prefork);
  mu_m_server_set_mode (server, MODE_INTERACTIVE);
  mu_m_server_set_max_children (server, 20);
  /* FIXME mu_m_server_set_pidfile (); */
  mu_m_server_set_default_port (server, 143);
  mu_m_server_set_timeout (server, 1800);  /* RFC2060: 30 minutes. */
  mu_m_server_set_strexit (server, mu_strexit);
  
  if (mu_app_init (&argp, imap4d_capa, imap4d_cfg_param, 
		   argc, argv, 0, NULL, server))
    exit (EX_CONFIG); /* FIXME: No way to discern from EX_USAGE? */

  if (login_disabled)
    imap4d_capability_add (IMAP_CAPA_LOGINDISABLED);
#ifdef WITH_TLS
  if (tls_required)
    imap4d_capability_add (IMAP_CAPA_XTLSREQUIRED);
#endif

  namespace_init ();
  
  auth_gssapi_init ();
  auth_gsasl_init ();

#ifdef USE_LIBPAM
  if (!mu_pam_service)
    mu_pam_service = "gnu-imap4d";
#endif

  if (mu_m_server_mode (server) == MODE_DAEMON)
    {
      /* Normal operation: */
      /* First we want our group to be mail so we can access the spool.  */
      errno = 0;
      gr = getgrnam ("mail");
      if (gr == NULL)
	{
	  if (errno == 0 || errno == ENOENT)
            {
               mu_error (_("%s: no such group"), "mail");
               exit (EX_CONFIG);
            }
          else
            {
	      mu_diag_funcall (MU_DIAG_ERROR, "getgrnam", "mail", errno);
	      exit (EX_OSERR);
            }
	}

      if (setgid (gr->gr_gid) == -1)
	{
	  mu_error (_("error setting mail group: %s"), mu_strerror (errno));
	  exit (EX_OSERR);
	}
    }

  /* Set the signal handlers.  */
  mu_set_signals (imap4d_master_signal, sigtab, MU_ARRAY_SIZE (sigtab));

  /* Set up for syslog.  */
  openlog (MU_LOG_TAG (), LOG_PID, mu_log_facility);

  /* Redirect any stdout error from the library to syslog, they
     should not go to the client.  */
  {
    mu_debug_t debug;

    mu_diag_get_debug (&debug);
    mu_debug_set_print (debug, mu_diag_syslog_printer, NULL);

    mu_debug_default_printer = mu_debug_syslog_printer;
  }

  umask (S_IROTH | S_IWOTH | S_IXOTH);	/* 007 */

  /* Check TLS environment, i.e. cert and key files */
#ifdef WITH_TLS
  starttls_init ();
#endif /* WITH_TLS */

  /* Actually run the daemon.  */
  if (mu_m_server_mode (server) == MODE_DAEMON)
    {
      mu_m_server_begin (server);
      status = mu_m_server_run (server);
      mu_m_server_end (server);
      mu_m_server_destroy (&server);
    }
  else
    {
      /* Make sure we are in the root directory.  */
      chdir ("/");
      status = imap4d_mainloop (fileno (stdin), stdin, stdout);
    }

  if (status)
    mu_error (_("main loop status: %s"), mu_strerror (status));	  
  /* Close the syslog connection and exit.  */
  closelog ();

  return status ? EX_SOFTWARE : EX_OK;
}
示例#2
0
int
main (int argc, char **argv)
{
  struct group *gr;
  int status = OK;
  static int sigtab[] = { SIGILL, SIGBUS, SIGFPE, SIGSEGV, SIGSTOP, SIGPIPE };

  /* Native Language Support */
  MU_APP_INIT_NLS ();

  MU_AUTH_REGISTER_ALL_MODULES();
  /* Register the desired formats.  */
  mu_register_local_mbox_formats ();

#ifdef WITH_TLS
  mu_gocs_register ("tls", mu_tls_module_init);
#endif /* WITH_TLS */
  mu_tcpwrapper_cfg_init ();
  manlock_cfg_init ();
  mu_acl_cfg_init ();
  mu_m_server_cfg_init (pop3d_srv_param);
  
  mu_argp_init (NULL, NULL);
  	
  mu_m_server_create (&server, program_version);
  mu_m_server_set_config_size (server, sizeof (struct pop3d_srv_config));
  mu_m_server_set_conn (server, pop3d_connection);
  mu_m_server_set_prefork (server, mu_tcp_wrapper_prefork);
  mu_m_server_set_mode (server, MODE_INTERACTIVE);
  mu_m_server_set_max_children (server, 20);
  /* FIXME mu_m_server_set_pidfile (); */
  mu_m_server_set_default_port (server, 110);
  mu_m_server_set_timeout (server, 600);
  mu_m_server_set_strexit (server, mu_strexit);

  mu_alloc_die_hook = pop3d_alloc_die;

  mu_log_syslog = 1;
  manlock_mandatory_locking = 1;

#ifdef ENABLE_DBM
  set_dbm_safety ();
#endif
  
  if (mu_app_init (&argp, pop3d_argp_capa, pop3d_cfg_param, 
		   argc, argv, 0, NULL, server))
    exit (EX_CONFIG); /* FIXME: No way to discern from EX_USAGE? */

  if (expire == 0)
    expire_on_exit = 1;

#ifdef USE_LIBPAM
  if (!mu_pam_service)
    mu_pam_service = "gnu-pop3d";
#endif

  if (mu_m_server_mode (server) == MODE_INTERACTIVE && isatty (0))
    {
      /* If input is a tty, switch to debug mode */
      debug_mode = 1;
    }
  else
    {
      errno = 0;
      gr = getgrnam ("mail");
      if (gr == NULL)
	{
	  if (errno == 0 || errno == ENOENT)
            {
               mu_error (_("%s: no such group"), "mail");
               exit (EX_CONFIG);
            }
          else
            {
	      mu_diag_funcall (MU_DIAG_ERROR, "getgrnam", "mail", errno);
	      exit (EX_OSERR);
            }
	}

      if (setgid (gr->gr_gid) == -1)
	{
	  mu_error (_("error setting mail group: %s"), mu_strerror (errno));
	  exit (EX_OSERR);
	}
    }

  /* Set the signal handlers.  */
  mu_set_signals (pop3d_master_signal, sigtab, MU_ARRAY_SIZE (sigtab));

  mu_stdstream_strerr_setup (mu_log_syslog ?
			     MU_STRERR_SYSLOG : MU_STRERR_STDERR);
  
  umask (S_IROTH | S_IWOTH | S_IXOTH);	/* 007 */

  /* Check TLS environment, i.e. cert and key files */
#ifdef WITH_TLS
  tls_available = mu_check_tls_environment ();
  if (tls_available)
    enable_stls ();
#endif /* WITH_TLS */

  /* Actually run the daemon.  */
  if (mu_m_server_mode (server) == MODE_DAEMON)
    {
      mu_m_server_begin (server);
      status = mu_m_server_run (server);
      mu_m_server_end (server);
      mu_m_server_destroy (&server);
    }
  else
    {
      /* Make sure we are in the root directory.  */
      chdir ("/");
      status = pop3d_mainloop (MU_STDIN_FD, MU_STDOUT_FD, tls_mode);
    }
  
  if (status)
    mu_error (_("main loop status: %s"), mu_strerror (status));	  
  /* Close the syslog connection and exit.  */
  closelog ();
  return status ? EX_SOFTWARE : EX_OK;
}