u8 csi_init(u32 base_address)
{
    csi_error_t e = SUCCESS;
    do
    {
        if (csi_core_initialized == 0)
        {
            access_init((u32*)base_address);
            if (csi_core_read(VERSION) == (u32)(CURRENT_VERSION))
            {
                csi_core_initialized = 1;
                break;
            }
            else
            {
                LOG_ERROR("Driver not compatible with core");
                e = ERR_NOT_COMPATIBLE;
                break;
            }
        }
        else
        {
            LOG_ERROR("driver already initialised");
            e = ERR_ALREADY_INIT;
            break;
        }

    } while(0);
    return e;
}
Ejemplo n.º 2
0
static int mac_selinux_access_init(sd_bus_error *error) {
        int r;

        if (initialized)
                return 0;

        if (!mac_selinux_use())
                return 0;

        r = access_init();
        if (r < 0)
                return sd_bus_error_set(error, SD_BUS_ERROR_ACCESS_DENIED, "Failed to initialize SELinux.");

        initialized = true;
        return 0;
}
Ejemplo n.º 3
0
static int selinux_access_init(DBusError *error) {
        int r;

        if (initialized)
                return 0;

        if (use_selinux()) {
                r = access_init();
                if (r < 0) {
                        dbus_set_error(error, DBUS_ERROR_ACCESS_DENIED, "Failed to initialize SELinux.");
                        return r;
                }
        }

        initialized = true;
        return 0;
}
Ejemplo n.º 4
0
int
main(int argc, char **argv)
{
  int i;
  sigset_t set;
#if ENABLE_MPEGTS
  uint32_t adapter_mask = 0;
#endif
  int  log_level   = LOG_INFO;
  int  log_options = TVHLOG_OPT_MILLIS | TVHLOG_OPT_STDERR | TVHLOG_OPT_SYSLOG;
  const char *log_debug = NULL, *log_trace = NULL;
  gid_t gid = -1;
  uid_t uid = -1;
  char buf[512];
  FILE *pidfile = NULL;
  extern int dvb_bouquets_parse;

  main_tid = pthread_self();

  /* Setup global mutexes */
  pthread_mutex_init(&fork_lock, NULL);
  pthread_mutex_init(&global_lock, NULL);
  pthread_mutex_init(&tasklet_lock, NULL);
  pthread_mutex_init(&atomic_lock, NULL);
  pthread_cond_init(&gtimer_cond, NULL);
  pthread_cond_init(&tasklet_cond, NULL);
  TAILQ_INIT(&tasklets);

  /* Defaults */
  tvheadend_webui_port      = 9981;
  tvheadend_webroot         = NULL;
  tvheadend_htsp_port       = 9982;
  tvheadend_htsp_port_extra = 0;
  time(&dispatch_clock);

  /* Command line options */
  int         opt_help         = 0,
              opt_version      = 0,
              opt_fork         = 0,
              opt_firstrun     = 0,
              opt_stderr       = 0,
              opt_syslog       = 0,
              opt_nosyslog     = 0,
              opt_uidebug      = 0,
              opt_abort        = 0,
              opt_noacl        = 0,
              opt_fileline     = 0,
              opt_threadid     = 0,
              opt_libav        = 0,
              opt_ipv6         = 0,
              opt_satip_rtsp   = 0,
#if ENABLE_TSFILE
              opt_tsfile_tuner = 0,
#endif
              opt_dump         = 0,
              opt_xspf         = 0,
              opt_dbus         = 0,
              opt_dbus_session = 0,
              opt_nobackup     = 0,
              opt_nobat        = 0;
  const char *opt_config       = NULL,
             *opt_user         = NULL,
             *opt_group        = NULL,
             *opt_logpath      = NULL,
             *opt_log_debug    = NULL,
             *opt_log_trace    = NULL,
             *opt_pidpath      = "/var/run/tvheadend.pid",
#if ENABLE_LINUXDVB
             *opt_dvb_adapters = NULL,
#endif
             *opt_bindaddr     = NULL,
             *opt_subscribe    = NULL,
             *opt_user_agent   = NULL;
  str_list_t  opt_satip_xml    = { .max = 10, .num = 0, .str = calloc(10, sizeof(char*)) };
  str_list_t  opt_tsfile       = { .max = 10, .num = 0, .str = calloc(10, sizeof(char*)) };
  cmdline_opt_t cmdline_opts[] = {
    {   0, NULL,        N_("Generic Options"),         OPT_BOOL, NULL         },
    { 'h', "help",      N_("Show this page"),          OPT_BOOL, &opt_help    },
    { 'v', "version",   N_("Show version information"),OPT_BOOL, &opt_version },

    {   0, NULL,        N_("Service Configuration"),   OPT_BOOL, NULL         },
    { 'c', "config",    N_("Alternate config path"),   OPT_STR,  &opt_config  },
    { 'B', "nobackup",  N_("Don't backup config tree at upgrade"), OPT_BOOL, &opt_nobackup },
    { 'f', "fork",      N_("Fork and run as daemon"),  OPT_BOOL, &opt_fork    },
    { 'u', "user",      N_("Run as user"),             OPT_STR,  &opt_user    },
    { 'g', "group",     N_("Run as group"),            OPT_STR,  &opt_group   },
    { 'p', "pid",       N_("Alternate pid path"),      OPT_STR,  &opt_pidpath },
    { 'C', "firstrun",  N_("If no user account exists then create one with\n"
	                   "no username and no password. Use with care as\n"
	                   "it will allow world-wide administrative access\n"
	                   "to your Tvheadend installation until you edit/create\n"
	                   "access-control from within the Tvheadend UI"),
      OPT_BOOL, &opt_firstrun },
#if ENABLE_DBUS_1
    { 'U', "dbus",      N_("Enable DBus"),
      OPT_BOOL, &opt_dbus },
    { 'e', "dbus_session", N_("DBus - use the session message bus instead system one"),
      OPT_BOOL, &opt_dbus_session },
#endif
#if ENABLE_LINUXDVB
    { 'a', "adapters",  N_("Only use specified DVB adapters (comma separated)"),
      OPT_STR, &opt_dvb_adapters },
#endif
#if ENABLE_SATIP_SERVER
    {   0, "satip_rtsp", N_("SAT>IP RTSP port number for server\n"
                            "(default: -1 = disable, 0 = webconfig, standard port is 554)"),
      OPT_INT, &opt_satip_rtsp },
#endif
#if ENABLE_SATIP_CLIENT
    {   0, "satip_xml", N_("URL with the SAT>IP server XML location"),
      OPT_STR_LIST, &opt_satip_xml },
#endif
    {   0, NULL,         N_("Server Connectivity"),    OPT_BOOL, NULL         },
    { '6', "ipv6",       N_("Listen on IPv6"),         OPT_BOOL, &opt_ipv6    },
    { 'b', "bindaddr",   N_("Specify bind address"),   OPT_STR,  &opt_bindaddr},
    {   0, "http_port",  N_("Specify alternative http port"),
      OPT_INT, &tvheadend_webui_port },
    {   0, "http_root",  N_("Specify alternative http webroot"),
      OPT_STR, &tvheadend_webroot },
    {   0, "htsp_port",  N_("Specify alternative htsp port"),
      OPT_INT, &tvheadend_htsp_port },
    {   0, "htsp_port2", N_("Specify extra htsp port"),
      OPT_INT, &tvheadend_htsp_port_extra },
    {   0, "useragent",  N_("Specify User-Agent header for the http client"),
      OPT_STR, &opt_user_agent },
    {   0, "xspf",       N_("Use XSPF playlist instead of M3U"),
      OPT_BOOL, &opt_xspf },

    {   0, NULL,        N_("Debug Options"),           OPT_BOOL, NULL         },
    { 'd', "stderr",    N_("Enable debug on stderr"),  OPT_BOOL, &opt_stderr  },
    { 's', "syslog",    N_("Enable debug to syslog"),  OPT_BOOL, &opt_syslog  },
    { 'S', "nosyslog",  N_("Disable syslog (all msgs)"), OPT_BOOL, &opt_nosyslog },
    { 'l', "logfile",   N_("Enable debug to file"),    OPT_STR,  &opt_logpath },
    {   0, "debug",     N_("Enable debug subsystems"),  OPT_STR,  &opt_log_debug },
#if ENABLE_TRACE
    {   0, "trace",     N_("Enable trace subsystems"), OPT_STR,  &opt_log_trace },
#endif
    {   0, "fileline",  N_("Add file and line numbers to debug"), OPT_BOOL, &opt_fileline },
    {   0, "threadid",  N_("Add the thread ID to debug"), OPT_BOOL, &opt_threadid },
#if ENABLE_LIBAV
    {   0, "libav",     N_("More verbose libav log"),  OPT_BOOL, &opt_libav },
#endif
    {   0, "uidebug",   N_("Enable webUI debug (non-minified JS)"), OPT_BOOL, &opt_uidebug },
    { 'A', "abort",     N_("Immediately abort"),       OPT_BOOL, &opt_abort   },
    { 'D', "dump",      N_("Enable coredumps for daemon"), OPT_BOOL, &opt_dump },
    {   0, "noacl",     N_("Disable all access control checks"),
      OPT_BOOL, &opt_noacl },
    {   0, "nobat",     N_("Disable DVB bouquets"),
      OPT_BOOL, &opt_nobat },
    { 'j', "join",      N_("Subscribe to a service permanently"),
      OPT_STR, &opt_subscribe },


#if ENABLE_TSFILE || ENABLE_TSDEBUG
    { 0, NULL, N_("Testing options"), OPT_BOOL, NULL },
    { 0, "tsfile_tuners", N_("Number of tsfile tuners"), OPT_INT, &opt_tsfile_tuner },
    { 0, "tsfile", N_("tsfile input (mux file)"), OPT_STR_LIST, &opt_tsfile },
#endif
#if ENABLE_TSDEBUG
    { 0, "tsdebug", N_("Output directory for tsdebug"), OPT_STR, &tvheadend_tsdebug },
#endif

  };

  /* Get current directory */
  tvheadend_cwd0 = dirname(tvh_strdupa(argv[0]));
  tvheadend_cwd = dirname(tvh_strdupa(tvheadend_cwd0));

  /* Set locale */
  setlocale(LC_ALL, "");
  setlocale(LC_NUMERIC, "C");

  /* make sure the timezone is set */
  tzset();

  /* Process command line */
  for (i = 1; i < argc; i++) {

    /* Find option */
    cmdline_opt_t *opt
      = cmdline_opt_find(cmdline_opts, ARRAY_SIZE(cmdline_opts), argv[i]);
    if (!opt)
      show_usage(argv[0], cmdline_opts, ARRAY_SIZE(cmdline_opts),
                 _("invalid option specified [%s]"), argv[i]);

    /* Process */
    if (opt->type == OPT_BOOL)
      *((int*)opt->param) = 1;
    else if (++i == argc)
      show_usage(argv[0], cmdline_opts, ARRAY_SIZE(cmdline_opts),
                 _("option %s requires a value"), opt->lopt);
    else if (opt->type == OPT_INT)
      *((int*)opt->param) = atoi(argv[i]);
    else if (opt->type == OPT_STR_LIST) {
      str_list_t *strl = opt->param;
      if (strl->num < strl->max)
        strl->str[strl->num++] = argv[i];
    }
    else
      *((char**)opt->param) = argv[i];

    /* Stop processing */
    if (opt_help)
      show_usage(argv[0], cmdline_opts, ARRAY_SIZE(cmdline_opts), NULL);
    if (opt_version)
      show_version(argv[0]);
  }

  /* Additional cmdline processing */
  if (opt_nobat)
    dvb_bouquets_parse = 0;
#if ENABLE_LINUXDVB
  if (!opt_dvb_adapters) {
    adapter_mask = ~0;
  } else {
    char *p, *e;
    char *r = NULL;
    char *dvb_adapters = strdup(opt_dvb_adapters);
    adapter_mask = 0x0;
    p = strtok_r(dvb_adapters, ",", &r);
    while (p) {
      int a = strtol(p, &e, 10);
      if (*e != 0 || a < 0 || a > 31) {
        fprintf(stderr, _("Invalid adapter number '%s'\n"), p);
        free(dvb_adapters);
        return 1;
      }
      adapter_mask |= (1 << a);
      p = strtok_r(NULL, ",", &r);
    }
    free(dvb_adapters);
    if (!adapter_mask) {
      fprintf(stderr, "%s", _("No adapters specified!\n"));
      return 1;
    }
  }
#endif
  if (tvheadend_webroot) {
    char *tmp;
    if (*tvheadend_webroot == '/')
      tmp = strdup(tvheadend_webroot);
    else {
      tmp = malloc(strlen(tvheadend_webroot)+2);
      *tmp = '/';
      strcpy(tmp+1, tvheadend_webroot);
    }
    if (tmp[strlen(tmp)-1] == '/')
      tmp[strlen(tmp)-1] = '\0';
    tvheadend_webroot = tmp;
  }
  tvheadend_webui_debug = opt_uidebug;

  /* Setup logging */
  if (isatty(2))
    log_options |= TVHLOG_OPT_DECORATE;
  if (opt_stderr || opt_syslog || opt_logpath) {
    if (!opt_log_trace && !opt_log_debug)
      log_debug      = "all";
    log_level      = LOG_DEBUG;
    if (opt_stderr)
      log_options   |= TVHLOG_OPT_DBG_STDERR;
    if (opt_syslog)
      log_options   |= TVHLOG_OPT_DBG_SYSLOG;
    if (opt_logpath)
      log_options   |= TVHLOG_OPT_DBG_FILE;
  }
  if (opt_nosyslog)
    log_options &= ~(TVHLOG_OPT_SYSLOG|TVHLOG_OPT_DBG_SYSLOG);
  if (opt_fileline)
    log_options |= TVHLOG_OPT_FILELINE;
  if (opt_threadid)
    log_options |= TVHLOG_OPT_THREAD;
  if (opt_libav)
    log_options |= TVHLOG_OPT_LIBAV;
  if (opt_log_trace) {
    log_level  = LOG_TRACE;
    log_trace  = opt_log_trace;
  }
  if (opt_log_debug)
    log_debug  = opt_log_debug;
    
  tvhlog_init(log_level, log_options, opt_logpath);
  tvhlog_set_debug(log_debug);
  tvhlog_set_trace(log_trace);
  tvhinfo("main", "Log started");
 
  signal(SIGPIPE, handle_sigpipe); // will be redundant later
  signal(SIGILL, handle_sigill);   // see handler..

  /* Set priviledges */
  if(opt_fork || opt_group || opt_user) {
    const char *homedir;
    struct group  *grp = getgrnam(opt_group ?: "video");
    struct passwd *pw  = opt_user ? getpwnam(opt_user) : NULL;

    if(grp != NULL) {
      gid = grp->gr_gid;
    } else {
      gid = 1;
    }

    if (pw != NULL) {
      if (getuid() != pw->pw_uid) {
        gid_t glist[16];
        int gnum;
        gnum = get_user_groups(pw, glist, ARRAY_SIZE(glist));
        if (gnum > 0 && setgroups(gnum, glist)) {
          char buf[256] = "";
          int i;
          for (i = 0; i < gnum; i++)
            snprintf(buf + strlen(buf), sizeof(buf) - 1 - strlen(buf),
                     ",%d", glist[i]);
          tvhlog(LOG_ALERT, "START",
                 "setgroups(%s) failed, do you have permission?", buf+1);
          return 1;
        }
      }
      uid     = pw->pw_uid;
      homedir = pw->pw_dir;
      setenv("HOME", homedir, 1);
    } else {
      uid = 1;
    }
  }

  uuid_init();
  config_boot(opt_config, gid, uid);
  tcp_server_preinit(opt_ipv6);
  http_server_init(opt_bindaddr);    // bind to ports only
  htsp_init(opt_bindaddr);	     // bind to ports only
  satip_server_init(opt_satip_rtsp); // bind to ports only

  if (opt_fork)
    pidfile = tvh_fopen(opt_pidpath, "w+");

  if (gid != -1 && (getgid() != gid) && setgid(gid)) {
    tvhlog(LOG_ALERT, "START",
           "setgid(%d) failed, do you have permission?", gid);
    return 1;
  }
  if (uid != -1 && (getuid() != uid) && setuid(uid)) {
    tvhlog(LOG_ALERT, "START",
           "setuid(%d) failed, do you have permission?", uid);
    return 1;
  }

  /* Daemonise */
  if(opt_fork) {
    if(daemon(0, 0)) {
      exit(2);
    }
    if(pidfile != NULL) {
      fprintf(pidfile, "%d\n", getpid());
      fclose(pidfile);
    }

    /* Make dumpable */
    if (opt_dump) {
#ifdef PLATFORM_LINUX
      if (chdir("/tmp"))
        tvhwarn("START", "failed to change cwd to /tmp");
      prctl(PR_SET_DUMPABLE, 1);
#else
      tvhwarn("START", "Coredumps not implemented on your platform");
#endif
    }

    umask(0);
  }

  tvheadend_running = 1;

  /* Start log thread (must be done post fork) */
  tvhlog_start();

  /* Alter logging */
  if (opt_fork)
    tvhlog_options &= ~TVHLOG_OPT_STDERR;
  if (!isatty(2))
    tvhlog_options &= ~TVHLOG_OPT_DECORATE;
  
  /* Initialise clock */
  pthread_mutex_lock(&global_lock);
  time(&dispatch_clock);

  /* Signal handling */
  sigfillset(&set);
  sigprocmask(SIG_BLOCK, &set, NULL);
  trap_init(argv[0]);

  /* SSL library init */
  OPENSSL_config(NULL);
  SSL_load_error_strings();
  SSL_library_init();

  /* Initialise configuration */
  notify_init();
  idnode_init();
  spawn_init();
  config_init(opt_nobackup == 0);

  /**
   * Initialize subsystems
   */

  epg_in_load = 1;

  tvhthread_create(&tasklet_tid, NULL, tasklet_thread, NULL);

  dbus_server_init(opt_dbus, opt_dbus_session);

  intlconv_init();
  
  api_init();

  fsmonitor_init();

  libav_init();

  tvhtime_init();

  profile_init();

  imagecache_init();

  http_client_init(opt_user_agent);
  esfilter_init();

  bouquet_init();

  service_init();

  dvb_init();

#if ENABLE_MPEGTS
  mpegts_init(adapter_mask, &opt_satip_xml, &opt_tsfile, opt_tsfile_tuner);
#endif

  channel_init();

  bouquet_service_resolve();

  subscription_init();

  dvr_config_init();

  access_init(opt_firstrun, opt_noacl);

#if ENABLE_TIMESHIFT
  timeshift_init();
#endif

  tcp_server_init();
  webui_init(opt_xspf);
#if ENABLE_UPNP
  upnp_server_init(opt_bindaddr);
#endif

  service_mapper_init();

  descrambler_init();

  epggrab_init();
  epg_init();

  dvr_init();

  dbus_server_start();

  http_server_register();
  satip_server_register();
  htsp_register();

  if(opt_subscribe != NULL)
    subscription_dummy_join(opt_subscribe, 1);

  avahi_init();
  bonjour_init();

  epg_updated(); // cleanup now all prev ref's should have been created
  epg_in_load = 0;

  pthread_mutex_unlock(&global_lock);

  /**
   * Wait for SIGTERM / SIGINT, but only in this thread
   */

  sigemptyset(&set);
  sigaddset(&set, SIGTERM);
  sigaddset(&set, SIGINT);

  signal(SIGTERM, doexit);
  signal(SIGINT, doexit);

  pthread_sigmask(SIG_UNBLOCK, &set, NULL);

  tvhlog(LOG_NOTICE, "START", "HTS Tvheadend version %s started, "
         "running as PID:%d UID:%d GID:%d, CWD:%s CNF:%s",
         tvheadend_version,
         getpid(), getuid(), getgid(), getcwd(buf, sizeof(buf)),
         hts_settings_get_root());

  if(opt_abort)
    abort();

  mainloop();

#if ENABLE_DBUS_1
  tvhftrace("main", dbus_server_done);
#endif
#if ENABLE_UPNP
  tvhftrace("main", upnp_server_done);
#endif
  tvhftrace("main", satip_server_done);
  tvhftrace("main", htsp_done);
  tvhftrace("main", http_server_done);
  tvhftrace("main", webui_done);
  tvhftrace("main", fsmonitor_done);
  tvhftrace("main", http_client_done);
  tvhftrace("main", tcp_server_done);

  // Note: the locking is obviously a bit redundant, but without
  //       we need to disable the gtimer_arm call in epg_save()
  pthread_mutex_lock(&global_lock);
  tvhftrace("main", epg_save);

#if ENABLE_TIMESHIFT
  tvhftrace("main", timeshift_term);
#endif
  pthread_mutex_unlock(&global_lock);

  tvhftrace("main", epggrab_done);
#if ENABLE_MPEGTS
  tvhftrace("main", mpegts_done);
#endif
  tvhftrace("main", descrambler_done);
  tvhftrace("main", service_mapper_done);
  tvhftrace("main", service_done);
  tvhftrace("main", channel_done);
  tvhftrace("main", bouquet_done);
  tvhftrace("main", dvr_done);
  tvhftrace("main", subscription_done);
  tvhftrace("main", access_done);
  tvhftrace("main", epg_done);
  tvhftrace("main", avahi_done);
  tvhftrace("main", bonjour_done);
  tvhftrace("main", imagecache_done);
  tvhftrace("main", lang_code_done);
  tvhftrace("main", api_done);

  tvhtrace("main", "tasklet enter");
  pthread_cond_signal(&tasklet_cond);
  pthread_join(tasklet_tid, NULL);
  tvhtrace("main", "tasklet thread end");
  tasklet_flush();
  tvhtrace("main", "tasklet leave");

  tvhftrace("main", hts_settings_done);
  tvhftrace("main", dvb_done);
  tvhftrace("main", lang_str_done);
  tvhftrace("main", esfilter_done);
  tvhftrace("main", profile_done);
  tvhftrace("main", intlconv_done);
  tvhftrace("main", urlparse_done);
  tvhftrace("main", idnode_done);
  tvhftrace("main", notify_done);
  tvhftrace("main", spawn_done);

  tvhlog(LOG_NOTICE, "STOP", "Exiting HTS Tvheadend");
  tvhlog_end();

  tvhftrace("main", config_done);

  if(opt_fork)
    unlink(opt_pidpath);
    
#if ENABLE_TSFILE
  free(opt_tsfile.str);
#endif
  free(opt_satip_xml.str);

  /* OpenSSL - welcome to the "cleanup" hell */
  ENGINE_cleanup();
  RAND_cleanup();
  CRYPTO_cleanup_all_ex_data();
  EVP_cleanup();
  CONF_modules_free();
#ifndef OPENSSL_NO_COMP
  COMP_zlib_cleanup();
#endif
  ERR_remove_state(0);
  ERR_free_strings();
#ifndef OPENSSL_NO_COMP
  sk_SSL_COMP_free(SSL_COMP_get_compression_methods());
#endif
  /* end of OpenSSL cleanup code */

#if ENABLE_DBUS_1
  extern void dbus_shutdown(void);
  if (opt_dbus) dbus_shutdown();
#endif
  return 0;
}

/**
 *
 */
void
tvh_str_set(char **strp, const char *src)
{
  free(*strp);
  *strp = src ? strdup(src) : NULL;
}


/**
 *
 */
int
tvh_str_update(char **strp, const char *src)
{
  if(src == NULL)
    return 0;
  free(*strp);
  *strp = strdup(src);
  return 1;
}


/**
 *
 */
void
scopedunlock(pthread_mutex_t **mtxp)
{
  pthread_mutex_unlock(*mtxp);
}
Ejemplo n.º 5
0
int
main(int argc, char **argv)
{
  int i;
  sigset_t set;
#if ENABLE_LINUXDVB
  uint32_t adapter_mask;
#endif

  /* Defaults */
  log_stderr                = 1;
  log_decorate              = isatty(2);
  log_debug_to_syslog       = 0;
  log_debug_to_console      = 0;
  log_debug_to_path         = 0;
  log_path                  = NULL;
  tvheadend_webui_port      = 9981;
  tvheadend_webroot         = NULL;
  tvheadend_htsp_port       = 9982;
  tvheadend_htsp_port_extra = 0;

  /* Command line options */
  int         opt_help         = 0,
              opt_version      = 0,
              opt_fork         = 0,
              opt_firstrun     = 0,
              opt_debug        = 0,
              opt_syslog       = 0,
              opt_uidebug      = 0,
              opt_abort        = 0,
              opt_noacl        = 0,
              opt_ipv6         = 0;
  const char *opt_config       = NULL,
             *opt_user         = NULL,
             *opt_group        = NULL,
             *opt_pidpath      = "/var/run/tvheadend.pid",
#if ENABLE_LINUXDVB
             *opt_dvb_adapters = NULL,
             *opt_dvb_raw      = NULL,
#endif
             *opt_rawts        = NULL,
             *opt_subscribe    = NULL;
  cmdline_opt_t cmdline_opts[] = {
    {   0, NULL,        "Generic Options",         OPT_BOOL, NULL         },
    { 'h', "help",      "Show this page",          OPT_BOOL, &opt_help    },
    { 'v', "version",   "Show version infomation", OPT_BOOL, &opt_version },

    {   0, NULL,        "Service Configuration",   OPT_BOOL, NULL         },
    { 'c', "config",    "Alternate config path",   OPT_STR,  &opt_config  },
    { 'f', "fork",      "Fork and run as daemon",  OPT_BOOL, &opt_fork    },
    { 'u', "user",      "Run as user",             OPT_STR,  &opt_user    },
    { 'g', "group",     "Run as group",            OPT_STR,  &opt_group   },
    { 'p', "pid",       "Alternate pid path",      OPT_STR,  &opt_pidpath },
    { 'C', "firstrun",  "If no useraccount exist then create one with\n"
	                      "no username and no password. Use with care as\n"
	                      "it will allow world-wide administrative access\n"
	                      "to your Tvheadend installation until you edit\n"
	                      "the access-control from within the Tvheadend UI",
      OPT_BOOL, &opt_firstrun },
#if ENABLE_LINUXDVB
    { 'a', "adapters",  "Use only specified DVB adapters",
      OPT_STR, &opt_dvb_adapters },
#endif
    {   0, NULL,         "Server Connectivity",    OPT_BOOL, NULL         },
    { '6', "ipv6",       "Listen on IPv6",         OPT_BOOL, &opt_ipv6    },
    {   0, "http_port",  "Specify alternative http port",
      OPT_INT, &tvheadend_webui_port },
    {   0, "http_root",  "Specify alternative http webroot",
      OPT_STR, &tvheadend_webroot },
    {   0, "htsp_port",  "Specify alternative htsp port",
      OPT_INT, &tvheadend_htsp_port },
    {   0, "htsp_port2", "Specify extra htsp port",
      OPT_INT, &tvheadend_htsp_port_extra },

    {   0, NULL,        "Debug Options",           OPT_BOOL, NULL         },
    { 'd', "debug",     "Enable all debug",        OPT_BOOL, &opt_debug   },
    { 's', "syslog",    "Enable debug to syslog",  OPT_BOOL, &opt_syslog  },
    {   0, "uidebug",   "Enable webUI debug",      OPT_BOOL, &opt_uidebug },
    { 'l', "log",       "Log to file",             OPT_STR,  &log_path    },
    { 'A', "abort",     "Immediately abort",       OPT_BOOL, &opt_abort   },
    {   0, "noacl",     "Disable all access control checks",
      OPT_BOOL, &opt_noacl },
#if ENABLE_LINUXDVB
    { 'R', "dvbraw",    "Use rawts file to create virtual adapter",
      OPT_STR, &opt_dvb_raw },
#endif
    { 'r', "rawts",     "Use rawts file to generate virtual services",
      OPT_STR, &opt_rawts },
    { 'j', "join",      "Subscribe to a service permanently",
      OPT_STR, &opt_subscribe }
  };

  /* Get current directory */
  tvheadend_cwd = dirname(dirname(tvh_strdupa(argv[0])));

  /* Set locale */
  setlocale(LC_ALL, "");

  /* make sure the timezone is set */
  tzset();

  /* Process command line */
  for (i = 1; i < argc; i++) {

    /* Find option */
    cmdline_opt_t *opt
      = cmdline_opt_find(cmdline_opts, ARRAY_SIZE(cmdline_opts), argv[i]);
    if (!opt)
      show_usage(argv[0], cmdline_opts, ARRAY_SIZE(cmdline_opts),
                 "invalid option specified [%s]", argv[i]);

    /* Process */
    if (opt->type == OPT_BOOL)
      *((int*)opt->param) = 1;
    else if (++i == argc)
      show_usage(argv[0], cmdline_opts, ARRAY_SIZE(cmdline_opts),
                 "option %s requires a value", opt->lopt);
    else if (opt->type == OPT_INT)
      *((int*)opt->param) = atoi(argv[i]);
    else
      *((char**)opt->param) = argv[i];

    /* Stop processing */
    if (opt_help)
      show_usage(argv[0], cmdline_opts, ARRAY_SIZE(cmdline_opts), NULL);
    if (opt_version)
      show_version(argv[0]);
  }

  /* Additional cmdline processing */
  log_debug_to_console  = opt_debug;
  log_debug_to_syslog   = opt_syslog;
  log_debug_to_path     = opt_debug;
  tvheadend_webui_debug = opt_debug || opt_uidebug;
  tvhlog(LOG_INFO, "START", "initialising");
#if ENABLE_LINUXDVB
  if (!opt_dvb_adapters) {
    adapter_mask = ~0;
  } else {
    char *p, *r, *e;
    adapter_mask = 0x0;
    p = strtok_r((char*)opt_dvb_adapters, ",", &r);
    while (p) {
      int a = strtol(p, &e, 10);
      if (*e != 0 || a < 0 || a > 31) {
        tvhlog(LOG_ERR, "START", "Invalid adapter number '%s'", p);
        return 1;
      }
      adapter_mask |= (1 << a);
      p = strtok_r(NULL, ",", &r);
    }
    if (!adapter_mask) {
      tvhlog(LOG_ERR, "START", "No adapters specified!");
      return 1;
    }
  }
#endif
  if (tvheadend_webroot) {
    char *tmp;
    if (*tvheadend_webroot == '/')
      tmp = strdup(tvheadend_webroot);
    else {
      tmp = malloc(strlen(tvheadend_webroot)+1);
      *tmp = '/';
      strcpy(tmp+1, tvheadend_webroot);
    }
    if (tmp[strlen(tmp)-1] == '/')
      tmp[strlen(tmp)-1] = '\0';
    tvheadend_webroot = tmp;
  }

  signal(SIGPIPE, handle_sigpipe); // will be redundant later

  /* Daemonise */
  if(opt_fork) {
    const char *homedir;
    gid_t gid;
    uid_t uid;
    struct group  *grp = getgrnam(opt_group ?: "video");
    struct passwd *pw  = opt_user ? getpwnam(opt_user) : NULL;
    FILE   *pidfile    = fopen(opt_pidpath, "w+");

    if(grp != NULL) {
      gid = grp->gr_gid;
    } else {
      gid = 1;
    }

    if (pw != NULL) {
      if (getuid() != pw->pw_uid) {
        gid_t glist[10];
        int gnum;
        gnum = get_user_groups(pw, glist, 10);
        if (setgroups(gnum, glist)) {
          tvhlog(LOG_ALERT, "START",
                 "setgroups() failed, do you have permission?");
          return 1;
        }
      }
      uid     = pw->pw_uid;
      homedir = pw->pw_dir;
      setenv("HOME", homedir, 1);
    } else {
      uid = 1;
    }
    if ((getgid() != gid) && setgid(gid)) {
      tvhlog(LOG_ALERT, "START",
             "setgid() failed, do you have permission?");
      return 1;
    }
    if ((getuid() != uid) && setuid(uid)) {
      tvhlog(LOG_ALERT, "START",
             "setuid() failed, do you have permission?");
      return 1;
    }

    if(daemon(0, 0)) {
      exit(2);
    }
    if(pidfile != NULL) {
      fprintf(pidfile, "%d\n", getpid());
      fclose(pidfile);
    }

    umask(0);
  }

  /* Setup logging */
  log_stderr   = !opt_fork;
  log_decorate = isatty(2);
  openlog("tvheadend", LOG_PID, LOG_DAEMON);

  /* Initialise configuration */
  hts_settings_init(opt_config);

  /* Setup global mutexes */
  pthread_mutex_init(&ffmpeg_lock, NULL);
  pthread_mutex_init(&fork_lock, NULL);
  pthread_mutex_init(&global_lock, NULL);
  pthread_mutex_lock(&global_lock);

  time(&dispatch_clock);

  /* Signal handling */
  sigfillset(&set);
  sigprocmask(SIG_BLOCK, &set, NULL);
  trap_init(argv[0]);
  
  /**
   * Initialize subsystems
   */

#if ENABLE_LIBAV
  libav_init();
#endif

  config_init();

  imagecache_init();

  service_init();

  channels_init();

  subscription_init();

  access_init(opt_firstrun, opt_noacl);

#if ENABLE_LINUXDVB
  muxes_init();
  dvb_init(adapter_mask, opt_dvb_raw);
#endif

  iptv_input_init();

#if ENABLE_V4L
  v4l_init();
#endif

#if ENABLE_TIMESHIFT
  timeshift_init();
#endif

  tcp_server_init(opt_ipv6);
  http_server_init();
  webui_init();

  serviceprobe_init();

#if ENABLE_CWC
  cwc_init();
  capmt_init();
#if (!ENABLE_DVBCSA)
  ffdecsa_init();
#endif
#endif

  epggrab_init();
  epg_init();

  dvr_init();

  htsp_init();

  if(opt_rawts != NULL)
    rawts_init(opt_rawts);

  if(opt_subscribe != NULL)
    subscription_dummy_join(opt_subscribe, 1);

#ifdef CONFIG_AVAHI
  avahi_init();
#endif

  epg_updated(); // cleanup now all prev ref's should have been created

  pthread_mutex_unlock(&global_lock);

  /**
   * Wait for SIGTERM / SIGINT, but only in this thread
   */

  running = 1;
  sigemptyset(&set);
  sigaddset(&set, SIGTERM);
  sigaddset(&set, SIGINT);

  signal(SIGTERM, doexit);
  signal(SIGINT, doexit);

  pthread_sigmask(SIG_UNBLOCK, &set, NULL);

  tvhlog(LOG_NOTICE, "START", "HTS Tvheadend version %s started, "
	 "running as PID:%d UID:%d GID:%d, settings located in '%s'",
	 tvheadend_version,
	 getpid(), getuid(), getgid(), hts_settings_get_root());

  if(opt_abort)
    abort();

  mainloop();

  epg_save();

#if ENABLE_TIMESHIFT
  timeshift_term();
#endif

  tvhlog(LOG_NOTICE, "STOP", "Exiting HTS Tvheadend");

  if(opt_fork)
    unlink(opt_pidpath);

  return 0;

}
Ejemplo n.º 6
0
int
main(int argc, char **argv)
{
  int c;
  int forkaway = 0;
  FILE *pidfile;
  const char *pidpath = "/var/run/tvheadend.pid";
  struct group *grp;
  struct passwd *pw;
  char *webroot;
  const char *usernam = NULL;
  const char *groupnam = NULL;
  int logfacility = LOG_DAEMON;
  int createdefault = 0;
  sigset_t set;
  const char *homedir;
  const char *rawts_input = NULL;
#if ENABLE_LINUXDVB
  const char *dvb_rawts_input = NULL;
#endif
  const char *join_transport = NULL;
  const char *confpath = NULL;
  char *p, *endp;
  uint32_t adapter_mask = 0xffffffff;
  int crash = 0;
  webui_port = 9981;
  htsp_port = 9982;
  gid_t gid;
  uid_t uid;

  /* Get current directory */
  tvheadend_cwd = dirname(dirname(tvh_strdupa(argv[0])));

  /* Set locale */
  setlocale(LC_ALL, "");

  // make sure the timezone is set
  tzset();

  while((c = getopt(argc, argv, "Aa:fp:u:g:c:Chdr:j:sw:e:E:R:W:")) != -1) {
    switch(c) {
    case 'a':
      adapter_mask = 0x0;
      p = strtok(optarg, ",");
      if (p != NULL) {
        do {
          int adapter = strtol(p, &endp, 10);
          if (*endp != 0 || adapter < 0 || adapter > 31) {
              fprintf(stderr, "Invalid adapter number '%s'\n", p);
              return 1;
          }
          adapter_mask |= (1 << adapter);
        } while ((p = strtok(NULL, ",")) != NULL);
        if (adapter_mask == 0x0) {
          fprintf(stderr, "No adapters specified!\n");
          return 1;
        }
      } else {
        usage(argv[0]);
      }
      break;
    case 'A':
      crash = 1;
      break;
    case 'f':
      forkaway = 1;
      break;
    case 'p':
      pidpath = optarg;
      break;
    case 'w':
      webui_port = atoi(optarg);
      break;
    case 'e':
      htsp_port = atoi(optarg);
      break;
    case 'E':
      htsp_port_extra = atoi(optarg);
      break;
    case 'u':
      usernam = optarg;
      break;
    case 'g':
      groupnam = optarg;
      break;
    case 'c':
      confpath = optarg;
      break;
    case 'd':
      log_debug_to_console = 1;
      break;
    case 's':
      log_debug_to_syslog = 1;
      break;
    case 'C':
      createdefault = 1;
      break;
    case 'r':
      rawts_input = optarg;
      break;
#if ENABLE_LINUXDVB
    case 'R':
      dvb_rawts_input = optarg;
      break;
#endif
    case 'j':
      join_transport = optarg;
      break;
    case 'W':
      webroot = malloc(strlen(optarg) + (*optarg == '/' ? 0 : 1));
      if (*optarg != '/') {
        *webroot = '/';
        strcpy(webroot+1, optarg);
      } else {
        strcpy(webroot, optarg);
      }
      if (webroot[strlen(webroot)-1] == '/')
        webroot[strlen(webroot)-1] = '\0';
      tvheadend_webroot = webroot;
      break;
    default:
      usage(argv[0]);
    }
  }

  signal(SIGPIPE, handle_sigpipe);

  log_stderr   = 1;
  log_decorate = isatty(2);

  if(forkaway) {
    grp  = getgrnam(groupnam ?: "video");
    pw   = usernam ? getpwnam(usernam) : NULL;

    pidfile = fopen(pidpath, "w+");

    if(grp != NULL) {
      gid = grp->gr_gid;
    } else {
      gid = 1;
    }

    if (pw != NULL) {
      if (getuid() != pw->pw_uid) {
        gid_t glist[10];
        int gnum;
        gnum = get_user_groups(pw, glist, 10);
        if (setgroups(gnum, glist)) {
          tvhlog(LOG_ALERT, "START", "setgroups() failed, do you have permission?");
          return 1;
        }
      }
      uid     = pw->pw_uid;
      homedir = pw->pw_dir;
      setenv("HOME", homedir, 1);
    } else {
      uid = 1;
    }
    if ((getgid() != gid) && setgid(gid)) {
      tvhlog(LOG_ALERT, "START", "setgid() failed, do you have permission?");
      return 1;
    }
    if ((getuid() != uid) && setuid(uid)) {
      tvhlog(LOG_ALERT, "START", "setuid() failed, do you have permission?");
      return 1;
    }

    if(daemon(0, 0)) {
      exit(2);
    }
    if(pidfile != NULL) {
      fprintf(pidfile, "%d\n", getpid());
      fclose(pidfile);
    }

    umask(0);
  }

  log_stderr = !forkaway;
  log_decorate = isatty(2);

  sigfillset(&set);
  sigprocmask(SIG_BLOCK, &set, NULL);

  openlog("tvheadend", LOG_PID, logfacility);

  hts_settings_init(confpath);

  pthread_mutex_init(&ffmpeg_lock, NULL);
  pthread_mutex_init(&fork_lock, NULL);
  pthread_mutex_init(&global_lock, NULL);

  pthread_mutex_lock(&global_lock);

  time(&dispatch_clock);

  trap_init(argv[0]);
  
  /**
   * Initialize subsystems
   */

  config_init();

  imagecache_init();

  service_init();

  channels_init();

  subscription_init();

  access_init(createdefault);

#if ENABLE_LINUXDVB
  muxes_init();
  dvb_init(adapter_mask, dvb_rawts_input);
#endif

  iptv_input_init();

#if ENABLE_V4L
  v4l_init();
#endif

  tcp_server_init();
  http_server_init();
  webui_init();

  serviceprobe_init();

#if ENABLE_CWC
  cwc_init();
  capmt_init();
#if (!ENABLE_DVBCSA)
  ffdecsa_init();
#endif
#endif

  epggrab_init();
  epg_init();

  dvr_init();

  htsp_init();

  if(rawts_input != NULL)
    rawts_init(rawts_input);

  if(join_transport != NULL)
    subscription_dummy_join(join_transport, 1);

#ifdef CONFIG_AVAHI
  avahi_init();
#endif

  epg_updated(); // cleanup now all prev ref's should have been created

  pthread_mutex_unlock(&global_lock);


  /**
   * Wait for SIGTERM / SIGINT, but only in this thread
   */

  running = 1;
  sigemptyset(&set);
  sigaddset(&set, SIGTERM);
  sigaddset(&set, SIGINT);

  signal(SIGTERM, doexit);
  signal(SIGINT, doexit);

  pthread_sigmask(SIG_UNBLOCK, &set, NULL);

  tvhlog(LOG_NOTICE, "START", "HTS Tvheadend version %s started, "
	 "running as PID:%d UID:%d GID:%d, settings located in '%s'",
	 tvheadend_version,
	 getpid(), getuid(), getgid(), hts_settings_get_root());

  if(crash)
    abort();

  mainloop();

  epg_save();

  tvhlog(LOG_NOTICE, "STOP", "Exiting HTS Tvheadend");

  if(forkaway)
    unlink("/var/run/tvheadend.pid");

  return 0;

}
Ejemplo n.º 7
0
/*
   This function communicates with the kernel to check whether or not it should
   allow the access.
   If the machine is in permissive mode it will return ok.  Audit messages will
   still be generated if the access would be denied in enforcing mode.
*/
int mac_selinux_generic_access_check(
                sd_bus_message *message,
                const char *path,
                const char *permission,
                sd_bus_error *error) {

        _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
        const char *tclass = NULL, *scon = NULL;
        struct audit_info audit_info = {};
        _cleanup_free_ char *cl = NULL;
        char *fcon = NULL;
        char **cmdline = NULL;
        int r = 0;

        assert(message);
        assert(permission);
        assert(error);

        r = access_init(error);
        if (r <= 0)
                return r;

        r = sd_bus_query_sender_creds(
                        message,
                        SD_BUS_CREDS_PID|SD_BUS_CREDS_EUID|SD_BUS_CREDS_EGID|
                        SD_BUS_CREDS_CMDLINE|SD_BUS_CREDS_AUDIT_LOGIN_UID|
                        SD_BUS_CREDS_SELINUX_CONTEXT|
                        SD_BUS_CREDS_AUGMENT /* get more bits from /proc */,
                        &creds);
        if (r < 0)
                goto finish;

        /* The SELinux context is something we really should have
         * gotten directly from the message or sender, and not be an
         * augmented field. If it was augmented we cannot use it for
         * authorization, since this is racy and vulnerable. Let's add
         * an extra check, just in case, even though this really
         * shouldn't be possible. */
        assert_return((sd_bus_creds_get_augmented_mask(creds) & SD_BUS_CREDS_SELINUX_CONTEXT) == 0, -EPERM);

        r = sd_bus_creds_get_selinux_context(creds, &scon);
        if (r < 0)
                goto finish;

        if (path) {
                /* Get the file context of the unit file */

                r = getfilecon_raw(path, &fcon);
                if (r < 0) {
                        r = sd_bus_error_setf(error, SD_BUS_ERROR_ACCESS_DENIED, "Failed to get file context on %s.", path);
                        goto finish;
                }

                tclass = "service";
        } else {
                r = getcon_raw(&fcon);
                if (r < 0) {
                        r = sd_bus_error_setf(error, SD_BUS_ERROR_ACCESS_DENIED, "Failed to get current context.");
                        goto finish;
                }

                tclass = "system";
        }

        sd_bus_creds_get_cmdline(creds, &cmdline);
        cl = strv_join(cmdline, " ");

        audit_info.creds = creds;
        audit_info.path = path;
        audit_info.cmdline = cl;

        r = selinux_check_access(scon, fcon, tclass, permission, &audit_info);
        if (r < 0)
                r = sd_bus_error_setf(error, SD_BUS_ERROR_ACCESS_DENIED, "SELinux policy denies access.");

        log_debug("SELinux access check scon=%s tcon=%s tclass=%s perm=%s path=%s cmdline=%s: %i", scon, fcon, tclass, permission, path, cl, r);

finish:
        freecon(fcon);

        if (r < 0 && security_getenforce() != 1) {
                sd_bus_error_free(error);
                r = 0;
        }

        return r;
}
Ejemplo n.º 8
0
int
main(int argc, char **argv)
{
  int c;
  int forkaway = 0;
  FILE *pidfile;
  const char *pidpath = "/var/run/tvheadend.pid";
  struct group *grp;
  struct passwd *pw;
  const char *usernam = NULL;
  const char *groupnam = NULL;
  int logfacility = LOG_DAEMON;
  int createdefault = 0;
  sigset_t set;
  const char *homedir;
  const char *rawts_input = NULL;
  const char *join_transport = NULL;
  const char *confpath = NULL;
  char *p, *endp;
  uint32_t adapter_mask = 0xffffffff;
  int crash = 0;

  // make sure the timezone is set
  tzset();

  while((c = getopt(argc, argv, "Aa:fp:u:g:c:Chdr:j:s")) != -1) {
    switch(c) {
    case 'a':
      adapter_mask = 0x0;
      p = strtok(optarg, ",");
      if (p != NULL) {
        do {
          int adapter = strtol(p, &endp, 10);
          if (*endp != 0 || adapter < 0 || adapter > 31) {
              fprintf(stderr, "Invalid adapter number '%s'\n", p);
              return 1;
          }
          adapter_mask |= (1 << adapter);
        } while ((p = strtok(NULL, ",")) != NULL);
        if (adapter_mask == 0x0) {
          fprintf(stderr, "No adapters specified!\n");
          return 1;
        }
      } else {
        usage(argv[0]);
      }
      break;
    case 'A':
      crash = 1;
      break;
    case 'f':
      forkaway = 1;
      break;
    case 'p':
      pidpath = optarg;
      break;
    case 'u':
      usernam = optarg;
      break;
    case 'g':
      groupnam = optarg;
      break;
    case 'c':
      confpath = optarg;
      break;
    case 'd':
      log_debug_to_console = 1;
      break;
    case 's':
      log_debug_to_syslog = 1;
      break;
    case 'C':
      createdefault = 1;
      break;
    case 'r':
      rawts_input = optarg;
      break;
    case 'j':
      join_transport = optarg;
      break;
    default:
      usage(argv[0]);
      break;
    }
  }

  signal(SIGPIPE, handle_sigpipe);

  grp = getgrnam(groupnam ?: "video");
  pw = usernam ? getpwnam(usernam) : NULL;


  if(forkaway) {

    if(daemon(0, 0)) {
      exit(2);
    }
    pidfile = fopen(pidpath, "w+");
    if(pidfile != NULL) {
      fprintf(pidfile, "%d\n", getpid());
      fclose(pidfile);
    }

   if(grp != NULL) {
      setgid(grp->gr_gid);
    } else {
      setgid(1);
    }

   if(pw != NULL) {
      setuid(pw->pw_uid);
    } else {
      setuid(1);
    }

   if(pw != NULL) {
     homedir = pw->pw_dir;
     setenv("HOME", homedir, 1);
   }

    umask(0);
  }

  log_stderr = !forkaway;
  log_decorate = isatty(2);

  sigfillset(&set);
  sigprocmask(SIG_BLOCK, &set, NULL);

  openlog("tvheadend", LOG_PID, logfacility);

  hts_settings_init(confpath);

  pthread_mutex_init(&ffmpeg_lock, NULL);
  pthread_mutex_init(&fork_lock, NULL);
  pthread_mutex_init(&global_lock, NULL);

  pthread_mutex_lock(&global_lock);

  time(&dispatch_clock);

  trap_init(argv[0]);
  
  /**
   * Initialize subsystems
   */
  xmltv_init();   /* Must be initialized before channels */

  service_init();

  channels_init();

  access_init(createdefault);

  tcp_server_init();
#if ENABLE_LINUXDVB
  dvb_init(adapter_mask);
#endif
  iptv_input_init();
#if ENABLE_V4L
  v4l_init();
#endif
  http_server_init();

  webui_init(tvheadend_dataroot());

  serviceprobe_init();

  cwc_init();

  capmt_init();

  epg_init();

  dvr_init();

  htsp_init();

  ffdecsa_init();
  
  if(rawts_input != NULL)
    rawts_init(rawts_input);

  if(join_transport != NULL)
    subscription_dummy_join(join_transport, 1);

#ifdef CONFIG_AVAHI
  avahi_init();
#endif

  pthread_mutex_unlock(&global_lock);


  /**
   * Wait for SIGTERM / SIGINT, but only in this thread
   */

  running = 1;
  sigemptyset(&set);
  sigaddset(&set, SIGTERM);
  sigaddset(&set, SIGINT);

  signal(SIGTERM, doexit);
  signal(SIGINT, doexit);

  pthread_sigmask(SIG_UNBLOCK, &set, NULL);

  tvhlog(LOG_NOTICE, "START", "HTS Tvheadend version %s started, "
	 "running as PID:%d UID:%d GID:%d, settings located in '%s', "
	 "dataroot: %s",
	 tvheadend_version,
	 getpid(), getuid(), getgid(), hts_settings_get_root(),
	 tvheadend_dataroot() ?: "<Embedded file system>");

  if(crash)
    abort();

  mainloop();

  epg_save();

  tvhlog(LOG_NOTICE, "STOP", "Exiting HTS Tvheadend");

  if(forkaway)
    unlink("/var/run/tvheadend.pid");

  return 0;

}
Ejemplo n.º 9
0
int
main(int argc, char **argv)
{
  int i;
  sigset_t set;
#if ENABLE_LINUXDVB
  uint32_t adapter_mask;
#endif
  int  log_level   = LOG_INFO;
  int  log_options = TVHLOG_OPT_MILLIS | TVHLOG_OPT_STDERR | TVHLOG_OPT_SYSLOG;
  const char *log_debug = NULL, *log_trace = NULL;
  char buf[512];

  main_tid = pthread_self();

  /* Setup global mutexes */
  pthread_mutex_init(&ffmpeg_lock, NULL);
  pthread_mutex_init(&fork_lock, NULL);
  pthread_mutex_init(&global_lock, NULL);
  pthread_mutex_init(&atomic_lock, NULL);
  pthread_cond_init(&gtimer_cond, NULL);

  /* Defaults */
  tvheadend_webui_port      = 9981;
  tvheadend_webroot         = NULL;
  tvheadend_htsp_port       = 9982;
  tvheadend_htsp_port_extra = 0;

  /* Command line options */
  int         opt_help         = 0,
              opt_version      = 0,
              opt_fork         = 0,
              opt_firstrun     = 0,
              opt_stderr       = 0,
              opt_syslog       = 0,
              opt_uidebug      = 0,
              opt_abort        = 0,
              opt_noacl        = 0,
              opt_fileline     = 0,
              opt_threadid     = 0,
              opt_ipv6         = 0,
              opt_tsfile_tuner = 0,
              opt_dump         = 0;
  const char *opt_config       = NULL,
             *opt_user         = NULL,
             *opt_group        = NULL,
             *opt_logpath      = NULL,
             *opt_log_debug    = NULL,
             *opt_log_trace    = NULL,
             *opt_pidpath      = "/var/run/tvheadend.pid",
#if ENABLE_LINUXDVB
             *opt_dvb_adapters = NULL,
#endif
             *opt_bindaddr     = NULL,
             *opt_subscribe    = NULL;
  str_list_t  opt_tsfile       = { .max = 10, .num = 0, .str = calloc(10, sizeof(char*)) };
  cmdline_opt_t cmdline_opts[] = {
    {   0, NULL,        "Generic Options",         OPT_BOOL, NULL         },
    { 'h', "help",      "Show this page",          OPT_BOOL, &opt_help    },
    { 'v', "version",   "Show version infomation", OPT_BOOL, &opt_version },

    {   0, NULL,        "Service Configuration",   OPT_BOOL, NULL         },
    { 'c', "config",    "Alternate config path",   OPT_STR,  &opt_config  },
    { 'f', "fork",      "Fork and run as daemon",  OPT_BOOL, &opt_fork    },
    { 'u', "user",      "Run as user",             OPT_STR,  &opt_user    },
    { 'g', "group",     "Run as group",            OPT_STR,  &opt_group   },
    { 'p', "pid",       "Alternate pid path",      OPT_STR,  &opt_pidpath },
    { 'C', "firstrun",  "If no user account exists then create one with\n"
	                      "no username and no password. Use with care as\n"
	                      "it will allow world-wide administrative access\n"
	                      "to your Tvheadend installation until you edit\n"
	                      "the access-control from within the Tvheadend UI",
      OPT_BOOL, &opt_firstrun },
#if ENABLE_LINUXDVB
    { 'a', "adapters",  "Only use specified DVB adapters (comma separated)",
      OPT_STR, &opt_dvb_adapters },
#endif
    {   0, NULL,         "Server Connectivity",    OPT_BOOL, NULL         },
    { '6', "ipv6",       "Listen on IPv6",         OPT_BOOL, &opt_ipv6    },
    { 'b', "bindaddr",   "Specify bind address",   OPT_STR,  &opt_bindaddr},
    {   0, "http_port",  "Specify alternative http port",
      OPT_INT, &tvheadend_webui_port },
    {   0, "http_root",  "Specify alternative http webroot",
      OPT_STR, &tvheadend_webroot },
    {   0, "htsp_port",  "Specify alternative htsp port",
      OPT_INT, &tvheadend_htsp_port },
    {   0, "htsp_port2", "Specify extra htsp port",
      OPT_INT, &tvheadend_htsp_port_extra },

    {   0, NULL,        "Debug Options",           OPT_BOOL, NULL         },
    { 'd', "stderr",    "Enable debug on stderr",  OPT_BOOL, &opt_stderr  },
    { 's', "syslog",    "Enable debug to syslog",  OPT_BOOL, &opt_syslog  },
    { 'l', "logfile",   "Enable debug to file",    OPT_STR,  &opt_logpath },
    {   0, "debug",     "Enable debug subsystems", OPT_STR,  &opt_log_debug },
#if ENABLE_TRACE
    {   0, "trace",     "Enable trace subsystems", OPT_STR,  &opt_log_trace },
#endif
    {   0, "fileline",  "Add file and line numbers to debug", OPT_BOOL, &opt_fileline },
    {   0, "threadid",  "Add the thread ID to debug", OPT_BOOL, &opt_threadid },
    {   0, "uidebug",   "Enable webUI debug (non-minified JS)", OPT_BOOL, &opt_uidebug },
    { 'A', "abort",     "Immediately abort",       OPT_BOOL, &opt_abort   },
    { 'D', "dump",      "Enable coredumps for daemon", OPT_BOOL, &opt_dump },
    {   0, "noacl",     "Disable all access control checks",
      OPT_BOOL, &opt_noacl },
    { 'j', "join",      "Subscribe to a service permanently",
      OPT_STR, &opt_subscribe },


    { 0, NULL, "TODO: testing", OPT_BOOL, NULL },
    { 0, "tsfile_tuners", "Number of tsfile tuners", OPT_INT, &opt_tsfile_tuner },
    { 0, "tsfile", "tsfile input (mux file)", OPT_STR_LIST, &opt_tsfile },

  };

  /* Get current directory */
  tvheadend_cwd = dirname(dirname(tvh_strdupa(argv[0])));

  /* Set locale */
  setlocale(LC_ALL, "");
  setlocale(LC_NUMERIC, "C");

  /* make sure the timezone is set */
  tzset();

  /* Process command line */
  for (i = 1; i < argc; i++) {

    /* Find option */
    cmdline_opt_t *opt
      = cmdline_opt_find(cmdline_opts, ARRAY_SIZE(cmdline_opts), argv[i]);
    if (!opt)
      show_usage(argv[0], cmdline_opts, ARRAY_SIZE(cmdline_opts),
                 "invalid option specified [%s]", argv[i]);

    /* Process */
    if (opt->type == OPT_BOOL)
      *((int*)opt->param) = 1;
    else if (++i == argc)
      show_usage(argv[0], cmdline_opts, ARRAY_SIZE(cmdline_opts),
                 "option %s requires a value", opt->lopt);
    else if (opt->type == OPT_INT)
      *((int*)opt->param) = atoi(argv[i]);
    else if (opt->type == OPT_STR_LIST) {
      str_list_t *strl = opt->param;
      if (strl->num < strl->max)
        strl->str[strl->num++] = argv[i];
    }
    else
      *((char**)opt->param) = argv[i];

    /* Stop processing */
    if (opt_help)
      show_usage(argv[0], cmdline_opts, ARRAY_SIZE(cmdline_opts), NULL);
    if (opt_version)
      show_version(argv[0]);
  }

  /* Additional cmdline processing */
#if ENABLE_LINUXDVB
  if (!opt_dvb_adapters) {
    adapter_mask = ~0;
  } else {
    char *p, *e;
    char *r = NULL;
    char *dvb_adapters = strdup(opt_dvb_adapters);
    adapter_mask = 0x0;
    p = strtok_r(dvb_adapters, ",", &r);
    while (p) {
      int a = strtol(p, &e, 10);
      if (*e != 0 || a < 0 || a > 31) {
        tvhlog(LOG_ERR, "START", "Invalid adapter number '%s'", p);
        free(dvb_adapters);
        return 1;
      }
      adapter_mask |= (1 << a);
      p = strtok_r(NULL, ",", &r);
    }
    free(dvb_adapters);
    if (!adapter_mask) {
      tvhlog(LOG_ERR, "START", "No adapters specified!");
      return 1;
    }
  }
#endif
  if (tvheadend_webroot) {
    char *tmp;
    if (*tvheadend_webroot == '/')
      tmp = strdup(tvheadend_webroot);
    else {
      tmp = malloc(strlen(tvheadend_webroot)+2);
      *tmp = '/';
      strcpy(tmp+1, tvheadend_webroot);
    }
    if (tmp[strlen(tmp)-1] == '/')
      tmp[strlen(tmp)-1] = '\0';
    tvheadend_webroot = tmp;
  }
  tvheadend_webui_debug = opt_uidebug;

  /* Setup logging */
  if (isatty(2))
    log_options |= TVHLOG_OPT_DECORATE;
  if (opt_stderr || opt_syslog || opt_logpath) {
    if (!opt_log_trace && !opt_log_debug)
      log_debug      = "all";
    log_level      = LOG_DEBUG;
    if (opt_stderr)
      log_options   |= TVHLOG_OPT_DBG_STDERR;
    if (opt_syslog)
      log_options   |= TVHLOG_OPT_DBG_SYSLOG;
    if (opt_logpath)
      log_options   |= TVHLOG_OPT_DBG_FILE;
  }
  if (opt_fileline)
    log_options |= TVHLOG_OPT_FILELINE;
  if (opt_threadid)
    log_options |= TVHLOG_OPT_THREAD;
  if (opt_log_trace) {
    log_level  = LOG_TRACE;
    log_trace  = opt_log_trace;
  }
  if (opt_log_debug)
    log_debug  = opt_log_debug;
    
  tvhlog_init(log_level, log_options, opt_logpath);
  tvhlog_set_debug(log_debug);
  tvhlog_set_trace(log_trace);
 
  signal(SIGPIPE, handle_sigpipe); // will be redundant later

  /* Daemonise */
  if(opt_fork) {
    const char *homedir;
    gid_t gid;
    uid_t uid;
    struct group  *grp = getgrnam(opt_group ?: "video");
    struct passwd *pw  = opt_user ? getpwnam(opt_user) : NULL;
    FILE   *pidfile    = fopen(opt_pidpath, "w+");

    if(grp != NULL) {
      gid = grp->gr_gid;
    } else {
      gid = 1;
    }

    if (pw != NULL) {
      if (getuid() != pw->pw_uid) {
        gid_t glist[10];
        int gnum;
        gnum = get_user_groups(pw, glist, 10);
        if (setgroups(gnum, glist)) {
          tvhlog(LOG_ALERT, "START",
                 "setgroups() failed, do you have permission?");
          return 1;
        }
      }
      uid     = pw->pw_uid;
      homedir = pw->pw_dir;
      setenv("HOME", homedir, 1);
    } else {
      uid = 1;
    }
    if ((getgid() != gid) && setgid(gid)) {
      tvhlog(LOG_ALERT, "START",
             "setgid() failed, do you have permission?");
      return 1;
    }
    if ((getuid() != uid) && setuid(uid)) {
      tvhlog(LOG_ALERT, "START",
             "setuid() failed, do you have permission?");
      return 1;
    }

    if(daemon(0, 0)) {
      exit(2);
    }
    if(pidfile != NULL) {
      fprintf(pidfile, "%d\n", getpid());
      fclose(pidfile);
    }

    /* Make dumpable */
    if (opt_dump) {
#ifdef PLATFORM_LINUX
      if (chdir("/tmp"))
        tvhwarn("START", "failed to change cwd to /tmp");
      prctl(PR_SET_DUMPABLE, 1);
#else
      tvhwarn("START", "Coredumps not implemented on your platform");
#endif
    }

    umask(0);
  }

  tvheadend_running = 1;

  /* Start log thread (must be done post fork) */
  tvhlog_start();

  /* Alter logging */
  if (opt_fork)
    tvhlog_options &= ~TVHLOG_OPT_STDERR;
  if (!isatty(2))
    tvhlog_options &= ~TVHLOG_OPT_DECORATE;
  
  /* Initialise clock */
  pthread_mutex_lock(&global_lock);
  time(&dispatch_clock);

  /* Signal handling */
  sigfillset(&set);
  sigprocmask(SIG_BLOCK, &set, NULL);
  trap_init(argv[0]);
  
  /* Initialise configuration */
  uuid_init();
  idnode_init();
  config_init(opt_config);

  /**
   * Initialize subsystems
   */
  
  api_init();

  fsmonitor_init();

#if ENABLE_LIBAV
  libav_init();
  transcoding_init();
#endif

  imagecache_init();

  service_init();

#if ENABLE_TSFILE
  if(opt_tsfile.num) {
    tsfile_init(opt_tsfile_tuner ?: opt_tsfile.num);
    for (i = 0; i < opt_tsfile.num; i++)
      tsfile_add_file(opt_tsfile.str[i]);
  }
#endif
#if ENABLE_MPEGTS_DVB
  dvb_network_init();
#endif
#if ENABLE_IPTV
  iptv_init();
#endif
#if ENABLE_LINUXDVB
  linuxdvb_init(adapter_mask);
#endif

  channel_init();

  subscription_init();

  access_init(opt_firstrun, opt_noacl);

#if ENABLE_TIMESHIFT
  timeshift_init();
#endif

  http_client_init();
  tcp_server_init(opt_ipv6);
  http_server_init(opt_bindaddr);
  webui_init();

  service_mapper_init();

  descrambler_init();

  epggrab_init();
  epg_init();

  dvr_init();

  htsp_init(opt_bindaddr);


  if(opt_subscribe != NULL)
    subscription_dummy_join(opt_subscribe, 1);

  avahi_init();

  epg_updated(); // cleanup now all prev ref's should have been created

  pthread_mutex_unlock(&global_lock);

  /**
   * Wait for SIGTERM / SIGINT, but only in this thread
   */

  sigemptyset(&set);
  sigaddset(&set, SIGTERM);
  sigaddset(&set, SIGINT);

  signal(SIGTERM, doexit);
  signal(SIGINT, doexit);

  pthread_sigmask(SIG_UNBLOCK, &set, NULL);

  tvhlog(LOG_NOTICE, "START", "HTS Tvheadend version %s started, "
         "running as PID:%d UID:%d GID:%d, CWD:%s CNF:%s",
         tvheadend_version,
         getpid(), getuid(), getgid(), getcwd(buf, sizeof(buf)),
         hts_settings_get_root());

  if(opt_abort)
    abort();

  mainloop();

  tvhftrace("main", htsp_done);
  tvhftrace("main", http_server_done);
  tvhftrace("main", webui_done);
  tvhftrace("main", http_client_done);
  tvhftrace("main", fsmonitor_done);
#if ENABLE_MPEGTS_DVB
  tvhftrace("main", dvb_network_done);
#endif
#if ENABLE_IPTV
  tvhftrace("main", iptv_done);
#endif
#if ENABLE_LINUXDVB
  tvhftrace("main", linuxdvb_done);
#endif
#if ENABLE_TSFILE
  tvhftrace("main", tsfile_done);
#endif

  // Note: the locking is obviously a bit redundant, but without
  //       we need to disable the gtimer_arm call in epg_save()
  pthread_mutex_lock(&global_lock);
  tvhftrace("main", epg_save);

#if ENABLE_TIMESHIFT
  tvhftrace("main", timeshift_term);
#endif
  pthread_mutex_unlock(&global_lock);

  tvhftrace("main", epggrab_done);
  tvhftrace("main", tcp_server_done);
  tvhftrace("main", descrambler_done);
  tvhftrace("main", service_mapper_done);
  tvhftrace("main", service_done);
  tvhftrace("main", channel_done);
  tvhftrace("main", dvr_done);
  tvhftrace("main", subscription_done);
  tvhftrace("main", access_done);
  tvhftrace("main", epg_done);
  tvhftrace("main", avahi_done);
  tvhftrace("main", imagecache_done);
  tvhftrace("main", idnode_done);
  tvhftrace("main", lang_code_done);
  tvhftrace("main", api_done);
  tvhftrace("main", config_done);
  tvhftrace("main", hts_settings_done);
  tvhftrace("main", dvb_done);
  tvhftrace("main", lang_str_done);

  tvhlog(LOG_NOTICE, "STOP", "Exiting HTS Tvheadend");
  tvhlog_end();

  if(opt_fork)
    unlink(opt_pidpath);
    
  free(opt_tsfile.str);

  return 0;
}