Beispiel #1
0
/**
   @brief AutoBuilder Entry Point
   @param argc Number of arguments passed through argv
   @param argv String representation of arguments passed to the
   application
   @return EXIT_SUCCESS on success or a non-zero integer on failure.
**/
int
main (int argc, char ** argv)
{
  conf_t conf;
  conf_err_t cerr;
  opt_t opt;
  opt_err_t oerr;
  const char *db_type, *db_host, *db_port, *db_user, *db_pass, *db_db;

  /* Parse the command line */
  oerr = opt_init(&opt, argc, argv, 1);
  if (oerr != OPT_OK)
    {
      fprintf (stderr, "%s\n", SHORT_HELP);
      opt_destroy (&opt);
      return EXIT_FAILURE;
    }
  if (opt.help)
    {
      fprintf (stderr, "%s\n", HELP_TXT);
      return EXIT_SUCCESS;
    }

  /* Parse the configuration */
  cerr = conf_init (&conf, opt.conf);
  if (cerr != CONF_OK)
    {
      fprintf (stderr, "Configuration Error: %s", conf_get_err (&conf));
      conf_destroy (&conf);
      opt_destroy (&opt);
      return EXIT_FAILURE;
    }

  /* Read Database Options */
  db_type = conf_get (&conf, "DB_TYPE");
  db_host = conf_get (&conf, "DB_HOST");
  db_port = conf_get (&conf, "DB_PORT");
  db_user = conf_get (&conf, "DB_USER");
  db_pass = conf_get (&conf, "DB_PASS");
  db_db   = conf_get (&conf, "DB_DB");

  /* Connect to the database */
  //db_connect (db_type, db_host, db_port, db_user, db_pass, db_db);

  /* Cleanup */
  conf_destroy (&conf);
  opt_destroy (&opt);

  return EXIT_SUCCESS;
}
Beispiel #2
0
Datei: opt.c Projekt: kainz/diod
int
opt_check_allowed_csv (Opt o, const char *csv)
{
    Opt allow;
    ListIterator itr;
    char *item, *cpy, *p;
    int ret = 0;

    NP_ASSERT (o->magic == OPT_MAGIC);

    allow = opt_create ();
    opt_addf (allow, "%s", csv);

    if (!(itr = list_iterator_create (o->list)))
        msg_exit ("out of memory");
    while ((item = list_next (itr))) {
        if (!(cpy = strdup (item)))
            msg_exit ("out of memory");
        if ((p = strchr (cpy, '=')))
            *p = '\0';
        if (!opt_find (allow, cpy)) {
            ret = 1;
            free (cpy);
            break;
        }
        free (cpy);
    }
    list_iterator_destroy (itr);

    opt_destroy (allow);
    return ret;
}
Beispiel #3
0
int
main (int argc, char *argv[])
{
    char *dir = NULL;
    char *spec, *host;
    char *nspec = NULL;
    int c, i;
    int nopt = 0;
    int vopt = 0;
    int fopt = 0;
    int aopt = 0;
    int dopt = 0;
    int rfd = -1, wfd = -1;
    Opt o; 

    diod_log_init (argv[0]);

    o = opt_create ();

    opterr = 0;
    while ((c = GETOPT (argc, argv, OPTIONS, longopts)) != -1) {
        switch (c) {
            case 'f':   /* --fake-mount */
                fopt = 1;
                break;
            case 'n':   /* --no-mtab */
                nopt = 1;
                break;
            case 'v':   /* --verbose */
                vopt++;
                break;
            case 'o':   /* --options OPT[,OPT]... */
                opt_addf (o, "%s", optarg);
                break;
            case 'a':   /* --9nbd-attach */
                aopt++;
                break;
            case 'd':   /* --9nbd-detach */
                dopt++;
                break;
            default:
                usage ();
        }
    }

    /* Take care of 9nbd operations and exit.
     */
    if (aopt) {
        _nbd_attach (o, argc - optind, argv + optind, nopt, vopt);
        exit (0);
    }
    if (dopt) {
        _nbd_detach (o, argc - optind, argv + optind, nopt, vopt);
        exit (0);
    }

    if (optind != argc - 2)
        usage ();

    if (geteuid () != 0)
        msg_exit ("you must be root");

    spec = argv[optind++];
    dir = argv[optind++];
    host = _parse_spec (spec, o);

    _verify_mountpoint (dir);

    /* Remount - only pass mount flags into the VFS for an existing mount.
     * Take care of it here and exit.
     */
    if (opt_find (o, "remount")) {
        if (opt_check_allowed_csv (o, "ro,rw,aname,remount"))
            msg_exit ("-oremount can only be used with ro,rw");
        _diod_remount (o, spec, dir, vopt, fopt);
        goto done;
    }

    /* Ensure uname and access are set, and to diod-compatible values.
     * The uname user becomes the euid which will be used by munge auth.
     */
    _parse_uname_access (o);
     if (seteuid (_uname2uid (opt_find (o, "uname"))) < 0)
        err_exit ("seteuid");

    /* We require -otrans=fd because auth occurs in user space, then live fd
     * is passed to the kernel via -orfdno,wfdno.
     */
    if (!opt_find (o, "trans"))
        opt_addf (o, "trans=%s", "fd");
    else if (!opt_find (o, "trans=fd"))
        msg_exit ("only -otrans=fd transport is supported");

    /* Set msize if not already set.  Validate it later.
     */
    if (!opt_find (o, "msize"))
        opt_addf (o, "msize=%d", DIOD_DEFAULT_MSIZE);

    /* Only .L version is supported.
     */
    if (!opt_find (o, "version"))
        opt_addf (o, "version=%s", "9p2000.L");
    else if (!opt_find (o, "version=9p2000.L"))
        msg_exit ("only -oversion=9p2000.L is supported (little p, big L)");

    /* Set debug level.
     */
    if (!opt_find (o, "debug"))
        opt_addf (o, "debug=%d", 0x1); /* send errors to dmesg */

    /* Set rwdepth (number of concurrent reads with buffer > msize).
     * N.B. this option is not upstream yet but unknown options are ignored.
     */
    if (!opt_find (o, "rwdepth"))
        opt_addf (o, "rwdepth=%d", 1);

    /* Server is on an inherited file descriptor.
     * For testing, we start server on a socketpair duped to fd 0.
     */
    if (opt_find (o, "rfdno") || opt_find (o, "wfdno")) {
        if (!opt_scanf (o, "rfdno=%d", &rfd) || !opt_scanf (o, "wfdno=%d",&wfd))
            msg_exit ("-orfdno,wfdno must be used together");
        nopt = 1; /* force no mtab */

    /* Connect to server on UNIX domain socket
     */
    } else if (host[0] == '/') {
        if (opt_find (o, "port"))
            msg_exit ("-oport won't work with UNIX domain socket");
        if ((rfd = diod_sock_connect_unix (host, 0)) < 0)
            exit (1);
        wfd = rfd;

        opt_addf (o, "rfdno=%d", rfd);
        opt_addf (o, "wfdno=%d", wfd);

    /* Connect to server on IANA port (or user-specified) and host.
     */
    } else {
        char *port = opt_find (o, "port");
        hostlist_iterator_t hi;
        hostlist_t hl; 
        char *h;

        if (!port)
            port = "564";
        if (!(hl = hostlist_create (host)))
            msg_exit ("error parsing host string: %s", host);
        if (!(hi = hostlist_iterator_create (hl)))
            msg_exit ("out of memory");
        while ((h = hostlist_next (hi))) {
            if (vopt)
                msg ("trying to connect to %s:%s", h, port);
            if ((rfd = diod_sock_connect_inet (h, port, DIOD_SOCK_QUIET)) >= 0)
                break;
        }
        if (h) { /* create new 'spec' string identifying successful host */
            char *p = strchr (spec , ':');
            int len = strlen (h) + (p ? strlen (p) : 0) + 1;

            if (!(nspec = malloc (len)))
                msg_exit ("out of memory");
            snprintf (nspec, len, "%s%s", h, p ? p : "");
        }
        hostlist_destroy (hl);
        if (rfd < 0)
            msg_exit ("could not connect to server(s), giving up");
        wfd = rfd;
        
        opt_delete (o, "port");
        opt_addf (o, "rfdno=%d", rfd);
        opt_addf (o, "wfdno=%d", wfd);
    }

    NP_ASSERT (opt_find (o, "trans=fd"));
    NP_ASSERT (opt_scanf (o, "msize=%d", &i));
    NP_ASSERT (opt_find (o, "version=9p2000.L"));
    NP_ASSERT (opt_scanf (o, "debug=%d", &i) || opt_scanf (o, "debug=%x", &i));
    NP_ASSERT (opt_scanf (o, "wfdno=%d", &i) && opt_scanf (o, "rfdno=%d", &i));
    NP_ASSERT ((opt_find (o, "access=user") && opt_find(o, "uname=root"))
         || (opt_scanf (o, "access=%d", &i) && opt_find(o, "uname")));

    NP_ASSERT (!opt_find (o, "port"));

    _diod_mount (o, rfd, wfd, nspec ? nspec : spec, dir, vopt, fopt, nopt);

done:
    opt_destroy (o);
    exit (0);
}