Ejemplo n.º 1
0
WINDOW *
opennetstat()
{
	sethostent(1);
	setnetent(1);
	return (subwin(stdscr, LINES-5-1, 0, 5, 0));
}
Ejemplo n.º 2
0
static void
test_network (void)
{
  struct netent *nptr;
  u_int32_t ip;

  /*
     This test needs the following line in /etc/networks:
     loopback        127.0.0.0
  */
  nptr = getnetbyname ("loopback");
  output_netent ("getnetbyname (\"loopback\")",nptr);

  nptr = getnetbyname ("LoopBACK");
  output_netent ("getnetbyname (\"LoopBACK\")",nptr);

  ip = inet_network ("127.0.0.0");
  nptr = getnetbyaddr (ip, AF_INET);
  output_netent ("getnetbyaddr (inet_network (\"127.0.0.0\"), AF_INET)",nptr);

  setnetent (0);
  do
    {
      nptr = getnetent ();
      output_netent ("getnetent ()", nptr);
    }
  while (nptr != NULL);
  endnetent ();
}
Ejemplo n.º 3
0
static int
networks(int argc, char *argv[])
{
	int		i, rv = RV_OK;
	struct netent	*ne;
	in_addr_t	net;

	setnetent(1);
	if (argc == 2) {
		while ((ne = getnetent()) != NULL)
			networksprint(ne);
	} else {
		for (i = 2; i < argc; i++) {
			net = inet_network(argv[i]);
			if (net != INADDR_NONE)
				ne = getnetbyaddr(net, AF_INET);
			else
				ne = getnetbyname(argv[i]);
			if (ne != NULL)
				networksprint(ne);
			else {
				rv = RV_NOTFOUND;
				break;
			}
		}
	}
	endnetent();
	return rv;
}
Ejemplo n.º 4
0
void
nw_setnetent(int stayopen)
{
#ifdef HAS_SETNETENT
        setnetent(stayopen);
#endif
}
Ejemplo n.º 5
0
main()
{
	setnetent(1);
	struct netent *net;
	while((net=getnetent())!=NULL)
	{
		printf("%s,%d,%u\n",net->n_name,net->n_addrtype,net->n_net);
	}
	endservent();
}
Ejemplo n.º 6
0
setnetent_r(int stay_open)
#endif
{
#ifdef NET_R_ENT_ARGS
	UNUSED(ndptr);
#endif
	setnetent(stay_open);
#ifdef NET_R_SET_RESULT
	return (NET_R_SET_RESULT);
#endif
}
Ejemplo n.º 7
0
void ReadNetworksFile (const char *fname)
{
  static int been_here = 0;

  if (!fname || !*fname)
     return;

  if (been_here)  /* loading multiple network files */
  {
    free (networkFname);
    fclose (networkFile);
    networkFile = NULL;
  }
  been_here = 1;

  networkFname = strdup (fname);
  if (!networkFname)
     return;

  setnetent (1);
  if (!networkFile)
     return;

  while (1)
  {
    struct _netent *n, *n2 = (struct _netent*) getnetent();

    if (!n2 || (n = malloc(sizeof(*n))) == NULL)
       break;

    *n = *n2;
    n->next  = network0;
    network0 = n;
  }
  rewind (networkFile);
  atexit (endnetent);

#if 0  /* test */
  {
    struct _netent *n;

    printf ("%s entries:\n", fname);
    for (n = network0; n; n = n->next)
    {
      int i;
      printf ("net = %-15.15s name = %-10.10s  alias:",
              inet_ntoa(inet_makeaddr(n->n_net,0)), n->n_name);
      for (i = 0; n->n_aliases && n->n_aliases[i]; i++)
            printf (" %s", n->n_aliases[i]);
      puts ("");
    }
  }
#endif
}
Ejemplo n.º 8
0
struct netent *getnetbyaddr (uint32_t net, int type)
{
	register struct netent *p;

	setnetent(_net_stayopen);
	while ((p = getnetent()))
		if (p->n_addrtype == type && p->n_net == net)
			break;
	if (!_net_stayopen)
		endnetent();
	return (p);
}
Ejemplo n.º 9
0
int
select_ns(void)
{
	static int init = 0;
	if (kd == NULL) {
		num_disp = 1;
		return (0);
	}

	if (!init) {
		sethostent(1);
		setnetent(1);
		init = 1;
	}

	num_disp = num_ns;
	return (0);
}
Ejemplo n.º 10
0
struct netent *
getnetbyname(const char *name)
{
	register struct netent *p;
	register char **cp;

	setnetent(_net_stayopen);
	while (p = getnetent()) {
		if (strcmp(p->n_name, name) == 0)
			break;
		for (cp = p->n_aliases; *cp != 0; cp++)
			if (strcmp(*cp, name) == 0)
				goto found;
	}
found:
	if (!_net_stayopen)
		endnetent();
	return (p);
}
Ejemplo n.º 11
0
struct netent *getnetbyname_r(const char *name, struct netent *result,
							  char *buf, int bufsize)
{
	char **alias;

	pthread_mutex_lock(&net_iterate_lock);
	setnetent(0);
	while ((result = getnetent_r(result, buf, bufsize)) != NULL) {
		/* Check the entry's name and aliases against the given name. */
		if (strcmp(result->n_name, name) == 0)
			break;
		for (alias = result->n_aliases; *alias != 0; alias++) {
			if (strcmp(*alias, name) == 0)
				break;
		}
	}
	pthread_mutex_unlock(&net_iterate_lock);
	return result;
}
Ejemplo n.º 12
0
int main(int argc, char *argv[])
{
    char *hostname = NULL;
    struct protoent *p;
    struct protox *tp = NULL;	/* for printing cblocks & stats */
    int allprotos = 1;
    char *community = NULL;
    char *argp;
    struct snmp_session session;
    int dest_port = SNMP_PORT;
    int timeout = SNMP_DEFAULT_TIMEOUT;
    int version = SNMP_VERSION_1;
    int arg;

    init_mib();
    /*
     * Usage: snmpnetstatwalk -v 1 [-q] hostname community ...      or:
     * Usage: snmpnetstat [-v 2 ] [-q] hostname noAuth     ...
     */
    for(arg = 1; arg < argc; arg++){
	if (argv[arg][0] == '-'){
	    switch(argv[arg][1]){
              case 'V':
                fprintf(stderr,"UCD-snmp version: %s\n", VersionInfo);
                exit(0);
                break;

	      case 'h':
		usage();
		exit(0);

	      case 'd':
		snmp_set_dump_packet(1);
		break;

	      case 'q':
		snmp_set_quick_print(1);
		break;

	      case 'D':
                debug_register_tokens(&argv[arg][2]);
		snmp_set_do_debugging(1);
		break;
	      case 'p':
		if (argv[arg][2] != 0) dest_port = atoi(argv[arg]+2);
		else if (++arg == argc) {
		    usage();
		    exit(1);
		}
		else dest_port = atoi(argv[arg]);
		break;

	      case 't':
		if (argv[arg][2] != 0) timeout = atoi(argv[arg]+2);
		else if (++arg == argc) {
		    usage();
		    exit(1);
		}
		else timeout = atoi(argv[arg]);
		timeout *= 1000000;
		break;

	      case 'c':
		if (argv[arg][2] != 0) community = argv[arg]+2;
		else if (++arg == argc) {
		    usage();
		    exit(1);
		}
		else community = argv[arg];
		break;

	      case 'v':
		if (argv[arg][2] != 0) argp = argv[arg]+2;
		else if (arg == argc) {
		    usage();
		    exit(1);
		}
		else argp = argv[arg];
		if (!strcmp(argp,"1"))
		    version = SNMP_VERSION_1;
		else if (!strcmp(argp,"2c"))
		    version = SNMP_VERSION_2c;
		else {
		    fprintf(stderr, "Invalid version: %s\n", argp);
		    usage();
		    exit(1);
		}
		break;

	      case 'a':
		aflag++;
		break;

	      case 'i':
		iflag++;
		break;

	      case 'o':
		oflag++;
		break;

	      case 'n':
		nflag++;
		break;

	      case 'r':
		rflag++;
		break;

	      case 's':
		sflag++;
		break;

	      case 'P':
		if (++arg == argc) {
		    usage();
		    exit(1);
		}
		if ((tp = name2protox(argv [arg])) == NULLPROTOX) {
		  fprintf(stderr, "%s: unknown or uninstrumented protocol\n",
			  argv [arg]);
		  exit(1);
		}
		allprotos = 0;
		tp->pr_wanted = 1;
		break;

	      case 'I':
		iflag++;
		if (*(intrface = argv[arg] + 2) == 0) {
		  if (++arg == argc) {
		      usage();
		      exit(1);
		  }
		  if ((intrface = argv[arg]) == 0)
		    break;
		}
		break;

	      default:
		printf("invalid option: -%c\n", argv[arg][1]);
		break;
	    }
	    continue;
	}
	if (hostname == NULL){
	    hostname = argv[arg];
	} else if ((version == SNMP_VERSION_1 || version == SNMP_VERSION_2c)
                   && community == NULL){
	    community = argv[arg]; 
	} else if (isdigit(argv[arg][0])) {
            interval = atoi(argv[arg]);
            if (interval <= 0){
		usage();
		exit(1);
	    }
	    iflag++;
	} else {
	    usage();
	    exit(1);
	}
    }
    
    if (!hostname ||
	((version == SNMP_VERSION_1 || version == SNMP_VERSION_2c) && !community)) {
	usage();
	exit(1);
    }

    snmp_sess_init(&session);
    session.peername = hostname;
    session.remote_port = dest_port;
    session.timeout = timeout;
    if (version == SNMP_VERSION_1 || version == SNMP_VERSION_2c){
        session.version = version;
        session.community = (u_char *)community;
        session.community_len = strlen((char *)community);
    }

    SOCK_STARTUP;

    /* open an SNMP session */
    Session = snmp_open(&session);
    if (Session == NULL){
      /* diagnose snmp_open errors with the input struct snmp_session pointer */
        snmp_sess_perror("snmpnetstat", &session);
        SOCK_CLEANUP;
	exit(1);
    }

    /*
     * Keep file descriptors open to avoid overhead
     * of open/close on each call to get* routines.
     */
    sethostent(1);
    setnetent(1);
    setprotoent(1);
    setservent(1);

    if (iflag) {
	intpr(interval);
    }
    if (oflag) {
	intpro(interval);
    }
    if (rflag) {
	if (sflag)
	    rt_stats();
	else
	    routepr();
    }
    
    if (iflag || rflag || oflag)
	;
    else {

    while ((p = getprotoent46())) {
	for (tp = protox; tp->pr_name; tp++) {
	    if (strcmp(tp->pr_name, p->p_name) == 0)
		break;
	}
	if (tp->pr_name == 0 || (tp->pr_wanted == 0 && allprotos == 0))
	    continue;
	if (sflag) {
	    if (tp->pr_stats)
		(*tp->pr_stats)();
	} else
	    if (tp->pr_cblocks)
		(*tp->pr_cblocks)(tp->pr_name);
    }
    } /* ! iflag, rflag, oflag */

    endprotoent();
    endservent();
    endnetent();
    endhostent();

    snmp_close(Session);

    SOCK_CLEANUP;
    return 0;
}
Ejemplo n.º 13
0
int
main(int argc, char *argv[])
{
    char           *hostname = NULL;
    struct protoent *p;
    struct protox  *tp = NULL;  /* for printing cblocks & stats */
    int             allprotos = 1;
    char           *community = NULL;
    char           *argp;
    netsnmp_session session;
    int             timeout = SNMP_DEFAULT_TIMEOUT;
    int             version = SNMP_DEFAULT_VERSION;
    int             arg;

#ifndef DISABLE_MIB_LOADING
    init_mib();
#endif /* DISABLE_MIB_LOADING */
    /*
     * Usage: snmpnetstatwalk -v 1 [-q] hostname community ...      or:
     * Usage: snmpnetstat [-v 2 ] [-q] hostname noAuth     ...
     */
    while ((arg = getopt(argc, argv, "VhdqD:t:c:v:aionrsP:I:")) != EOF) {
        switch (arg) {
        case 'V':
            fprintf(stderr, "NET-SNMP version: %s\n",
                    netsnmp_get_version());
            exit(0);
            break;

        case 'h':
            usage();
            exit(0);

        case 'd':
            snmp_set_dump_packet(1);
            break;

        case 'q':
            snmp_set_quick_print(1);
            break;

        case 'D':
            debug_register_tokens(optarg);
            snmp_set_do_debugging(1);
            break;

        case 't':
            timeout = atoi(optarg);
            timeout *= 1000000;
            break;

        case 'c':
            community = optarg;
            break;

        case 'v':
            argp = optarg;
            version = -1;
#ifndef DISABLE_SNMPV1
            if (!strcasecmp(argp, "1"))
                version = SNMP_VERSION_1;
#endif
#ifndef DISABLE_SNMPV2C
            if (!strcasecmp(argp, "2c"))
                version = SNMP_VERSION_2c;
#endif
            if (version == -1) {
                fprintf(stderr, "Invalid version: %s\n", argp);
                usage();
                exit(1);
            }
            break;

        case 'a':
            aflag++;
            break;

        case 'i':
            iflag++;
            break;

        case 'o':
            oflag++;
            break;

        case 'n':
            nflag++;
            break;

        case 'r':
            rflag++;
            break;

        case 's':
            sflag++;
            break;

        case 'P':
            if ((tp = name2protox(optarg)) == NULLPROTOX) {
                fprintf(stderr, "%s: unknown or uninstrumented protocol\n",
                        optarg);
                exit(1);
            }
            allprotos = 0;
            tp->pr_wanted = 1;
            break;

        case 'I':
            iflag++;
            intrface = optarg;
            break;

        default:
            exit(1);
            break;
        }
        continue;
    }

    init_snmp("snmpapp");
    snmp_enable_stderrlog();
    if (version == SNMP_DEFAULT_VERSION) {
        version = netsnmp_ds_get_int(NETSNMP_DS_LIBRARY_ID,
		                     NETSNMP_DS_LIB_SNMPVERSION);
        if (!version) {
            switch (DEFAULT_SNMP_VERSION) {
#ifndef DISABLE_SNMPV1
            case 1:
                version = SNMP_VERSION_1;
                break;
#endif
#ifndef DISABLE_SNMPV2C
            case 2:
                version = SNMP_VERSION_2c;
                break;
#endif
            case 3:
                version = SNMP_VERSION_3;
                break;
            }
#ifndef DISABLE_SNMPV1
        } else if (version == NETSNMP_DS_SNMP_VERSION_1) {
                          /* Bogus value. version1 = 0 */
            version = SNMP_VERSION_1;
#endif
        }
    }
    if (optind < argc) {
        hostname = argv[optind++];
    }
    else {
        fprintf(stderr, "Missing host name.\n");
        exit(1);
    }
    if (community == NULL) {
	community = netsnmp_ds_get_string(NETSNMP_DS_LIBRARY_ID,
		                          NETSNMP_DS_LIB_COMMUNITY);
    }
    if (optind < argc && isdigit(argv[optind][0])) {
        interval = atoi(argv[optind++]);
        if (interval <= 0) {
            usage();
            exit(1);
        }
        iflag++;
    }
    if (optind < argc) {
        usage();
        exit(1);
    }


    snmp_sess_init(&session);
    session.peername = hostname;
    session.timeout = timeout;
#if !defined(DISABLE_SNMPV1) || !defined(DISABLE_SNMPV2C)
    if (version != SNMP_VERSION_3) {
        if (!community) {
            fprintf(stderr, "Missing community name.\n");
            exit(1);
        }
        session.version = version;
        session.community = (u_char *) community;
        session.community_len = strlen(community);
    }
#endif

    SOCK_STARTUP;

    /*
     * open an SNMP session 
     */
    Session = snmp_open(&session);
    if (Session == NULL) {
        /*
         * diagnose snmp_open errors with the input netsnmp_session pointer 
         */
        snmp_sess_perror("snmpnetstat", &session);
        SOCK_CLEANUP;
        exit(1);
    }

    /*
     * Keep file descriptors open to avoid overhead
     * of open/close on each call to get* routines.
     */
    sethostent(1);
    setnetent(1);
    setprotoent(1);
    setservent(1);

    if (iflag) {
        intpr(interval);
    }
    if (oflag) {
        intpro(interval);
    }
    if (rflag) {
        if (sflag)
            rt_stats();
        else
            routepr();
    }

    if (!(iflag || rflag || oflag)) {
        while ((p = getprotoent46())) {
            for (tp = protox; tp->pr_name; tp++) {
                if (strcmp(tp->pr_name, p->p_name) == 0)
                    break;
            }
            if (tp->pr_name == 0 || (tp->pr_wanted == 0 && allprotos == 0))
                continue;
            if (sflag) {
                if (tp->pr_stats)
                    (*tp->pr_stats) ();
            } else if (tp->pr_cblocks)
                (*tp->pr_cblocks) (tp->pr_name);
        }
    }                           /* ! iflag, rflag, oflag */

    endprotoent();
    endservent();
    endnetent();
    endhostent();

    snmp_close(Session);

    SOCK_CLEANUP;
    return 0;
}
Ejemplo n.º 14
0
int
main(int argc, char *argv[])
{
	struct protox *tp = NULL;  /* for printing cblocks & stats */
	int ch;

	af = AF_UNSPEC;

#ifdef LISP
	while ((ch = getopt(argc, argv, "AaBbdf:ghI:iLlM:mN:np:rSstuWw:zX")) != -1)
#else
	while ((ch = getopt(argc, argv, "AaBbdf:ghI:iLlM:mN:np:rSstuWw:z")) != -1)
#endif /* LISP */
		switch(ch) {
		case 'A':
			Aflag = 1;
			break;
		case 'a':
			aflag = 1;
			break;
		case 'B':
			Bflag = 1;
			break;
		case 'b':
			bflag = 1;
			break;
		case 'd':
			dflag = 1;
			break;
		case 'f':
			if (strcmp(optarg, "ipx") == 0)
				af = AF_IPX;
			else if (strcmp(optarg, "inet") == 0)
				af = AF_INET;
#ifdef INET6
			else if (strcmp(optarg, "inet6") == 0)
				af = AF_INET6;
#endif
#ifdef IPSEC
			else if (strcmp(optarg, "pfkey") == 0)
				af = PF_KEY;
#endif
			else if (strcmp(optarg, "unix") == 0)
				af = AF_UNIX;
			else if (strcmp(optarg, "atalk") == 0)
				af = AF_APPLETALK;
#ifdef NETGRAPH
			else if (strcmp(optarg, "ng") == 0
			    || strcmp(optarg, "netgraph") == 0)
				af = AF_NETGRAPH;
#endif
			else if (strcmp(optarg, "link") == 0)
				af = AF_LINK;
			else {
				errx(1, "%s: unknown address family", optarg);
			}
			break;
		case 'g':
			gflag = 1;
			break;
		case 'h':
			hflag = 1;
			break;
		case 'I': {
			char *cp;

			iflag = 1;
			for (cp = interface = optarg; isalpha(*cp); cp++)
				continue;
			unit = atoi(cp);
			break;
		}
		case 'i':
			iflag = 1;
			break;
		case 'L':
			Lflag = 1;
			break;
		case 'M':
			memf = optarg;
			break;
		case 'm':
			mflag = 1;
			break;
		case 'N':
			nlistf = optarg;
			break;
		case 'n':
			numeric_addr = numeric_port = 1;
			break;
		case 'p':
			if ((tp = name2protox(optarg)) == NULL) {
				errx(1,
				     "%s: unknown or uninstrumented protocol",
				     optarg);
			}
			pflag = 1;
			break;
		case 'r':
			rflag = 1;
			break;
#ifdef LISP
                case 'X':
                        Xflag = 1;
                        break;
#endif /* LISP */
		case 's':
			++sflag;
			break;
		case 'S':
			numeric_addr = 1;
			break;
		case 't':
			tflag = 1;
			break;
		case 'u':
			af = AF_UNIX;
			break;
		case 'W':
		case 'l':
			Wflag = 1;
			break;
		case 'w':
			interval = atoi(optarg);
			iflag = 1;
			break;
		case 'z':
			zflag = 1;
			break;
		case '?':
		default:
			usage();
		}
	argv += optind;
	argc -= optind;

#define	BACKWARD_COMPATIBILITY
#ifdef	BACKWARD_COMPATIBILITY
	if (*argv) {
		if (isdigit(**argv)) {
			interval = atoi(*argv);
			if (interval <= 0)
				usage();
			++argv;
			iflag = 1;
		}
		if (*argv) {
			nlistf = *argv;
			if (*++argv)
				memf = *argv;
		}
	}
#endif

	/*
	 * Discard setgid privileges if not the running kernel so that bad
	 * guys can't print interesting stuff from kernel memory.
	 */
	live = (nlistf == NULL && memf == NULL);
	if (!live)
		setgid(getgid());

	if (Bflag) {
		if (!live)
			usage();
		bpf_stats(interface);
		exit(0);
	}
	if (mflag) {
		if (!live) {
			if (kread(0, NULL, 0) == 0)
				mbpr(kvmd, nl[N_MBSTAT].n_value);
		} else
			mbpr(NULL, 0);
		exit(0);
	}
#if 0
	/*
	 * Keep file descriptors open to avoid overhead
	 * of open/close on each call to get* routines.
	 */
	sethostent(1);
	setnetent(1);
#else
	/*
	 * This does not make sense any more with DNS being default over
	 * the files.  Doing a setXXXXent(1) causes a tcp connection to be
	 * used for the queries, which is slower.
	 */
#endif
	kread(0, NULL, 0);
	if (iflag && !sflag) {
		intpr(interval, nl[N_IFNET].n_value, NULL);
		exit(0);
	}
	if (rflag) {
		if (sflag)
			rt_stats(nl[N_RTSTAT].n_value, nl[N_RTTRASH].n_value);
		else
			routepr(nl[N_RTREE].n_value);
		exit(0);
	}
#ifdef LISP
        if (Xflag) {
                if (sflag) {

                        map_stats();
                        exit(0);

                } else {
                        kread(0, 0, 0);
                        mappr(nl[N_MAPTREE].n_value);
                        exit(0);
                };
        };
#endif /* LISP */
	if (gflag) {
		if (sflag) {
			if (af == AF_INET || af == AF_UNSPEC)
				mrt_stats(nl[N_MRTSTAT].n_value);
#ifdef INET6
			if (af == AF_INET6 || af == AF_UNSPEC)
				mrt6_stats(nl[N_MRT6STAT].n_value);
#endif
		} else {
			if (af == AF_INET || af == AF_UNSPEC)
				mroutepr(nl[N_MFCTABLE].n_value,
					 nl[N_VIFTABLE].n_value);
#ifdef INET6
			if (af == AF_INET6 || af == AF_UNSPEC)
				mroute6pr(nl[N_MF6CTABLE].n_value,
					  nl[N_MIF6TABLE].n_value);
#endif
		}
		ifmalist_dump();
		exit(0);
	}

	if (tp) {
		printproto(tp, tp->pr_name);
		exit(0);
	}
	if (af == AF_INET || af == AF_UNSPEC)
		for (tp = protox; tp->pr_name; tp++)
			printproto(tp, tp->pr_name);
#ifdef INET6
	if (af == AF_INET6 || af == AF_UNSPEC)
		for (tp = ip6protox; tp->pr_name; tp++)
			printproto(tp, tp->pr_name);
#endif /*INET6*/
#ifdef IPSEC
	if (af == PF_KEY || af == AF_UNSPEC)
		for (tp = pfkeyprotox; tp->pr_name; tp++)
			printproto(tp, tp->pr_name);
#endif /*IPSEC*/
#ifdef IPX
	if (af == AF_IPX || af == AF_UNSPEC) {
		for (tp = ipxprotox; tp->pr_name; tp++)
			printproto(tp, tp->pr_name);
	}
#endif /* IPX */
	if (af == AF_APPLETALK || af == AF_UNSPEC)
		for (tp = atalkprotox; tp->pr_name; tp++)
			printproto(tp, tp->pr_name);
#ifdef NETGRAPH
	if (af == AF_NETGRAPH || af == AF_UNSPEC)
		for (tp = netgraphprotox; tp->pr_name; tp++)
			printproto(tp, tp->pr_name);
#endif /* NETGRAPH */
	if ((af == AF_UNIX || af == AF_UNSPEC) && !sflag)
		unixpr(nl[N_UNP_COUNT].n_value, nl[N_UNP_GENCNT].n_value,
		    nl[N_UNP_DHEAD].n_value, nl[N_UNP_SHEAD].n_value);
	exit(0);
}
Ejemplo n.º 15
0
void ReadNetworksFile (const char *fname)
{
  static BOOL been_here = FALSE;

  if (!fname || !*fname)
     return;

  if (been_here)  /* loading multiple network files */
  {
    free (networkFname);
    fclose (networkFile);
    networkFile = NULL;
  }

  networkFname = strdup (fname);
  if (!networkFname)
     return;

  setnetent (1);
  if (!networkFile)
     return;

  been_here = TRUE;

  while (1)
  {
    struct netent  *n = getnetent();
    struct _netent *n2;
    int    i;

    if (!n)
       break;

    n2 = (struct _netent*) calloc (sizeof(*n2), 1);
    if (!n2)
    {
      outs (networkFname);
      outsnl (_LANG(" too big!"));
      break;
    }

    for (i = 0; n->n_aliases[i]; i++)
        n2->n_aliases[i] = strdup (n->n_aliases[i]);
    n2->n_net      = n->n_net;
    n2->n_addrtype = n->n_addrtype;
    n2->n_name     = strdup (n->n_name);
    if (!n2->n_name)
       break;
    n2->n_next = network0;
    network0   = n2;
  }
  rewind (networkFile);
  RUNDOWN_ADD (endnetent, 251);

#if 0  /* test */
  {
    struct _netent *n;

    printf ("\n%s entries:\n", networkFname);

    for (n = network0; n; n = n->n_next)
    {
      int i;
      printf ("net %-15.15s name %-10.10s  Aliases:",
              inet_ntoa(inet_makeaddr(n->n_net,0)), n->n_name);
      for (i = 0; n->n_aliases[i]; i++)
          printf (" %s,", n->n_aliases[i]);
      puts ("");
    }
    fflush (stdout);
  }
#endif
}
Ejemplo n.º 16
0
int
main(int argc, char *argv[])
{
	netsnmp_session session;
	struct protoent *p;
        char *cp;

	af = AF_UNSPEC;
        cp = strrchr( argv[0], '/' );
        if (cp)
            progname = cp+1;
        else
            progname = argv[0];

	switch (snmp_parse_args( argc, argv, &session, "C:iRs", optProc)) {
	case NETSNMP_PARSE_ARGS_ERROR:
	    exit(1);
	case NETSNMP_PARSE_ARGS_SUCCESS_EXIT:
	    exit(0);
	case NETSNMP_PARSE_ARGS_ERROR_USAGE:
	    usage();
	    exit(1);
	default:
	    break;
	}

	    /*
	     * Check argc vs optind ??
	     */
	argv += optind;
	argc -= optind;

    /*
     * Open an SNMP session.
     */
    SOCK_STARTUP;
    ss = snmp_open(&session);
    if (ss == NULL) {
        /*
         * diagnose snmp_open errors with the input netsnmp_session pointer 
         */
        snmp_sess_perror("snmpnetstat", &session);
        SOCK_CLEANUP;
        exit(1);
    }

	/*
	 * Omitted:
	 *     Privilege handling
	 *    "Backward Compatibility"
	 *     Kernel namelis handling
	 */

	if (mflag) {
            /*
		mbpr(nl[N_MBSTAT].n_value, nl[N_MBPOOL].n_value,
		    nl[N_MCLPOOL].n_value);
             */
		exit(0);
	}
	if (pflag) {
		printproto(tp, tp->pr_name);
		exit(0);
	}
	/*
	 * Keep file descriptors open to avoid overhead
	 * of open/close on each call to get* routines.
	 */
	sethostent(1);
	setnetent(1);
	if (iflag) {
		intpr(interval);
		exit(0);
	}
	if (rflag) {
             /*
		if (sflag)
			rt_stats();
		else
              */
		if (Lflag || routexpr(af) == 0) {
		    if (route4pr(af) == 0 && af == AF_INET) routepr();
		    route6pr(af);
		}
		exit(0);
	}
     /*
	if (gflag) {
		if (sflag) {
			if (af == AF_INET || af == AF_UNSPEC)
				mrt_stats(nl[N_MRTPROTO].n_value,
				    nl[N_MRTSTAT].n_value);
#ifdef NETSNMP_ENABLE_IPV6
			if (af == AF_INET6 || af == AF_UNSPEC)
				mrt6_stats(nl[N_MRT6PROTO].n_value,
				    nl[N_MRT6STAT].n_value);
#endif
		}
		else {
			if (af == AF_INET || af == AF_UNSPEC)
				mroutepr(nl[N_MRTPROTO].n_value,
				    nl[N_MFCHASHTBL].n_value,
				    nl[N_MFCHASH].n_value,
				    nl[N_VIFTABLE].n_value);
#ifdef NETSNMP_ENABLE_IPV6
			if (af == AF_INET6 || af == AF_UNSPEC)
				mroute6pr(nl[N_MRT6PROTO].n_value,
				    nl[N_MF6CTABLE].n_value,
				    nl[N_MIF6TABLE].n_value);
#endif
		}
		exit(0);
	}
     */
	setservent(1);
	if (af == AF_UNSPEC && Lflag) {
		setprotoent(1);
		/* ugh, this is O(MN) ... why do we do this? */
		while ((p = getprotoent())) {
			for (tp = protox; tp->pr_name; tp++)
				if (strcmp(tp->pr_name, p->p_name) == 0)
					if (tp->pr_name && tp->pr_wanted)
					    printproto(tp, p->p_name);
		}
		endprotoent();
	}
	if (af == AF_UNSPEC && !Lflag)
		for (tp = ipxprotox; tp->pr_name; tp++)
			printproto(tp, tp->pr_name);
	if (af == AF_INET)
		for (tp = protox; tp->pr_name; tp++)
			printproto(tp, tp->pr_name);
	if (af == AF_INET6)
		for (tp = ip6protox; tp->pr_name; tp++)
			printproto(tp, tp->pr_name);
    /*
	if (af == AF_IPX || af == AF_UNSPEC)
		for (tp = ipxprotox; tp->pr_name; tp++)
			printproto(tp, tp->pr_name);
	if (af == AF_NS || af == AF_UNSPEC)
		for (tp = nsprotox; tp->pr_name; tp++)
			printproto(tp, tp->pr_name);
	if ((af == AF_UNIX || af == AF_UNSPEC) && !sflag)
		unixpr(nl[N_UNIXSW].n_value);
	if (af == AF_APPLETALK || af == AF_UNSPEC)
		for (tp = atalkprotox; tp->pr_name; tp++)
			printproto(tp, tp->pr_name);
     */
	exit(0);
}
Ejemplo n.º 17
0
struct netent * getnetent(void) {
	char netent_buff[NETENT_BUFF_SZ];
	struct netent *ne, *result;
	char *tmp, *name, *net_str;
	struct in_addr net;

	/* prepare file (if needed) */
	if (networks == NULL) {
		setnetent(0);
	}

	result = NULL;

	/* read hostent from file */
	while (1) {
		/* Format: <name> <net> [alias, ...] */

		/* get line */
		tmp = fgets(&netent_buff[0], sizeof netent_buff, networks);
		if (tmp == NULL) {
			break;
		}

		/* skip comments */
		if (*tmp == '#') {
			continue;
		}

		/* create netent structure */
		ne = netent_create();
		if (ne == NULL) {
			break;
		}

		/* get main name */
		skip_spaces(tmp);
		name = tmp;
		skip_word(tmp);
		*tmp++ = '\0';
		if (*name == '\0') {
			continue; /* unspecified official name */
		}
		if (netent_set_name(ne, name) != 0) {
			break; /* error occurred */
		}

		/* get net */
		skip_spaces(tmp);
		net_str = tmp;
		skip_word(tmp);
		if (*tmp == '\0') {
			continue; /* invalid format */
		}
		*tmp++ = '\0';
		if (!inet_aton(net_str, &net)) {
			continue; /* bad ip */
		}
		if (netent_set_addr_info(ne, AF_INET) != 0) {
			break; /* error occurred */
		}
		if (netent_set_net(ne, ntohl(net.s_addr)) != 0) {
			break; /* error occurred */
		}

		/* get alternate name */
		while (1) {
			skip_spaces(tmp);
			name = tmp;
			skip_word(tmp);
			*tmp++ = '\0';
			if (*name == '\0') {
				break;
			}
			if (netent_add_alias(ne, name) != 0) {
				break;
			}
		}

		/* save result */
		result = ne;

		/* exit */
		break;
	}

	/* close file (if needed) */
	if (is_disposable) {
		endnetent();
	}

	return result;
}
Ejemplo n.º 18
0
int
main(int argc, char *argv[])
{
	struct protox *tp = NULL;  /* for printing cblocks & stats */
	int ch;
	int fib = -1;
	char *endptr;

	af = AF_UNSPEC;

	while ((ch = getopt(argc, argv, "46AaBbdF:f:ghI:iLlM:mN:np:Qq:RrSTsuWw:xz"))
	    != -1)
		switch(ch) {
		case '4':
#ifdef INET
			af = AF_INET;
#else
			errx(1, "IPv4 support is not compiled in");
#endif
			break;
		case '6':
#ifdef INET6
			af = AF_INET6;
#else
			errx(1, "IPv6 support is not compiled in");
#endif
			break;
		case 'A':
			Aflag = 1;
			break;
		case 'a':
			aflag = 1;
			break;
		case 'B':
			Bflag = 1;
			break;
		case 'b':
			bflag = 1;
			break;
		case 'd':
			dflag = 1;
			break;
		case 'F':
			fib = strtol(optarg, &endptr, 0);
			if (*endptr != '\0' ||
			    (fib == 0 && (errno == EINVAL || errno == ERANGE)))
				errx(1, "%s: invalid fib", optarg);
			break;
		case 'f':
			if (strcmp(optarg, "inet") == 0)
				af = AF_INET;
#ifdef INET6
			else if (strcmp(optarg, "inet6") == 0)
				af = AF_INET6;
#endif
#ifdef IPSEC
			else if (strcmp(optarg, "pfkey") == 0)
				af = PF_KEY;
#endif
			else if (strcmp(optarg, "unix") == 0)
				af = AF_UNIX;
#ifdef NETGRAPH
			else if (strcmp(optarg, "ng") == 0
			    || strcmp(optarg, "netgraph") == 0)
				af = AF_NETGRAPH;
#endif
			else if (strcmp(optarg, "link") == 0)
				af = AF_LINK;
			else {
				errx(1, "%s: unknown address family", optarg);
			}
			break;
		case 'g':
			gflag = 1;
			break;
		case 'h':
			hflag = 1;
			break;
		case 'I': {
			char *cp;

			iflag = 1;
			for (cp = interface = optarg; isalpha(*cp); cp++)
				continue;
			unit = atoi(cp);
			break;
		}
		case 'i':
			iflag = 1;
			break;
		case 'L':
			Lflag = 1;
			break;
		case 'M':
			memf = optarg;
			break;
		case 'm':
			mflag = 1;
			break;
		case 'N':
			nlistf = optarg;
			break;
		case 'n':
			numeric_addr = numeric_port = 1;
			break;
		case 'p':
			if ((tp = name2protox(optarg)) == NULL) {
				errx(1,
				     "%s: unknown or uninstrumented protocol",
				     optarg);
			}
			pflag = 1;
			break;
		case 'Q':
			Qflag = 1;
			break;
		case 'q':
			noutputs = atoi(optarg);
			if (noutputs != 0)
				noutputs++;
			break;
		case 'r':
			rflag = 1;
			break;
		case 'R':
			Rflag = 1;
			break;
		case 's':
			++sflag;
			break;
		case 'S':
			numeric_addr = 1;
			break;
		case 'u':
			af = AF_UNIX;
			break;
		case 'W':
		case 'l':
			Wflag = 1;
			break;
		case 'w':
			interval = atoi(optarg);
			iflag = 1;
			break;
		case 'T':
			Tflag = 1;
			break;
		case 'x':
			xflag = 1;
			break;
		case 'z':
			zflag = 1;
			break;
		case '?':
		default:
			usage();
		}
	argv += optind;
	argc -= optind;

#define	BACKWARD_COMPATIBILITY
#ifdef	BACKWARD_COMPATIBILITY
	if (*argv) {
		if (isdigit(**argv)) {
			interval = atoi(*argv);
			if (interval <= 0)
				usage();
			++argv;
			iflag = 1;
		}
		if (*argv) {
			nlistf = *argv;
			if (*++argv)
				memf = *argv;
		}
	}
#endif

	/*
	 * Discard setgid privileges if not the running kernel so that bad
	 * guys can't print interesting stuff from kernel memory.
	 */
	live = (nlistf == NULL && memf == NULL);
	if (!live)
		setgid(getgid());

	if (xflag && Tflag) 
		errx(1, "-x and -T are incompatible, pick one.");

	if (Bflag) {
		if (!live)
			usage();
		bpf_stats(interface);
		exit(0);
	}
	if (mflag) {
		if (!live) {
			if (kread(0, NULL, 0) == 0)
				mbpr(kvmd, nl[N_SFSTAT].n_value);
		} else
			mbpr(NULL, 0);
		exit(0);
	}
	if (Qflag) {
		if (!live) {
			if (kread(0, NULL, 0) == 0)
				netisr_stats(kvmd);
		} else
			netisr_stats(NULL);
		exit(0);
	}
#if 0
	/*
	 * Keep file descriptors open to avoid overhead
	 * of open/close on each call to get* routines.
	 */
	sethostent(1);
	setnetent(1);
#else
	/*
	 * This does not make sense any more with DNS being default over
	 * the files.  Doing a setXXXXent(1) causes a tcp connection to be
	 * used for the queries, which is slower.
	 */
#endif
	if (iflag && !sflag) {
		intpr(interval, NULL, af);
		exit(0);
	}
	if (rflag) {
		if (sflag) {
			rt_stats();
			flowtable_stats();
		} else
			routepr(fib, af);
		exit(0);
	}

	if (gflag) {
		if (sflag) {
			if (af == AF_INET || af == AF_UNSPEC)
				mrt_stats();
#ifdef INET6
			if (af == AF_INET6 || af == AF_UNSPEC)
				mrt6_stats();
#endif
		} else {
			if (af == AF_INET || af == AF_UNSPEC)
				mroutepr();
#ifdef INET6
			if (af == AF_INET6 || af == AF_UNSPEC)
				mroute6pr();
#endif
		}
		exit(0);
	}

	/* Load all necessary kvm symbols */
	kresolve_list(nl);

	if (tp) {
		printproto(tp, tp->pr_name);
		exit(0);
	}
	if (af == AF_INET || af == AF_UNSPEC)
		for (tp = protox; tp->pr_name; tp++)
			printproto(tp, tp->pr_name);
#ifdef INET6
	if (af == AF_INET6 || af == AF_UNSPEC)
		for (tp = ip6protox; tp->pr_name; tp++)
			printproto(tp, tp->pr_name);
#endif /*INET6*/
#ifdef IPSEC
	if (af == PF_KEY || af == AF_UNSPEC)
		for (tp = pfkeyprotox; tp->pr_name; tp++)
			printproto(tp, tp->pr_name);
#endif /*IPSEC*/
#ifdef NETGRAPH
	if (af == AF_NETGRAPH || af == AF_UNSPEC)
		for (tp = netgraphprotox; tp->pr_name; tp++)
			printproto(tp, tp->pr_name);
#endif /* NETGRAPH */
	if ((af == AF_UNIX || af == AF_UNSPEC) && !sflag)
		unixpr(nl[N_UNP_COUNT].n_value, nl[N_UNP_GENCNT].n_value,
		    nl[N_UNP_DHEAD].n_value, nl[N_UNP_SHEAD].n_value,
		    nl[N_UNP_SPHEAD].n_value);
	exit(0);
}
Ejemplo n.º 19
0
_WCRTLINK struct netent *getnetent( void )
{
    static struct netent    ret;
    char                    *alias;

    /* For loading a line from the services file */
    static char             *buf = NULL;
    static size_t           buflen = 0;
    char                    *buf_ptr;

    /* Translating the port string */
    char *address;


    /* For line parsing */
    int i;

    if( __netFile == NULL )
        setnetent( 0 );

    /* First pass */
    if( buf == NULL ) {
        buflen = 64;
        buf = (char *)malloc( buflen );
        if( buf ) {
            *buf = '\0';
        } else {
            buflen = 0;
        }
    }

    if( __getconfigline( &buf, &buflen, __netFile ) < 0 )
        return( NULL );

    if( __netClose )
        endnetent();

    /* Name */
    ret.n_name = strtok_r( buf, " \t", &buf_ptr );

    /* OW only supports AF_INET for now */
    ret.n_addrtype  = AF_INET;

    /* Address */
    address = strtok_r( NULL, " \t", &buf_ptr );
    ret.n_net = inet_addr(address);

    /* Load in any aliases */
    if(ret.n_aliases == NULL)
        ret.n_aliases = (char **)malloc( (1 + MAX_NET_ALIASES)*sizeof( char * ) );

    /* Explcitly NULL the entries in a nice, readable manner */
    for( i = 0; i < (1 + MAX_NET_ALIASES) && ret.n_aliases != NULL; i++ )
        ret.n_aliases[i] = NULL;

    alias = strtok_r( NULL, " \t", &buf_ptr );

    if( alias && *alias != '#' && *alias != ';' && ret.n_aliases != NULL ) {
        i = -1;
        do {
            i++;
            if( *alias == '#' || *alias == ';' )
                break;

            ret.n_aliases[i] = strtok_r( NULL, " \t", &buf_ptr );

            if( ret.n_aliases[i] == NULL ) {
                break;
            } else if( ret.n_aliases[i][0] == '\0' ) {
                ret.n_aliases[i] = NULL;
                break;
            }

        } while( i < MAX_NET_ALIASES );

    }

    return( &ret );
}
Ejemplo n.º 20
0
int
main(int argc, char **argv)
{
	struct protox *tp = NULL;  /* for printing cblocks & stats */
	int ch;
	int n;

	af = AF_UNSPEC;

	while ((ch = getopt(argc, argv, "Aabc:df:gI:iLlM:mN:nPp:rSsBtuWw:z")) != -1)
		switch(ch) {
		case 'A':
			Aflag = 1;
			break;
		case 'a':
			aflag = 1;
			break;
		case 'b':
			bflag = 1;
			break;
		case 'c':
			kread(0, 0, 0);
			kread(nl[N_NCPUS].n_value, (char *)&n, sizeof(n));
			cpuflag = strtol(optarg, NULL, 0);
			if (cpuflag < 0 || cpuflag >= n)
			    errx(1, "cpu %d does not exist", cpuflag);
			break;
		case 'd':
			dflag = 1;
			break;
		case 'f':
			if (strcmp(optarg, "ipx") == 0)
				af = AF_IPX;
			else if (strcmp(optarg, "inet") == 0)
				af = AF_INET;
#ifdef INET6
			else if (strcmp(optarg, "inet6") == 0)
				af = AF_INET6;
#endif /*INET6*/
#ifdef INET6
			else if (strcmp(optarg, "pfkey") == 0)
				af = PF_KEY;
#endif /*INET6*/
			else if (strcmp(optarg, "unix") == 0)
				af = AF_UNIX;
			else if (strcmp(optarg, "ng") == 0
			    || strcmp(optarg, "netgraph") == 0)
				af = AF_NETGRAPH;
#ifdef ISO
			else if (strcmp(optarg, "iso") == 0)
				af = AF_ISO;
#endif
			else if (strcmp(optarg, "link") == 0)
				af = AF_LINK;
			else if (strcmp(optarg, "mpls") == 0)
				af = AF_MPLS;
			else {
				errx(1, "%s: unknown address family", optarg);
			}
			break;
		case 'g':
			gflag = 1;
			break;
		case 'I': {
			char *cp;

			iflag = 1;
			for (cp = interface = optarg; isalpha(*cp); cp++)
				continue;
			unit = atoi(cp);
			break;
		}
		case 'i':
			iflag = 1;
			break;
		case 'L':
			Lflag = 1;
			break;
		case 'M':
			memf = optarg;
			break;
		case 'm':
			mflag = 1;
			break;
		case 'N':
			nlistf = optarg;
			break;
		case 'n':
			numeric_addr = numeric_port = 1;
			break;
		case 'P':
			Pflag = 1;
			break;
		case 'p':
			if ((tp = name2protox(optarg)) == NULL) {
				errx(1, 
				     "%s: unknown or uninstrumented protocol",
				     optarg);
			}
			pflag = 1;
			break;
		case 'r':
			rflag = 1;
			break;
		case 's':
			++sflag;
			break;
		case 'S':
			numeric_addr = 1;
			break;
		case 'B':
			Bflag = 1;
			break;
		case 't':
			tflag = 1;
			break;
		case 'u':
			af = AF_UNIX;
			break;
		case 'W':
		case 'l':
			Wflag = 1;
			break;
		case 'w':
			interval = atoi(optarg);
			iflag = 1;
			break;
		case 'z':
			zflag = 1;
			break;
		case '?':
		default:
			usage();
		}
	argv += optind;
	argc -= optind;

#define	BACKWARD_COMPATIBILITY
#ifdef	BACKWARD_COMPATIBILITY
	if (*argv) {
		if (isdigit(**argv)) {
			interval = atoi(*argv);
			if (interval <= 0)
				usage();
			++argv;
			iflag = 1;
		}
		if (*argv) {
			nlistf = *argv;
			if (*++argv)
				memf = *argv;
		}
	}
#endif

	/*
	 * Discard setgid privileges if not the running kernel so that bad
	 * guys can't print interesting stuff from kernel memory.
	 */
	if (nlistf != NULL || memf != NULL)
		setgid(getgid());

	if (mflag) {
		if (memf != NULL) {
			if (kread(0, 0, 0) == 0)
				mbpr(nl[N_MBSTAT].n_value,
				    nl[N_MBTYPES].n_value,
				    nl[N_NMBCLUSTERS].n_value,
				    nl[N_NMBJCLUSTERS].n_value,
				    nl[N_NMBUFS].n_value,
				    nl[N_NCPUS].n_value);
		} else {
			mbpr(0, 0, 0, 0, 0, 0);
		}
		exit(0);
	}
#if 0
	/*
	 * Keep file descriptors open to avoid overhead
	 * of open/close on each call to get* routines.
	 */
	sethostent(1);
	setnetent(1);
#else
	/*
	 * This does not make sense any more with DNS being default over
	 * the files.  Doing a setXXXXent(1) causes a tcp connection to be
	 * used for the queries, which is slower.
	 */
#endif
	if (iflag && !sflag) {
		kread(0, 0, 0);
		intpr(interval, nl[N_IFNET].n_value, NULL, nl[N_NCPUS].n_value);
		exit(0);
	}
	if (rflag) {
		kread(0, 0, 0);
		if (sflag)
			rt_stats();
		else
			routepr(nl[N_RTREE].n_value);
		exit(0);
	}
	if (gflag) {
		kread(0, 0, 0);
		if (sflag) {
			if (af == AF_INET || af == AF_UNSPEC)
				mrt_stats(nl[N_MRTSTAT].n_value);
#ifdef INET6
			if (af == AF_INET6 || af == AF_UNSPEC)
				mrt6_stats(nl[N_MRT6STAT].n_value);
#endif
		} else {
			if (af == AF_INET || af == AF_UNSPEC)
				mroutepr(nl[N_MFCTABLE].n_value,
					 nl[N_VIFTABLE].n_value);
#ifdef INET6
			if (af == AF_INET6 || af == AF_UNSPEC)
				mroute6pr(nl[N_MF6CTABLE].n_value,
					  nl[N_MIF6TABLE].n_value);
#endif
		}
		exit(0);
	}

	kread(0, 0, 0);
	if (tp) {
		printproto(tp, tp->pr_name, nl[N_NCPUS].n_value);
		exit(0);
	}
	if (af == AF_INET || af == AF_UNSPEC)
		for (tp = protox; tp->pr_name; tp++)
			printproto(tp, tp->pr_name, nl[N_NCPUS].n_value);
#ifdef INET6
	if (af == AF_INET6 || af == AF_UNSPEC)
		for (tp = ip6protox; tp->pr_name; tp++)
			printproto(tp, tp->pr_name, nl[N_NCPUS].n_value);
#endif /*INET6*/
#ifdef IPSEC
	if (af == PF_KEY || af == AF_UNSPEC)
		for (tp = pfkeyprotox; tp->pr_name; tp++)
			printproto(tp, tp->pr_name, nl[N_NCPUS].n_value);
#endif /*IPSEC*/
	if (af == AF_IPX || af == AF_UNSPEC) {
		kread(0, 0, 0);
		for (tp = ipxprotox; tp->pr_name; tp++)
			printproto(tp, tp->pr_name, nl[N_NCPUS].n_value);
	}
	if (af == AF_NETGRAPH || af == AF_UNSPEC)
		for (tp = netgraphprotox; tp->pr_name; tp++)
			printproto(tp, tp->pr_name, nl[N_NCPUS].n_value);
#ifdef ISO
	if (af == AF_ISO || af == AF_UNSPEC)
		for (tp = isoprotox; tp->pr_name; tp++)
			printproto(tp, tp->pr_name, nl[N_NCPUS].n_value);
#endif
	if ((af == AF_UNIX || af == AF_UNSPEC) && !Lflag && !sflag)
		unixpr();
	exit(0);
}