예제 #1
0
int16_t parse_cmd_ntp_server(char *cmd, char *output, uint16_t len)
{
    uip_ipaddr_t ntpaddr;

    while (*cmd == ' ')
	cmd++;

    if (*cmd != '\0') {
	/* try to parse ip */
	if (parse_ip(cmd, &ntpaddr) != 0) {
#ifdef DNS_SUPPORT
	    uip_ipaddr_t *ip;

	    if (!(ip = resolv_lookup(cmd)))
		resolv_query(cmd, ntp_dns_query_cb);
	    else
		ntp_conf(ip);
#else
	    return ECMD_ERR_PARSE_ERROR;
#endif
	}
	else
	    ntp_conf(&ntpaddr);

	return ECMD_FINAL_OK;
    }
    else {
	return ECMD_FINAL(print_ipaddr(ntp_getserver(), output, len));
    }
}
예제 #2
0
파일: ntp.c 프로젝트: HansBaechle/ethersex
void
ntp_init()
{
#ifdef DNS_SUPPORT
  uip_ipaddr_t *ipaddr;
  if (!(ipaddr = resolv_lookup(NTP_SERVER)))
    resolv_query(NTP_SERVER, ntp_dns_query_cb);
  else
    ntp_conf(ipaddr);

#else /* ! DNS_SUPPORT */
  uip_ipaddr_t ip;
  set_NTP_SERVER_IP(&ip);

  ntp_conf(&ip);
#endif
}
예제 #3
0
파일: ntp.c 프로젝트: 1234tester/ethersex
void
ntp_init()
{
#ifdef DNS_SUPPORT
  ntp_tries = 0; // reset try counter
  uip_ipaddr_t *ipaddr;
  if (ntp_conn != NULL || !(ipaddr = resolv_lookup(NTP_SERVER)))
    resolv_query(NTP_SERVER, ntp_dns_query_cb);
  else
    ntp_conf(ipaddr);

#else /* ! DNS_SUPPORT */
  uip_ipaddr_t ip;
  set_NTP_SERVER_IP(&ip);

  ntp_conf(&ip);
#endif
}
예제 #4
0
파일: ntp.c 프로젝트: 1234tester/ethersex
void
ntp_dns_query_cb(char *name, uip_ipaddr_t *ipaddr)
{
  ntp_conf(ipaddr);

#ifdef DEBUG_NTP
    debug_printf("NTP: query connected\n");
#endif
}
예제 #5
0
파일: ntp.c 프로젝트: sankeq/ethersex
void
ntp_init()
{
#ifdef DNS_SUPPORT
  uip_ipaddr_t *ipaddr;
  if (!(ipaddr = resolv_lookup(NTP_SERVER)))
    resolv_query(NTP_SERVER, ntp_dns_query_cb);
  else
    ntp_conf(ipaddr);

#else /* ! DNS_SUPPORT */
  uip_ipaddr_t ip;
  //  set_NTP_SERVER_IP(&ip);
  eeprom_restore(ntp_server, &ip, IPADDR_LEN);

  ntp_conf(&ip);
#endif
}
예제 #6
0
파일: bootp.c 프로젝트: EtherGraf/ethersex
void
bootp_handle_reply(void)
{
    int i;
    struct bootp *pk = uip_appdata;

    if(pk->bp_op != BOOTREPLY)
	return;					/* ugh? shouldn't happen */

    if(pk->bp_htype != HTYPE_ETHERNET)
	return;

    for(i = 0; i < 4; i ++) {
	if(pk->bp_xid[i] != uip_udp_conn->appstate.bootp.xid[i])
	    return;				/* session id doesn't match */

	if(pk->bp_vend[i] != replycookie[i])
	    return;				/* reply cookie doesn't match */
    }


    /*
     * looks like we have received a valid bootp reply,
     * prepare to override eeprom configuration
     */
    uip_ipaddr_t ips[5];
    memset(&ips, 0, sizeof(ips));

    /* extract our ip addresses, subnet-mask and gateway ... */
    memcpy(&ips[0], pk->bp_yiaddr, 4);
    uip_sethostaddr(&ips[0]);

    debug_printf ("BOOTP: configured new ip address %d.%d.%d.%d\n",
                  ((unsigned char *) ips)[0], ((unsigned char *) ips)[1],
                  ((unsigned char *) ips)[2], ((unsigned char *) ips)[3]);

    unsigned char *ptr = pk->bp_vend + 4;
    while(*ptr != 0xFF) {
	switch(* ptr) {
	case TAG_SUBNET_MASK:
	    memcpy(&ips[1], &ptr[2], 4);
	    uip_setnetmask(&ips[1]);
	    break;

	case TAG_GATEWAY:
	    memcpy(&ips[2], &ptr[2], 4);
	    uip_setdraddr(&ips[2]);
	    break;
#ifdef DNS_SUPPORT
        case TAG_DOMAIN_SERVER:
	    memcpy(&ips[3], &ptr[2], 4);
            resolv_conf(&ips[3]);
            break;
#endif
#ifdef NTP_SUPPORT
        case TAG_NTP_SERVER:
            /* This will set the ntp connection to the server set by the bootp
             * request
             */
	    memcpy(&ips[4], &ptr[2], 4);
            ntp_conf(&ips[4]);
            break;
#endif
	}

	ptr = ptr + ptr[1] + 2;
    }

    /* Remove the bootp connection */
    uip_udp_remove(uip_udp_conn);

#ifdef BOOTP_TO_EEPROM_SUPPORT
    eeprom_save(ip, &ips[0], IPADDR_LEN);
    eeprom_save(netmask, &ips[1], IPADDR_LEN);
    eeprom_save(gateway, &ips[2], IPADDR_LEN);
#ifdef DNS_SUPPORT
    eeprom_save(dns_server, &ips[3], IPADDR_LEN);
#endif
#ifdef NTP_SUPPORT
    eeprom_save(ntp_server, &ips[4], IPADDR_LEN);
#endif
#endif /* BOOTP_TO_EEPROM_SUPPORT */

#ifdef DYNDNS_SUPPORT
    dyndns_update();
#endif

#if defined(TFTP_SUPPORT) && defined(BOOTLOADER_SUPPORT)
    if(pk->bp_file[0] == 0)
	return;					/* no boot filename provided */

    debug_putstr("load:");
    debug_putstr(pk->bp_file);
    debug_putchar('\n');

    /* create tftp connection, which will fire the download request */
    uip_ipaddr_t ip;
    uip_ipaddr(&ip, pk->bp_siaddr[0], pk->bp_siaddr[1],
	       pk->bp_siaddr[2], pk->bp_siaddr[3]);

    tftp_fire_tftpomatic(&ip, pk->bp_file);
#endif /* TFTP_SUPPORT */
}