Ejemplo n.º 1
0
int
llc_print(const u_char *p, u_int length, u_int caplen,
          const u_char *esrc, const u_char *edst, u_short *extracted_ethertype)
{
    u_int8_t dsap_field, dsap, ssap_field, ssap;
    u_int16_t control;
    int is_u;
    register int ret;

    *extracted_ethertype = 0;

    if (caplen < 3) {
        (void)printf("[|llc]");
        default_print((u_char *)p, caplen);
        return(0);
    }

    dsap_field = *p;
    ssap_field = *(p + 1);

    /*
     * OK, what type of LLC frame is this?  The length
     * of the control field depends on that - I frames
     * have a two-byte control field, and U frames have
     * a one-byte control field.
     */
    control = *(p + 2);
    if ((control & LLC_U_FMT) == LLC_U_FMT) {
        /*
         * U frame.
         */
        is_u = 1;
    } else {
        /*
         * The control field in I and S frames is
         * 2 bytes...
         */
        if (caplen < 4) {
            (void)printf("[|llc]");
            default_print((u_char *)p, caplen);
            return(0);
        }

        /*
         * ...and is little-endian.
         */
        control = EXTRACT_LE_16BITS(p + 2);
        is_u = 0;
    }

    if (ssap_field == LLCSAP_GLOBAL && dsap_field == LLCSAP_GLOBAL) {
        /*
         * This is an Ethernet_802.3 IPX frame; it has an
         * 802.3 header (i.e., an Ethernet header where the
         * type/length field is <= ETHERMTU, i.e. it's a length
         * field, not a type field), but has no 802.2 header -
         * the IPX packet starts right after the Ethernet header,
         * with a signature of two bytes of 0xFF (which is
         * LLCSAP_GLOBAL).
         *
         * (It might also have been an Ethernet_802.3 IPX at
         * one time, but got bridged onto another network,
         * such as an 802.11 network; this has appeared in at
         * least one capture file.)
         */

        if (eflag)
            printf("IPX 802.3: ");

        ipx_print(p, length);
        return (1);
    }

    dsap = dsap_field & ~LLC_IG;
    ssap = ssap_field & ~LLC_GSAP;

    if (eflag) {
        printf("LLC, dsap %s (0x%02x) %s, ssap %s (0x%02x) %s",
               tok2str(llc_values, "Unknown", dsap),
               dsap,
               tok2str(llc_ig_flag_values, "Unknown", dsap_field & LLC_IG),
               tok2str(llc_values, "Unknown", ssap),
               ssap,
               tok2str(llc_flag_values, "Unknown", ssap_field & LLC_GSAP));

        if (is_u) {
            printf(", ctrl 0x%02x: ", control);
        } else {
            printf(", ctrl 0x%04x: ", control);
        }
    }

    if (ssap == LLCSAP_8021D && dsap == LLCSAP_8021D &&
            control == LLC_UI) {
        stp_print(p+3, length-3);
        return (1);
    }

    if (ssap == LLCSAP_IP && dsap == LLCSAP_IP &&
            control == LLC_UI) {
        ip_print(gndo, p+4, length-4);
        return (1);
    }

    if (ssap == LLCSAP_IPX && dsap == LLCSAP_IPX &&
            control == LLC_UI) {
        /*
         * This is an Ethernet_802.2 IPX frame, with an 802.3
         * header and an 802.2 LLC header with the source and
         * destination SAPs being the IPX SAP.
         *
         * Skip DSAP, LSAP, and control field.
         */
        if (eflag)
            printf("IPX 802.2: ");

        ipx_print(p+3, length-3);
        return (1);
    }

#ifdef TCPDUMP_DO_SMB
    if (ssap == LLCSAP_NETBEUI && dsap == LLCSAP_NETBEUI
            && (!(control & LLC_S_FMT) || control == LLC_U_FMT)) {
        /*
         * we don't actually have a full netbeui parser yet, but the
         * smb parser can handle many smb-in-netbeui packets, which
         * is very useful, so we call that
         *
         * We don't call it for S frames, however, just I frames
         * (which are frames that don't have the low-order bit,
         * LLC_S_FMT, set in the first byte of the control field)
         * and UI frames (whose control field is just 3, LLC_U_FMT).
         */

        /*
         * Skip the LLC header.
         */
        if (is_u) {
            p += 3;
            length -= 3;
            caplen -= 3;
        } else {
            p += 4;
            length -= 4;
            caplen -= 4;
        }
        netbeui_print(control, p, length);
        return (1);
    }
#endif
    if (ssap == LLCSAP_ISONS && dsap == LLCSAP_ISONS
            && control == LLC_UI) {
        isoclns_print(p + 3, length - 3, caplen - 3);
        return (1);
    }

    if (ssap == LLCSAP_SNAP && dsap == LLCSAP_SNAP
            && control == LLC_UI) {
        /*
         * XXX - what *is* the right bridge pad value here?
         * Does anybody ever bridge one form of LAN traffic
         * over a networking type that uses 802.2 LLC?
         */
        ret = snap_print(p+3, length-3, caplen-3, extracted_ethertype,
                         2);
        if (ret)
            return (ret);
    }

    if (!eflag) {
        if (ssap == dsap) {
            if (esrc == NULL || edst == NULL)
                (void)printf("%s ", tok2str(llc_values, "Unknown DSAP 0x%02x", dsap));
            else
                (void)printf("%s > %s %s ",
                             etheraddr_string(esrc),
                             etheraddr_string(edst),
                             tok2str(llc_values, "Unknown DSAP 0x%02x", dsap));
        } else {
            if (esrc == NULL || edst == NULL)
                (void)printf("%s > %s ",
                             tok2str(llc_values, "Unknown SSAP 0x%02x", ssap),
                             tok2str(llc_values, "Unknown DSAP 0x%02x", dsap));
            else
                (void)printf("%s %s > %s %s ",
                             etheraddr_string(esrc),
                             tok2str(llc_values, "Unknown SSAP 0x%02x", ssap),
                             etheraddr_string(edst),
                             tok2str(llc_values, "Unknown DSAP 0x%02x", dsap));
        }
    }

    if (is_u) {
        printf("Unnumbered, %s, Flags [%s], length %u",
               tok2str(llc_cmd_values, "%02x", LLC_U_CMD(control)),
               tok2str(llc_flag_values,"?",(ssap_field & LLC_GSAP) | (control & LLC_U_POLL)),
               length);

        p += 3;
        length -= 3;
        caplen -= 3;

        if ((control & ~LLC_U_POLL) == LLC_XID) {
            if (*p == LLC_XID_FI) {
                printf(": %02x %02x", p[1], p[2]);
                p += 3;
                length -= 3;
                caplen -= 3;
            }
        }
    } else {
        if ((control & LLC_S_FMT) == LLC_S_FMT) {
            (void)printf("Supervisory, %s, rcv seq %u, Flags [%s], length %u",
                         tok2str(llc_supervisory_values,"?",LLC_S_CMD(control)),
                         LLC_IS_NR(control),
                         tok2str(llc_flag_values,"?",(ssap_field & LLC_GSAP) | (control & LLC_IS_POLL)),
                         length);
        } else {
            (void)printf("Information, send seq %u, rcv seq %u, Flags [%s], length %u",
                         LLC_I_NS(control),
                         LLC_IS_NR(control),
                         tok2str(llc_flag_values,"?",(ssap_field & LLC_GSAP) | (control & LLC_IS_POLL)),
                         length);
        }
        p += 4;
        length -= 4;
        caplen -= 4;
    }
    return(1);
}
Ejemplo n.º 2
0
int
snap_print(const u_char *p, u_int length, u_int caplen,
           u_short *extracted_ethertype, u_int bridge_pad)
{
    u_int32_t orgcode;
    register u_short et;
    register int ret;

    TCHECK2(*p, 5);
    orgcode = EXTRACT_24BITS(p);
    et = EXTRACT_16BITS(p + 3);

    if (eflag) {
        const struct tok *tok = null_values;
        const struct oui_tok *otp;

        for (otp = &oui_to_tok[0]; otp->tok != NULL; otp++) {
            if (otp->oui == orgcode) {
                tok = otp->tok;
                break;
            }
        }
        (void)printf("oui %s (0x%06x), %s %s (0x%04x): ",
                     tok2str(oui_values, "Unknown", orgcode),
                     orgcode,
                     (orgcode == 0x000000 ? "ethertype" : "pid"),
                     tok2str(tok, "Unknown", et),
                     et);
    }
    p += 5;
    length -= 5;
    caplen -= 5;

    switch (orgcode) {
    case OUI_ENCAP_ETHER:
    case OUI_CISCO_90:
        /*
         * This is an encapsulated Ethernet packet,
         * or a packet bridged by some piece of
         * Cisco hardware; the protocol ID is
         * an Ethernet protocol type.
         */
        ret = ether_encap_print(et, p, length, caplen,
                                extracted_ethertype);
        if (ret)
            return (ret);
        break;

    case OUI_APPLETALK:
        if (et == ETHERTYPE_ATALK) {
            /*
             * No, I have no idea why Apple used one
             * of their own OUIs, rather than
             * 0x000000, and an Ethernet packet
             * type, for Appletalk data packets,
             * but used 0x000000 and an Ethernet
             * packet type for AARP packets.
             */
            ret = ether_encap_print(et, p, length, caplen,
                                    extracted_ethertype);
            if (ret)
                return (ret);
        }
        break;

    case OUI_CISCO:
        if (et == PID_CISCO_CDP) {
            cdp_print(p, length, caplen);
            return (1);
        }
        break;

    case OUI_RFC2684:
        switch (et) {

        case PID_RFC2684_ETH_FCS:
        case PID_RFC2684_ETH_NOFCS:
            /*
             * XXX - remove the last two bytes for
             * PID_RFC2684_ETH_FCS?
             */
            /*
             * Skip the padding.
             */
            TCHECK2(*p, bridge_pad);
            caplen -= bridge_pad;
            length -= bridge_pad;
            p += bridge_pad;

            /*
             * What remains is an Ethernet packet.
             */
            ether_print(p, length, caplen);
            return (1);

        case PID_RFC2684_802_5_FCS:
        case PID_RFC2684_802_5_NOFCS:
            /*
             * XXX - remove the last two bytes for
             * PID_RFC2684_ETH_FCS?
             */
            /*
             * Skip the padding, but not the Access
             * Control field.
             */
            TCHECK2(*p, bridge_pad);
            caplen -= bridge_pad;
            length -= bridge_pad;
            p += bridge_pad;

            /*
             * What remains is an 802.5 Token Ring
             * packet.
             */
            token_print(p, length, caplen);
            return (1);

        case PID_RFC2684_FDDI_FCS:
        case PID_RFC2684_FDDI_NOFCS:
            /*
             * XXX - remove the last two bytes for
             * PID_RFC2684_ETH_FCS?
             */
            /*
             * Skip the padding.
             */
            TCHECK2(*p, bridge_pad + 1);
            caplen -= bridge_pad + 1;
            length -= bridge_pad + 1;
            p += bridge_pad + 1;

            /*
             * What remains is an FDDI packet.
             */
            fddi_print(p, length, caplen);
            return (1);

        case PID_RFC2684_BPDU:
            stp_print(p, length);
            return (1);
        }
    }
    return (0);

trunc:
    (void)printf("[|snap]");
    return (1);
}
Ejemplo n.º 3
0
int
snap_print(netdissect_options *ndo, const u_char *p, u_int length, u_int caplen,
	const struct lladdr_info *src, const struct lladdr_info *dst,
	u_int bridge_pad)
{
	uint32_t orgcode;
	u_short et;
	int ret;

	ND_TCHECK_5(p);
	if (caplen < 5 || length < 5)
		goto trunc;
	orgcode = EXTRACT_BE_U_3(p);
	et = EXTRACT_BE_U_2(p + 3);

	if (ndo->ndo_eflag) {
		/*
		 * Somebody's already printed the MAC addresses, if there
		 * are any, so just print the SNAP header, not the MAC
		 * addresses.
		 */
		ND_PRINT("oui %s (0x%06x), %s %s (0x%04x), length %u: ",
		     tok2str(oui_values, "Unknown", orgcode),
		     orgcode,
		     (orgcode == 0x000000 ? "ethertype" : "pid"),
		     tok2str(oui_to_struct_tok(orgcode), "Unknown", et),
		     et, length - 5);
	}
	p += 5;
	length -= 5;
	caplen -= 5;

	switch (orgcode) {
	case OUI_ENCAP_ETHER:
	case OUI_CISCO_90:
		/*
		 * This is an encapsulated Ethernet packet,
		 * or a packet bridged by some piece of
		 * Cisco hardware; the protocol ID is
		 * an Ethernet protocol type.
		 */
		ret = ethertype_print(ndo, et, p, length, caplen, src, dst);
		if (ret)
			return (ret);
		break;

	case OUI_APPLETALK:
		if (et == ETHERTYPE_ATALK) {
			/*
			 * No, I have no idea why Apple used one
			 * of their own OUIs, rather than
			 * 0x000000, and an Ethernet packet
			 * type, for Appletalk data packets,
			 * but used 0x000000 and an Ethernet
			 * packet type for AARP packets.
			 */
			ret = ethertype_print(ndo, et, p, length, caplen, src, dst);
			if (ret)
				return (ret);
		}
		break;

	case OUI_CISCO:
                switch (et) {
                case PID_CISCO_CDP:
                        cdp_print(ndo, p, length, caplen);
                        return (1);
                case PID_CISCO_DTP:
                        dtp_print(ndo, p, length);
                        return (1);
                case PID_CISCO_UDLD:
                        udld_print(ndo, p, length);
                        return (1);
                case PID_CISCO_VTP:
                        vtp_print(ndo, p, length);
                        return (1);
                case PID_CISCO_PVST:
                case PID_CISCO_VLANBRIDGE:
                        stp_print(ndo, p, length);
                        return (1);
                default:
                        break;
                }
		break;

	case OUI_RFC2684:
		switch (et) {

		case PID_RFC2684_ETH_FCS:
		case PID_RFC2684_ETH_NOFCS:
			/*
			 * XXX - remove the last two bytes for
			 * PID_RFC2684_ETH_FCS?
			 */
			/*
			 * Skip the padding.
			 */
			ND_TCHECK_LEN(p, bridge_pad);
			caplen -= bridge_pad;
			length -= bridge_pad;
			p += bridge_pad;

			/*
			 * What remains is an Ethernet packet.
			 */
			ether_print(ndo, p, length, caplen, NULL, NULL);
			return (1);

		case PID_RFC2684_802_5_FCS:
		case PID_RFC2684_802_5_NOFCS:
			/*
			 * XXX - remove the last two bytes for
			 * PID_RFC2684_ETH_FCS?
			 */
			/*
			 * Skip the padding, but not the Access
			 * Control field.
			 */
			ND_TCHECK_LEN(p, bridge_pad);
			caplen -= bridge_pad;
			length -= bridge_pad;
			p += bridge_pad;

			/*
			 * What remains is an 802.5 Token Ring
			 * packet.
			 */
			token_print(ndo, p, length, caplen);
			return (1);

		case PID_RFC2684_FDDI_FCS:
		case PID_RFC2684_FDDI_NOFCS:
			/*
			 * XXX - remove the last two bytes for
			 * PID_RFC2684_ETH_FCS?
			 */
			/*
			 * Skip the padding.
			 */
			ND_TCHECK_LEN(p, bridge_pad + 1);
			caplen -= bridge_pad + 1;
			length -= bridge_pad + 1;
			p += bridge_pad + 1;

			/*
			 * What remains is an FDDI packet.
			 */
			fddi_print(ndo, p, length, caplen);
			return (1);

		case PID_RFC2684_BPDU:
			stp_print(ndo, p, length);
			return (1);
		}
	}
	if (!ndo->ndo_eflag) {
		/*
		 * Nobody printed the link-layer addresses, so print them, if
		 * we have any.
		 */
		if (src != NULL && dst != NULL) {
			ND_PRINT("%s > %s ",
				(src->addr_string)(ndo, src->addr),
				(dst->addr_string)(ndo, dst->addr));
		}
		/*
		 * Print the SNAP header, but if the OUI is 000000, don't
		 * bother printing it, and report the PID as being an
		 * ethertype.
		 */
		if (orgcode == 0x000000) {
			ND_PRINT("SNAP, ethertype %s (0x%04x), length %u: ",
			     tok2str(ethertype_values, "Unknown", et),
			     et, length);
		} else {
			ND_PRINT("SNAP, oui %s (0x%06x), pid %s (0x%04x), length %u: ",
			     tok2str(oui_values, "Unknown", orgcode),
			     orgcode,
			     tok2str(oui_to_struct_tok(orgcode), "Unknown", et),
			     et, length);
		}
	}
	return (0);

trunc:
	ND_PRINT("[|snap]");
	return (1);
}
Ejemplo n.º 4
0
/*
 * If we printed information about the payload, returns the length of the LLC
 * header, plus the length of any SNAP header following it.
 *
 * Otherwise (for example, if the packet has unknown SAPs or has a SNAP
 * header with an unknown OUI/PID combination), returns the *negative*
 * of that value.
 */
int
llc_print(netdissect_options *ndo, const u_char *p, u_int length, u_int caplen,
	  const struct lladdr_info *src, const struct lladdr_info *dst)
{
	uint8_t dsap_field, dsap, ssap_field, ssap;
	uint16_t control;
	int hdrlen;
	int is_u;

	if (caplen < 3) {
		ND_PRINT("[|llc]");
		ND_DEFAULTPRINT((const u_char *)p, caplen);
		return (caplen);
	}
	if (length < 3) {
		ND_PRINT("[|llc]");
		ND_DEFAULTPRINT((const u_char *)p, caplen);
		return (length);
	}

	dsap_field = EXTRACT_U_1(p);
	ssap_field = EXTRACT_U_1(p + 1);

	/*
	 * OK, what type of LLC frame is this?  The length
	 * of the control field depends on that - I frames
	 * have a two-byte control field, and U frames have
	 * a one-byte control field.
	 */
	control = EXTRACT_U_1(p + 2);
	if ((control & LLC_U_FMT) == LLC_U_FMT) {
		/*
		 * U frame.
		 */
		is_u = 1;
		hdrlen = 3;	/* DSAP, SSAP, 1-byte control field */
	} else {
		/*
		 * The control field in I and S frames is
		 * 2 bytes...
		 */
		if (caplen < 4) {
			ND_PRINT("[|llc]");
			ND_DEFAULTPRINT((const u_char *)p, caplen);
			return (caplen);
		}
		if (length < 4) {
			ND_PRINT("[|llc]");
			ND_DEFAULTPRINT((const u_char *)p, caplen);
			return (length);
		}

		/*
		 * ...and is little-endian.
		 */
		control = EXTRACT_LE_U_2(p + 2);
		is_u = 0;
		hdrlen = 4;	/* DSAP, SSAP, 2-byte control field */
	}

	if (ssap_field == LLCSAP_GLOBAL && dsap_field == LLCSAP_GLOBAL) {
		/*
		 * This is an Ethernet_802.3 IPX frame; it has an
		 * 802.3 header (i.e., an Ethernet header where the
		 * type/length field is <= MAX_ETHERNET_LENGTH_VAL,
		 * i.e. it's a length field, not a type field), but
		 * has no 802.2 header - the IPX packet starts right
		 * after the Ethernet header, with a signature of two
		 * bytes of 0xFF (which is LLCSAP_GLOBAL).
		 *
		 * (It might also have been an Ethernet_802.3 IPX at
		 * one time, but got bridged onto another network,
		 * such as an 802.11 network; this has appeared in at
		 * least one capture file.)
		 */

            if (ndo->ndo_eflag)
		ND_PRINT("IPX 802.3: ");

            ipx_print(ndo, p, length);
            return (0);		/* no LLC header */
	}

	dsap = dsap_field & ~LLC_IG;
	ssap = ssap_field & ~LLC_GSAP;

	if (ndo->ndo_eflag) {
                ND_PRINT("LLC, dsap %s (0x%02x) %s, ssap %s (0x%02x) %s",
                       tok2str(llc_values, "Unknown", dsap),
                       dsap,
                       tok2str(llc_ig_flag_values, "Unknown", dsap_field & LLC_IG),
                       tok2str(llc_values, "Unknown", ssap),
                       ssap,
                       tok2str(llc_flag_values, "Unknown", ssap_field & LLC_GSAP));

		if (is_u) {
			ND_PRINT(", ctrl 0x%02x: ", control);
		} else {
			ND_PRINT(", ctrl 0x%04x: ", control);
		}
	}

	/*
	 * Skip LLC header.
	 */
	p += hdrlen;
	length -= hdrlen;
	caplen -= hdrlen;

	if (ssap == LLCSAP_SNAP && dsap == LLCSAP_SNAP
	    && control == LLC_UI) {
		/*
		 * XXX - what *is* the right bridge pad value here?
		 * Does anybody ever bridge one form of LAN traffic
		 * over a networking type that uses 802.2 LLC?
		 */
		if (!snap_print(ndo, p, length, caplen, src, dst, 2)) {
			/*
			 * Unknown packet type; tell our caller, by
			 * returning a negative value, so they
			 * can print the raw packet.
			 */
			return (-(hdrlen + 5));	/* include LLC and SNAP header */
		} else
			return (hdrlen + 5);	/* include LLC and SNAP header */
	}

	if (ssap == LLCSAP_8021D && dsap == LLCSAP_8021D &&
	    control == LLC_UI) {
		stp_print(ndo, p, length);
		return (hdrlen);
	}

	if (ssap == LLCSAP_IP && dsap == LLCSAP_IP &&
	    control == LLC_UI) {
		/*
		 * This is an RFC 948-style IP packet, with
		 * an 802.3 header and an 802.2 LLC header
		 * with the source and destination SAPs being
		 * the IP SAP.
		 */
		ip_print(ndo, p, length);
		return (hdrlen);
	}

	if (ssap == LLCSAP_IPX && dsap == LLCSAP_IPX &&
	    control == LLC_UI) {
		/*
		 * This is an Ethernet_802.2 IPX frame, with an 802.3
		 * header and an 802.2 LLC header with the source and
		 * destination SAPs being the IPX SAP.
		 */
                if (ndo->ndo_eflag)
                        ND_PRINT("IPX 802.2: ");

		ipx_print(ndo, p, length);
		return (hdrlen);
	}

#ifdef ENABLE_SMB
	if (ssap == LLCSAP_NETBEUI && dsap == LLCSAP_NETBEUI
	    && (!(control & LLC_S_FMT) || control == LLC_U_FMT)) {
		/*
		 * we don't actually have a full netbeui parser yet, but the
		 * smb parser can handle many smb-in-netbeui packets, which
		 * is very useful, so we call that
		 *
		 * We don't call it for S frames, however, just I frames
		 * (which are frames that don't have the low-order bit,
		 * LLC_S_FMT, set in the first byte of the control field)
		 * and UI frames (whose control field is just 3, LLC_U_FMT).
		 */
		netbeui_print(ndo, control, p, length);
		return (hdrlen);
	}
#endif
	if (ssap == LLCSAP_ISONS && dsap == LLCSAP_ISONS
	    && control == LLC_UI) {
		isoclns_print(ndo, p, length);
		return (hdrlen);
	}

	if (!ndo->ndo_eflag) {
		if (ssap == dsap) {
			if (src == NULL || dst == NULL)
				ND_PRINT("%s ", tok2str(llc_values, "Unknown DSAP 0x%02x", dsap));
			else
				ND_PRINT("%s > %s %s ",
						(src->addr_string)(ndo, src->addr),
						(dst->addr_string)(ndo, dst->addr),
						tok2str(llc_values, "Unknown DSAP 0x%02x", dsap));
		} else {
			if (src == NULL || dst == NULL)
				ND_PRINT("%s > %s ",
                                        tok2str(llc_values, "Unknown SSAP 0x%02x", ssap),
					tok2str(llc_values, "Unknown DSAP 0x%02x", dsap));
			else
				ND_PRINT("%s %s > %s %s ",
					(src->addr_string)(ndo, src->addr),
                                        tok2str(llc_values, "Unknown SSAP 0x%02x", ssap),
					(dst->addr_string)(ndo, dst->addr),
					tok2str(llc_values, "Unknown DSAP 0x%02x", dsap));
		}
	}

	if (is_u) {
		ND_PRINT("Unnumbered, %s, Flags [%s], length %u",
                       tok2str(llc_cmd_values, "%02x", LLC_U_CMD(control)),
                       tok2str(llc_flag_values,"?",(ssap_field & LLC_GSAP) | (control & LLC_U_POLL)),
                       length + hdrlen);

		if ((control & ~LLC_U_POLL) == LLC_XID) {
			if (length == 0) {
				/*
				 * XID with no payload.
				 * This could, for example, be an SNA
				 * "short form" XID.
                                 */
				return (hdrlen);
			}
			if (caplen < 1) {
				ND_PRINT("[|llc]");
				if (caplen > 0)
					ND_DEFAULTPRINT((const u_char *)p, caplen);
				return (hdrlen);
			}
			if (EXTRACT_U_1(p) == LLC_XID_FI) {
				if (caplen < 3 || length < 3) {
					ND_PRINT("[|llc]");
					if (caplen > 0)
						ND_DEFAULTPRINT((const u_char *)p, caplen);
				} else
					ND_PRINT(": %02x %02x",
						  EXTRACT_U_1(p + 1),
						  EXTRACT_U_1(p + 2));
				return (hdrlen);
			}
		}
	} else {
		if ((control & LLC_S_FMT) == LLC_S_FMT) {
			ND_PRINT("Supervisory, %s, rcv seq %u, Flags [%s], length %u",
				tok2str(llc_supervisory_values,"?",LLC_S_CMD(control)),
				LLC_IS_NR(control),
				tok2str(llc_flag_values,"?",(ssap_field & LLC_GSAP) | (control & LLC_IS_POLL)),
                                length + hdrlen);
			return (hdrlen);	/* no payload to print */
		} else {
			ND_PRINT("Information, send seq %u, rcv seq %u, Flags [%s], length %u",
				LLC_I_NS(control),
				LLC_IS_NR(control),
				tok2str(llc_flag_values,"?",(ssap_field & LLC_GSAP) | (control & LLC_IS_POLL)),
                                length + hdrlen);
		}
	}
	return (-hdrlen);
}
Ejemplo n.º 5
0
static int
do_print(void)
{
  int status = 0;
  stp_vars_t *v;
  const stp_printer_t *the_printer;
  int left, right, top, bottom;
  int x, y;
  int width, height;
  int retval;
  stp_parameter_list_t params;
  int count;
  int i;
  char tmp[32];

  initialize_global_parameters();
  global_vars = stp_vars_create();
  stp_set_outfunc(global_vars, writefunc);
  stp_set_errfunc(global_vars, writefunc);
  stp_set_outdata(global_vars, stdout);
  stp_set_errdata(global_vars, stderr);

  setlocale(LC_ALL, "C");
  retval = yyparse();
  setlocale(LC_ALL, "");
  if (retval)
    return retval + 1;

  if (!global_did_something)
    return 1;

  v = stp_vars_create();
  the_printer = stp_get_printer_by_driver(global_printer);
  if (!the_printer)
    {
      int j;
      fprintf(stderr, "Unknown printer %s\nValid printers are:\n",
	      global_printer);
      for (j = 0; j < stp_printer_model_count(); j++)
	{
	  the_printer = stp_get_printer_by_index(j);
	  fprintf(stderr, "%-16s%s\n", stp_printer_get_driver(the_printer),
		  stp_printer_get_long_name(the_printer));
	}
      return 2;
    }
  bytes_written = 0;
  if (global_output)
    {
      if (strcmp(global_output, "-") == 0)
	output = stdout;
      else if (strcmp(global_output, "") == 0)
	output = NULL;
      else if (global_output[0] == '|')
	{
	  close_output();
	  write_to_process = 1;
	  output = popen(global_output+1, "w");
	  if (! output)
	    {
	      fprintf(stderr, "popen '%s' failed: %s\n", global_output, strerror(errno));
	      output = NULL;
	    }
	  free(global_output);
	  global_output = NULL;
	}
      else
	{
	  close_output();
	  output = fopen(global_output, "wb");
	  if (! output)
	    {
	      fprintf(stderr, "Create %s failed: %s\n", global_output, strerror(errno));
	      output = NULL;
	    }
	  free(global_output);
	  global_output = NULL;
	}
    }
  stp_set_printer_defaults(v, the_printer);
  stp_set_outfunc(v, writefunc);
  stp_set_errfunc(v, writefunc);
  stp_set_outdata(v, output);
  stp_set_errdata(v, stderr);
  stp_set_string_parameter(v, "InputImageType", global_image_type);
  sprintf(tmp, "%d", global_bit_depth);
  stp_set_string_parameter(v, "ChannelBitDepth", tmp);
  if (strcmp(global_image_type, "Raw") == 0)
    {
      sprintf(tmp, "%d", global_channel_depth);
      stp_set_string_parameter(v, "RawChannels", tmp);
    }
  stp_set_float_parameter(v, "Density", global_density);
  stp_set_string_parameter(v, "Quality", "None");
  stp_set_string_parameter(v, "ImageType", "None");

  params = stp_get_parameter_list(v);
  count = stp_parameter_list_count(params);
  for (i = 0; i < count; i++)
    {
      const stp_parameter_t *p = stp_parameter_list_param(params, i);
      if (p->p_type == STP_PARAMETER_TYPE_STRING_LIST)
	{
	  const char *val = stp_get_string_parameter(global_vars, p->name);
	  if (val && strlen(val) > 0)
	    {
	      stp_set_string_parameter(v, p->name, val);
	    }
	}
      else if (p->p_type == STP_PARAMETER_TYPE_INT &&
	       stp_check_int_parameter(global_vars, p->name, STP_PARAMETER_ACTIVE))
	{
	  int val = stp_get_int_parameter(global_vars, p->name);
	  stp_set_int_parameter(v, p->name, val);
	}
      else if (p->p_type == STP_PARAMETER_TYPE_BOOLEAN &&
	       stp_check_boolean_parameter(global_vars, p->name, STP_PARAMETER_ACTIVE))
	{
	  int val = stp_get_boolean_parameter(global_vars, p->name);
	  stp_set_boolean_parameter(v, p->name, val);
	}
      else if (p->p_type == STP_PARAMETER_TYPE_CURVE &&
	       stp_check_curve_parameter(global_vars, p->name, STP_PARAMETER_ACTIVE))
	{
	  const stp_curve_t *val = stp_get_curve_parameter(global_vars, p->name);
	  stp_set_curve_parameter(v, p->name, val);
	}
      else if (p->p_type == STP_PARAMETER_TYPE_DOUBLE &&
	       stp_check_float_parameter(global_vars, p->name, STP_PARAMETER_ACTIVE))
	{
	  double val = stp_get_float_parameter(global_vars, p->name);
	  stp_set_float_parameter(v, p->name, val);
	}
    }
  stp_set_page_width(v, stp_get_page_width(global_vars));
  stp_set_page_height(v, stp_get_page_height(global_vars));
  stp_parameter_list_destroy(params);
  if (stp_check_string_parameter(v, "PageSize", STP_PARAMETER_ACTIVE) &&
      !strcmp(stp_get_string_parameter(v, "PageSize"), "Auto"))
    {
      stp_parameter_t desc;
      stp_describe_parameter(v, "PageSize", &desc);
      if (desc.p_type == STP_PARAMETER_TYPE_STRING_LIST)
	stp_set_string_parameter(v, "PageSize", desc.deflt.str);
      stp_parameter_description_destroy(&desc);
    }
  stp_set_printer_defaults_soft(v, the_printer);

  stp_get_imageable_area(v, &left, &right, &bottom, &top);
  stp_describe_resolution(v, &x, &y);
  if (x < 0)
    x = 300;
  if (y < 0)
    y = 300;

  width = right - left;
  height = bottom - top;

  switch (global_size_mode)
    {
    case SIZE_PT:
      top += (int) (global_xtop + .5);
      left += (int) (global_xleft + .5);
      width = (int) (global_hsize + .5);
      height = (int) (global_vsize + .5);
      break;
    case SIZE_IN:
      top += (int) ((global_xtop * 72) + .5);
      left += (int) ((global_xleft * 72) + .5);
      width = (int) ((global_hsize * 72) + .5);
      height = (int) ((global_vsize * 72) + .5);
      break;
    case SIZE_MM:
      top += (int) ((global_xtop * 72 / 25.4) + .5);
      left += (int) ((global_xleft * 72 / 25.4) + .5);
      width = (int) ((global_hsize * 72 / 25.4) + .5);
      height = (int) ((global_vsize * 72 / 25.4) + .5);
      break;
    case SIZE_RELATIVE:
    default:
      top += height * global_xtop;
      left += width * global_xleft;
      width *= global_hsize;
      height *= global_vsize;
      break;
    }
  stp_set_width(v, width);
  stp_set_height(v, height);
#if 0
  width = (width / global_steps) * global_steps;
  height = (height / global_n_testpatterns) * global_n_testpatterns;
#endif
  if (global_steps > width)
    global_steps = width;

  global_printer_width = width * x / 72;
  global_printer_height = height * y / 72;

  global_band_height = global_printer_height / global_n_testpatterns;
  if (global_band_height == 0)
    global_band_height = 1;
  stp_set_left(v, left);
  stp_set_top(v, top);

  stp_merge_printvars(v, stp_printer_get_defaults(the_printer));
  if (stp_verify(v))
    {
      bytes_written = 0;
      if (start_job)
	{
	  stp_start_job(v, &theImage);
	  start_job = 0;
	}
      if (stp_print(v, &theImage) != 1)
	{
	  if (!global_quiet)
	    fputs("FAILED", stderr);
	  failures++;
	  status = 2;
	  if (global_halt_on_error)
	    return status;
	}
      else if (bytes_written == 0)
	{
	  if (!global_quiet)
	    fputs("FAILED: No output", stderr);
	  failures++;
	  status = 2;
	  if (global_halt_on_error)
	    return status;
	}
      else
	passes++;
      if (end_job)
	{
	  stp_end_job(v, &theImage);
	  end_job = 0;
	}
    }
  else
    {
      if (! global_fail_verify_ok)
	{
	  if (!global_quiet)
	    fputs("FAILED", stderr);
	  failures++;
	  status = 2;
	  if (global_halt_on_error)
	    return status;
	}
      else
	{
	  if (!global_quiet)
	    fputs("(skipped)", stderr);
	  skipped++;
	}
    }
  if (!global_quiet)
    fputc('\n', stderr);
  stp_vars_destroy(v);
  stp_free(static_testpatterns);
  static_testpatterns = NULL;
  return status;
}
Ejemplo n.º 6
0
/*
 * Returns non-zero IFF it succeeds in printing the header
 */
int
llc_print(const u_char *p, u_int length, u_int caplen,
	  const u_char *esrc, const u_char *edst, u_short *extracted_ethertype)
{
	u_int8_t dsap, ssap;
	u_int16_t control;
	int is_u;
	register int ret;

	if (caplen < 3) {
		(void)printf("[|llc]");
		default_print((u_char *)p, caplen);
		return(0);
	}

	dsap = *p;
	ssap = *(p + 1);

	/*
	 * OK, what type of LLC frame is this?  The length
	 * of the control field depends on that - I frames
	 * have a two-byte control field, and U frames have
	 * a one-byte control field.
	 */
	control = *(p + 2);
	if ((control & LLC_U_FMT) == LLC_U_FMT) {
		/*
		 * U frame.
		 */
		is_u = 1;
	} else {
		/*
		 * The control field in I and S frames is
		 * 2 bytes...
		 */
		if (caplen < 4) {
			(void)printf("[|llc]");
			default_print((u_char *)p, caplen);
			return(0);
		}

		/*
		 * ...and is little-endian.
		 */
		control = EXTRACT_LE_16BITS(p + 2);
		is_u = 0;
	}

#if !defined(EMBED) || defined(CONFIG_IPX) || defined(CONFIG_IPX_MODULE)
	if (ssap == LLCSAP_GLOBAL && dsap == LLCSAP_GLOBAL) {
		/*
		 * This is an Ethernet_802.3 IPX frame; it has an
		 * 802.3 header (i.e., an Ethernet header where the
		 * type/length field is <= ETHERMTU, i.e. it's a length
		 * field, not a type field), but has no 802.2 header -
		 * the IPX packet starts right after the Ethernet header,
		 * with a signature of two bytes of 0xFF (which is
		 * LLCSAP_GLOBAL).
		 *
		 * (It might also have been an Ethernet_802.3 IPX at
		 * one time, but got bridged onto another network,
		 * such as an 802.11 network; this has appeared in at
		 * least one capture file.)
		 */

            if (eflag)
		printf("IPX-802.3: ");

            ipx_print(p, length);
            return (1);
	}
#endif

	if (eflag) {
		if (is_u) {
			printf("LLC, dsap %s (0x%02x), ssap %s (0x%02x), cmd 0x%02x: ",
			    tok2str(llc_values, "Unknown", dsap),
			    dsap,
			    tok2str(llc_values, "Unknown", ssap),
			    ssap,
			    control);
		} else {
			printf("LLC, dsap %s (0x%02x), ssap %s (0x%02x), cmd 0x%04x: ",
			    tok2str(llc_values, "Unknown", dsap),
			    dsap,
			    tok2str(llc_values, "Unknown", ssap),
			    ssap,
			    control);
		}
	}

#if !defined(EMBED) || defined(CONFIG_BRIDGE) || defined(CONFIG_BRIDGE_MODULE)
	if (ssap == LLCSAP_8021D && dsap == LLCSAP_8021D &&
	    control == LLC_UI) {
		stp_print(p+3, length-3);
		return (1);
	}
#endif

	if (ssap == LLCSAP_IP && dsap == LLCSAP_IP &&
	    control == LLC_UI) {
		ip_print(gndo, p+4, length-4);
		return (1);
	}

#if !defined(EMBED) || defined(CONFIG_IPX) || defined(CONFIG_IPX_MODULE)
	if (ssap == LLCSAP_IPX && dsap == LLCSAP_IPX &&
	    control == LLC_UI) {
		/*
		 * This is an Ethernet_802.2 IPX frame, with an 802.3
		 * header and an 802.2 LLC header with the source and
		 * destination SAPs being the IPX SAP.
		 *
		 * Skip DSAP, LSAP, and control field.
		 */
		printf("(NOV-802.2) ");
		ipx_print(p+3, length-3);
		return (1);
	}
#endif

#ifdef TCPDUMP_DO_SMB
	if (ssap == LLCSAP_NETBEUI && dsap == LLCSAP_NETBEUI
	    && (!(control & LLC_S_FMT) || control == LLC_U_FMT)) {
		/*
		 * we don't actually have a full netbeui parser yet, but the
		 * smb parser can handle many smb-in-netbeui packets, which
		 * is very useful, so we call that
		 *
		 * We don't call it for S frames, however, just I frames
		 * (which are frames that don't have the low-order bit,
		 * LLC_S_FMT, set in the first byte of the control field)
		 * and UI frames (whose control field is just 3, LLC_U_FMT).
		 */

		/*
		 * Skip the LLC header.
		 */
		if (is_u) {
			p += 3;
			length -= 3;
			caplen -= 3;
		} else {
			p += 4;
			length -= 4;
			caplen -= 4;
		}
		netbeui_print(control, p, length);
		return (1);
	}
#endif
#if !defined(EMBED)
	if (ssap == LLCSAP_ISONS && dsap == LLCSAP_ISONS
	    && control == LLC_UI) {
		isoclns_print(p + 3, length - 3, caplen - 3);
		return (1);
	}
#endif

	if (ssap == LLCSAP_SNAP && dsap == LLCSAP_SNAP
	    && control == LLC_UI) {
		/*
		 * XXX - what *is* the right bridge pad value here?
		 * Does anybody ever bridge one form of LAN traffic
		 * over a networking type that uses 802.2 LLC?
		 */
		ret = snap_print(p+3, length-3, caplen-3, extracted_ethertype,
		    2);
		if (ret)
			return (ret);
	}

	if (!eflag) {
		if ((ssap & ~LLC_GSAP) == dsap) {
			if (esrc == NULL || edst == NULL)
				(void)printf("%s ", llcsap_string(dsap));
			else
				(void)printf("%s > %s %s ",
						etheraddr_string(esrc),
						etheraddr_string(edst),
						llcsap_string(dsap));
		} else {
			if (esrc == NULL || edst == NULL)
				(void)printf("%s > %s ",
					llcsap_string(ssap & ~LLC_GSAP),
					llcsap_string(dsap));
			else
				(void)printf("%s %s > %s %s ",
					etheraddr_string(esrc),
					llcsap_string(ssap & ~LLC_GSAP),
					etheraddr_string(edst),
					llcsap_string(dsap));
		}
	}

	if (is_u) {
		const char *m;
		char f;

		m = tok2str(cmd2str, "%02x", LLC_U_CMD(control));
		switch ((ssap & LLC_GSAP) | (control & LLC_U_POLL)) {
			case 0:			f = 'C'; break;
			case LLC_GSAP:		f = 'R'; break;
			case LLC_U_POLL:	f = 'P'; break;
			case LLC_GSAP|LLC_U_POLL: f = 'F'; break;
			default:		f = '?'; break;
		}

		printf("%s/%c", m, f);

		p += 3;
		length -= 3;
		caplen -= 3;

		if ((control & ~LLC_U_POLL) == LLC_XID) {
			if (*p == LLC_XID_FI) {
				printf(": %02x %02x", p[1], p[2]);
				p += 3;
				length -= 3;
				caplen -= 3;
			}
		}
	} else {
		char f;

		switch ((ssap & LLC_GSAP) | (control & LLC_IS_POLL)) {
			case 0:			f = 'C'; break;
			case LLC_GSAP:		f = 'R'; break;
			case LLC_IS_POLL:	f = 'P'; break;
			case LLC_GSAP|LLC_IS_POLL: f = 'F'; break;
			default:		f = '?'; break;
		}

		if ((control & LLC_S_FMT) == LLC_S_FMT) {
			static const char *llc_s[] = { "rr", "rej", "rnr", "03" };
			(void)printf("%s (r=%d,%c)",
				llc_s[LLC_S_CMD(control)],
				LLC_IS_NR(control),
				f);
		} else {
			(void)printf("I (s=%d,r=%d,%c)",
				LLC_I_NS(control),
				LLC_IS_NR(control),
				f);
		}
		p += 4;
		length -= 4;
		caplen -= 4;
	}
	return(1);
}
Ejemplo n.º 7
0
char *
RaDumpUserBuffer (struct ArgusParserStruct *parser, struct ArgusRecordStruct *argus, int ind, int len) 
{
   struct ArgusFlow *flow = (struct ArgusFlow *) argus->dsrs[ARGUS_FLOW_INDEX];
   unsigned short sport = 0, dport = 0;
   int type, proto, process = 0;
   struct ArgusDataStruct *user = NULL;
   u_char buf[MAXSTRLEN], *bp = NULL, dchr;
   int slen = 0, done = 0;

   switch (ind) {
      case ARGUS_SRCUSERDATA_INDEX:
         dchr = 's';
         break;
      case ARGUS_DSTUSERDATA_INDEX:
         dchr = 'd';
         break;
   }

   if ((user = (struct ArgusDataStruct *)argus->dsrs[ind]) != NULL) {
      bp = (u_char *) &user->array;
      slen = (user->hdr.argus_dsrvl16.len - 2 ) * 4;
      slen = (user->count < slen) ? user->count : slen;
      slen = (slen > len) ? len : slen;
      snapend = bp + slen;
   }

   if (flow != NULL) {
      switch (flow->hdr.subtype & 0x3F) {
         case ARGUS_FLOW_CLASSIC5TUPLE: {
            switch (type = flow->hdr.argus_dsrvl8.qual) {
               case ARGUS_TYPE_IPV4:
                  switch (flow->ip_flow.ip_p) {
                     case IPPROTO_TCP:
                     case IPPROTO_UDP: {
                        proto = flow->ip_flow.ip_p;
                        sport = flow->ip_flow.sport;
                        dport = flow->ip_flow.dport;
                        process++;
                        break;
                     }
                     case IPPROTO_IGMP: {
                        struct ArgusMetricStruct *metric = (void *)argus->dsrs[ARGUS_METRIC_INDEX];
                        if ((metric != NULL) && (((ind == ARGUS_SRCUSERDATA_INDEX) && metric->src.pkts) ||
                                                 ((ind == ARGUS_DSTUSERDATA_INDEX) && metric->dst.pkts))) {
                           igmp_print(bp, slen);
                           done++;
                           break;
                        }
                     }

                     case IPPROTO_PIM: {
                        struct ArgusMetricStruct *metric = (void *)argus->dsrs[ARGUS_METRIC_INDEX];
                        if ((metric != NULL) && (((ind == ARGUS_SRCUSERDATA_INDEX) && metric->src.pkts) ||
                                                 ((ind == ARGUS_DSTUSERDATA_INDEX) && metric->dst.pkts))) {
                           pim_print(bp, slen);
                           done++;
                           break;
                        }
                     }
                  }
                  break; 
               case ARGUS_TYPE_IPV6: {
                  switch (flow->ipv6_flow.ip_p) {
                     case IPPROTO_TCP:
                     case IPPROTO_UDP: {
                        proto = flow->ipv6_flow.ip_p;
                        sport = flow->ipv6_flow.sport;
                        dport = flow->ipv6_flow.dport;
                        process++;
                        break;
                     }

                     case IPPROTO_PIM: {
                        struct ArgusMetricStruct *metric = (void *)argus->dsrs[ARGUS_METRIC_INDEX];

                        if ((metric != NULL) && (((ind == ARGUS_SRCUSERDATA_INDEX) && metric->src.pkts) ||
                                                 ((ind == ARGUS_DSTUSERDATA_INDEX) && metric->dst.pkts))) {
                           pim_print(bp, slen);
                           done++;
                           break;
                        }
                     }
                  }
                  break;
               }
               case ARGUS_TYPE_ARP: {
                  if (ind == ARGUS_SRCUSERDATA_INDEX) {
                     arp_src_print(parser, argus);
                  }
                  if (ind == ARGUS_DSTUSERDATA_INDEX) {
                     arp_dst_print(parser, argus);
                  }
                  done++;
                  break;
               }
/*
struct ArgusMacFlow {
   struct ether_header ehdr;
   unsigned char dsap, ssap;
};

*/

               case ARGUS_TYPE_ETHER: {
                  if (flow != NULL)
                     if ((flow->mac_flow.mac_union.ether.ssap == LLCSAP_BPDU) &&
                         (flow->mac_flow.mac_union.ether.dsap == LLCSAP_BPDU))
                        stp_print (bp, slen);
                  done++;
                  break;
               }
            }
         }
      }
   }

   if (process && bp) {
      *(int *)&buf = 0;

#define ISPORT(p) (dport == (p) || sport == (p))

      switch (proto) {
         case IPPROTO_TCP: {
            if (ISPORT(BGP_PORT))
               bgp_print(bp, slen); 
            else if (ISPORT(TELNET_PORT))
               telnet_print(bp, slen);
            else if (ISPORT(PPTP_PORT))
               pptp_print(bp, slen);
            else if (ISPORT(NETBIOS_SSN_PORT))
               nbt_tcp_print(bp, slen);
            else if (ISPORT(BEEP_PORT))
               beep_print(bp, slen);
            else if (ISPORT(NAMESERVER_PORT) || ISPORT(MULTICASTDNS_PORT)) 
                ns_print(bp + 2, slen - 2, 0);
            else if (ISPORT(MSDP_PORT))
               msdp_print(bp, slen);
            else if (ISPORT(LDP_PORT))
               ldp_print(bp, slen);
            else {
               int elen = 0;
               parser->eflag = ArgusThisEflag;
               elen = ArgusEncode (parser, (const char *)bp, NULL, slen, ArgusBuf, sizeof(ArgusBuf));
               parser->eflag = ARGUS_HEXDUMP;
            }
            break;
         }

         case IPPROTO_UDP: {
            if (ISPORT(NAMESERVER_PORT))
               ns_print(bp, slen, 0);
            else if (ISPORT(MULTICASTDNS_PORT))
               ns_print(bp, slen, 1);
            else if (ISPORT(NTP_PORT))
               ntp_print(bp, slen);
            else if (ISPORT(LDP_PORT))
               ldp_print(bp, slen);
            else if (ISPORT(RADIUS_PORT) || ISPORT(RADIUS_NEW_PORT) ||
                     ISPORT(RADIUS_ACCOUNTING_PORT) ||
                     ISPORT(RADIUS_NEW_ACCOUNTING_PORT) )
               radius_print(bp, slen);
            else if (ISPORT(KERBEROS_PORT) || ISPORT(KERBEROS_SEC_PORT))
               krb_print(bp, slen);
            else if (ISPORT(SNMP_PORT) || ISPORT(SNMPTRAP_PORT))
               snmp_print(bp, slen);
            else if (ISPORT(TIMED_PORT))
               timed_print(bp, slen);
            else if (ISPORT(TFTP_PORT))
               tftp_print(bp, slen);
            else if (ISPORT(IPPORT_BOOTPC) || ISPORT(IPPORT_BOOTPS))
               bootp_print(bp, slen);
            else if (ISPORT(RIP_PORT))
               rip_print(bp, slen);
            else if (ISPORT(AODV_PORT))
               aodv_print(bp, slen, 0);
            else if (ISPORT(L2TP_PORT))
               l2tp_print(bp, slen);
            else if (ISPORT(SYSLOG_PORT))
               syslog_print(bp, slen);
            else if (ISPORT(LMP_PORT))
               lmp_print(bp, slen);
            else if ((sport >= RX_PORT_LOW && sport <= RX_PORT_HIGH) ||
                     (dport >= RX_PORT_LOW && dport <= RX_PORT_HIGH))
               rx_print(bp, slen, sport, dport);
            else if (dport == BFD_CONTROL_PORT || dport == BFD_ECHO_PORT )
               bfd_print(bp, slen, dport);
            else if (ISPORT(NETBIOS_NS_PORT))
               nbt_udp137_print(bp, slen);
            else if (ISPORT(NETBIOS_DGRAM_PORT))
               nbt_udp138_print(bp, slen);
            else if (ISPORT(ISAKMP_PORT))
               isakmp_print(bp, slen);
            else if (ISPORT(ISAKMP_PORT_NATT))
               isakmp_rfc3948_print(bp, slen);
            else if (ISPORT(ISAKMP_PORT_USER1) || ISPORT(ISAKMP_PORT_USER2))
               isakmp_print(bp, slen);
            else {
               int elen = 0;
               parser->eflag = ArgusThisEflag;
               elen = ArgusEncode (parser, (const char *)bp, NULL, slen, ArgusBuf, sizeof(ArgusBuf));
               parser->eflag = ARGUS_HEXDUMP;
            }
/*
            else if (ISPORT(3456))
               vat_print(bp, slen);
            else if (ISPORT(ZEPHYR_SRV_PORT) || ISPORT(ZEPHYR_CLT_PORT))
               zephyr_print(bp, slen);
            else if (ISPORT(RIPNG_PORT))
               ripng_print(bp, slen);
            else if (ISPORT(DHCP6_SERV_PORT) || ISPORT(DHCP6_CLI_PORT))
               dhcp6_print(bp, slen);
            else if (dport == 4567)
               wb_print(bp, slen);
            else if (ISPORT(CISCO_AUTORP_PORT))
               cisco_autorp_print(bp, slen);
            else if (ISPORT(RADIUS_PORT) || ISPORT(RADIUS_NEW_PORT) ||
                     ISPORT(RADIUS_ACCOUNTING_PORT) || ISPORT(RADIUS_NEW_ACCOUNTING_PORT) )
               radius_print(bp, slen);
            else if (dport == HSRP_PORT)
               hsrp_print(bp, slen);
            else if (ISPORT(LWRES_PORT))
               lwres_print(bp, slen);
            else if (ISPORT(MPLS_LSP_PING_PORT))
               lspping_print(bp, slen);
*/
         }
      }
   }

   return (ArgusBuf);
}