Ejemplos de ahcp1_body_print en C++ (Cpp)

Ejemplo n.º 1

Archivo: print-ahcp.c Proyecto: lhslll/tcpdump

void
ahcp_print(netdissect_options *ndo, const u_char *cp, const u_int len)
{
    const u_char *ep = cp + len;
    uint8_t version;

    ND_PRINT((ndo, "AHCP"));
    if (len < 2)
        goto invalid;
    /* Magic */
    ND_TCHECK2(*cp, 1);
    if (*cp != AHCP_MAGIC_NUMBER)
        goto invalid;
    cp += 1;
    /* Version */
    ND_TCHECK2(*cp, 1);
    version = *cp;
    cp += 1;
    switch (version) {
    case AHCP_VERSION_1: {
        ND_PRINT((ndo, " Version 1"));
        if (len < AHCP1_HEADER_FIX_LEN)
            goto invalid;
        if (!ndo->ndo_vflag) {
            ND_TCHECK2(*cp, AHCP1_HEADER_FIX_LEN - 2);
            cp += AHCP1_HEADER_FIX_LEN - 2;
        } else {
            /* Hopcount */
            ND_TCHECK2(*cp, 1);
            ND_PRINT((ndo, "\n\tHopcount %u", *cp));
            cp += 1;
            /* Original Hopcount */
            ND_TCHECK2(*cp, 1);
            ND_PRINT((ndo, ", Original Hopcount %u", *cp));
            cp += 1;
            /* Nonce */
            ND_TCHECK2(*cp, 4);
            ND_PRINT((ndo, ", Nonce 0x%08x", EXTRACT_32BITS(cp)));
            cp += 4;
            /* Source Id */
            ND_TCHECK2(*cp, 8);
            ND_PRINT((ndo, ", Source Id %s", linkaddr_string(ndo, cp, 0, 8)));
            cp += 8;
            /* Destination Id */
            ND_TCHECK2(*cp, 8);
            ND_PRINT((ndo, ", Destination Id %s", linkaddr_string(ndo, cp, 0, 8)));
            cp += 8;
        }
        /* Body */
        ahcp1_body_print(ndo, cp, ep);
        break;
    }
    default:
        ND_PRINT((ndo, " Version %u (unknown)", version));
        break;
    }
    return;

invalid:
    ND_PRINT((ndo, "%s", istr));
    ND_TCHECK2(*cp, ep - cp);
    return;
trunc:
    ND_PRINT((ndo, "%s", tstr));
}

Ejemplo n.º 2

Archivo: print-ahcp.c Proyecto: biot/tcpdump

void
ahcp_print(netdissect_options *ndo, const u_char *cp, const u_int len)
{
	const u_char *ep = ndo->ndo_snapend;
	uint8_t version;

	ndo->ndo_protocol = "ahcp";
	ND_PRINT("AHCP");
	if (len < 2)
		goto invalid;
	/* Magic */
	ND_TCHECK_1(cp);
	if (EXTRACT_U_1(cp) != AHCP_MAGIC_NUMBER)
		goto invalid;
	cp += 1;
	/* Version */
	ND_TCHECK_1(cp);
	version = EXTRACT_U_1(cp);
	cp += 1;
	switch (version) {
		case AHCP_VERSION_1: {
			ND_PRINT(" Version 1");
			if (len < AHCP1_HEADER_FIX_LEN)
				goto invalid;
			if (!ndo->ndo_vflag) {
				ND_TCHECK_LEN(cp, AHCP1_HEADER_FIX_LEN - 2);
				cp += AHCP1_HEADER_FIX_LEN - 2;
			} else {
				/* Hopcount */
				ND_TCHECK_1(cp);
				ND_PRINT("\n\tHopcount %u", EXTRACT_U_1(cp));
				cp += 1;
				/* Original Hopcount */
				ND_TCHECK_1(cp);
				ND_PRINT(", Original Hopcount %u", EXTRACT_U_1(cp));
				cp += 1;
				/* Nonce */
				ND_TCHECK_4(cp);
				ND_PRINT(", Nonce 0x%08x", EXTRACT_BE_U_4(cp));
				cp += 4;
				/* Source Id */
				ND_TCHECK_8(cp);
				ND_PRINT(", Source Id %s", linkaddr_string(ndo, cp, 0, 8));
				cp += 8;
				/* Destination Id */
				ND_TCHECK_8(cp);
				ND_PRINT(", Destination Id %s", linkaddr_string(ndo, cp, 0, 8));
				cp += 8;
			}
			/* Body */
			ahcp1_body_print(ndo, cp, ep);
			break;
		}
		default:
			ND_PRINT(" Version %u (unknown)", version);
			break;
	}
	return;

invalid:
	ND_PRINT("%s", istr);
	ND_TCHECK_LEN(cp, ep - cp);
	return;
trunc:
	nd_print_trunc(ndo);
}