C++ (Cpp) ebt_fill_target Examples

Example #1

File: libebt_arpreply.c Project: PKRoma/iptables

static int
brarpreply_parse(int c, char **argv, int invert, unsigned int *flags,
	    const void *entry, struct xt_entry_target **tg)

{
	struct ebt_arpreply_info *replyinfo = (void *)(*tg)->data;
	struct ether_addr *addr;

	switch (c) {
	case REPLY_MAC:
		EBT_CHECK_OPTION(flags, OPT_REPLY_MAC);
		if (!(addr = ether_aton(optarg)))
			xtables_error(PARAMETER_PROBLEM, "Problem with specified --arpreply-mac mac");
		memcpy(replyinfo->mac, addr, ETH_ALEN);
		break;
	case REPLY_TARGET:
		EBT_CHECK_OPTION(flags, OPT_REPLY_TARGET);
		if (ebt_fill_target(optarg, (unsigned int *)&replyinfo->target))
			xtables_error(PARAMETER_PROBLEM, "Illegal --arpreply-target target");
		break;

	default:
		return 0;
	}
	return 1;
}

Example #2

File: libebt_mark.c Project: AmVPN/iptables

static int
brmark_parse(int c, char **argv, int invert, unsigned int *flags,
	     const void *entry, struct xt_entry_target **target)
{
	struct ebt_mark_t_info *info = (struct ebt_mark_t_info *)
				       (*target)->data;
	char *end;
	uint32_t mask;

	switch (c) {
	case MARK_TARGET:
		{ unsigned int tmp;
		EBT_CHECK_OPTION(flags, OPT_MARK_TARGET);
		if (ebt_fill_target(optarg, &tmp))
			xtables_error(PARAMETER_PROBLEM,
				      "Illegal --mark-target target");
		/* the 4 lsb are left to designate the target */
		info->target = (info->target & ~EBT_VERDICT_BITS) |
			       (tmp & EBT_VERDICT_BITS);
		}
		return 1;
	case MARK_SETMARK:
		EBT_CHECK_OPTION(flags, OPT_MARK_SETMARK);
		mask = (OPT_MARK_ORMARK|OPT_MARK_ANDMARK|OPT_MARK_XORMARK);
		if (*flags & mask)
			xtables_error(PARAMETER_PROBLEM,
				      "--mark-set cannot be used together with"
				      " specific --mark option");
		info->target = (info->target & EBT_VERDICT_BITS) |
			       MARK_SET_VALUE;
		break;
	case MARK_ORMARK:
		EBT_CHECK_OPTION(flags, OPT_MARK_ORMARK);
		mask = (OPT_MARK_SETMARK|OPT_MARK_ANDMARK|OPT_MARK_XORMARK);
		if (*flags & mask)
			xtables_error(PARAMETER_PROBLEM,
				      "--mark-or cannot be used together with"
				      " specific --mark option");
		info->target = (info->target & EBT_VERDICT_BITS) |
			       MARK_OR_VALUE;
		break;
	case MARK_ANDMARK:
		EBT_CHECK_OPTION(flags, OPT_MARK_ANDMARK);
		mask = (OPT_MARK_SETMARK|OPT_MARK_ORMARK|OPT_MARK_XORMARK);
		if (*flags & mask)
			xtables_error(PARAMETER_PROBLEM,
				      "--mark-and cannot be used together with"
				      " specific --mark option");
		info->target = (info->target & EBT_VERDICT_BITS) |
			       MARK_AND_VALUE;
		break;
	case MARK_XORMARK:
		EBT_CHECK_OPTION(flags, OPT_MARK_XORMARK);
		mask = (OPT_MARK_SETMARK|OPT_MARK_ANDMARK|OPT_MARK_ORMARK);
		if (*flags & mask)
			xtables_error(PARAMETER_PROBLEM,
				      "--mark-xor cannot be used together with"
				      " specific --mark option");
		info->target = (info->target & EBT_VERDICT_BITS) |
			       MARK_XOR_VALUE;
		break;
	default:
		return 0;
	}
	/* mutual code */
	info->mark = strtoul(optarg, &end, 0);
	if (*end != '\0' || end == optarg)
		xtables_error(PARAMETER_PROBLEM, "Bad MARK value '%s'",
			      optarg);

	mark_supplied = 1;
	return 1;
}