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;
}
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;
}