static int
brip_parse(int c, char **argv, int invert, unsigned int *flags,
const void *entry, struct xt_entry_match **match)
{
struct ebt_ip_info *info = (struct ebt_ip_info *)(*match)->data;
switch (c) {
case IP_SOURCE:
if (invert)
info->invflags |= EBT_IP_SOURCE;
ebt_parse_ip_address(optarg, &info->saddr, &info->smsk);
info->bitmask |= EBT_IP_SOURCE;
break;
case IP_DEST:
if (invert)
info->invflags |= EBT_IP_DEST;
ebt_parse_ip_address(optarg, &info->daddr, &info->dmsk);
info->bitmask |= EBT_IP_DEST;
break;
case IP_SPORT:
if (invert)
info->invflags |= EBT_IP_SPORT;
parse_port_range(NULL, optarg, info->sport);
info->bitmask |= EBT_IP_SPORT;
break;
case IP_DPORT:
if (invert)
info->invflags |= EBT_IP_DPORT;
parse_port_range(NULL, optarg, info->dport);
info->bitmask |= EBT_IP_DPORT;
break;
case IP_EBT_TOS:
if (invert)
info->invflags |= EBT_IP_TOS;
if (!xtables_strtoul(optarg, NULL, (uintmax_t *)&info->tos,
0, 255))
xtables_error(PARAMETER_PROBLEM,
"Problem with specified IP tos");
info->bitmask |= EBT_IP_TOS;
break;
case IP_PROTO:
if (invert)
info->invflags |= EBT_IP_PROTO;
info->protocol = xtables_parse_protocol(optarg);
if (info->protocol == -1)
xtables_error(PARAMETER_PROBLEM,
"Unknown specified IP protocol - %s",
optarg);
info->bitmask |= EBT_IP_PROTO;
break;
default:
return 0;
}
*flags |= info->bitmask;
return 1;
}
bool xtables_strtoui(const char *s, char **end, unsigned int *value,
unsigned int min, unsigned int max)
{
uintmax_t v;
bool ret;
ret = xtables_strtoul(s, end, &v, min, max);
if (value != NULL)
*value = v;
return ret;
}
static uint64_t
parse_counter(const char *opt)
{
uintmax_t value;
if (!xtables_strtoul(opt, NULL, &value, 0, UINT64_MAX))
xtables_error(PARAMETER_PROBLEM,
"Cannot parse %s as a counter value\n",
opt);
return (uint64_t)value;
}
static void ct_parse_zone_id(const char *opt, unsigned int opt_id,
uint16_t *zone_id, uint16_t *flags)
{
if (opt_id == O_ZONE_ORIG)
*flags |= XT_CT_ZONE_DIR_ORIG;
if (opt_id == O_ZONE_REPLY)
*flags |= XT_CT_ZONE_DIR_REPL;
*zone_id = 0;
if (strcasecmp(opt, "mark") == 0) {
*flags |= XT_CT_ZONE_MARK;
} else {
uintmax_t val;
if (!xtables_strtoul(opt, NULL, &val, 0, UINT16_MAX))
xtables_error(PARAMETER_PROBLEM,
"Cannot parse %s as a zone ID\n", opt);
*zone_id = (uint16_t)val;
}
}
