MODULE_DESCRIPTION("iptables connection tracking match module");
MODULE_ALIAS("ipt_conntrack");
-static int
+static bool
match(const struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out,
const void *matchinfo,
int offset,
unsigned int protoff,
- int *hotdrop)
+ bool *hotdrop)
{
const struct xt_conntrack_info *sinfo = matchinfo;
struct nf_conn *ct;
}
if (FWINV((statebit & sinfo->statemask) == 0,
XT_CONNTRACK_STATE))
- return 0;
+ return false;
}
if (ct == NULL) {
if (sinfo->flags & ~XT_CONNTRACK_STATE)
- return 0;
- return 1;
+ return false;
+ return true;
}
if (sinfo->flags & XT_CONNTRACK_PROTO &&
FWINV(ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple.dst.protonum !=
sinfo->tuple[IP_CT_DIR_ORIGINAL].dst.protonum,
XT_CONNTRACK_PROTO))
- return 0;
+ return false;
if (sinfo->flags & XT_CONNTRACK_ORIGSRC &&
FWINV((ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple.src.u3.ip &
sinfo->sipmsk[IP_CT_DIR_ORIGINAL].s_addr) !=
sinfo->tuple[IP_CT_DIR_ORIGINAL].src.ip,
XT_CONNTRACK_ORIGSRC))
- return 0;
+ return false;
if (sinfo->flags & XT_CONNTRACK_ORIGDST &&
FWINV((ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple.dst.u3.ip &
sinfo->dipmsk[IP_CT_DIR_ORIGINAL].s_addr) !=
sinfo->tuple[IP_CT_DIR_ORIGINAL].dst.ip,
XT_CONNTRACK_ORIGDST))
- return 0;
+ return false;
if (sinfo->flags & XT_CONNTRACK_REPLSRC &&
FWINV((ct->tuplehash[IP_CT_DIR_REPLY].tuple.src.u3.ip &
sinfo->sipmsk[IP_CT_DIR_REPLY].s_addr) !=
sinfo->tuple[IP_CT_DIR_REPLY].src.ip,
XT_CONNTRACK_REPLSRC))
- return 0;
+ return false;
if (sinfo->flags & XT_CONNTRACK_REPLDST &&
FWINV((ct->tuplehash[IP_CT_DIR_REPLY].tuple.dst.u3.ip &
sinfo->dipmsk[IP_CT_DIR_REPLY].s_addr) !=
sinfo->tuple[IP_CT_DIR_REPLY].dst.ip,
XT_CONNTRACK_REPLDST))
- return 0;
+ return false;
if (sinfo->flags & XT_CONNTRACK_STATUS &&
FWINV((ct->status & sinfo->statusmask) == 0,
XT_CONNTRACK_STATUS))
- return 0;
+ return false;
if(sinfo->flags & XT_CONNTRACK_EXPIRES) {
unsigned long expires = timer_pending(&ct->timeout) ?
if (FWINV(!(expires >= sinfo->expires_min &&
expires <= sinfo->expires_max),
XT_CONNTRACK_EXPIRES))
- return 0;
+ return false;
}
- return 1;
+ return true;
}
static int