static int process_irr(struct sk_buff *skb, struct nf_conn *ct,
enum ip_conntrack_info ctinfo,
unsigned char **data, InfoRequestResponse *irr)
{
int ret;
typeof(set_ras_addr_hook) set_ras_addr;
typeof(set_sig_addr_hook) set_sig_addr;
pr_debug("nf_ct_ras: IRR\n");
set_ras_addr = rcu_dereference(set_ras_addr_hook);
if (set_ras_addr && ct->status & IPS_NAT_MASK) {
ret = set_ras_addr(skb, ct, ctinfo, data,
&irr->rasAddress, 1);
if (ret < 0)
return -1;
}
set_sig_addr = rcu_dereference(set_sig_addr_hook);
if (set_sig_addr && ct->status & IPS_NAT_MASK) {
ret = set_sig_addr(skb, ct, ctinfo, data,
irr->callSignalAddress.item,
irr->callSignalAddress.count);
if (ret < 0)
return -1;
}
return 0;
}
static int process_rrq(struct sk_buff *skb, struct nf_conn *ct,
enum ip_conntrack_info ctinfo,
unsigned char **data, RegistrationRequest *rrq)
{
struct nf_ct_h323_master *info = &nfct_help(ct)->help.ct_h323_info;
int ret;
typeof(set_ras_addr_hook) set_ras_addr;
pr_debug("nf_ct_ras: RRQ\n");
ret = expect_q931(skb, ct, ctinfo, data,
rrq->callSignalAddress.item,
rrq->callSignalAddress.count);
if (ret < 0)
return -1;
set_ras_addr = rcu_dereference(set_ras_addr_hook);
if (set_ras_addr && ct->status & IPS_NAT_MASK) {
ret = set_ras_addr(skb, ct, ctinfo, data,
rrq->rasAddress.item,
rrq->rasAddress.count);
if (ret < 0)
return -1;
}
if (rrq->options & eRegistrationRequest_timeToLive) {
pr_debug("nf_ct_ras: RRQ TTL = %u seconds\n", rrq->timeToLive);
info->timeout = rrq->timeToLive;
} else
info->timeout = default_rrq_ttl;
return 0;
}
static int process_lrq(struct sk_buff *skb, struct nf_conn *ct,
enum ip_conntrack_info ctinfo,
unsigned char **data, LocationRequest *lrq)
{
typeof(set_ras_addr_hook) set_ras_addr;
pr_debug("nf_ct_ras: LRQ\n");
set_ras_addr = rcu_dereference(set_ras_addr_hook);
if (set_ras_addr && ct->status & IPS_NAT_MASK)
return set_ras_addr(skb, ct, ctinfo, data,
&lrq->replyAddress, 1);
return 0;
}