/* update the port mapping decription and timestamp */
int
update_portmapping_desc_timestamp(const char * ifname,
unsigned short eport, int proto,
const char * desc, unsigned int timestamp)
{
unsigned short iport;
in_addr_t iaddr;
char iaddr_str[16];
char rhost[32];
int r;
r = priv_delete_redirect_rule_check_desc(ifname, eport, proto, &iport, &iaddr, rhost, sizeof(rhost), 1, desc);
if(r < 0)
return -1;
if(r == 1) {
/* only change timestamp */
remove_timestamp_entry(eport, proto);
add_timestamp_entry(eport, proto, timestamp);
return 0;
}
if (priv_delete_filter_rule(ifname, iport, proto, iaddr) < 0)
return -1;
inet_ntop(AF_INET, &iaddr, iaddr_str, sizeof(iaddr_str));
if(add_redirect_rule2(ifname, rhost, eport, iaddr_str, iport, proto,
desc, timestamp) < 0)
return -1;
if(add_filter_rule2(ifname, rhost, iaddr_str, eport, iport, proto, desc) < 0)
return -1;
return 0;
}
/* update the port mapping internal port, decription and timestamp */
int
update_portmapping(const char * ifname, unsigned short eport, int proto,
unsigned short iport, const char * desc,
unsigned int timestamp)
{
unsigned short old_iport;
in_addr_t iaddr;
char iaddr_str[16];
char rhost[32];
if(priv_delete_redirect_rule(ifname, eport, proto, &old_iport, &iaddr, rhost, sizeof(rhost)) < 0)
return -1;
if (priv_delete_filter_rule(ifname, old_iport, proto, iaddr) < 0)
return -1;
inet_ntop(AF_INET, &iaddr, iaddr_str, sizeof(iaddr_str));
if(add_redirect_rule2(ifname, rhost, eport, iaddr_str, iport, proto,
desc, timestamp) < 0)
return -1;
if(add_filter_rule2(ifname, rhost, iaddr_str, eport, iport, proto, desc) < 0)
return -1;
return 0;
}
int
delete_redirect_and_filter_rules(const char * ifname, unsigned short eport,
int proto)
{
int r;
unsigned short iport;
in_addr_t iaddr;
r = priv_delete_redirect_rule(ifname, eport, proto, &iport, &iaddr);
if(r == 0)
{
r = priv_delete_filter_rule(ifname, iport, proto, iaddr);
}
return r;
}
