/* upnp_add_inboundpinhole()
* returns: 0 on success
* -1 failed to add pinhole
* -2 already created
* -3 inbound pinhole disabled
*/
int
upnp_add_inboundpinhole(const char * raddr,
unsigned short rport,
const char * iaddr,
unsigned short iport,
const char * protocol,
const char * leaseTime,
int * uid)
{
int r, s, t, lt=0;
char iaddr_old[40]="", proto[6]="", idfound[5]="", leaseTmp[12]; // IPv6 Modification
snprintf(proto, sizeof(proto), "%.5d", atoi(protocol));
unsigned short iport_old = 0;
time_t current = time(NULL);
/*struct in6_addr address; // IPv6 Modification
if(inet_pton(AF_INET6, iaddr, &address) < 0) // IPv6 Modification
{
return 0;
}*/
#if 0
r = get_rule_from_file(raddr, rport, iaddr_old, &iport_old, proto, 0, 0, idfound);
#endif
r = 0;
lt = (int) current + atoi(leaseTime);
snprintf(leaseTmp, sizeof(leaseTmp), "%d", lt);
NP_UPNP_DEBUG("LeaseTime: %d / %d -> %s\n", atoi(leaseTime), (int)current, leaseTmp);
NP_UPNP_DEBUG("\tCompare addr: %s // port: %d\n\t to addr: %s // port: %d\n", iaddr, iport, iaddr_old, iport_old);
if(r == 1 && strcmp(iaddr, iaddr_old)==0 && iport==iport_old)
{
NP_UPNP_DEBUG("Pinhole for inbound traffic from [%s]:%hu to [%s]:%hu with protocol %s already done. Updating it.\n",
raddr, rport, iaddr_old, iport_old, protocol);
t = upnp_update_inboundpinhole(idfound, leaseTime);
*uid = atoi(idfound);
return t;
}
else
{
NP_UPNP_DEBUG("Adding pinhole for inbound traffic from [%s]:%hu to [%s]:%hu with protocol %s and %s lease time.\n",
raddr, rport, iaddr, iport, protocol, leaseTime);
s = upnp_add_inboundpinhole_internal(raddr, rport, iaddr, iport, protocol, uid);
#if 0
if(rule_file_add(raddr, rport, iaddr, iport, protocol, leaseTmp, uid)<0)
return -8;
else
{
if(nextpinholetoclean_timestamp == 0 || (atoi(leaseTmp) <= nextpinholetoclean_timestamp))
{
printf("Initializing the nextpinholetoclean variables. uid = %d\n", *uid);
snprintf(nextpinholetoclean_uid, 5, "%.4d", *uid);
nextpinholetoclean_timestamp = atoi(leaseTmp);
}
return s;
}
#endif
}
return 0;
}
/* upnp_add_inboundpinhole()
* returns: 1 on success
* -1 Pinhole space exhausted
* -4 invalid arguments
* -42 not implemented
* TODO : return uid on success (positive) or error value (negative)
*/
int
upnp_add_inboundpinhole(const char * raddr,
unsigned short rport,
const char * iaddr,
unsigned short iport,
int proto,
char * desc,
unsigned int leasetime,
int * uid)
{
int r;
time_t current;
unsigned int timestamp;
struct in6_addr address;
r = inet_pton(AF_INET6, iaddr, &address);
if(r <= 0) {
syslog(LOG_ERR, "inet_pton(%d, %s, %p) FAILED",
AF_INET6, iaddr, &address);
return -4;
}
current = time(NULL);
timestamp = current + leasetime;
r = 0;
*uid = upnp_find_inboundpinhole(raddr, rport, iaddr, iport, proto, NULL, 0, NULL);
if(*uid >= 0) {
syslog(LOG_INFO, "Pinhole for inbound traffic from [%s]:%hu to [%s]:%hu with proto %d found uid=%d. Updating it.", raddr, rport, iaddr, iport, proto, *uid);
r = upnp_update_inboundpinhole(*uid, timestamp);
return (r >= 0) ? 1 : r;
}
#if defined(USE_PF) || defined(USE_NETFILTER)
*uid = add_pinhole (0/*ext_if_name*/, raddr, rport,
iaddr, iport, proto, desc, timestamp);
return *uid >= 0 ? 1 : -1;
#else
return -42; /* not implemented */
#endif
}
