/* add a description to the list of redirection descriptions */
static void
add_redirect_desc(unsigned short eport, int proto, const char * eaddr, const char * iaddr,
unsigned short iport, const char * ifname, const char * desc, int enabled)
{
NP_UPNP_INFO("enter add_redirect_desc, enabled arg is %d\n", enabled);
struct rdr_desc * p;
size_t l;
/* set a default description if none given */
if(!desc)
desc = "miniupnpd";
l = strlen(desc) + 1;
p = (struct rdr_desc *)malloc(sizeof(struct rdr_desc) + l);
if(p)
{
p->next = rdr_desc_list;
p->eport = eport;
p->proto = (short)proto;
p->enabled = enabled;
memcpy(p->eaddr, eaddr, 16);
memcpy(p->iaddr, iaddr, 16);
p->iport = iport;
memcpy(p->ifname, ifname, 16);
memcpy(p->str, desc, (sizeof(p->str) < l)?sizeof(p->str):l);
p->str[sizeof(p->str) - 1] = '\0';
rdr_desc_list = p;
}
/* begin 2030707506 zhoujianchun 00203875 2010-03-07 added for UPnP */
check_and_delete_last_entry();
/* end 2030707506 zhoujianchun 00203875 2010-03-07 added for UPnP */
#ifdef DEBUG
list_redirect_rule(ext_if_name);
#endif
}
int
main(int argc, char ** argv)
{
unsigned short eport, iport;
const char * iaddr;
printf("Usage %s <ext_port> <internal_ip> <internal_port>\n", argv[0]);
if(argc<4)
return -1;
openlog("testiptcrdr", LOG_PERROR|LOG_CONS, LOG_LOCAL0);
eport = (unsigned short)atoi(argv[1]);
iaddr = argv[2];
iport = (unsigned short)atoi(argv[3]);
printf("trying to redirect port %hu to %s:%hu\n", eport, iaddr, iport);
if(addnatrule(IPPROTO_TCP, eport, iaddr, iport, NULL) < 0)
return -1;
if(add_filter_rule(IPPROTO_TCP, NULL, iaddr, iport) < 0)
return -1;
/* test */
{
unsigned short p1, p2;
char addr[16];
int proto2;
char desc[256];
char rhost[256];
unsigned int timestamp;
u_int64_t packets, bytes;
desc[0] = '\0';
if(get_redirect_rule_by_index(0, "", &p1,
addr, sizeof(addr), &p2,
&proto2, desc, sizeof(desc),
rhost, sizeof(rhost),
×tamp,
&packets, &bytes) < 0)
{
printf("rule not found\n");
}
else
{
printf("redirected port %hu to %s:%hu proto %d packets=%" PRIu64 " bytes=%" PRIu64 "\n",
p1, addr, p2, proto2, packets, bytes);
}
}
printf("trying to list nat rules :\n");
list_redirect_rule(argv[1]);
printf("deleting\n");
delete_redirect_and_filter_rules(eport, IPPROTO_TCP);
return 0;
}
/* get_redirect_rule_by_index()
* return -1 when the rule was not found */
int
get_redirect_rule_by_index(int index,
char * ifname, unsigned short * eport,
char * iaddr, int iaddrlen, unsigned short * iport,
int * proto, char * desc, int desclen,
char * rhost, int rhostlen,
unsigned int * timestamp,
u_int64_t * packets, u_int64_t * bytes, int *penabled)
{
NP_UPNP_INFO("enter get_redirect_rule_by_index\n");
NP_UPNP_INFO("index is %d\n", index);
#ifdef DEBUG
list_redirect_rule(ext_if_name);
#endif
int i = 0;
struct rdr_desc * p;
if(!desc || (desclen == 0))
return -1;
for(p = rdr_desc_list; p; p = p->next, i++)
{
if(i == index)
{
NP_UPNP_DEBUG("**** i == index ****\n");
if (ifname != NULL)
strncpy(ifname, p->ifname, 16);
if (eport != NULL)
*eport = p->eport;
if (iaddr != NULL)
strncpy(iaddr, p->iaddr, iaddrlen);
if (iport != NULL)
*iport = p->iport;
if (proto != NULL)
*proto = (int)p->proto;
if (desc != NULL)
strncpy(desc, p->str, desclen);
if(penabled != NULL)
*penabled = p->enabled;
return 0;
}
}
return -1;
}
