static int get_struct_sockopt (Socket_Type *s, int level, int optname,
SLang_CStruct_Field_Type *cs, VOID_STAR v,
socklen_t len)
{
if (-1 == do_getsockopt (s->fd, level, optname, v, &len))
return -1;
return SLang_push_cstruct (v, cs);
}
static int get_str_sockopt (Socket_Type *s, int level, int optname)
{
char buf[1024];
socklen_t len = sizeof (buf)-1;
if (-1 == do_getsockopt (s->fd, level, optname, (void *)buf, &len))
return -1;
buf[len] = 0;
return SLang_push_string (buf);
}
static int get_int_sockopt (Socket_Type *s, int level, int optname)
{
int val;
socklen_t len;
len = sizeof (int);
if (-1 == do_getsockopt (s->fd, level, optname, (void *)&val, &len))
return -1;
return SLang_push_int (val);
}
static int
get_set_byname(const char *setname, struct xt_set_info *info)
{
struct ip_set_req_get_set req;
int res;
req.op = IP_SET_OP_GET_BYNAME;
strncpy(req.set.name, setname, IPSET_MAXNAMELEN);
req.set.name[IPSET_MAXNAMELEN - 1] = '\0';
res = do_getsockopt(&req);
if (res != 0)
return -1;
if (req.set.index == IPSET_INVALID_ID)
return -1;
info->index = req.set.index;
return 0;
}
static int
get_set_byid(char *setname, unsigned int idx)
{
struct ip_set_req_get_set req;
int res;
req.op = IP_SET_OP_GET_BYINDEX;
req.set.index = idx;
res = do_getsockopt(&req);
if (res != 0)
return -1;
if (req.set.name[0] == '\0') {
fprintf(stderr,
"Set with index %i in kernel doesn't exist.\n", idx);
return -1;
}
strncpy(setname, req.set.name, IPSET_MAXNAMELEN);
return 0;
}