static int
pushutsname(lua_State *L, struct utsname *u)
{
if (!u)
return lua_pushnil(L), 1;
lua_createtable(L, 0, 5);
setstringfield(u, machine);
setstringfield(u, nodename);
setstringfield(u, release);
setstringfield(u, sysname);
setstringfield(u, version);
settypemetatable("PosixUtsname");
return 1;
}
static int
pushpasswd(lua_State *L, struct passwd *p)
{
if (!p)
return lua_pushnil(L), 1;
lua_createtable(L, 0, 6);
setintegerfield(p, pw_uid);
setintegerfield(p, pw_gid);
setstringfield(p, pw_name);
setstringfield(p, pw_dir);
setstringfield(p, pw_shell);
setstringfield(p, pw_passwd);
settypemetatable("PosixPasswd");
return 1;
}
static void
setethfield(lua_State* L, int tindex, const char* field, const uint8_t addr[ETHER_ADDR_LEN])
{
char addrstr[] = "11:22:33:44:55:66";
eth_addr_t ethaddr;
memcpy(ethaddr.data, addr, ETHER_ADDR_LEN);
setstringfield(L, tindex, field, eth_ntop(ðaddr, addrstr, sizeof(addrstr)));
}
static void pushpblock(lua_State* L, libnet_pblock_t* pblock)
{
int tindex = lua_gettop(L) + 1;
lua_newtable(L);
setlstringfield(L, tindex, "buf", pblock->buf, pblock->b_len);
setintfield(L, tindex, "b_len", pblock->b_len);
setintfield(L, tindex, "h_len", pblock->h_len);
setintfield(L, tindex, "copied", pblock->copied);
setstringfield(L, tindex, "type", libnet_diag_dump_pblock_type(pblock->type));
setintfield(L, tindex, "flags", pblock->flags);
setintfield(L, tindex, "ptag", pblock->ptag);
if(pblock->next)
setintfield(L, tindex, "next", pblock->next->ptag);
if(pblock->prev)
setintfield(L, tindex, "prev", pblock->prev->ptag);
}
static int
pushgroup(lua_State *L, struct group *g)
{
if (!g)
return lua_pushnil(L), 1;
lua_createtable(L, 0, 3);
setintegerfield(g, gr_gid);
setstringfield(g, gr_name);
if (g->gr_mem)
{
int i;
lua_newtable(L);
for (i = 0; g->gr_mem[i] != NULL; i++)
{
lua_pushstring(L, g->gr_mem[i]);
lua_rawseti(L, -2, i + 1);
}
lua_setfield(L, -2, "gr_mem");
}
settypemetatable("PosixGroup");
return 1;
}