aboutsummaryrefslogtreecommitdiffstats
path: root/src/lua/lua_ip.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/lua/lua_ip.c')
-rw-r--r--src/lua/lua_ip.c59
1 files changed, 43 insertions, 16 deletions
diff --git a/src/lua/lua_ip.c b/src/lua/lua_ip.c
index fd2dd64be..f5614afe3 100644
--- a/src/lua/lua_ip.c
+++ b/src/lua/lua_ip.c
@@ -35,6 +35,7 @@ LUA_FUNCTION_DEF (ip, get_version);
LUA_FUNCTION_DEF (ip, is_valid);
LUA_FUNCTION_DEF (ip, apply_mask);
LUA_FUNCTION_DEF (ip, equal);
+LUA_FUNCTION_DEF (ip, copy);
static const struct luaL_reg iplib_m[] = {
LUA_INTERFACE_DEF (ip, to_string),
@@ -45,6 +46,7 @@ static const struct luaL_reg iplib_m[] = {
LUA_INTERFACE_DEF (ip, get_version),
LUA_INTERFACE_DEF (ip, is_valid),
LUA_INTERFACE_DEF (ip, apply_mask),
+ LUA_INTERFACE_DEF (ip, copy),
{"__tostring", lua_ip_to_string},
{"__eq", lua_ip_equal},
{"__gc", lua_ip_destroy},
@@ -54,9 +56,18 @@ static const struct luaL_reg iplib_m[] = {
static const struct luaL_reg iplib_f[] = {
LUA_INTERFACE_DEF (ip, from_string),
LUA_INTERFACE_DEF (ip, from_number),
+ {"from_ip", lua_ip_copy},
{NULL, NULL}
};
+#define NEW_IP(n, o, p) do { \
+ (n) = g_slice_alloc (sizeof (struct rspamd_lua_ip)); \
+ if (o != NULL) { memcpy ((n), (o) ? (o) : (n), sizeof (struct rspamd_lua_ip)); } \
+ (p) = lua_newuserdata (L, sizeof (struct rspamd_lua_ip *)); \
+ rspamd_lua_setclass (L, "rspamd{ip}", -1); \
+ *(p) = (n); \
+} while(0)
+
static struct rspamd_lua_ip *
lua_check_ip (lua_State * L, gint pos)
{
@@ -210,11 +221,8 @@ lua_ip_from_string (lua_State *L)
ip_str = luaL_checkstring (L, 1);
if (ip_str) {
- ip = g_slice_alloc (sizeof (struct rspamd_lua_ip));
+ NEW_IP(ip, NULL, pip);
ip->is_valid = rspamd_parse_inet_address (&ip->addr, ip_str);
- pip = lua_newuserdata (L, sizeof (struct rspamd_lua_ip *));
- rspamd_lua_setclass (L, "rspamd{ip}", -1);
- *pip = ip;
}
else {
lua_pushnil (L);
@@ -260,14 +268,11 @@ lua_ip_from_number (lua_State *L)
if (lua_gettop (L) == 1 && lua_isnumber (L, 1)) {
/* Ipv4 version */
- ip = g_slice_alloc (sizeof (struct rspamd_lua_ip));
+ NEW_IP(ip, NULL, pip);
src[0] = lua_tointeger (L, 1);
ip->addr.af = AF_INET;
ip->is_valid = TRUE;
ip->addr.addr.s4.sin_addr.s_addr = htonl (src[0]);
- pip = lua_newuserdata (L, sizeof (struct rspamd_lua_ip *));
- rspamd_lua_setclass (L, "rspamd{ip}", -1);
- *pip = ip;
}
else if (lua_gettop (L) == 4 && lua_isnumber (L, 1)) {
/* Ipv6 version */
@@ -275,13 +280,10 @@ lua_ip_from_number (lua_State *L)
src[i] = htonl (lua_tonumber (L, i + 1));
}
G_STATIC_ASSERT (sizeof (ip->addr.addr.s6.sin6_addr) >= sizeof (src));
- ip = g_slice_alloc (sizeof (struct rspamd_lua_ip));
+ NEW_IP(ip, NULL, pip);
ip->addr.af = AF_INET6;
ip->is_valid = TRUE;
memcpy (&ip->addr.addr.s6.sin6_addr, src, sizeof (src));
- pip = lua_newuserdata (L, sizeof (struct rspamd_lua_ip *));
- rspamd_lua_setclass (L, "rspamd{ip}", -1);
- *pip = ip;
}
else {
lua_pushnil (L);
@@ -335,18 +337,20 @@ lua_ip_is_valid (lua_State *L)
static gint
lua_ip_apply_mask (lua_State *L)
{
- struct rspamd_lua_ip *ip = lua_check_ip (L, 1);
+ struct rspamd_lua_ip *ip = lua_check_ip (L, 1), *nip, **pip;
gint mask;
guint32 umsk, *p;
mask = lua_tonumber (L, 2);
if (mask > 0 && ip->is_valid) {
if (ip->addr.af == AF_INET && mask <= 32) {
+ NEW_IP(nip, ip, pip);
umsk = htonl (G_MAXUINT32 << (32 - mask));
- ip->addr.addr.s4.sin_addr.s_addr &= umsk;
+ nip->addr.addr.s4.sin_addr.s_addr &= umsk;
}
else if (ip->addr.af == AF_INET && mask <= 128) {
- p = (uint32_t *)&ip->addr.addr.s6.sin6_addr;
+ NEW_IP(nip, ip, pip);
+ p = (uint32_t *)&nip->addr.addr.s6.sin6_addr;
p += 3;
while (mask > 0) {
umsk = htonl (G_MAXUINT32 << (32 - (mask > 32 ? 32 : mask)));
@@ -355,9 +359,15 @@ lua_ip_apply_mask (lua_State *L)
mask -= 32;
}
}
+ else {
+ lua_pushnil (L);
+ }
+ }
+ else {
+ lua_pushnil (L);
}
- return 0;
+ return 1;
}
static gint
@@ -388,6 +398,23 @@ lua_ip_equal (lua_State *L)
return 1;
}
+static gint
+lua_ip_copy (lua_State *L)
+{
+ struct rspamd_lua_ip *ip = lua_check_ip (L, 1),
+ *nip, **pip;
+ const gchar *ip_str;
+
+ if (ip) {
+ NEW_IP(nip, ip, pip);
+ }
+ else {
+ lua_pushnil (L);
+ }
+
+ return 1;
+}
+
void
rspamd_lua_ip_push (lua_State *L, rspamd_inet_addr_t *addr)
{