1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586878889909192939495969798991001011021031041051061071081091101111121131141151161171181191201211221231241251261271281291301311321331341351361371381391401411421431441451461471481491501511521531541551561571581591601611621631641651661671681691701711721731741751761771781791801811821831841851861871881891901911921931941951961971981992002012022032042052062072082092102112122132142152162172182192202212222232242252262272282292302312322332342352362372382392402412422432442452462472482492502512522532542552562572582592602612622632642652662672682692702712722732742752762772782792802812822832842852862872882892902912922932942952962972982993003013023033043053063073083093103113123133143153163173183193203213223233243253263273283293303313323333343353363373383393403413423433443453463473483493503513523533543553563573583593603613623633643653663673683693703713723733743753763773783793803813823833843853863873883893903913923933943953963973983994004014024034044054064074084094104114124134144154164174184194204214224234244254264274284294304314324334344354364374384394404414424434444454464474484494504514524534544554564574584594604614624634644654664674684694704714724734744754764774784794804814824834844854864874884894904914924934944954964974984995005015025035045055065075085095105115125135145155165175185195205215225235245255265275285295305315325335345355365375385395405415425435445455465475485495505515525535545555565575585595605615625635645655665675685695705715725735745755765775785795805815825835845855865875885895905915925935945955965975985996006016026036046056066076086096106116126136146156166176186196206216226236246256266276286296306316326336346356366376386396406416426436446456466476486496506516526536546556566576586596606616626636646656666676686696706716726736746756766776786796806816826836846856866876886896906916926936946956966976986997007017027037047057067077087097107117127137147157167177187197207217227237247257267277287297307317327337347357367377387397407417427437447457467477487497507517527537547557567577587597607617627637647657667677687697707717727737747757767777787797807817827837847857867877887897907917927937947957967977987998008018028038048058068078088098108118128138148158168178188198208218228238248258268278288298308318328338348358368378388398408418428438448458468478488498508518528538548558568578588598608618628638648658668678688698708718728738748758768778788798808818828838848858868878888898908918928938948958968978988999009019029039049059069079089099109119129139149159169179189199209219229239249259269279289299309319329339349359369379389399409419429439449459469479489499509519529539549559569579589599609619629639649659669679689699709719729739749759769779789799809819829839849859869879889899909919929939949959969979989991000100110021003100410051006100710081009101010111012101310141015101610171018101910201021102210231024102510261027102810291030103110321033103410351036103710381039104010411042104310441045104610471048104910501051105210531054105510561057105810591060106110621063106410651066106710681069107010711072107310741075107610771078107910801081108210831084108510861087108810891090109110921093109410951096109710981099110011011102110311041105110611071108110911101111111211131114111511161117111811191120112111221123112411251126112711281129113011311132113311341135113611371138113911401141114211431144114511461147114811491150115111521153115411551156115711581159116011611162116311641165116611671168116911701171117211731174117511761177117811791180118111821183118411851186118711881189119011911192 |
- /*-
- * Copyright 2016 Vsevolod Stakhov
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
- #include "lua_common.h"
- #include "libserver/maps/map.h"
- #include "libserver/maps/map_helpers.h"
- #include "libserver/maps/map_private.h"
- #include "contrib/libucl/lua_ucl.h"
-
- /***
- * This module is used to manage rspamd maps and map like objects
- *
- * @module rspamd_map
- *
- * All maps could be obtained by function `rspamd_config:get_maps()`
- * Also see [`lua_maps` module description](lua_maps.html).
- */
-
- /***
- * @method map:get_key(in)
- * Variable method for different types of maps:
- *
- * - For hash maps it returns boolean and accepts string
- * - For kv maps it returns string (or nil) and accepts string
- * - For radix maps it returns boolean and accepts IP address (as object, string or number)
- *
- * @param {vary} in input to check
- * @return {bool|string} if a value is found then this function returns string or `True` if not - then it returns `nil` or `False`
- */
- LUA_FUNCTION_DEF (map, get_key);
-
-
- /***
- * @method map:is_signed()
- * Returns `True` if a map is signed
- * @return {bool} signed value
- */
- LUA_FUNCTION_DEF (map, is_signed);
-
- /***
- * @method map:get_proto()
- * Returns protocol of map as string:
- *
- * - `http`: for HTTP map
- * - `file`: for file map
- * @return {string} string representation of the map protocol
- */
- LUA_FUNCTION_DEF (map, get_proto);
-
- /***
- * @method map:get_sign_key()
- * Returns pubkey used for signing as base32 string or nil
- * @return {string} base32 encoded string or nil
- */
- LUA_FUNCTION_DEF (map, get_sign_key);
-
- /***
- * @method map:set_sign_key(key)
- * Set trusted key for signatures for this map
- * @param {string} key base32 encoded string or nil
- */
- LUA_FUNCTION_DEF (map, set_sign_key);
-
- /***
- * @method map:set_callback(cb)
- * Set callback for a specified callback map.
- * @param {function} cb map callback function
- */
- LUA_FUNCTION_DEF (map, set_callback);
-
- /***
- * @method map:get_uri()
- * Get uri for a specified map
- * @return {string} map's URI
- */
- LUA_FUNCTION_DEF (map, get_uri);
-
- /***
- * @method map:get_stats(reset)
- * Get statistics for specific map. It returns table in form:
- * [key] => [nhits]
- * @param {boolean} reset reset stats if true
- * @return {table} map's stat
- */
- LUA_FUNCTION_DEF (map, get_stats);
-
- /***
- * @method map:get_data_digest()
- * Get data digest for specific map
- * @return {string} 64 bit number represented as string (due to Lua limitations)
- */
- LUA_FUNCTION_DEF (map, get_data_digest);
-
- /***
- * @method map:get_nelts()
- * Get number of elements for specific map
- * @return {number} number of elements in the map
- */
- LUA_FUNCTION_DEF (map, get_nelts);
-
- static const struct luaL_reg maplib_m[] = {
- LUA_INTERFACE_DEF (map, get_key),
- LUA_INTERFACE_DEF (map, is_signed),
- LUA_INTERFACE_DEF (map, get_proto),
- LUA_INTERFACE_DEF (map, get_sign_key),
- LUA_INTERFACE_DEF (map, set_sign_key),
- LUA_INTERFACE_DEF (map, set_callback),
- LUA_INTERFACE_DEF (map, get_uri),
- LUA_INTERFACE_DEF (map, get_stats),
- LUA_INTERFACE_DEF (map, get_data_digest),
- LUA_INTERFACE_DEF (map, get_nelts),
- {"__tostring", rspamd_lua_class_tostring},
- {NULL, NULL}
- };
-
- struct lua_map_callback_data {
- lua_State *L;
- gint ref;
- rspamd_fstring_t *data;
- struct rspamd_lua_map *lua_map;
- };
-
- struct rspamd_lua_map *
- lua_check_map (lua_State * L, gint pos)
- {
- void *ud = rspamd_lua_check_udata (L, pos, "rspamd{map}");
- luaL_argcheck (L, ud != NULL, pos, "'map' expected");
- return ud ? *((struct rspamd_lua_map **)ud) : NULL;
- }
-
- gint
- lua_config_add_radix_map (lua_State *L)
- {
- LUA_TRACE_POINT;
- struct rspamd_config *cfg = lua_check_config (L, 1);
- const gchar *map_line, *description;
- struct rspamd_lua_map *map, **pmap;
- struct rspamd_map *m;
-
- if (cfg) {
- map_line = luaL_checkstring (L, 2);
- description = lua_tostring (L, 3);
- map = rspamd_mempool_alloc0 (cfg->cfg_pool, sizeof (*map));
- map->data.radix = NULL;
- map->type = RSPAMD_LUA_MAP_RADIX;
-
- if ((m = rspamd_map_add (cfg, map_line, description,
- rspamd_radix_read,
- rspamd_radix_fin,
- rspamd_radix_dtor,
- (void **)&map->data.radix,
- NULL)) == NULL) {
- msg_warn_config ("invalid radix map %s", map_line);
- lua_pushnil (L);
-
- return 1;
- }
-
- map->map = m;
- m->lua_map = map;
- pmap = lua_newuserdata (L, sizeof (void *));
- *pmap = map;
- rspamd_lua_setclass (L, "rspamd{map}", -1);
- }
- else {
- return luaL_error (L, "invalid arguments");
- }
-
- return 1;
-
- }
-
- gint
- lua_config_radix_from_config (lua_State *L)
- {
- LUA_TRACE_POINT;
- struct rspamd_config *cfg = lua_check_config (L, 1);
- const gchar *mname, *optname;
- const ucl_object_t *obj;
- struct rspamd_lua_map *map, **pmap;
- ucl_object_t *fake_obj;
- struct rspamd_map *m;
-
- if (!cfg) {
- return luaL_error (L, "invalid arguments");
- }
-
- mname = luaL_checkstring (L, 2);
- optname = luaL_checkstring (L, 3);
-
- if (mname && optname) {
- obj = rspamd_config_get_module_opt (cfg, mname, optname);
-
- if (obj) {
- map = rspamd_mempool_alloc0 (cfg->cfg_pool, sizeof (*map));
- map->data.radix = NULL;
- map->type = RSPAMD_LUA_MAP_RADIX;
-
- fake_obj = ucl_object_typed_new (UCL_OBJECT);
- ucl_object_insert_key (fake_obj, ucl_object_ref (obj),
- "data", 0, false);
- ucl_object_insert_key (fake_obj, ucl_object_fromstring ("static"),
- "url", 0, false);
-
- if ((m = rspamd_map_add_from_ucl (cfg, fake_obj, "static radix map",
- rspamd_radix_read,
- rspamd_radix_fin,
- rspamd_radix_dtor,
- (void **)&map->data.radix,
- NULL)) == NULL) {
- msg_err_config ("invalid radix map static");
- lua_pushnil (L);
- ucl_object_unref (fake_obj);
-
- return 1;
- }
-
- ucl_object_unref (fake_obj);
- pmap = lua_newuserdata (L, sizeof (void *));
- map->map = m;
- m->lua_map = map;
- *pmap = map;
- rspamd_lua_setclass (L, "rspamd{map}", -1);
- }
- else {
- msg_warn_config ("Couldnt find config option [%s][%s]", mname,
- optname);
- lua_pushnil (L);
- }
-
- }
- else {
- return luaL_error (L, "invalid arguments");
- }
-
- return 1;
- }
-
-
- gint
- lua_config_radix_from_ucl (lua_State *L)
- {
- LUA_TRACE_POINT;
- struct rspamd_config *cfg = lua_check_config (L, 1);
- ucl_object_t *obj;
- struct rspamd_lua_map *map, **pmap;
- ucl_object_t *fake_obj;
- struct rspamd_map *m;
-
- if (!cfg) {
- return luaL_error (L, "invalid arguments");
- }
-
- obj = ucl_object_lua_import (L, 2);
-
- if (obj) {
- map = rspamd_mempool_alloc0 (cfg->cfg_pool, sizeof (*map));
- map->data.radix = NULL;
- map->type = RSPAMD_LUA_MAP_RADIX;
-
- fake_obj = ucl_object_typed_new (UCL_OBJECT);
- ucl_object_insert_key (fake_obj, ucl_object_ref (obj),
- "data", 0, false);
- ucl_object_insert_key (fake_obj, ucl_object_fromstring ("static"),
- "url", 0, false);
-
- if ((m = rspamd_map_add_from_ucl (cfg, fake_obj, "static radix map",
- rspamd_radix_read,
- rspamd_radix_fin,
- rspamd_radix_dtor,
- (void **)&map->data.radix,
- NULL)) == NULL) {
- msg_err_config ("invalid radix map static");
- lua_pushnil (L);
- ucl_object_unref (fake_obj);
- ucl_object_unref (obj);
-
- return 1;
- }
-
- ucl_object_unref (fake_obj);
- ucl_object_unref (obj);
- pmap = lua_newuserdata (L, sizeof (void *));
- map->map = m;
- m->lua_map = map;
- *pmap = map;
- rspamd_lua_setclass (L, "rspamd{map}", -1);
-
- }
- else {
- return luaL_error (L, "invalid arguments");
- }
-
- return 1;
- }
-
- gint
- lua_config_add_hash_map (lua_State *L)
- {
- LUA_TRACE_POINT;
- struct rspamd_config *cfg = lua_check_config (L, 1);
- const gchar *map_line, *description;
- struct rspamd_lua_map *map, **pmap;
- struct rspamd_map *m;
-
- if (cfg) {
- map_line = luaL_checkstring (L, 2);
- description = lua_tostring (L, 3);
- map = rspamd_mempool_alloc0 (cfg->cfg_pool, sizeof (*map));
- map->data.hash = NULL;
- map->type = RSPAMD_LUA_MAP_SET;
-
- if ((m = rspamd_map_add (cfg, map_line, description,
- rspamd_kv_list_read,
- rspamd_kv_list_fin,
- rspamd_kv_list_dtor,
- (void **)&map->data.hash,
- NULL)) == NULL) {
- msg_warn_config ("invalid set map %s", map_line);
- lua_pushnil (L);
- return 1;
- }
-
- map->map = m;
- m->lua_map = map;
- pmap = lua_newuserdata (L, sizeof (void *));
- *pmap = map;
- rspamd_lua_setclass (L, "rspamd{map}", -1);
- }
- else {
- return luaL_error (L, "invalid arguments");
- }
-
- return 1;
-
- }
-
- gint
- lua_config_add_kv_map (lua_State *L)
- {
- LUA_TRACE_POINT;
- struct rspamd_config *cfg = lua_check_config (L, 1);
- const gchar *map_line, *description;
- struct rspamd_lua_map *map, **pmap;
- struct rspamd_map *m;
-
- if (cfg) {
- map_line = luaL_checkstring (L, 2);
- description = lua_tostring (L, 3);
- map = rspamd_mempool_alloc0 (cfg->cfg_pool, sizeof (*map));
- map->data.hash = NULL;
- map->type = RSPAMD_LUA_MAP_HASH;
-
- if ((m = rspamd_map_add (cfg, map_line, description,
- rspamd_kv_list_read,
- rspamd_kv_list_fin,
- rspamd_kv_list_dtor,
- (void **)&map->data.hash,
- NULL)) == NULL) {
- msg_warn_config ("invalid hash map %s", map_line);
- lua_pushnil (L);
-
- return 1;
- }
-
- map->map = m;
- m->lua_map = map;
- pmap = lua_newuserdata (L, sizeof (void *));
- *pmap = map;
- rspamd_lua_setclass (L, "rspamd{map}", -1);
- }
- else {
- return luaL_error (L, "invalid arguments");
- }
-
- return 1;
- }
-
-
- static gchar *
- lua_map_read (gchar *chunk, gint len,
- struct map_cb_data *data,
- gboolean final)
- {
- struct lua_map_callback_data *cbdata, *old;
-
- if (data->cur_data == NULL) {
- old = (struct lua_map_callback_data *)data->prev_data;
- cbdata = old;
- cbdata->L = old->L;
- cbdata->ref = old->ref;
- cbdata->lua_map = old->lua_map;
- data->cur_data = cbdata;
- data->prev_data = NULL;
- }
- else {
- cbdata = (struct lua_map_callback_data *)data->cur_data;
- }
-
- if (cbdata->data == NULL) {
- cbdata->data = rspamd_fstring_new_init (chunk, len);
- }
- else {
- cbdata->data = rspamd_fstring_append (cbdata->data, chunk, len);
- }
-
- return NULL;
- }
-
- static void
- lua_map_fin (struct map_cb_data *data, void **target)
- {
- struct lua_map_callback_data *cbdata;
- struct rspamd_lua_map **pmap;
- struct rspamd_map *map;
-
- map = data->map;
-
- if (data->cur_data) {
- cbdata = (struct lua_map_callback_data *)data->cur_data;
- }
- else {
- msg_err_map ("no data read for map");
- return;
- }
-
- if (cbdata->ref == -1) {
- msg_err_map ("map has no callback set");
- }
- else if (cbdata->data != NULL && cbdata->data->len != 0) {
- lua_rawgeti (cbdata->L, LUA_REGISTRYINDEX, cbdata->ref);
- lua_pushlstring (cbdata->L, cbdata->data->str, cbdata->data->len);
- pmap = lua_newuserdata (cbdata->L, sizeof (void *));
- *pmap = cbdata->lua_map;
- rspamd_lua_setclass (cbdata->L, "rspamd{map}", -1);
-
- if (lua_pcall (cbdata->L, 2, 0, 0) != 0) {
- msg_info_map ("call to %s failed: %s", "local function",
- lua_tostring (cbdata->L, -1));
- lua_pop (cbdata->L, 1);
- }
- }
-
- cbdata->data = rspamd_fstring_assign (cbdata->data, "", 0);
-
- if (target) {
- *target = data->cur_data;
- }
-
- if (data->prev_data) {
- data->prev_data = NULL;
- }
- }
-
- static void
- lua_map_dtor (struct map_cb_data *data)
- {
- struct lua_map_callback_data *cbdata;
-
- if (data->cur_data) {
- cbdata = (struct lua_map_callback_data *)data->cur_data;
- if (cbdata->ref != -1) {
- luaL_unref (cbdata->L, LUA_REGISTRYINDEX, cbdata->ref);
- }
-
- if (cbdata->data) {
- rspamd_fstring_free (cbdata->data);
- }
- }
- }
-
- gint
- lua_config_add_map (lua_State *L)
- {
- LUA_TRACE_POINT;
- struct rspamd_config *cfg = lua_check_config (L, 1);
- const char *description = NULL;
- const gchar *type = NULL;
- ucl_object_t *map_obj = NULL;
- struct lua_map_callback_data *cbdata;
- struct rspamd_lua_map *map, **pmap;
- struct rspamd_map *m;
- int cbidx = -1, ret;
- GError *err = NULL;
-
- if (cfg) {
- if (!rspamd_lua_parse_table_arguments (L, 2, &err,
- RSPAMD_LUA_PARSE_ARGUMENTS_DEFAULT,
- "*url=O;description=S;callback=F;type=S",
- &map_obj, &description, &cbidx, &type)) {
- ret = luaL_error (L, "invalid table arguments: %s", err->message);
- g_error_free (err);
- if (map_obj) {
- ucl_object_unref (map_obj);
- }
-
- return ret;
- }
-
- g_assert (map_obj != NULL);
-
- if (type == NULL && cbidx != -1) {
- type = "callback";
- }
- else if (type == NULL) {
- return luaL_error (L, "invalid map type");
- }
-
- if (strcmp (type, "callback") == 0) {
- map = rspamd_mempool_alloc0 (cfg->cfg_pool, sizeof (*map));
- map->type = RSPAMD_LUA_MAP_CALLBACK;
- map->data.cbdata = rspamd_mempool_alloc0 (cfg->cfg_pool,
- sizeof (*map->data.cbdata));
- cbdata = map->data.cbdata;
- cbdata->L = L;
- cbdata->data = NULL;
- cbdata->lua_map = map;
- cbdata->ref = cbidx;
-
- if ((m = rspamd_map_add_from_ucl (cfg, map_obj, description,
- lua_map_read,
- lua_map_fin,
- lua_map_dtor,
- (void **)&map->data.cbdata,
- NULL)) == NULL) {
-
- if (cbidx != -1) {
- luaL_unref (L, LUA_REGISTRYINDEX, cbidx);
- }
-
- if (map_obj) {
- ucl_object_unref (map_obj);
- }
-
- lua_pushnil (L);
-
- return 1;
- }
- m->lua_map = map;
- }
- else if (strcmp (type, "set") == 0) {
- map = rspamd_mempool_alloc0 (cfg->cfg_pool, sizeof (*map));
- map->data.hash = NULL;
- map->type = RSPAMD_LUA_MAP_SET;
-
- if ((m = rspamd_map_add_from_ucl (cfg, map_obj, description,
- rspamd_kv_list_read,
- rspamd_kv_list_fin,
- rspamd_kv_list_dtor,
- (void **)&map->data.hash,
- NULL)) == NULL) {
- lua_pushnil (L);
- ucl_object_unref (map_obj);
-
- return 1;
- }
- m->lua_map = map;
- }
- else if (strcmp (type, "map") == 0 || strcmp (type, "hash") == 0) {
- map = rspamd_mempool_alloc0 (cfg->cfg_pool, sizeof (*map));
- map->data.hash = NULL;
- map->type = RSPAMD_LUA_MAP_HASH;
-
- if ((m = rspamd_map_add_from_ucl (cfg, map_obj, description,
- rspamd_kv_list_read,
- rspamd_kv_list_fin,
- rspamd_kv_list_dtor,
- (void **)&map->data.hash,
- NULL)) == NULL) {
- lua_pushnil (L);
- ucl_object_unref (map_obj);
-
- return 1;
- }
- m->lua_map = map;
- }
- else if (strcmp (type, "radix") == 0) {
- map = rspamd_mempool_alloc0 (cfg->cfg_pool, sizeof (*map));
- map->data.radix = NULL;
- map->type = RSPAMD_LUA_MAP_RADIX;
-
- if ((m = rspamd_map_add_from_ucl (cfg, map_obj, description,
- rspamd_radix_read,
- rspamd_radix_fin,
- rspamd_radix_dtor,
- (void **)&map->data.radix,
- NULL)) == NULL) {
- lua_pushnil (L);
- ucl_object_unref (map_obj);
-
- return 1;
- }
- m->lua_map = map;
- }
- else if (strcmp (type, "regexp") == 0) {
- map = rspamd_mempool_alloc0 (cfg->cfg_pool, sizeof (*map));
- map->data.re_map = NULL;
- map->type = RSPAMD_LUA_MAP_REGEXP;
-
- if ((m = rspamd_map_add_from_ucl (cfg, map_obj, description,
- rspamd_regexp_list_read_single,
- rspamd_regexp_list_fin,
- rspamd_regexp_list_dtor,
- (void **) &map->data.re_map,
- NULL)) == NULL) {
- lua_pushnil (L);
- ucl_object_unref (map_obj);
-
- return 1;
- }
- m->lua_map = map;
- }
- else if (strcmp (type, "regexp_multi") == 0) {
- map = rspamd_mempool_alloc0 (cfg->cfg_pool, sizeof (*map));
- map->data.re_map = NULL;
- map->type = RSPAMD_LUA_MAP_REGEXP_MULTIPLE;
-
- if ((m = rspamd_map_add_from_ucl (cfg, map_obj, description,
- rspamd_regexp_list_read_multiple,
- rspamd_regexp_list_fin,
- rspamd_regexp_list_dtor,
- (void **) &map->data.re_map,
- NULL)) == NULL) {
- lua_pushnil (L);
- ucl_object_unref (map_obj);
-
- return 1;
- }
- m->lua_map = map;
- }
- else if (strcmp (type, "glob") == 0) {
- map = rspamd_mempool_alloc0 (cfg->cfg_pool, sizeof (*map));
- map->data.re_map = NULL;
- map->type = RSPAMD_LUA_MAP_REGEXP;
-
- if ((m = rspamd_map_add_from_ucl (cfg, map_obj, description,
- rspamd_glob_list_read_single,
- rspamd_regexp_list_fin,
- rspamd_regexp_list_dtor,
- (void **) &map->data.re_map,
- NULL)) == NULL) {
- lua_pushnil (L);
- ucl_object_unref (map_obj);
-
- return 1;
- }
- m->lua_map = map;
- }
- else if (strcmp (type, "glob_multi") == 0) {
- map = rspamd_mempool_alloc0 (cfg->cfg_pool, sizeof (*map));
- map->data.re_map = NULL;
- map->type = RSPAMD_LUA_MAP_REGEXP_MULTIPLE;
-
- if ((m = rspamd_map_add_from_ucl (cfg, map_obj, description,
- rspamd_glob_list_read_multiple,
- rspamd_regexp_list_fin,
- rspamd_regexp_list_dtor,
- (void **) &map->data.re_map,
- NULL)) == NULL) {
- lua_pushnil (L);
- ucl_object_unref (map_obj);
-
- return 1;
- }
- m->lua_map = map;
- }
- else {
- ret = luaL_error (L, "invalid arguments: unknown type '%s'", type);
- ucl_object_unref (map_obj);
-
- return ret;
- }
-
- map->map = m;
- pmap = lua_newuserdata (L, sizeof (void *));
- *pmap = map;
- rspamd_lua_setclass (L, "rspamd{map}", -1);
- }
- else {
- return luaL_error (L, "invalid arguments");
- }
-
- ucl_object_unref (map_obj);
-
- return 1;
- }
-
- gint
- lua_config_get_maps (lua_State*L)
- {
- LUA_TRACE_POINT;
- struct rspamd_config *cfg = lua_check_config (L, 1);
- struct rspamd_lua_map *map, **pmap;
- struct rspamd_map *m;
- gint i = 1;
- GList *cur;
-
- if (cfg) {
- lua_newtable (L);
- cur = g_list_first (cfg->maps);
-
- while (cur) {
- m = cur->data;
-
- if (m->lua_map) {
- map = m->lua_map;
- }
- else {
- /* Implement heuristic */
- map = rspamd_mempool_alloc0 (cfg->cfg_pool, sizeof (*map));
-
- if (m->read_callback == rspamd_radix_read) {
- map->type = RSPAMD_LUA_MAP_RADIX;
- map->data.radix = *m->user_data;
- }
- else if (m->read_callback == rspamd_kv_list_read) {
- map->type = RSPAMD_LUA_MAP_HASH;
- map->data.hash = *m->user_data;
- }
- else {
- map->type = RSPAMD_LUA_MAP_UNKNOWN;
- }
-
- map->map = m;
- m->lua_map = map;
- }
-
- pmap = lua_newuserdata (L, sizeof (*pmap));
- *pmap = map;
- rspamd_lua_setclass (L, "rspamd{map}", -1);
- lua_rawseti (L, -2, i);
-
- cur = g_list_next (cur);
- i ++;
- }
- }
- else {
- return luaL_error (L, "invalid arguments");
- }
-
- return 1;
- }
-
- static const gchar *
- lua_map_process_string_key (lua_State *L, gint pos, gsize *len)
- {
- struct rspamd_lua_text *t;
-
- if (lua_type (L, pos) == LUA_TSTRING) {
- return lua_tolstring (L, pos, len);
- }
- else if (lua_type (L, pos) == LUA_TUSERDATA) {
- t = lua_check_text (L, pos);
-
- if (t) {
- *len = t->len;
- return t->start;
- }
- }
-
- return NULL;
- }
-
- /* Radix and hash table functions */
- static gint
- lua_map_get_key (lua_State * L)
- {
- LUA_TRACE_POINT;
- struct rspamd_lua_map *map = lua_check_map (L, 1);
- struct rspamd_radix_map_helper *radix;
- struct rspamd_lua_ip *addr = NULL;
- const gchar *key, *value = NULL;
- gpointer ud;
- gsize len;
- guint32 key_num = 0;
- gboolean ret = FALSE;
-
- if (map) {
- if (map->type == RSPAMD_LUA_MAP_RADIX) {
- radix = map->data.radix;
-
- if (lua_type (L, 2) == LUA_TSTRING) {
- const gchar *addr_str;
-
- addr_str = luaL_checklstring (L, 2, &len);
- addr = g_alloca (sizeof (*addr));
- addr->addr = g_alloca (rspamd_inet_address_storage_size ());
-
- if (!rspamd_parse_inet_address_ip (addr_str, len, addr->addr)) {
- addr = NULL;
- msg_warn ("invalid ip address: %*s, when checking map: %s",
- (gint)len, addr_str, map->map->name);
- }
- }
- else if (lua_type (L, 2) == LUA_TUSERDATA) {
- ud = rspamd_lua_check_udata (L, 2, "rspamd{ip}");
- if (ud != NULL) {
- addr = *((struct rspamd_lua_ip **)ud);
-
- if (addr->addr == NULL) {
- addr = NULL;
- }
- }
- else {
- msg_err ("invalid userdata type provided, rspamd{ip} expected");
- }
- }
- else if (lua_type (L, 2) == LUA_TNUMBER) {
- key_num = luaL_checkinteger (L, 2);
- key_num = htonl (key_num);
- }
-
- if (radix) {
- gconstpointer p = NULL;
-
- if (addr != NULL) {
- if ((p = rspamd_match_radix_map_addr (radix, addr->addr))
- != NULL) {
- ret = TRUE;
- }
- else {
- p = 0;
- }
- }
- else if (key_num != 0) {
- if ((p = rspamd_match_radix_map (radix,
- (guint8 *)&key_num, sizeof (key_num))) != NULL) {
- ret = TRUE;
- }
- else {
- p = 0;
- }
- }
-
- value = (const char *)p;
- }
-
- if (ret) {
- lua_pushstring (L, value);
- return 1;
- }
- }
- else if (map->type == RSPAMD_LUA_MAP_SET) {
- key = lua_map_process_string_key (L, 2, &len);
-
- if (key && map->data.hash) {
- ret = rspamd_match_hash_map (map->data.hash, key) != NULL;
- }
- }
- else if (map->type == RSPAMD_LUA_MAP_REGEXP) {
- key = lua_map_process_string_key (L, 2, &len);
-
- if (key && map->data.re_map) {
- value = rspamd_match_regexp_map_single (map->data.re_map, key,
- len);
-
- if (value) {
- lua_pushstring (L, value);
- return 1;
- }
- }
- }
- else if (map->type == RSPAMD_LUA_MAP_REGEXP_MULTIPLE) {
- GPtrArray *ar;
- guint i;
- const gchar *val;
-
- key = lua_map_process_string_key (L, 2, &len);
-
- if (key && map->data.re_map) {
- ar = rspamd_match_regexp_map_all (map->data.re_map, key,
- len);
-
- if (ar) {
- lua_createtable (L, ar->len, 0);
-
- PTR_ARRAY_FOREACH (ar, i, val) {
- lua_pushstring (L, val);
- lua_rawseti (L, -2, i + 1);
- }
-
- g_ptr_array_free (ar, TRUE);
-
- return 1;
- }
- }
- }
- else if (map->type == RSPAMD_LUA_MAP_HASH) {
- /* key-value map */
- key = lua_map_process_string_key (L, 2, &len);
-
- if (key && map->data.hash) {
- value = rspamd_match_hash_map (map->data.hash, key);
- }
-
- if (value) {
- lua_pushstring (L, value);
- return 1;
- }
- }
- else {
- /* callback map or unknown type map */
- lua_pushnil (L);
- return 1;
- }
- }
- else {
- return luaL_error (L, "invalid arguments");
- }
-
- lua_pushboolean (L, ret);
- return 1;
- }
-
- static gboolean
- lua_map_traverse_cb (gconstpointer key,
- gconstpointer value, gsize hits, gpointer ud)
- {
- lua_State *L = (lua_State *)ud;
-
- lua_pushstring (L, key);
- lua_pushinteger (L, hits);
- lua_settable (L, -3);
-
- return TRUE;
- }
-
- static gint
- lua_map_get_stats (lua_State * L)
- {
- LUA_TRACE_POINT;
- struct rspamd_lua_map *map = lua_check_map (L, 1);
- gboolean do_reset = FALSE;
-
- if (map != NULL) {
- if (lua_isboolean (L, 2)) {
- do_reset = lua_toboolean (L, 2);
- }
-
- lua_createtable (L, 0, map->map->nelts);
-
- if (map->map->traverse_function) {
- rspamd_map_traverse (map->map, lua_map_traverse_cb, L, do_reset);
- }
- }
- else {
- return luaL_error (L, "invalid arguments");
- }
-
- return 1;
- }
-
- static gint
- lua_map_get_data_digest (lua_State * L)
- {
- LUA_TRACE_POINT;
- struct rspamd_lua_map *map = lua_check_map (L, 1);
- gchar numbuf[64];
-
- if (map != NULL) {
- rspamd_snprintf (numbuf, sizeof (numbuf), "%uL", map->map->digest);
- lua_pushstring (L, numbuf);
- }
- else {
- return luaL_error (L, "invalid arguments");
- }
-
- return 1;
- }
-
- static gint
- lua_map_get_nelts (lua_State * L)
- {
- LUA_TRACE_POINT;
- struct rspamd_lua_map *map = lua_check_map (L, 1);
-
- if (map != NULL) {
- lua_pushinteger (L, map->map->nelts);
- }
- else {
- return luaL_error (L, "invalid arguments");
- }
-
- return 1;
- }
-
- static int
- lua_map_is_signed (lua_State *L)
- {
- LUA_TRACE_POINT;
- struct rspamd_lua_map *map = lua_check_map (L, 1);
- gboolean ret = FALSE;
- struct rspamd_map_backend *bk;
- guint i;
-
- if (map != NULL) {
- if (map->map) {
- for (i = 0; i < map->map->backends->len; i ++) {
- bk = g_ptr_array_index (map->map->backends, i);
- if (bk->is_signed && bk->protocol == MAP_PROTO_FILE) {
- ret = TRUE;
- break;
- }
- }
- }
- }
- else {
- return luaL_error (L, "invalid arguments");
- }
-
- lua_pushboolean (L, ret);
- return 1;
- }
-
- static int
- lua_map_get_proto (lua_State *L)
- {
- LUA_TRACE_POINT;
- struct rspamd_lua_map *map = lua_check_map (L, 1);
- const gchar *ret = "undefined";
- struct rspamd_map_backend *bk;
- guint i;
-
- if (map != NULL) {
- for (i = 0; i < map->map->backends->len; i ++) {
- bk = g_ptr_array_index (map->map->backends, i);
- switch (bk->protocol) {
- case MAP_PROTO_FILE:
- ret = "file";
- break;
- case MAP_PROTO_HTTP:
- ret = "http";
- break;
- case MAP_PROTO_HTTPS:
- ret = "https";
- break;
- case MAP_PROTO_STATIC:
- ret = "static";
- break;
- }
- lua_pushstring (L, ret);
- }
- }
- else {
- return luaL_error (L, "invalid arguments");
- }
-
-
- return map->map->backends->len;
- }
-
- static int
- lua_map_get_sign_key (lua_State *L)
- {
- LUA_TRACE_POINT;
- struct rspamd_lua_map *map = lua_check_map (L, 1);
- struct rspamd_map_backend *bk;
- guint i;
- GString *ret = NULL;
-
- if (map != NULL) {
- for (i = 0; i < map->map->backends->len; i ++) {
- bk = g_ptr_array_index (map->map->backends, i);
-
- if (bk->trusted_pubkey) {
- ret = rspamd_pubkey_print (bk->trusted_pubkey,
- RSPAMD_KEYPAIR_PUBKEY|RSPAMD_KEYPAIR_BASE32);
- }
- else {
- ret = NULL;
- }
-
- if (ret) {
- lua_pushlstring (L, ret->str, ret->len);
- g_string_free (ret, TRUE);
- }
- else {
- lua_pushnil (L);
- }
- }
- }
- else {
- return luaL_error (L, "invalid arguments");
- }
-
- return map->map->backends->len;
- }
-
- static int
- lua_map_set_sign_key (lua_State *L)
- {
- LUA_TRACE_POINT;
- struct rspamd_lua_map *map = lua_check_map (L, 1);
- struct rspamd_map_backend *bk;
- const gchar *pk_str;
- struct rspamd_cryptobox_pubkey *pk;
- gsize len;
- guint i;
-
- pk_str = lua_tolstring (L, 2, &len);
-
- if (map && pk_str) {
- pk = rspamd_pubkey_from_base32 (pk_str, len, RSPAMD_KEYPAIR_SIGN,
- RSPAMD_CRYPTOBOX_MODE_25519);
-
- if (!pk) {
- return luaL_error (L, "invalid pubkey string");
- }
-
- for (i = 0; i < map->map->backends->len; i ++) {
- bk = g_ptr_array_index (map->map->backends, i);
- if (bk->trusted_pubkey) {
- /* Unref old pk */
- rspamd_pubkey_unref (bk->trusted_pubkey);
- }
-
- bk->trusted_pubkey = rspamd_pubkey_ref (pk);
- }
-
- rspamd_pubkey_unref (pk);
- }
- else {
- return luaL_error (L, "invalid arguments");
- }
-
- return 0;
- }
-
- static int
- lua_map_set_callback (lua_State *L)
- {
- LUA_TRACE_POINT;
- struct rspamd_lua_map *map = lua_check_map (L, 1);
-
- if (!map || map->type != RSPAMD_LUA_MAP_CALLBACK || map->data.cbdata == NULL) {
- return luaL_error (L, "invalid map");
- }
-
- if (lua_type (L, 2) != LUA_TFUNCTION) {
- return luaL_error (L, "invalid callback");
- }
-
- lua_pushvalue (L, 2);
- /* Get a reference */
- map->data.cbdata->ref = luaL_ref (L, LUA_REGISTRYINDEX);
-
- return 0;
- }
-
- static int
- lua_map_get_uri (lua_State *L)
- {
- LUA_TRACE_POINT;
- struct rspamd_lua_map *map = lua_check_map (L, 1);
- const gchar *ret = "undefined";
- struct rspamd_map_backend *bk;
- guint i;
-
- if (map != NULL) {
- for (i = 0; i < map->map->backends->len; i ++) {
- bk = g_ptr_array_index (map->map->backends, i);
- ret = bk->uri;
- lua_pushstring (L, ret);
- }
- }
- else {
- return luaL_error (L, "invalid arguments");
- }
-
- return map->map->backends->len;
- }
-
- void
- luaopen_map (lua_State * L)
- {
- rspamd_lua_new_class (L, "rspamd{map}", maplib_m);
-
- lua_pop (L, 1);
- }
|