--- /dev/null
+/*
+ * Copyright (c) 2009, Rambler media
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY Rambler media ''AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL Rambler BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+
+#include "lua_common.h"
+#include "../cfg_file.h"
+#include "../classifiers/classifiers.h"
+
+/* Classifier methods */
+LUA_FUNCTION_DEF (classifier, register_pre_callback);
+LUA_FUNCTION_DEF (classifier, register_post_callback);
+LUA_FUNCTION_DEF (classifier, get_statfiles);
+
+static const struct luaL_reg classifierlib_m[] = {
+ LUA_INTERFACE_DEF (classifier, register_pre_callback),
+ LUA_INTERFACE_DEF (classifier, register_post_callback),
+ LUA_INTERFACE_DEF (classifier, get_statfiles),
+ {"__tostring", lua_class_tostring},
+ {NULL, NULL}
+};
+
+
+static const struct luaL_reg statfilelib_m[] = {
+ {"__tostring", lua_class_tostring},
+ {NULL, NULL}
+};
+
+struct classifier_callback_data {
+ lua_State *L;
+ const char *name;
+};
+
+static struct statfile* lua_check_statfile (lua_State * L);
+
+/* Classifier implementation */
+
+
+static struct classifier_config *
+lua_check_classifier (lua_State * L)
+{
+ void *ud = luaL_checkudata (L, 1, "rspamd{classifier}");
+ luaL_argcheck (L, ud != NULL, 1, "'classifier' expected");
+ return *((struct classifier_config **)ud);
+}
+
+/* Return list of statfiles that should be checked for this message */
+GList *
+call_classifier_pre_callbacks (struct classifier_config *ccf, struct worker_task *task)
+{
+ GList *res = NULL, *cur;
+ struct classifier_callback_data *cd;
+ struct classifier_config **pccf;
+ struct worker_task **ptask;
+ struct statfile *st;
+ int i, len;
+
+ /* Go throught all callbacks and call them, appending results to list */
+ cur = g_list_first (ccf->pre_callbacks);
+ while (cur) {
+ cd = cur->data;
+ lua_getglobal (cd->L, cd->name);
+
+ pccf = lua_newuserdata (cd->L, sizeof (struct classifier_config *));
+ lua_setclass (cd->L, "rspamd{classifier}", -1);
+ *pccf = ccf;
+
+ ptask = lua_newuserdata (cd->L, sizeof (struct worker_task *));
+ lua_setclass (cd->L, "rspamd{task}", -1);
+ *ptask = task;
+
+ if (lua_pcall (cd->L, 2, 1, 0) != 0) {
+ msg_warn ("call_classifier_pre_callbacks: error running function %s: %s", cd->name, lua_tostring (cd->L, -1));
+ }
+ else {
+ if (lua_istable (cd->L, 1)) {
+ len = lua_objlen (cd->L, 1);
+ for (i = 1; i <= len; i ++) {
+ lua_rawgeti (cd->L, 1, i);
+ st = lua_check_statfile (cd->L);
+ if (st) {
+ res = g_list_prepend (res, st);
+ }
+ }
+ }
+ }
+
+ cur = g_list_next (cur);
+ }
+
+ return res;
+}
+
+/* Return result mark for statfile */
+double
+call_classifier_post_callbacks (struct classifier_config *ccf, struct worker_task *task, double in)
+{
+ struct classifier_callback_data *cd;
+ struct classifier_config **pccf;
+ struct worker_task **ptask;
+ double out = in;
+ GList *cur;
+
+ /* Go throught all callbacks and call them, appending results to list */
+ cur = g_list_first (ccf->pre_callbacks);
+ while (cur) {
+ cd = cur->data;
+ lua_getglobal (cd->L, cd->name);
+
+ pccf = lua_newuserdata (cd->L, sizeof (struct classifier_config *));
+ lua_setclass (cd->L, "rspamd{classifier}", -1);
+ *pccf = ccf;
+
+ ptask = lua_newuserdata (cd->L, sizeof (struct worker_task *));
+ lua_setclass (cd->L, "rspamd{task}", -1);
+ *ptask = task;
+
+ lua_pushnumber (cd->L, out);
+
+ if (lua_pcall (cd->L, 3, 1, 0) != 0) {
+ msg_warn ("call_classifier_pre_callbacks: error running function %s: %s", cd->name, lua_tostring (cd->L, -1));
+ }
+ else {
+ if (lua_isnumber (cd->L, 1)) {
+ out = lua_tonumber (cd->L, 1);
+ }
+ }
+
+ cur = g_list_next (cur);
+ }
+
+ return out;
+
+}
+
+static int
+lua_classifier_register_pre_callback (lua_State *L)
+{
+ struct classifier_config *ccf = lua_check_classifier (L);
+ struct classifier_callback_data *cd;
+ const char *name;
+
+ if (ccf) {
+ name = luaL_checkstring (L, 2);
+ if (name) {
+ cd = g_malloc (sizeof (struct classifier_callback_data));
+ cd->name = g_strdup (name);
+ cd->L = L;
+ ccf->pre_callbacks = g_list_prepend (ccf->pre_callbacks, cd);
+ }
+ }
+
+ return 0;
+
+}
+
+static int
+lua_classifier_register_post_callback (lua_State *L)
+{
+ struct classifier_config *ccf = lua_check_classifier (L);
+ struct classifier_callback_data *cd;
+ const char *name;
+
+ if (ccf) {
+ name = luaL_checkstring (L, 2);
+ if (name) {
+ cd = g_malloc (sizeof (struct classifier_callback_data));
+ cd->name = g_strdup (name);
+ cd->L = L;
+ ccf->pre_callbacks = g_list_prepend (ccf->pre_callbacks, cd);
+ }
+ }
+
+ return 0;
+}
+
+/* Return table of statfiles indexed by theirs name */
+static int
+lua_classifier_get_statfiles (lua_State *L)
+{
+ struct classifier_config *ccf = lua_check_classifier (L);
+ GList *cur;
+ struct statfile *st, **pst;
+
+ if (ccf) {
+ lua_newtable (L);
+ cur = g_list_first (ccf->statfiles);
+ while (cur) {
+ st = cur->data;
+ /* t['statfile_name'] = statfile */
+ lua_pushstring (L, st->symbol);
+ pst = lua_newuserdata (L, sizeof (struct statfile *));
+ lua_setclass (L, "rspamd{statfile}", -1);
+ *pst = st;
+
+ lua_settable (L, -3);
+
+ cur = g_list_next (cur);
+ }
+ }
+ else {
+ lua_pushnil (L);
+ }
+
+ return 1;
+}
+
+/* Statfile functions */
+static struct statfile *
+lua_check_statfile (lua_State * L)
+{
+ void *ud = luaL_checkudata (L, 1, "rspamd{statfile}");
+ luaL_argcheck (L, ud != NULL, 1, "'statfile' expected");
+ return *((struct statfile **)ud);
+}
+
+
+/* Open functions */
+
+int
+luaopen_classifier (lua_State * L)
+{
+ lua_newclass (L, "rspamd{classifier}", classifierlib_m);
+ luaL_openlib (L, "rspamd_classifier", null_reg, 0);
+
+ return 1;
+}
+
+int
+luaopen_statfile (lua_State * L)
+{
+ lua_newclass (L, "rspamd{statfile}", statfilelib_m);
+ luaL_openlib (L, "rspamd_statfile", null_reg, 0);
+
+ return 1;
+}
+
#include "../expressions.h"
#include "../map.h"
#include "../radix.h"
+#include "../classifiers/classifiers.h"
/* Config file methods */
LUA_FUNCTION_DEF (config, get_module_opt);
LUA_FUNCTION_DEF (config, register_function);
LUA_FUNCTION_DEF (config, add_radix_map);
LUA_FUNCTION_DEF (config, add_hash_map);
+LUA_FUNCTION_DEF (config, get_classifier);
static const struct luaL_reg configlib_m[] = {
LUA_INTERFACE_DEF (config, get_module_opt),
LUA_INTERFACE_DEF (config, register_function),
LUA_INTERFACE_DEF (config, add_radix_map),
LUA_INTERFACE_DEF (config, add_hash_map),
+ LUA_INTERFACE_DEF (config, get_classifier),
{"__tostring", lua_class_tostring},
{NULL, NULL}
};
}
+static int
+lua_config_get_classifier (lua_State * L)
+{
+ struct config_file *cfg = lua_check_config (L);
+ struct classifier_config *clc = NULL, **pclc = NULL;
+ const char *name;
+ GList *cur;
+
+ if (cfg) {
+ name = luaL_checkstring (L, 2);
+
+ cur = g_list_first (cfg->classifiers);
+ while (cur) {
+ clc = cur->data;
+ if (g_ascii_strcasecmp (clc->classifier->name, name) == 0) {
+ pclc = &clc;
+ break;
+ }
+ cur = g_list_next (cur);
+ }
+ if (pclc) {
+ pclc = lua_newuserdata (L, sizeof (struct classifier_config *));
+ lua_setclass (L, "rspamd{classifier}", -1);
+ *pclc = clc;
+ return 1;
+ }
+ }
+
+ lua_pushnil (L);
+ return 1;
+
+}
+
struct lua_callback_data {
const char *name;
lua_State *L;
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