/*- * 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 "config.h" #include "rspamd.h" #include "libmime/message.h" #include "lua/lua_common.h" #include "unix-std.h" #include "cfg_file_private.h" static const gchar rspamd_history_magic_old[] = {'r', 's', 'h', '1'}; /** * Returns new roll history * @param pool pool for shared memory * @return new structure */ struct roll_history * rspamd_roll_history_new(rspamd_mempool_t *pool, guint max_rows, struct rspamd_config *cfg) { struct roll_history *history; lua_State *L = cfg->lua_state; if (pool == NULL || max_rows == 0) { return NULL; } history = rspamd_mempool_alloc0_shared(pool, sizeof(struct roll_history)); /* * Here, we check if there is any plugin that handles history, * in this case, we disable this code completely */ lua_getglobal(L, "rspamd_plugins"); if (lua_istable(L, -1)) { lua_pushstring(L, "history"); lua_gettable(L, -2); if (lua_istable(L, -1)) { history->disabled = TRUE; } lua_pop(L, 1); } lua_pop(L, 1); if (!history->disabled) { history->rows = rspamd_mempool_alloc0_shared(pool, sizeof(struct roll_history_row) * max_rows); history->nrows = max_rows; } return history; } struct history_metric_callback_data { gchar *pos; gint remain; }; static void roll_history_symbols_callback(gpointer key, gpointer value, void *user_data) { struct history_metric_callback_data *cb = user_data; struct rspamd_symbol_result *s = value; guint wr; if (s->flags & RSPAMD_SYMBOL_RESULT_IGNORED) { return; } if (cb->remain > 0) { wr = rspamd_snprintf(cb->pos, cb->remain, "%s, ", s->name); cb->pos += wr; cb->remain -= wr; } } /** * Update roll history with data from task * @param history roll history object * @param task task object */ void rspamd_roll_history_update(struct roll_history *history, struct rspamd_task *task) { guint row_num; struct roll_history_row *row; struct rspamd_scan_result *metric_res; struct history_metric_callback_data cbdata; struct rspamd_action *action; if (history->disabled) { return; } /* First of all obtain check and obtain row number */ g_atomic_int_compare_and_exchange(&history->cur_row, history->nrows, 0); #if ((GLIB_MAJOR_VERSION == 2) && (GLIB_MINOR_VERSION > 30)) row_num = g_atomic_int_add(&history->cur_row, 1); #else row_num = g_atomic_int_exchange_and_add(&history->cur_row, 1); #endif if (row_num < history->nrows) { row = &history->rows[row_num]; g_atomic_int_set(&row->completed, FALSE); } else { /* Race condition */ history->cur_row = 0; return; } /* Add information from task to roll history */ if (task->from_addr) { rspamd_strlcpy(row->from_addr, rspamd_inet_address_to_string(task->from_addr), sizeof(row->from_addr)); } else { rspamd_strlcpy(row->from_addr, "unknown", sizeof(row->from_addr)); } row->timestamp = task->task_timestamp; /* Strings */ if (task->message) { rspamd_strlcpy(row->message_id, MESSAGE_FIELD(task, message_id), sizeof(row->message_id)); } if (task->auth_user) { rspamd_strlcpy(row->user, task->auth_user, sizeof(row->user)); } else { row->user[0] = '\0'; } /* Get default metric */ metric_res = task->result; if (metric_res == NULL) { row->symbols[0] = '\0'; row->action = METRIC_ACTION_NOACTION; } else { row->score = metric_res->score; action = rspamd_check_action_metric(task, NULL, NULL); row->action = action->action_type; row->required_score = rspamd_task_get_required_score(task, metric_res); cbdata.pos = row->symbols; cbdata.remain = sizeof(row->symbols); rspamd_task_symbol_result_foreach(task, NULL, roll_history_symbols_callback, &cbdata); if (cbdata.remain > 0) { /* Remove last whitespace and comma */ *cbdata.pos-- = '\0'; *cbdata.pos-- = '\0'; *cbdata.pos = '\0'; } } row->scan_time = task->time_real_finish - task->task_timestamp; row->len = task->msg.len; g_atomic_int_set(&row->completed, TRUE); } /** * Load previously saved history from file * @param history roll history object * @param filename filename to load from * @return TRUE if history has been loaded */ gboolean rspamd_roll_history_load(struct roll_history *history, const gchar *filename) { gint fd; struct stat st; gchar magic[sizeof(rspamd_history_magic_old)]; ucl_object_t *top; const ucl_object_t *cur, *elt; struct ucl_parser *parser; struct roll_history_row *row; guint n, i; g_assert(history != NULL); if (history->disabled) { return TRUE; } if (stat(filename, &st) == -1) { msg_info("cannot load history from %s: %s", filename, strerror(errno)); return FALSE; } if ((fd = open(filename, O_RDONLY)) == -1) { msg_info("cannot load history from %s: %s", filename, strerror(errno)); return FALSE; } /* Check for old format */ if (read(fd, magic, sizeof(magic)) == -1) { close(fd); msg_info("cannot read history from %s: %s", filename, strerror(errno)); return FALSE; } if (memcmp(magic, rspamd_history_magic_old, sizeof(magic)) == 0) { close(fd); msg_warn("cannot read history from old format %s, " "it will be replaced after restart", filename); return FALSE; } parser = ucl_parser_new(0); if (!ucl_parser_add_fd(parser, fd)) { msg_warn("cannot parse history file %s: %s", filename, ucl_parser_get_error(parser)); ucl_parser_free(parser); close(fd); return FALSE; } top = ucl_parser_get_object(parser); ucl_parser_free(parser); close(fd); if (top == NULL) { msg_warn("cannot parse history file %s: no object", filename); return FALSE; } if (ucl_object_type(top) != UCL_ARRAY) { msg_warn("invalid object type read from: %s", filename); ucl_object_unref(top); return FALSE; } if (top->len > history->nrows) { msg_warn("stored history is larger than the current one: %ud (file) vs " "%ud (history)", top->len, history->nrows); n = history->nrows; } else if (top->len < history->nrows) { msg_warn( "stored history is smaller than the current one: %ud (file) vs " "%ud (history)", top->len, history->nrows); n = top->len; } else { n = top->len; } for (i = 0; i < n; i++) { cur = ucl_array_find_index(top, i); if (cur != NULL && ucl_object_type(cur) == UCL_OBJECT) { row = &history->rows[i]; memset(row, 0, sizeof(*row)); elt = ucl_object_lookup(cur, "time"); if (elt && ucl_object_type(elt) == UCL_FLOAT) { row->timestamp = ucl_object_todouble(elt); } elt = ucl_object_lookup(cur, "id"); if (elt && ucl_object_type(elt) == UCL_STRING) { rspamd_strlcpy(row->message_id, ucl_object_tostring(elt), sizeof(row->message_id)); } elt = ucl_object_lookup(cur, "symbols"); if (elt && ucl_object_type(elt) == UCL_STRING) { rspamd_strlcpy(row->symbols, ucl_object_tostring(elt), sizeof(row->symbols)); } elt = ucl_object_lookup(cur, "user"); if (elt && ucl_object_type(elt) == UCL_STRING) { rspamd_strlcpy(row->user, ucl_object_tostring(elt), sizeof(row->user)); } elt = ucl_object_lookup(cur, "from"); if (elt && ucl_object_type(elt) == UCL_STRING) { rspamd_strlcpy(row->from_addr, ucl_object_tostring(elt), sizeof(row->from_addr)); } elt = ucl_object_lookup(cur, "len"); if (elt && ucl_object_type(elt) == UCL_INT) { row->len = ucl_object_toint(elt); } elt = ucl_object_lookup(cur, "scan_time"); if (elt && ucl_object_type(elt) == UCL_FLOAT) { row->scan_time = ucl_object_todouble(elt); } elt = ucl_object_lookup(cur, "score"); if (elt && ucl_object_type(elt) == UCL_FLOAT) { row->score = ucl_object_todouble(elt); } elt = ucl_object_lookup(cur, "required_score"); if (elt && ucl_object_type(elt) == UCL_FLOAT) { row->required_score = ucl_object_todouble(elt); } elt = ucl_object_lookup(cur, "action"); if (elt && ucl_object_type(elt) == UCL_INT) { row->action = ucl_object_toint(elt); } row->completed = TRUE; } } ucl_object_unref(top); history->cur_row = n; return TRUE; } /** * Save history to file * @param history roll history object * @param filename filename to load from * @return TRUE if history has been saved */ gboolean rspamd_roll_history_save(struct roll_history *history, const gchar *filename) { gint fd; FILE *fp; ucl_object_t *obj, *elt; guint i; struct roll_history_row *row; struct ucl_emitter_functions *emitter_func; g_assert(history != NULL); if (history->disabled) { return TRUE; } if ((fd = open(filename, O_WRONLY | O_CREAT | O_TRUNC, 00600)) == -1) { msg_info("cannot save history to %s: %s", filename, strerror(errno)); return FALSE; } fp = fdopen(fd, "w"); obj = ucl_object_typed_new(UCL_ARRAY); for (i = 0; i < history->nrows; i++) { row = &history->rows[i]; if (!row->completed) { continue; } elt = ucl_object_typed_new(UCL_OBJECT); ucl_object_insert_key(elt, ucl_object_fromdouble(row->timestamp), "time", 0, false); ucl_object_insert_key(elt, ucl_object_fromstring(row->message_id), "id", 0, false); ucl_object_insert_key(elt, ucl_object_fromstring(row->symbols), "symbols", 0, false); ucl_object_insert_key(elt, ucl_object_fromstring(row->user), "user", 0, false); ucl_object_insert_key(elt, ucl_object_fromstring(row->from_addr), "from", 0, false); ucl_object_insert_key(elt, ucl_object_fromint(row->len), "len", 0, false); ucl_object_insert_key(elt, ucl_object_fromdouble(row->scan_time), "scan_time", 0, false); ucl_object_insert_key(elt, ucl_object_fromdouble(row->score), "score", 0, false); ucl_object_insert_key(elt, ucl_object_fromdouble(row->required_score), "required_score", 0, false); ucl_object_insert_key(elt, ucl_object_fromint(row->action), "action", 0, false); ucl_array_append(obj, elt); } emitter_func = ucl_object_emit_file_funcs(fp); ucl_object_emit_full(obj, UCL_EMIT_JSON_COMPACT, emitter_func, NULL); ucl_object_emit_funcs_free(emitter_func); ucl_object_unref(obj); fclose(fp); return TRUE; } ion value='artonge/local/IONOS/feat/config_unified_search_providers_allowed'>artonge/local/IONOS/feat/config_unified_search_providers_allowed Nextcloud server, a safe home for all your data: https://github.com/nextcloud/serverwww-data
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