summaryrefslogtreecommitdiff
path: root/src/login/loginlog.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/login/loginlog.c')
-rw-r--r--src/login/loginlog.c225
1 files changed, 225 insertions, 0 deletions
diff --git a/src/login/loginlog.c b/src/login/loginlog.c
new file mode 100644
index 000000000..7dff14990
--- /dev/null
+++ b/src/login/loginlog.c
@@ -0,0 +1,225 @@
+/**
+ * This file is part of Hercules.
+ * http://herc.ws - http://github.com/HerculesWS/Hercules
+ *
+ * Copyright (C) 2012-2016 Hercules Dev Team
+ * Copyright (C) Athena Dev Teams
+ *
+ * Hercules is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+#define HERCULES_CORE
+
+#include "loginlog.h"
+
+#include "common/cbasetypes.h"
+#include "common/conf.h"
+#include "common/mmo.h"
+#include "common/nullpo.h"
+#include "common/showmsg.h"
+#include "common/socket.h"
+#include "common/sql.h"
+#include "common/strlib.h"
+
+#include <stdlib.h> // exit
+
+// Sql settings
+static char log_db_hostname[32] = "127.0.0.1";
+static uint16 log_db_port = 3306;
+static char log_db_username[32] = "ragnarok";
+static char log_db_password[100] = "ragnarok";
+static char log_db_database[32] = "ragnarok";
+static char log_codepage[32] = "";
+static char log_login_db[256] = "loginlog";
+
+static struct Sql *sql_handle = NULL;
+static bool enabled = false;
+
+
+// Returns the number of failed login attempts by the ip in the last minutes.
+unsigned long loginlog_failedattempts(uint32 ip, unsigned int minutes)
+{
+ unsigned long failures = 0;
+
+ if( !enabled )
+ return 0;
+
+ if( SQL_ERROR == SQL->Query(sql_handle, "SELECT count(*) FROM `%s` WHERE `ip` = '%s' AND `rcode` = '1' AND `time` > NOW() - INTERVAL %u MINUTE",
+ log_login_db, sockt->ip2str(ip,NULL), minutes) )// how many times failed account? in one ip.
+ Sql_ShowDebug(sql_handle);
+
+ if( SQL_SUCCESS == SQL->NextRow(sql_handle) )
+ {
+ char* data;
+ SQL->GetData(sql_handle, 0, &data, NULL);
+ failures = strtoul(data, NULL, 10);
+ SQL->FreeResult(sql_handle);
+ }
+ return failures;
+}
+
+
+/*=============================================
+ * Records an event in the login log
+ *---------------------------------------------*/
+// TODO: add an enum of rcode values
+void login_log(uint32 ip, const char* username, int rcode, const char* message)
+{
+ char esc_username[NAME_LENGTH*2+1];
+ char esc_message[255*2+1];
+ int retcode;
+
+ nullpo_retv(username);
+ nullpo_retv(message);
+ if( !enabled )
+ return;
+
+ SQL->EscapeStringLen(sql_handle, esc_username, username, strnlen(username, NAME_LENGTH));
+ SQL->EscapeStringLen(sql_handle, esc_message, message, strnlen(message, 255));
+
+ retcode = SQL->Query(sql_handle,
+ "INSERT INTO `%s`(`time`,`ip`,`user`,`rcode`,`log`) VALUES (NOW(), '%s', '%s', '%d', '%s')",
+ log_login_db, sockt->ip2str(ip,NULL), esc_username, rcode, esc_message);
+
+ if( retcode != SQL_SUCCESS )
+ Sql_ShowDebug(sql_handle);
+}
+
+bool loginlog_init(void)
+{
+ sql_handle = SQL->Malloc();
+
+ if (SQL_ERROR == SQL->Connect(sql_handle, log_db_username, log_db_password,
+ log_db_hostname, log_db_port, log_db_database)) {
+ Sql_ShowDebug(sql_handle);
+ SQL->Free(sql_handle);
+ exit(EXIT_FAILURE);
+ }
+
+ if (log_codepage[0] != '\0' && SQL_ERROR == SQL->SetEncoding(sql_handle, log_codepage))
+ Sql_ShowDebug(sql_handle);
+
+ enabled = true;
+
+ return true;
+}
+
+bool loginlog_final(void)
+{
+ SQL->Free(sql_handle);
+ sql_handle = NULL;
+ return true;
+}
+
+/**
+ * Reads 'inter_configuration/database_names' and initializes required
+ * variables/Sets global configuration.
+ *
+ * @param filename Path to configuration file (used in error and warning messages).
+ * @param config The current config being parsed.
+ * @param imported Whether the current config is imported from another file.
+ *
+ * @retval false in case of error.
+ */
+bool loginlog_config_read_names(const char *filename, struct config_t *config, bool imported)
+{
+ struct config_setting_t *setting = NULL;
+
+ nullpo_retr(false, filename);
+ nullpo_retr(false, config);
+
+ if ((setting = libconfig->lookup(config, "inter_configuration/database_names")) == NULL) {
+ if (imported)
+ return true;
+ ShowError("loginlog_config_read: inter_configuration/database_names was not found in %s!\n", filename);
+ return false;
+ }
+
+ libconfig->setting_lookup_mutable_string(setting, "login_db", log_login_db, sizeof(log_login_db));
+
+ return true;
+}
+
+/**
+ * Reads 'inter_configuration.log' and initializes required variables/Sets
+ * global configuration.
+ *
+ * @param filename Path to configuration file (used in error and warning messages).
+ * @param config The current config being parsed.
+ * @param imported Whether the current config is imported from another file.
+ *
+ * @retval false in case of error.
+ */
+bool loginlog_config_read_log(const char *filename, struct config_t *config, bool imported)
+{
+ struct config_setting_t *setting = NULL;
+
+ nullpo_retr(false, filename);
+ nullpo_retr(false, config);
+
+ if ((setting = libconfig->lookup(config, "inter_configuration/log/sql_connection")) == NULL) {
+ if (imported)
+ return true;
+ ShowError("loginlog_config_read: inter_configuration/log/sql_connection was not found in %s!\n", filename);
+ return false;
+ }
+
+ libconfig->setting_lookup_mutable_string(setting, "db_hostname", log_db_hostname, sizeof(log_db_hostname));
+ libconfig->setting_lookup_mutable_string(setting, "db_database", log_db_database, sizeof(log_db_database));
+ libconfig->setting_lookup_mutable_string(setting, "db_username", log_db_username, sizeof(log_db_username));
+ libconfig->setting_lookup_mutable_string(setting, "db_password", log_db_password, sizeof(log_db_password));
+
+ libconfig->setting_lookup_uint16(setting, "db_port", &log_db_port);
+ libconfig->setting_lookup_mutable_string(setting, "codepage", log_codepage, sizeof(log_codepage));
+
+ return true;
+}
+
+/**
+ * Reads 'inter_configuration' and initializes required variables/Sets global
+ * configuration.
+ *
+ * @param filename Path to configuration file.
+ * @param config The current config being parsed.
+ * @param imported Whether the current config is imported from another file.
+ *
+ * @retval false in case of error.
+ **/
+bool loginlog_config_read(const char *filename, bool imported)
+{
+ struct config_t config;
+ const char *import = NULL;
+ bool retval = true;
+
+ nullpo_retr(false, filename);
+
+ if (!libconfig->load_file(&config, filename))
+ return false; // Error message is already shown by libconfig->load_file
+
+ if (!loginlog_config_read_names(filename, &config, imported))
+ retval = false;
+ if (!loginlog_config_read_log(filename, &config, imported))
+ retval = false;
+
+ if (libconfig->lookup_string(&config, "import", &import) == CONFIG_TRUE) {
+ if (strcmp(import, filename) == 0 || strcmp(import, "conf/common/inter-server.conf") == 0) {
+ ShowWarning("inter_config_read: Loop detected! Skipping 'import'...\n");
+ } else {
+ if (!loginlog_config_read(import, true))
+ retval = false;
+ }
+ }
+
+ libconfig->destroy(&config);
+ return retval;
+}
generated by cgit v1.2.3-60-g2f50 (git 2.42.0) at 2024-08-06 22:03:13 +0000