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/* SPDX-License-Identifier: GPL-3.0-or-later */
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/*
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* database
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* - configuration and function of DB connection
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*
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* Copyright (C) 2004-2025 Leaflet <leaflet@leafok.com>
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "common.h"
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#include "database.h"
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#include "log.h"
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#include <mysql.h>
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#include <stdio.h>
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#include <string.h>
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// Global declaration for database
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char DB_ca_cert[FILE_PATH_LEN] = "conf/ca_cert.pem";
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char DB_host[DB_host_max_len + 1];
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char DB_username[DB_username_max_len + 1];
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char DB_password[DB_password_max_len + 1];
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char DB_database[DB_database_max_len + 1];
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char DB_timezone[DB_timezone_max_len + 1];
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MYSQL *db_open()
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{
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MYSQL *db = NULL;
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#ifdef HAVE_MARIADB_CLIENT
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my_bool disabled = 0;
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#else
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unsigned int ssl_mode = SSL_MODE_VERIFY_CA;
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#endif
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char sql[SQL_BUFFER_LEN];
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db = mysql_init(NULL);
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if (db == NULL)
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{
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log_error("mysql_init() failed\n");
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return NULL;
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}
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if (mysql_ssl_set(db, NULL, NULL, DB_ca_cert, NULL, NULL) != 0)
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{
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log_error("mysql_ssl_set() error\n");
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return NULL;
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}
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#ifdef HAVE_MARIADB_CLIENT
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if (mysql_optionsv(db, MYSQL_OPT_SSL_VERIFY_SERVER_CERT, &disabled) != 0)
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{
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log_error("mysql_optionsv() error\n");
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return NULL;
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}
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#else
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if (mysql_options(db, MYSQL_OPT_SSL_MODE, &ssl_mode) != 0)
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{
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log_error("mysql_options() error\n");
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return NULL;
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}
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#endif
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if (mysql_real_connect(db, DB_host, DB_username, DB_password, DB_database,
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0, NULL, 0) == NULL)
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{
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log_error("mysql_real_connect() error: %s\n", mysql_error(db));
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mysql_close(db);
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return NULL;
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}
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if (mysql_set_character_set(db, "utf8") != 0)
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{
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log_error("Set character set error: %s\n", mysql_error(db));
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mysql_close(db);
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return NULL;
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}
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snprintf(sql, sizeof(sql),
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"SET time_zone = '%s'",
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DB_timezone);
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if (mysql_query(db, sql) != 0)
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{
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log_error("Set timezone error: %s\n", mysql_error(db));
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mysql_close(db);
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return NULL;
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}
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return db;
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}
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