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--- contrib/mod_mysql.c.old Sun Feb 11 19:47:54 2001
+++ contrib/mod_mysql.c Sun Feb 11 19:45:37 2001
@@ -0,0 +1,250 @@
+/*
+ * ProFTPD: mod_mysql -- Support for connecting to MySQL databases.
+ * Time-stamp: <1999-10-04 03:21:21 root>
+ * Copyright (c) 1998-1999 Johnie Ingram.
+ *
+ * This program 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 2 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#define MOD_MYSQL_VERSION "mod_mysql/2.0"
+
+/* -- DO NOT MODIFY THE LINE BELOW UNLESS YOU FEEL LIKE IT --
+ * $Libraries: -lm -lmysqlclient $
+ */
+
+/* This is mod_mysql, contrib software for proftpd 1.2.0pre3 and above.
+ For more information contact Johnie Ingram <johnie@netgod.net>.
+
+ History Log:
+
+ * 1999-09-19: v2.0: Most directives split into mod_sql; invented API.
+
+*/
+
+#include "conf.h"
+#include <mysql.h>
+
+/* *INDENT-OFF* */
+
+static MYSQL mod_mysql_server;
+static MYSQL *mysqldb = 0;
+
+/* Maximum username field to expect, etc. */
+#define ARBITRARY_MAX 128
+
+static struct
+{
+ char *sql_host; /* Data for connecting, set by MySQLInfo. */
+ char *sql_user;
+ char *sql_pass;
+ char *sql_dbname;
+
+ int ok;
+ int opens;
+} g;
+
+/* *INDENT-ON* */
+
+/* **************************************************************** */
+
+MODRET
+sql_cmd_close (cmd_rec * cmd)
+{
+ log_debug (DEBUG5, "mysql: close [%i] for %s", g.opens, cmd->argv[0]);
+
+ if (!g.ok || g.opens--)
+ return DECLINED (cmd);
+
+ if (mysqldb)
+ {
+ log_debug (DEBUG4, "mysql: disconnecting: %s", mysql_stat (mysqldb));
+ mysql_close (mysqldb);
+ }
+ mysqldb = NULL;
+ return DECLINED (cmd);
+}
+
+MODRET
+sql_cmd_open (cmd_rec * cmd)
+{
+ if (!g.ok)
+ return DECLINED (cmd);
+
+ g.opens++;
+ log_debug (DEBUG5, "mysql: open [%i] for %s", g.opens, cmd->argv[0]);
+ if (g.opens > 1)
+ return HANDLED (cmd);
+
+ if (!(mysqldb = mysql_connect (&mod_mysql_server, g.sql_host,
+ g.sql_user, g.sql_pass)))
+ {
+ log_pri (LOG_ERR, "mysql: client %s connect FAILED to %s@%s",
+ mysql_get_client_info (), g.sql_user, g.sql_host);
+ g.ok = FALSE;
+ g.opens = 0;
+ return DECLINED (cmd);
+ }
+ log_debug (DEBUG5, "mysql: connect OK %s -> %s (%s@%s)",
+ mysql_get_client_info (), mysql_get_server_info (mysqldb),
+ g.sql_user, g.sql_host);
+
+ return HANDLED (cmd);
+}
+
+MODRET
+_do_query (cmd_rec * cmd, const char *query, int update)
+{
+ int error = 1;
+
+ if (!g.ok)
+ return DECLINED (cmd);
+
+ block_signals ();
+
+ /* This forces a quick ping of the remote server, so we know if its there. */
+ if (mysqldb)
+ mysql_select_db (mysqldb, g.sql_dbname);
+
+ if (!mysqldb
+ || ((error = mysql_query (mysqldb, query))
+ && !strcasecmp (mysql_error (mysqldb), "mysql server has gone")))
+ {
+ /* We need to restart the server link. */
+ if (mysqldb)
+ log_pri (LOG_ERR, "mysql: server has wandered off (%s/%s)",
+ g.sql_host, g.sql_dbname);
+ sql_cmd_open (cmd);
+ if (!mysqldb)
+ return DECLINED (cmd);
+ error = mysql_select_db (mysqldb, g.sql_dbname)
+ || mysql_query (mysqldb, query);
+ }
+
+ unblock_signals ();
+
+ if (error)
+ {
+ log_debug (DEBUG4, "mysql: %s failed: \"%s\": %s",
+ (update) ? "update" : "select",
+ query, mysql_error (mysqldb));
+ return DECLINED (cmd);
+ }
+
+ log_debug (DEBUG5, "mysql: %s OK: [%s] \"%s\"",
+ (update) ? "update" : "select", g.sql_dbname, query);
+ return HANDLED (cmd);
+}
+
+MODRET
+sql_cmd_update (cmd_rec * cmd)
+{
+ return _do_query (cmd, cmd->argv[1], TRUE);
+}
+
+MODRET
+sql_cmd_select (cmd_rec * cmd)
+{
+ MODRET mr;
+ MYSQL_RES *result;
+ MYSQL_ROW sql_row;
+ int i, j;
+
+ mr = _do_query (cmd, cmd->argv[1], FALSE);
+ if (!MODRET_ISHANDLED (mr))
+ return DECLINED (mr);
+
+ if ((result = mysql_store_result (mysqldb)))
+ {
+ int rcount = mysql_num_rows (result);
+ int fcount = mysql_num_fields (result);
+ int count = rcount * fcount;
+
+ char **data = pcalloc (cmd->tmp_pool, sizeof (char *) * (count + 1));
+ for (i = 0, count = 0; i < rcount; i++)
+ {
+ sql_row = mysql_fetch_row (result);
+ for (j = 0; j < fcount; j++)
+ data[count++] = pstrdup (cmd->tmp_pool, sql_row[j]);
+ }
+ mysql_free_result (result);
+ data[count] = NULL;
+ mr->data = data;
+ }
+ return mr;
+}
+
+static authtable mysql_authtab[] = {
+ {0, "dbd_open", sql_cmd_open},
+ {0, "dbd_close", sql_cmd_close},
+ {0, "dbd_update", sql_cmd_update},
+ {0, "dbd_select", sql_cmd_select},
+
+ {0, NULL, NULL}
+};
+
+/* **************************************************************** */
+
+MODRET set_sqlinfo (cmd_rec * cmd)
+{
+ CHECK_ARGS (cmd, 4);
+ CHECK_CONF (cmd, CONF_ROOT | CONF_GLOBAL | CONF_VIRTUAL);
+ add_config_param_str ("MySQLInfo", 4,
+ (void *) cmd->argv[1], (void *) cmd->argv[2],
+ (void *) cmd->argv[3], (void *) cmd->argv[4]);
+ return HANDLED (cmd);
+}
+
+static conftable mysql_conftab[] = {
+/* *INDENT-OFF* */
+
+ { "MySQLInfo", set_sqlinfo, NULL },
+
+ { 0, NULL }
+
+/* *INDENT-ON* */
+};
+
+/* **************************************************************** */
+
+static int
+mysql_modinit ()
+{
+ config_rec *c;
+
+ memset (&g, 0, sizeof (g));
+ if (!(c = find_config (CURRENT_CONF, CONF_PARAM, "MySQLInfo", FALSE)))
+ return 0;
+
+ g.sql_host = pstrdup (session.pool, c->argv[0]);
+ g.sql_user = pstrdup (session.pool, c->argv[1]);
+ g.sql_pass = pstrdup (session.pool, c->argv[2]);
+ g.sql_dbname = pstrdup (session.pool, c->argv[3]);
+ g.ok = TRUE;
+
+ log_debug (DEBUG5, "%s: configured: db %s at %s@%s",
+ MOD_MYSQL_VERSION, g.sql_dbname, g.sql_user, g.sql_host);
+ return 0;
+}
+
+module mysql_module = {
+ NULL, NULL, /* Always NULL */
+ 0x20, /* API Version 2.0 */
+ "mysql",
+ mysql_conftab, /* SQL configuration handler table */
+ NULL, /* SQL command handler table */
+ mysql_authtab, /* SQL authentication handler table */
+ mysql_modinit, /* Pre-fork "parent-mode" init */
+ mysql_modinit /* Post-fork "child mode" init */
+};
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