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/*-
* Copyright (c) 2004 Free (Olivier Beyssac)
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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 THE AUTHOR AND CONTRIBUTORS ``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 THE AUTHOR OR CONTRIBUTORS 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 <syslog.h>
#include "options.h"
/* Defaults to put in options when initializing */
#define DEFAULT_PORT "2905"
#define DEFAULT_LIST_SIZE (2000)
#define DEFAULT_INTERVAL (30)
#define DEFAULT_MAX_REQ (10)
#define DEFAULT_BLACKLIST_SIZE (1000)
#define DEFAULT_BLACKLIST_EXPIRATION (900)
#define DEFAULT_DUMP_DELAY (60)
#define DEFAULT_LOG_LEVEL (1)
#define DEFAULT_WORKING_DIR VARRUN
#define DEFAULT_WL_FILENAME DEFAULT_WORKING_DIR"/"PROGNAME"_iplist.dump"
#define DEFAULT_BL_FILENAME DEFAULT_WORKING_DIR"/"PROGNAME"_blacklist.dump"
#define DEFAULT_PID_FILENAME VARRUN"/"PROGNAME".pid"
#define DEFAULT_ACL_FILENAME ETC_LOCATION"/"PROGNAME"_acl.conf"
#define DEFAULT_WHITELIST_FILENAME ETC_LOCATION"/"PROGNAME"_whitelist.conf"
#define DEFAULT_LISTENING_IP "127.0.0.1"
#define DEFAULT_DAEMON_MODE (1)
#define DEFAULT_CLIENT_TIMEOUT (60)
#define DEFAULT_UID NULL
#define DEFAULT_GID NULL
#define DEFAULT_CONFIG_FILE ETC_LOCATION"/bld.conf"
#define DEFAULT_NOTIFY_HOST NULL
#define DEFAULT_NOTIFY_TIMEOUT (10)
extern struct options opt;
/* > 0 */
#define GTZERO 0
/* >= 0 */
#define GEZERO 1
/* > 1 */
#define GEONE 2
/* 0 or 1 */
#define ZEROONE 3
static unsigned int checktab[] = { ZEROONE, /* daemon */
GEZERO, /* log_level */
GTZERO, /* interval */
GTZERO, /* max_req */
GTZERO, /* list_size */
GTZERO, /* blacklist_size */
GTZERO, /* blacklist_expiration */
GTZERO /* client_timeout */
};
/* Initialize options/parameters */
extern void options_init(char *progname)
{
opt.port = DEFAULT_PORT;
opt.list_size = DEFAULT_LIST_SIZE;
opt.interval = DEFAULT_INTERVAL;
opt.max_req = DEFAULT_MAX_REQ;
opt.blacklist_size = DEFAULT_BLACKLIST_SIZE;
opt.blacklist_expiration = DEFAULT_BLACKLIST_EXPIRATION;
opt.dump_delay = DEFAULT_DUMP_DELAY;
opt.last_dump = time(NULL);
opt.log_level = DEFAULT_LOG_LEVEL;
opt.wl_filename = DEFAULT_WL_FILENAME;
opt.bl_filename = DEFAULT_BL_FILENAME;
opt.pid_filename = DEFAULT_PID_FILENAME;
opt.daemon = DEFAULT_DAEMON_MODE;
opt.start_time = time(NULL);
opt.progname = progname;
opt.working_dir = DEFAULT_WORKING_DIR;
opt.listening_ip = DEFAULT_LISTENING_IP;
opt.acl_filename = DEFAULT_ACL_FILENAME;
opt.acl_mtime = 0;
opt.acl = netlist_init();
opt.whitelist_filename = DEFAULT_WHITELIST_FILENAME;
opt.whitelist_mtime = 0;
opt.whitelist = netlist_init();
opt.client_timeout = DEFAULT_CLIENT_TIMEOUT;
opt.submissions = 0;
opt.blqueries = 0;
opt.positive_blqueries = 0;
opt.insertqueries = 0;
opt.bad_requests = 0;
opt.denied_requests = 0;
opt.config_file = DEFAULT_CONFIG_FILE;
opt.config_mtime = 0;
opt.notify_hosts = DEFAULT_NOTIFY_HOST;
opt.notify_timeout = DEFAULT_NOTIFY_TIMEOUT;
opt.notifies = 0;
opt.syslog = 0;
}
/* Show runtime options/parameters */
extern void options_log(void)
{
int i;
syslog(LOG_INFO, "starting with following parameters:");
syslog(LOG_INFO, "start time: %lu", (unsigned long)opt.start_time);
syslog(LOG_INFO, "Listening IP:port: %s:%s", opt.listening_ip, opt.port);
syslog(LOG_INFO, "IP list size: %d", opt.list_size);
syslog(LOG_INFO, "Max submissions / time interval : %d / %lu secs",
(int)opt.max_req, (unsigned long)opt.interval);
syslog(LOG_INFO, "Blacklist size: %d", opt.blacklist_size);
syslog(LOG_INFO, "Blacklist expiration: %lu",
(unsigned long)opt.blacklist_expiration);
syslog(LOG_INFO, "Stats dump delay: %lu", (unsigned long)opt.dump_delay);
syslog(LOG_INFO, "Log level: %d", opt.log_level);
syslog(LOG_INFO, "IP list filename: %s", opt.wl_filename);
syslog(LOG_INFO, "Blacklist filename: %s", opt.bl_filename);
syslog(LOG_INFO, "Configuration filename: %s", opt.config_file);
syslog(LOG_INFO, "PID filename = %s", opt.pid_filename);
syslog(LOG_INFO, "Daemon mode: %d", opt.daemon);
syslog(LOG_INFO, "Working dir: %s", opt.working_dir);
syslog(LOG_INFO, "ACL file: %s (mtime: %lu)",
opt.acl_filename, (unsigned long)opt.acl_mtime);
syslog(LOG_INFO, "Whitelist file: %s (mtime: %lu)",
opt.whitelist_filename, (unsigned long)opt.whitelist_mtime);
syslog(LOG_INFO, "Client timeout: %lu secs",
(unsigned long)opt.client_timeout);
syslog(LOG_INFO, "Dump delay: %lu secs", (unsigned long)opt.dump_delay);
syslog(LOG_INFO, "uid / gid : %s / %s",
opt.uid ? opt.uid : "(not specified)",
opt.gid ? opt.gid : "(not specified)");
if (opt.notify_hosts)
for (i = 0; opt.notify_hosts[i]; i += 2)
syslog(LOG_INFO, "Notify host: %s:%s\n",
opt.notify_hosts[i], opt.notify_hosts[i+1]);
}
/* Check an option value and return 1 if correct */
extern int options_check(const int option, const int value)
{
if (checktab[option] == GTZERO && value > 0)
return 1;
if (checktab[option] == GEZERO && value >= 0)
return 1;
if (checktab[option] == GEONE && value >= 1)
return 1;
if (checktab[option] == ZEROONE && (value == 0 || value == 1))
return 1;
return 0;
}
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