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/*
* configuration.c - functions parsing the configuration file
*
* Copyright (C) 1998-1999 Hugo Haas
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <stdlib.h>
#include "configuration.h"
#include "filter.h"
#include "netutils.h"
#include "defines.h"
#include "log.h"
int yyparse(void);
/*
* open_configuration
*
* Open the configuration file
*/
FILE *open_configuration(char *name) {
FILE *configfile;
extern struct loginfo log;
configfile = fopen(name, "r");
if (configfile == NULL) {
log.log(log.level_or_fd, "Cannot open configuration file %s.\n", name);
exit(1);
}
return configfile;
}
/*
* parse_config_file
* set_default_values
*
* Sets default values and parse the configuration file
*/
void set_default_values() {
extern unsigned int dns_expire;
extern unsigned short log_protocols;
extern unsigned short resolve_protocols;
extern unsigned short icmp_format;
extern unsigned short tcp_format;
extern unsigned short udp_format;
extern unsigned short log_closing;
extern unsigned short use_ident;
extern unsigned int repeats;
extern char *last_message;
dns_expire = DNS_EXPIRE;
log_protocols = NONE;
resolve_protocols = 0; /* Do not resolve by default */
icmp_format = LOGFORMAT_NORMAL;
tcp_format = LOGFORMAT_NORMAL;
udp_format = LOGFORMAT_NORMAL;
log_closing = FALSE;
use_ident = FALSE;
repeats = 0;
last_message = '\0';
}
void parse_config_file(char *filename) {
FILE *configfile;
int fd;
extern int line_number;
extern char *used_user;
#ifdef PARSING_DEBUG
extern int yydebug;
#endif
#ifdef PARSING_DEBUG
yydebug = 1;
#endif
configfile = open_configuration(filename);
line_number = 1;
/* Setting default values */
set_default_values();
if (used_user != NULL)
free(used_user);
used_user = strdup(DEFAULT_USER);
fd = fileno(configfile);
dup2(fd, 0);
yyparse();
}
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