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/* Copyright (C) 2007-2014 Open Information Security Foundation
*
* You can copy, redistribute or modify this Program under the terms of
* the GNU General Public License version 2 as published by the Free
* Software Foundation.
*
* 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
* version 2 along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
/**
* \file
*
* \author Mike Pomraning <mpomraning@qualys.com>
*/
#ifndef __UTIL_LOGOPENFILE_H__
#define __UTIL_LOGOPENFILE_H__
#include "conf.h" /* ConfNode */
#include "tm-modules.h" /* LogFileCtx */
#include "util-buffer.h"
#ifdef HAVE_LIBHIREDIS
#include "hiredis/hiredis.h"
#endif
typedef struct {
uint16_t fileno;
} PcieFile;
enum LogFileType { LOGFILE_TYPE_FILE,
LOGFILE_TYPE_SYSLOG,
LOGFILE_TYPE_UNIX_DGRAM,
LOGFILE_TYPE_UNIX_STREAM,
LOGFILE_TYPE_REDIS };
typedef struct SyslogSetup_ {
int alert_syslog_level;
} SyslogSetup;
#ifdef HAVE_LIBHIREDIS
enum RedisMode { REDIS_LIST, REDIS_CHANNEL };
typedef struct RedisSetup_ {
enum RedisMode mode;
const char *command;
char *key;
int batch_size;
int batch_count;
char *server;
int port;
time_t tried;
} RedisSetup;
#endif
/** Global structure for Output Context */
typedef struct LogFileCtx_ {
union {
FILE *fp;
PcieFile *pcie_fp;
#ifdef HAVE_LIBHIREDIS
redisContext *redis;
#endif
};
union {
SyslogSetup syslog_setup;
#ifdef HAVE_LIBHIREDIS
RedisSetup redis_setup;
#endif
};
int (*Write)(const char *buffer, int buffer_len, struct LogFileCtx_ *fp);
void (*Close)(struct LogFileCtx_ *fp);
/** It will be locked if the log/alert
* record cannot be written to the file in one call */
SCMutex fp_mutex;
/** the type of file */
enum LogFileType type;
/** The name of the file */
char *filename;
/** Suricata sensor name */
char *sensor_name;
/** Handle auto-connecting / reconnecting sockets */
int is_sock;
int sock_type;
uint64_t reconn_timer;
/**< Used by some alert loggers like the unified ones that append
* the date onto the end of files. */
char *prefix;
size_t prefix_len;
/** Generic size_limit and size_current
* They must be common to the threads accesing the same file */
uint64_t size_limit; /**< file size limit */
uint64_t size_current; /**< file current size */
/* Alerts on the module (not on the file) */
uint64_t alerts;
/* flag to avoid multiple threads printing the same stats */
uint8_t flags;
/* Flag if file is a regular file or not. Only regular files
* allow for rotataion. */
uint8_t is_regular;
/* Flag set when file rotation notification is received. */
int rotation_flag;
} LogFileCtx;
/* Min time (msecs) before trying to reconnect a Unix domain socket */
#define LOGFILE_RECONN_MIN_TIME 500
/* flags for LogFileCtx */
#define LOGFILE_HEADER_WRITTEN 0x01
#define LOGFILE_ALERTS_PRINTED 0x02
LogFileCtx *LogFileNewCtx(void);
int LogFileFreeCtx(LogFileCtx *);
int LogFileWrite(LogFileCtx *file_ctx, MemBuffer *buffer);
int SCConfLogOpenGeneric(ConfNode *conf, LogFileCtx *, const char *, int);
int SCConfLogOpenRedis(ConfNode *conf, LogFileCtx *log_ctx);
int SCConfLogReopen(LogFileCtx *);
#endif /* __UTIL_LOGOPENFILE_H__ */
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