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/* $Id: plugin_sample.c 733 2007-01-15 05:47:13Z michael $
* $URL: https://ssl.bulix.org/svn/lcd4linux/branches/0.10.1/plugin_qnaplog.c $
*
* plugin qnaplog
*
* Copyright (C) 2009 Ralf Tralow <qnaplog@ringwelt.de>
*
* This file is part of LCD4Linux.
*
* LCD4Linux 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, or (at your option)
* any later version.
*
* LCD4Linux 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.
*
*/
/* DOC:
* To compile the plugin remember to add -lsqlite3 option into Makefile. I.E: CC = gcc -lsqlite3
* or run:
* $ gcc -I/opt/include -L/opt/lib/sqlite3 plugin_qnaplog.c -lsqlite3 -o plugin_qnaplog.o
*
*
* exported functions:
*
* int plugin_init_qnaplog (void)
* void plugin_exit_qnaplog(void)
* static void my_status(RESULT * result, RESULT *arg1)
* static void my_conn(RESULT *result, RESULT *arg1)
* static void my_event(RESULT *result, RESULT *arg1)
*
*
* adds various functions
*
*/
/* define the include files you need */
#include "config.h"
#include "cfg.h"
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <stdio.h>
#ifdef HAVE_SQLITE3_H
#include <sqlite3.h>
#else
#warning sqlite3.h not found: plugin deactivated
#endif
#include <unistd.h>
#include <sys/stat.h>
#include <time.h>
/* these should always be included */
#include "debug.h"
#include "plugin.h"
#ifdef WITH_DMALLOC
#include <dmalloc.h>
#endif
#ifdef HAVE_SQLITE3_H
#define SQLSTATEMENT_CONN "select * from NASLOG_CONN ORDER BY conn_id DESC LIMIT 1"
#define SQLSTATEMENT_EVENT "select * from NASLOG_EVENT ORDER BY event_id DESC LIMIT 1"
time_t lastaccesstimeConn = 0;
time_t lastaccesstimeEvent = 0;
sqlite3 *connexConn;
sqlite3 *connexEvent;
char dbNameConn[256];
char dbNameEvent[256];
char conn_id[10];
char conn_type[12];
char conn_date[12];
char conn_time[12];
char conn_user[30];
char conn_ip[16];
char conn_comp[30];
char conn_res[255];
char conn_serv[10];
char conn_action[12];
char event_id[10];
char event_comp[30];
char event_date[12];
char event_ip[16];
char event_time[12];
char event_type[12];
char event_user[30];
char event_desc[255];
#define MAX_IDS_TYPE 3
char *IDS_TYPE[MAX_IDS_TYPE] = { "Information", "Warning", "Error" };
#define MAX_IDS_SERV 8
char *IDS_SERV[MAX_IDS_SERV] = { "S0", "Samba", "S2", "HTTP", "S4", "S5", "S6", "SSH" };
#define MAX_IDS_ACTION 16
char *IDS_ACTION[MAX_IDS_ACTION] =
{ "C0", "Delete", "Read", "Write", "C4", "C5", "C6", "C7", "C8", "Login fail", "Login ok", "Logout", "C12", "C13",
"C14", "Add"
};
static char Section[] = "Plugin:QnapLog";
/** test the connection to conn.log
*
*/
static int configureConn(void)
{
static int configured = 0;
char *s;
int rc;
if (configured != 0)
return configured;
s = cfg_get(Section, "databaseConn", "");
if (*s == '\0') {
info("[QnapLog] empty '%s.database' entry in %s, assuming none", Section, cfg_source());
strcpy(dbNameConn, "/etc/logs/conn.log");
} else {
snprintf(dbNameConn, sizeof(dbNameConn), "%s", s);
}
free(s);
rc = sqlite3_open(dbNameConn, &connexConn);
if (rc) {
error("[QnapLog] connection error: %s", sqlite3_errmsg(connexConn));
configured = -1;
sqlite3_close(connexConn);
return configured;
}
configured = 1;
return configured;
}
/** test the connection to event.log
*
*/
static int configureEvent(void)
{
static int configured = 0;
char *s;
int rc;
if (configured != 0)
return configured;
s = cfg_get(Section, "databaseEvent", "");
if (*s == '\0') {
info("[QnapLog] empty '%s.database' entry in %s, assuming none", Section, cfg_source());
strcpy(dbNameEvent, "/etc/logs/event.log");
} else {
snprintf(dbNameEvent, sizeof(dbNameEvent), "%s", s);
}
free(s);
rc = sqlite3_open(dbNameEvent, &connexEvent);
if (rc) {
error("[QnapLog] connection error: %s", sqlite3_errmsg(connexEvent));
configured = -1;
sqlite3_close(connexEvent);
return configured;
}
configured = 1;
return configured;
}
/** callback function for conn request
*
*/
static int callbackConn(void *NotUsed, int argc, char **argv, char **azColName)
{
int i;
int c;
for (i = 0; i < argc; i++) {
if (strcmp(azColName[i], "conn_id") == 0) {
snprintf(conn_id, sizeof(conn_id), "%s", argv[i] ? argv[i] : "NULL");
} else if (strcmp(azColName[i], "conn_type") == 0) {
c = atoi(argv[i]);
if (c < MAX_IDS_TYPE)
snprintf(conn_type, sizeof(conn_type), "%s", IDS_TYPE[c]);
} else if (strcmp(azColName[i], "conn_date") == 0) {
snprintf(conn_date, sizeof(conn_date), "%s", argv[i] ? argv[i]
: "NULL");
} else if (strcmp(azColName[i], "conn_time") == 0) {
snprintf(conn_time, sizeof(conn_time), "%s", argv[i] ? argv[i]
: "NULL");
} else if (strcmp(azColName[i], "conn_user") == 0) {
snprintf(conn_user, sizeof(conn_user), "%s", argv[i] ? argv[i]
: "NULL");
} else if (strcmp(azColName[i], "conn_ip") == 0) {
snprintf(conn_ip, sizeof(conn_ip), "%s", argv[i] ? argv[i] : "NULL");
} else if (strcmp(azColName[i], "conn_comp") == 0) {
snprintf(conn_comp, sizeof(conn_comp), "%s", argv[i] ? argv[i]
: "NULL");
} else if (strcmp(azColName[i], "conn_res") == 0) {
snprintf(conn_res, sizeof(conn_res), "%s", argv[i] ? argv[i]
: "NULL");
} else if (strcmp(azColName[i], "conn_serv") == 0) {
c = atoi(argv[i]);
if (c < MAX_IDS_SERV)
snprintf(conn_serv, sizeof(conn_serv), "%s", IDS_SERV[c]);
} else if (strcmp(azColName[i], "conn_action") == 0) {
c = atoi(argv[i]);
if (c < MAX_IDS_ACTION)
snprintf(conn_action, sizeof(conn_action), "%s", IDS_ACTION[c]);
}
}
return 0;
}
/** callback function for event request
*
*/
static int callbackEvent(void *NotUsed, int argc, char **argv, char **azColName)
{
int i;
int c;
for (i = 0; i < argc; i++) {
if (strcmp(azColName[i], "event_id") == 0) {
snprintf(event_id, sizeof(event_id), "%s", argv[i] ? argv[i] : "NULL");
} else if (strcmp(azColName[i], "event_type") == 0) {
c = *argv[i] & 0x0F;
if (c < MAX_IDS_TYPE)
snprintf(event_type, sizeof(event_type), "%s", IDS_TYPE[c]);
} else if (strcmp(azColName[i], "event_date") == 0) {
snprintf(event_date, sizeof(event_date), "%s", argv[i] ? argv[i]
: "NULL");
} else if (strcmp(azColName[i], "event_time") == 0) {
snprintf(event_time, sizeof(event_time), "%s", argv[i] ? argv[i]
: "NULL");
} else if (strcmp(azColName[i], "event_user") == 0) {
snprintf(event_user, sizeof(event_user), "%s", argv[i] ? argv[i]
: "NULL");
} else if (strcmp(azColName[i], "event_ip") == 0) {
snprintf(event_ip, sizeof(event_ip), "%s", argv[i] ? argv[i] : "NULL");
} else if (strcmp(azColName[i], "event_comp") == 0) {
snprintf(event_comp, sizeof(event_comp), "%s", argv[i] ? argv[i]
: "NULL");
} else if (strcmp(azColName[i], "event_desc") == 0) {
snprintf(event_desc, sizeof(event_desc), "%s", argv[i] ? argv[i]
: "NULL");
}
}
return 0;
}
/** request last of qnap connection
*
*/
static void my_conn(RESULT * result, RESULT * arg1)
{
char *key;
char *value;
char *zErrMsg = 0;
int rc;
struct stat attrib; // create a file attribute structure
time_t accesstime;
value = -1;
key = R2S(arg1);
if (configureConn() >= 0) {
stat(dbNameConn, &attrib); // get the attributes
accesstime = attrib.st_mtime; // Get the last modified time and put it into the time structure
if (accesstime > lastaccesstimeConn) {
lastaccesstimeConn = accesstime;
rc = sqlite3_exec(connexConn, SQLSTATEMENT_CONN, callbackConn, 0, &zErrMsg);
if (rc != SQLITE_OK) {
fprintf(stderr, "SQL error: %s\n", zErrMsg);
sqlite3_free(zErrMsg);
}
}
if (strcasecmp(key, "id") == 0) {
value = conn_id;
} else if (strcasecmp(key, "type") == 0) {
value = conn_type;
} else if (strcasecmp(key, "date") == 0) {
value = conn_date;
} else if (strcasecmp(key, "time") == 0) {
value = conn_time;
} else if (strcasecmp(key, "user") == 0) {
value = conn_user;
} else if (strcasecmp(key, "ip") == 0) {
value = conn_ip;
} else if (strncasecmp(key, "res", 3) == 0) {
value = conn_res;
} else if (strncasecmp(key, "serv", 4) == 0) {
value = conn_serv;
} else if (strncasecmp(key, "act", 3) == 0) {
value = conn_action;
} else if (strncasecmp(key, "comp", 4) == 0) {
value = conn_comp;
}
}
/* store result */
SetResult(&result, R_STRING, value);
}
/** request last qnap event
*
*/
static void my_event(RESULT * result, RESULT * arg1)
{
char *key;
char *value;
char *zErrMsg = 0;
int rc;
struct stat attrib; // create a file attribute structure
time_t accesstime;
value = -1;
key = R2S(arg1);
if (configureEvent() >= 0) {
stat(dbNameEvent, &attrib); // get the attributes
accesstime = attrib.st_mtime; // Get the last modified time and put it into the time structure
if (accesstime > lastaccesstimeEvent) {
lastaccesstimeEvent = accesstime;
rc = sqlite3_exec(connexEvent, SQLSTATEMENT_EVENT, callbackEvent, 0, &zErrMsg);
if (rc != SQLITE_OK) {
fprintf(stderr, "SQL error: %s\n", zErrMsg);
sqlite3_free(zErrMsg);
}
}
if (strcasecmp(key, "id") == 0) {
value = event_id;
} else if (strncasecmp(key, "comp", 4) == 0) {
value = event_comp;
} else if (strcasecmp(key, "date") == 0) {
value = event_date;
} else if (strcasecmp(key, "ip") == 0) {
value = event_ip;
} else if (strcasecmp(key, "time") == 0) {
value = event_time;
} else if (strcasecmp(key, "type") == 0) {
value = event_type;
} else if (strcasecmp(key, "user") == 0) {
value = event_user;
} else if (strncasecmp(key, "desc", 4) == 0) {
value = event_desc;
}
}
/* store result */
SetResult(&result, R_STRING, value);
}
/** status for conn or event connection
*
*/
static void my_status(RESULT * result, RESULT * arg1)
{
const char *value = "";
const char *status = "Ok";
char *key;
key = R2S(arg1);
if (strcmp(key, "conn") == 0) {
if (configureConn() > 0) {
value = status;
}
} else if (strcmp(key, "event") == 0) {
if (configureEvent() > 0) {
value = status;
}
}
SetResult(&result, R_STRING, value);
}
#endif
/* plugin initialization */
int plugin_init_qnaplog(void)
{
#ifdef HAVE_SQLITE3_H
/* register all our cool functions */
/* the second parameter is the number of arguments */
/* -1 stands for variable argument list */
AddFunction("qnaplog::status", 1, my_status);
AddFunction("qnaplog::conn", 1, my_conn);
AddFunction("qnaplog::event", 1, my_event);
#endif
return 0;
}
void plugin_exit_qnaplog(void)
{
#ifdef HAVE_SQLITE3_H
/* free any allocated memory */
/* close filedescriptors */
sqlite3_close(connexConn);
sqlite3_close(connexEvent);
#endif
}
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