You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
329 lines
7.3 KiB
329 lines
7.3 KiB
/*
|
|
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.
|
|
|
|
xrdp: A Remote Desktop Protocol server.
|
|
Copyright (C) Jay Sorg 2005-2006
|
|
*/
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
#include <fcntl.h>
|
|
#include <syslog.h>
|
|
#include <stdarg.h>
|
|
#include <stdio.h>
|
|
#include <time.h>
|
|
|
|
#include "os_calls.h"
|
|
|
|
#include "log.h"
|
|
|
|
/* this gets created in log_start and freed in log_end */
|
|
static struct log_config* l_cfg;
|
|
|
|
/* threading additions */
|
|
#ifdef LOG_ENABLE_THREAD
|
|
#include "pthread.h"
|
|
/* these get initalized in log_start, they don't need
|
|
to get freed */
|
|
static pthread_mutex_t log_lock;
|
|
static pthread_mutexattr_t log_lock_attr;
|
|
#endif
|
|
|
|
/**
|
|
*
|
|
* @brief Opens log file
|
|
* @param fname log file name
|
|
* @return see open(2) return values
|
|
*
|
|
*/
|
|
static int DEFAULT_CC
|
|
log_file_open(const char* fname)
|
|
{
|
|
return open(fname, O_WRONLY | O_CREAT | O_APPEND | O_SYNC, S_IRUSR |
|
|
S_IWUSR);
|
|
}
|
|
|
|
/**
|
|
*
|
|
* @brief Converts xrdp log level to syslog logging level
|
|
* @param xrdp logging level
|
|
* @return syslog equivalent logging level
|
|
*
|
|
*/
|
|
static int DEFAULT_CC
|
|
log_xrdp2syslog(const int lvl)
|
|
{
|
|
switch (lvl)
|
|
{
|
|
case LOG_LEVEL_ALWAYS:
|
|
return LOG_CRIT;
|
|
case LOG_LEVEL_ERROR:
|
|
return LOG_ERR;
|
|
case LOG_LEVEL_WARNING:
|
|
return LOG_WARNING;
|
|
case LOG_LEVEL_INFO:
|
|
return LOG_INFO;
|
|
/* case LOG_LEVEL_DEBUG: */
|
|
default:
|
|
return LOG_DEBUG;
|
|
}
|
|
}
|
|
|
|
/**
|
|
*ring
|
|
* @brief Converts xrdp log level to syslog logging level
|
|
* @param lvl logging level
|
|
* @param str pointer to a st
|
|
* @return syslog equivalent logging level
|
|
*
|
|
*/
|
|
void DEFAULT_CC
|
|
log_lvl2str(int lvl, char* str)
|
|
{
|
|
switch (lvl)
|
|
{
|
|
case LOG_LEVEL_ALWAYS:
|
|
snprintf(str, 9, "%s", "[CORE ] ");
|
|
break;
|
|
case LOG_LEVEL_ERROR:
|
|
snprintf(str, 9, "%s", "[ERROR] ");
|
|
break;
|
|
case LOG_LEVEL_WARNING:
|
|
snprintf(str, 9, "%s", "[WARN ] ");
|
|
break;
|
|
case LOG_LEVEL_INFO:
|
|
snprintf(str, 9, "%s", "[INFO ] ");
|
|
break;
|
|
/* case LOG_LEVEL_DEBUG: */
|
|
default:
|
|
snprintf(str, 9, "%s", "[DEBUG] ");
|
|
break;
|
|
}
|
|
}
|
|
|
|
/******************************************************************************/
|
|
int DEFAULT_CC
|
|
log_message(const unsigned int lvl, const char* msg, ...)
|
|
{
|
|
char buff[LOG_BUFFER_SIZE + 31]; /* 19 (datetime) 4 (space+cr+lf+\0) */
|
|
va_list ap;
|
|
int len = 0;
|
|
time_t now_t;
|
|
struct tm* now;
|
|
|
|
if (0 == l_cfg)
|
|
{
|
|
return LOG_ERROR_NO_CFG;
|
|
}
|
|
|
|
if (0 > l_cfg->fd)
|
|
{
|
|
return LOG_ERROR_FILE_NOT_OPEN;
|
|
}
|
|
|
|
now_t = time(&now_t);
|
|
now = localtime(&now_t);
|
|
|
|
snprintf(buff, 21, "[%.4d%.2d%.2d-%.2d:%.2d:%.2d] ", (now->tm_year) + 1900,
|
|
(now->tm_mon) + 1, now->tm_mday, now->tm_hour, now->tm_min,
|
|
now->tm_sec);
|
|
|
|
log_lvl2str(lvl, buff + 20);
|
|
|
|
va_start(ap, msg);
|
|
len = vsnprintf(buff + 28, LOG_BUFFER_SIZE, msg, ap);
|
|
va_end(ap);
|
|
|
|
/* checking for truncated messages */
|
|
if (len > LOG_BUFFER_SIZE)
|
|
{
|
|
log_message(LOG_LEVEL_WARNING, "next message will be truncated");
|
|
}
|
|
|
|
/* forcing the end of message string */
|
|
#ifdef _WIN32
|
|
buff[len + 28] = '\r';
|
|
buff[len + 29] = '\n';
|
|
buff[len + 30] = '\0';
|
|
#else
|
|
#ifdef _MACOS
|
|
buff[len + 28] = '\r';
|
|
buff[len + 29] = '\0';
|
|
#else
|
|
buff[len + 28] = '\n';
|
|
buff[len + 29] = '\0';
|
|
#endif
|
|
#endif
|
|
|
|
if (l_cfg->enable_syslog && (lvl <= l_cfg->log_level))
|
|
{
|
|
/* log to syslog */
|
|
syslog(log_xrdp2syslog(lvl), buff + 20);
|
|
}
|
|
|
|
if (lvl <= l_cfg->log_level)
|
|
{
|
|
/* log to console */
|
|
g_printf((char*)buff);
|
|
|
|
/* log to application logfile */
|
|
#ifdef LOG_ENABLE_THREAD
|
|
pthread_mutex_lock(&log_lock);
|
|
#endif
|
|
return g_file_write(l_cfg->fd, (char*)buff, g_strlen((char*)buff));
|
|
#ifdef LOG_ENABLE_THREAD
|
|
pthread_mutex_unlock(&log_lock);
|
|
#endif
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/******************************************************************************/
|
|
int DEFAULT_CC
|
|
log_start(const char* progname, const char* logfile, const unsigned int loglvl,
|
|
const int syslog, const unsigned int syslvl)
|
|
{
|
|
/* setup log struct */
|
|
l_cfg = (struct log_config*)g_malloc(sizeof(struct log_config), 1);
|
|
|
|
if (0 == l_cfg)
|
|
{
|
|
return LOG_ERROR_MALLOC;
|
|
}
|
|
|
|
/* if logfile is NULL, we use a default logfile */
|
|
if (0 == logfile)
|
|
{
|
|
l_cfg->log_file = g_strdup("./myprogram.log");
|
|
}
|
|
else
|
|
{
|
|
l_cfg->log_file = g_strdup((char*) logfile);
|
|
}
|
|
|
|
/* if progname is NULL, we use a default name */
|
|
if (0 == progname)
|
|
{
|
|
l_cfg->program_name = g_strdup("myprogram");
|
|
}
|
|
else
|
|
{
|
|
l_cfg->program_name = g_strdup((char*) progname);
|
|
}
|
|
|
|
/* setting log level */
|
|
l_cfg->log_level = loglvl;
|
|
|
|
/* 0 disables syslog, everything else enables it */
|
|
l_cfg->enable_syslog = (syslog ? 1 : 0);
|
|
/* forcing syslog_level to be always <= app logging level */
|
|
l_cfg->syslog_level = (syslvl>loglvl ? loglvl : syslvl);
|
|
|
|
/* open file */
|
|
l_cfg->fd = log_file_open(l_cfg->log_file);
|
|
|
|
if (-1 == l_cfg->fd)
|
|
{
|
|
return LOG_ERROR_FILE_OPEN;
|
|
}
|
|
|
|
/* if syslog is enabled, open it */
|
|
if (l_cfg->enable_syslog)
|
|
{
|
|
openlog(l_cfg->program_name, LOG_CONS | LOG_PID, LOG_DAEMON);
|
|
}
|
|
|
|
#ifdef LOG_ENABLE_THREAD
|
|
pthread_mutexattr_init(&log_lock_attr);
|
|
pthread_mutex_init(&log_lock, &log_lock_attr);
|
|
#endif
|
|
|
|
return LOG_STARTUP_OK;
|
|
}
|
|
|
|
/******************************************************************************/
|
|
void DEFAULT_CC
|
|
log_end()
|
|
{
|
|
/* if log is closed, quit silently */
|
|
if (0 == l_cfg)
|
|
{
|
|
return;
|
|
}
|
|
|
|
/* closing log file */
|
|
log_message(LOG_LEVEL_ALWAYS,"shutting down log subsystem...");
|
|
|
|
if (0 > l_cfg->fd)
|
|
{
|
|
/* if syslog is enabled, close it */
|
|
if (l_cfg->enable_syslog)
|
|
{
|
|
closelog();
|
|
}
|
|
}
|
|
|
|
/* closing logfile... */
|
|
g_file_close(l_cfg->fd);
|
|
|
|
/* if syslog is enabled, close it */
|
|
if (l_cfg->enable_syslog)
|
|
{
|
|
closelog();
|
|
}
|
|
|
|
/* freeing allocated memory */
|
|
g_free(l_cfg->log_file);
|
|
g_free(l_cfg->program_name);
|
|
g_free(l_cfg);
|
|
|
|
l_cfg = 0;
|
|
}
|
|
|
|
/******************************************************************************/
|
|
int DEFAULT_CC
|
|
log_text2level(char* buf)
|
|
{
|
|
if (0 == g_strncasecmp(buf, "0", 2) ||
|
|
0 == g_strncasecmp(buf, "core", 5))
|
|
{
|
|
return LOG_LEVEL_ALWAYS;
|
|
}
|
|
else if (0 == g_strncasecmp(buf, "1", 2) ||
|
|
0 == g_strncasecmp(buf, "error", 6))
|
|
{
|
|
return LOG_LEVEL_ERROR;
|
|
}
|
|
else if (0 == g_strncasecmp(buf, "2", 2) ||
|
|
0 == g_strncasecmp(buf, "warn", 5) ||
|
|
0 == g_strncasecmp(buf, "warning", 8))
|
|
{
|
|
return LOG_LEVEL_WARNING;
|
|
}
|
|
else if (0 == g_strncasecmp(buf, "3", 2) ||
|
|
0 == g_strncasecmp(buf, "info", 5))
|
|
{
|
|
return LOG_LEVEL_INFO;
|
|
}
|
|
/* else if (0 == g_strncasecmp(buf, "1", 2) ||
|
|
0 == g_strncasecmp(buf, "true", 5) ||
|
|
0 == g_strncasecmp(buf, "yes", 4))
|
|
{
|
|
return LOG_LEVEL_DEBUG;
|
|
}*/
|
|
|
|
return LOG_LEVEL_DEBUG;
|
|
}
|