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/*
* This file and its contents are supplied under the terms of the
* Common Development and Distribution License ("CDDL"), version 1.0.
* You may only use this file in accordance with the terms of version
* 1.0 of the CDDL.
*
* A full copy of the text of the CDDL should have accompanied this
* source. A copy of the CDDL is also available via the Internet at
* http://www.illumos.org/license/CDDL.
*/
/*
* Copyright 2014 Nexenta Systems, Inc. All rights reserved.
*/
#include <stdio.h>
#include <stdarg.h>
#include <errno.h>
#include <string.h>
#include <syslog.h>
#include <smbsrv/smbinfo.h>
#include <smbsrv/smb_ioctl.h>
#include "smbd.h"
#define CBUFSIZ 26 /* ctime(3c) */
static const char *pri_name[LOG_DEBUG+1] = {
"emerg", "alert", "crit", "err", "warning", "notice", "info", "debug"
};
static void
smb_svc_log(int pri, const char *fmt, va_list ap)
{
static time_t prev_ts;
char fbuf[SMBD_LOG_MSGSIZE];
char cbuf[CBUFSIZ];
char *newfmt;
time_t ts;
int save_errno = errno;
pri &= LOG_PRIMASK;
if (smbd.s_debug == 0 && pri == LOG_DEBUG)
return;
ts = time(NULL);
if (prev_ts != ts) {
prev_ts = ts;
/* NB: cbuf has \n */
(void) fprintf(stdout, "@ %s",
ctime_r(&ts, cbuf, sizeof (cbuf)));
}
newfmt = smb_syslog_fmt_m(fbuf, sizeof (fbuf), fmt, save_errno);
flockfile(stdout);
(void) fprintf(stdout, "smbd.%s: ", pri_name[pri]);
/* LINTED E_SEC_PRINTF_VAR_FMT */
(void) vfprintf(stdout, newfmt, ap);
(void) fprintf(stdout, "\n");
funlockfile(stdout);
(void) fflush(stdout);
}
/*
* Provide a replacement for libsmb:smb_vsyslog() that prints messages
* both to the normal sysloc(3c), and to stdout, which ends up in:
* /var/svc/log/network-smb-server:default.log
* It's much easier to follow debug messages in the service log.
*/
void
smb_vsyslog(int pri, const char *fmt, va_list ap)
{
va_list tap;
va_copy(tap, ap);
smb_svc_log(pri, fmt, tap);
va_end(tap);
vsyslog(pri, fmt, ap);
}
/*
* An override for libsmb:smb_trace(). As the comment there says:
*
* This function is designed to be used with dtrace, i.e. see:
* usr/src/cmd/smbsrv/dtrace/smbd-all.d
*
* Outside of dtrace, the messages passed to this function usually
* lack sufficient context to be useful, so don't log them.
* However, if you insist, set debug >= 3 and this will log them.
*/
void
smb_trace(const char *s)
{
if (smbd.s_debug >= 3)
(void) fprintf(stdout, "smbd.trace: %s\n", s);
}
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