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/*-
* Copyright (C) 1996
* David L. Nugent. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY DAVID L. NUGENT AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL DAVID L. NUGENT OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef lint
static const char rcsid[] =
"$FreeBSD$";
#endif /* not lint */
#include <fcntl.h>
#include <string.h>
#include <stdarg.h>
#include "pw.h"
static FILE *logfile = NULL;
void
pw_log(struct userconf * cnf, int mode, int which, char const * fmt,...)
{
if (cnf->logfile && *cnf->logfile) {
if (logfile == NULL) { /* With umask==0 we need to control file access modes on create */
int fd = open(cnf->logfile, O_WRONLY | O_CREAT | O_APPEND, 0600);
if (fd != -1)
logfile = fdopen(fd, "a");
}
if (logfile != NULL) {
va_list argp;
time_t now = time(NULL);
struct tm *t = localtime(&now);
char nfmt[256];
const char *name;
if ((name = getenv("LOGNAME")) == NULL && (name = getenv("USER")) == NULL)
name = "unknown";
/* ISO 8601 International Standard Date format */
strftime(nfmt, sizeof nfmt, "%Y-%m-%d %T ", t);
sprintf(nfmt + strlen(nfmt), "[%s:%s%s] %s\n", name, Which[which], Modes[mode], fmt);
va_start(argp, fmt);
vfprintf(logfile, nfmt, argp);
va_end(argp);
fflush(logfile);
}
}
}
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