120253Sjoerg/*- 220302Sjoerg * Copyright (C) 1996 320302Sjoerg * David L. Nugent. All rights reserved. 420253Sjoerg * 520253Sjoerg * Redistribution and use in source and binary forms, with or without 620253Sjoerg * modification, are permitted provided that the following conditions 720253Sjoerg * are met: 820253Sjoerg * 1. Redistributions of source code must retain the above copyright 920302Sjoerg * notice, this list of conditions and the following disclaimer. 1020253Sjoerg * 2. Redistributions in binary form must reproduce the above copyright 1120253Sjoerg * notice, this list of conditions and the following disclaimer in the 1220253Sjoerg * documentation and/or other materials provided with the distribution. 1320253Sjoerg * 1420302Sjoerg * THIS SOFTWARE IS PROVIDED BY DAVID L. NUGENT AND CONTRIBUTORS ``AS IS'' AND 1520253Sjoerg * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1620253Sjoerg * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1720302Sjoerg * ARE DISCLAIMED. IN NO EVENT SHALL DAVID L. NUGENT OR CONTRIBUTORS BE LIABLE 1820253Sjoerg * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 1920253Sjoerg * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2020253Sjoerg * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2120253Sjoerg * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2220253Sjoerg * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2320253Sjoerg * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2420253Sjoerg * SUCH DAMAGE. 2520253Sjoerg */ 2620253Sjoerg 2730259Scharnier#ifndef lint 2830259Scharnierstatic const char rcsid[] = 2950479Speter "$FreeBSD$"; 3030259Scharnier#endif /* not lint */ 3130259Scharnier 3220253Sjoerg#include <fcntl.h> 3320253Sjoerg 3420253Sjoerg#include "pw.h" 3520253Sjoerg 3620253Sjoergstatic FILE *logfile = NULL; 3720253Sjoerg 3820253Sjoergvoid 3920253Sjoergpw_log(struct userconf * cnf, int mode, int which, char const * fmt,...) 4020253Sjoerg{ 4120253Sjoerg if (cnf->logfile && *cnf->logfile) { 4220253Sjoerg if (logfile == NULL) { /* With umask==0 we need to control file access modes on create */ 4320253Sjoerg int fd = open(cnf->logfile, O_WRONLY | O_CREAT | O_APPEND, 0600); 4420253Sjoerg 4520253Sjoerg if (fd != -1) 4620253Sjoerg logfile = fdopen(fd, "a"); 4720253Sjoerg } 4820253Sjoerg if (logfile != NULL) { 4920253Sjoerg va_list argp; 5020253Sjoerg int l; 5120253Sjoerg time_t now = time(NULL); 5220253Sjoerg struct tm *t = localtime(&now); 5320253Sjoerg char nfmt[256]; 5420253Sjoerg char *name; 5520253Sjoerg 5620253Sjoerg if ((name = getenv("LOGNAME")) == NULL && (name = getenv("USER")) == NULL) 5720253Sjoerg name = "unknown"; 5861957Sache /* ISO 8601 International Standard Date format */ 5961957Sache strftime(nfmt, sizeof nfmt, "%Y-%m-%d %T ", t); 6020253Sjoerg l = strlen(nfmt); 6120253Sjoerg sprintf(nfmt + strlen(nfmt), "[%s:%s%s] %s\n", name, Which[which], Modes[mode], fmt); 6220253Sjoerg va_start(argp, fmt); 6320253Sjoerg vfprintf(logfile, nfmt, argp); 6420253Sjoerg va_end(argp); 6520253Sjoerg fflush(logfile); 6620253Sjoerg } 6720253Sjoerg } 6820253Sjoerg} 69