1d6f907dcSJoerg Wunsch /*- 2d6f907dcSJoerg Wunsch * Copyright (c) 1996 by David L. Nugent <davidn@blaze.net.au>. 3d6f907dcSJoerg Wunsch * All rights reserved. 4d6f907dcSJoerg Wunsch * 5d6f907dcSJoerg Wunsch * Redistribution and use in source and binary forms, with or without 6d6f907dcSJoerg Wunsch * modification, are permitted provided that the following conditions 7d6f907dcSJoerg Wunsch * are met: 8d6f907dcSJoerg Wunsch * 1. Redistributions of source code must retain the above copyright 9d6f907dcSJoerg Wunsch * notice, this list of conditions and the following disclaimer as 10d6f907dcSJoerg Wunsch * the first lines of this file unmodified. 11d6f907dcSJoerg Wunsch * 2. Redistributions in binary form must reproduce the above copyright 12d6f907dcSJoerg Wunsch * notice, this list of conditions and the following disclaimer in the 13d6f907dcSJoerg Wunsch * documentation and/or other materials provided with the distribution. 14d6f907dcSJoerg Wunsch * 3. All advertising materials mentioning features or use of this software 15d6f907dcSJoerg Wunsch * must display the following acknowledgement: 16d6f907dcSJoerg Wunsch * This product includes software developed by David L. Nugent. 17d6f907dcSJoerg Wunsch * 4. The name of the author may not be used to endorse or promote products 18d6f907dcSJoerg Wunsch * derived from this software without specific prior written permission. 19d6f907dcSJoerg Wunsch * 20d6f907dcSJoerg Wunsch * THIS SOFTWARE IS PROVIDED BY THE DAVID L. NUGENT ``AS IS'' AND 21d6f907dcSJoerg Wunsch * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22d6f907dcSJoerg Wunsch * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23d6f907dcSJoerg Wunsch * ARE DISCLAIMED. IN NO EVENT SHALL DAVID L. NUGENT BE LIABLE 24d6f907dcSJoerg Wunsch * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25d6f907dcSJoerg Wunsch * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26d6f907dcSJoerg Wunsch * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27d6f907dcSJoerg Wunsch * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28d6f907dcSJoerg Wunsch * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29d6f907dcSJoerg Wunsch * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30d6f907dcSJoerg Wunsch * SUCH DAMAGE. 31d6f907dcSJoerg Wunsch * 32d6f907dcSJoerg Wunsch * $Id$ 33d6f907dcSJoerg Wunsch */ 34d6f907dcSJoerg Wunsch 35d6f907dcSJoerg Wunsch #include <fcntl.h> 36d6f907dcSJoerg Wunsch 37d6f907dcSJoerg Wunsch #include "pw.h" 38d6f907dcSJoerg Wunsch 39d6f907dcSJoerg Wunsch static FILE *logfile = NULL; 40d6f907dcSJoerg Wunsch 41d6f907dcSJoerg Wunsch void 42d6f907dcSJoerg Wunsch pw_log(struct userconf * cnf, int mode, int which, char const * fmt,...) 43d6f907dcSJoerg Wunsch { 44d6f907dcSJoerg Wunsch if (cnf->logfile && *cnf->logfile) { 45d6f907dcSJoerg Wunsch if (logfile == NULL) { /* With umask==0 we need to control file access modes on create */ 46d6f907dcSJoerg Wunsch int fd = open(cnf->logfile, O_WRONLY | O_CREAT | O_APPEND, 0600); 47d6f907dcSJoerg Wunsch 48d6f907dcSJoerg Wunsch if (fd != -1) 49d6f907dcSJoerg Wunsch logfile = fdopen(fd, "a"); 50d6f907dcSJoerg Wunsch } 51d6f907dcSJoerg Wunsch if (logfile != NULL) { 52d6f907dcSJoerg Wunsch va_list argp; 53d6f907dcSJoerg Wunsch int l; 54d6f907dcSJoerg Wunsch time_t now = time(NULL); 55d6f907dcSJoerg Wunsch struct tm *t = localtime(&now); 56d6f907dcSJoerg Wunsch char nfmt[256]; 57d6f907dcSJoerg Wunsch char *name; 58d6f907dcSJoerg Wunsch 59d6f907dcSJoerg Wunsch if ((name = getenv("LOGNAME")) == NULL && (name = getenv("USER")) == NULL) 60d6f907dcSJoerg Wunsch name = "unknown"; 61d6f907dcSJoerg Wunsch strftime(nfmt, sizeof nfmt, "%d-%b-%Y %R ", t); 62d6f907dcSJoerg Wunsch l = strlen(nfmt); 63d6f907dcSJoerg Wunsch sprintf(nfmt + strlen(nfmt), "[%s:%s%s] %s\n", name, Which[which], Modes[mode], fmt); 64d6f907dcSJoerg Wunsch va_start(argp, fmt); 65d6f907dcSJoerg Wunsch vfprintf(logfile, nfmt, argp); 66d6f907dcSJoerg Wunsch va_end(argp); 67d6f907dcSJoerg Wunsch fflush(logfile); 68d6f907dcSJoerg Wunsch } 69d6f907dcSJoerg Wunsch } 70d6f907dcSJoerg Wunsch } 71