diff options
Diffstat (limited to 'pw/pw_log.c')
-rw-r--r-- | pw/pw_log.c | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/pw/pw_log.c b/pw/pw_log.c new file mode 100644 index 0000000..fc85828 --- /dev/null +++ b/pw/pw_log.c @@ -0,0 +1,68 @@ +/*- + * 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 "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; + int l; + time_t now = time(NULL); + struct tm *t = localtime(&now); + char nfmt[256]; + 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); + l = strlen(nfmt); + 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); + } + } +} |