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