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[svn-upgrade] Integrating new upstream version, shadow (19990709)

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nekral-guest
2007-10-07 11:44:02 +00:00
parent 9c72ed9062
commit 45c6603cc8
350 changed files with 89554 additions and 0 deletions
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libmisc/log.c Normal file
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/*
* Copyright 1989 - 1994, Julianne Frances Haugh
* 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.
* 3. Neither the name of Julianne F. Haugh nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY JULIE HAUGH 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 JULIE HAUGH 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.
*/
#include <config.h>
#include "rcsid.h"
RCSID("$Id: log.c,v 1.5 1998/04/16 19:57:44 marekm Exp $")
#include <sys/types.h>
#include <pwd.h>
#include <fcntl.h>
#include <time.h>
#include "defines.h"
#if HAVE_LASTLOG_H
#include <lastlog.h>
#else
#include "lastlog_.h"
#endif
/*
* dolastlog - create lastlog entry
*
* A "last login" entry is created for the user being logged in. The
* UID is extracted from the global (struct passwd) entry and the
* TTY information is gotten from the (struct utmp).
*/
void
dolastlog(struct lastlog *ll, const struct passwd *pw, const char *line, const char *host)
{
int fd;
off_t offset;
struct lastlog newlog;
/*
* If the file does not exist, don't create it.
*/
if ((fd = open(LASTLOG_FILE, O_RDWR)) == -1)
return;
/*
* The file is indexed by UID number. Seek to the record
* for this UID. Negative UID's will create problems, but ...
*/
offset = (unsigned long) pw->pw_uid * sizeof newlog;
if (lseek(fd, offset, SEEK_SET) != offset) {
close(fd);
return;
}
/*
* Read the old entry so we can tell the user when they last
* logged in. Then construct the new entry and write it out
* the way we read the old one in.
*/
if (read(fd, (char *) &newlog, sizeof newlog) != sizeof newlog)
memzero(&newlog, sizeof newlog);
if (ll)
*ll = newlog;
time(&newlog.ll_time);
strncpy(newlog.ll_line, line, sizeof newlog.ll_line);
#if HAVE_LL_HOST
strncpy(newlog.ll_host, host, sizeof newlog.ll_host);
#endif
if (lseek(fd, offset, SEEK_SET) == offset)
write(fd, (char *) &newlog, sizeof newlog);
close(fd);
}