Don't trip on a null pointer being passed to this function when performing a local login. Noticed by: dougb
76 lines
2.4 KiB
C
76 lines
2.4 KiB
C
/*-
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* Copyright (c) 2009 Ed Schouten <ed@FreeBSD.org>
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* 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 THE AUTHOR 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 THE AUTHOR 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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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/time.h>
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#include <paths.h>
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#include <string.h>
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#include "ulog_internal.h"
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void
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ulog_login(const char *line, const char *user, const char *host)
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{
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struct ulog_utmpx utx;
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/* Remove /dev/ component. */
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if (strncmp(line, _PATH_DEV, sizeof _PATH_DEV - 1) == 0)
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line += sizeof _PATH_DEV - 1;
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memset(&utx, 0, sizeof utx);
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/* XXX: ut_id, ut_pid missing. */
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utx.ut_type = USER_PROCESS;
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strncpy(utx.ut_line, line, sizeof utx.ut_line);
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strncpy(utx.ut_user, user, sizeof utx.ut_user);
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if (host != NULL)
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strncpy(utx.ut_host, host, sizeof utx.ut_host);
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gettimeofday(&utx.ut_tv, NULL);
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ulog_pututxline(&utx);
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}
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void
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ulog_logout(const char *line)
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{
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struct ulog_utmpx utx;
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/* Remove /dev/ component. */
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if (strncmp(line, _PATH_DEV, sizeof _PATH_DEV - 1) == 0)
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line += sizeof _PATH_DEV - 1;
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memset(&utx, 0, sizeof utx);
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/* XXX: ut_id, ut_pid missing. ut_line not needed */
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utx.ut_type = DEAD_PROCESS;
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strncpy(utx.ut_line, line, sizeof utx.ut_line);
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gettimeofday(&utx.ut_tv, NULL);
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ulog_pututxline(&utx);
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}
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