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#
# This file and its contents are supplied under the terms of the
# Common Development and Distribution License ("CDDL"), version 1.0.
# You may only use this file in accordance with the terms of version
# 1.0 of the CDDL.
#
# A full copy of the text of the CDDL should have accompanied this
# source. A copy of the CDDL is also available via the Internet at
# http://www.illumos.org/license/CDDL.
#
#
# MAPFILE HEADER START
#
# WARNING: STOP NOW. DO NOT MODIFY THIS FILE.
# Object versioning must comply with the rules detailed in
#
# usr/src/lib/README.mapfiles
#
# You should not be making modifications here until you've read the most current
# copy of that file. If you need help, contact a gatekeeper for guidance.
#
# MAPFILE HEADER END
#
$mapfile_version 2
SYMBOL_VERSION ILLUMOS_0.1 {
global:
addToUtmp;
removeFromUtmp;
removeLineFromUtmp;
utempter_add_record;
utempter_remove_added_record;
utempter_remove_record;
local:
*;
};
/*
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 2009 Ed Schouten <ed@FreeBSD.org>
* 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 THE AUTHOR 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 THE AUTHOR 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 <sys/types.h>
#include <pwd.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <utmpx.h>
static int last_fd = -1;
static void
utempter_update_utmpx(int type, int fd, const char *host)
{
struct utmpx ut;
struct passwd *pw;
uid_t uid;
(void) memset(&ut, 0, sizeof (ut));
ut.ut_type = type;
ut.ut_pid = getpid();
ut.ut_session = getsid(0);
(void) gettimeofday(&ut.ut_tv, NULL);
if (snprintf(ut.ut_id, sizeof (ut.ut_id), "f%d", fd) >=
sizeof (ut.ut_id))
return;
uid = getuid();
if ((pw = getpwuid(uid)) == NULL)
return;
(void) strlcpy(ut.ut_user, pw->pw_name, sizeof (ut.ut_user));
if (type == DEAD_PROCESS) {
struct utmpx *ut1;
struct utmpx ut2;
(void) memset(&ut2, 0, sizeof (ut2));
ut2.ut_type = USER_PROCESS;
if (snprintf(ut2.ut_id, sizeof (ut2.ut_id), "f%d", fd) >=
sizeof (ut2.ut_id))
return;
if ((ut1 = getutxid(&ut2)) == NULL)
return;
(void) strlcpy(ut.ut_line, ut1->ut_line, sizeof (ut.ut_line));
} else {
char *line = ptsname(fd);
if (line == NULL)
return;
(void) strlcpy(ut.ut_line, line + strlen("/dev/"),
sizeof (ut.ut_line));
}
if (host != NULL) {
(void) strlcpy(ut.ut_host, host, sizeof (ut.ut_host));
ut.ut_syslen = strlen(ut.ut_host) + 1;
}
setutxent();
(void) pututxline(&ut);
endutxent();
}
int
utempter_add_record(int fd, const char *host)
{
utempter_update_utmpx(USER_PROCESS, fd, host);
last_fd = fd;
return (0);
}
int
utempter_remove_record(int fd)
{
utempter_update_utmpx(DEAD_PROCESS, fd, NULL);
if (last_fd == fd)
last_fd = -1;
return (0);
}
int
utempter_remove_added_record(void)
{
if (last_fd < 0)
return (0);
utempter_update_utmpx(DEAD_PROCESS, last_fd, NULL);
last_fd = -1;
return (0);
}
void
addToUtmp(const char *pty __unused, const char *host, int fd)
{
(void) utempter_add_record(fd, host);
}
void
removeFromUtmp(void)
{
(void) utempter_remove_added_record();
}
void
removeLineFromUtmp(const char *pty __unused, int fd)
{
(void) utempter_remove_record(fd);
}
/*
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 2009 Ed Schouten <ed@FreeBSD.org>
* 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 THE AUTHOR 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 THE AUTHOR 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 _UTEMPTER_H
#define _UTEMPTER_H
#ifdef __cplusplus
extern "C" {
#endif
int utempter_add_record(int, const char *);
int utempter_remove_added_record(void);
int utempter_remove_record(int);
void addToUtmp(const char *, const char *, int);
void removeFromUtmp(void);
void removeLineFromUtmp(const char *, int);
#ifdef __cplusplus
}
#endif
#endif /* !_UTEMPTER_H */
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