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/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
* All rights reserved
* This file performs some of the things login(1) normally does. We cannot
* easily use something like login -p -h host -f user, because there are
* several different logins around, and it is hard to determined what kind of
* login the current system has. Also, we want to be able to execute commands
* on a tty.
*
* As far as I am concerned, the code I have written for this software
* can be used freely for any purpose. Any derived versions of this
* software must be clearly marked as such, and if the derived work is
* incompatible with the protocol description in the RFC file, it must be
* called by a name other than "ssh" or "Secure Shell".
*
* Copyright (c) 1999 Theo de Raadt. All rights reserved.
* Copyright (c) 1999 Markus Friedl. 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 ``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 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.
*/
/*
* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#include "includes.h"
RCSID("$OpenBSD: sshlogin.c,v 1.5 2002/08/29 15:57:25 stevesk Exp $");
#include "loginrec.h"
#include "log.h"
#include "buffer.h"
#include "servconf.h"
#include "canohost.h"
#include "packet.h"
extern u_int utmp_len;
extern ServerOptions options;
/*
* Returns the time when the user last logged in. Returns 0 if the
* information is not available. This must be called before record_login.
* The host the user logged in from will be returned in buf.
*/
u_long
get_last_login_time(uid_t uid, const char *logname,
char *buf, u_int bufsize)
{
struct logininfo li;
(void) login_get_lastlog(&li, uid);
(void) strlcpy(buf, li.hostname, bufsize);
return li.tv_sec;
}
/*
* Records that the user has logged in. If only these parts of operating
* systems were more standardized.
*/
void
record_login(pid_t pid, const char *ttyname, const char *progname,
const char *user)
{
struct logininfo *li;
static int initialized = 0;
static socklen_t fromlen;
static struct sockaddr_storage from;
static const char *remote_name_or_ip;
if (pid == 0)
pid = getpid();
/*
* Get IP address of client. If the connection is not a socket, let
* the address be 0.0.0.0.
*/
if (!initialized) {
(void) memset(&from, 0, sizeof(from));
if (packet_connection_is_on_socket()) {
fromlen = sizeof(from);
if (getpeername(packet_get_connection_in(),
(struct sockaddr *) &from, &fromlen) < 0) {
debug("getpeername: %.100s", strerror(errno));
fatal_cleanup();
}
}
remote_name_or_ip = get_remote_ipaddr();
initialized = 1;
}
li = login_alloc_entry(pid, user, remote_name_or_ip, ttyname, progname);
login_set_addr(li, (struct sockaddr*) &from, sizeof(struct sockaddr));
(void) login_login(li);
login_free_entry(li);
}
/* Records that the user has logged out. */
void
record_logout(pid_t pid, const char *ttyname, const char *progname,
const char *user)
{
struct logininfo *li;
li = login_alloc_entry(pid, user, NULL, ttyname, progname);
(void) login_logout(li);
login_free_entry(li);
}
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