/* * Author: Tatu Ylonen * Copyright (c) 1995 Tatu Ylonen , 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 2003 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 $"); #pragma ident "%Z%%M% %I% %E% SMI" #include "loginrec.h" #include "log.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. I 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_name_or_ip(utmp_len, options.verify_reverse_mapping); 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); } #ifdef LOGIN_NEEDS_UTMPX void record_utmp_only(pid_t pid, const char *ttyname, const char *user, const char *host, struct sockaddr * addr) { struct logininfo *li; li = login_alloc_entry(pid, user, host, ttyname, NULL); login_set_addr(li, addr, sizeof(struct sockaddr)); (void) login_utmp_only(li); login_free_entry(li); } #endif /* 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); }