1 /* 2 * Author: Tatu Ylonen <ylo@cs.hut.fi> 3 * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland 4 * All rights reserved 5 * This file performs some of the things login(1) normally does. We cannot 6 * easily use something like login -p -h host -f user, because there are 7 * several different logins around, and it is hard to determined what kind of 8 * login the current system has. Also, we want to be able to execute commands 9 * on a tty. 10 * 11 * As far as I am concerned, the code I have written for this software 12 * can be used freely for any purpose. Any derived versions of this 13 * software must be clearly marked as such, and if the derived work is 14 * incompatible with the protocol description in the RFC file, it must be 15 * called by a name other than "ssh" or "Secure Shell". 16 * 17 * Copyright (c) 1999 Theo de Raadt. All rights reserved. 18 * Copyright (c) 1999 Markus Friedl. All rights reserved. 19 * 20 * Redistribution and use in source and binary forms, with or without 21 * modification, are permitted provided that the following conditions 22 * are met: 23 * 1. Redistributions of source code must retain the above copyright 24 * notice, this list of conditions and the following disclaimer. 25 * 2. Redistributions in binary form must reproduce the above copyright 26 * notice, this list of conditions and the following disclaimer in the 27 * documentation and/or other materials provided with the distribution. 28 * 29 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 30 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 31 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 32 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 33 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 34 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 35 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 36 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 37 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 38 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 39 */ 40 41 #include "includes.h" 42 RCSID("$OpenBSD: sshlogin.c,v 1.7 2003/06/12 07:57:38 markus Exp $"); 43 44 #include "loginrec.h" 45 46 /* 47 * Returns the time when the user last logged in. Returns 0 if the 48 * information is not available. This must be called before record_login. 49 * The host the user logged in from will be returned in buf. 50 */ 51 u_long 52 get_last_login_time(uid_t uid, const char *logname, 53 char *buf, u_int bufsize) 54 { 55 struct logininfo li; 56 57 login_get_lastlog(&li, uid); 58 strlcpy(buf, li.hostname, bufsize); 59 return li.tv_sec; 60 } 61 62 /* 63 * Records that the user has logged in. I wish these parts of operating 64 * systems were more standardized. 65 */ 66 void 67 record_login(pid_t pid, const char *ttyname, const char *user, uid_t uid, 68 const char *host, struct sockaddr * addr, socklen_t addrlen) 69 { 70 struct logininfo *li; 71 72 li = login_alloc_entry(pid, user, host, ttyname); 73 login_set_addr(li, addr, addrlen); 74 login_login(li); 75 login_free_entry(li); 76 } 77 78 #ifdef LOGIN_NEEDS_UTMPX 79 void 80 record_utmp_only(pid_t pid, const char *ttyname, const char *user, 81 const char *host, struct sockaddr * addr, socklen_t addrlen) 82 { 83 struct logininfo *li; 84 85 li = login_alloc_entry(pid, user, host, ttyname); 86 login_set_addr(li, addr, addrlen); 87 login_utmp_only(li); 88 login_free_entry(li); 89 } 90 #endif 91 92 /* Records that the user has logged out. */ 93 void 94 record_logout(pid_t pid, const char *ttyname, const char *user) 95 { 96 struct logininfo *li; 97 98 li = login_alloc_entry(pid, user, NULL, ttyname); 99 login_logout(li); 100 login_free_entry(li); 101 } 102