diff options
Diffstat (limited to 'crypto/openssh/login.c')
| -rw-r--r-- | crypto/openssh/login.c | 145 |
1 files changed, 0 insertions, 145 deletions
diff --git a/crypto/openssh/login.c b/crypto/openssh/login.c deleted file mode 100644 index 1d59cd8..0000000 --- a/crypto/openssh/login.c +++ /dev/null @@ -1,145 +0,0 @@ -/* - * 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. - */ - -#include "includes.h" -RCSID("$OpenBSD: login.c,v 1.15 2000/09/07 20:27:52 deraadt Exp $"); - -#include <util.h> -#include <utmp.h> -#include "ssh.h" - -/* - * 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. - */ - -/* - * Returns the time when the user last logged in (or 0 if no previous login - * is found). The name of the host used last time is returned in buf. - */ - -unsigned long -get_last_login_time(uid_t uid, const char *logname, - char *buf, unsigned int bufsize) -{ - struct lastlog ll; - char *lastlog; - int fd; - - lastlog = _PATH_LASTLOG; - buf[0] = '\0'; - - fd = open(lastlog, O_RDONLY); - if (fd < 0) - return 0; - lseek(fd, (off_t) ((long) uid * sizeof(ll)), SEEK_SET); - if (read(fd, &ll, sizeof(ll)) != sizeof(ll)) { - close(fd); - return 0; - } - close(fd); - if (bufsize > sizeof(ll.ll_host) + 1) - bufsize = sizeof(ll.ll_host) + 1; - strncpy(buf, ll.ll_host, bufsize - 1); - buf[bufsize - 1] = 0; - return ll.ll_time; -} - -/* - * 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 *user, uid_t uid, - const char *host, struct sockaddr * addr) -{ - int fd; - struct lastlog ll; - char *lastlog; - struct utmp u; - const char *utmp, *wtmp; - - /* Construct an utmp/wtmp entry. */ - memset(&u, 0, sizeof(u)); - strncpy(u.ut_line, ttyname + 5, sizeof(u.ut_line)); - u.ut_time = time(NULL); - strncpy(u.ut_name, user, sizeof(u.ut_name)); - strncpy(u.ut_host, host, sizeof(u.ut_host)); - - /* Figure out the file names. */ - utmp = _PATH_UTMP; - wtmp = _PATH_WTMP; - - login(&u); - lastlog = _PATH_LASTLOG; - - /* Update lastlog unless actually recording a logout. */ - if (strcmp(user, "") != 0) { - /* - * It is safer to bzero the lastlog structure first because - * some systems might have some extra fields in it (e.g. SGI) - */ - memset(&ll, 0, sizeof(ll)); - - /* Update lastlog. */ - ll.ll_time = time(NULL); - strncpy(ll.ll_line, ttyname + 5, sizeof(ll.ll_line)); - strncpy(ll.ll_host, host, sizeof(ll.ll_host)); - fd = open(lastlog, O_RDWR); - if (fd >= 0) { - lseek(fd, (off_t) ((long) uid * sizeof(ll)), SEEK_SET); - if (write(fd, &ll, sizeof(ll)) != sizeof(ll)) - log("Could not write %.100s: %.100s", lastlog, strerror(errno)); - close(fd); - } - } -} - -/* Records that the user has logged out. */ - -void -record_logout(pid_t pid, const char *ttyname) -{ - const char *line = ttyname + 5; /* /dev/ttyq8 -> ttyq8 */ - if (logout(line)) - logwtmp(line, "", ""); -} |
