/*
-
-login.c
-
-Author: Tatu Ylonen <ylo@cs.hut.fi>
-
-Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
- All rights reserved
-
-Created: Fri Mar 24 14:51:08 1995 ylo
-
-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.
-
-*/
+ * 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("$Id$");
-
-#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. */
+RCSID("$OpenBSD: login.c,v 1.16 2000/12/19 23:17:57 markus Exp $");
-/* 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. */
+#include "loginrec.h"
-unsigned long get_last_login_time(uid_t uid, const char *logname,
- char *buf, unsigned int bufsize)
+/*
+ * 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 lastlog ll;
- char *lastlog;
- int fd;
-
- lastlog = _PATH_LASTLOG;
+ struct logininfo li;
- 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;
+ login_get_lastlog(&li, uid);
+ 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. */
+/*
+ * Records that the user has logged in. I these parts of operating systems
+ * were more standardized.
+ */
-void record_login(int pid, const char *ttyname, const char *user, uid_t uid,
- const char *host, struct sockaddr_in *addr)
+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);
+ struct logininfo *li;
- 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);
- }
- }
+ li = login_alloc_entry(pid, user, host, ttyname);
+ login_set_addr(li, addr, sizeof(struct sockaddr));
+ login_login(li);
+ login_free_entry(li);
}
-
+
/* Records that the user has logged out. */
-void record_logout(int pid, const char *ttyname)
+void
+record_logout(pid_t pid, const char *ttyname)
{
- const char *line = ttyname + 5; /* /dev/ttyq8 -> ttyq8 */
- if (logout(line))
- logwtmp(line, "", "");
+ struct logininfo *li;
+
+ li = login_alloc_entry(pid, NULL, NULL, ttyname);
+ login_logout(li);
+ login_free_entry(li);
}
andersk / openssh.git / blobdiff