2007-10-07 17:14:02 +05:30
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/*
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2008-04-27 06:10:09 +05:30
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* Copyright (c) 1989 - 1994, Julianne Frances Haugh
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* Copyright (c) 1996 - 1999, Marek Michałkiewicz
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* Copyright (c) 2001 - 2005, Tomasz Kłoczko
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2009-04-22 04:09:14 +05:30
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* Copyright (c) 2008 - 2009, Nicolas François
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2007-10-07 17:14:02 +05:30
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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2008-04-27 06:10:09 +05:30
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* 3. The name of the copyright holders or contributors may not be used to
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* endorse or promote products derived from this software without
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* specific prior written permission.
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2007-10-07 17:14:02 +05:30
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*
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2008-04-27 06:10:09 +05:30
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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2007-10-07 17:14:02 +05:30
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*/
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#include <config.h>
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#include "defines.h"
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2008-01-05 18:53:22 +05:30
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#include "prototypes.h"
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2007-10-07 17:14:02 +05:30
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2009-04-29 01:33:23 +05:30
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#ifdef USE_UTMPX
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2007-10-07 17:14:02 +05:30
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#include <utmpx.h>
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2018-06-24 10:43:12 +05:30
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#else
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#include <utmp.h>
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2007-10-07 17:14:02 +05:30
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#endif
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2009-04-22 04:09:14 +05:30
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#include <assert.h>
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2013-08-07 05:47:52 +05:30
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#include <sys/types.h>
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#include <sys/socket.h>
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2009-04-22 04:09:14 +05:30
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#include <netdb.h>
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2007-10-07 17:14:02 +05:30
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#include <stdio.h>
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2007-11-11 05:16:11 +05:30
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#ident "$Id$"
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2007-10-07 17:17:01 +05:30
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2007-10-07 17:14:02 +05:30
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2008-11-23 05:26:11 +05:30
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/*
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* is_my_tty -- determine if "tty" is the same TTY stdin is using
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*/
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static bool is_my_tty (const char *tty)
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{
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2009-04-23 02:27:29 +05:30
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/* full_tty shall be at least sizeof utmp.ut_line + 5 */
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2008-11-23 05:26:11 +05:30
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char full_tty[200];
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2009-04-23 02:27:29 +05:30
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/* tmptty shall be bigger than full_tty */
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static char tmptty[sizeof (full_tty)+1];
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2008-11-23 05:26:11 +05:30
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if ('/' != *tty) {
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2009-04-23 02:27:29 +05:30
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(void) snprintf (full_tty, sizeof full_tty, "/dev/%s", tty);
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tty = &full_tty[0];
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2008-11-23 05:26:11 +05:30
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}
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2009-04-23 02:27:29 +05:30
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if ('\0' == tmptty[0]) {
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const char *tname = ttyname (STDIN_FILENO);
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if (NULL != tname) {
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(void) strncpy (tmptty, tname, sizeof tmptty);
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tmptty[sizeof (tmptty) - 1] = '\0';
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}
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2008-11-23 05:26:11 +05:30
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}
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2009-09-08 01:20:00 +05:30
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if ('\0' == tmptty[0]) {
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2009-04-22 04:09:14 +05:30
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(void) puts (_("Unable to determine your tty name."));
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exit (EXIT_FAILURE);
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2009-04-23 02:27:29 +05:30
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} else if (strncmp (tty, tmptty, sizeof (tmptty)) != 0) {
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2008-11-23 05:26:11 +05:30
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return false;
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} else {
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return true;
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}
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}
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2007-10-07 17:14:02 +05:30
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/*
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2009-04-22 04:09:14 +05:30
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* get_current_utmp - return the most probable utmp entry for the current
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* session
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2007-10-07 17:14:02 +05:30
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*
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2009-04-22 04:09:14 +05:30
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* The utmp file is scanned for an entry with the same process ID.
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2017-10-23 00:40:41 +05:30
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* The line entered by the *getty / telnetd, etc. should also match
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2009-04-22 04:09:14 +05:30
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* the current terminal.
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2007-10-07 17:14:02 +05:30
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*
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2009-04-22 04:09:14 +05:30
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* When an entry is returned by get_current_utmp, and if the utmp
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* structure has a ut_id field, this field should be used to update
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* the entry information.
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*
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* Return NULL if no entries exist in utmp for the current process.
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2007-10-07 17:14:02 +05:30
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*/
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2018-06-24 10:43:12 +05:30
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#ifndef USE_UTMPX
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* libmisc/utmp.c, libmisc/age.c, libmisc/shell.c, lib/groupio.c,
lib/groupio.h, lib/sgroupio.c, lib/sgroupio.h, lib/shadowio.c,
lib/pwio.c, lib/commonio.c, lib/shadowio.h, lib/pwio.h,
lib/commonio.h, lib/prototypes.h: Added splint annotations.
2009-04-23 02:51:14 +05:30
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/*@null@*/ /*@only@*/struct utmp *get_current_utmp (void)
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2007-10-07 17:14:02 +05:30
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{
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struct utmp *ut;
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2009-04-22 04:09:14 +05:30
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struct utmp *ret = NULL;
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2007-10-07 17:14:02 +05:30
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2007-10-07 17:15:23 +05:30
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setutent ();
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2007-10-07 17:14:02 +05:30
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/* First, try to find a valid utmp entry for this process. */
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2008-11-23 05:26:11 +05:30
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while ((ut = getutent ()) != NULL) {
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2009-04-22 04:09:14 +05:30
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if ( (ut->ut_pid == getpid ())
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#ifdef HAVE_STRUCT_UTMP_UT_ID
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2008-06-18 02:43:30 +05:30
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&& ('\0' != ut->ut_id[0])
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2009-04-22 04:09:14 +05:30
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#endif
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#ifdef HAVE_STRUCT_UTMP_UT_TYPE
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2008-06-18 02:43:30 +05:30
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&& ( (LOGIN_PROCESS == ut->ut_type)
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2008-11-23 05:26:11 +05:30
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|| (USER_PROCESS == ut->ut_type))
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2009-04-22 04:09:14 +05:30
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#endif
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2008-11-23 05:26:11 +05:30
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/* A process may have failed to close an entry
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2009-04-18 02:55:30 +05:30
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* Check if this entry refers to the current tty */
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2008-11-23 05:26:11 +05:30
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&& is_my_tty (ut->ut_line)) {
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2007-10-07 17:14:02 +05:30
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break;
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2008-06-18 02:43:30 +05:30
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}
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2008-11-23 05:26:11 +05:30
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}
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2007-10-07 17:14:02 +05:30
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2008-06-18 02:43:30 +05:30
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if (NULL != ut) {
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2009-04-23 02:29:23 +05:30
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ret = (struct utmp *) xmalloc (sizeof (*ret));
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2009-04-22 04:09:14 +05:30
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memcpy (ret, ut, sizeof (*ret));
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2007-10-07 17:14:02 +05:30
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}
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2009-04-18 02:55:30 +05:30
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2009-04-19 20:58:38 +05:30
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endutent ();
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2007-10-07 17:14:02 +05:30
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2009-04-22 04:09:14 +05:30
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return ret;
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2007-10-07 17:14:02 +05:30
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}
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2018-06-24 10:43:12 +05:30
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#else
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/*@null@*/ /*@only*/struct utmpx *get_current_utmp(void)
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{
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struct utmpx *ut;
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struct utmpx *ret = NULL;
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setutxent ();
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/* Find the utmpx entry for this PID. */
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while ((ut = getutxent ()) != NULL) {
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if ( (ut->ut_pid == getpid ())
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&& ('\0' != ut->ut_id[0])
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&& ( (LOGIN_PROCESS == ut->ut_type)
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|| (USER_PROCESS == ut->ut_type))
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&& is_my_tty (ut->ut_line)) {
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break;
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}
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}
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if (NULL != ut) {
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ret = (struct utmpx *) xmalloc (sizeof (*ret));
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memcpy (ret, ut, sizeof (*ret));
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}
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endutxent ();
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return ret;
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}
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#endif
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2007-10-07 17:14:02 +05:30
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2012-05-18 23:27:52 +05:30
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#ifndef USE_PAM
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2007-10-07 17:14:02 +05:30
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/*
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* Some systems already have updwtmp() and possibly updwtmpx(). Others
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2009-04-22 04:09:14 +05:30
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* don't, so we re-implement these functions if necessary.
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2007-10-07 17:14:02 +05:30
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*/
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#ifndef HAVE_UPDWTMP
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2007-10-07 17:15:23 +05:30
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static void updwtmp (const char *filename, const struct utmp *ut)
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2007-10-07 17:14:02 +05:30
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{
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int fd;
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2007-10-07 17:15:23 +05:30
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fd = open (filename, O_APPEND | O_WRONLY, 0);
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2007-10-07 17:14:02 +05:30
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if (fd >= 0) {
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2007-10-07 17:15:23 +05:30
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write (fd, (const char *) ut, sizeof (*ut));
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close (fd);
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2007-10-07 17:14:02 +05:30
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}
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}
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2007-10-07 17:15:23 +05:30
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#endif /* ! HAVE_UPDWTMP */
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2007-10-07 17:14:02 +05:30
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2009-04-28 01:36:25 +05:30
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#ifdef USE_UTMPX
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2007-10-07 17:14:02 +05:30
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#ifndef HAVE_UPDWTMPX
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2007-10-07 17:15:23 +05:30
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static void updwtmpx (const char *filename, const struct utmpx *utx)
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2007-10-07 17:14:02 +05:30
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{
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int fd;
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2007-10-07 17:15:23 +05:30
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fd = open (filename, O_APPEND | O_WRONLY, 0);
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2007-10-07 17:14:02 +05:30
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if (fd >= 0) {
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2007-10-07 17:15:23 +05:30
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write (fd, (const char *) utx, sizeof (*utx));
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close (fd);
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2007-10-07 17:14:02 +05:30
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}
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}
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2007-10-07 17:15:23 +05:30
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#endif /* ! HAVE_UPDWTMPX */
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2009-04-28 01:36:25 +05:30
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#endif /* ! USE_UTMPX */
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2012-05-18 23:27:52 +05:30
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#endif /* ! USE_PAM */
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2007-10-07 17:14:02 +05:30
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2018-06-24 10:43:12 +05:30
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#ifndef USE_UTMPX
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2009-04-22 04:09:14 +05:30
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/*
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* prepare_utmp - prepare an utmp entry so that it can be logged in a
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* utmp/wtmp file.
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*
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2009-04-23 02:32:46 +05:30
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* It accepts an utmp entry in input (ut) to return an entry with
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2009-04-22 04:09:14 +05:30
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* the right ut_id. This is typically an entry returned by
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* get_current_utmp
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2009-04-23 02:32:46 +05:30
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* If ut is NULL, ut_id will be forged based on the line argument.
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2009-04-22 04:09:14 +05:30
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*
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2009-04-23 02:32:46 +05:30
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* The ut_host field of the input structure may also be kept, and is
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* used to define the ut_addr/ut_addr_v6 fields. (if these fields
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* exist)
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2009-04-22 04:09:14 +05:30
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*
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* Other fields are discarded and filed with new values (if they
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* exist).
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*
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* The returned structure shall be freed by the caller.
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*/
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2009-04-23 02:37:33 +05:30
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/*@only@*/struct utmp *prepare_utmp (const char *name,
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2009-04-28 01:36:25 +05:30
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const char *line,
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const char *host,
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/*@null@*/const struct utmp *ut)
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2007-10-07 17:14:02 +05:30
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{
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2009-04-22 04:09:14 +05:30
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struct timeval tv;
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char *hostname = NULL;
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struct utmp *utent;
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assert (NULL != name);
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assert (NULL != line);
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if ( (NULL != host)
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2009-04-23 02:34:16 +05:30
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&& ('\0' != host[0])) {
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2009-04-22 04:09:14 +05:30
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hostname = (char *) xmalloc (strlen (host) + 1);
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strcpy (hostname, host);
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#ifdef HAVE_STRUCT_UTMP_UT_HOST
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2009-04-23 02:32:46 +05:30
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} else if ( (NULL != ut)
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2009-04-22 04:09:14 +05:30
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&& ('\0' != ut->ut_host[0])) {
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hostname = (char *) xmalloc (sizeof (ut->ut_host) + 1);
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strncpy (hostname, ut->ut_host, sizeof (ut->ut_host));
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hostname[sizeof (ut->ut_host)] = '\0';
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#endif /* HAVE_STRUCT_UTMP_UT_HOST */
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2008-06-18 02:43:30 +05:30
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}
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2009-04-22 04:09:14 +05:30
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if (strncmp(line, "/dev/", 5) == 0) {
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line += 5;
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}
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2007-10-07 17:14:02 +05:30
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2009-04-22 04:09:14 +05:30
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utent = (struct utmp *) xmalloc (sizeof (*utent));
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memzero (utent, sizeof (*utent));
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#ifdef HAVE_STRUCT_UTMP_UT_TYPE
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utent->ut_type = USER_PROCESS;
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#endif /* HAVE_STRUCT_UTMP_UT_TYPE */
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utent->ut_pid = getpid ();
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strncpy (utent->ut_line, line, sizeof (utent->ut_line));
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#ifdef HAVE_STRUCT_UTMP_UT_ID
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2009-04-23 02:32:46 +05:30
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if (NULL != ut) {
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strncpy (utent->ut_id, ut->ut_id, sizeof (utent->ut_id));
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} else {
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/* XXX - assumes /dev/tty?? */
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strncpy (utent->ut_id, line + 3, sizeof (utent->ut_id));
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}
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2009-04-22 04:09:14 +05:30
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#endif /* HAVE_STRUCT_UTMP_UT_ID */
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#ifdef HAVE_STRUCT_UTMP_UT_NAME
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strncpy (utent->ut_name, name, sizeof (utent->ut_name));
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#endif /* HAVE_STRUCT_UTMP_UT_NAME */
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#ifdef HAVE_STRUCT_UTMP_UT_USER
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strncpy (utent->ut_user, name, sizeof (utent->ut_user));
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#endif /* HAVE_STRUCT_UTMP_UT_USER */
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if (NULL != hostname) {
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struct addrinfo *info = NULL;
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#ifdef HAVE_STRUCT_UTMP_UT_HOST
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strncpy (utent->ut_host, hostname, sizeof (utent->ut_host));
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#endif /* HAVE_STRUCT_UTMP_UT_HOST */
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|
|
|
#ifdef HAVE_STRUCT_UTMP_UT_SYSLEN
|
|
|
|
utent->ut_syslen = MIN (strlen (hostname),
|
|
|
|
sizeof (utent->ut_host));
|
|
|
|
#endif /* HAVE_STRUCT_UTMP_UT_SYSLEN */
|
|
|
|
#if defined(HAVE_STRUCT_UTMP_UT_ADDR) || defined(HAVE_STRUCT_UTMP_UT_ADDR_V6)
|
|
|
|
if (getaddrinfo (hostname, NULL, NULL, &info) == 0) {
|
|
|
|
/* getaddrinfo might not be reliable.
|
|
|
|
* Just try to log what may be useful.
|
|
|
|
*/
|
|
|
|
if (info->ai_family == AF_INET) {
|
|
|
|
struct sockaddr_in *sa =
|
|
|
|
(struct sockaddr_in *) info->ai_addr;
|
|
|
|
#ifdef HAVE_STRUCT_UTMP_UT_ADDR
|
|
|
|
memcpy (&(utent->ut_addr),
|
|
|
|
&(sa->sin_addr),
|
|
|
|
MIN (sizeof (utent->ut_addr),
|
|
|
|
sizeof (sa->sin_addr)));
|
|
|
|
#endif /* HAVE_STRUCT_UTMP_UT_ADDR */
|
|
|
|
#ifdef HAVE_STRUCT_UTMP_UT_ADDR_V6
|
|
|
|
memcpy (utent->ut_addr_v6,
|
|
|
|
&(sa->sin_addr),
|
|
|
|
MIN (sizeof (utent->ut_addr_v6),
|
|
|
|
sizeof (sa->sin_addr)));
|
|
|
|
} else if (info->ai_family == AF_INET6) {
|
|
|
|
struct sockaddr_in6 *sa =
|
|
|
|
(struct sockaddr_in6 *) info->ai_addr;
|
|
|
|
memcpy (utent->ut_addr_v6,
|
|
|
|
&(sa->sin6_addr),
|
|
|
|
MIN (sizeof (utent->ut_addr_v6),
|
|
|
|
sizeof (sa->sin6_addr)));
|
|
|
|
#endif /* HAVE_STRUCT_UTMP_UT_ADDR_V6 */
|
|
|
|
}
|
|
|
|
freeaddrinfo (info);
|
|
|
|
}
|
|
|
|
#endif /* HAVE_STRUCT_UTMP_UT_ADDR || HAVE_STRUCT_UTMP_UT_ADDR_V6 */
|
|
|
|
free (hostname);
|
|
|
|
}
|
|
|
|
/* ut_exit is only for DEAD_PROCESS */
|
|
|
|
utent->ut_session = getsid (0);
|
2009-04-23 02:36:13 +05:30
|
|
|
if (gettimeofday (&tv, NULL) == 0) {
|
2009-04-22 04:09:14 +05:30
|
|
|
#ifdef HAVE_STRUCT_UTMP_UT_TIME
|
2009-04-23 02:36:13 +05:30
|
|
|
utent->ut_time = tv.tv_sec;
|
2009-04-22 04:09:14 +05:30
|
|
|
#endif /* HAVE_STRUCT_UTMP_UT_TIME */
|
|
|
|
#ifdef HAVE_STRUCT_UTMP_UT_XTIME
|
2009-04-23 02:36:13 +05:30
|
|
|
utent->ut_xtime = tv.tv_usec;
|
2009-04-22 04:09:14 +05:30
|
|
|
#endif /* HAVE_STRUCT_UTMP_UT_XTIME */
|
|
|
|
#ifdef HAVE_STRUCT_UTMP_UT_TV
|
2009-04-23 02:36:13 +05:30
|
|
|
utent->ut_tv.tv_sec = tv.tv_sec;
|
|
|
|
utent->ut_tv.tv_usec = tv.tv_usec;
|
2009-04-22 04:09:14 +05:30
|
|
|
#endif /* HAVE_STRUCT_UTMP_UT_TV */
|
2009-04-23 02:36:13 +05:30
|
|
|
}
|
2009-04-22 04:09:14 +05:30
|
|
|
|
|
|
|
return utent;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* setutmp - Update an entry in utmp and log an entry in wtmp
|
|
|
|
*
|
|
|
|
* Return 1 on failure and 0 on success.
|
|
|
|
*/
|
|
|
|
int setutmp (struct utmp *ut)
|
2007-10-07 17:14:02 +05:30
|
|
|
{
|
2008-06-18 02:43:30 +05:30
|
|
|
int err = 0;
|
2007-10-07 17:14:02 +05:30
|
|
|
|
2009-04-22 04:09:14 +05:30
|
|
|
assert (NULL != ut);
|
2007-10-07 17:14:02 +05:30
|
|
|
|
2009-04-22 04:09:14 +05:30
|
|
|
setutent ();
|
|
|
|
if (pututline (ut) == NULL) {
|
|
|
|
err = 1;
|
2008-06-18 02:43:30 +05:30
|
|
|
}
|
2009-04-22 04:09:14 +05:30
|
|
|
endutent ();
|
2007-10-07 17:14:02 +05:30
|
|
|
|
2012-05-18 23:27:52 +05:30
|
|
|
#ifndef USE_PAM
|
|
|
|
/* This is done by pam_lastlog */
|
2009-04-22 04:09:14 +05:30
|
|
|
updwtmp (_WTMP_FILE, ut);
|
2012-05-18 23:27:52 +05:30
|
|
|
#endif /* ! USE_PAM */
|
2007-10-07 17:14:02 +05:30
|
|
|
|
2009-04-22 04:09:14 +05:30
|
|
|
return err;
|
|
|
|
}
|
2007-10-07 17:14:02 +05:30
|
|
|
|
2018-06-24 10:43:12 +05:30
|
|
|
#else
|
2009-04-22 04:09:14 +05:30
|
|
|
/*
|
|
|
|
* prepare_utmpx - the UTMPX version for prepare_utmp
|
|
|
|
*/
|
2009-04-23 02:37:33 +05:30
|
|
|
/*@only@*/struct utmpx *prepare_utmpx (const char *name,
|
2009-04-28 01:36:25 +05:30
|
|
|
const char *line,
|
|
|
|
const char *host,
|
2018-06-24 10:43:12 +05:30
|
|
|
/*@null@*/const struct utmpx *ut)
|
2009-04-22 04:09:14 +05:30
|
|
|
{
|
|
|
|
struct timeval tv;
|
|
|
|
char *hostname = NULL;
|
|
|
|
struct utmpx *utxent;
|
|
|
|
|
|
|
|
assert (NULL != name);
|
|
|
|
assert (NULL != line);
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
if ( (NULL != host)
|
2009-04-23 02:34:16 +05:30
|
|
|
&& ('\0' != host[0])) {
|
2009-04-22 04:09:14 +05:30
|
|
|
hostname = (char *) xmalloc (strlen (host) + 1);
|
|
|
|
strcpy (hostname, host);
|
|
|
|
#ifdef HAVE_STRUCT_UTMP_UT_HOST
|
2009-04-23 02:32:46 +05:30
|
|
|
} else if ( (NULL != ut)
|
|
|
|
&& (NULL != ut->ut_host)
|
2009-04-22 04:09:14 +05:30
|
|
|
&& ('\0' != ut->ut_host[0])) {
|
|
|
|
hostname = (char *) xmalloc (sizeof (ut->ut_host) + 1);
|
|
|
|
strncpy (hostname, ut->ut_host, sizeof (ut->ut_host));
|
|
|
|
hostname[sizeof (ut->ut_host)] = '\0';
|
|
|
|
#endif /* HAVE_STRUCT_UTMP_UT_TYPE */
|
2007-10-07 17:14:02 +05:30
|
|
|
}
|
|
|
|
|
2009-04-22 04:09:14 +05:30
|
|
|
if (strncmp(line, "/dev/", 5) == 0) {
|
|
|
|
line += 5;
|
2007-10-07 17:14:02 +05:30
|
|
|
}
|
2009-04-22 04:09:14 +05:30
|
|
|
|
|
|
|
utxent = (struct utmpx *) xmalloc (sizeof (*utxent));
|
|
|
|
memzero (utxent, sizeof (*utxent));
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
utxent->ut_type = USER_PROCESS;
|
|
|
|
utxent->ut_pid = getpid ();
|
|
|
|
strncpy (utxent->ut_line, line, sizeof (utxent->ut_line));
|
2009-04-28 01:36:25 +05:30
|
|
|
/* existence of ut->ut_id is enforced by configure */
|
2009-04-23 02:32:46 +05:30
|
|
|
if (NULL != ut) {
|
|
|
|
strncpy (utxent->ut_id, ut->ut_id, sizeof (utxent->ut_id));
|
|
|
|
} else {
|
|
|
|
/* XXX - assumes /dev/tty?? */
|
|
|
|
strncpy (utxent->ut_id, line + 3, sizeof (utxent->ut_id));
|
|
|
|
}
|
2009-04-22 04:09:14 +05:30
|
|
|
#ifdef HAVE_STRUCT_UTMPX_UT_NAME
|
|
|
|
strncpy (utxent->ut_name, name, sizeof (utxent->ut_name));
|
|
|
|
#endif /* HAVE_STRUCT_UTMPX_UT_NAME */
|
|
|
|
strncpy (utxent->ut_user, name, sizeof (utxent->ut_user));
|
|
|
|
if (NULL != hostname) {
|
|
|
|
struct addrinfo *info = NULL;
|
|
|
|
#ifdef HAVE_STRUCT_UTMPX_UT_HOST
|
|
|
|
strncpy (utxent->ut_host, hostname, sizeof (utxent->ut_host));
|
|
|
|
#endif /* HAVE_STRUCT_UTMPX_UT_HOST */
|
|
|
|
#ifdef HAVE_STRUCT_UTMPX_UT_SYSLEN
|
|
|
|
utxent->ut_syslen = MIN (strlen (hostname),
|
|
|
|
sizeof (utxent->ut_host));
|
|
|
|
#endif /* HAVE_STRUCT_UTMPX_UT_SYSLEN */
|
|
|
|
#if defined(HAVE_STRUCT_UTMPX_UT_ADDR) || defined(HAVE_STRUCT_UTMPX_UT_ADDR_V6)
|
|
|
|
if (getaddrinfo (hostname, NULL, NULL, &info) == 0) {
|
|
|
|
/* getaddrinfo might not be reliable.
|
|
|
|
* Just try to log what may be useful.
|
|
|
|
*/
|
|
|
|
if (info->ai_family == AF_INET) {
|
|
|
|
struct sockaddr_in *sa =
|
|
|
|
(struct sockaddr_in *) info->ai_addr;
|
|
|
|
#ifdef HAVE_STRUCT_UTMPX_UT_ADDR
|
2018-06-24 10:43:12 +05:30
|
|
|
memcpy (&utxent->ut_addr,
|
2009-04-22 04:09:14 +05:30
|
|
|
&(sa->sin_addr),
|
|
|
|
MIN (sizeof (utxent->ut_addr),
|
|
|
|
sizeof (sa->sin_addr)));
|
|
|
|
#endif /* HAVE_STRUCT_UTMPX_UT_ADDR */
|
|
|
|
#ifdef HAVE_STRUCT_UTMPX_UT_ADDR_V6
|
|
|
|
memcpy (utxent->ut_addr_v6,
|
|
|
|
&(sa->sin_addr),
|
|
|
|
MIN (sizeof (utxent->ut_addr_v6),
|
|
|
|
sizeof (sa->sin_addr)));
|
|
|
|
} else if (info->ai_family == AF_INET6) {
|
|
|
|
struct sockaddr_in6 *sa =
|
|
|
|
(struct sockaddr_in6 *) info->ai_addr;
|
|
|
|
memcpy (utxent->ut_addr_v6,
|
|
|
|
&(sa->sin6_addr),
|
|
|
|
MIN (sizeof (utxent->ut_addr_v6),
|
|
|
|
sizeof (sa->sin6_addr)));
|
|
|
|
#endif /* HAVE_STRUCT_UTMPX_UT_ADDR_V6 */
|
|
|
|
}
|
|
|
|
freeaddrinfo (info);
|
2007-10-07 17:14:02 +05:30
|
|
|
}
|
2009-04-22 04:09:14 +05:30
|
|
|
#endif /* HAVE_STRUCT_UTMPX_UT_ADDR || HAVE_STRUCT_UTMPX_UT_ADDR_V6 */
|
|
|
|
free (hostname);
|
2007-10-07 17:14:02 +05:30
|
|
|
}
|
2009-04-22 04:09:14 +05:30
|
|
|
/* ut_exit is only for DEAD_PROCESS */
|
|
|
|
utxent->ut_session = getsid (0);
|
2009-04-23 02:36:13 +05:30
|
|
|
if (gettimeofday (&tv, NULL) == 0) {
|
2009-04-22 04:09:14 +05:30
|
|
|
#ifdef HAVE_STRUCT_UTMPX_UT_TIME
|
2009-04-23 02:36:13 +05:30
|
|
|
utxent->ut_time = tv.tv_sec;
|
2009-04-22 04:09:14 +05:30
|
|
|
#endif /* HAVE_STRUCT_UTMPX_UT_TIME */
|
|
|
|
#ifdef HAVE_STRUCT_UTMPX_UT_XTIME
|
2009-04-23 02:36:13 +05:30
|
|
|
utxent->ut_xtime = tv.tv_usec;
|
2009-04-22 04:09:14 +05:30
|
|
|
#endif /* HAVE_STRUCT_UTMPX_UT_XTIME */
|
2009-04-23 02:36:13 +05:30
|
|
|
utxent->ut_tv.tv_sec = tv.tv_sec;
|
|
|
|
utxent->ut_tv.tv_usec = tv.tv_usec;
|
|
|
|
}
|
2009-04-22 04:09:14 +05:30
|
|
|
|
|
|
|
return utxent;
|
|
|
|
}
|
2007-10-07 17:14:02 +05:30
|
|
|
|
2009-04-22 04:09:14 +05:30
|
|
|
/*
|
|
|
|
* setutmpx - the UTMPX version for setutmp
|
|
|
|
*/
|
|
|
|
int setutmpx (struct utmpx *utx)
|
|
|
|
{
|
|
|
|
int err = 0;
|
2007-10-07 17:14:02 +05:30
|
|
|
|
2009-04-22 04:09:14 +05:30
|
|
|
assert (NULL != utx);
|
2007-10-07 17:14:02 +05:30
|
|
|
|
2009-04-22 04:09:14 +05:30
|
|
|
setutxent ();
|
|
|
|
if (pututxline (utx) == NULL) {
|
2008-06-18 02:43:30 +05:30
|
|
|
err = 1;
|
|
|
|
}
|
2009-04-19 20:58:38 +05:30
|
|
|
endutxent ();
|
2009-04-22 04:09:14 +05:30
|
|
|
|
2012-05-18 23:27:52 +05:30
|
|
|
#ifndef USE_PAM
|
|
|
|
/* This is done by pam_lastlog */
|
2009-04-22 04:09:14 +05:30
|
|
|
updwtmpx (_WTMP_FILE "x", utx);
|
2012-05-18 23:27:52 +05:30
|
|
|
#endif /* ! USE_PAM */
|
2009-04-19 20:58:38 +05:30
|
|
|
|
2008-06-18 02:43:30 +05:30
|
|
|
return err;
|
2007-10-07 17:14:02 +05:30
|
|
|
}
|
2009-04-28 01:36:25 +05:30
|
|
|
#endif /* USE_UTMPX */
|
2007-10-07 17:14:02 +05:30
|
|
|
|