libptytty/src/logging.C

/*----------------------------------------------------------------------*
 * File:        logging.C
 *----------------------------------------------------------------------*
 *
 * All portions of code are copyright by their respective author/s.
 * Copyright (c) 1992      John Bovey <jdb@ukc.ac.uk>
 *                              - original version
 * Copyright (c) 1993      lipka
 * Copyright (c) 1993      Brian Stempien <stempien@cs.wmich.edu>
 * Copyright (c) 1995      Raul Garcia Garcia <rgg@tid.es>
 * Copyright (c) 1995      Piet W. Plomp <piet@idefix.icce.rug.nl>
 * Copyright (c) 1997      Raul Garcia Garcia <rgg@tid.es>
 * Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
 *                              - extensive modifications
 * Copyright (c) 1999      D J Hawkey Jr <hawkeyd@visi.com>
 *                              - lastlog support
 * Copyright (c) 2004-2006 Marc Lehmann <schmorp@schmorp.de>
 * Copyright (c) 2006-2021 Emanuele Giaquinta <e.giaquinta@glauco.it>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *----------------------------------------------------------------------*/

#include "config.h"

#include "ptytty.h"

#include <pwd.h>
#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#include <unistd.h>

static void
fill_id (char *id, const char *line, size_t id_size)
{
  size_t len = strlen (line);

  if (len > id_size)
    line += len - id_size;
  strncpy (id, line, id_size);
}

/*
 * BSD style utmp entry
 *      ut_line, ut_name, ut_host, ut_time
 * SYSV style utmp (and utmpx) entry
 *      ut_user, ut_id, ut_line, ut_pid, ut_type, ut_exit, ut_time
 */

#if defined(USE_UTMPX)

#include <sys/time.h>
#include <utmpx.h>

#if !defined(WTMPX_FILE)
# if defined(_PATH_WTMPX)
#  define WTMPX_FILE _PATH_WTMPX
# elif defined(PT_WTMPX_FILE)
#  define WTMPX_FILE PT_WTMPX_FILE
# endif
#endif

#if !defined(LASTLOGX_FILE)
# if defined(_PATH_LASTLOGX)
#  define LASTLOGX_FILE _PATH_LASTLOGX
# elif defined(PT_LASTLOGX_FILE)
#  define LASTLOGX_FILE PT_LASTLOGX_FILE
# endif
#endif

#ifdef LASTLOG_SUPPORT
static void
update_lastlog (const char *pty, const char *host)
{
# if defined(HAVE_STRUCT_LASTLOGX) && defined(HAVE_UPDLASTLOGX)
  struct lastlogx llx;

  memset (&llx, 0, sizeof (llx));
  gettimeofday (&llx.ll_tv, 0);
  strncpy (llx.ll_line, pty, sizeof (llx.ll_line));
  strncpy (llx.ll_host, host, sizeof (llx.ll_host));
  updlastlogx (LASTLOGX_FILE, getuid (), &llx);
# endif
}
#endif

static void
fill_utmpx (struct utmpx *utx, bool login, int pid, const char *line, const char *user, const char *host)
{
  memset (utx, 0, sizeof (struct utmpx));

  // posix says that ut_line is not meaningful for DEAD_PROCESS
  // records, but most implementations of last use ut_line to
  // associate records in wtmp file
  strncpy (utx->ut_line, line, sizeof (utx->ut_line));
  fill_id (utx->ut_id, line, sizeof (utx->ut_id));
  utx->ut_pid = pid;
  utx->ut_type = login ? USER_PROCESS : DEAD_PROCESS;
  gettimeofday (&utx->ut_tv, 0);

  // posix says that ut_user is not meaningful for DEAD_PROCESS
  // records, but solaris utmp_update helper requires that the ut_user
  // field of a DEAD_PROCESS entry matches the one of an existing
  // USER_PROCESS entry for the same line, if any
  strncpy (utx->ut_user, user, sizeof (utx->ut_user));

#ifdef HAVE_UTMPX_HOST
  if (login)
    strncpy (utx->ut_host, host, sizeof (utx->ut_host));
#endif
}

void
ptytty_unix::log_session (bool login, const char *hostname)
{
  struct passwd *pwent = getpwuid (getuid ());
  const char *user = (pwent && pwent->pw_name) ? pwent->pw_name : "?";

  const char *pty = name;

  if (!strncmp (pty, "/dev/", 5))
    pty += 5;           /* skip /dev/ prefix */

  struct utmpx *tmputx;
  struct utmpx utx;
  fill_utmpx (&utx, login, cmd_pid, pty, user, hostname);

  setutxent ();
  if (login || ((tmputx = getutxid (&utx)) && tmputx->ut_pid == cmd_pid))
    pututxline (&utx);
  endutxent ();

  if (login_shell)
    {
#if defined(WTMP_SUPPORT) && defined(HAVE_UPDWTMPX)
      updwtmpx (WTMPX_FILE, &utx);
#endif

#ifdef LASTLOG_SUPPORT
    if (login)
      {
        if (pwent)
          update_lastlog (pty, hostname);
        else
          PTYTTY_WARN ("no entry in password file, not updating lastlog.\n");
      }
#endif
    }
}

#elif defined(USE_UTMP)

#include <time.h>
#include <utmp.h>
#ifdef HAVE_LASTLOG_H
# include <lastlog.h>
#endif

#if !defined(UTMP_FILE)
# if defined(_PATH_UTMP)
#  define UTMP_FILE _PATH_UTMP
# elif defined(PT_UTMP_FILE)
#  define UTMP_FILE PT_UTMP_FILE
# endif
#endif

#if !defined(WTMP_FILE)
# if defined(_PATH_WTMP)
#  define WTMP_FILE _PATH_WTMP
# elif defined(PT_WTMP_FILE)
#  define WTMP_FILE PT_WTMP_FILE
# endif
#endif

#if !defined(LASTLOG_FILE)
# if defined(_PATH_LASTLOG)
#  define LASTLOG_FILE _PATH_LASTLOG
# elif defined(PT_LASTLOG_FILE)
#  define LASTLOG_FILE PT_LASTLOG_FILE
# endif
#endif

#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>

static void
write_record (const char *path, off_t pos, const void *record, size_t size)
{
  int fd = open (path, O_WRONLY);
  if (fd >= 0)
    {
      pwrite (fd, record, size, pos * size);
      close (fd);
    }
}

/* ------------------------------------------------------------------------- */
/*
 * Update a BSD style wtmp entry
 */
#if defined(WTMP_SUPPORT) && !defined(HAVE_UPDWTMP)
static void
updwtmp (const char *fname, const struct utmp *ut)
{
  int             fd, gotlock, retry;
  struct flock    lck;  /* fcntl locking scheme */
  struct stat     sbuf;

  if ((fd = open (fname, O_WRONLY | O_APPEND, 0)) < 0)
    return;

  lck.l_whence = SEEK_END;      /* start lock at current eof */
  lck.l_len = 0;                /* end at ``largest possible eof'' */
  lck.l_start = 0;
  lck.l_type = F_WRLCK; /* we want a write lock */

  /* attempt lock with F_SETLK; F_SETLKW would cause a deadlock! */
  for (retry = 10, gotlock = 0; retry--;)
    if (fcntl (fd, F_SETLK, &lck) != -1)
      {
        gotlock = 1;
        break;
      }
    else if (errno != EAGAIN && errno != EACCES)
      break;

  if (gotlock)
    {
      if (fstat (fd, &sbuf) == 0)
        if (write (fd, ut, sizeof (struct utmp)) != sizeof (struct utmp))
          ftruncate (fd, sbuf.st_size); /* remove bad writes */

      lck.l_type = F_UNLCK;     /* unlocking the file */
      fcntl (fd, F_SETLK, &lck);
    }

  close (fd);
}
#endif

/* ------------------------------------------------------------------------- */
#ifdef LASTLOG_SUPPORT
static void
update_lastlog (const char *pty, const char *host)
{
# ifdef HAVE_STRUCT_LASTLOG
  struct lastlog ll;

  memset (&ll, 0, sizeof (ll));
  ll.ll_time = time (NULL);
  strncpy (ll.ll_line, pty, sizeof (ll.ll_line));
  strncpy (ll.ll_host, host, sizeof (ll.ll_host));
  write_record (LASTLOG_FILE, getuid (), &ll, sizeof (ll));
# endif /* HAVE_STRUCT_LASTLOG */
}
#endif /* LASTLOG_SUPPORT */

static void
fill_utmp (struct utmp *ut, bool login, int pid, const char *line, const char *user, const char *host)
{
  memset (ut, 0, sizeof (struct utmp));

  strncpy (ut->ut_line, line, sizeof (ut->ut_line));
#ifdef HAVE_UTMP_PID
  fill_id (ut->ut_id, line, sizeof (ut->ut_id));
  ut->ut_pid = pid;
  ut->ut_type = login ? USER_PROCESS : DEAD_PROCESS;
#endif
  ut->ut_time = time (NULL);

  if (login)
    {
#ifdef HAVE_UTMP_PID
      strncpy (ut->ut_user, user, sizeof (ut->ut_user));
#else
      strncpy (ut->ut_name, user, sizeof (ut->ut_name));
#endif
#ifdef HAVE_UTMP_HOST
      strncpy (ut->ut_host, host, sizeof (ut->ut_host));
#endif
    }
}

void
ptytty_unix::log_session (bool login, const char *hostname)
{
  struct passwd *pwent = getpwuid (getuid ());
  const char *user = (pwent && pwent->pw_name) ? pwent->pw_name : "?";

  const char *pty = name;

  if (!strncmp (pty, "/dev/", 5))
    pty += 5;           /* skip /dev/ prefix */

  struct utmp *tmput;
  struct utmp ut;
  fill_utmp (&ut, login, cmd_pid, pty, user, hostname);

#ifdef HAVE_UTMP_PID
  setutent ();
  if (login || ((tmput = getutid (&ut)) && tmput->ut_pid == cmd_pid))
    pututline (&ut);
  endutent ();
#else
  if (utmp_pos > 0)
    write_record (UTMP_FILE, utmp_pos, &ut, sizeof (ut));
#endif

  if (login_shell)
    {
#ifdef WTMP_SUPPORT
      updwtmp (WTMP_FILE, &ut);
#endif

#ifdef LASTLOG_SUPPORT
    if (login)
      {
        if (pwent)
          update_lastlog (pty, hostname);
        else
          PTYTTY_WARN ("no entry in password file, not updating lastlog.\n");
      }
#endif
    }
}

#endif

Revision:	1.72
Committed:	Tue May 25 13:51:22 2021 UTC (5 years, 3 months ago) by sf-exg
Content type:	text/plain
Branch:	MAIN
Changes since 1.71:	+4 -5 lines
Log Message:	Include microseconds in utmpx and lastlogx time
#	User	Rev	Content
1	root	1.6	/----------------------------------------------------------------------
2	root	1.1	* File: logging.C
3			----------------------------------------------------------------------
4			*
5			* All portions of code are copyright by their respective author/s.
6			* Copyright (c) 1992 John Bovey <jdb@ukc.ac.uk>
7			* - original version
8			* Copyright (c) 1993 lipka
9			* Copyright (c) 1993 Brian Stempien <stempien@cs.wmich.edu>
10			* Copyright (c) 1995 Raul Garcia Garcia <rgg@tid.es>
11			* Copyright (c) 1995 Piet W. Plomp <piet@idefix.icce.rug.nl>
12			* Copyright (c) 1997 Raul Garcia Garcia <rgg@tid.es>
13			* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
14			* - extensive modifications
15			* Copyright (c) 1999 D J Hawkey Jr <hawkeyd@visi.com>
16			* - lastlog support
17	sf-exg	1.30	* Copyright (c) 2004-2006 Marc Lehmann <schmorp@schmorp.de>
18	sf-exg	1.71	* Copyright (c) 2006-2021 Emanuele Giaquinta <e.giaquinta@glauco.it>
19	root	1.1	*
20			* This program is free software; you can redistribute it and/or modify
21			* it under the terms of the GNU General Public License as published by
22	sf-exg	1.68	* the Free Software Foundation; either version 2 of the License, or
23	root	1.1	* (at your option) any later version.
24			*
25			* This program is distributed in the hope that it will be useful,
26			* but WITHOUT ANY WARRANTY; without even the implied warranty of
27			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
28			* GNU General Public License for more details.
29			*
30			* You should have received a copy of the GNU General Public License
31			* along with this program; if not, write to the Free Software
32			* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
33			----------------------------------------------------------------------/
34
35	sf-exg	1.26	#include "config.h"
36	root	1.4
37	root	1.10	#include "ptytty.h"
38
39	sf-exg	1.71	#include <pwd.h>
40			#include <stdio.h>
41			#include <string.h>
42	sf-exg	1.69	#include <sys/types.h>
43	sf-exg	1.71	#include <unistd.h>
44
45			static void
46			fill_id (char id, const char line, size_t id_size)
47			{
48			size_t len = strlen (line);
49
50			if (len > id_size)
51			line += len - id_size;
52			strncpy (id, line, id_size);
53			}
54
55			/*
56			* BSD style utmp entry
57			* ut_line, ut_name, ut_host, ut_time
58			* SYSV style utmp (and utmpx) entry
59			* ut_user, ut_id, ut_line, ut_pid, ut_type, ut_exit, ut_time
60			*/
61
62			#if defined(USE_UTMPX)
63
64	sf-exg	1.72	#include <sys/time.h>
65	sf-exg	1.71	#include <utmpx.h>
66	sf-exg	1.69
67	sf-exg	1.71	#if !defined(WTMPX_FILE)
68			# if defined(_PATH_WTMPX)
69			# define WTMPX_FILE _PATH_WTMPX
70			# elif defined(PT_WTMPX_FILE)
71			# define WTMPX_FILE PT_WTMPX_FILE
72			# endif
73			#endif
74	root	1.10
75	sf-exg	1.71	#if !defined(LASTLOGX_FILE)
76			# if defined(_PATH_LASTLOGX)
77			# define LASTLOGX_FILE _PATH_LASTLOGX
78			# elif defined(PT_LASTLOGX_FILE)
79			# define LASTLOGX_FILE PT_LASTLOGX_FILE
80			# endif
81	sf-exg	1.56	#endif
82	sf-exg	1.71
83			#ifdef LASTLOG_SUPPORT
84			static void
85			update_lastlog (const char pty, const char host)
86			{
87			# if defined(HAVE_STRUCT_LASTLOGX) && defined(HAVE_UPDLASTLOGX)
88			struct lastlogx llx;
89
90			memset (&llx, 0, sizeof (llx));
91	sf-exg	1.72	gettimeofday (&llx.ll_tv, 0);
92	sf-exg	1.71	strncpy (llx.ll_line, pty, sizeof (llx.ll_line));
93			strncpy (llx.ll_host, host, sizeof (llx.ll_host));
94			updlastlogx (LASTLOGX_FILE, getuid (), &llx);
95			# endif
96			}
97	sf-exg	1.56	#endif
98	sf-exg	1.71
99			static void
100			fill_utmpx (struct utmpx utx, bool login, int pid, const char line, const char user, const char host)
101			{
102			memset (utx, 0, sizeof (struct utmpx));
103
104			// posix says that ut_line is not meaningful for DEAD_PROCESS
105			// records, but most implementations of last use ut_line to
106			// associate records in wtmp file
107			strncpy (utx->ut_line, line, sizeof (utx->ut_line));
108			fill_id (utx->ut_id, line, sizeof (utx->ut_id));
109			utx->ut_pid = pid;
110			utx->ut_type = login ? USER_PROCESS : DEAD_PROCESS;
111	sf-exg	1.72	gettimeofday (&utx->ut_tv, 0);
112	sf-exg	1.71
113			// posix says that ut_user is not meaningful for DEAD_PROCESS
114			// records, but solaris utmp_update helper requires that the ut_user
115			// field of a DEAD_PROCESS entry matches the one of an existing
116			// USER_PROCESS entry for the same line, if any
117			strncpy (utx->ut_user, user, sizeof (utx->ut_user));
118
119			#ifdef HAVE_UTMPX_HOST
120			if (login)
121			strncpy (utx->ut_host, host, sizeof (utx->ut_host));
122			#endif
123			}
124
125			void
126			ptytty_unix::log_session (bool login, const char *hostname)
127			{
128			struct passwd *pwent = getpwuid (getuid ());
129			const char *user = (pwent && pwent->pw_name) ? pwent->pw_name : "?";
130
131			const char *pty = name;
132
133			if (!strncmp (pty, "/dev/", 5))
134			pty += 5; /* skip /dev/ prefix */
135
136			struct utmpx *tmputx;
137			struct utmpx utx;
138			fill_utmpx (&utx, login, cmd_pid, pty, user, hostname);
139
140			setutxent ();
141			if (login \|\| ((tmputx = getutxid (&utx)) && tmputx->ut_pid == cmd_pid))
142			pututxline (&utx);
143			endutxent ();
144
145			if (login_shell)
146			{
147			#if defined(WTMP_SUPPORT) && defined(HAVE_UPDWTMPX)
148			updwtmpx (WTMPX_FILE, &utx);
149			#endif
150
151			#ifdef LASTLOG_SUPPORT
152			if (login)
153			{
154			if (pwent)
155			update_lastlog (pty, hostname);
156			else
157			PTYTTY_WARN ("no entry in password file, not updating lastlog.\n");
158			}
159			#endif
160			}
161			}
162
163			#elif defined(USE_UTMP)
164
165	sf-exg	1.72	#include <time.h>
166	sf-exg	1.71	#include <utmp.h>
167	sf-exg	1.56	#ifdef HAVE_LASTLOG_H
168			# include <lastlog.h>
169			#endif
170
171	sf-exg	1.58	#if !defined(UTMP_FILE)
172			# if defined(_PATH_UTMP)
173			# define UTMP_FILE _PATH_UTMP
174			# elif defined(PT_UTMP_FILE)
175			# define UTMP_FILE PT_UTMP_FILE
176			# endif
177			#endif
178	sf-exg	1.71
179	sf-exg	1.58	#if !defined(WTMP_FILE)
180			# if defined(_PATH_WTMP)
181			# define WTMP_FILE _PATH_WTMP
182			# elif defined(PT_WTMP_FILE)
183			# define WTMP_FILE PT_WTMP_FILE
184			# endif
185			#endif
186	sf-exg	1.71
187	sf-exg	1.58	#if !defined(LASTLOG_FILE)
188			# if defined(_PATH_LASTLOG)
189			# define LASTLOG_FILE _PATH_LASTLOG
190			# elif defined(PT_LASTLOG_FILE)
191			# define LASTLOG_FILE PT_LASTLOG_FILE
192			# endif
193			#endif
194	root	1.7
195			#include <sys/stat.h>
196	ayin	1.23	#include <fcntl.h>
197	ayin	1.24	#include <errno.h>
198	root	1.7
199	sf-exg	1.53	static void
200	sf-exg	1.70	write_record (const char path, off_t pos, const void record, size_t size)
201	ayin	1.12	{
202	sf-exg	1.70	int fd = open (path, O_WRONLY);
203			if (fd >= 0)
204			{
205			pwrite (fd, record, size, pos * size);
206			close (fd);
207			}
208	ayin	1.12	}
209
210			/* ------------------------------------------------------------------------- */
211			/*
212			* Update a BSD style wtmp entry
213			*/
214	sf-exg	1.71	#if defined(WTMP_SUPPORT) && !defined(HAVE_UPDWTMP)
215	ayin	1.12	static void
216	sf-exg	1.71	updwtmp (const char fname, const struct utmp ut)
217	ayin	1.12	{
218	sf-exg	1.29	int fd, gotlock, retry;
219	ayin	1.12	struct flock lck; /* fcntl locking scheme */
220			struct stat sbuf;
221
222			if ((fd = open (fname, O_WRONLY \| O_APPEND, 0)) < 0)
223			return;
224
225			lck.l_whence = SEEK_END; /* start lock at current eof */
226			lck.l_len = 0; /* end at ``largest possible eof'' */
227			lck.l_start = 0;
228			lck.l_type = F_WRLCK; /* we want a write lock */
229
230			/* attempt lock with F_SETLK; F_SETLKW would cause a deadlock! */
231	sf-exg	1.29	for (retry = 10, gotlock = 0; retry--;)
232	ayin	1.12	if (fcntl (fd, F_SETLK, &lck) != -1)
233			{
234	sf-exg	1.29	gotlock = 1;
235	ayin	1.12	break;
236			}
237			else if (errno != EAGAIN && errno != EACCES)
238	sf-exg	1.29	break;
239	sf-exg	1.57
240			if (gotlock)
241	sf-exg	1.29	{
242	sf-exg	1.57	if (fstat (fd, &sbuf) == 0)
243			if (write (fd, ut, sizeof (struct utmp)) != sizeof (struct utmp))
244			ftruncate (fd, sbuf.st_size); /* remove bad writes */
245
246			lck.l_type = F_UNLCK; /* unlocking the file */
247			fcntl (fd, F_SETLK, &lck);
248	sf-exg	1.29	}
249	ayin	1.12
250			close (fd);
251			}
252			#endif
253
254			/* ------------------------------------------------------------------------- */
255			#ifdef LASTLOG_SUPPORT
256			static void
257	sf-exg	1.31	update_lastlog (const char pty, const char host)
258	ayin	1.12	{
259			# ifdef HAVE_STRUCT_LASTLOG
260	sf-exg	1.70	struct lastlog ll;
261	ayin	1.12
262			memset (&ll, 0, sizeof (ll));
263			ll.ll_time = time (NULL);
264			strncpy (ll.ll_line, pty, sizeof (ll.ll_line));
265			strncpy (ll.ll_host, host, sizeof (ll.ll_host));
266	sf-exg	1.70	write_record (LASTLOG_FILE, getuid (), &ll, sizeof (ll));
267	ayin	1.17	# endif /* HAVE_STRUCT_LASTLOG */
268	ayin	1.12	}
269	ayin	1.17	#endif /* LASTLOG_SUPPORT */
270	ayin	1.12
271	sf-exg	1.32	static void
272	sf-exg	1.45	fill_utmp (struct utmp ut, bool login, int pid, const char line, const char user, const char host)
273	sf-exg	1.32	{
274			memset (ut, 0, sizeof (struct utmp));
275
276	sf-exg	1.40	strncpy (ut->ut_line, line, sizeof (ut->ut_line));
277	sf-exg	1.71	#ifdef HAVE_UTMP_PID
278	sf-exg	1.45	fill_id (ut->ut_id, line, sizeof (ut->ut_id));
279	sf-exg	1.32	ut->ut_pid = pid;
280	sf-exg	1.35	ut->ut_type = login ? USER_PROCESS : DEAD_PROCESS;
281	sf-exg	1.71	#endif
282	sf-exg	1.32	ut->ut_time = time (NULL);
283
284			if (login)
285			{
286	sf-exg	1.71	#ifdef HAVE_UTMP_PID
287	sf-exg	1.32	strncpy (ut->ut_user, user, sizeof (ut->ut_user));
288	sf-exg	1.71	#else
289	sf-exg	1.32	strncpy (ut->ut_name, user, sizeof (ut->ut_name));
290	sf-exg	1.71	#endif
291			#ifdef HAVE_UTMP_HOST
292	sf-exg	1.32	strncpy (ut->ut_host, host, sizeof (ut->ut_host));
293			#endif
294			}
295			}
296	sf-exg	1.54
297			void
298			ptytty_unix::log_session (bool login, const char *hostname)
299			{
300	root	1.1	struct passwd *pwent = getpwuid (getuid ());
301	sf-exg	1.39	const char *user = (pwent && pwent->pw_name) ? pwent->pw_name : "?";
302	root	1.1
303	sf-exg	1.54	const char *pty = name;
304
305	root	1.1	if (!strncmp (pty, "/dev/", 5))
306			pty += 5; /* skip /dev/ prefix */
307
308	sf-exg	1.54	struct utmp *tmput;
309	sf-exg	1.55	struct utmp ut;
310			fill_utmp (&ut, login, cmd_pid, pty, user, hostname);
311	root	1.1
312	sf-exg	1.71	#ifdef HAVE_UTMP_PID
313	sf-exg	1.37	setutent ();
314	sf-exg	1.55	if (login \|\| ((tmput = getutid (&ut)) && tmput->ut_pid == cmd_pid))
315			pututline (&ut);
316	sf-exg	1.42	endutent ();
317	sf-exg	1.71	#else
318	sf-exg	1.70	if (utmp_pos > 0)
319			write_record (UTMP_FILE, utmp_pos, &ut, sizeof (ut));
320	root	1.1	#endif
321
322	root	1.2	if (login_shell)
323	root	1.1	{
324	sf-exg	1.71	#ifdef WTMP_SUPPORT
325	sf-exg	1.55	updwtmp (WTMP_FILE, &ut);
326	root	1.1	#endif
327	sf-exg	1.54
328	sf-exg	1.31	#ifdef LASTLOG_SUPPORT
329	sf-exg	1.54	if (login)
330	sf-exg	1.60	{
331			if (pwent)
332			update_lastlog (pty, hostname);
333			else
334	sf-exg	1.66	PTYTTY_WARN ("no entry in password file, not updating lastlog.\n");
335	sf-exg	1.60	}
336	root	1.1	#endif
337	sf-exg	1.71	}
338	root	1.1	}
339
340	root	1.5	#endif
341