libptytty/src/logging.C

// This file is part of libptytty. Do not make local modifications.
// http://software.schmorp.de/pkg/libptytty

/*----------------------------------------------------------------------*
 * 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 <pcg@goof.com>
 * Copyright (c) 2006      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"

#if UTMP_SUPPORT

#include <cstdio>

#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <time.h>
#include <errno.h>

/*
 * 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
 */

/* ------------------------------------------------------------------------- */
/*
 * Write a BSD style utmp entry
 */
#if defined(HAVE_STRUCT_UTMP) && !defined(HAVE_UTMP_PID)
static int
write_bsd_utmp (int utmp_pos, struct utmp *wu)
{
  int             fd;

  if (utmp_pos <= 0 || (fd = open (UTMP_FILE, O_WRONLY)) == -1)
    return 0;

  if (lseek (fd, (off_t) (utmp_pos * sizeof (struct utmp)), SEEK_SET) != -1)
    write (fd, wu, sizeof (struct utmp));
  close (fd);
  return 1;
}
#endif

/* ------------------------------------------------------------------------- */
/*
 * Update a BSD style wtmp entry
 */
#if defined(WTMP_SUPPORT) && !defined(HAVE_UPDWTMP) && defined(HAVE_STRUCT_UTMP)
static void
update_wtmp (const char *fname, const struct utmp *putmp)
{
  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)
    {
      /* give it up */
      close (fd);
      return;
    }
  if (fstat (fd, &sbuf) == 0)
    if (write (fd, putmp, 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 *fname, const char *pty, const char *host)
{
# if defined(HAVE_STRUCT_LASTLOGX) && defined(HAVE_UPDLASTLOGX)
  struct lastlogx llx;
# endif
# ifdef HAVE_STRUCT_LASTLOG
  int             fd;
  struct lastlog  ll;
  char            lastlogfile[256];
  struct passwd  *pwent;
  struct stat     st;
# endif

# if defined(HAVE_STRUCT_LASTLOGX) && defined(HAVE_UPDLASTLOGX)
  memset (&llx, 0, sizeof (llx));
  llx.ll_tv.tv_sec = time (NULL);
  llx.ll_tv.tv_usec = 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

# ifdef HAVE_STRUCT_LASTLOG
  pwent = getpwuid (getuid ());
  if (!pwent)
    {
      ptytty_warn ("no entry in password file, not updating lastlog.\n", 0);
      return;
    }

  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));
  if (stat (fname, &st) != 0)
    return;
  if (S_ISDIR (st.st_mode))
    {
      sprintf (lastlogfile, "%.*s/%.*s",
               (int)(sizeof (lastlogfile) - sizeof (pwent->pw_name) - 2), fname,
               (int)sizeof (pwent->pw_name),
               (!pwent->pw_name || pwent->pw_name[0] == '\0') ? "unknown"
               : pwent->pw_name);
      if ((fd = open (lastlogfile, O_WRONLY | O_CREAT, 0644)) >= 0)
        {
          write (fd, &ll, sizeof (ll));
          close (fd);
        }
    }
  else if (S_ISREG (st.st_mode))
    if ((fd = open (fname, O_RDWR)) != -1)
      {
        if (lseek (fd, (off_t) ((long)pwent->pw_uid * sizeof (ll)),
                   SEEK_SET) != -1)
          write (fd, &ll, sizeof (ll));
        close (fd);
      }
# endif /* HAVE_STRUCT_LASTLOG */
}
#endif /* LASTLOG_SUPPORT */

/* ------------------------------------------------------------------------- */

/*
 * make and write utmp and wtmp entries
 */
void
ptytty_unix::login (int cmd_pid, bool login_shell, const char *hostname)
{
  const char *pty = name;

  if (!pty || !*pty)
    return;

  this->cmd_pid     = cmd_pid;
  this->login_shell = login_shell;

#ifdef HAVE_STRUCT_UTMP
  struct utmp *ut = &this->ut;
#endif
#ifdef HAVE_STRUCT_UTMPX
  struct utmpx *utx = &this->utx;
#endif
  int i;
  struct passwd *pwent = getpwuid (getuid ());
  const char *name = (pwent && pwent->pw_name) ? pwent->pw_name : "?";

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

#if defined(HAVE_UTMP_PID) || defined(HAVE_STRUCT_UTMPX)
  if (!strncmp (pty, "pty", 3) || !strncmp (pty, "tty", 3))
    strncpy (ut_id, pty + 3, sizeof (ut_id));
  else if (sscanf (pty, "pts/%d", &i) == 1)
    sprintf (ut_id, "vt%02x", (i & 0xff));      /* sysv naming */
  else
    {
      ptytty_warn ("can't parse tty name \"%s\", not adding utmp entry.\n", pty);
      return;
    }
#endif

#ifdef HAVE_STRUCT_UTMP
  memset (ut, 0, sizeof (struct utmp));
# ifdef HAVE_UTMP_PID
  setutent ();
  strncpy (ut->ut_id, ut_id, sizeof (ut->ut_id));
  ut->ut_type = DEAD_PROCESS;
  getutid (ut);         /* position to entry in utmp file */
# endif
#endif

#ifdef HAVE_STRUCT_UTMPX
  memset (utx, 0, sizeof (struct utmpx));
  setutxent ();
  strncpy (utx->ut_id, ut_id, sizeof (utx->ut_id));
  utx->ut_type = DEAD_PROCESS;
  getutxid (utx);               /* position to entry in utmp file */
#endif

#ifdef HAVE_STRUCT_UTMP
  strncpy (ut->ut_line, pty, sizeof (ut->ut_line));
# ifdef HAVE_UTMP_HOST
  strncpy (ut->ut_host, hostname, sizeof (ut->ut_host));
# endif
  ut->ut_time = time (NULL);
# ifdef HAVE_UTMP_PID
  strncpy (ut->ut_user, name, sizeof (ut->ut_user));
  strncpy (ut->ut_id, ut_id, sizeof (ut->ut_id));
  ut->ut_pid = cmd_pid;
  ut->ut_type = USER_PROCESS;
  pututline (ut);
  endutent ();                  /* close the file */
  utmp_pos = 0;
# else
  strncpy (ut->ut_name, name, sizeof (ut->ut_name));
# endif
#endif

#ifdef HAVE_STRUCT_UTMPX
  strncpy (utx->ut_line, pty, sizeof (utx->ut_line));
  strncpy (utx->ut_user, name, sizeof (utx->ut_user));
  strncpy (utx->ut_id, ut_id, sizeof (utx->ut_id));
# if HAVE_UTMPX_SESSION
  utx->ut_session = getsid (0);
# endif
  utx->ut_tv.tv_sec = time (NULL);
  utx->ut_tv.tv_usec = 0;
  utx->ut_pid = cmd_pid;
# ifdef HAVE_UTMPX_HOST
  strncpy (utx->ut_host, hostname, sizeof (utx->ut_host));
#  if 0
  {
    char           *colon;

    if ((colon = strrchr (ut->ut_host, ':')) != NULL)
      *colon = '\0';
  }
#  endif
# endif
  utx->ut_type = USER_PROCESS;
  pututxline (utx);
  endutxent ();         /* close the file */
  utmp_pos = 0;
#endif

#if defined(HAVE_STRUCT_UTMP) && !defined(HAVE_UTMP_PID)
  {
# if 1
    int fdstdin = dup (STDIN_FILENO);
    dup2 (tty, STDIN_FILENO);

    i = ttyslot ();
    if (write_bsd_utmp (i, ut))
      utmp_pos = i;

    dup2 (fdstdin, STDIN_FILENO);
    close (fdstdin);
# endif
  }
#endif

#ifdef WTMP_SUPPORT
#ifdef LOG_ONLY_ON_LOGIN
  if (login_shell)
#endif
    {
# ifdef HAVE_STRUCT_UTMP
#  ifdef HAVE_UPDWTMP
      updwtmp (WTMP_FILE, ut);
#  else
      update_wtmp (WTMP_FILE, ut);
#  endif
# endif
# if defined(HAVE_STRUCT_UTMPX) && defined(HAVE_UPDWTMPX)
      updwtmpx (WTMPX_FILE, utx);
# endif
    }
#endif
#if defined(LASTLOG_SUPPORT) && defined(LASTLOG_FILE)
#ifdef LOG_ONLY_ON_LOGIN
  if (login_shell)
#endif
    update_lastlog (LASTLOG_FILE, pty, hostname);
#endif
}

/* ------------------------------------------------------------------------- */
/*
 * remove utmp and wtmp entries
 */
void
ptytty_unix::logout ()
{
  if (!cmd_pid)
    return;

#ifdef HAVE_STRUCT_UTMP
  struct utmp *tmput, *ut = &this->ut;
#endif
#ifdef HAVE_STRUCT_UTMPX
  struct utmpx *tmputx, *utx = &this->utx;
#endif

#ifdef HAVE_STRUCT_UTMP
# ifdef HAVE_UTMP_PID
  memset (ut, 0, sizeof (struct utmp));
  setutent ();
  strncpy (ut->ut_id, this->ut_id, sizeof (ut->ut_id));
  ut->ut_type = USER_PROCESS;
  if ((tmput = getutid (ut)))           /* position to entry in utmp file */
    ut = tmput;
  ut->ut_type = DEAD_PROCESS;
# else
  memset (ut->ut_name, 0, sizeof (ut->ut_name));
#  ifdef HAVE_UTMP_HOST
  memset (ut->ut_host, 0, sizeof (ut->ut_host));
#  endif
# endif
  ut->ut_time = time (NULL);
#endif

#ifdef HAVE_STRUCT_UTMPX
  memset (utx, 0, sizeof (struct utmpx));
  setutxent ();
  strncpy (utx->ut_id, this->ut_id, sizeof (utx->ut_id));
  utx->ut_type = USER_PROCESS;
  if ((tmputx = getutxid (utx)))        /* position to entry in utmp file */
    utx = tmputx;
  utx->ut_type = DEAD_PROCESS;
# if HAVE_UTMPX_SESSION
  utx->ut_session = getsid (0);
# endif
  utx->ut_tv.tv_sec = time (NULL);
  utx->ut_tv.tv_usec = 0;
#endif

  /*
   * Write ending wtmp entry
   */
#ifdef WTMP_SUPPORT
#ifdef LOG_ONLY_ON_LOGIN
  if (login_shell)
#endif
    {
# ifdef HAVE_STRUCT_UTMP
#  ifdef HAVE_UPDWTMP
      updwtmp (WTMP_FILE, ut);
#  else
      update_wtmp (WTMP_FILE, ut);
#  endif
# endif
# if defined(HAVE_STRUCT_UTMPX) && defined(HAVE_UPDWTMPX)
      updwtmpx (WTMPX_FILE, utx);
# endif
    }
#endif

  /*
   * Write utmp entry
   */
#ifdef HAVE_STRUCT_UTMP
# ifdef HAVE_UTMP_PID
  if (ut->ut_pid == cmd_pid)
    pututline (ut);
  endutent ();
# else
  memset (ut, 0, sizeof (struct utmp));
  write_bsd_utmp (utmp_pos, ut);
# endif
#endif
#ifdef HAVE_STRUCT_UTMPX
  if (utx->ut_pid == cmd_pid)
    pututxline (utx);
  endutxent ();
#endif

  cmd_pid = 0;
}

#else
void
ptytty_unix::login (int cmd_pid, bool login_shell, const char *hostname)
{
}
#endif

Revision:	1.24
Committed:	Fri Dec 14 09:52:51 2007 UTC (18 years, 9 months ago) by ayin
Content type:	text/plain
Branch:	MAIN
Changes since 1.23:	+1 -0 lines
Log Message:	Include errno.h for errno.
#	User	Rev	Content
1	root	1.6	// This file is part of libptytty. Do not make local modifications.
2			// http://software.schmorp.de/pkg/libptytty
3
4			/----------------------------------------------------------------------
5	root	1.1	* File: logging.C
6			----------------------------------------------------------------------
7			*
8			* All portions of code are copyright by their respective author/s.
9			* Copyright (c) 1992 John Bovey <jdb@ukc.ac.uk>
10			* - original version
11			* Copyright (c) 1993 lipka
12			* Copyright (c) 1993 Brian Stempien <stempien@cs.wmich.edu>
13			* Copyright (c) 1995 Raul Garcia Garcia <rgg@tid.es>
14			* Copyright (c) 1995 Piet W. Plomp <piet@idefix.icce.rug.nl>
15			* Copyright (c) 1997 Raul Garcia Garcia <rgg@tid.es>
16			* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
17			* - extensive modifications
18			* Copyright (c) 1999 D J Hawkey Jr <hawkeyd@visi.com>
19			* - lastlog support
20	root	1.2	* Copyright (c) 2004-2006 Marc Lehmann <pcg@goof.com>
21	root	1.9	* Copyright (c) 2006 Emanuele Giaquinta <e.giaquinta@glauco.it>
22	root	1.1	*
23			* This program is free software; you can redistribute it and/or modify
24			* it under the terms of the GNU General Public License as published by
25			* the Free Software Foundation; either version 2 of the License, or
26			* (at your option) any later version.
27			*
28			* This program is distributed in the hope that it will be useful,
29			* but WITHOUT ANY WARRANTY; without even the implied warranty of
30			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
31			* GNU General Public License for more details.
32			*
33			* You should have received a copy of the GNU General Public License
34			* along with this program; if not, write to the Free Software
35			* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
36			----------------------------------------------------------------------/
37
38	root	1.2	#include "../config.h"
39	root	1.4
40	root	1.10	#include "ptytty.h"
41
42			#if UTMP_SUPPORT
43
44	root	1.7	#include <cstdio>
45
46			#include <sys/types.h>
47			#include <sys/stat.h>
48	ayin	1.23	#include <fcntl.h>
49	root	1.7	#include <unistd.h>
50			#include <time.h>
51	ayin	1.24	#include <errno.h>
52	root	1.7
53	root	1.1	/*
54			* BSD style utmp entry
55			* ut_line, ut_name, ut_host, ut_time
56			* SYSV style utmp (and utmpx) entry
57			* ut_user, ut_id, ut_line, ut_pid, ut_type, ut_exit, ut_time
58			*/
59
60			/* ------------------------------------------------------------------------- */
61	ayin	1.12	/*
62			* Write a BSD style utmp entry
63			*/
64			#if defined(HAVE_STRUCT_UTMP) && !defined(HAVE_UTMP_PID)
65			static int
66			write_bsd_utmp (int utmp_pos, struct utmp *wu)
67			{
68			int fd;
69
70			if (utmp_pos <= 0 \|\| (fd = open (UTMP_FILE, O_WRONLY)) == -1)
71			return 0;
72
73			if (lseek (fd, (off_t) (utmp_pos * sizeof (struct utmp)), SEEK_SET) != -1)
74			write (fd, wu, sizeof (struct utmp));
75			close (fd);
76			return 1;
77			}
78			#endif
79
80			/* ------------------------------------------------------------------------- */
81			/*
82			* Update a BSD style wtmp entry
83			*/
84			#if defined(WTMP_SUPPORT) && !defined(HAVE_UPDWTMP) && defined(HAVE_STRUCT_UTMP)
85			static void
86			update_wtmp (const char fname, const struct utmp putmp)
87			{
88			int fd, gotlock, retry;
89			struct flock lck; /* fcntl locking scheme */
90			struct stat sbuf;
91
92			if ((fd = open (fname, O_WRONLY \| O_APPEND, 0)) < 0)
93			return;
94
95			lck.l_whence = SEEK_END; /* start lock at current eof */
96			lck.l_len = 0; /* end at ``largest possible eof'' */
97			lck.l_start = 0;
98			lck.l_type = F_WRLCK; /* we want a write lock */
99
100			/* attempt lock with F_SETLK; F_SETLKW would cause a deadlock! */
101			for (retry = 10, gotlock = 0; retry--;)
102			if (fcntl (fd, F_SETLK, &lck) != -1)
103			{
104			gotlock = 1;
105			break;
106			}
107			else if (errno != EAGAIN && errno != EACCES)
108			break;
109			if (!gotlock)
110	ayin	1.22	{
111			/* give it up */
112	ayin	1.12	close (fd);
113			return;
114			}
115			if (fstat (fd, &sbuf) == 0)
116			if (write (fd, putmp, sizeof (struct utmp)) != sizeof (struct utmp))
117			ftruncate (fd, sbuf.st_size); /* remove bad writes */
118
119			lck.l_type = F_UNLCK; /* unlocking the file */
120			fcntl (fd, F_SETLK, &lck);
121			close (fd);
122			}
123			#endif
124
125			/* ------------------------------------------------------------------------- */
126			#ifdef LASTLOG_SUPPORT
127			static void
128			update_lastlog (const char fname, const char pty, const char *host)
129			{
130			# if defined(HAVE_STRUCT_LASTLOGX) && defined(HAVE_UPDLASTLOGX)
131			struct lastlogx llx;
132			# endif
133			# ifdef HAVE_STRUCT_LASTLOG
134			int fd;
135			struct lastlog ll;
136			char lastlogfile[256];
137			struct passwd *pwent;
138	ayin	1.13	struct stat st;
139	ayin	1.12	# endif
140
141			# if defined(HAVE_STRUCT_LASTLOGX) && defined(HAVE_UPDLASTLOGX)
142			memset (&llx, 0, sizeof (llx));
143			llx.ll_tv.tv_sec = time (NULL);
144			llx.ll_tv.tv_usec = 0;
145			strncpy (llx.ll_line, pty, sizeof (llx.ll_line));
146			strncpy (llx.ll_host, host, sizeof (llx.ll_host));
147			updlastlogx (LASTLOGX_FILE, getuid (), &llx);
148			# endif
149
150			# ifdef HAVE_STRUCT_LASTLOG
151			pwent = getpwuid (getuid ());
152			if (!pwent)
153			{
154			ptytty_warn ("no entry in password file, not updating lastlog.\n", 0);
155			return;
156			}
157
158			memset (&ll, 0, sizeof (ll));
159			ll.ll_time = time (NULL);
160			strncpy (ll.ll_line, pty, sizeof (ll.ll_line));
161			strncpy (ll.ll_host, host, sizeof (ll.ll_host));
162	ayin	1.13	if (stat (fname, &st) != 0)
163			return;
164			if (S_ISDIR (st.st_mode))
165			{
166	ayin	1.14	sprintf (lastlogfile, "%.s/%.s",
167	ayin	1.18	(int)(sizeof (lastlogfile) - sizeof (pwent->pw_name) - 2), fname,
168			(int)sizeof (pwent->pw_name),
169	ayin	1.14	(!pwent->pw_name \|\| pwent->pw_name[0] == '\0') ? "unknown"
170			: pwent->pw_name);
171			if ((fd = open (lastlogfile, O_WRONLY \| O_CREAT, 0644)) >= 0)
172			{
173			write (fd, &ll, sizeof (ll));
174			close (fd);
175			}
176	ayin	1.13	}
177			else if (S_ISREG (st.st_mode))
178	ayin	1.14	if ((fd = open (fname, O_RDWR)) != -1)
179			{
180			if (lseek (fd, (off_t) ((long)pwent->pw_uid * sizeof (ll)),
181			SEEK_SET) != -1)
182			write (fd, &ll, sizeof (ll));
183			close (fd);
184			}
185	ayin	1.17	# endif /* HAVE_STRUCT_LASTLOG */
186	ayin	1.12	}
187	ayin	1.17	#endif /* LASTLOG_SUPPORT */
188	ayin	1.12
189			/* ------------------------------------------------------------------------- */
190	root	1.1
191			/*
192			* make and write utmp and wtmp entries
193			*/
194			void
195	root	1.3	ptytty_unix::login (int cmd_pid, bool login_shell, const char *hostname)
196	root	1.1	{
197	root	1.2	const char *pty = name;
198
199			if (!pty \|\| !*pty)
200			return;
201
202			this->cmd_pid = cmd_pid;
203			this->login_shell = login_shell;
204
205	root	1.1	#ifdef HAVE_STRUCT_UTMP
206			struct utmp *ut = &this->ut;
207			#endif
208			#ifdef HAVE_STRUCT_UTMPX
209			struct utmpx *utx = &this->utx;
210			#endif
211			int i;
212			struct passwd *pwent = getpwuid (getuid ());
213	ayin	1.16	const char *name = (pwent && pwent->pw_name) ? pwent->pw_name : "?";
214	root	1.1
215			if (!strncmp (pty, "/dev/", 5))
216			pty += 5; /* skip /dev/ prefix */
217
218	root	1.2	#if defined(HAVE_UTMP_PID) \|\| defined(HAVE_STRUCT_UTMPX)
219	root	1.1	if (!strncmp (pty, "pty", 3) \|\| !strncmp (pty, "tty", 3))
220			strncpy (ut_id, pty + 3, sizeof (ut_id));
221			else if (sscanf (pty, "pts/%d", &i) == 1)
222			sprintf (ut_id, "vt%02x", (i & 0xff)); /* sysv naming */
223	ayin	1.20	else
224	root	1.1	{
225	root	1.7	ptytty_warn ("can't parse tty name \"%s\", not adding utmp entry.\n", pty);
226	root	1.1	return;
227			}
228			#endif
229
230			#ifdef HAVE_STRUCT_UTMP
231			memset (ut, 0, sizeof (struct utmp));
232			# ifdef HAVE_UTMP_PID
233			setutent ();
234			strncpy (ut->ut_id, ut_id, sizeof (ut->ut_id));
235			ut->ut_type = DEAD_PROCESS;
236			getutid (ut); /* position to entry in utmp file */
237			# endif
238			#endif
239
240			#ifdef HAVE_STRUCT_UTMPX
241			memset (utx, 0, sizeof (struct utmpx));
242			setutxent ();
243			strncpy (utx->ut_id, ut_id, sizeof (utx->ut_id));
244			utx->ut_type = DEAD_PROCESS;
245			getutxid (utx); /* position to entry in utmp file */
246			#endif
247
248			#ifdef HAVE_STRUCT_UTMP
249			strncpy (ut->ut_line, pty, sizeof (ut->ut_line));
250	ayin	1.21	# ifdef HAVE_UTMP_HOST
251			strncpy (ut->ut_host, hostname, sizeof (ut->ut_host));
252			# endif
253	root	1.1	ut->ut_time = time (NULL);
254			# ifdef HAVE_UTMP_PID
255	ayin	1.16	strncpy (ut->ut_user, name, sizeof (ut->ut_user));
256	root	1.1	strncpy (ut->ut_id, ut_id, sizeof (ut->ut_id));
257			ut->ut_pid = cmd_pid;
258			ut->ut_type = USER_PROCESS;
259			pututline (ut);
260			endutent (); /* close the file */
261			utmp_pos = 0;
262			# else
263	ayin	1.16	strncpy (ut->ut_name, name, sizeof (ut->ut_name));
264	root	1.1	# endif
265			#endif
266
267			#ifdef HAVE_STRUCT_UTMPX
268			strncpy (utx->ut_line, pty, sizeof (utx->ut_line));
269	ayin	1.16	strncpy (utx->ut_user, name, sizeof (utx->ut_user));
270	root	1.1	strncpy (utx->ut_id, ut_id, sizeof (utx->ut_id));
271			# if HAVE_UTMPX_SESSION
272			utx->ut_session = getsid (0);
273			# endif
274			utx->ut_tv.tv_sec = time (NULL);
275			utx->ut_tv.tv_usec = 0;
276			utx->ut_pid = cmd_pid;
277			# ifdef HAVE_UTMPX_HOST
278			strncpy (utx->ut_host, hostname, sizeof (utx->ut_host));
279			# if 0
280			{
281			char *colon;
282
283			if ((colon = strrchr (ut->ut_host, ':')) != NULL)
284			*colon = '\0';
285			}
286			# endif
287			# endif
288			utx->ut_type = USER_PROCESS;
289			pututxline (utx);
290			endutxent (); /* close the file */
291			utmp_pos = 0;
292			#endif
293
294			#if defined(HAVE_STRUCT_UTMP) && !defined(HAVE_UTMP_PID)
295			{
296	ayin	1.15	# if 1
297	root	1.2	int fdstdin = dup (STDIN_FILENO);
298			dup2 (tty, STDIN_FILENO);
299
300	root	1.1	i = ttyslot ();
301	root	1.3	if (write_bsd_utmp (i, ut))
302	root	1.1	utmp_pos = i;
303	root	1.2
304			dup2 (fdstdin, STDIN_FILENO);
305			close (fdstdin);
306	root	1.1	# endif
307			}
308			#endif
309
310			#ifdef WTMP_SUPPORT
311	root	1.2	#ifdef LOG_ONLY_ON_LOGIN
312			if (login_shell)
313			#endif
314	root	1.1	{
315			# ifdef HAVE_STRUCT_UTMP
316			# ifdef HAVE_UPDWTMP
317	root	1.3	updwtmp (WTMP_FILE, ut);
318	root	1.1	# else
319	root	1.3	update_wtmp (WTMP_FILE, ut);
320	root	1.1	# endif
321			# endif
322	root	1.2	# if defined(HAVE_STRUCT_UTMPX) && defined(HAVE_UPDWTMPX)
323	root	1.3	updwtmpx (WTMPX_FILE, utx);
324	root	1.1	# endif
325			}
326			#endif
327	root	1.3	#if defined(LASTLOG_SUPPORT) && defined(LASTLOG_FILE)
328	root	1.2	#ifdef LOG_ONLY_ON_LOGIN
329			if (login_shell)
330			#endif
331	root	1.3	update_lastlog (LASTLOG_FILE, pty, hostname);
332	root	1.1	#endif
333			}
334
335			/* ------------------------------------------------------------------------- */
336			/*
337			* remove utmp and wtmp entries
338			*/
339			void
340	root	1.3	ptytty_unix::logout ()
341	root	1.1	{
342	root	1.2	if (!cmd_pid)
343			return;
344
345	root	1.1	#ifdef HAVE_STRUCT_UTMP
346	root	1.2	struct utmp tmput, ut = &this->ut;
347	root	1.1	#endif
348			#ifdef HAVE_STRUCT_UTMPX
349			struct utmpx tmputx, utx = &this->utx;
350			#endif
351
352			#ifdef HAVE_STRUCT_UTMP
353			# ifdef HAVE_UTMP_PID
354			memset (ut, 0, sizeof (struct utmp));
355			setutent ();
356	root	1.2	strncpy (ut->ut_id, this->ut_id, sizeof (ut->ut_id));
357	root	1.1	ut->ut_type = USER_PROCESS;
358	root	1.2	if ((tmput = getutid (ut))) /* position to entry in utmp file */
359			ut = tmput;
360	root	1.1	ut->ut_type = DEAD_PROCESS;
361			# else
362			memset (ut->ut_name, 0, sizeof (ut->ut_name));
363			# ifdef HAVE_UTMP_HOST
364			memset (ut->ut_host, 0, sizeof (ut->ut_host));
365			# endif
366			# endif
367			ut->ut_time = time (NULL);
368			#endif
369
370			#ifdef HAVE_STRUCT_UTMPX
371			memset (utx, 0, sizeof (struct utmpx));
372			setutxent ();
373	root	1.2	strncpy (utx->ut_id, this->ut_id, sizeof (utx->ut_id));
374	root	1.1	utx->ut_type = USER_PROCESS;
375			if ((tmputx = getutxid (utx))) /* position to entry in utmp file */
376			utx = tmputx;
377			utx->ut_type = DEAD_PROCESS;
378			# if HAVE_UTMPX_SESSION
379			utx->ut_session = getsid (0);
380			# endif
381			utx->ut_tv.tv_sec = time (NULL);
382			utx->ut_tv.tv_usec = 0;
383			#endif
384
385			/*
386			* Write ending wtmp entry
387			*/
388			#ifdef WTMP_SUPPORT
389	root	1.2	#ifdef LOG_ONLY_ON_LOGIN
390			if (login_shell)
391			#endif
392	root	1.1	{
393			# ifdef HAVE_STRUCT_UTMP
394			# ifdef HAVE_UPDWTMP
395	root	1.3	updwtmp (WTMP_FILE, ut);
396	root	1.1	# else
397	root	1.3	update_wtmp (WTMP_FILE, ut);
398	root	1.1	# endif
399			# endif
400	root	1.2	# if defined(HAVE_STRUCT_UTMPX) && defined(HAVE_UPDWTMPX)
401	root	1.3	updwtmpx (WTMPX_FILE, utx);
402	root	1.1	# endif
403			}
404			#endif
405
406			/*
407			* Write utmp entry
408			*/
409			#ifdef HAVE_STRUCT_UTMP
410			# ifdef HAVE_UTMP_PID
411			if (ut->ut_pid == cmd_pid)
412			pututline (ut);
413			endutent ();
414			# else
415			memset (ut, 0, sizeof (struct utmp));
416	root	1.3	write_bsd_utmp (utmp_pos, ut);
417	root	1.1	# endif
418			#endif
419			#ifdef HAVE_STRUCT_UTMPX
420			if (utx->ut_pid == cmd_pid)
421			pututxline (utx);
422			endutxent ();
423			#endif
424	root	1.2
425			cmd_pid = 0;
426	root	1.1	}
427
428	root	1.5	#else
429			void
430			ptytty_unix::login (int cmd_pid, bool login_shell, const char *hostname)
431			{
432			}
433			#endif
434