libptytty/ptytty.m4

dnl this file is part of libptytty, do not make local modifications
dnl http://software.schmorp.de/pkg/libptytty

AC_DEFUN([PTY_CHECK],
[
AC_CHECK_HEADERS( \
  pty.h \
  util.h \
  libutil.h \
  sys/ioctl.h \
  sys/stropts.h \
  stropts.h \
)

AC_CHECK_FUNCS( \
  revoke \
  _getpty \
  getpt \
  posix_openpt \
  isastream \
  setuid \
  seteuid \
  setreuid \
  setresuid \
)

have_clone=no

AC_MSG_CHECKING(for /dev/ptc)
if test -e /dev/ptc; then
  AC_MSG_RESULT(yes)
  AC_DEFINE(CLONE_DEVICE, "/dev/ptc", [clone device filename])
  have_clone=yes
else
  AC_MSG_RESULT(no)
fi

case $host in
  *-*-cygwin*)
    have_clone=yes
    AC_DEFINE(CLONE_DEVICE, "/dev/ptmx", [clone device filename])
    ;;
  *)
    AC_MSG_CHECKING(for /dev/ptmx)
    if test -e /dev/ptmx; then
      AC_MSG_RESULT(yes)
      AC_DEFINE(HAVE_DEV_PTMX, 1, [Define to 1 if you have /dev/ptmx])
      AC_DEFINE(CLONE_DEVICE, "/dev/ptmx", [clone device filename])
      have_clone=yes
    else
      AC_MSG_RESULT(no)
    fi
    ;;
esac

if test x$ac_cv_func_getpt = xyes -o x$ac_cv_func_posix_openpt = xyes -o x$have_clone = xyes; then
  AC_MSG_CHECKING(for UNIX98 ptys)
  AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <stdlib.h>]],
              [[grantpt(0);unlockpt(0);ptsname(0);]])],
              [unix98_pty=yes
               AC_DEFINE(UNIX98_PTY, 1, "")
               AC_MSG_RESULT(yes)],
              [AC_MSG_RESULT(no)])
fi

if test -z "$unix98_pty"; then
  AC_CHECK_FUNCS(openpty, [], [AC_CHECK_LIB(util, openpty, [AC_DEFINE(HAVE_OPENPTY) LIBS="$LIBS -lutil"])])
fi
])

AC_DEFUN([UTMP_CHECK],
[
support_utmp=yes
support_wtmp=yes
support_lastlog=yes

AC_ARG_ENABLE(utmp,
  [AS_HELP_STRING([--enable-utmp],[enable utmp (utmpx) support])],
  [if test x$enableval = xyes -o x$enableval = xno; then
    support_utmp=$enableval
  fi])

AC_ARG_ENABLE(wtmp,
  [AS_HELP_STRING([--enable-wtmp],[enable wtmp (wtmpx) support (requires --enable-utmp)])],
  [if test x$enableval = xyes -o x$enableval = xno; then
    support_wtmp=$enableval
  fi])

AC_ARG_ENABLE(lastlog,
  [AS_HELP_STRING([--enable-lastlog],[enable lastlog support (requires --enable-utmp)])],
  [if test x$enableval = xyes -o x$enableval = xno; then
    support_lastlog=$enableval
  fi])

if test x$support_utmp = xyes; then
  AC_DEFINE(UTMP_SUPPORT, 1, Define if you want to have utmp/utmpx support)
fi
if test x$support_wtmp = xyes; then
  AC_DEFINE(WTMP_SUPPORT, 1, Define if you want to have wtmp support when utmp/utmpx is enabled)
fi
if test x$support_lastlog = xyes; then
  AC_DEFINE(LASTLOG_SUPPORT, 1, Define if you want to have lastlog support when utmp/utmpx is enabled)
fi

AC_CHECK_FUNCS( \
        updwtmp \
        updwtmpx \
        updlastlogx \
)

AC_CHECK_HEADERS(lastlog.h)

dnl# --------------------------------------------------------------------------
dnl# DO ALL UTMP AND WTMP CHECKING
dnl# --------------------------------------------------------------------------
dnl# check for host field in utmp structure

dnl# --------------------------------------------
AC_CHECK_HEADERS(utmp.h,
[AC_CACHE_CHECK([for struct utmp], pt_cv_struct_utmp,
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
#include <utmp.h>]], [[struct utmp ut;]])],[pt_cv_struct_utmp=yes],[pt_cv_struct_utmp=no])])
if test x$pt_cv_struct_utmp = xyes; then
  AC_DEFINE(HAVE_STRUCT_UTMP, 1, Define if utmp.h has struct utmp)
fi
]

AC_CACHE_CHECK(for ut_host in utmp struct, pt_cv_struct_utmp_host,
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
#include <utmp.h>]], [[struct utmp ut; ut.ut_host;]])],[pt_cv_struct_utmp_host=yes],[pt_cv_struct_utmp_host=no])])
if test x$pt_cv_struct_utmp_host = xyes; then
  AC_DEFINE(HAVE_UTMP_HOST, 1, Define if struct utmp contains ut_host)
fi

AC_CACHE_CHECK(for ut_pid in utmp struct, pt_cv_struct_utmp_pid,
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
#include <utmp.h>]], [[struct utmp ut; ut.ut_pid;]])],[pt_cv_struct_utmp_pid=yes],[pt_cv_struct_utmp_pid=no])])
if test x$pt_cv_struct_utmp_pid = xyes; then
  AC_DEFINE(HAVE_UTMP_PID, 1, Define if struct utmp contains ut_pid)
fi
) dnl# AC_CHECK_HEADERS(utmp.h

dnl# --------------------------------------------

AC_CHECK_HEADERS(utmpx.h,
[AC_CACHE_CHECK([for struct utmpx], pt_cv_struct_utmpx,
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
#include <utmpx.h>]], [[struct utmpx ut;]])],[pt_cv_struct_utmpx=yes],[pt_cv_struct_utmpx=no])])
if test x$pt_cv_struct_utmpx = xyes; then
  AC_DEFINE(HAVE_STRUCT_UTMPX, 1, Define if utmpx.h has struct utmpx)
fi
]

AC_CACHE_CHECK(for host in utmpx struct, pt_cv_struct_utmpx_host,
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
#include <utmpx.h>]], [[struct utmpx utx; utx.ut_host;]])],[pt_cv_struct_utmpx_host=yes],[pt_cv_struct_utmpx_host=no])])
if test x$pt_cv_struct_utmpx_host = xyes; then
  AC_DEFINE(HAVE_UTMPX_HOST, 1, Define if struct utmpx contains ut_host)
fi

AC_CACHE_CHECK(for session in utmpx struct, pt_cv_struct_utmpx_session,
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
#include <utmpx.h>]], [[struct utmpx utx; utx.ut_session;]])],[pt_cv_struct_utmpx_session=yes],[pt_cv_struct_utmpx_session=no])])
if test x$pt_cv_struct_utmpx_session = xyes; then
  AC_DEFINE(HAVE_UTMPX_SESSION, 1, Define if struct utmpx contains ut_session)
fi
) dnl# AC_CHECK_HEADERS(utmpx.h

dnl# --------------------------------------------------------------------------
dnl# check for struct lastlog
AC_CACHE_CHECK(for struct lastlog, pt_cv_struct_lastlog,
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
#include <utmp.h>
#ifdef HAVE_LASTLOG_H
#include <lastlog.h>
#endif
]], [[struct lastlog ll;]])],[pt_cv_struct_lastlog=yes],[pt_cv_struct_lastlog=no])])
if test x$pt_cv_struct_lastlog = xyes; then
  AC_DEFINE(HAVE_STRUCT_LASTLOG, 1, Define if utmp.h or lastlog.h has struct lastlog)
fi

dnl# check for struct lastlogx
AC_CACHE_CHECK(for struct lastlogx, pt_cv_struct_lastlogx,
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
#include <utmpx.h>
#ifdef HAVE_LASTLOG_H
#include <lastlog.h>
#endif
]], [[struct lastlogx ll;]])],[pt_cv_struct_lastlogx=yes],[pt_cv_struct_lastlogx=no])])
if test x$pt_cv_struct_lastlogx = xyes; then
  AC_DEFINE(HAVE_STRUCT_LASTLOGX, 1, Define if utmpx.h or lastlog.h has struct lastlogx)
fi

dnl# --------------------------------------------------------------------------
dnl# FIND FILES
dnl# --------------------------------------------------------------------------

dnl# find utmp
AC_CACHE_CHECK(where utmp is located, pt_cv_path_utmp,
[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <utmp.h>
#include <errno.h>
main()
{
    char **u, *utmplist[] = {
    "/var/run/utmp", "/var/adm/utmp", "/etc/utmp", "/usr/etc/utmp", "/usr/adm/utmp", NULL };
    FILE *a, *f=fopen("conftestval", "w");
    if (!f) exit(1);
#ifdef UTMP_FILE
    fprintf(f, "%s\n", UTMP_FILE);
    exit(0);
#endif
#ifdef _PATH_UTMP
    fprintf(f, "%s\n", _PATH_UTMP);
    exit(0);
#endif
    for (u = utmplist; *u; u++) {
        if ((a = fopen(*u, "r")) != NULL || errno == EACCES) {
            fprintf(f, "%s\n", *u);
            exit(0);
        }
    }
    exit(0);
}]])],[pt_cv_path_utmp=`cat conftestval`],[pt_cv_path_utmp=],[dnl
  AC_MSG_WARN(Define UTMP_FILE in config.h manually)])])
if test x$pt_cv_path_utmp != x; then
  AC_DEFINE_UNQUOTED(UTMP_FILE, "$pt_cv_path_utmp", Define location of utmp)
fi

dnl# --------------------------------------------------------------------------

dnl# find utmpx - if a utmp file exists at the same location and is more than
dnl# a day newer, then dump the utmpx.  People leave lots of junk around.
AC_CACHE_CHECK(where utmpx is located, pt_cv_path_utmpx,
[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <utmpx.h>
#include <errno.h>
#include <sys/stat.h>
#ifdef HAVE_STRING_H
#include <string.h>
#endif
main()
{
    char **u, *p, *utmplist[] = {
#ifdef UTMPX_FILE
        UTMPX_FILE,
#endif
#ifdef _PATH_UTMPX
        _PATH_UTMPX,
#endif
    "/var/adm/utmpx", "/etc/utmpx", NULL };
    FILE *a, *f=fopen("conftestval", "w");
    struct stat statu, statux;
    if (!f) exit(1);
    for (u = utmplist; *u; u++) {
        if ((a = fopen(*u, "r")) != NULL || errno == EACCES) {
            if (stat(*u, &statux) < 0)
                continue;
            p = strdup(*u);
            p[strlen(p) - 1] = '\0';
            if (stat(p, &statu) >= 0
                && (statu.st_mtime - statux.st_mtime > 86400))
                continue;
            fprintf(f, "%s\n", *u);
            exit(0);
        }
    }
    exit(0);
}]])],[pt_cv_path_utmpx=`cat conftestval`],[pt_cv_path_utmpx=],[dnl
  AC_MSG_WARN(Define UTMPX_FILE in config.h manually)])])
if test x$pt_cv_path_utmpx != x; then
  AC_DEFINE_UNQUOTED(UTMPX_FILE, "$pt_cv_path_utmpx", Define location of utmpx)
fi

dnl# --------------------------------------------------------------------------

dnl# find wtmp
AC_CACHE_CHECK(where wtmp is located, pt_cv_path_wtmp,
[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#ifdef HAVE_UTMP_H
#include <utmp.h>
#endif
#include <errno.h>
main()
{
    char **w, *wtmplist[] = {
    "/var/log/wtmp", "/var/adm/wtmp", "/etc/wtmp", "/usr/etc/wtmp", "/usr/adm/wtmp", NULL };
    FILE *a, *f=fopen("conftestval", "w");
    if (!f) exit(1);
#ifdef WTMP_FILE
    fprintf(f, "%s\n", WTMP_FILE);
    exit(0);
#endif
#ifdef _PATH_WTMP
    fprintf(f, "%s\n", _PATH_WTMP);
    exit(0);
#endif
    for (w = wtmplist; *w; w++) {
        if ((a = fopen(*w, "r")) != NULL || errno == EACCES) {
            fprintf(f, "%s\n", *w);
            exit(0);
        }
    }
    exit(0);
}]])],[pt_cv_path_wtmp=`cat conftestval`],[pt_cv_path_wtmp=],[dnl
  AC_MSG_WARN(Define WTMP_FILE in config.h manually)])])
if test x$pt_cv_path_wtmp != x; then
  AC_DEFINE_UNQUOTED(WTMP_FILE, "$pt_cv_path_wtmp", Define location of wtmp)
fi
dnl# --------------------------------------------------------------------------

dnl# find wtmpx
AC_CACHE_CHECK(where wtmpx is located, pt_cv_path_wtmpx,
[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
#include <stdlib.h>
#ifdef HAVE_UTMPX_H
#include <utmpx.h>
#endif
#include <errno.h>
main()
{
    char **w, *wtmplist[] = {
    "/var/log/wtmpx", "/var/adm/wtmpx", NULL };
    FILE *a, *f=fopen("conftestval", "w");
    if (!f) exit(1);
#ifdef WTMPX_FILE
    fprintf(f, "%s\n", WTMPX_FILE);
    exit(0);
#endif
#ifdef _PATH_WTMPX
    fprintf(f, "%s\n", _PATH_WTMPX);
    exit(0);
#endif
    for (w = wtmplist; *w; w++) {
        if ((a = fopen(*w, "r")) != NULL || errno == EACCES) {
            fprintf(f, "%s\n", *w);
            exit(0);
        }
    }
    exit(0);
}]])],[pt_cv_path_wtmpx=`cat conftestval`],[pt_cv_path_wtmpx=],[dnl
  AC_MSG_WARN(Define WTMPX_FILE in config.h manually)])])
if test x$pt_cv_path_wtmpx != x; then
  AC_DEFINE_UNQUOTED(WTMPX_FILE, "$pt_cv_path_wtmpx", Define location of wtmpx)
fi
dnl# --------------------------------------------------------------------------

dnl# find lastlog
AC_CACHE_CHECK(where lastlog is located, pt_cv_path_lastlog,
[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#ifdef HAVE_UTMPX_H
#include <utmpx.h>
#elif defined(HAVE_UTMP_H)
#include <utmp.h>
#endif
#ifdef HAVE_LASTLOG_H
#include <lastlog.h>
#endif
#include <errno.h>
main()
{
    char **w, *lastloglist[] = { "/var/log/lastlog", NULL };
    FILE *a, *f=fopen("conftestval", "w");
    if (!f) exit(1);
#ifdef LASTLOG_FILE
    fprintf(f, "%s\n", LASTLOG_FILE);
    exit(0);
#endif
#ifdef _PATH_LASTLOG
    fprintf(f, "%s\n", _PATH_LASTLOG);
    exit(0);
#endif
    for (w = lastloglist; *w; w++) {
        if ((a = fopen(*w, "r")) != NULL || errno == EACCES) {
            fprintf(f, "%s\n", *w);
            exit(0);
        }
    }
    exit(0);
}]])],[pt_cv_path_lastlog=`cat conftestval`],[pt_cv_path_lastlog=],[dnl
  AC_MSG_WARN(Define LASTLOG_FILE in config.h manually)])])
if test x$pt_cv_path_lastlog != x; then
  AC_DEFINE_UNQUOTED(LASTLOG_FILE, "$pt_cv_path_lastlog", Define location of lastlog)
fi
dnl# --------------------------------------------------------------------------

dnl# find lastlogx
AC_CACHE_CHECK(where lastlogx is located, pt_cv_path_lastlogx,
[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
#include <stdlib.h>
#ifdef HAVE_UTMPX_H
#include <utmpx.h>
#endif
#include <errno.h>
main()
{
    char **w, *wtmplist[] = { "/var/log/lastlogx", "/var/adm/lastlogx", NULL };
    FILE *a, *f=fopen("conftestval", "w");
    if (!f) exit(1);
#ifdef LASTLOGX_FILE
    fprintf(f, "%s\n", LASTLOGX_FILE);
    exit(0);
#endif
#ifdef _PATH_LASTLOGX
    fprintf(f, "%s\n", _PATH_LASTLOGX);
    exit(0);
#endif
    for (w = wtmplist; *w; w++) {
        if ((a = fopen(*w, "r")) != NULL || errno == EACCES) {
            fprintf(f, "%s\n", *w);
            exit(0);
        }
    }
    exit(0);
}]])],[pt_cv_path_lastlogx=`cat conftestval`],[pt_cv_path_lastlogx=],[dnl
  AC_MSG_WARN(Define LASTLOGX_FILE in config.h manually)])])
if test x$pt_cv_path_lastlogx != x; then
  AC_DEFINE_UNQUOTED(LASTLOGX_FILE, "$pt_cv_path_lastlogx", Define location of lastlogx)
fi
])

AC_DEFUN([SCM_RIGHTS_CHECK],
[
AC_CACHE_CHECK(for unix-compliant filehandle passing ability, pt_cv_can_pass_fds,
[AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#include <cstddef> // broken bsds (is that redundant?) need this
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/uio.h>
]], [[
{
  msghdr msg;
  iovec iov;
  char buf [100];
  char data = 0;

  iov.iov_base = &data;
  iov.iov_len  = 1;

  msg.msg_iov        = &iov;
  msg.msg_iovlen     = 1;
  msg.msg_control    = buf;
  msg.msg_controllen = sizeof buf;

  cmsghdr *cmsg = CMSG_FIRSTHDR (&msg);
  cmsg->cmsg_level = SOL_SOCKET;
  cmsg->cmsg_type  = SCM_RIGHTS;
  cmsg->cmsg_len   = 100;

  *(int *)CMSG_DATA (cmsg) = 5;

  return sendmsg (3, &msg, 0);
}
]])],[pt_cv_can_pass_fds=yes],[pt_cv_can_pass_fds=no])])
if test x$pt_cv_can_pass_fds = xyes; then
   AC_DEFINE(HAVE_UNIX_FDPASS, 1, Define if sys/socket.h defines the necessary macros/functions for file handle passing)
else
   AC_MSG_ERROR([libptytty requires unix-compliant filehandle passing ability])
fi
])

AC_DEFUN([TTY_GROUP_CHECK],
[
AC_CACHE_CHECK([for tty group], pt_cv_tty_group,
[AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <grp.h>

main()
{
  struct stat st;
  struct group *gr;
  char *tty;
  gr = getgrnam("tty");
  tty = ttyname(0);
  if (gr != 0
      && tty != 0
      && (stat(tty, &st)) == 0
      && st.st_gid == gr->gr_gid)
    return 0;
  else
    return 1;
}]])],[pt_cv_tty_group=yes],[pt_cv_tty_group=no],[pt_cv_tty_group=no])])
if test x$pt_cv_tty_group = xyes; then
  AC_DEFINE(TTY_GID_SUPPORT, 1, "")
fi])

Revision:	1.19
Committed:	Sun Mar 28 08:39:34 2010 UTC (14 years, 2 months ago) by sf-exg
Branch:	MAIN
Changes since 1.18:	+0 -11 lines
Log Message:	Remove unneeded code (according to docs found in gnulib openpty module).
#	User	Rev	Content
1	root	1.2	dnl this file is part of libptytty, do not make local modifications
2			dnl http://software.schmorp.de/pkg/libptytty
3
4	ayin	1.1	AC_DEFUN([PTY_CHECK],
5			[
6			AC_CHECK_HEADERS( \
7			pty.h \
8			util.h \
9			libutil.h \
10			sys/ioctl.h \
11			sys/stropts.h \
12	root	1.17	stropts.h \
13	ayin	1.1	)
14
15			AC_CHECK_FUNCS( \
16			revoke \
17			_getpty \
18			getpt \
19			posix_openpt \
20			isastream \
21	root	1.7	setuid \
22			seteuid \
23			setreuid \
24			setresuid \
25	ayin	1.1	)
26
27			have_clone=no
28
29			AC_MSG_CHECKING(for /dev/ptc)
30			if test -e /dev/ptc; then
31			AC_MSG_RESULT(yes)
32			AC_DEFINE(CLONE_DEVICE, "/dev/ptc", [clone device filename])
33			have_clone=yes
34			else
35			AC_MSG_RESULT(no)
36			fi
37
38			case $host in
39			--cygwin*)
40			have_clone=yes
41			AC_DEFINE(CLONE_DEVICE, "/dev/ptmx", [clone device filename])
42			;;
43			*)
44			AC_MSG_CHECKING(for /dev/ptmx)
45			if test -e /dev/ptmx; then
46			AC_MSG_RESULT(yes)
47			AC_DEFINE(HAVE_DEV_PTMX, 1, [Define to 1 if you have /dev/ptmx])
48			AC_DEFINE(CLONE_DEVICE, "/dev/ptmx", [clone device filename])
49			have_clone=yes
50			else
51			AC_MSG_RESULT(no)
52			fi
53			;;
54			esac
55
56			if test x$ac_cv_func_getpt = xyes -o x$ac_cv_func_posix_openpt = xyes -o x$have_clone = xyes; then
57			AC_MSG_CHECKING(for UNIX98 ptys)
58	ayin	1.16	AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <stdlib.h>]],
59			[[grantpt(0);unlockpt(0);ptsname(0);]])],
60	ayin	1.1	[unix98_pty=yes
61			AC_DEFINE(UNIX98_PTY, 1, "")
62			AC_MSG_RESULT(yes)],
63			[AC_MSG_RESULT(no)])
64			fi
65
66			if test -z "$unix98_pty"; then
67			AC_CHECK_FUNCS(openpty, [], [AC_CHECK_LIB(util, openpty, [AC_DEFINE(HAVE_OPENPTY) LIBS="$LIBS -lutil"])])
68			fi
69			])
70
71			AC_DEFUN([UTMP_CHECK],
72			[
73	ayin	1.5	support_utmp=yes
74			support_wtmp=yes
75			support_lastlog=yes
76
77	ayin	1.4	AC_ARG_ENABLE(utmp,
78	ayin	1.11	[AS_HELP_STRING([--enable-utmp],[enable utmp (utmpx) support])],
79	ayin	1.4	[if test x$enableval = xyes -o x$enableval = xno; then
80			support_utmp=$enableval
81			fi])
82
83			AC_ARG_ENABLE(wtmp,
84	ayin	1.11	[AS_HELP_STRING([--enable-wtmp],[enable wtmp (wtmpx) support (requires --enable-utmp)])],
85	ayin	1.4	[if test x$enableval = xyes -o x$enableval = xno; then
86			support_wtmp=$enableval
87			fi])
88
89			AC_ARG_ENABLE(lastlog,
90	ayin	1.11	[AS_HELP_STRING([--enable-lastlog],[enable lastlog support (requires --enable-utmp)])],
91	ayin	1.4	[if test x$enableval = xyes -o x$enableval = xno; then
92			support_lastlog=$enableval
93			fi])
94
95			if test x$support_utmp = xyes; then
96			AC_DEFINE(UTMP_SUPPORT, 1, Define if you want to have utmp/utmpx support)
97			fi
98			if test x$support_wtmp = xyes; then
99			AC_DEFINE(WTMP_SUPPORT, 1, Define if you want to have wtmp support when utmp/utmpx is enabled)
100			fi
101			if test x$support_lastlog = xyes; then
102			AC_DEFINE(LASTLOG_SUPPORT, 1, Define if you want to have lastlog support when utmp/utmpx is enabled)
103			fi
104
105	ayin	1.1	AC_CHECK_FUNCS( \
106			updwtmp \
107			updwtmpx \
108	ayin	1.12	updlastlogx \
109	ayin	1.1	)
110
111	ayin	1.15	AC_CHECK_HEADERS(lastlog.h)
112	ayin	1.1
113			dnl# --------------------------------------------------------------------------
114			dnl# DO ALL UTMP AND WTMP CHECKING
115			dnl# --------------------------------------------------------------------------
116			dnl# check for host field in utmp structure
117
118			dnl# --------------------------------------------
119	ayin	1.15	AC_CHECK_HEADERS(utmp.h,
120	sf-exg	1.18	[AC_CACHE_CHECK([for struct utmp], pt_cv_struct_utmp,
121	ayin	1.1	[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
122	sf-exg	1.18	#include <utmp.h>]], [[struct utmp ut;]])],[pt_cv_struct_utmp=yes],[pt_cv_struct_utmp=no])])
123			if test x$pt_cv_struct_utmp = xyes; then
124	ayin	1.1	AC_DEFINE(HAVE_STRUCT_UTMP, 1, Define if utmp.h has struct utmp)
125			fi
126			]
127
128	sf-exg	1.18	AC_CACHE_CHECK(for ut_host in utmp struct, pt_cv_struct_utmp_host,
129	ayin	1.1	[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
130	sf-exg	1.18	#include <utmp.h>]], [[struct utmp ut; ut.ut_host;]])],[pt_cv_struct_utmp_host=yes],[pt_cv_struct_utmp_host=no])])
131			if test x$pt_cv_struct_utmp_host = xyes; then
132	ayin	1.1	AC_DEFINE(HAVE_UTMP_HOST, 1, Define if struct utmp contains ut_host)
133			fi
134
135	sf-exg	1.18	AC_CACHE_CHECK(for ut_pid in utmp struct, pt_cv_struct_utmp_pid,
136	ayin	1.1	[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
137	sf-exg	1.18	#include <utmp.h>]], [[struct utmp ut; ut.ut_pid;]])],[pt_cv_struct_utmp_pid=yes],[pt_cv_struct_utmp_pid=no])])
138			if test x$pt_cv_struct_utmp_pid = xyes; then
139	ayin	1.1	AC_DEFINE(HAVE_UTMP_PID, 1, Define if struct utmp contains ut_pid)
140			fi
141	ayin	1.15	) dnl# AC_CHECK_HEADERS(utmp.h
142	ayin	1.1
143			dnl# --------------------------------------------
144
145	ayin	1.15	AC_CHECK_HEADERS(utmpx.h,
146	sf-exg	1.18	[AC_CACHE_CHECK([for struct utmpx], pt_cv_struct_utmpx,
147	ayin	1.1	[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
148	sf-exg	1.18	#include <utmpx.h>]], [[struct utmpx ut;]])],[pt_cv_struct_utmpx=yes],[pt_cv_struct_utmpx=no])])
149			if test x$pt_cv_struct_utmpx = xyes; then
150	ayin	1.1	AC_DEFINE(HAVE_STRUCT_UTMPX, 1, Define if utmpx.h has struct utmpx)
151			fi
152			]
153
154	sf-exg	1.18	AC_CACHE_CHECK(for host in utmpx struct, pt_cv_struct_utmpx_host,
155	ayin	1.1	[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
156	sf-exg	1.18	#include <utmpx.h>]], [[struct utmpx utx; utx.ut_host;]])],[pt_cv_struct_utmpx_host=yes],[pt_cv_struct_utmpx_host=no])])
157			if test x$pt_cv_struct_utmpx_host = xyes; then
158	ayin	1.1	AC_DEFINE(HAVE_UTMPX_HOST, 1, Define if struct utmpx contains ut_host)
159			fi
160
161	sf-exg	1.18	AC_CACHE_CHECK(for session in utmpx struct, pt_cv_struct_utmpx_session,
162	ayin	1.16	[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
163	sf-exg	1.18	#include <utmpx.h>]], [[struct utmpx utx; utx.ut_session;]])],[pt_cv_struct_utmpx_session=yes],[pt_cv_struct_utmpx_session=no])])
164			if test x$pt_cv_struct_utmpx_session = xyes; then
165	ayin	1.1	AC_DEFINE(HAVE_UTMPX_SESSION, 1, Define if struct utmpx contains ut_session)
166			fi
167	ayin	1.15	) dnl# AC_CHECK_HEADERS(utmpx.h
168	ayin	1.1
169			dnl# --------------------------------------------------------------------------
170			dnl# check for struct lastlog
171	sf-exg	1.18	AC_CACHE_CHECK(for struct lastlog, pt_cv_struct_lastlog,
172	ayin	1.1	[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
173			#include <utmp.h>
174			#ifdef HAVE_LASTLOG_H
175			#include <lastlog.h>
176			#endif
177	sf-exg	1.18	]], [[struct lastlog ll;]])],[pt_cv_struct_lastlog=yes],[pt_cv_struct_lastlog=no])])
178			if test x$pt_cv_struct_lastlog = xyes; then
179	ayin	1.1	AC_DEFINE(HAVE_STRUCT_LASTLOG, 1, Define if utmp.h or lastlog.h has struct lastlog)
180			fi
181
182			dnl# check for struct lastlogx
183	sf-exg	1.18	AC_CACHE_CHECK(for struct lastlogx, pt_cv_struct_lastlogx,
184	ayin	1.1	[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
185			#include <utmpx.h>
186			#ifdef HAVE_LASTLOG_H
187			#include <lastlog.h>
188			#endif
189	sf-exg	1.18	]], [[struct lastlogx ll;]])],[pt_cv_struct_lastlogx=yes],[pt_cv_struct_lastlogx=no])])
190			if test x$pt_cv_struct_lastlogx = xyes; then
191	ayin	1.1	AC_DEFINE(HAVE_STRUCT_LASTLOGX, 1, Define if utmpx.h or lastlog.h has struct lastlogx)
192			fi
193
194			dnl# --------------------------------------------------------------------------
195			dnl# FIND FILES
196			dnl# --------------------------------------------------------------------------
197
198			dnl# find utmp
199	sf-exg	1.18	AC_CACHE_CHECK(where utmp is located, pt_cv_path_utmp,
200	ayin	1.1	[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
201	ayin	1.9	#include <stdlib.h>
202	ayin	1.1	#include <sys/types.h>
203			#include <utmp.h>
204			#include <errno.h>
205			main()
206			{
207			char *u, utmplist[] = {
208			"/var/run/utmp", "/var/adm/utmp", "/etc/utmp", "/usr/etc/utmp", "/usr/adm/utmp", NULL };
209			FILE a, f=fopen("conftestval", "w");
210			if (!f) exit(1);
211			#ifdef UTMP_FILE
212			fprintf(f, "%s\n", UTMP_FILE);
213			exit(0);
214			#endif
215			#ifdef _PATH_UTMP
216			fprintf(f, "%s\n", _PATH_UTMP);
217			exit(0);
218			#endif
219			for (u = utmplist; *u; u++) {
220			if ((a = fopen(*u, "r")) != NULL \|\| errno == EACCES) {
221			fprintf(f, "%s\n", *u);
222			exit(0);
223			}
224			}
225			exit(0);
226	sf-exg	1.18	}]])],[pt_cv_path_utmp=`cat conftestval`],[pt_cv_path_utmp=],[dnl
227	ayin	1.1	AC_MSG_WARN(Define UTMP_FILE in config.h manually)])])
228	sf-exg	1.18	if test x$pt_cv_path_utmp != x; then
229			AC_DEFINE_UNQUOTED(UTMP_FILE, "$pt_cv_path_utmp", Define location of utmp)
230	ayin	1.1	fi
231
232			dnl# --------------------------------------------------------------------------
233
234			dnl# find utmpx - if a utmp file exists at the same location and is more than
235			dnl# a day newer, then dump the utmpx. People leave lots of junk around.
236	sf-exg	1.18	AC_CACHE_CHECK(where utmpx is located, pt_cv_path_utmpx,
237	ayin	1.1	[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
238	ayin	1.9	#include <stdlib.h>
239	ayin	1.1	#include <sys/types.h>
240			#include <utmpx.h>
241			#include <errno.h>
242			#include <sys/stat.h>
243			#ifdef HAVE_STRING_H
244			#include <string.h>
245			#endif
246			main()
247			{
248			char *u, p, *utmplist[] = {
249			#ifdef UTMPX_FILE
250			UTMPX_FILE,
251			#endif
252			#ifdef _PATH_UTMPX
253			_PATH_UTMPX,
254			#endif
255			"/var/adm/utmpx", "/etc/utmpx", NULL };
256			FILE a, f=fopen("conftestval", "w");
257			struct stat statu, statux;
258			if (!f) exit(1);
259			for (u = utmplist; *u; u++) {
260			if ((a = fopen(*u, "r")) != NULL \|\| errno == EACCES) {
261			if (stat(*u, &statux) < 0)
262			continue;
263			p = strdup(*u);
264			p[strlen(p) - 1] = '\0';
265			if (stat(p, &statu) >= 0
266			&& (statu.st_mtime - statux.st_mtime > 86400))
267			continue;
268			fprintf(f, "%s\n", *u);
269			exit(0);
270			}
271			}
272			exit(0);
273	sf-exg	1.18	}]])],[pt_cv_path_utmpx=`cat conftestval`],[pt_cv_path_utmpx=],[dnl
274	ayin	1.1	AC_MSG_WARN(Define UTMPX_FILE in config.h manually)])])
275	sf-exg	1.18	if test x$pt_cv_path_utmpx != x; then
276			AC_DEFINE_UNQUOTED(UTMPX_FILE, "$pt_cv_path_utmpx", Define location of utmpx)
277	ayin	1.1	fi
278
279			dnl# --------------------------------------------------------------------------
280
281			dnl# find wtmp
282	sf-exg	1.18	AC_CACHE_CHECK(where wtmp is located, pt_cv_path_wtmp,
283	ayin	1.1	[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
284	ayin	1.9	#include <stdlib.h>
285	ayin	1.1	#include <sys/types.h>
286			#ifdef HAVE_UTMP_H
287			#include <utmp.h>
288			#endif
289			#include <errno.h>
290			main()
291			{
292			char *w, wtmplist[] = {
293	ayin	1.10	"/var/log/wtmp", "/var/adm/wtmp", "/etc/wtmp", "/usr/etc/wtmp", "/usr/adm/wtmp", NULL };
294	ayin	1.1	FILE a, f=fopen("conftestval", "w");
295			if (!f) exit(1);
296			#ifdef WTMP_FILE
297			fprintf(f, "%s\n", WTMP_FILE);
298			exit(0);
299			#endif
300			#ifdef _PATH_WTMP
301			fprintf(f, "%s\n", _PATH_WTMP);
302			exit(0);
303			#endif
304			for (w = wtmplist; *w; w++) {
305			if ((a = fopen(*w, "r")) != NULL \|\| errno == EACCES) {
306			fprintf(f, "%s\n", *w);
307			exit(0);
308			}
309			}
310			exit(0);
311	sf-exg	1.18	}]])],[pt_cv_path_wtmp=`cat conftestval`],[pt_cv_path_wtmp=],[dnl
312	ayin	1.1	AC_MSG_WARN(Define WTMP_FILE in config.h manually)])])
313	sf-exg	1.18	if test x$pt_cv_path_wtmp != x; then
314			AC_DEFINE_UNQUOTED(WTMP_FILE, "$pt_cv_path_wtmp", Define location of wtmp)
315	ayin	1.1	fi
316			dnl# --------------------------------------------------------------------------
317
318			dnl# find wtmpx
319	sf-exg	1.18	AC_CACHE_CHECK(where wtmpx is located, pt_cv_path_wtmpx,
320	ayin	1.1	[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
321	ayin	1.9	#include <stdlib.h>
322	ayin	1.1	#ifdef HAVE_UTMPX_H
323			#include <utmpx.h>
324			#endif
325			#include <errno.h>
326			main()
327			{
328			char *w, wtmplist[] = {
329	ayin	1.10	"/var/log/wtmpx", "/var/adm/wtmpx", NULL };
330	ayin	1.1	FILE a, f=fopen("conftestval", "w");
331			if (!f) exit(1);
332			#ifdef WTMPX_FILE
333			fprintf(f, "%s\n", WTMPX_FILE);
334			exit(0);
335			#endif
336			#ifdef _PATH_WTMPX
337			fprintf(f, "%s\n", _PATH_WTMPX);
338			exit(0);
339			#endif
340			for (w = wtmplist; *w; w++) {
341			if ((a = fopen(*w, "r")) != NULL \|\| errno == EACCES) {
342			fprintf(f, "%s\n", *w);
343			exit(0);
344			}
345			}
346			exit(0);
347	sf-exg	1.18	}]])],[pt_cv_path_wtmpx=`cat conftestval`],[pt_cv_path_wtmpx=],[dnl
348	ayin	1.1	AC_MSG_WARN(Define WTMPX_FILE in config.h manually)])])
349	sf-exg	1.18	if test x$pt_cv_path_wtmpx != x; then
350			AC_DEFINE_UNQUOTED(WTMPX_FILE, "$pt_cv_path_wtmpx", Define location of wtmpx)
351	ayin	1.1	fi
352			dnl# --------------------------------------------------------------------------
353
354			dnl# find lastlog
355	sf-exg	1.18	AC_CACHE_CHECK(where lastlog is located, pt_cv_path_lastlog,
356	ayin	1.1	[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
357	ayin	1.9	#include <stdlib.h>
358	ayin	1.1	#include <sys/types.h>
359			#ifdef HAVE_UTMPX_H
360			#include <utmpx.h>
361			#elif defined(HAVE_UTMP_H)
362			#include <utmp.h>
363			#endif
364			#ifdef HAVE_LASTLOG_H
365			#include <lastlog.h>
366			#endif
367			#include <errno.h>
368			main()
369			{
370			char *w, lastloglist[] = { "/var/log/lastlog", NULL };
371			FILE a, f=fopen("conftestval", "w");
372			if (!f) exit(1);
373			#ifdef LASTLOG_FILE
374			fprintf(f, "%s\n", LASTLOG_FILE);
375			exit(0);
376			#endif
377			#ifdef _PATH_LASTLOG
378			fprintf(f, "%s\n", _PATH_LASTLOG);
379			exit(0);
380			#endif
381			for (w = lastloglist; *w; w++) {
382			if ((a = fopen(*w, "r")) != NULL \|\| errno == EACCES) {
383			fprintf(f, "%s\n", *w);
384			exit(0);
385			}
386			}
387			exit(0);
388	sf-exg	1.18	}]])],[pt_cv_path_lastlog=`cat conftestval`],[pt_cv_path_lastlog=],[dnl
389	ayin	1.1	AC_MSG_WARN(Define LASTLOG_FILE in config.h manually)])])
390	sf-exg	1.18	if test x$pt_cv_path_lastlog != x; then
391			AC_DEFINE_UNQUOTED(LASTLOG_FILE, "$pt_cv_path_lastlog", Define location of lastlog)
392	ayin	1.1	fi
393			dnl# --------------------------------------------------------------------------
394
395			dnl# find lastlogx
396	sf-exg	1.18	AC_CACHE_CHECK(where lastlogx is located, pt_cv_path_lastlogx,
397	ayin	1.1	[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
398	ayin	1.9	#include <stdlib.h>
399	ayin	1.1	#ifdef HAVE_UTMPX_H
400			#include <utmpx.h>
401			#endif
402			#include <errno.h>
403			main()
404			{
405			char *w, wtmplist[] = { "/var/log/lastlogx", "/var/adm/lastlogx", NULL };
406			FILE a, f=fopen("conftestval", "w");
407			if (!f) exit(1);
408			#ifdef LASTLOGX_FILE
409			fprintf(f, "%s\n", LASTLOGX_FILE);
410			exit(0);
411			#endif
412			#ifdef _PATH_LASTLOGX
413			fprintf(f, "%s\n", _PATH_LASTLOGX);
414			exit(0);
415			#endif
416			for (w = wtmplist; *w; w++) {
417			if ((a = fopen(*w, "r")) != NULL \|\| errno == EACCES) {
418			fprintf(f, "%s\n", *w);
419			exit(0);
420			}
421			}
422			exit(0);
423	sf-exg	1.18	}]])],[pt_cv_path_lastlogx=`cat conftestval`],[pt_cv_path_lastlogx=],[dnl
424	ayin	1.1	AC_MSG_WARN(Define LASTLOGX_FILE in config.h manually)])])
425	sf-exg	1.18	if test x$pt_cv_path_lastlogx != x; then
426			AC_DEFINE_UNQUOTED(LASTLOGX_FILE, "$pt_cv_path_lastlogx", Define location of lastlogx)
427	ayin	1.1	fi
428			])
429
430			AC_DEFUN([SCM_RIGHTS_CHECK],
431			[
432	sf-exg	1.18	AC_CACHE_CHECK(for unix-compliant filehandle passing ability, pt_cv_can_pass_fds,
433	ayin	1.16	[AC_LINK_IFELSE([AC_LANG_PROGRAM([[
434	root	1.6	#include <cstddef> // broken bsds (is that redundant?) need this
435	ayin	1.1	#include <sys/types.h>
436			#include <sys/socket.h>
437			#include <sys/uio.h>
438	ayin	1.16	]], [[
439	ayin	1.1	{
440			msghdr msg;
441			iovec iov;
442			char buf [100];
443			char data = 0;
444
445			iov.iov_base = &data;
446			iov.iov_len = 1;
447
448			msg.msg_iov = &iov;
449			msg.msg_iovlen = 1;
450			msg.msg_control = buf;
451			msg.msg_controllen = sizeof buf;
452
453			cmsghdr *cmsg = CMSG_FIRSTHDR (&msg);
454			cmsg->cmsg_level = SOL_SOCKET;
455			cmsg->cmsg_type = SCM_RIGHTS;
456			cmsg->cmsg_len = 100;
457
458			(int )CMSG_DATA (cmsg) = 5;
459
460			return sendmsg (3, &msg, 0);
461			}
462	sf-exg	1.18	]])],[pt_cv_can_pass_fds=yes],[pt_cv_can_pass_fds=no])])
463			if test x$pt_cv_can_pass_fds = xyes; then
464	ayin	1.1	AC_DEFINE(HAVE_UNIX_FDPASS, 1, Define if sys/socket.h defines the necessary macros/functions for file handle passing)
465			else
466			AC_MSG_ERROR([libptytty requires unix-compliant filehandle passing ability])
467			fi
468			])
469	ayin	1.3
470			AC_DEFUN([TTY_GROUP_CHECK],
471			[
472	sf-exg	1.18	AC_CACHE_CHECK([for tty group], pt_cv_tty_group,
473	ayin	1.16	[AC_RUN_IFELSE([AC_LANG_SOURCE([[
474	ayin	1.3	#include <sys/types.h>
475			#include <sys/stat.h>
476			#include <unistd.h>
477			#include <grp.h>
478
479			main()
480			{
481			struct stat st;
482			struct group *gr;
483			char *tty;
484			gr = getgrnam("tty");
485			tty = ttyname(0);
486			if (gr != 0
487			&& tty != 0
488			&& (stat(tty, &st)) == 0
489			&& st.st_gid == gr->gr_gid)
490			return 0;
491			else
492			return 1;
493	sf-exg	1.18	}]])],[pt_cv_tty_group=yes],[pt_cv_tty_group=no],[pt_cv_tty_group=no])])
494			if test x$pt_cv_tty_group = xyes; then
495	ayin	1.3	AC_DEFINE(TTY_GID_SUPPORT, 1, "")
496			fi])
497