rxvt-unicode/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 \
)

AC_CHECK_FUNCS( \
  revoke \
  _getpty \
  getpt \
  posix_openpt \
  isastream \
)

have_clone=no

AC_MSG_CHECKING(for /dev/ptym/clone)
if test -e /dev/ptym/clone; then
  AC_MSG_RESULT(yes)
  AC_DEFINE(HAVE_DEV_CLONE, 1, [Define to 1 if you have /dev/ptym/clone])
  AC_DEFINE(CLONE_DEVICE, "/dev/ptym/clone", [clone device filename])
  have_clone=yes
else
  AC_MSG_RESULT(no)
fi

AC_MSG_CHECKING(for /dev/ptc)
if test -e /dev/ptc; then
  AC_MSG_RESULT(yes)
  AC_DEFINE(HAVE_DEV_PTC, 1, [Define to 1 if you have /dev/ptc])
  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_TRY_LINK([#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],
[
AC_ARG_ENABLE(utmp,
  [  --enable-utmp           enable utmp (utmpx) support],
  [if test x$enableval = xyes -o x$enableval = xno; then
    support_utmp=$enableval
  fi])

AC_ARG_ENABLE(wtmp,
  [  --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,
  [  --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( \
        ttyslot \
        updwtmp \
        updwtmpx \
)

AC_CHECK_HEADERS( \
        utmp.h \
        utmpx.h \
        lastlog.h \
)

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

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

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

AC_CHECK_HEADER(utmpx.h,
[AC_CACHE_CHECK([for struct utmpx], struct_utmpx,
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
#include <utmpx.h>]], [[struct utmpx ut;]])],[struct_utmpx=yes],[struct_utmpx=no])])
if test x$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, struct_utmpx_host,
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
#include <utmpx.h>]], [[struct utmpx utx; utx.ut_host;]])],[struct_utmpx_host=yes],[struct_utmpx_host=no])])
if test x$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, struct_utmpx_session,
[AC_TRY_COMPILE([#include <sys/types.h>
#include <utmpx.h>],
[struct utmpx utx; utx.ut_session;],
struct_utmpx_session=yes, struct_utmpx_session=no)])
if test x$struct_utmpx_session = xyes; then
  AC_DEFINE(HAVE_UTMPX_SESSION, 1, Define if struct utmpx contains ut_session)
fi
) dnl# AC_CHECK_HEADER(utmpx.h

dnl# --------------------------------------------------------------------------
dnl# check for struct lastlog
AC_CACHE_CHECK(for struct lastlog, 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;]])],[struct_lastlog=yes],[struct_lastlog=no])])
if test x$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, 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;]])],[struct_lastlogx=yes],[struct_lastlogx=no])])
if test x$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, path_utmp,
[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.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);
}]])],[path_utmp=`cat conftestval`],[path_utmp=],[dnl
  AC_MSG_WARN(Define UTMP_FILE in config.h manually)])])
if test x$path_utmp != x; then
  AC_DEFINE_UNQUOTED(UTMP_FILE, "$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, path_utmpx,
[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.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);
}]])],[path_utmpx=`cat conftestval`],[path_utmpx=],[dnl
  AC_MSG_WARN(Define UTMPX_FILE in config.h manually)])])
if test x$path_utmpx != x; then
  AC_DEFINE_UNQUOTED(UTMPX_FILE, "$path_utmpx", Define location of utmpx)
fi

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

dnl# find wtmp
AC_CACHE_CHECK(where wtmp is located, path_wtmp,
[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.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);
}]])],[path_wtmp=`cat conftestval`],[path_wtmp=],[dnl
  AC_MSG_WARN(Define WTMP_FILE in config.h manually)])])
if test x$path_wtmp != x; then
  AC_DEFINE_UNQUOTED(WTMP_FILE, "$path_wtmp", Define location of wtmp)
fi
dnl# --------------------------------------------------------------------------

dnl# find wtmpx
AC_CACHE_CHECK(where wtmpx is located, path_wtmpx,
[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.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);
}]])],[path_wtmpx=`cat conftestval`],[path_wtmpx=],[dnl
  AC_MSG_WARN(Define WTMPX_FILE in config.h manually)])])
if test x$path_wtmpx != x; then
  AC_DEFINE_UNQUOTED(WTMPX_FILE, "$path_wtmpx", Define location of wtmpx)
fi
dnl# --------------------------------------------------------------------------

dnl# find lastlog
AC_CACHE_CHECK(where lastlog is located, path_lastlog,
[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.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);
}]])],[path_lastlog=`cat conftestval`],[path_lastlog=],[dnl
  AC_MSG_WARN(Define LASTLOG_FILE in config.h manually)])])
if test x$path_lastlog != x; then
  AC_DEFINE_UNQUOTED(LASTLOG_FILE, "$path_lastlog", Define location of lastlog)
  if test -d "$path_lastlog"; then
    AC_DEFINE(LASTLOG_IS_DIR, 1, Define if lastlog is provided via a directory)
  fi
fi
dnl# --------------------------------------------------------------------------

dnl# find lastlogx
AC_CACHE_CHECK(where lastlogx is located, path_lastlogx,
[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.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);
}]])],[path_lastlogx=`cat conftestval`],[path_lastlogx=],[dnl
  AC_MSG_WARN(Define LASTLOGX_FILE in config.h manually)])])
if test x$path_lastlogx != x; then
  AC_DEFINE_UNQUOTED(LASTLOGX_FILE, "$path_lastlogx", Define location of lastlogx)
fi

if test x$support_utmp != xyes; then
  echo "  utmp support:               disabled"
  echo
else
  echo "  utmp support:               enabled
  utmp file:                  $path_utmp
  utmpx file:                 $path_utmpx
  wtmp file:                  $path_wtmp
  wtmpx file:                 $path_wtmpx
  lastlog file:               $path_lastlog
  lastlogx file:              $path_lastlogx"
fi
])

AC_DEFUN([SCM_RIGHTS_CHECK],
[
AC_CACHE_CHECK(for unix-compliant filehandle passing ability, can_pass_fds,
[AC_TRY_LINK([
#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);
}
],[can_pass_fds=yes],[can_pass_fds=no])])
if test x$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], tty_group,
[AC_TRY_RUN([
#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;
}],
[tty_group=yes],[tty_group=no],[tty_group=no])])
if test x$tty_group = xyes; then
  AC_DEFINE(TTY_GID_SUPPORT, 1, "")
fi])

Revision:	1.4
Committed:	Mon Jan 23 10:10:39 2006 UTC (18 years, 4 months ago) by ayin
Branch:	MAIN
Changes since 1.3:	+41 -0 lines
Log Message:	* empty log message *
#	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	root	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			)
13
14			AC_CHECK_FUNCS( \
15			revoke \
16			_getpty \
17			getpt \
18			posix_openpt \
19			isastream \
20			)
21
22			have_clone=no
23
24			AC_MSG_CHECKING(for /dev/ptym/clone)
25			if test -e /dev/ptym/clone; then
26			AC_MSG_RESULT(yes)
27			AC_DEFINE(HAVE_DEV_CLONE, 1, [Define to 1 if you have /dev/ptym/clone])
28			AC_DEFINE(CLONE_DEVICE, "/dev/ptym/clone", [clone device filename])
29			have_clone=yes
30			else
31			AC_MSG_RESULT(no)
32			fi
33
34			AC_MSG_CHECKING(for /dev/ptc)
35			if test -e /dev/ptc; then
36			AC_MSG_RESULT(yes)
37			AC_DEFINE(HAVE_DEV_PTC, 1, [Define to 1 if you have /dev/ptc])
38			AC_DEFINE(CLONE_DEVICE, "/dev/ptc", [clone device filename])
39			have_clone=yes
40			else
41			AC_MSG_RESULT(no)
42			fi
43
44			case $host in
45			--cygwin*)
46			have_clone=yes
47			AC_DEFINE(CLONE_DEVICE, "/dev/ptmx", [clone device filename])
48			;;
49			*)
50			AC_MSG_CHECKING(for /dev/ptmx)
51			if test -e /dev/ptmx; then
52			AC_MSG_RESULT(yes)
53			AC_DEFINE(HAVE_DEV_PTMX, 1, [Define to 1 if you have /dev/ptmx])
54			AC_DEFINE(CLONE_DEVICE, "/dev/ptmx", [clone device filename])
55			have_clone=yes
56			else
57			AC_MSG_RESULT(no)
58			fi
59			;;
60			esac
61
62			if test x$ac_cv_func_getpt = xyes -o x$ac_cv_func_posix_openpt = xyes -o x$have_clone = xyes; then
63			AC_MSG_CHECKING(for UNIX98 ptys)
64			AC_TRY_LINK([#include <stdlib.h>],
65			[grantpt(0);unlockpt(0);ptsname(0);],
66			[unix98_pty=yes
67			AC_DEFINE(UNIX98_PTY, 1, "")
68			AC_MSG_RESULT(yes)],
69			[AC_MSG_RESULT(no)])
70			fi
71
72			if test -z "$unix98_pty"; then
73			AC_CHECK_FUNCS(openpty, [], [AC_CHECK_LIB(util, openpty, [AC_DEFINE(HAVE_OPENPTY) LIBS="$LIBS -lutil"])])
74			fi
75			])
76
77			AC_DEFUN([UTMP_CHECK],
78			[
79	ayin	1.4	AC_ARG_ENABLE(utmp,
80			[ --enable-utmp enable utmp (utmpx) support],
81			[if test x$enableval = xyes -o x$enableval = xno; then
82			support_utmp=$enableval
83			fi])
84
85			AC_ARG_ENABLE(wtmp,
86			[ --enable-wtmp enable wtmp (wtmpx) support (requires --enable-utmp)],
87			[if test x$enableval = xyes -o x$enableval = xno; then
88			support_wtmp=$enableval
89			fi])
90
91			AC_ARG_ENABLE(lastlog,
92			[ --enable-lastlog enable lastlog support (requires --enable-utmp)],
93			[if test x$enableval = xyes -o x$enableval = xno; then
94			support_lastlog=$enableval
95			fi])
96
97			if test x$support_utmp = xyes; then
98			AC_DEFINE(UTMP_SUPPORT, 1, Define if you want to have utmp/utmpx support)
99			fi
100			if test x$support_wtmp = xyes; then
101			AC_DEFINE(WTMP_SUPPORT, 1, Define if you want to have wtmp support when utmp/utmpx is enabled)
102			fi
103			if test x$support_lastlog = xyes; then
104			AC_DEFINE(LASTLOG_SUPPORT, 1, Define if you want to have lastlog support when utmp/utmpx is enabled)
105			fi
106
107	root	1.1	AC_CHECK_FUNCS( \
108			ttyslot \
109			updwtmp \
110			updwtmpx \
111			)
112
113			AC_CHECK_HEADERS( \
114			utmp.h \
115			utmpx.h \
116			lastlog.h \
117			)
118
119			dnl# --------------------------------------------------------------------------
120			dnl# DO ALL UTMP AND WTMP CHECKING
121			dnl# --------------------------------------------------------------------------
122			dnl# check for host field in utmp structure
123
124			dnl# --------------------------------------------
125			AC_CHECK_HEADER(utmp.h,
126			[AC_CACHE_CHECK([for struct utmp], struct_utmp,
127			[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
128			#include <utmp.h>]], [[struct utmp ut;]])],[struct_utmp=yes],[struct_utmp=no])])
129			if test x$struct_utmp = xyes; then
130			AC_DEFINE(HAVE_STRUCT_UTMP, 1, Define if utmp.h has struct utmp)
131			fi
132			]
133
134			AC_CACHE_CHECK(for ut_host in utmp struct, struct_utmp_host,
135			[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
136			#include <utmp.h>]], [[struct utmp ut; ut.ut_host;]])],[struct_utmp_host=yes],[struct_utmp_host=no])])
137			if test x$struct_utmp_host = xyes; then
138			AC_DEFINE(HAVE_UTMP_HOST, 1, Define if struct utmp contains ut_host)
139			fi
140
141			AC_CACHE_CHECK(for ut_pid in utmp struct, struct_utmp_pid,
142			[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
143			#include <utmp.h>]], [[struct utmp ut; ut.ut_pid;]])],[struct_utmp_pid=yes],[struct_utmp_pid=no])])
144			if test x$struct_utmp_pid = xyes; then
145			AC_DEFINE(HAVE_UTMP_PID, 1, Define if struct utmp contains ut_pid)
146			fi
147			) dnl# AC_CHECK_HEADER(utmp.h
148
149			dnl# --------------------------------------------
150
151			AC_CHECK_HEADER(utmpx.h,
152			[AC_CACHE_CHECK([for struct utmpx], struct_utmpx,
153			[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
154			#include <utmpx.h>]], [[struct utmpx ut;]])],[struct_utmpx=yes],[struct_utmpx=no])])
155			if test x$struct_utmpx = xyes; then
156			AC_DEFINE(HAVE_STRUCT_UTMPX, 1, Define if utmpx.h has struct utmpx)
157			fi
158			]
159
160			AC_CACHE_CHECK(for host in utmpx struct, struct_utmpx_host,
161			[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
162			#include <utmpx.h>]], [[struct utmpx utx; utx.ut_host;]])],[struct_utmpx_host=yes],[struct_utmpx_host=no])])
163			if test x$struct_utmpx_host = xyes; then
164			AC_DEFINE(HAVE_UTMPX_HOST, 1, Define if struct utmpx contains ut_host)
165			fi
166
167			AC_CACHE_CHECK(for session in utmpx struct, struct_utmpx_session,
168			[AC_TRY_COMPILE([#include <sys/types.h>
169			#include <utmpx.h>],
170			[struct utmpx utx; utx.ut_session;],
171			struct_utmpx_session=yes, struct_utmpx_session=no)])
172			if test x$struct_utmpx_session = xyes; then
173			AC_DEFINE(HAVE_UTMPX_SESSION, 1, Define if struct utmpx contains ut_session)
174			fi
175			) dnl# AC_CHECK_HEADER(utmpx.h
176
177			dnl# --------------------------------------------------------------------------
178			dnl# check for struct lastlog
179			AC_CACHE_CHECK(for struct lastlog, struct_lastlog,
180			[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
181			#include <utmp.h>
182			#ifdef HAVE_LASTLOG_H
183			#include <lastlog.h>
184			#endif
185			]], [[struct lastlog ll;]])],[struct_lastlog=yes],[struct_lastlog=no])])
186			if test x$struct_lastlog = xyes; then
187			AC_DEFINE(HAVE_STRUCT_LASTLOG, 1, Define if utmp.h or lastlog.h has struct lastlog)
188			fi
189
190			dnl# check for struct lastlogx
191			AC_CACHE_CHECK(for struct lastlogx, struct_lastlogx,
192			[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
193			#include <utmpx.h>
194			#ifdef HAVE_LASTLOG_H
195			#include <lastlog.h>
196			#endif
197			]], [[struct lastlogx ll;]])],[struct_lastlogx=yes],[struct_lastlogx=no])])
198			if test x$struct_lastlogx = xyes; then
199			AC_DEFINE(HAVE_STRUCT_LASTLOGX, 1, Define if utmpx.h or lastlog.h has struct lastlogx)
200			fi
201
202			dnl# --------------------------------------------------------------------------
203			dnl# FIND FILES
204			dnl# --------------------------------------------------------------------------
205
206			dnl# find utmp
207			AC_CACHE_CHECK(where utmp is located, path_utmp,
208			[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
209			#include <sys/types.h>
210			#include <utmp.h>
211			#include <errno.h>
212			main()
213			{
214			char *u, utmplist[] = {
215			"/var/run/utmp", "/var/adm/utmp", "/etc/utmp", "/usr/etc/utmp", "/usr/adm/utmp", NULL };
216			FILE a, f=fopen("conftestval", "w");
217			if (!f) exit(1);
218			#ifdef UTMP_FILE
219			fprintf(f, "%s\n", UTMP_FILE);
220			exit(0);
221			#endif
222			#ifdef _PATH_UTMP
223			fprintf(f, "%s\n", _PATH_UTMP);
224			exit(0);
225			#endif
226			for (u = utmplist; *u; u++) {
227			if ((a = fopen(*u, "r")) != NULL \|\| errno == EACCES) {
228			fprintf(f, "%s\n", *u);
229			exit(0);
230			}
231			}
232			exit(0);
233			}]])],[path_utmp=`cat conftestval`],[path_utmp=],[dnl
234			AC_MSG_WARN(Define UTMP_FILE in config.h manually)])])
235			if test x$path_utmp != x; then
236			AC_DEFINE_UNQUOTED(UTMP_FILE, "$path_utmp", Define location of utmp)
237			fi
238
239			dnl# --------------------------------------------------------------------------
240
241			dnl# find utmpx - if a utmp file exists at the same location and is more than
242			dnl# a day newer, then dump the utmpx. People leave lots of junk around.
243			AC_CACHE_CHECK(where utmpx is located, path_utmpx,
244			[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
245			#include <sys/types.h>
246			#include <utmpx.h>
247			#include <errno.h>
248			#include <sys/stat.h>
249			#ifdef HAVE_STRING_H
250			#include <string.h>
251			#endif
252			main()
253			{
254			char *u, p, *utmplist[] = {
255			#ifdef UTMPX_FILE
256			UTMPX_FILE,
257			#endif
258			#ifdef _PATH_UTMPX
259			_PATH_UTMPX,
260			#endif
261			"/var/adm/utmpx", "/etc/utmpx", NULL };
262			FILE a, f=fopen("conftestval", "w");
263			struct stat statu, statux;
264			if (!f) exit(1);
265			for (u = utmplist; *u; u++) {
266			if ((a = fopen(*u, "r")) != NULL \|\| errno == EACCES) {
267			if (stat(*u, &statux) < 0)
268			continue;
269			p = strdup(*u);
270			p[strlen(p) - 1] = '\0';
271			if (stat(p, &statu) >= 0
272			&& (statu.st_mtime - statux.st_mtime > 86400))
273			continue;
274			fprintf(f, "%s\n", *u);
275			exit(0);
276			}
277			}
278			exit(0);
279			}]])],[path_utmpx=`cat conftestval`],[path_utmpx=],[dnl
280			AC_MSG_WARN(Define UTMPX_FILE in config.h manually)])])
281			if test x$path_utmpx != x; then
282			AC_DEFINE_UNQUOTED(UTMPX_FILE, "$path_utmpx", Define location of utmpx)
283			fi
284
285			dnl# --------------------------------------------------------------------------
286
287			dnl# find wtmp
288			AC_CACHE_CHECK(where wtmp is located, path_wtmp,
289			[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
290			#include <sys/types.h>
291			#ifdef HAVE_UTMP_H
292			#include <utmp.h>
293			#endif
294			#include <errno.h>
295			main()
296			{
297			char *w, wtmplist[] = {
298			"/var/log/wtmp", "/var/adm/wtmp", "/etc/wtmp", "/usr/etc/wtmp", "/usr/adm/wtmp", NULL };
299			FILE a, f=fopen("conftestval", "w");
300			if (!f) exit(1);
301			#ifdef WTMP_FILE
302			fprintf(f, "%s\n", WTMP_FILE);
303			exit(0);
304			#endif
305			#ifdef _PATH_WTMP
306			fprintf(f, "%s\n", _PATH_WTMP);
307			exit(0);
308			#endif
309			for (w = wtmplist; *w; w++) {
310			if ((a = fopen(*w, "r")) != NULL \|\| errno == EACCES) {
311			fprintf(f, "%s\n", *w);
312			exit(0);
313			}
314			}
315			exit(0);
316			}]])],[path_wtmp=`cat conftestval`],[path_wtmp=],[dnl
317			AC_MSG_WARN(Define WTMP_FILE in config.h manually)])])
318			if test x$path_wtmp != x; then
319			AC_DEFINE_UNQUOTED(WTMP_FILE, "$path_wtmp", Define location of wtmp)
320			fi
321			dnl# --------------------------------------------------------------------------
322
323			dnl# find wtmpx
324			AC_CACHE_CHECK(where wtmpx is located, path_wtmpx,
325			[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
326			#ifdef HAVE_UTMPX_H
327			#include <utmpx.h>
328			#endif
329			#include <errno.h>
330			main()
331			{
332			char *w, wtmplist[] = {
333			"/var/log/wtmpx", "/var/adm/wtmpx", NULL };
334			FILE a, f=fopen("conftestval", "w");
335			if (!f) exit(1);
336			#ifdef WTMPX_FILE
337			fprintf(f, "%s\n", WTMPX_FILE);
338			exit(0);
339			#endif
340			#ifdef _PATH_WTMPX
341			fprintf(f, "%s\n", _PATH_WTMPX);
342			exit(0);
343			#endif
344			for (w = wtmplist; *w; w++) {
345			if ((a = fopen(*w, "r")) != NULL \|\| errno == EACCES) {
346			fprintf(f, "%s\n", *w);
347			exit(0);
348			}
349			}
350			exit(0);
351			}]])],[path_wtmpx=`cat conftestval`],[path_wtmpx=],[dnl
352			AC_MSG_WARN(Define WTMPX_FILE in config.h manually)])])
353			if test x$path_wtmpx != x; then
354			AC_DEFINE_UNQUOTED(WTMPX_FILE, "$path_wtmpx", Define location of wtmpx)
355			fi
356			dnl# --------------------------------------------------------------------------
357
358			dnl# find lastlog
359			AC_CACHE_CHECK(where lastlog is located, path_lastlog,
360			[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
361			#include <sys/types.h>
362			#ifdef HAVE_UTMPX_H
363			#include <utmpx.h>
364			#elif defined(HAVE_UTMP_H)
365			#include <utmp.h>
366			#endif
367			#ifdef HAVE_LASTLOG_H
368			#include <lastlog.h>
369			#endif
370			#include <errno.h>
371			main()
372			{
373			char *w, lastloglist[] = { "/var/log/lastlog", NULL };
374			FILE a, f=fopen("conftestval", "w");
375			if (!f) exit(1);
376			#ifdef LASTLOG_FILE
377			fprintf(f, "%s\n", LASTLOG_FILE);
378			exit(0);
379			#endif
380			#ifdef _PATH_LASTLOG
381			fprintf(f, "%s\n", _PATH_LASTLOG);
382			exit(0);
383			#endif
384			for (w = lastloglist; *w; w++) {
385			if ((a = fopen(*w, "r")) != NULL \|\| errno == EACCES) {
386			fprintf(f, "%s\n", *w);
387			exit(0);
388			}
389			}
390			exit(0);
391			}]])],[path_lastlog=`cat conftestval`],[path_lastlog=],[dnl
392			AC_MSG_WARN(Define LASTLOG_FILE in config.h manually)])])
393			if test x$path_lastlog != x; then
394			AC_DEFINE_UNQUOTED(LASTLOG_FILE, "$path_lastlog", Define location of lastlog)
395			if test -d "$path_lastlog"; then
396			AC_DEFINE(LASTLOG_IS_DIR, 1, Define if lastlog is provided via a directory)
397			fi
398			fi
399			dnl# --------------------------------------------------------------------------
400
401			dnl# find lastlogx
402			AC_CACHE_CHECK(where lastlogx is located, path_lastlogx,
403			[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
404			#ifdef HAVE_UTMPX_H
405			#include <utmpx.h>
406			#endif
407			#include <errno.h>
408			main()
409			{
410			char *w, wtmplist[] = { "/var/log/lastlogx", "/var/adm/lastlogx", NULL };
411			FILE a, f=fopen("conftestval", "w");
412			if (!f) exit(1);
413			#ifdef LASTLOGX_FILE
414			fprintf(f, "%s\n", LASTLOGX_FILE);
415			exit(0);
416			#endif
417			#ifdef _PATH_LASTLOGX
418			fprintf(f, "%s\n", _PATH_LASTLOGX);
419			exit(0);
420			#endif
421			for (w = wtmplist; *w; w++) {
422			if ((a = fopen(*w, "r")) != NULL \|\| errno == EACCES) {
423			fprintf(f, "%s\n", *w);
424			exit(0);
425			}
426			}
427			exit(0);
428			}]])],[path_lastlogx=`cat conftestval`],[path_lastlogx=],[dnl
429			AC_MSG_WARN(Define LASTLOGX_FILE in config.h manually)])])
430			if test x$path_lastlogx != x; then
431			AC_DEFINE_UNQUOTED(LASTLOGX_FILE, "$path_lastlogx", Define location of lastlogx)
432			fi
433	ayin	1.4
434			if test x$support_utmp != xyes; then
435			echo " utmp support: disabled"
436			echo
437			else
438			echo " utmp support: enabled
439			utmp file: $path_utmp
440			utmpx file: $path_utmpx
441			wtmp file: $path_wtmp
442			wtmpx file: $path_wtmpx
443			lastlog file: $path_lastlog
444			lastlogx file: $path_lastlogx"
445			fi
446	root	1.1	])
447
448			AC_DEFUN([SCM_RIGHTS_CHECK],
449			[
450			AC_CACHE_CHECK(for unix-compliant filehandle passing ability, can_pass_fds,
451			[AC_TRY_LINK([
452			#include <cstddef> // broken bsds (is that redundant) need this
453			#include <sys/types.h>
454			#include <sys/socket.h>
455			#include <sys/uio.h>
456			],[
457			{
458			msghdr msg;
459			iovec iov;
460			char buf [100];
461			char data = 0;
462
463			iov.iov_base = &data;
464			iov.iov_len = 1;
465
466			msg.msg_iov = &iov;
467			msg.msg_iovlen = 1;
468			msg.msg_control = buf;
469			msg.msg_controllen = sizeof buf;
470
471			cmsghdr *cmsg = CMSG_FIRSTHDR (&msg);
472			cmsg->cmsg_level = SOL_SOCKET;
473			cmsg->cmsg_type = SCM_RIGHTS;
474			cmsg->cmsg_len = 100;
475
476			(int )CMSG_DATA (cmsg) = 5;
477
478			return sendmsg (3, &msg, 0);
479			}
480			],[can_pass_fds=yes],[can_pass_fds=no])])
481			if test x$can_pass_fds = xyes; then
482			AC_DEFINE(HAVE_UNIX_FDPASS, 1, Define if sys/socket.h defines the necessary macros/functions for file handle passing)
483			else
484			AC_MSG_ERROR([libptytty requires unix-compliant filehandle passing ability])
485			fi
486			])
487	ayin	1.3
488			AC_DEFUN([TTY_GROUP_CHECK],
489			[
490			AC_CACHE_CHECK([for tty group], tty_group,
491			[AC_TRY_RUN([
492			#include <sys/types.h>
493			#include <sys/stat.h>
494			#include <unistd.h>
495			#include <grp.h>
496
497			main()
498			{
499			struct stat st;
500			struct group *gr;
501			char *tty;
502			gr = getgrnam("tty");
503			tty = ttyname(0);
504			if (gr != 0
505			&& tty != 0
506			&& (stat(tty, &st)) == 0
507			&& st.st_gid == gr->gr_gid)
508			return 0;
509			else
510			return 1;
511			}],
512			[tty_group=yes],[tty_group=no],[tty_group=no])])
513			if test x$tty_group = xyes; then
514			AC_DEFINE(TTY_GID_SUPPORT, 1, "")
515			fi])
516