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 \
)

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

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_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], 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_HEADERS(utmp.h

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

AC_CHECK_HEADERS(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_COMPILE_IFELSE([AC_LANG_PROGRAM([[#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_HEADERS(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 <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);
}]])],[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 <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);
}]])],[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 <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);
}]])],[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>
#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);
}]])],[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 <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);
}]])],[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)
fi
dnl# --------------------------------------------------------------------------

dnl# find lastlogx
AC_CACHE_CHECK(where lastlogx is located, 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);
}]])],[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
])

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

Revision:	1.16
Committed:	Mon Dec 24 01:04:37 2007 UTC (16 years, 5 months ago) by ayin
Branch:	MAIN
Changes since 1.15:	+9 -12 lines
Log Message:	autoupdate.
#	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			)
13
14			AC_CHECK_FUNCS( \
15			revoke \
16			_getpty \
17			getpt \
18			posix_openpt \
19			isastream \
20	root	1.7	setuid \
21			seteuid \
22			setreuid \
23			setresuid \
24	ayin	1.1	)
25
26			have_clone=no
27
28			AC_MSG_CHECKING(for /dev/ptym/clone)
29			if test -e /dev/ptym/clone; then
30			AC_MSG_RESULT(yes)
31			AC_DEFINE(HAVE_DEV_CLONE, 1, [Define to 1 if you have /dev/ptym/clone])
32			AC_DEFINE(CLONE_DEVICE, "/dev/ptym/clone", [clone device filename])
33			have_clone=yes
34			else
35			AC_MSG_RESULT(no)
36			fi
37
38			AC_MSG_CHECKING(for /dev/ptc)
39			if test -e /dev/ptc; then
40			AC_MSG_RESULT(yes)
41			AC_DEFINE(HAVE_DEV_PTC, 1, [Define to 1 if you have /dev/ptc])
42			AC_DEFINE(CLONE_DEVICE, "/dev/ptc", [clone device filename])
43			have_clone=yes
44			else
45			AC_MSG_RESULT(no)
46			fi
47
48			case $host in
49			--cygwin*)
50			have_clone=yes
51			AC_DEFINE(CLONE_DEVICE, "/dev/ptmx", [clone device filename])
52			;;
53			*)
54			AC_MSG_CHECKING(for /dev/ptmx)
55			if test -e /dev/ptmx; then
56			AC_MSG_RESULT(yes)
57			AC_DEFINE(HAVE_DEV_PTMX, 1, [Define to 1 if you have /dev/ptmx])
58			AC_DEFINE(CLONE_DEVICE, "/dev/ptmx", [clone device filename])
59			have_clone=yes
60			else
61			AC_MSG_RESULT(no)
62			fi
63			;;
64			esac
65
66			if test x$ac_cv_func_getpt = xyes -o x$ac_cv_func_posix_openpt = xyes -o x$have_clone = xyes; then
67			AC_MSG_CHECKING(for UNIX98 ptys)
68	ayin	1.16	AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <stdlib.h>]],
69			[[grantpt(0);unlockpt(0);ptsname(0);]])],
70	ayin	1.1	[unix98_pty=yes
71			AC_DEFINE(UNIX98_PTY, 1, "")
72			AC_MSG_RESULT(yes)],
73			[AC_MSG_RESULT(no)])
74			fi
75
76			if test -z "$unix98_pty"; then
77			AC_CHECK_FUNCS(openpty, [], [AC_CHECK_LIB(util, openpty, [AC_DEFINE(HAVE_OPENPTY) LIBS="$LIBS -lutil"])])
78			fi
79			])
80
81			AC_DEFUN([UTMP_CHECK],
82			[
83	ayin	1.5	support_utmp=yes
84			support_wtmp=yes
85			support_lastlog=yes
86
87	ayin	1.4	AC_ARG_ENABLE(utmp,
88	ayin	1.11	[AS_HELP_STRING([--enable-utmp],[enable utmp (utmpx) support])],
89	ayin	1.4	[if test x$enableval = xyes -o x$enableval = xno; then
90			support_utmp=$enableval
91			fi])
92
93			AC_ARG_ENABLE(wtmp,
94	ayin	1.11	[AS_HELP_STRING([--enable-wtmp],[enable wtmp (wtmpx) support (requires --enable-utmp)])],
95	ayin	1.4	[if test x$enableval = xyes -o x$enableval = xno; then
96			support_wtmp=$enableval
97			fi])
98
99			AC_ARG_ENABLE(lastlog,
100	ayin	1.11	[AS_HELP_STRING([--enable-lastlog],[enable lastlog support (requires --enable-utmp)])],
101	ayin	1.4	[if test x$enableval = xyes -o x$enableval = xno; then
102			support_lastlog=$enableval
103			fi])
104
105			if test x$support_utmp = xyes; then
106			AC_DEFINE(UTMP_SUPPORT, 1, Define if you want to have utmp/utmpx support)
107			fi
108			if test x$support_wtmp = xyes; then
109			AC_DEFINE(WTMP_SUPPORT, 1, Define if you want to have wtmp support when utmp/utmpx is enabled)
110			fi
111			if test x$support_lastlog = xyes; then
112			AC_DEFINE(LASTLOG_SUPPORT, 1, Define if you want to have lastlog support when utmp/utmpx is enabled)
113			fi
114
115	ayin	1.1	AC_CHECK_FUNCS( \
116			updwtmp \
117			updwtmpx \
118	ayin	1.12	updlastlogx \
119	ayin	1.1	)
120
121	ayin	1.15	AC_CHECK_HEADERS(lastlog.h)
122	ayin	1.1
123			dnl# --------------------------------------------------------------------------
124			dnl# DO ALL UTMP AND WTMP CHECKING
125			dnl# --------------------------------------------------------------------------
126			dnl# check for host field in utmp structure
127
128			dnl# --------------------------------------------
129	ayin	1.15	AC_CHECK_HEADERS(utmp.h,
130	ayin	1.1	[AC_CACHE_CHECK([for struct utmp], struct_utmp,
131			[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
132			#include <utmp.h>]], [[struct utmp ut;]])],[struct_utmp=yes],[struct_utmp=no])])
133			if test x$struct_utmp = xyes; then
134			AC_DEFINE(HAVE_STRUCT_UTMP, 1, Define if utmp.h has struct utmp)
135			fi
136			]
137
138			AC_CACHE_CHECK(for ut_host in utmp struct, struct_utmp_host,
139			[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
140			#include <utmp.h>]], [[struct utmp ut; ut.ut_host;]])],[struct_utmp_host=yes],[struct_utmp_host=no])])
141			if test x$struct_utmp_host = xyes; then
142			AC_DEFINE(HAVE_UTMP_HOST, 1, Define if struct utmp contains ut_host)
143			fi
144
145			AC_CACHE_CHECK(for ut_pid in utmp struct, struct_utmp_pid,
146			[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
147			#include <utmp.h>]], [[struct utmp ut; ut.ut_pid;]])],[struct_utmp_pid=yes],[struct_utmp_pid=no])])
148			if test x$struct_utmp_pid = xyes; then
149			AC_DEFINE(HAVE_UTMP_PID, 1, Define if struct utmp contains ut_pid)
150			fi
151	ayin	1.15	) dnl# AC_CHECK_HEADERS(utmp.h
152	ayin	1.1
153			dnl# --------------------------------------------
154
155	ayin	1.15	AC_CHECK_HEADERS(utmpx.h,
156	ayin	1.1	[AC_CACHE_CHECK([for struct utmpx], struct_utmpx,
157			[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
158			#include <utmpx.h>]], [[struct utmpx ut;]])],[struct_utmpx=yes],[struct_utmpx=no])])
159			if test x$struct_utmpx = xyes; then
160			AC_DEFINE(HAVE_STRUCT_UTMPX, 1, Define if utmpx.h has struct utmpx)
161			fi
162			]
163
164			AC_CACHE_CHECK(for host in utmpx struct, struct_utmpx_host,
165			[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
166			#include <utmpx.h>]], [[struct utmpx utx; utx.ut_host;]])],[struct_utmpx_host=yes],[struct_utmpx_host=no])])
167			if test x$struct_utmpx_host = xyes; then
168			AC_DEFINE(HAVE_UTMPX_HOST, 1, Define if struct utmpx contains ut_host)
169			fi
170
171			AC_CACHE_CHECK(for session in utmpx struct, struct_utmpx_session,
172	ayin	1.16	[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
173			#include <utmpx.h>]], [[struct utmpx utx; utx.ut_session;]])],[struct_utmpx_session=yes],[struct_utmpx_session=no])])
174	ayin	1.1	if test x$struct_utmpx_session = xyes; then
175			AC_DEFINE(HAVE_UTMPX_SESSION, 1, Define if struct utmpx contains ut_session)
176			fi
177	ayin	1.15	) dnl# AC_CHECK_HEADERS(utmpx.h
178	ayin	1.1
179			dnl# --------------------------------------------------------------------------
180			dnl# check for struct lastlog
181			AC_CACHE_CHECK(for struct lastlog, struct_lastlog,
182			[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
183			#include <utmp.h>
184			#ifdef HAVE_LASTLOG_H
185			#include <lastlog.h>
186			#endif
187			]], [[struct lastlog ll;]])],[struct_lastlog=yes],[struct_lastlog=no])])
188			if test x$struct_lastlog = xyes; then
189			AC_DEFINE(HAVE_STRUCT_LASTLOG, 1, Define if utmp.h or lastlog.h has struct lastlog)
190			fi
191
192			dnl# check for struct lastlogx
193			AC_CACHE_CHECK(for struct lastlogx, struct_lastlogx,
194			[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
195			#include <utmpx.h>
196			#ifdef HAVE_LASTLOG_H
197			#include <lastlog.h>
198			#endif
199			]], [[struct lastlogx ll;]])],[struct_lastlogx=yes],[struct_lastlogx=no])])
200			if test x$struct_lastlogx = xyes; then
201			AC_DEFINE(HAVE_STRUCT_LASTLOGX, 1, Define if utmpx.h or lastlog.h has struct lastlogx)
202			fi
203
204			dnl# --------------------------------------------------------------------------
205			dnl# FIND FILES
206			dnl# --------------------------------------------------------------------------
207
208			dnl# find utmp
209			AC_CACHE_CHECK(where utmp is located, path_utmp,
210			[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
211	ayin	1.9	#include <stdlib.h>
212	ayin	1.1	#include <sys/types.h>
213			#include <utmp.h>
214			#include <errno.h>
215			main()
216			{
217			char *u, utmplist[] = {
218			"/var/run/utmp", "/var/adm/utmp", "/etc/utmp", "/usr/etc/utmp", "/usr/adm/utmp", NULL };
219			FILE a, f=fopen("conftestval", "w");
220			if (!f) exit(1);
221			#ifdef UTMP_FILE
222			fprintf(f, "%s\n", UTMP_FILE);
223			exit(0);
224			#endif
225			#ifdef _PATH_UTMP
226			fprintf(f, "%s\n", _PATH_UTMP);
227			exit(0);
228			#endif
229			for (u = utmplist; *u; u++) {
230			if ((a = fopen(*u, "r")) != NULL \|\| errno == EACCES) {
231			fprintf(f, "%s\n", *u);
232			exit(0);
233			}
234			}
235			exit(0);
236			}]])],[path_utmp=`cat conftestval`],[path_utmp=],[dnl
237			AC_MSG_WARN(Define UTMP_FILE in config.h manually)])])
238			if test x$path_utmp != x; then
239			AC_DEFINE_UNQUOTED(UTMP_FILE, "$path_utmp", Define location of utmp)
240			fi
241
242			dnl# --------------------------------------------------------------------------
243
244			dnl# find utmpx - if a utmp file exists at the same location and is more than
245			dnl# a day newer, then dump the utmpx. People leave lots of junk around.
246			AC_CACHE_CHECK(where utmpx is located, path_utmpx,
247			[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
248	ayin	1.9	#include <stdlib.h>
249	ayin	1.1	#include <sys/types.h>
250			#include <utmpx.h>
251			#include <errno.h>
252			#include <sys/stat.h>
253			#ifdef HAVE_STRING_H
254			#include <string.h>
255			#endif
256			main()
257			{
258			char *u, p, *utmplist[] = {
259			#ifdef UTMPX_FILE
260			UTMPX_FILE,
261			#endif
262			#ifdef _PATH_UTMPX
263			_PATH_UTMPX,
264			#endif
265			"/var/adm/utmpx", "/etc/utmpx", NULL };
266			FILE a, f=fopen("conftestval", "w");
267			struct stat statu, statux;
268			if (!f) exit(1);
269			for (u = utmplist; *u; u++) {
270			if ((a = fopen(*u, "r")) != NULL \|\| errno == EACCES) {
271			if (stat(*u, &statux) < 0)
272			continue;
273			p = strdup(*u);
274			p[strlen(p) - 1] = '\0';
275			if (stat(p, &statu) >= 0
276			&& (statu.st_mtime - statux.st_mtime > 86400))
277			continue;
278			fprintf(f, "%s\n", *u);
279			exit(0);
280			}
281			}
282			exit(0);
283			}]])],[path_utmpx=`cat conftestval`],[path_utmpx=],[dnl
284			AC_MSG_WARN(Define UTMPX_FILE in config.h manually)])])
285			if test x$path_utmpx != x; then
286			AC_DEFINE_UNQUOTED(UTMPX_FILE, "$path_utmpx", Define location of utmpx)
287			fi
288
289			dnl# --------------------------------------------------------------------------
290
291			dnl# find wtmp
292			AC_CACHE_CHECK(where wtmp is located, path_wtmp,
293			[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
294	ayin	1.9	#include <stdlib.h>
295	ayin	1.1	#include <sys/types.h>
296			#ifdef HAVE_UTMP_H
297			#include <utmp.h>
298			#endif
299			#include <errno.h>
300			main()
301			{
302			char *w, wtmplist[] = {
303	ayin	1.10	"/var/log/wtmp", "/var/adm/wtmp", "/etc/wtmp", "/usr/etc/wtmp", "/usr/adm/wtmp", NULL };
304	ayin	1.1	FILE a, f=fopen("conftestval", "w");
305			if (!f) exit(1);
306			#ifdef WTMP_FILE
307			fprintf(f, "%s\n", WTMP_FILE);
308			exit(0);
309			#endif
310			#ifdef _PATH_WTMP
311			fprintf(f, "%s\n", _PATH_WTMP);
312			exit(0);
313			#endif
314			for (w = wtmplist; *w; w++) {
315			if ((a = fopen(*w, "r")) != NULL \|\| errno == EACCES) {
316			fprintf(f, "%s\n", *w);
317			exit(0);
318			}
319			}
320			exit(0);
321			}]])],[path_wtmp=`cat conftestval`],[path_wtmp=],[dnl
322			AC_MSG_WARN(Define WTMP_FILE in config.h manually)])])
323			if test x$path_wtmp != x; then
324			AC_DEFINE_UNQUOTED(WTMP_FILE, "$path_wtmp", Define location of wtmp)
325			fi
326			dnl# --------------------------------------------------------------------------
327
328			dnl# find wtmpx
329			AC_CACHE_CHECK(where wtmpx is located, path_wtmpx,
330			[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
331	ayin	1.9	#include <stdlib.h>
332	ayin	1.1	#ifdef HAVE_UTMPX_H
333			#include <utmpx.h>
334			#endif
335			#include <errno.h>
336			main()
337			{
338			char *w, wtmplist[] = {
339	ayin	1.10	"/var/log/wtmpx", "/var/adm/wtmpx", NULL };
340	ayin	1.1	FILE a, f=fopen("conftestval", "w");
341			if (!f) exit(1);
342			#ifdef WTMPX_FILE
343			fprintf(f, "%s\n", WTMPX_FILE);
344			exit(0);
345			#endif
346			#ifdef _PATH_WTMPX
347			fprintf(f, "%s\n", _PATH_WTMPX);
348			exit(0);
349			#endif
350			for (w = wtmplist; *w; w++) {
351			if ((a = fopen(*w, "r")) != NULL \|\| errno == EACCES) {
352			fprintf(f, "%s\n", *w);
353			exit(0);
354			}
355			}
356			exit(0);
357			}]])],[path_wtmpx=`cat conftestval`],[path_wtmpx=],[dnl
358			AC_MSG_WARN(Define WTMPX_FILE in config.h manually)])])
359			if test x$path_wtmpx != x; then
360			AC_DEFINE_UNQUOTED(WTMPX_FILE, "$path_wtmpx", Define location of wtmpx)
361			fi
362			dnl# --------------------------------------------------------------------------
363
364			dnl# find lastlog
365			AC_CACHE_CHECK(where lastlog is located, path_lastlog,
366			[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
367	ayin	1.9	#include <stdlib.h>
368	ayin	1.1	#include <sys/types.h>
369			#ifdef HAVE_UTMPX_H
370			#include <utmpx.h>
371			#elif defined(HAVE_UTMP_H)
372			#include <utmp.h>
373			#endif
374			#ifdef HAVE_LASTLOG_H
375			#include <lastlog.h>
376			#endif
377			#include <errno.h>
378			main()
379			{
380			char *w, lastloglist[] = { "/var/log/lastlog", NULL };
381			FILE a, f=fopen("conftestval", "w");
382			if (!f) exit(1);
383			#ifdef LASTLOG_FILE
384			fprintf(f, "%s\n", LASTLOG_FILE);
385			exit(0);
386			#endif
387			#ifdef _PATH_LASTLOG
388			fprintf(f, "%s\n", _PATH_LASTLOG);
389			exit(0);
390			#endif
391			for (w = lastloglist; *w; w++) {
392			if ((a = fopen(*w, "r")) != NULL \|\| errno == EACCES) {
393			fprintf(f, "%s\n", *w);
394			exit(0);
395			}
396			}
397			exit(0);
398			}]])],[path_lastlog=`cat conftestval`],[path_lastlog=],[dnl
399			AC_MSG_WARN(Define LASTLOG_FILE in config.h manually)])])
400			if test x$path_lastlog != x; then
401			AC_DEFINE_UNQUOTED(LASTLOG_FILE, "$path_lastlog", Define location of lastlog)
402			fi
403			dnl# --------------------------------------------------------------------------
404
405			dnl# find lastlogx
406			AC_CACHE_CHECK(where lastlogx is located, path_lastlogx,
407			[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
408	ayin	1.9	#include <stdlib.h>
409	ayin	1.1	#ifdef HAVE_UTMPX_H
410			#include <utmpx.h>
411			#endif
412			#include <errno.h>
413			main()
414			{
415			char *w, wtmplist[] = { "/var/log/lastlogx", "/var/adm/lastlogx", NULL };
416			FILE a, f=fopen("conftestval", "w");
417			if (!f) exit(1);
418			#ifdef LASTLOGX_FILE
419			fprintf(f, "%s\n", LASTLOGX_FILE);
420			exit(0);
421			#endif
422			#ifdef _PATH_LASTLOGX
423			fprintf(f, "%s\n", _PATH_LASTLOGX);
424			exit(0);
425			#endif
426			for (w = wtmplist; *w; w++) {
427			if ((a = fopen(*w, "r")) != NULL \|\| errno == EACCES) {
428			fprintf(f, "%s\n", *w);
429			exit(0);
430			}
431			}
432			exit(0);
433			}]])],[path_lastlogx=`cat conftestval`],[path_lastlogx=],[dnl
434			AC_MSG_WARN(Define LASTLOGX_FILE in config.h manually)])])
435			if test x$path_lastlogx != x; then
436			AC_DEFINE_UNQUOTED(LASTLOGX_FILE, "$path_lastlogx", Define location of lastlogx)
437			fi
438			])
439
440			AC_DEFUN([SCM_RIGHTS_CHECK],
441			[
442			AC_CACHE_CHECK(for unix-compliant filehandle passing ability, can_pass_fds,
443	ayin	1.16	[AC_LINK_IFELSE([AC_LANG_PROGRAM([[
444	root	1.6	#include <cstddef> // broken bsds (is that redundant?) need this
445	ayin	1.1	#include <sys/types.h>
446			#include <sys/socket.h>
447			#include <sys/uio.h>
448	ayin	1.16	]], [[
449	ayin	1.1	{
450			msghdr msg;
451			iovec iov;
452			char buf [100];
453			char data = 0;
454
455			iov.iov_base = &data;
456			iov.iov_len = 1;
457
458			msg.msg_iov = &iov;
459			msg.msg_iovlen = 1;
460			msg.msg_control = buf;
461			msg.msg_controllen = sizeof buf;
462
463			cmsghdr *cmsg = CMSG_FIRSTHDR (&msg);
464			cmsg->cmsg_level = SOL_SOCKET;
465			cmsg->cmsg_type = SCM_RIGHTS;
466			cmsg->cmsg_len = 100;
467
468			(int )CMSG_DATA (cmsg) = 5;
469
470			return sendmsg (3, &msg, 0);
471			}
472	ayin	1.16	]])],[can_pass_fds=yes],[can_pass_fds=no])])
473	ayin	1.1	if test x$can_pass_fds = xyes; then
474			AC_DEFINE(HAVE_UNIX_FDPASS, 1, Define if sys/socket.h defines the necessary macros/functions for file handle passing)
475			else
476			AC_MSG_ERROR([libptytty requires unix-compliant filehandle passing ability])
477			fi
478			])
479	ayin	1.3
480			AC_DEFUN([TTY_GROUP_CHECK],
481			[
482			AC_CACHE_CHECK([for tty group], tty_group,
483	ayin	1.16	[AC_RUN_IFELSE([AC_LANG_SOURCE([[
484	ayin	1.3	#include <sys/types.h>
485			#include <sys/stat.h>
486			#include <unistd.h>
487			#include <grp.h>
488
489			main()
490			{
491			struct stat st;
492			struct group *gr;
493			char *tty;
494			gr = getgrnam("tty");
495			tty = ttyname(0);
496			if (gr != 0
497			&& tty != 0
498			&& (stat(tty, &st)) == 0
499			&& st.st_gid == gr->gr_gid)
500			return 0;
501			else
502			return 1;
503	ayin	1.16	}]])],[tty_group=yes],[tty_group=no],[tty_group=no])])
504	ayin	1.3	if test x$tty_group = xyes; then
505			AC_DEFINE(TTY_GID_SUPPORT, 1, "")
506			fi])
507