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_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],
[
support_utmp=yes
support_wtmp=yes
support_lastlog=yes

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:	1.7
Committed:	Wed Jan 25 22:07:21 2006 UTC (18 years, 3 months ago) by root
Branch:	MAIN
CVS Tags:	rel-0_1, rel-0_2
Changes since 1.6:	+4 -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	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			AC_TRY_LINK([#include <stdlib.h>],
69			[grantpt(0);unlockpt(0);ptsname(0);],
70			[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			[ --enable-utmp enable utmp (utmpx) support],
89			[if test x$enableval = xyes -o x$enableval = xno; then
90			support_utmp=$enableval
91			fi])
92
93			AC_ARG_ENABLE(wtmp,
94			[ --enable-wtmp enable wtmp (wtmpx) support (requires --enable-utmp)],
95			[if test x$enableval = xyes -o x$enableval = xno; then
96			support_wtmp=$enableval
97			fi])
98
99			AC_ARG_ENABLE(lastlog,
100			[ --enable-lastlog enable lastlog support (requires --enable-utmp)],
101			[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			ttyslot \
117			updwtmp \
118			updwtmpx \
119			)
120
121			AC_CHECK_HEADERS( \
122			utmp.h \
123			utmpx.h \
124			lastlog.h \
125			)
126
127			dnl# --------------------------------------------------------------------------
128			dnl# DO ALL UTMP AND WTMP CHECKING
129			dnl# --------------------------------------------------------------------------
130			dnl# check for host field in utmp structure
131
132			dnl# --------------------------------------------
133			AC_CHECK_HEADER(utmp.h,
134			[AC_CACHE_CHECK([for struct utmp], struct_utmp,
135			[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
136			#include <utmp.h>]], [[struct utmp ut;]])],[struct_utmp=yes],[struct_utmp=no])])
137			if test x$struct_utmp = xyes; then
138			AC_DEFINE(HAVE_STRUCT_UTMP, 1, Define if utmp.h has struct utmp)
139			fi
140			]
141
142			AC_CACHE_CHECK(for ut_host in utmp struct, struct_utmp_host,
143			[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
144			#include <utmp.h>]], [[struct utmp ut; ut.ut_host;]])],[struct_utmp_host=yes],[struct_utmp_host=no])])
145			if test x$struct_utmp_host = xyes; then
146			AC_DEFINE(HAVE_UTMP_HOST, 1, Define if struct utmp contains ut_host)
147			fi
148
149			AC_CACHE_CHECK(for ut_pid in utmp struct, struct_utmp_pid,
150			[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
151			#include <utmp.h>]], [[struct utmp ut; ut.ut_pid;]])],[struct_utmp_pid=yes],[struct_utmp_pid=no])])
152			if test x$struct_utmp_pid = xyes; then
153			AC_DEFINE(HAVE_UTMP_PID, 1, Define if struct utmp contains ut_pid)
154			fi
155			) dnl# AC_CHECK_HEADER(utmp.h
156
157			dnl# --------------------------------------------
158
159			AC_CHECK_HEADER(utmpx.h,
160			[AC_CACHE_CHECK([for struct utmpx], struct_utmpx,
161			[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
162			#include <utmpx.h>]], [[struct utmpx ut;]])],[struct_utmpx=yes],[struct_utmpx=no])])
163			if test x$struct_utmpx = xyes; then
164			AC_DEFINE(HAVE_STRUCT_UTMPX, 1, Define if utmpx.h has struct utmpx)
165			fi
166			]
167
168			AC_CACHE_CHECK(for host in utmpx struct, struct_utmpx_host,
169			[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
170			#include <utmpx.h>]], [[struct utmpx utx; utx.ut_host;]])],[struct_utmpx_host=yes],[struct_utmpx_host=no])])
171			if test x$struct_utmpx_host = xyes; then
172			AC_DEFINE(HAVE_UTMPX_HOST, 1, Define if struct utmpx contains ut_host)
173			fi
174
175			AC_CACHE_CHECK(for session in utmpx struct, struct_utmpx_session,
176			[AC_TRY_COMPILE([#include <sys/types.h>
177			#include <utmpx.h>],
178			[struct utmpx utx; utx.ut_session;],
179			struct_utmpx_session=yes, struct_utmpx_session=no)])
180			if test x$struct_utmpx_session = xyes; then
181			AC_DEFINE(HAVE_UTMPX_SESSION, 1, Define if struct utmpx contains ut_session)
182			fi
183			) dnl# AC_CHECK_HEADER(utmpx.h
184
185			dnl# --------------------------------------------------------------------------
186			dnl# check for struct lastlog
187			AC_CACHE_CHECK(for struct lastlog, struct_lastlog,
188			[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
189			#include <utmp.h>
190			#ifdef HAVE_LASTLOG_H
191			#include <lastlog.h>
192			#endif
193			]], [[struct lastlog ll;]])],[struct_lastlog=yes],[struct_lastlog=no])])
194			if test x$struct_lastlog = xyes; then
195			AC_DEFINE(HAVE_STRUCT_LASTLOG, 1, Define if utmp.h or lastlog.h has struct lastlog)
196			fi
197
198			dnl# check for struct lastlogx
199			AC_CACHE_CHECK(for struct lastlogx, struct_lastlogx,
200			[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
201			#include <utmpx.h>
202			#ifdef HAVE_LASTLOG_H
203			#include <lastlog.h>
204			#endif
205			]], [[struct lastlogx ll;]])],[struct_lastlogx=yes],[struct_lastlogx=no])])
206			if test x$struct_lastlogx = xyes; then
207			AC_DEFINE(HAVE_STRUCT_LASTLOGX, 1, Define if utmpx.h or lastlog.h has struct lastlogx)
208			fi
209
210			dnl# --------------------------------------------------------------------------
211			dnl# FIND FILES
212			dnl# --------------------------------------------------------------------------
213
214			dnl# find utmp
215			AC_CACHE_CHECK(where utmp is located, path_utmp,
216			[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
217			#include <sys/types.h>
218			#include <utmp.h>
219			#include <errno.h>
220			main()
221			{
222			char *u, utmplist[] = {
223			"/var/run/utmp", "/var/adm/utmp", "/etc/utmp", "/usr/etc/utmp", "/usr/adm/utmp", NULL };
224			FILE a, f=fopen("conftestval", "w");
225			if (!f) exit(1);
226			#ifdef UTMP_FILE
227			fprintf(f, "%s\n", UTMP_FILE);
228			exit(0);
229			#endif
230			#ifdef _PATH_UTMP
231			fprintf(f, "%s\n", _PATH_UTMP);
232			exit(0);
233			#endif
234			for (u = utmplist; *u; u++) {
235			if ((a = fopen(*u, "r")) != NULL \|\| errno == EACCES) {
236			fprintf(f, "%s\n", *u);
237			exit(0);
238			}
239			}
240			exit(0);
241			}]])],[path_utmp=`cat conftestval`],[path_utmp=],[dnl
242			AC_MSG_WARN(Define UTMP_FILE in config.h manually)])])
243			if test x$path_utmp != x; then
244			AC_DEFINE_UNQUOTED(UTMP_FILE, "$path_utmp", Define location of utmp)
245			fi
246
247			dnl# --------------------------------------------------------------------------
248
249			dnl# find utmpx - if a utmp file exists at the same location and is more than
250			dnl# a day newer, then dump the utmpx. People leave lots of junk around.
251			AC_CACHE_CHECK(where utmpx is located, path_utmpx,
252			[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
253			#include <sys/types.h>
254			#include <utmpx.h>
255			#include <errno.h>
256			#include <sys/stat.h>
257			#ifdef HAVE_STRING_H
258			#include <string.h>
259			#endif
260			main()
261			{
262			char *u, p, *utmplist[] = {
263			#ifdef UTMPX_FILE
264			UTMPX_FILE,
265			#endif
266			#ifdef _PATH_UTMPX
267			_PATH_UTMPX,
268			#endif
269			"/var/adm/utmpx", "/etc/utmpx", NULL };
270			FILE a, f=fopen("conftestval", "w");
271			struct stat statu, statux;
272			if (!f) exit(1);
273			for (u = utmplist; *u; u++) {
274			if ((a = fopen(*u, "r")) != NULL \|\| errno == EACCES) {
275			if (stat(*u, &statux) < 0)
276			continue;
277			p = strdup(*u);
278			p[strlen(p) - 1] = '\0';
279			if (stat(p, &statu) >= 0
280			&& (statu.st_mtime - statux.st_mtime > 86400))
281			continue;
282			fprintf(f, "%s\n", *u);
283			exit(0);
284			}
285			}
286			exit(0);
287			}]])],[path_utmpx=`cat conftestval`],[path_utmpx=],[dnl
288			AC_MSG_WARN(Define UTMPX_FILE in config.h manually)])])
289			if test x$path_utmpx != x; then
290			AC_DEFINE_UNQUOTED(UTMPX_FILE, "$path_utmpx", Define location of utmpx)
291			fi
292
293			dnl# --------------------------------------------------------------------------
294
295			dnl# find wtmp
296			AC_CACHE_CHECK(where wtmp is located, path_wtmp,
297			[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
298			#include <sys/types.h>
299			#ifdef HAVE_UTMP_H
300			#include <utmp.h>
301			#endif
302			#include <errno.h>
303			main()
304			{
305			char *w, wtmplist[] = {
306			"/var/log/wtmp", "/var/adm/wtmp", "/etc/wtmp", "/usr/etc/wtmp", "/usr/adm/wtmp", NULL };
307			FILE a, f=fopen("conftestval", "w");
308			if (!f) exit(1);
309			#ifdef WTMP_FILE
310			fprintf(f, "%s\n", WTMP_FILE);
311			exit(0);
312			#endif
313			#ifdef _PATH_WTMP
314			fprintf(f, "%s\n", _PATH_WTMP);
315			exit(0);
316			#endif
317			for (w = wtmplist; *w; w++) {
318			if ((a = fopen(*w, "r")) != NULL \|\| errno == EACCES) {
319			fprintf(f, "%s\n", *w);
320			exit(0);
321			}
322			}
323			exit(0);
324			}]])],[path_wtmp=`cat conftestval`],[path_wtmp=],[dnl
325			AC_MSG_WARN(Define WTMP_FILE in config.h manually)])])
326			if test x$path_wtmp != x; then
327			AC_DEFINE_UNQUOTED(WTMP_FILE, "$path_wtmp", Define location of wtmp)
328			fi
329			dnl# --------------------------------------------------------------------------
330
331			dnl# find wtmpx
332			AC_CACHE_CHECK(where wtmpx is located, path_wtmpx,
333			[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
334			#ifdef HAVE_UTMPX_H
335			#include <utmpx.h>
336			#endif
337			#include <errno.h>
338			main()
339			{
340			char *w, wtmplist[] = {
341			"/var/log/wtmpx", "/var/adm/wtmpx", NULL };
342			FILE a, f=fopen("conftestval", "w");
343			if (!f) exit(1);
344			#ifdef WTMPX_FILE
345			fprintf(f, "%s\n", WTMPX_FILE);
346			exit(0);
347			#endif
348			#ifdef _PATH_WTMPX
349			fprintf(f, "%s\n", _PATH_WTMPX);
350			exit(0);
351			#endif
352			for (w = wtmplist; *w; w++) {
353			if ((a = fopen(*w, "r")) != NULL \|\| errno == EACCES) {
354			fprintf(f, "%s\n", *w);
355			exit(0);
356			}
357			}
358			exit(0);
359			}]])],[path_wtmpx=`cat conftestval`],[path_wtmpx=],[dnl
360			AC_MSG_WARN(Define WTMPX_FILE in config.h manually)])])
361			if test x$path_wtmpx != x; then
362			AC_DEFINE_UNQUOTED(WTMPX_FILE, "$path_wtmpx", Define location of wtmpx)
363			fi
364			dnl# --------------------------------------------------------------------------
365
366			dnl# find lastlog
367			AC_CACHE_CHECK(where lastlog is located, path_lastlog,
368			[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
369			#include <sys/types.h>
370			#ifdef HAVE_UTMPX_H
371			#include <utmpx.h>
372			#elif defined(HAVE_UTMP_H)
373			#include <utmp.h>
374			#endif
375			#ifdef HAVE_LASTLOG_H
376			#include <lastlog.h>
377			#endif
378			#include <errno.h>
379			main()
380			{
381			char *w, lastloglist[] = { "/var/log/lastlog", NULL };
382			FILE a, f=fopen("conftestval", "w");
383			if (!f) exit(1);
384			#ifdef LASTLOG_FILE
385			fprintf(f, "%s\n", LASTLOG_FILE);
386			exit(0);
387			#endif
388			#ifdef _PATH_LASTLOG
389			fprintf(f, "%s\n", _PATH_LASTLOG);
390			exit(0);
391			#endif
392			for (w = lastloglist; *w; w++) {
393			if ((a = fopen(*w, "r")) != NULL \|\| errno == EACCES) {
394			fprintf(f, "%s\n", *w);
395			exit(0);
396			}
397			}
398			exit(0);
399			}]])],[path_lastlog=`cat conftestval`],[path_lastlog=],[dnl
400			AC_MSG_WARN(Define LASTLOG_FILE in config.h manually)])])
401			if test x$path_lastlog != x; then
402			AC_DEFINE_UNQUOTED(LASTLOG_FILE, "$path_lastlog", Define location of lastlog)
403			if test -d "$path_lastlog"; then
404			AC_DEFINE(LASTLOG_IS_DIR, 1, Define if lastlog is provided via a directory)
405			fi
406			fi
407			dnl# --------------------------------------------------------------------------
408
409			dnl# find lastlogx
410			AC_CACHE_CHECK(where lastlogx is located, path_lastlogx,
411			[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
412			#ifdef HAVE_UTMPX_H
413			#include <utmpx.h>
414			#endif
415			#include <errno.h>
416			main()
417			{
418			char *w, wtmplist[] = { "/var/log/lastlogx", "/var/adm/lastlogx", NULL };
419			FILE a, f=fopen("conftestval", "w");
420			if (!f) exit(1);
421			#ifdef LASTLOGX_FILE
422			fprintf(f, "%s\n", LASTLOGX_FILE);
423			exit(0);
424			#endif
425			#ifdef _PATH_LASTLOGX
426			fprintf(f, "%s\n", _PATH_LASTLOGX);
427			exit(0);
428			#endif
429			for (w = wtmplist; *w; w++) {
430			if ((a = fopen(*w, "r")) != NULL \|\| errno == EACCES) {
431			fprintf(f, "%s\n", *w);
432			exit(0);
433			}
434			}
435			exit(0);
436			}]])],[path_lastlogx=`cat conftestval`],[path_lastlogx=],[dnl
437			AC_MSG_WARN(Define LASTLOGX_FILE in config.h manually)])])
438			if test x$path_lastlogx != x; then
439			AC_DEFINE_UNQUOTED(LASTLOGX_FILE, "$path_lastlogx", Define location of lastlogx)
440			fi
441	ayin	1.4
442			if test x$support_utmp != xyes; then
443			echo " utmp support: disabled"
444			echo
445			else
446			echo " utmp support: enabled
447			utmp file: $path_utmp
448			utmpx file: $path_utmpx
449			wtmp file: $path_wtmp
450			wtmpx file: $path_wtmpx
451			lastlog file: $path_lastlog
452			lastlogx file: $path_lastlogx"
453			fi
454	ayin	1.1	])
455
456			AC_DEFUN([SCM_RIGHTS_CHECK],
457			[
458			AC_CACHE_CHECK(for unix-compliant filehandle passing ability, can_pass_fds,
459			[AC_TRY_LINK([
460	root	1.6	#include <cstddef> // broken bsds (is that redundant?) need this
461	ayin	1.1	#include <sys/types.h>
462			#include <sys/socket.h>
463			#include <sys/uio.h>
464			],[
465			{
466			msghdr msg;
467			iovec iov;
468			char buf [100];
469			char data = 0;
470
471			iov.iov_base = &data;
472			iov.iov_len = 1;
473
474			msg.msg_iov = &iov;
475			msg.msg_iovlen = 1;
476			msg.msg_control = buf;
477			msg.msg_controllen = sizeof buf;
478
479			cmsghdr *cmsg = CMSG_FIRSTHDR (&msg);
480			cmsg->cmsg_level = SOL_SOCKET;
481			cmsg->cmsg_type = SCM_RIGHTS;
482			cmsg->cmsg_len = 100;
483
484			(int )CMSG_DATA (cmsg) = 5;
485
486			return sendmsg (3, &msg, 0);
487			}
488			],[can_pass_fds=yes],[can_pass_fds=no])])
489			if test x$can_pass_fds = xyes; then
490			AC_DEFINE(HAVE_UNIX_FDPASS, 1, Define if sys/socket.h defines the necessary macros/functions for file handle passing)
491			else
492			AC_MSG_ERROR([libptytty requires unix-compliant filehandle passing ability])
493			fi
494			])
495	ayin	1.3
496			AC_DEFUN([TTY_GROUP_CHECK],
497			[
498			AC_CACHE_CHECK([for tty group], tty_group,
499			[AC_TRY_RUN([
500			#include <sys/types.h>
501			#include <sys/stat.h>
502			#include <unistd.h>
503			#include <grp.h>
504
505			main()
506			{
507			struct stat st;
508			struct group *gr;
509			char *tty;
510			gr = getgrnam("tty");
511			tty = ttyname(0);
512			if (gr != 0
513			&& tty != 0
514			&& (stat(tty, &st)) == 0
515			&& st.st_gid == gr->gr_gid)
516			return 0;
517			else
518			return 1;
519			}],
520			[tty_group=yes],[tty_group=no],[tty_group=no])])
521			if test x$tty_group = xyes; then
522			AC_DEFINE(TTY_GID_SUPPORT, 1, "")
523			fi])
524