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],
[
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:	1.6
Committed:	Wed Jan 25 21:17:53 2006 UTC (18 years, 3 months ago) by root
Branch:	MAIN
CVS Tags:	rel-7_3
Changes since 1.5:	+1 -1 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	1.5	support_utmp=yes
80			support_wtmp=yes
81			support_lastlog=yes
82
83	ayin	1.4	AC_ARG_ENABLE(utmp,
84			[ --enable-utmp enable utmp (utmpx) support],
85			[if test x$enableval = xyes -o x$enableval = xno; then
86			support_utmp=$enableval
87			fi])
88
89			AC_ARG_ENABLE(wtmp,
90			[ --enable-wtmp enable wtmp (wtmpx) support (requires --enable-utmp)],
91			[if test x$enableval = xyes -o x$enableval = xno; then
92			support_wtmp=$enableval
93			fi])
94
95			AC_ARG_ENABLE(lastlog,
96			[ --enable-lastlog enable lastlog support (requires --enable-utmp)],
97			[if test x$enableval = xyes -o x$enableval = xno; then
98			support_lastlog=$enableval
99			fi])
100
101			if test x$support_utmp = xyes; then
102			AC_DEFINE(UTMP_SUPPORT, 1, Define if you want to have utmp/utmpx support)
103			fi
104			if test x$support_wtmp = xyes; then
105			AC_DEFINE(WTMP_SUPPORT, 1, Define if you want to have wtmp support when utmp/utmpx is enabled)
106			fi
107			if test x$support_lastlog = xyes; then
108			AC_DEFINE(LASTLOG_SUPPORT, 1, Define if you want to have lastlog support when utmp/utmpx is enabled)
109			fi
110
111	root	1.1	AC_CHECK_FUNCS( \
112			ttyslot \
113			updwtmp \
114			updwtmpx \
115			)
116
117			AC_CHECK_HEADERS( \
118			utmp.h \
119			utmpx.h \
120			lastlog.h \
121			)
122
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			AC_CHECK_HEADER(utmp.h,
130			[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$struct_utmp_pid = xyes; then
149			AC_DEFINE(HAVE_UTMP_PID, 1, Define if struct utmp contains ut_pid)
150			fi
151			) dnl# AC_CHECK_HEADER(utmp.h
152
153			dnl# --------------------------------------------
154
155			AC_CHECK_HEADER(utmpx.h,
156			[AC_CACHE_CHECK([for struct utmpx], struct_utmpx,
157			[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
158			#include <utmpx.h>]], [[struct utmpx ut;]])],[struct_utmpx=yes],[struct_utmpx=no])])
159			if test x$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$struct_utmpx_host = xyes; then
168			AC_DEFINE(HAVE_UTMPX_HOST, 1, Define if struct utmpx contains ut_host)
169			fi
170
171			AC_CACHE_CHECK(for session in utmpx struct, struct_utmpx_session,
172			[AC_TRY_COMPILE([#include <sys/types.h>
173			#include <utmpx.h>],
174			[struct utmpx utx; utx.ut_session;],
175			struct_utmpx_session=yes, struct_utmpx_session=no)])
176			if test x$struct_utmpx_session = xyes; then
177			AC_DEFINE(HAVE_UTMPX_SESSION, 1, Define if struct utmpx contains ut_session)
178			fi
179			) dnl# AC_CHECK_HEADER(utmpx.h
180
181			dnl# --------------------------------------------------------------------------
182			dnl# check for struct lastlog
183			AC_CACHE_CHECK(for struct lastlog, struct_lastlog,
184			[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
185			#include <utmp.h>
186			#ifdef HAVE_LASTLOG_H
187			#include <lastlog.h>
188			#endif
189			]], [[struct lastlog ll;]])],[struct_lastlog=yes],[struct_lastlog=no])])
190			if test x$struct_lastlog = xyes; then
191			AC_DEFINE(HAVE_STRUCT_LASTLOG, 1, Define if utmp.h or lastlog.h has struct lastlog)
192			fi
193
194			dnl# check for struct lastlogx
195			AC_CACHE_CHECK(for struct lastlogx, struct_lastlogx,
196			[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
197			#include <utmpx.h>
198			#ifdef HAVE_LASTLOG_H
199			#include <lastlog.h>
200			#endif
201			]], [[struct lastlogx ll;]])],[struct_lastlogx=yes],[struct_lastlogx=no])])
202			if test x$struct_lastlogx = xyes; then
203			AC_DEFINE(HAVE_STRUCT_LASTLOGX, 1, Define if utmpx.h or lastlog.h has struct lastlogx)
204			fi
205
206			dnl# --------------------------------------------------------------------------
207			dnl# FIND FILES
208			dnl# --------------------------------------------------------------------------
209
210			dnl# find utmp
211			AC_CACHE_CHECK(where utmp is located, path_utmp,
212			[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
213			#include <sys/types.h>
214			#include <utmp.h>
215			#include <errno.h>
216			main()
217			{
218			char *u, utmplist[] = {
219			"/var/run/utmp", "/var/adm/utmp", "/etc/utmp", "/usr/etc/utmp", "/usr/adm/utmp", NULL };
220			FILE a, f=fopen("conftestval", "w");
221			if (!f) exit(1);
222			#ifdef UTMP_FILE
223			fprintf(f, "%s\n", UTMP_FILE);
224			exit(0);
225			#endif
226			#ifdef _PATH_UTMP
227			fprintf(f, "%s\n", _PATH_UTMP);
228			exit(0);
229			#endif
230			for (u = utmplist; *u; u++) {
231			if ((a = fopen(*u, "r")) != NULL \|\| errno == EACCES) {
232			fprintf(f, "%s\n", *u);
233			exit(0);
234			}
235			}
236			exit(0);
237			}]])],[path_utmp=`cat conftestval`],[path_utmp=],[dnl
238			AC_MSG_WARN(Define UTMP_FILE in config.h manually)])])
239			if test x$path_utmp != x; then
240			AC_DEFINE_UNQUOTED(UTMP_FILE, "$path_utmp", Define location of utmp)
241			fi
242
243			dnl# --------------------------------------------------------------------------
244
245			dnl# find utmpx - if a utmp file exists at the same location and is more than
246			dnl# a day newer, then dump the utmpx. People leave lots of junk around.
247			AC_CACHE_CHECK(where utmpx is located, path_utmpx,
248			[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
249			#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			#include <sys/types.h>
295			#ifdef HAVE_UTMP_H
296			#include <utmp.h>
297			#endif
298			#include <errno.h>
299			main()
300			{
301			char *w, wtmplist[] = {
302			"/var/log/wtmp", "/var/adm/wtmp", "/etc/wtmp", "/usr/etc/wtmp", "/usr/adm/wtmp", NULL };
303			FILE a, f=fopen("conftestval", "w");
304			if (!f) exit(1);
305			#ifdef WTMP_FILE
306			fprintf(f, "%s\n", WTMP_FILE);
307			exit(0);
308			#endif
309			#ifdef _PATH_WTMP
310			fprintf(f, "%s\n", _PATH_WTMP);
311			exit(0);
312			#endif
313			for (w = wtmplist; *w; w++) {
314			if ((a = fopen(*w, "r")) != NULL \|\| errno == EACCES) {
315			fprintf(f, "%s\n", *w);
316			exit(0);
317			}
318			}
319			exit(0);
320			}]])],[path_wtmp=`cat conftestval`],[path_wtmp=],[dnl
321			AC_MSG_WARN(Define WTMP_FILE in config.h manually)])])
322			if test x$path_wtmp != x; then
323			AC_DEFINE_UNQUOTED(WTMP_FILE, "$path_wtmp", Define location of wtmp)
324			fi
325			dnl# --------------------------------------------------------------------------
326
327			dnl# find wtmpx
328			AC_CACHE_CHECK(where wtmpx is located, path_wtmpx,
329			[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
330			#ifdef HAVE_UTMPX_H
331			#include <utmpx.h>
332			#endif
333			#include <errno.h>
334			main()
335			{
336			char *w, wtmplist[] = {
337			"/var/log/wtmpx", "/var/adm/wtmpx", NULL };
338			FILE a, f=fopen("conftestval", "w");
339			if (!f) exit(1);
340			#ifdef WTMPX_FILE
341			fprintf(f, "%s\n", WTMPX_FILE);
342			exit(0);
343			#endif
344			#ifdef _PATH_WTMPX
345			fprintf(f, "%s\n", _PATH_WTMPX);
346			exit(0);
347			#endif
348			for (w = wtmplist; *w; w++) {
349			if ((a = fopen(*w, "r")) != NULL \|\| errno == EACCES) {
350			fprintf(f, "%s\n", *w);
351			exit(0);
352			}
353			}
354			exit(0);
355			}]])],[path_wtmpx=`cat conftestval`],[path_wtmpx=],[dnl
356			AC_MSG_WARN(Define WTMPX_FILE in config.h manually)])])
357			if test x$path_wtmpx != x; then
358			AC_DEFINE_UNQUOTED(WTMPX_FILE, "$path_wtmpx", Define location of wtmpx)
359			fi
360			dnl# --------------------------------------------------------------------------
361
362			dnl# find lastlog
363			AC_CACHE_CHECK(where lastlog is located, path_lastlog,
364			[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
365			#include <sys/types.h>
366			#ifdef HAVE_UTMPX_H
367			#include <utmpx.h>
368			#elif defined(HAVE_UTMP_H)
369			#include <utmp.h>
370			#endif
371			#ifdef HAVE_LASTLOG_H
372			#include <lastlog.h>
373			#endif
374			#include <errno.h>
375			main()
376			{
377			char *w, lastloglist[] = { "/var/log/lastlog", NULL };
378			FILE a, f=fopen("conftestval", "w");
379			if (!f) exit(1);
380			#ifdef LASTLOG_FILE
381			fprintf(f, "%s\n", LASTLOG_FILE);
382			exit(0);
383			#endif
384			#ifdef _PATH_LASTLOG
385			fprintf(f, "%s\n", _PATH_LASTLOG);
386			exit(0);
387			#endif
388			for (w = lastloglist; *w; w++) {
389			if ((a = fopen(*w, "r")) != NULL \|\| errno == EACCES) {
390			fprintf(f, "%s\n", *w);
391			exit(0);
392			}
393			}
394			exit(0);
395			}]])],[path_lastlog=`cat conftestval`],[path_lastlog=],[dnl
396			AC_MSG_WARN(Define LASTLOG_FILE in config.h manually)])])
397			if test x$path_lastlog != x; then
398			AC_DEFINE_UNQUOTED(LASTLOG_FILE, "$path_lastlog", Define location of lastlog)
399			if test -d "$path_lastlog"; then
400			AC_DEFINE(LASTLOG_IS_DIR, 1, Define if lastlog is provided via a directory)
401			fi
402			fi
403			dnl# --------------------------------------------------------------------------
404
405			dnl# find lastlogx
406			AC_CACHE_CHECK(where lastlogx is located, path_lastlogx,
407			[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
408			#ifdef HAVE_UTMPX_H
409			#include <utmpx.h>
410			#endif
411			#include <errno.h>
412			main()
413			{
414			char *w, wtmplist[] = { "/var/log/lastlogx", "/var/adm/lastlogx", NULL };
415			FILE a, f=fopen("conftestval", "w");
416			if (!f) exit(1);
417			#ifdef LASTLOGX_FILE
418			fprintf(f, "%s\n", LASTLOGX_FILE);
419			exit(0);
420			#endif
421			#ifdef _PATH_LASTLOGX
422			fprintf(f, "%s\n", _PATH_LASTLOGX);
423			exit(0);
424			#endif
425			for (w = wtmplist; *w; w++) {
426			if ((a = fopen(*w, "r")) != NULL \|\| errno == EACCES) {
427			fprintf(f, "%s\n", *w);
428			exit(0);
429			}
430			}
431			exit(0);
432			}]])],[path_lastlogx=`cat conftestval`],[path_lastlogx=],[dnl
433			AC_MSG_WARN(Define LASTLOGX_FILE in config.h manually)])])
434			if test x$path_lastlogx != x; then
435			AC_DEFINE_UNQUOTED(LASTLOGX_FILE, "$path_lastlogx", Define location of lastlogx)
436			fi
437	ayin	1.4
438			if test x$support_utmp != xyes; then
439			echo " utmp support: disabled"
440			echo
441			else
442			echo " utmp support: enabled
443			utmp file: $path_utmp
444			utmpx file: $path_utmpx
445			wtmp file: $path_wtmp
446			wtmpx file: $path_wtmpx
447			lastlog file: $path_lastlog
448			lastlogx file: $path_lastlogx"
449			fi
450	root	1.1	])
451
452			AC_DEFUN([SCM_RIGHTS_CHECK],
453			[
454			AC_CACHE_CHECK(for unix-compliant filehandle passing ability, can_pass_fds,
455			[AC_TRY_LINK([
456	root	1.6	#include <cstddef> // broken bsds (is that redundant?) need this
457	root	1.1	#include <sys/types.h>
458			#include <sys/socket.h>
459			#include <sys/uio.h>
460			],[
461			{
462			msghdr msg;
463			iovec iov;
464			char buf [100];
465			char data = 0;
466
467			iov.iov_base = &data;
468			iov.iov_len = 1;
469
470			msg.msg_iov = &iov;
471			msg.msg_iovlen = 1;
472			msg.msg_control = buf;
473			msg.msg_controllen = sizeof buf;
474
475			cmsghdr *cmsg = CMSG_FIRSTHDR (&msg);
476			cmsg->cmsg_level = SOL_SOCKET;
477			cmsg->cmsg_type = SCM_RIGHTS;
478			cmsg->cmsg_len = 100;
479
480			(int )CMSG_DATA (cmsg) = 5;
481
482			return sendmsg (3, &msg, 0);
483			}
484			],[can_pass_fds=yes],[can_pass_fds=no])])
485			if test x$can_pass_fds = xyes; then
486			AC_DEFINE(HAVE_UNIX_FDPASS, 1, Define if sys/socket.h defines the necessary macros/functions for file handle passing)
487			else
488			AC_MSG_ERROR([libptytty requires unix-compliant filehandle passing ability])
489			fi
490			])
491	ayin	1.3
492			AC_DEFUN([TTY_GROUP_CHECK],
493			[
494			AC_CACHE_CHECK([for tty group], tty_group,
495			[AC_TRY_RUN([
496			#include <sys/types.h>
497			#include <sys/stat.h>
498			#include <unistd.h>
499			#include <grp.h>
500
501			main()
502			{
503			struct stat st;
504			struct group *gr;
505			char *tty;
506			gr = getgrnam("tty");
507			tty = ttyname(0);
508			if (gr != 0
509			&& tty != 0
510			&& (stat(tty, &st)) == 0
511			&& st.st_gid == gr->gr_gid)
512			return 0;
513			else
514			return 1;
515			}],
516			[tty_group=yes],[tty_group=no],[tty_group=no])])
517			if test x$tty_group = xyes; then
518			AC_DEFINE(TTY_GID_SUPPORT, 1, "")
519			fi])
520