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 \
  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:	1.12
Committed:	Mon May 5 16:51:52 2008 UTC (16 years ago) by root
Branch:	MAIN
CVS Tags:	rel-9_06, rel-9_07, rel-9_05
Changes since 1.11:	+15 -21 lines
Log Message:	update_ptytty
#	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	root	1.12	stropts.h \
13	root	1.1	)
14
15			AC_CHECK_FUNCS( \
16			revoke \
17			_getpty \
18			getpt \
19			posix_openpt \
20			isastream \
21	root	1.7	setuid \
22			seteuid \
23			setreuid \
24			setresuid \
25	root	1.1	)
26
27			have_clone=no
28
29			AC_MSG_CHECKING(for /dev/ptym/clone)
30			if test -e /dev/ptym/clone; then
31			AC_MSG_RESULT(yes)
32			AC_DEFINE(HAVE_DEV_CLONE, 1, [Define to 1 if you have /dev/ptym/clone])
33			AC_DEFINE(CLONE_DEVICE, "/dev/ptym/clone", [clone device filename])
34			have_clone=yes
35			else
36			AC_MSG_RESULT(no)
37			fi
38
39			AC_MSG_CHECKING(for /dev/ptc)
40			if test -e /dev/ptc; then
41			AC_MSG_RESULT(yes)
42			AC_DEFINE(HAVE_DEV_PTC, 1, [Define to 1 if you have /dev/ptc])
43			AC_DEFINE(CLONE_DEVICE, "/dev/ptc", [clone device filename])
44			have_clone=yes
45			else
46			AC_MSG_RESULT(no)
47			fi
48
49			case $host in
50			--cygwin*)
51			have_clone=yes
52			AC_DEFINE(CLONE_DEVICE, "/dev/ptmx", [clone device filename])
53			;;
54			*)
55			AC_MSG_CHECKING(for /dev/ptmx)
56			if test -e /dev/ptmx; then
57			AC_MSG_RESULT(yes)
58			AC_DEFINE(HAVE_DEV_PTMX, 1, [Define to 1 if you have /dev/ptmx])
59			AC_DEFINE(CLONE_DEVICE, "/dev/ptmx", [clone device filename])
60			have_clone=yes
61			else
62			AC_MSG_RESULT(no)
63			fi
64			;;
65			esac
66
67			if test x$ac_cv_func_getpt = xyes -o x$ac_cv_func_posix_openpt = xyes -o x$have_clone = xyes; then
68			AC_MSG_CHECKING(for UNIX98 ptys)
69	root	1.12	AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <stdlib.h>]],
70			[[grantpt(0);unlockpt(0);ptsname(0);]])],
71	root	1.1	[unix98_pty=yes
72			AC_DEFINE(UNIX98_PTY, 1, "")
73			AC_MSG_RESULT(yes)],
74			[AC_MSG_RESULT(no)])
75			fi
76
77			if test -z "$unix98_pty"; then
78			AC_CHECK_FUNCS(openpty, [], [AC_CHECK_LIB(util, openpty, [AC_DEFINE(HAVE_OPENPTY) LIBS="$LIBS -lutil"])])
79			fi
80			])
81
82			AC_DEFUN([UTMP_CHECK],
83			[
84	ayin	1.5	support_utmp=yes
85			support_wtmp=yes
86			support_lastlog=yes
87
88	ayin	1.4	AC_ARG_ENABLE(utmp,
89	ayin	1.11	[AS_HELP_STRING([--enable-utmp],[enable utmp (utmpx) support])],
90	ayin	1.4	[if test x$enableval = xyes -o x$enableval = xno; then
91			support_utmp=$enableval
92			fi])
93
94			AC_ARG_ENABLE(wtmp,
95	ayin	1.11	[AS_HELP_STRING([--enable-wtmp],[enable wtmp (wtmpx) support (requires --enable-utmp)])],
96	ayin	1.4	[if test x$enableval = xyes -o x$enableval = xno; then
97			support_wtmp=$enableval
98			fi])
99
100			AC_ARG_ENABLE(lastlog,
101	ayin	1.11	[AS_HELP_STRING([--enable-lastlog],[enable lastlog support (requires --enable-utmp)])],
102	ayin	1.4	[if test x$enableval = xyes -o x$enableval = xno; then
103			support_lastlog=$enableval
104			fi])
105
106			if test x$support_utmp = xyes; then
107			AC_DEFINE(UTMP_SUPPORT, 1, Define if you want to have utmp/utmpx support)
108			fi
109			if test x$support_wtmp = xyes; then
110			AC_DEFINE(WTMP_SUPPORT, 1, Define if you want to have wtmp support when utmp/utmpx is enabled)
111			fi
112			if test x$support_lastlog = xyes; then
113			AC_DEFINE(LASTLOG_SUPPORT, 1, Define if you want to have lastlog support when utmp/utmpx is enabled)
114			fi
115
116	root	1.1	AC_CHECK_FUNCS( \
117			updwtmp \
118			updwtmpx \
119	ayin	1.11	updlastlogx \
120	root	1.1	)
121
122	root	1.12	AC_CHECK_HEADERS(lastlog.h)
123	root	1.1
124			dnl# --------------------------------------------------------------------------
125			dnl# DO ALL UTMP AND WTMP CHECKING
126			dnl# --------------------------------------------------------------------------
127			dnl# check for host field in utmp structure
128
129			dnl# --------------------------------------------
130	root	1.12	AC_CHECK_HEADERS(utmp.h,
131	root	1.1	[AC_CACHE_CHECK([for struct utmp], struct_utmp,
132			[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
133			#include <utmp.h>]], [[struct utmp ut;]])],[struct_utmp=yes],[struct_utmp=no])])
134			if test x$struct_utmp = xyes; then
135			AC_DEFINE(HAVE_STRUCT_UTMP, 1, Define if utmp.h has struct utmp)
136			fi
137			]
138
139			AC_CACHE_CHECK(for ut_host in utmp struct, struct_utmp_host,
140			[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
141			#include <utmp.h>]], [[struct utmp ut; ut.ut_host;]])],[struct_utmp_host=yes],[struct_utmp_host=no])])
142			if test x$struct_utmp_host = xyes; then
143			AC_DEFINE(HAVE_UTMP_HOST, 1, Define if struct utmp contains ut_host)
144			fi
145
146			AC_CACHE_CHECK(for ut_pid in utmp struct, struct_utmp_pid,
147			[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
148			#include <utmp.h>]], [[struct utmp ut; ut.ut_pid;]])],[struct_utmp_pid=yes],[struct_utmp_pid=no])])
149			if test x$struct_utmp_pid = xyes; then
150			AC_DEFINE(HAVE_UTMP_PID, 1, Define if struct utmp contains ut_pid)
151			fi
152	root	1.12	) dnl# AC_CHECK_HEADERS(utmp.h
153	root	1.1
154			dnl# --------------------------------------------
155
156	root	1.12	AC_CHECK_HEADERS(utmpx.h,
157	root	1.1	[AC_CACHE_CHECK([for struct utmpx], struct_utmpx,
158			[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
159			#include <utmpx.h>]], [[struct utmpx ut;]])],[struct_utmpx=yes],[struct_utmpx=no])])
160			if test x$struct_utmpx = xyes; then
161			AC_DEFINE(HAVE_STRUCT_UTMPX, 1, Define if utmpx.h has struct utmpx)
162			fi
163			]
164
165			AC_CACHE_CHECK(for host in utmpx struct, struct_utmpx_host,
166			[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
167			#include <utmpx.h>]], [[struct utmpx utx; utx.ut_host;]])],[struct_utmpx_host=yes],[struct_utmpx_host=no])])
168			if test x$struct_utmpx_host = xyes; then
169			AC_DEFINE(HAVE_UTMPX_HOST, 1, Define if struct utmpx contains ut_host)
170			fi
171
172			AC_CACHE_CHECK(for session in utmpx struct, struct_utmpx_session,
173	root	1.12	[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
174			#include <utmpx.h>]], [[struct utmpx utx; utx.ut_session;]])],[struct_utmpx_session=yes],[struct_utmpx_session=no])])
175	root	1.1	if test x$struct_utmpx_session = xyes; then
176			AC_DEFINE(HAVE_UTMPX_SESSION, 1, Define if struct utmpx contains ut_session)
177			fi
178	root	1.12	) dnl# AC_CHECK_HEADERS(utmpx.h
179	root	1.1
180			dnl# --------------------------------------------------------------------------
181			dnl# check for struct lastlog
182			AC_CACHE_CHECK(for struct lastlog, struct_lastlog,
183			[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
184			#include <utmp.h>
185			#ifdef HAVE_LASTLOG_H
186			#include <lastlog.h>
187			#endif
188			]], [[struct lastlog ll;]])],[struct_lastlog=yes],[struct_lastlog=no])])
189			if test x$struct_lastlog = xyes; then
190			AC_DEFINE(HAVE_STRUCT_LASTLOG, 1, Define if utmp.h or lastlog.h has struct lastlog)
191			fi
192
193			dnl# check for struct lastlogx
194			AC_CACHE_CHECK(for struct lastlogx, struct_lastlogx,
195			[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
196			#include <utmpx.h>
197			#ifdef HAVE_LASTLOG_H
198			#include <lastlog.h>
199			#endif
200			]], [[struct lastlogx ll;]])],[struct_lastlogx=yes],[struct_lastlogx=no])])
201			if test x$struct_lastlogx = xyes; then
202			AC_DEFINE(HAVE_STRUCT_LASTLOGX, 1, Define if utmpx.h or lastlog.h has struct lastlogx)
203			fi
204
205			dnl# --------------------------------------------------------------------------
206			dnl# FIND FILES
207			dnl# --------------------------------------------------------------------------
208
209			dnl# find utmp
210			AC_CACHE_CHECK(where utmp is located, path_utmp,
211			[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
212	ayin	1.9	#include <stdlib.h>
213	root	1.1	#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	ayin	1.9	#include <stdlib.h>
250	root	1.1	#include <sys/types.h>
251			#include <utmpx.h>
252			#include <errno.h>
253			#include <sys/stat.h>
254			#ifdef HAVE_STRING_H
255			#include <string.h>
256			#endif
257			main()
258			{
259			char *u, p, *utmplist[] = {
260			#ifdef UTMPX_FILE
261			UTMPX_FILE,
262			#endif
263			#ifdef _PATH_UTMPX
264			_PATH_UTMPX,
265			#endif
266			"/var/adm/utmpx", "/etc/utmpx", NULL };
267			FILE a, f=fopen("conftestval", "w");
268			struct stat statu, statux;
269			if (!f) exit(1);
270			for (u = utmplist; *u; u++) {
271			if ((a = fopen(*u, "r")) != NULL \|\| errno == EACCES) {
272			if (stat(*u, &statux) < 0)
273			continue;
274			p = strdup(*u);
275			p[strlen(p) - 1] = '\0';
276			if (stat(p, &statu) >= 0
277			&& (statu.st_mtime - statux.st_mtime > 86400))
278			continue;
279			fprintf(f, "%s\n", *u);
280			exit(0);
281			}
282			}
283			exit(0);
284			}]])],[path_utmpx=`cat conftestval`],[path_utmpx=],[dnl
285			AC_MSG_WARN(Define UTMPX_FILE in config.h manually)])])
286			if test x$path_utmpx != x; then
287			AC_DEFINE_UNQUOTED(UTMPX_FILE, "$path_utmpx", Define location of utmpx)
288			fi
289
290			dnl# --------------------------------------------------------------------------
291
292			dnl# find wtmp
293			AC_CACHE_CHECK(where wtmp is located, path_wtmp,
294			[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
295	ayin	1.9	#include <stdlib.h>
296	root	1.1	#include <sys/types.h>
297			#ifdef HAVE_UTMP_H
298			#include <utmp.h>
299			#endif
300			#include <errno.h>
301			main()
302			{
303			char *w, wtmplist[] = {
304	root	1.10	"/var/log/wtmp", "/var/adm/wtmp", "/etc/wtmp", "/usr/etc/wtmp", "/usr/adm/wtmp", NULL };
305	root	1.1	FILE a, f=fopen("conftestval", "w");
306			if (!f) exit(1);
307			#ifdef WTMP_FILE
308			fprintf(f, "%s\n", WTMP_FILE);
309			exit(0);
310			#endif
311			#ifdef _PATH_WTMP
312			fprintf(f, "%s\n", _PATH_WTMP);
313			exit(0);
314			#endif
315			for (w = wtmplist; *w; w++) {
316			if ((a = fopen(*w, "r")) != NULL \|\| errno == EACCES) {
317			fprintf(f, "%s\n", *w);
318			exit(0);
319			}
320			}
321			exit(0);
322			}]])],[path_wtmp=`cat conftestval`],[path_wtmp=],[dnl
323			AC_MSG_WARN(Define WTMP_FILE in config.h manually)])])
324			if test x$path_wtmp != x; then
325			AC_DEFINE_UNQUOTED(WTMP_FILE, "$path_wtmp", Define location of wtmp)
326			fi
327			dnl# --------------------------------------------------------------------------
328
329			dnl# find wtmpx
330			AC_CACHE_CHECK(where wtmpx is located, path_wtmpx,
331			[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
332	ayin	1.9	#include <stdlib.h>
333	root	1.1	#ifdef HAVE_UTMPX_H
334			#include <utmpx.h>
335			#endif
336			#include <errno.h>
337			main()
338			{
339			char *w, wtmplist[] = {
340	root	1.10	"/var/log/wtmpx", "/var/adm/wtmpx", NULL };
341	root	1.1	FILE a, f=fopen("conftestval", "w");
342			if (!f) exit(1);
343			#ifdef WTMPX_FILE
344			fprintf(f, "%s\n", WTMPX_FILE);
345			exit(0);
346			#endif
347			#ifdef _PATH_WTMPX
348			fprintf(f, "%s\n", _PATH_WTMPX);
349			exit(0);
350			#endif
351			for (w = wtmplist; *w; w++) {
352			if ((a = fopen(*w, "r")) != NULL \|\| errno == EACCES) {
353			fprintf(f, "%s\n", *w);
354			exit(0);
355			}
356			}
357			exit(0);
358			}]])],[path_wtmpx=`cat conftestval`],[path_wtmpx=],[dnl
359			AC_MSG_WARN(Define WTMPX_FILE in config.h manually)])])
360			if test x$path_wtmpx != x; then
361			AC_DEFINE_UNQUOTED(WTMPX_FILE, "$path_wtmpx", Define location of wtmpx)
362			fi
363			dnl# --------------------------------------------------------------------------
364
365			dnl# find lastlog
366			AC_CACHE_CHECK(where lastlog is located, path_lastlog,
367			[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
368	ayin	1.9	#include <stdlib.h>
369	root	1.1	#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			fi
404			dnl# --------------------------------------------------------------------------
405
406			dnl# find lastlogx
407			AC_CACHE_CHECK(where lastlogx is located, path_lastlogx,
408			[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
409	ayin	1.9	#include <stdlib.h>
410	root	1.1	#ifdef HAVE_UTMPX_H
411			#include <utmpx.h>
412			#endif
413			#include <errno.h>
414			main()
415			{
416			char *w, wtmplist[] = { "/var/log/lastlogx", "/var/adm/lastlogx", NULL };
417			FILE a, f=fopen("conftestval", "w");
418			if (!f) exit(1);
419			#ifdef LASTLOGX_FILE
420			fprintf(f, "%s\n", LASTLOGX_FILE);
421			exit(0);
422			#endif
423			#ifdef _PATH_LASTLOGX
424			fprintf(f, "%s\n", _PATH_LASTLOGX);
425			exit(0);
426			#endif
427			for (w = wtmplist; *w; w++) {
428			if ((a = fopen(*w, "r")) != NULL \|\| errno == EACCES) {
429			fprintf(f, "%s\n", *w);
430			exit(0);
431			}
432			}
433			exit(0);
434			}]])],[path_lastlogx=`cat conftestval`],[path_lastlogx=],[dnl
435			AC_MSG_WARN(Define LASTLOGX_FILE in config.h manually)])])
436			if test x$path_lastlogx != x; then
437			AC_DEFINE_UNQUOTED(LASTLOGX_FILE, "$path_lastlogx", Define location of lastlogx)
438			fi
439			])
440
441			AC_DEFUN([SCM_RIGHTS_CHECK],
442			[
443			AC_CACHE_CHECK(for unix-compliant filehandle passing ability, can_pass_fds,
444	root	1.12	[AC_LINK_IFELSE([AC_LANG_PROGRAM([[
445	root	1.6	#include <cstddef> // broken bsds (is that redundant?) need this
446	root	1.1	#include <sys/types.h>
447			#include <sys/socket.h>
448			#include <sys/uio.h>
449	root	1.12	]], [[
450	root	1.1	{
451			msghdr msg;
452			iovec iov;
453			char buf [100];
454			char data = 0;
455
456			iov.iov_base = &data;
457			iov.iov_len = 1;
458
459			msg.msg_iov = &iov;
460			msg.msg_iovlen = 1;
461			msg.msg_control = buf;
462			msg.msg_controllen = sizeof buf;
463
464			cmsghdr *cmsg = CMSG_FIRSTHDR (&msg);
465			cmsg->cmsg_level = SOL_SOCKET;
466			cmsg->cmsg_type = SCM_RIGHTS;
467			cmsg->cmsg_len = 100;
468
469			(int )CMSG_DATA (cmsg) = 5;
470
471			return sendmsg (3, &msg, 0);
472			}
473	root	1.12	]])],[can_pass_fds=yes],[can_pass_fds=no])])
474	root	1.1	if test x$can_pass_fds = xyes; then
475			AC_DEFINE(HAVE_UNIX_FDPASS, 1, Define if sys/socket.h defines the necessary macros/functions for file handle passing)
476			else
477			AC_MSG_ERROR([libptytty requires unix-compliant filehandle passing ability])
478			fi
479			])
480	ayin	1.3
481			AC_DEFUN([TTY_GROUP_CHECK],
482			[
483			AC_CACHE_CHECK([for tty group], tty_group,
484	root	1.12	[AC_RUN_IFELSE([AC_LANG_SOURCE([[
485	ayin	1.3	#include <sys/types.h>
486			#include <sys/stat.h>
487			#include <unistd.h>
488			#include <grp.h>
489
490			main()
491			{
492			struct stat st;
493			struct group *gr;
494			char *tty;
495			gr = getgrnam("tty");
496			tty = ttyname(0);
497			if (gr != 0
498			&& tty != 0
499			&& (stat(tty, &st)) == 0
500			&& st.st_gid == gr->gr_gid)
501			return 0;
502			else
503			return 1;
504	root	1.12	}]])],[tty_group=yes],[tty_group=no],[tty_group=no])])
505	ayin	1.3	if test x$tty_group = xyes; then
506			AC_DEFINE(TTY_GID_SUPPORT, 1, "")
507			fi])
508