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 \
)

have_clone=no

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

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

case $host in
  *-*-cygwin*)
    have_clone=yes
    AC_DEFINE(CLONE_DEVICE, "/dev/ptmx", [clone device filename])
    ;;
  *)
    AC_MSG_CHECKING(for /dev/ptmx)
    if test -e /dev/ptmx; then
      AC_MSG_RESULT(yes)
      AC_DEFINE(HAVE_DEV_PTMX, 1, [Define to 1 if you have /dev/ptmx])
      AC_DEFINE(CLONE_DEVICE, "/dev/ptmx", [clone device filename])
      have_clone=yes
    else
      AC_MSG_RESULT(no)
    fi
    ;;
esac

if test x$ac_cv_func_getpt = xyes -o x$ac_cv_func_posix_openpt = xyes -o x$have_clone = xyes; then
  AC_MSG_CHECKING(for UNIX98 ptys)
  AC_TRY_LINK([#include <stdlib.h>],
              [grantpt(0);unlockpt(0);ptsname(0);],
              [unix98_pty=yes
               AC_DEFINE(UNIX98_PTY, 1, "")
               AC_MSG_RESULT(yes)],
              [AC_MSG_RESULT(no)])
fi

if test -z "$unix98_pty"; then
  AC_CHECK_FUNCS(openpty, [], [AC_CHECK_LIB(util, openpty, [AC_DEFINE(HAVE_OPENPTY) LIBS="$LIBS -lutil"])])
fi
])

AC_DEFUN([UTMP_CHECK],
[
AC_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
])

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:	1.3
Committed:	Sun Jan 22 16:57:03 2006 UTC (18 years, 4 months ago) by ayin
Branch:	MAIN
Changes since 1.2:	+30 -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			)
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			AC_CHECK_FUNCS( \
80			ttyslot \
81			updwtmp \
82			updwtmpx \
83			)
84
85			AC_CHECK_HEADERS( \
86			utmp.h \
87			utmpx.h \
88			lastlog.h \
89			)
90
91			dnl# --------------------------------------------------------------------------
92			dnl# DO ALL UTMP AND WTMP CHECKING
93			dnl# --------------------------------------------------------------------------
94			dnl# check for host field in utmp structure
95
96			dnl# --------------------------------------------
97			AC_CHECK_HEADER(utmp.h,
98			[AC_CACHE_CHECK([for struct utmp], struct_utmp,
99			[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
100			#include <utmp.h>]], [[struct utmp ut;]])],[struct_utmp=yes],[struct_utmp=no])])
101			if test x$struct_utmp = xyes; then
102			AC_DEFINE(HAVE_STRUCT_UTMP, 1, Define if utmp.h has struct utmp)
103			fi
104			]
105
106			AC_CACHE_CHECK(for ut_host in utmp struct, struct_utmp_host,
107			[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
108			#include <utmp.h>]], [[struct utmp ut; ut.ut_host;]])],[struct_utmp_host=yes],[struct_utmp_host=no])])
109			if test x$struct_utmp_host = xyes; then
110			AC_DEFINE(HAVE_UTMP_HOST, 1, Define if struct utmp contains ut_host)
111			fi
112
113			AC_CACHE_CHECK(for ut_pid in utmp struct, struct_utmp_pid,
114			[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
115			#include <utmp.h>]], [[struct utmp ut; ut.ut_pid;]])],[struct_utmp_pid=yes],[struct_utmp_pid=no])])
116			if test x$struct_utmp_pid = xyes; then
117			AC_DEFINE(HAVE_UTMP_PID, 1, Define if struct utmp contains ut_pid)
118			fi
119			) dnl# AC_CHECK_HEADER(utmp.h
120
121			dnl# --------------------------------------------
122
123			AC_CHECK_HEADER(utmpx.h,
124			[AC_CACHE_CHECK([for struct utmpx], struct_utmpx,
125			[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
126			#include <utmpx.h>]], [[struct utmpx ut;]])],[struct_utmpx=yes],[struct_utmpx=no])])
127			if test x$struct_utmpx = xyes; then
128			AC_DEFINE(HAVE_STRUCT_UTMPX, 1, Define if utmpx.h has struct utmpx)
129			fi
130			]
131
132			AC_CACHE_CHECK(for host in utmpx struct, struct_utmpx_host,
133			[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
134			#include <utmpx.h>]], [[struct utmpx utx; utx.ut_host;]])],[struct_utmpx_host=yes],[struct_utmpx_host=no])])
135			if test x$struct_utmpx_host = xyes; then
136			AC_DEFINE(HAVE_UTMPX_HOST, 1, Define if struct utmpx contains ut_host)
137			fi
138
139			AC_CACHE_CHECK(for session in utmpx struct, struct_utmpx_session,
140			[AC_TRY_COMPILE([#include <sys/types.h>
141			#include <utmpx.h>],
142			[struct utmpx utx; utx.ut_session;],
143			struct_utmpx_session=yes, struct_utmpx_session=no)])
144			if test x$struct_utmpx_session = xyes; then
145			AC_DEFINE(HAVE_UTMPX_SESSION, 1, Define if struct utmpx contains ut_session)
146			fi
147			) dnl# AC_CHECK_HEADER(utmpx.h
148
149			dnl# --------------------------------------------------------------------------
150			dnl# check for struct lastlog
151			AC_CACHE_CHECK(for struct lastlog, struct_lastlog,
152			[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
153			#include <utmp.h>
154			#ifdef HAVE_LASTLOG_H
155			#include <lastlog.h>
156			#endif
157			]], [[struct lastlog ll;]])],[struct_lastlog=yes],[struct_lastlog=no])])
158			if test x$struct_lastlog = xyes; then
159			AC_DEFINE(HAVE_STRUCT_LASTLOG, 1, Define if utmp.h or lastlog.h has struct lastlog)
160			fi
161
162			dnl# check for struct lastlogx
163			AC_CACHE_CHECK(for struct lastlogx, struct_lastlogx,
164			[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
165			#include <utmpx.h>
166			#ifdef HAVE_LASTLOG_H
167			#include <lastlog.h>
168			#endif
169			]], [[struct lastlogx ll;]])],[struct_lastlogx=yes],[struct_lastlogx=no])])
170			if test x$struct_lastlogx = xyes; then
171			AC_DEFINE(HAVE_STRUCT_LASTLOGX, 1, Define if utmpx.h or lastlog.h has struct lastlogx)
172			fi
173
174			dnl# --------------------------------------------------------------------------
175			dnl# FIND FILES
176			dnl# --------------------------------------------------------------------------
177
178			dnl# find utmp
179			AC_CACHE_CHECK(where utmp is located, path_utmp,
180			[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
181			#include <sys/types.h>
182			#include <utmp.h>
183			#include <errno.h>
184			main()
185			{
186			char *u, utmplist[] = {
187			"/var/run/utmp", "/var/adm/utmp", "/etc/utmp", "/usr/etc/utmp", "/usr/adm/utmp", NULL };
188			FILE a, f=fopen("conftestval", "w");
189			if (!f) exit(1);
190			#ifdef UTMP_FILE
191			fprintf(f, "%s\n", UTMP_FILE);
192			exit(0);
193			#endif
194			#ifdef _PATH_UTMP
195			fprintf(f, "%s\n", _PATH_UTMP);
196			exit(0);
197			#endif
198			for (u = utmplist; *u; u++) {
199			if ((a = fopen(*u, "r")) != NULL \|\| errno == EACCES) {
200			fprintf(f, "%s\n", *u);
201			exit(0);
202			}
203			}
204			exit(0);
205			}]])],[path_utmp=`cat conftestval`],[path_utmp=],[dnl
206			AC_MSG_WARN(Define UTMP_FILE in config.h manually)])])
207			if test x$path_utmp != x; then
208			AC_DEFINE_UNQUOTED(UTMP_FILE, "$path_utmp", Define location of utmp)
209			fi
210
211			dnl# --------------------------------------------------------------------------
212
213			dnl# find utmpx - if a utmp file exists at the same location and is more than
214			dnl# a day newer, then dump the utmpx. People leave lots of junk around.
215			AC_CACHE_CHECK(where utmpx is located, path_utmpx,
216			[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
217			#include <sys/types.h>
218			#include <utmpx.h>
219			#include <errno.h>
220			#include <sys/stat.h>
221			#ifdef HAVE_STRING_H
222			#include <string.h>
223			#endif
224			main()
225			{
226			char *u, p, *utmplist[] = {
227			#ifdef UTMPX_FILE
228			UTMPX_FILE,
229			#endif
230			#ifdef _PATH_UTMPX
231			_PATH_UTMPX,
232			#endif
233			"/var/adm/utmpx", "/etc/utmpx", NULL };
234			FILE a, f=fopen("conftestval", "w");
235			struct stat statu, statux;
236			if (!f) exit(1);
237			for (u = utmplist; *u; u++) {
238			if ((a = fopen(*u, "r")) != NULL \|\| errno == EACCES) {
239			if (stat(*u, &statux) < 0)
240			continue;
241			p = strdup(*u);
242			p[strlen(p) - 1] = '\0';
243			if (stat(p, &statu) >= 0
244			&& (statu.st_mtime - statux.st_mtime > 86400))
245			continue;
246			fprintf(f, "%s\n", *u);
247			exit(0);
248			}
249			}
250			exit(0);
251			}]])],[path_utmpx=`cat conftestval`],[path_utmpx=],[dnl
252			AC_MSG_WARN(Define UTMPX_FILE in config.h manually)])])
253			if test x$path_utmpx != x; then
254			AC_DEFINE_UNQUOTED(UTMPX_FILE, "$path_utmpx", Define location of utmpx)
255			fi
256
257			dnl# --------------------------------------------------------------------------
258
259			dnl# find wtmp
260			AC_CACHE_CHECK(where wtmp is located, path_wtmp,
261			[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
262			#include <sys/types.h>
263			#ifdef HAVE_UTMP_H
264			#include <utmp.h>
265			#endif
266			#include <errno.h>
267			main()
268			{
269			char *w, wtmplist[] = {
270			"/var/log/wtmp", "/var/adm/wtmp", "/etc/wtmp", "/usr/etc/wtmp", "/usr/adm/wtmp", NULL };
271			FILE a, f=fopen("conftestval", "w");
272			if (!f) exit(1);
273			#ifdef WTMP_FILE
274			fprintf(f, "%s\n", WTMP_FILE);
275			exit(0);
276			#endif
277			#ifdef _PATH_WTMP
278			fprintf(f, "%s\n", _PATH_WTMP);
279			exit(0);
280			#endif
281			for (w = wtmplist; *w; w++) {
282			if ((a = fopen(*w, "r")) != NULL \|\| errno == EACCES) {
283			fprintf(f, "%s\n", *w);
284			exit(0);
285			}
286			}
287			exit(0);
288			}]])],[path_wtmp=`cat conftestval`],[path_wtmp=],[dnl
289			AC_MSG_WARN(Define WTMP_FILE in config.h manually)])])
290			if test x$path_wtmp != x; then
291			AC_DEFINE_UNQUOTED(WTMP_FILE, "$path_wtmp", Define location of wtmp)
292			fi
293			dnl# --------------------------------------------------------------------------
294
295			dnl# find wtmpx
296			AC_CACHE_CHECK(where wtmpx is located, path_wtmpx,
297			[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
298			#ifdef HAVE_UTMPX_H
299			#include <utmpx.h>
300			#endif
301			#include <errno.h>
302			main()
303			{
304			char *w, wtmplist[] = {
305			"/var/log/wtmpx", "/var/adm/wtmpx", NULL };
306			FILE a, f=fopen("conftestval", "w");
307			if (!f) exit(1);
308			#ifdef WTMPX_FILE
309			fprintf(f, "%s\n", WTMPX_FILE);
310			exit(0);
311			#endif
312			#ifdef _PATH_WTMPX
313			fprintf(f, "%s\n", _PATH_WTMPX);
314			exit(0);
315			#endif
316			for (w = wtmplist; *w; w++) {
317			if ((a = fopen(*w, "r")) != NULL \|\| errno == EACCES) {
318			fprintf(f, "%s\n", *w);
319			exit(0);
320			}
321			}
322			exit(0);
323			}]])],[path_wtmpx=`cat conftestval`],[path_wtmpx=],[dnl
324			AC_MSG_WARN(Define WTMPX_FILE in config.h manually)])])
325			if test x$path_wtmpx != x; then
326			AC_DEFINE_UNQUOTED(WTMPX_FILE, "$path_wtmpx", Define location of wtmpx)
327			fi
328			dnl# --------------------------------------------------------------------------
329
330			dnl# find lastlog
331			AC_CACHE_CHECK(where lastlog is located, path_lastlog,
332			[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
333			#include <sys/types.h>
334			#ifdef HAVE_UTMPX_H
335			#include <utmpx.h>
336			#elif defined(HAVE_UTMP_H)
337			#include <utmp.h>
338			#endif
339			#ifdef HAVE_LASTLOG_H
340			#include <lastlog.h>
341			#endif
342			#include <errno.h>
343			main()
344			{
345			char *w, lastloglist[] = { "/var/log/lastlog", NULL };
346			FILE a, f=fopen("conftestval", "w");
347			if (!f) exit(1);
348			#ifdef LASTLOG_FILE
349			fprintf(f, "%s\n", LASTLOG_FILE);
350			exit(0);
351			#endif
352			#ifdef _PATH_LASTLOG
353			fprintf(f, "%s\n", _PATH_LASTLOG);
354			exit(0);
355			#endif
356			for (w = lastloglist; *w; w++) {
357			if ((a = fopen(*w, "r")) != NULL \|\| errno == EACCES) {
358			fprintf(f, "%s\n", *w);
359			exit(0);
360			}
361			}
362			exit(0);
363			}]])],[path_lastlog=`cat conftestval`],[path_lastlog=],[dnl
364			AC_MSG_WARN(Define LASTLOG_FILE in config.h manually)])])
365			if test x$path_lastlog != x; then
366			AC_DEFINE_UNQUOTED(LASTLOG_FILE, "$path_lastlog", Define location of lastlog)
367			if test -d "$path_lastlog"; then
368			AC_DEFINE(LASTLOG_IS_DIR, 1, Define if lastlog is provided via a directory)
369			fi
370			fi
371			dnl# --------------------------------------------------------------------------
372
373			dnl# find lastlogx
374			AC_CACHE_CHECK(where lastlogx is located, path_lastlogx,
375			[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
376			#ifdef HAVE_UTMPX_H
377			#include <utmpx.h>
378			#endif
379			#include <errno.h>
380			main()
381			{
382			char *w, wtmplist[] = { "/var/log/lastlogx", "/var/adm/lastlogx", NULL };
383			FILE a, f=fopen("conftestval", "w");
384			if (!f) exit(1);
385			#ifdef LASTLOGX_FILE
386			fprintf(f, "%s\n", LASTLOGX_FILE);
387			exit(0);
388			#endif
389			#ifdef _PATH_LASTLOGX
390			fprintf(f, "%s\n", _PATH_LASTLOGX);
391			exit(0);
392			#endif
393			for (w = wtmplist; *w; w++) {
394			if ((a = fopen(*w, "r")) != NULL \|\| errno == EACCES) {
395			fprintf(f, "%s\n", *w);
396			exit(0);
397			}
398			}
399			exit(0);
400			}]])],[path_lastlogx=`cat conftestval`],[path_lastlogx=],[dnl
401			AC_MSG_WARN(Define LASTLOGX_FILE in config.h manually)])])
402			if test x$path_lastlogx != x; then
403			AC_DEFINE_UNQUOTED(LASTLOGX_FILE, "$path_lastlogx", Define location of lastlogx)
404			fi
405			])
406
407			AC_DEFUN([SCM_RIGHTS_CHECK],
408			[
409			AC_CACHE_CHECK(for unix-compliant filehandle passing ability, can_pass_fds,
410			[AC_TRY_LINK([
411			#include <cstddef> // broken bsds (is that redundant) need this
412			#include <sys/types.h>
413			#include <sys/socket.h>
414			#include <sys/uio.h>
415			],[
416			{
417			msghdr msg;
418			iovec iov;
419			char buf [100];
420			char data = 0;
421
422			iov.iov_base = &data;
423			iov.iov_len = 1;
424
425			msg.msg_iov = &iov;
426			msg.msg_iovlen = 1;
427			msg.msg_control = buf;
428			msg.msg_controllen = sizeof buf;
429
430			cmsghdr *cmsg = CMSG_FIRSTHDR (&msg);
431			cmsg->cmsg_level = SOL_SOCKET;
432			cmsg->cmsg_type = SCM_RIGHTS;
433			cmsg->cmsg_len = 100;
434
435			(int )CMSG_DATA (cmsg) = 5;
436
437			return sendmsg (3, &msg, 0);
438			}
439			],[can_pass_fds=yes],[can_pass_fds=no])])
440			if test x$can_pass_fds = xyes; then
441			AC_DEFINE(HAVE_UNIX_FDPASS, 1, Define if sys/socket.h defines the necessary macros/functions for file handle passing)
442			else
443			AC_MSG_ERROR([libptytty requires unix-compliant filehandle passing ability])
444			fi
445			])
446	ayin	1.3
447			AC_DEFUN([TTY_GROUP_CHECK],
448			[
449			AC_CACHE_CHECK([for tty group], tty_group,
450			[AC_TRY_RUN([
451			#include <sys/types.h>
452			#include <sys/stat.h>
453			#include <unistd.h>
454			#include <grp.h>
455
456			main()
457			{
458			struct stat st;
459			struct group *gr;
460			char *tty;
461			gr = getgrnam("tty");
462			tty = ttyname(0);
463			if (gr != 0
464			&& tty != 0
465			&& (stat(tty, &st)) == 0
466			&& st.st_gid == gr->gr_gid)
467			return 0;
468			else
469			return 1;
470			}],
471			[tty_group=yes],[tty_group=no],[tty_group=no])])
472			if test x$tty_group = xyes; then
473			AC_DEFINE(TTY_GID_SUPPORT, 1, "")
474			fi])
475