| 1 |
dnl this file is part of libptytty, do not make local modifications |
| 2 |
dnl http://software.schmorp.de/pkg/libptytty |
| 3 |
|
| 4 |
AC_DEFUN([PT_FIND_FILE], |
| 5 |
[AC_CACHE_CHECK(for a fallback location of $1, pt_cv_path_$1, [ |
| 6 |
if test "$cross_compiling" != yes; then |
| 7 |
for file in $3; do |
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if test -f "$file"; then |
| 9 |
pt_cv_path_$1=$file |
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break |
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fi |
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done |
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fi]) |
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if test x$pt_cv_path_$1 != x; then |
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AC_DEFINE_UNQUOTED($2, "$pt_cv_path_$1", Define to a fallback location of $1) |
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elif test "$cross_compiling" = yes; then |
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AC_MSG_WARN(Define $2 in config.h manually) |
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fi]) |
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|
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AC_DEFUN([PTY_CHECK], |
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[ |
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AC_CHECK_HEADERS( \ |
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pty.h \ |
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util.h \ |
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libutil.h \ |
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sys/ioctl.h \ |
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sys/stropts.h \ |
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stropts.h \ |
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) |
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|
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AC_CHECK_FUNCS( \ |
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revoke \ |
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_getpty \ |
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getpt \ |
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posix_openpt \ |
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isastream \ |
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setuid \ |
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seteuid \ |
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setreuid \ |
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setresuid \ |
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) |
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|
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AC_MSG_CHECKING(for UNIX98 ptys) |
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AC_LINK_IFELSE( |
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[AC_LANG_PROGRAM( |
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[[#include <stdlib.h>]], |
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[[grantpt(0);unlockpt(0);ptsname(0);]])], |
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[unix98_pty=yes |
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AC_DEFINE(UNIX98_PTY, 1, "") |
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AC_MSG_RESULT(yes)], |
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[AC_MSG_RESULT(no)]) |
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|
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if test -z "$unix98_pty"; then |
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AC_SEARCH_LIBS(openpty, util, AC_DEFINE(HAVE_OPENPTY, 1, "")) |
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fi |
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]) |
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|
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AC_DEFUN([UTMP_CHECK], |
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[ |
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support_utmp=yes |
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support_wtmp=yes |
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support_lastlog=yes |
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|
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AC_ARG_ENABLE(utmp, |
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[AS_HELP_STRING([--enable-utmp],[enable utmp (utmpx) support])], |
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[if test x$enableval = xyes -o x$enableval = xno; then |
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support_utmp=$enableval |
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fi]) |
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|
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AC_ARG_ENABLE(wtmp, |
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[AS_HELP_STRING([--enable-wtmp],[enable wtmp (wtmpx) support (requires --enable-utmp)])], |
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[if test x$enableval = xyes -o x$enableval = xno; then |
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support_wtmp=$enableval |
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fi]) |
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|
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AC_ARG_ENABLE(lastlog, |
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[AS_HELP_STRING([--enable-lastlog],[enable lastlog support (requires --enable-utmp)])], |
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[if test x$enableval = xyes -o x$enableval = xno; then |
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support_lastlog=$enableval |
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fi]) |
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|
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if test x$support_utmp = xyes; then |
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AC_DEFINE(UTMP_SUPPORT, 1, Define if you want to have utmp/utmpx support) |
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fi |
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if test x$support_wtmp = xyes; then |
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AC_DEFINE(WTMP_SUPPORT, 1, Define if you want to have wtmp support when utmp/utmpx is enabled) |
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fi |
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if test x$support_lastlog = xyes; then |
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AC_DEFINE(LASTLOG_SUPPORT, 1, Define if you want to have lastlog support when utmp/utmpx is enabled) |
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fi |
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|
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AC_CHECK_FUNCS( \ |
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updwtmp \ |
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updwtmpx \ |
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updlastlogx \ |
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) |
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|
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AC_CHECK_HEADERS(lastlog.h) |
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|
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dnl# -------------------------------------------------------------------------- |
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dnl# DO ALL UTMP AND WTMP CHECKING |
| 102 |
dnl# -------------------------------------------------------------------------- |
| 103 |
dnl# check for host field in utmp structure |
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|
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dnl# -------------------------------------------- |
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AC_CHECK_HEADERS(utmp.h, |
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AC_CHECK_TYPES([struct utmp], [], [], [ |
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#include <sys/types.h> |
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#include <utmp.h> |
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]) |
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|
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AC_CHECK_MEMBER([struct utmp.ut_host], |
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[AC_DEFINE(HAVE_UTMP_HOST, 1, Define if struct utmp contains ut_host)], [], [ |
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#include <sys/types.h> |
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#include <utmp.h> |
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]) |
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|
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AC_CHECK_MEMBER([struct utmp.ut_pid], |
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[AC_DEFINE(HAVE_UTMP_PID, 1, Define if struct utmp contains ut_pid)], [], [ |
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#include <sys/types.h> |
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#include <utmp.h> |
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]) |
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) dnl# AC_CHECK_HEADERS(utmp.h |
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|
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dnl# -------------------------------------------- |
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|
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AC_CHECK_HEADERS(utmpx.h, |
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AC_CHECK_TYPES([struct utmpx], [], [], [ |
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#include <sys/types.h> |
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#include <utmpx.h> |
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]) |
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|
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AC_CHECK_MEMBER([struct utmpx.ut_host], |
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[AC_DEFINE(HAVE_UTMPX_HOST, 1, Define if struct utmpx contains ut_host)], [], [ |
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#include <sys/types.h> |
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#include <utmpx.h> |
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]) |
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) dnl# AC_CHECK_HEADERS(utmpx.h |
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|
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dnl# -------------------------------------------------------------------------- |
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dnl# check for struct lastlog |
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AC_CHECK_TYPES([struct lastlog], [], [], [ |
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#include <sys/types.h> |
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#include <utmp.h> |
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#ifdef HAVE_LASTLOG_H |
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#include <lastlog.h> |
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#endif |
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]) |
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|
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dnl# check for struct lastlogx |
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AC_CHECK_TYPES([struct lastlogx], [], [], [ |
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#include <sys/types.h> |
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#include <utmpx.h> |
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#ifdef HAVE_LASTLOG_H |
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#include <lastlog.h> |
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#endif |
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]) |
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|
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dnl# -------------------------------------------------------------------------- |
| 160 |
dnl# FIND FILES |
| 161 |
dnl# -------------------------------------------------------------------------- |
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|
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dnl# find utmp |
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PT_FIND_FILE([utmp], [PT_UTMP_FILE], |
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["/var/run/utmp" "/var/adm/utmp" "/etc/utmp" "/usr/etc/utmp" "/usr/adm/utmp"]) |
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|
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dnl# -------------------------------------------------------------------------- |
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|
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dnl# find wtmp |
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PT_FIND_FILE([wtmp], [PT_WTMP_FILE], |
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["/var/log/wtmp" "/var/adm/wtmp" "/etc/wtmp" "/usr/etc/wtmp" "/usr/adm/wtmp"]) |
| 172 |
dnl# -------------------------------------------------------------------------- |
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|
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dnl# find wtmpx |
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PT_FIND_FILE([wtmpx], [PT_WTMPX_FILE], |
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["/var/log/wtmpx" "/var/adm/wtmpx"]) |
| 177 |
dnl# -------------------------------------------------------------------------- |
| 178 |
|
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dnl# find lastlog |
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PT_FIND_FILE([lastlog], [PT_LASTLOG_FILE], |
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["/var/log/lastlog"]) |
| 182 |
dnl# -------------------------------------------------------------------------- |
| 183 |
|
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dnl# find lastlogx |
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PT_FIND_FILE([lastlogx], [PT_LASTLOGX_FILE], |
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["/var/log/lastlogx" "/var/adm/lastlogx"]) |
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]) |
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|
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AC_DEFUN([SCM_RIGHTS_CHECK], |
| 190 |
[ |
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AC_CACHE_CHECK(for unix-compliant filehandle passing ability, pt_cv_can_pass_fds, |
| 192 |
[AC_LINK_IFELSE([AC_LANG_PROGRAM([[ |
| 193 |
#include <cstddef> // broken bsds (is that redundant?) need this |
| 194 |
#include <sys/types.h> |
| 195 |
#include <sys/socket.h> |
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#include <sys/uio.h> |
| 197 |
]], [[ |
| 198 |
{ |
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msghdr msg; |
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iovec iov; |
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char buf [100]; |
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char data = 0; |
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|
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iov.iov_base = &data; |
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iov.iov_len = 1; |
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|
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msg.msg_iov = &iov; |
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msg.msg_iovlen = 1; |
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msg.msg_control = buf; |
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msg.msg_controllen = sizeof buf; |
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|
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cmsghdr *cmsg = CMSG_FIRSTHDR (&msg); |
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cmsg->cmsg_level = SOL_SOCKET; |
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cmsg->cmsg_type = SCM_RIGHTS; |
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cmsg->cmsg_len = 100; |
| 216 |
|
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*(int *)CMSG_DATA (cmsg) = 5; |
| 218 |
|
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return sendmsg (3, &msg, 0); |
| 220 |
} |
| 221 |
]])],[pt_cv_can_pass_fds=yes],[pt_cv_can_pass_fds=no])]) |
| 222 |
if test x$pt_cv_can_pass_fds = xyes; then |
| 223 |
AC_DEFINE(HAVE_UNIX_FDPASS, 1, Define if sys/socket.h defines the necessary macros/functions for file handle passing) |
| 224 |
else |
| 225 |
AC_MSG_ERROR([libptytty requires unix-compliant filehandle passing ability]) |
| 226 |
fi |
| 227 |
]) |
| 228 |
|
| 229 |
AC_DEFUN([TTY_GROUP_CHECK], |
| 230 |
[ |
| 231 |
AC_CACHE_CHECK([for tty group], pt_cv_tty_group, |
| 232 |
[AC_RUN_IFELSE([AC_LANG_SOURCE([[ |
| 233 |
#include <sys/types.h> |
| 234 |
#include <sys/stat.h> |
| 235 |
#include <unistd.h> |
| 236 |
#include <grp.h> |
| 237 |
|
| 238 |
int main() |
| 239 |
{ |
| 240 |
struct stat st; |
| 241 |
struct group *gr; |
| 242 |
char *tty; |
| 243 |
gr = getgrnam("tty"); |
| 244 |
tty = ttyname(0); |
| 245 |
if (gr != 0 |
| 246 |
&& tty != 0 |
| 247 |
&& (stat(tty, &st)) == 0 |
| 248 |
&& st.st_gid == gr->gr_gid) |
| 249 |
return 0; |
| 250 |
else |
| 251 |
return 1; |
| 252 |
}]])],[pt_cv_tty_group=yes],[pt_cv_tty_group=no],[pt_cv_tty_group=no])]) |
| 253 |
if test x$pt_cv_tty_group = xyes; then |
| 254 |
AC_DEFINE(TTY_GID_SUPPORT, 1, "") |
| 255 |
fi]) |
| 256 |
|
