| 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(where $1 is located, pt_cv_path_$1, |
| 6 |
[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h> |
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#include <stdlib.h> |
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#include <sys/stat.h> |
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$5 |
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int main() |
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{ |
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const char **path, *list[] = { $4, NULL }; |
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FILE *f = fopen("conftestval", "w"); |
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if (!f) return 1; |
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#ifdef $2 |
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fprintf(f, "%s\n", $2); |
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#elif defined($3) |
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fprintf(f, "%s\n", $3); |
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#else |
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for (path = list; *path; path++) { |
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struct stat st; |
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if (stat(*path, &st) == 0) { |
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fprintf(f, "%s\n", *path); |
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break; |
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} |
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} |
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#endif |
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return fclose(f) != 0; |
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}]])],[pt_cv_path_$1=`cat conftestval`],[pt_cv_path_$1=], |
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[AC_MSG_WARN(Define $2 in config.h manually)])]) |
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if test x$pt_cv_path_$1 != x; then |
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AC_DEFINE_UNQUOTED($2, "$pt_cv_path_$1", Define location of $1) |
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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([AC_LANG_PROGRAM([[#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 |
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dnl# -------------------------------------------------------------------------- |
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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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|
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AC_CHECK_MEMBER([struct utmpx.ut_session], |
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[AC_DEFINE(HAVE_UTMPX_SESSION, 1, Define if struct utmpx contains ut_session)], [], [ |
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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# -------------------------------------------------------------------------- |
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dnl# FIND FILES |
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dnl# -------------------------------------------------------------------------- |
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|
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dnl# find utmp |
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PT_FIND_FILE([utmp], [UTMP_FILE], [_PATH_UTMP], |
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["/var/run/utmp", "/var/adm/utmp", "/etc/utmp", "/usr/etc/utmp", "/usr/adm/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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dnl# -------------------------------------------------------------------------- |
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|
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dnl# find wtmp |
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PT_FIND_FILE([wtmp], [WTMP_FILE], [_PATH_WTMP], |
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["/var/log/wtmp", "/var/adm/wtmp", "/etc/wtmp", "/usr/etc/wtmp", "/usr/adm/wtmp"],[ |
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#include <sys/types.h> |
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#ifdef HAVE_UTMP_H |
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#include <utmp.h> |
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#endif |
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]) |
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dnl# -------------------------------------------------------------------------- |
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|
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dnl# find wtmpx |
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PT_FIND_FILE([wtmpx], [WTMPX_FILE], [_PATH_WTMPX], |
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["/var/log/wtmpx", "/var/adm/wtmpx"],[ |
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#ifdef HAVE_UTMPX_H |
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#include <utmpx.h> |
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#endif |
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]) |
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dnl# -------------------------------------------------------------------------- |
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|
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dnl# find lastlog |
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PT_FIND_FILE([lastlog], [LASTLOG_FILE], [_PATH_LASTLOG], |
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["/var/log/lastlog"],[ |
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#include <sys/types.h> |
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#ifdef HAVE_UTMP_H |
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#include <utmp.h> |
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#endif |
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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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dnl# -------------------------------------------------------------------------- |
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|
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dnl# find lastlogx |
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PT_FIND_FILE([lastlogx], [LASTLOGX_FILE], [_PATH_LASTLOGX], |
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["/var/log/lastlogx", "/var/adm/lastlogx"],[ |
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#ifdef HAVE_UTMPX_H |
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#include <utmpx.h> |
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#endif |
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]) |
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]) |
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|
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AC_DEFUN([SCM_RIGHTS_CHECK], |
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[ |
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AC_CACHE_CHECK(for unix-compliant filehandle passing ability, pt_cv_can_pass_fds, |
| 235 |
[AC_LINK_IFELSE([AC_LANG_PROGRAM([[ |
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#include <cstddef> // broken bsds (is that redundant?) need this |
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#include <sys/types.h> |
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#include <sys/socket.h> |
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#include <sys/uio.h> |
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]], [[ |
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{ |
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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; |
| 259 |
|
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*(int *)CMSG_DATA (cmsg) = 5; |
| 261 |
|
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return sendmsg (3, &msg, 0); |
| 263 |
} |
| 264 |
]])],[pt_cv_can_pass_fds=yes],[pt_cv_can_pass_fds=no])]) |
| 265 |
if test x$pt_cv_can_pass_fds = xyes; then |
| 266 |
AC_DEFINE(HAVE_UNIX_FDPASS, 1, Define if sys/socket.h defines the necessary macros/functions for file handle passing) |
| 267 |
else |
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AC_MSG_ERROR([libptytty requires unix-compliant filehandle passing ability]) |
| 269 |
fi |
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]) |
| 271 |
|
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AC_DEFUN([TTY_GROUP_CHECK], |
| 273 |
[ |
| 274 |
AC_CACHE_CHECK([for tty group], pt_cv_tty_group, |
| 275 |
[AC_RUN_IFELSE([AC_LANG_SOURCE([[ |
| 276 |
#include <sys/types.h> |
| 277 |
#include <sys/stat.h> |
| 278 |
#include <unistd.h> |
| 279 |
#include <grp.h> |
| 280 |
|
| 281 |
int main() |
| 282 |
{ |
| 283 |
struct stat st; |
| 284 |
struct group *gr; |
| 285 |
char *tty; |
| 286 |
gr = getgrnam("tty"); |
| 287 |
tty = ttyname(0); |
| 288 |
if (gr != 0 |
| 289 |
&& tty != 0 |
| 290 |
&& (stat(tty, &st)) == 0 |
| 291 |
&& st.st_gid == gr->gr_gid) |
| 292 |
return 0; |
| 293 |
else |
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return 1; |
| 295 |
}]])],[pt_cv_tty_group=yes],[pt_cv_tty_group=no],[pt_cv_tty_group=no])]) |
| 296 |
if test x$pt_cv_tty_group = xyes; then |
| 297 |
AC_DEFINE(TTY_GID_SUPPORT, 1, "") |
| 298 |
fi]) |
| 299 |
|
