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dnl
dnl PAM stuff for CUPS.
dnl
dnl Copyright © 2020-2024 by OpenPrinting.
dnl Copyright © 2007-2017 by Apple Inc.
dnl Copyright © 1997-2005 by Easy Software Products, all rights reserved.
dnl
dnl Licensed under Apache License v2.0. See the file "LICENSE" for more
dnl information.
dnl
AC_ARG_ENABLE([pam], AS_HELP_STRING([--disable-pam], [disable PAM support]))
AC_ARG_WITH([pam_module], AS_HELP_STRING([--with-pam-module], [set the PAM module to use]))
PAMDIR=""
PAMFILE="pam.std"
PAMLIBS=""
PAMMOD="pam_unknown.so"
PAMMODAUTH="pam_unknown.so"
AS_IF([test x$enable_pam != xno], [
SAVELIBS="$LIBS"
AC_CHECK_LIB([dl], [dlopen])
AC_CHECK_LIB([pam], [pam_start])
AC_CHECK_LIB([pam], [pam_set_item], [
AC_DEFINE([HAVE_PAM_SET_ITEM], [1], [Have pam_set_item function?])
])
AC_CHECK_LIB([pam], [pam_setcred], [
AC_DEFINE([HAVE_PAM_SETCRED], [1], [Have pam_setcred function?])
])
AC_CHECK_HEADER([security/pam_appl.h])
AS_IF([test x$ac_cv_header_security_pam_appl_h != xyes], [
AC_CHECK_HEADER([pam/pam_appl.h], [
AC_DEFINE([HAVE_PAM_PAM_APPL_H], [1], [Have <pam/pam_appl.h> header?])
])
])
AS_IF([test x$ac_cv_lib_pam_pam_start != xno], [
# Set the necessary libraries for PAM...
AS_IF([test x$ac_cv_lib_dl_dlopen != xno], [
PAMLIBS="-lpam -ldl"
], [
PAMLIBS="-lpam"
])
# Find the PAM configuration directory, if any...
for dir in /private/etc/pam.d /etc/pam.d; do
AS_IF([test -d $dir], [
PAMDIR="$dir"
break;
])
done
])
LIBS="$SAVELIBS"
AS_CASE(["$host_os_name"], [darwin*], [
# Darwin/macOS
AS_IF([test "x$with_pam_module" != x], [
PAMFILE="pam.$with_pam_module"
], [test -f /usr/lib/pam/pam_opendirectory.so.2], [
PAMFILE="pam.opendirectory"
], [
PAMFILE="pam.securityserver"
])
], [*], [
# All others; this test might need to be updated
# as Linux distributors move things around...
AS_IF([test "x$with_pam_module" != x], [
PAMMOD="pam_${with_pam_module}.so"
], [test -f /etc/pam.d/common-auth], [
PAMFILE="pam.common"
], [test -f /etc/pam.d/password-auth], [
PAMFILE="pam.password"
], [test -f /etc/pam.d/system-auth], [
PAMFILE="pam.system"
], [
moddir=""
for dir in /lib/security /lib64/security /lib/x86_64-linux-gnu/security /var/lib/pam; do
AS_IF([test -d $dir], [
moddir="$dir"
break;
])
done
AS_IF([test -f $moddir/pam_unix2.so], [
PAMMOD="pam_unix2.so"
], [test -f $moddir/pam_unix.so], [
PAMMOD="pam_unix.so"
])
])
AS_IF([test "x$PAMMOD" = xpam_unix.so], [
PAMMODAUTH="$PAMMOD shadow nodelay"
], [
PAMMODAUTH="$PAMMOD nodelay"
])
])
])
AC_SUBST([PAMDIR])
AC_SUBST([PAMFILE])
AC_SUBST([PAMLIBS])
AC_SUBST([PAMMOD])
AC_SUBST([PAMMODAUTH])
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