config-scripts/cups-pam.m4

   1 dnl
   2 dnl PAM stuff for CUPS.
   3 dnl
   4 dnl Copyright 2007-2013 by Apple Inc.
   5 dnl Copyright 1997-2005 by Easy Software Products, all rights reserved.
   6 dnl
   7 dnl These coded instructions, statements, and computer programs are the
   8 dnl property of Apple Inc. and are protected by Federal copyright
   9 dnl law.  Distribution and use rights are outlined in the file "LICENSE.txt"
  10 dnl which should have been included with this file.  If this file is
  11 dnl missing or damaged, see the license at "http://www.cups.org/".
  12 dnl
  13
  14 AC_ARG_ENABLE(pam, [  --disable-pam           disable PAM support])
  15 AC_ARG_WITH(pam_module, [  --with-pam-module       specify the PAM module to use])
  16
  17 PAMDIR=""
  18 PAMFILE="pam.std"
  19 PAMLIBS=""
  20 PAMMOD="pam_unknown.so"
  21 PAMMODAUTH="pam_unknown.so"
  22
  23 if test x$enable_pam != xno; then
  24         SAVELIBS="$LIBS"
  25
  26         AC_CHECK_LIB(dl,dlopen)
  27         AC_CHECK_LIB(pam,pam_start)
  28         AC_CHECK_LIB(pam,pam_set_item,AC_DEFINE(HAVE_PAM_SET_ITEM))
  29         AC_CHECK_LIB(pam,pam_setcred,AC_DEFINE(HAVE_PAM_SETCRED))
  30         AC_CHECK_HEADER(security/pam_appl.h)
  31         if test x$ac_cv_header_security_pam_appl_h != xyes; then
  32                 AC_CHECK_HEADER(pam/pam_appl.h,
  33                         AC_DEFINE(HAVE_PAM_PAM_APPL_H))
  34         fi
  35
  36         if test x$ac_cv_lib_pam_pam_start != xno; then
  37                 # Set the necessary libraries for PAM...
  38                 if test x$ac_cv_lib_dl_dlopen != xno; then
  39                         PAMLIBS="-lpam -ldl"
  40                 else
  41                         PAMLIBS="-lpam"
  42                 fi
  43
  44                 # Find the PAM configuration directory, if any...
  45                 for dir in /private/etc/pam.d /etc/pam.d; do
  46                         if test -d $dir; then
  47                                 PAMDIR=$dir
  48                                 break;
  49                         fi
  50                 done
  51         fi
  52
  53         LIBS="$SAVELIBS"
  54
  55         case "$uname" in
  56                 Darwin*)
  57                         # Darwin/macOS
  58                         if test "x$with_pam_module" != x; then
  59                                 PAMFILE="pam.$with_pam_module"
  60                         elif test -f /usr/lib/pam/pam_opendirectory.so.2; then
  61                                 PAMFILE="pam.opendirectory"
  62                         else
  63                                 PAMFILE="pam.securityserver"
  64                         fi
  65                         ;;
  66
  67                 *)
  68                         # All others; this test might need to be updated
  69                         # as Linux distributors move things around...
  70                         if test "x$with_pam_module" != x; then
  71                                 PAMMOD="pam_${with_pam_module}.so"
  72                         elif test -f /lib/security/pam_unix2.so; then
  73                                 PAMMOD="pam_unix2.so"
  74                         elif test -f /lib/security/pam_unix.so; then
  75                                 PAMMOD="pam_unix.so"
  76                         fi
  77
  78                         if test "x$PAMMOD" = xpam_unix.so; then
  79                                 PAMMODAUTH="$PAMMOD shadow nodelay"
  80                         else
  81                                 PAMMODAUTH="$PAMMOD nodelay"
  82                         fi
  83                         ;;
  84         esac
  85 fi
  86
  87 AC_SUBST(PAMDIR)
  88 AC_SUBST(PAMFILE)
  89 AC_SUBST(PAMLIBS)
  90 AC_SUBST(PAMMOD)
  91 AC_SUBST(PAMMODAUTH)