config-scripts/cups-pam.m4

   1 dnl
   2 dnl PAM stuff for CUPS.
   3 dnl
   4 dnl Copyright 2007-2017 by Apple Inc.
   5 dnl Copyright 1997-2005 by Easy Software Products, all rights reserved.
   6 dnl
   7 dnl Licensed under Apache License v2.0.  See the file "LICENSE" for more information.
   8 dnl
   9
  10 AC_ARG_ENABLE(pam, [  --disable-pam           disable PAM support])
  11 AC_ARG_WITH(pam_module, [  --with-pam-module       set the PAM module to use])
  12
  13 PAMDIR=""
  14 PAMFILE="pam.std"
  15 PAMLIBS=""
  16 PAMMOD="pam_unknown.so"
  17 PAMMODAUTH="pam_unknown.so"
  18
  19 if test x$enable_pam != xno; then
  20         SAVELIBS="$LIBS"
  21
  22         AC_CHECK_LIB(dl,dlopen)
  23         AC_CHECK_LIB(pam,pam_start)
  24         AC_CHECK_LIB(pam,pam_set_item,AC_DEFINE(HAVE_PAM_SET_ITEM))
  25         AC_CHECK_LIB(pam,pam_setcred,AC_DEFINE(HAVE_PAM_SETCRED))
  26         AC_CHECK_HEADER(security/pam_appl.h)
  27         if test x$ac_cv_header_security_pam_appl_h != xyes; then
  28                 AC_CHECK_HEADER(pam/pam_appl.h,
  29                         AC_DEFINE(HAVE_PAM_PAM_APPL_H))
  30         fi
  31
  32         if test x$ac_cv_lib_pam_pam_start != xno; then
  33                 # Set the necessary libraries for PAM...
  34                 if test x$ac_cv_lib_dl_dlopen != xno; then
  35                         PAMLIBS="-lpam -ldl"
  36                 else
  37                         PAMLIBS="-lpam"
  38                 fi
  39
  40                 # Find the PAM configuration directory, if any...
  41                 for dir in /private/etc/pam.d /etc/pam.d; do
  42                         if test -d $dir; then
  43                                 PAMDIR=$dir
  44                                 break;
  45                         fi
  46                 done
  47         fi
  48
  49         LIBS="$SAVELIBS"
  50
  51         case "$host_os_name" in
  52                 darwin*)
  53                         # Darwin/macOS
  54                         if test "x$with_pam_module" != x; then
  55                                 PAMFILE="pam.$with_pam_module"
  56                         elif test -f /usr/lib/pam/pam_opendirectory.so.2; then
  57                                 PAMFILE="pam.opendirectory"
  58                         else
  59                                 PAMFILE="pam.securityserver"
  60                         fi
  61                         ;;
  62
  63                 *)
  64                         # All others; this test might need to be updated
  65                         # as Linux distributors move things around...
  66                         if test "x$with_pam_module" != x; then
  67                                 PAMMOD="pam_${with_pam_module}.so"
  68                         elif test -f /etc/pam.d/common-auth; then
  69                                 PAMFILE="pam.common"
  70                         else
  71                                 moddir=""
  72                                 for dir in /lib/security /lib64/security /lib/x86_64-linux-gnu/security /var/lib/pam; do
  73                                         if test -d $dir; then
  74                                                 moddir=$dir
  75                                                 break;
  76                                         fi
  77                                 done
  78
  79                                 if test -f $moddir/pam_unix2.so; then
  80                                         PAMMOD="pam_unix2.so"
  81                                 elif test -f $moddir/pam_unix.so; then
  82                                         PAMMOD="pam_unix.so"
  83                                 fi
  84                         fi
  85
  86                         if test "x$PAMMOD" = xpam_unix.so; then
  87                                 PAMMODAUTH="$PAMMOD shadow nodelay"
  88                         else
  89                                 PAMMODAUTH="$PAMMOD nodelay"
  90                         fi
  91                         ;;
  92         esac
  93 fi
  94
  95 AC_SUBST(PAMDIR)
  96 AC_SUBST(PAMFILE)
  97 AC_SUBST(PAMLIBS)
  98 AC_SUBST(PAMMOD)
  99 AC_SUBST(PAMMODAUTH)