configure.in

   1 AC_REVISION($Revision$)
   2 AC_PREREQ(2.57)
   3 AC_INIT(mod_auth_gssapi, 0.1, modauthkerb-developers@lists.sourceforge.net)
   4 AC_CONFIG_SRCDIR([mod_auth_gssapi.c])
   5 AC_CONFIG_HEADER([config.h])
   6
   7 # Checks for programs.
   8 AC_PROG_CC
   9 AC_PROG_MAKE_SET
  10
  11 # Checks for header files.
  12 AC_HEADER_STDC
  13 AC_CHECK_HEADERS([limits.h netdb.h stddef.h stdlib.h string.h unistd.h])
  14
  15 # Checks for typedefs, structures, and compiler characteristics.
  16 #AC_C_CONST
  17 AC_TYPE_SIZE_T
  18 AC_STRUCT_TM
  19
  20 #
  21 # GSS-API enviroment
  22 #
  23 SPNEGO_SRCS=""
  24
  25 AC_ARG_WITH(gss,
  26   AC_HELP_STRING([--with-gss=dir],[use gss in dir]),
  27   [ with_gss="$withval" ])
  28 if test "x$with_gss" = "xyes" ; then
  29   with_gss=""
  30 fi
  31
  32 ac_save_CPPFLAGS="$CPPFLAGS"
  33 ac_save_LDFLAGS="$LDFLAGS"
  34 ac_save_LIBS="$LIBS"
  35
  36 if test -z "$GSS_CPPFLAGS"; then
  37    TMP_GSS_CPPFLAGS=""
  38    if test -n "with_gss"; then
  39       TMP_GSS_CPPFLAGS="-I$with_gss/include"
  40    fi
  41    CPPFLAGS="$CPPFLAGS $TMP_GSS_CPPFLAGS"
  42    AC_CHECK_HEADERS(gssapi.h,
  43                     [ GSS_CPPFLAGS="$TMP_GSS_CPPFLAGS" ])
  44    if test -z "$GSS_CPPFLAGS"; then
  45       AC_CHECK_HEADERS(gssapi/gssapi.h,
  46                        [ GSS_CPPFLAGS="$TMP_GSS_CPPFLAGS" ])
  47    fi
  48    CPPFLAGS="$ac_save_CPPFLAGS"
  49 fi
  50
  51 #if test "x$with_gss"="x"; then
  52 #      tmp_lf_inc=""
  53 #   else
  54 #      tmp_lf_inc="-L"
  55 #fi
  56 if test -z "$GSS_LDFLAGS"; then
  57    TMP_GSS_LDFLAGS=""
  58    if test -n "$with_gss"; then
  59 # XXX think about lib64, etc
  60       TMP_GSS_LDFLAGS="-L $with_gss/lib"
  61    fi
  62 fi
  63 LIBS="$LIBS $TMP_GSS_LDFLAGS"
  64 AC_CHECK_LIB(
  65         [gssapi_krb5], gss_accept_sec_context,
  66         [found_gssapi=yes
  67                 LIBS="-lgssapi_krb5 $LIBS"],
  68         [AC_CHECK_LIB(gssapi, gss_accept_sec_context, [ found_gssapi=yes
  69                 LIBS="$LIBS -lgssapi"],
  70                 [LIBS="$ac_save_LIBS"])])
  71 if test -z "$found_gssapi"; then
  72    AC_MSG_ERROR([failed to find a GSS-API library])
  73 fi
  74
  75 # If SPNEGO is supported by the gssapi libraries, we shouln't build our support.
  76 # SPNEGO is supported as of Heimdal 0.7, and MIT 1.5.
  77 gssapi_supports_spnego=""
  78 AC_MSG_CHECKING(whether the GSSAPI libraries support SPNEGO)
  79
  80 ac_save_CFLAGS="$CFLAGS"
  81 CFLAGS="$GSS_CPPFLAGS"
  82
  83 ac_save_LDFLAGS=$LDFLAGS
  84 LDFLAGS="$GSS_LDFLAGS"
  85 # to make sure the testing binary can be launched:
  86 if test -n "$with_gss"; then
  87    LDFLAGS="$LDFLAGS -Wl,-rpath -Wl,$with_gss/lib"
  88 fi
  89      AC_TRY_RUN([
  90 #include <string.h>
  91 #include <gssapi.h>
  92 int main(int argc, char** argv)
  93 {
  94        OM_uint32 major_status, minor_status;
  95        gss_OID_set mech_set;
  96        gss_OID_desc spnego_oid_desc = {6, (void *)"\x2b\x06\x01\x05\x05\x02"};
  97        int SPNEGO = 0;
  98
  99        major_status = gss_indicate_mechs(&minor_status, &mech_set);
 100        if (GSS_ERROR(major_status))
 101                return 1;
 102        else {
 103                unsigned int i;
 104                for (i=0; i < mech_set->count && !SPNEGO; i++) {
 105                        gss_OID tmp_oid = &mech_set->elements[i];
 106                       if (tmp_oid->length == spnego_oid_desc.length &&
 107                            !memcmp(tmp_oid->elements, spnego_oid_desc.elements,
 108                                    tmp_oid->length)) {
 109                                SPNEGO = 1;
 110                                break;
 111                        }
 112                }
 113                gss_release_oid_set(&minor_status, &mech_set);
 114                return (!SPNEGO);
 115        }
 116 }],
 117      [ if test $? -eq 0; then
 118          AC_MSG_RESULT(yes)
 119          AC_DEFINE(GSSAPI_SUPPORTS_SPNEGO,1,[GSS-API implementation has its own SPNEGO])
 120          gssapi_supports_spnego=yes
 121        else
 122          AC_MSG_RESULT(no)
 123        fi],
 124      [ AC_MSG_RESULT(no)]
 125      )
 126
 127 CFLAGS="$ac_save_CFLAGS"
 128 LDFLAGS="$ac_save_LDFLAGS"
 129
 130 if test -z "$gssapi_supports_spnego"; then
 131    SPNEGO_SRCS="\
 132                 spnegokrb5/asn1_MechType.c         \
 133                 spnegokrb5/asn1_MechTypeList.c     \
 134                 spnegokrb5/asn1_ContextFlags.c     \
 135                 spnegokrb5/asn1_NegTokenInit.c     \
 136                 spnegokrb5/asn1_NegTokenTarg.c     \
 137                 spnegokrb5/der_get.c               \
 138                 spnegokrb5/der_put.c               \
 139                 spnegokrb5/der_free.c              \
 140                 spnegokrb5/der_length.c            \
 141                 spnegokrb5/der_copy.c              \
 142                 spnegokrb5/timegm.c                \
 143                 spnegokrb5/init_sec_context.c      \
 144                 spnegokrb5/accept_sec_context.c    \
 145                 spnegokrb5/encapsulate.c           \
 146                 spnegokrb5/decapsulate.c           \
 147                 spnegokrb5/external.c"
 148 fi
 149 AC_SUBST(GSS_CPPFLAGS)
 150 AC_SUBST(GSS_LDFLAGS)
 151 AC_SUBST(SPNEGO_SRCS)
 152
 153 #
 154 # Apache enviroment
 155 #
 156 AC_ARG_WITH(apache,
 157   AC_HELP_STRING([--with-apache=dir],[use apache in dir]),
 158   [ with_apache="$withval" ])
 159
 160 AC_PATH_PROG([APXS], [apxs], [], [$with_apache/bin:$with_apache/sbin:$PATH])
 161 if test -z "$APXS"; then
 162    AC_PATH_PROG([APXS], [apxs2], [], [$with_apache/bin:$with_apache/sbin:$PATH])
 163    if test -z "$APXS"; then
 164       AC_MSG_ERROR([failed to find apache apxs executable])
 165    fi
 166 fi
 167 AC_SUBST(APXS)
 168
 169 AC_CONFIG_FILES([Makefile])
 170
 171 AC_OUTPUT