configure.in

   1 # Process this file with autoconf to produce a configure script.
   2 AC_REVISION($Revision$)
   3 AC_PREREQ(2.57)
   4 AC_INIT(mod_auth_kerb, 5.3, modauthkerb-developers@lists.sourceforge.net)
   5 AC_CONFIG_SRCDIR([src/mod_auth_kerb.c])
   6 AC_CONFIG_HEADER([config.h])
   7
   8 # Checks for programs.
   9 AC_PROG_CC
  10 AC_PROG_MAKE_SET
  11
  12 # Checks for libraries.
  13 # FIXME: Replace `main' with a function in `-lresolv':
  14 LIB_resolv=""
  15 AC_CHECK_LIB([resolv], [main], [LIB_resolv=-lresolv])
  16 AC_SUBST(LIB_resolv)
  17
  18 # Checks for header files.
  19 AC_HEADER_STDC
  20 AC_CHECK_HEADERS([limits.h netdb.h stddef.h stdlib.h string.h unistd.h])
  21
  22 # Checks for typedefs, structures, and compiler characteristics.
  23 #AC_C_CONST
  24 AC_TYPE_SIZE_T
  25 AC_STRUCT_TM
  26
  27 # Checks for library functions.
  28 #AC_FUNC_MALLOC
  29 #AC_FUNC_MEMCMP
  30 #AC_CHECK_FUNCS([gethostbyname memset putenv strcasecmp strchr strdup strerror])
  31
  32 #
  33 # kerberos5 enviroment
  34 #
  35 krb5_config_command=krb5-config
  36 SPNEGO_SRCS=""
  37
  38 AC_ARG_WITH(krb5,
  39   AC_HELP_STRING([--with-krb5=dir],[use krb5 in dir]),
  40   [ with_krb5="$withval" ])
  41
  42 if test "x$with_krb5" = "xyes" ; then
  43   with_krb5=""
  44 fi
  45
  46 if test "x$with_krb4" = "xyes" ; then
  47   with_krb4=""
  48 fi
  49
  50 if test "x$with_krb5" != "xno" ; then
  51   ac_save_CPPFLAGS="$CPPFLAGS"
  52   ac_save_LDFLAGS="$LDFLAGS"
  53   ac_save_LIBS="$LIBS"
  54
  55   if test -n "$with_krb5"; then
  56      if test -x "$with_krb5/bin/krb5-config"; then
  57         krb5_config_command="$with_krb5/bin/krb5-config"
  58      else
  59         krb5_config_command=""
  60      fi
  61   fi
  62
  63   dnl
  64   dnl find header files
  65   dnl
  66
  67   if test -z "$KRB5_CPPFLAGS"; then
  68      TMP_KRB5_CPPFLAGS=""
  69      if test -n "$krb5_config_command"; then
  70         TMP_KRB5_CPPFLAGS=`$krb5_config_command --cflags gssapi 2>/dev/null`
  71      fi
  72      if test -z "$TMP_KRB5_CPPFLAGS"; then
  73         TMP_KRB5_CPPFLAGS="-I$with_krb5/include"
  74      fi
  75      CPPFLAGS="$CPPFLAGS $TMP_KRB5_CPPFLAGS"
  76      AC_CHECK_HEADERS(gssapi.h,
  77                       [ KRB5_CPPFLAGS="$TMP_KRB5_CPPFLAGS" ])
  78      if test -z "$KRB5_CPPFLAGS"; then
  79         AC_CHECK_HEADERS(gssapi/gssapi.h,
  80                          [ KRB5_CPPFLAGS="$TMP_KRB5_CPPFLAGS" ])
  81      fi
  82      CPPFLAGS="$ac_save_CPPFLAGS"
  83   fi
  84
  85   dnl
  86   dnl find libraries
  87   dnl
  88
  89   if test -z "$KRB5_LDFLAGS" -a -n "$krb5_config_command"; then
  90      TMP_KRB5_LDFLAGS=`$krb5_config_command --libs gssapi 2>/dev/null`
  91      if test -n "$TMP_KRB5_LDFLAGS"; then
  92         LIBS="$LIBS $TMP_KRB5_LDFLAGS $LIB_resolv"
  93         AC_CHECK_LIB(krb5, krb5_init_context,
  94                      [ KRB5_LDFLAGS="$TMP_KRB5_LDFLAGS" ])
  95         LIBS="$ac_save_LIBS"
  96      fi
  97   fi
  98
  99   if test -z "$KRB5_LDFLAGS"; then
 100      #try MIT
 101      TMP_KRB5_LDFLAGS="-L$with_krb5/lib -lgssapi_krb5 -lkrb5 -lk5crypto -lcom_err"
 102      LIBS="$LIBS $TMP_KRB5_LDFLAGS $LIB_resolv"
 103      AC_CHECK_LIB(krb5, krb5_init_context, [ KRB5_LDFLAGS="$TMP_KRB5_LDFLAGS" ])
 104      LIBS="$ac_save_LIBS"
 105   fi
 106
 107   if test -z "$KRB5_LDFLAGS"; then
 108      #Try Heimdal
 109      TMP_KRB5_LDFLAGS="-L$with_krb5/lib -lgssapi -lkrb5 -lasn1 -lcrypto -lroken -lcrypt"
 110      LIBS="$LIBS $TMP_KRB5_LDFLAGS $LIB_resolv"
 111      AC_CHECK_LIB(krb5, krb5_init_context, [ KRB5_LDFLAGS="$TMP_KRB5_LDFLAGS" ])
 112      LIBS="$ac_save_LIBS"
 113   fi
 114
 115   if test -z "$KRB5_LDFLAGS"; then
 116      #Try Heimdal on OpenBSD
 117      TMP_KRB5_LDFLAGS="-L$with_krb5/lib -lgssapi -lkrb5 -lasn1 -ldes -lcrypto"
 118      LIBS="$LIBS $TMP_KRB5_LDFLAGS $LIB_resolv"
 119      AC_CHECK_LIB(krb5, krb5_init_context, [ KRB5_LDFLAGS="$TMP_KRB5_LDFLAGS" ])
 120      LIBS="$ac_save_LIBS"
 121   fi
 122
 123   if test -z "$KRB5_LDFLAGS"; then
 124      with_krb5=no
 125   else
 126      with_krb5=yes
 127      AC_DEFINE(KRB5)
 128      AC_CHECK_LIB(krb5,
 129                   krb5_cc_new_unique,
 130                   [ AC_DEFINE(HAVE_KRB5_CC_NEW_UNIQUE) ])
 131
 132      # check for Heimdal
 133      have_heimdal=""
 134      AC_MSG_CHECKING(whether we are using Heimdal)
 135      ac_save_CFLAGS="$CFLAGS"
 136      CFLAGS="$KRB5_CPPFLAGS"
 137      AC_TRY_COMPILE([#include <krb5.h>],
 138                     [ char *tmp = heimdal_version; ],
 139                     [ AC_MSG_RESULT(yes)
 140                       AC_DEFINE(HEIMDAL)
 141                       have_heimdal=yes ],
 142                     [ AC_MSG_RESULT(no) ])
 143      CFLAGS="$ac_save_CFLAGS"
 144
 145 # If SPNEGO is supported by the gssapi libraries, we shouln't build our support.
 146 # SPNEGO is supported as of Heimdal 0.7, and MIT 1.5.
 147      gssapi_supports_spnego=""
 148      AC_MSG_CHECKING(whether the GSSAPI libraries support SPNEGO)
 149
 150      ac_save_CFLAGS="$CFLAGS"
 151      CFLAGS="$KRB5_CPPFLAGS"
 152      ac_save_LDFLAGS="$LDFLAGS"
 153      LDFLAGS=$KRB5_LDFLAGS
 154
 155      AC_TRY_RUN([
 156 #include <string.h>
 157 #include <krb5.h>
 158 #ifdef HEIMDAL
 159 #include <gssapi.h>
 160 #else
 161 #include <gssapi/gssapi.h>
 162 #endif
 163 int main(int argc, char** argv)
 164 {
 165        OM_uint32 major_status, minor_status;
 166        gss_OID_set mech_set;
 167        gss_OID_desc spnego_oid_desc = {6, (void *)"\x2b\x06\x01\x05\x05\x02"};
 168        int SPNEGO = 0;
 169
 170        major_status = gss_indicate_mechs(&minor_status, &mech_set);
 171        if (GSS_ERROR(major_status))
 172                return 1;
 173        else {
 174                unsigned int i;
 175                for (i=0; i < mech_set->count && !SPNEGO; i++) {
 176                        gss_OID tmp_oid = &mech_set->elements[i];
 177                       if (tmp_oid->length == spnego_oid_desc.length &&
 178                            !memcmp(tmp_oid->elements, spnego_oid_desc.elements,
 179                                    tmp_oid->length)) {
 180                                SPNEGO = 1;
 181                                break;
 182                        }
 183                }
 184                gss_release_oid_set(&minor_status, &mech_set);
 185                return (!SPNEGO);
 186        }
 187 }],
 188                 [ if test $? -eq 0; then
 189                      AC_MSG_RESULT(yes)
 190                      AC_DEFINE(GSSAPI_SUPPORTS_SPNEGO)
 191                      gssapi_supports_spnego=yes
 192                   else
 193                      AC_MSG_RESULT(no)
 194                   fi],
 195                 [AC_MSG_RESULT(no)])
 196
 197      CFLAGS="$ac_save_CFLAGS"
 198      LDFLAGS="$ac_save_LDFLAGS"
 199
 200      if test -z "$gssapi_supports_spnego"; then
 201         if test -n "$have_heimdal"; then SPNEGO_SRCS="\
 202                 spnegokrb5/asn1_MechType.c         \
 203                 spnegokrb5/asn1_MechTypeList.c     \
 204                 spnegokrb5/asn1_ContextFlags.c     \
 205                 spnegokrb5/asn1_NegTokenInit.c     \
 206                 spnegokrb5/asn1_NegTokenTarg.c     \
 207                 spnegokrb5/init_sec_context.c      \
 208                 spnegokrb5/accept_sec_context.c    \
 209                 spnegokrb5/encapsulate.c           \
 210                 spnegokrb5/decapsulate.c           \
 211                 spnegokrb5/external.c"
 212         else SPNEGO_SRCS="\
 213                 spnegokrb5/asn1_MechType.c         \
 214                 spnegokrb5/asn1_MechTypeList.c     \
 215                 spnegokrb5/asn1_ContextFlags.c     \
 216                 spnegokrb5/asn1_NegTokenInit.c     \
 217                 spnegokrb5/asn1_NegTokenTarg.c     \
 218                 spnegokrb5/der_get.c               \
 219                 spnegokrb5/der_put.c               \
 220                 spnegokrb5/der_free.c              \
 221                 spnegokrb5/der_length.c            \
 222                 spnegokrb5/der_copy.c              \
 223                 spnegokrb5/timegm.c                \
 224                 spnegokrb5/init_sec_context.c      \
 225                 spnegokrb5/accept_sec_context.c    \
 226                 spnegokrb5/encapsulate.c           \
 227                 spnegokrb5/decapsulate.c           \
 228                 spnegokrb5/external.c"
 229         fi
 230      fi
 231   fi
 232 fi
 233 AC_SUBST(KRB5_CPPFLAGS)
 234 AC_SUBST(KRB5_LDFLAGS)
 235 AC_SUBST(SPNEGO_SRCS)
 236
 237 #
 238 # Kerberos4 enviroment
 239 #
 240
 241 AC_ARG_WITH(krb4,
 242   AC_HELP_STRING([--with-krb4=dir], [use krb4 in dir]),
 243   [ with_krb4="$withval" ])
 244
 245 if test "x$with_krb4" != "xno"; then
 246   AC_MSG_CHECKING([for Kerberos4 installation])
 247   if test "x$with_krb4" != "x"; then
 248      if test -x "$with_krb4/bin/krb4-config"; then
 249         KRB4_CPPFLAGS=`$with_krb4/bin/krb4-config --cflags krb4 2>/dev/null`
 250         KRB4_LDFLAGS=`$with_krb4/bin/krb4-config --libs krb4 2>/dev/null`
 251      elif test -x "$with_krb4/bin/krb5-config"; then
 252         KRB4_CPPFLAGS=`$with_krb4/bin/krb5-config --cflags krb4 2>/dev/null`
 253         KRB4_LDFLAGS=`$with_krb4/bin/krb5-config --libs krb4 2>/dev/null`
 254      else
 255         AC_MSG_ERROR([failed to find krb4-config or krb5-config in $with_krb4/bin])
 256      fi
 257   else
 258      KRB4_CPPFLAGS=`krb4-config --cflags krb4 2>/dev/null`
 259      KRB4_LDFLAGS=`krb4-config --libs krb4 2>/dev/null`
 260      if test "x$KRB4_LDFLAGS" = "x" -a -n "$krb5_config_command"; then
 261         KRB4_CPPFLAGS=`$krb5_config_command --cflags krb4 2>/dev/null`
 262         KRB4_LDFLAGS=`$krb5_config_command --libs krb4 2>/dev/null`
 263         if test $? -ne 0; then
 264            KRB4_CPPFLAGS=""
 265            KRB4_LDFLAGS=""
 266         fi
 267      fi
 268   fi
 269   if test "x$KRB4_LDFLAGS" = "x"; then
 270      with_krb4=no
 271      AC_MSG_RESULT(no)
 272   else
 273      AC_MSG_RESULT(yes)
 274
 275      ac_save_CFLAGS=$CFLAGS
 276      ac_save_CPPFLAGS=$CPPFLAGS
 277      ac_save_LDFLAGS=$LDFLAGS
 278      ac_save_LIBS=$LIBS
 279      CFLAGS="$CFLAGS $KRB4_CPPFLAGS"
 280      CPPFLAGS="$CFLAGS $KRB4_CPPFLAGS"
 281      LDFLAGS="$LDFLAGS $KRB4_LDFLAGS"
 282      LIBS="$LIBS $LDFLAGS $LIB_resolv"
 283
 284 #    if not found krb.h suppose it's in the kerberosIV subdirectory
 285      AC_CHECK_HEADER(krb.h, , with_krb4=no)
 286      if test "x$with_krb4" = "xno"; then
 287          KRB4_CPPFLAGS="$KRB4_CPPFLAGS ${KRB4_CPPFLAGS}/kerberosIV"
 288 #        second run of AC_CHECK_HEADER for the same library returns the cached
 289 #        result created by previous run :-(
 290          AC_CHECK_HEADER(kerberosIV/krb.h, with_krb4=yes,
 291                          [  with_krb4=no
 292                             KRB4_CPPFLAGS=""
 293                             KRB4_LDFLAGS=""])
 294      fi
 295
 296      if test "x$with_krb4" != "xno"; then
 297         AC_CHECK_LIB(krb4, krb_get_pw_in_tkt, [], [with_krb4=no])
 298         if test "x$with_krb4" = "xno"; then
 299            AC_CHECK_LIB(krb, krb_get_pw_in_tkt, [with_krb4=yes],
 300                         [with_krb4=no
 301                          KRB4_CPPFLAGS=""
 302                          KRB4_LDFLAGS=""])
 303         fi
 304      fi
 305
 306      CFLAGS=$ac_save_CFLAGS
 307      CPPFLAGS=$ac_save_CPPFLAGS
 308      LDFLAGS=$ac_save_LDFLAGS
 309      LIBS=$ac_save_LIBS
 310
 311      AC_DEFINE(KRB4)
 312   fi
 313 fi
 314 AC_SUBST(KRB4_CPPFLAGS)
 315 AC_SUBST(KRB4_LDFLAGS)
 316
 317
 318 if test "x$with_krb5" = "xno" -a "x$with_krb4" = "xno"; then
 319   AC_MSG_ERROR([No Kerberos enviroment found])
 320 fi
 321
 322 #
 323 # Apache enviroment
 324 #
 325 AC_ARG_WITH(apache,
 326   AC_HELP_STRING([--with-apache=dir],[use apache in dir]),
 327   [ with_apache="$withval" ])
 328
 329 AC_PATH_PROG([APXS], [apxs], [], [$with_apache/bin:$with_apache/sbin:$PATH])
 330 if test -z "$APXS"; then
 331    AC_PATH_PROG([APXS], [apxs2], [], [$with_apache/bin:$with_apache/sbin:$PATH])
 332    if test -z "$APXS"; then
 333       AC_MSG_ERROR([failed to find apache apxs executable])
 334    fi
 335 fi
 336 AC_SUBST(APXS)
 337
 338 AC_CONFIG_FILES([Makefile])
 339
 340 AC_OUTPUT