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