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$with_krb5" != "xno" ; then
  47   ac_save_CPPFLAGS="$CPPFLAGS"
  48   ac_save_LDFLAGS="$LDFLAGS"
  49   ac_save_LIBS="$LIBS"
  50
  51   if test -n "$with_krb5"; then
  52      if test -x "$with_krb5/bin/krb5-config"; then
  53         krb5_config_command="$with_krb5/bin/krb5-config"
  54      else
  55         krb5_config_command=""
  56      fi
  57   fi
  58
  59   dnl
  60   dnl find header files
  61   dnl
  62
  63   if test -z "$KRB5_CPPFLAGS"; then
  64      TMP_KRB5_CPPFLAGS=""
  65      if test -n "$krb5_config_command"; then
  66         TMP_KRB5_CPPFLAGS=`$krb5_config_command --cflags gssapi 2>/dev/null`
  67      fi
  68      if test -z "$TMP_KRB5_CPPFLAGS" -a -n "with_krb5"; then
  69         TMP_KRB5_CPPFLAGS="-I$with_krb5/include"
  70      fi
  71      CPPFLAGS="$CPPFLAGS $TMP_KRB5_CPPFLAGS"
  72      AC_CHECK_HEADERS(gssapi.h,
  73                       [ KRB5_CPPFLAGS="$TMP_KRB5_CPPFLAGS" ])
  74      if test -z "$KRB5_CPPFLAGS"; then
  75         AC_CHECK_HEADERS(gssapi/gssapi.h,
  76                          [ KRB5_CPPFLAGS="$TMP_KRB5_CPPFLAGS" ])
  77      fi
  78      CPPFLAGS="$ac_save_CPPFLAGS"
  79   fi
  80
  81   dnl
  82   dnl find libraries
  83   dnl
  84
  85   if test -z "$KRB5_LDFLAGS" -a -n "$krb5_config_command"; then
  86      TMP_KRB5_LDFLAGS=`$krb5_config_command --libs gssapi 2>/dev/null`
  87      if test -n "$TMP_KRB5_LDFLAGS"; then
  88         LIBS="$LIBS $TMP_KRB5_LDFLAGS $LIB_resolv"
  89         AC_CHECK_LIB(krb5, krb5_init_context,
  90                      [ KRB5_LDFLAGS="$TMP_KRB5_LDFLAGS" ])
  91         LIBS="$ac_save_LIBS"
  92      fi
  93   fi
  94   if test "x$with_krb5"="x"; then
  95         tmp_lf_inc=""
  96      else
  97         tmp_lf_inc="-L"
  98   fi
  99   if test -z "$KRB5_LDFLAGS"; then
 100      #try MIT
 101      TMP_KRB5_LDFLAGS="$tmp_lf_inc$with_krb5/lib -lgssapi_krb5 -lkrb5 -lk5crypto -lcom_err"
 102      LIBS="$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="$tmp_lf_inc$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="$tmp_lf_inc$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      AC_DEFINE(KRB5)
 127      AC_CHECK_LIB(krb5,
 128                   krb5_cc_new_unique,
 129                   [ AC_DEFINE(HAVE_KRB5_CC_NEW_UNIQUE) ])
 130
 131      # check for Heimdal
 132      have_heimdal=""
 133      AC_MSG_CHECKING(whether we are using Heimdal)
 134      ac_save_CFLAGS="$CFLAGS"
 135      CFLAGS="$KRB5_CPPFLAGS"
 136      AC_TRY_COMPILE([#include <krb5.h>],
 137                     [ char *tmp = heimdal_version; ],
 138                     [ AC_MSG_RESULT(yes)
 139                       AC_DEFINE(HEIMDAL)
 140                       have_heimdal=yes ],
 141                     [ AC_MSG_RESULT(no) ])
 142      CFLAGS="$ac_save_CFLAGS"
 143
 144 # If SPNEGO is supported by the gssapi libraries, we shouln't build our support.
 145 # SPNEGO is supported as of Heimdal 0.7, and MIT 1.5.
 146      gssapi_supports_spnego=""
 147      AC_MSG_CHECKING(whether the GSSAPI libraries support SPNEGO)
 148
 149      ac_save_CFLAGS="$CFLAGS"
 150      CFLAGS="$KRB5_CPPFLAGS"
 151      ac_save_LDFLAGS="$LDFLAGS"
 152      if test -n "$with_krb5"; then
 153         LDFLAGS="$KRB5_LDFLAGS -Wl,-rpath -Wl,$with_krb5/lib"
 154      else
 155         LDFLAGS="$KRB5_LDFLAGS"
 156      fi
 157      AC_TRY_RUN([
 158 #include <string.h>
 159 #include <krb5.h>
 160 #ifdef HEIMDAL
 161 #include <gssapi.h>
 162 #else
 163 #include <gssapi/gssapi.h>
 164 #endif
 165 int main(int argc, char** argv)
 166 {
 167        OM_uint32 major_status, minor_status;
 168        gss_OID_set mech_set;
 169        gss_OID_desc spnego_oid_desc = {6, (void *)"\x2b\x06\x01\x05\x05\x02"};
 170        int SPNEGO = 0;
 171
 172        major_status = gss_indicate_mechs(&minor_status, &mech_set);
 173        if (GSS_ERROR(major_status))
 174                return 1;
 175        else {
 176                unsigned int i;
 177                for (i=0; i < mech_set->count && !SPNEGO; i++) {
 178                        gss_OID tmp_oid = &mech_set->elements[i];
 179                       if (tmp_oid->length == spnego_oid_desc.length &&
 180                            !memcmp(tmp_oid->elements, spnego_oid_desc.elements,
 181                                    tmp_oid->length)) {
 182                                SPNEGO = 1;
 183                                break;
 184                        }
 185                }
 186                gss_release_oid_set(&minor_status, &mech_set);
 187                return (!SPNEGO);
 188        }
 189 }],
 190                 [ if test $? -eq 0; then
 191                      AC_MSG_RESULT(yes)
 192                      AC_DEFINE(GSSAPI_SUPPORTS_SPNEGO)
 193                      gssapi_supports_spnego=yes
 194                   else
 195                      AC_MSG_RESULT(no)
 196                   fi],
 197                 [AC_MSG_RESULT(no)])
 198
 199      CFLAGS="$ac_save_CFLAGS"
 200      LDFLAGS="$ac_save_LDFLAGS"
 201
 202      if test -z "$gssapi_supports_spnego"; then
 203         if test -n "$have_heimdal"; then SPNEGO_SRCS="\
 204                 spnegokrb5/asn1_MechType.c         \
 205                 spnegokrb5/asn1_MechTypeList.c     \
 206                 spnegokrb5/asn1_ContextFlags.c     \
 207                 spnegokrb5/asn1_NegTokenInit.c     \
 208                 spnegokrb5/asn1_NegTokenTarg.c     \
 209                 spnegokrb5/init_sec_context.c      \
 210                 spnegokrb5/accept_sec_context.c    \
 211                 spnegokrb5/encapsulate.c           \
 212                 spnegokrb5/decapsulate.c           \
 213                 spnegokrb5/external.c"
 214         else SPNEGO_SRCS="\
 215                 spnegokrb5/asn1_MechType.c         \
 216                 spnegokrb5/asn1_MechTypeList.c     \
 217                 spnegokrb5/asn1_ContextFlags.c     \
 218                 spnegokrb5/asn1_NegTokenInit.c     \
 219                 spnegokrb5/asn1_NegTokenTarg.c     \
 220                 spnegokrb5/der_get.c               \
 221                 spnegokrb5/der_put.c               \
 222                 spnegokrb5/der_free.c              \
 223                 spnegokrb5/der_length.c            \
 224                 spnegokrb5/der_copy.c              \
 225                 spnegokrb5/timegm.c                \
 226                 spnegokrb5/init_sec_context.c      \
 227                 spnegokrb5/accept_sec_context.c    \
 228                 spnegokrb5/encapsulate.c           \
 229                 spnegokrb5/decapsulate.c           \
 230                 spnegokrb5/external.c"
 231         fi
 232      fi
 233   fi
 234 fi
 235 AC_SUBST(KRB5_CPPFLAGS)
 236 AC_SUBST(KRB5_LDFLAGS)
 237 AC_SUBST(SPNEGO_SRCS)
 238
 239 #
 240 # Kerberos4 enviroment
 241 #
 242
 243 AC_ARG_WITH(krb4,
 244   AC_HELP_STRING([--with-krb4=dir], [use krb4 in dir]),
 245   [ with_krb4="$withval" ])
 246
 247 if test "x$with_krb4" = "xyes" ; then
 248   with_krb4=""
 249 fi
 250
 251 if test "x$with_krb4" != "xno"; then
 252   AC_MSG_CHECKING([for Kerberos4 installation])
 253   if test "x$with_krb4" != "x"; then
 254      if test -x "$with_krb4/bin/krb4-config"; then
 255         KRB4_CPPFLAGS=`$with_krb4/bin/krb4-config --cflags krb4 2>/dev/null`
 256         KRB4_LDFLAGS=`$with_krb4/bin/krb4-config --libs krb4 2>/dev/null`
 257      elif test -x "$with_krb4/bin/krb5-config"; then
 258         KRB4_CPPFLAGS=`$with_krb4/bin/krb5-config --cflags krb4 2>/dev/null`
 259         KRB4_LDFLAGS=`$with_krb4/bin/krb5-config --libs krb4 2>/dev/null`
 260      else
 261         AC_MSG_ERROR([failed to find krb4-config or krb5-config in $with_krb4/bin])
 262      fi
 263   else
 264      KRB4_CPPFLAGS=`krb4-config --cflags krb4 2>/dev/null`
 265      KRB4_LDFLAGS=`krb4-config --libs krb4 2>/dev/null`
 266      if test "x$KRB4_LDFLAGS" = "x" -a -n "$krb5_config_command"; then
 267         KRB4_CPPFLAGS=`$krb5_config_command --cflags krb4 2>/dev/null`
 268         KRB4_LDFLAGS=`$krb5_config_command --libs krb4 2>/dev/null`
 269         if test $? -ne 0; then
 270            KRB4_CPPFLAGS=""
 271            KRB4_LDFLAGS=""
 272         fi
 273      fi
 274   fi
 275   if test "x$KRB4_LDFLAGS" = "x"; then
 276      with_krb4=no
 277      AC_MSG_RESULT(no)
 278   else
 279      AC_MSG_RESULT(yes)
 280
 281      ac_save_CFLAGS=$CFLAGS
 282      ac_save_CPPFLAGS=$CPPFLAGS
 283      ac_save_LDFLAGS=$LDFLAGS
 284      ac_save_LIBS=$LIBS
 285      CFLAGS="$CFLAGS $KRB4_CPPFLAGS"
 286      CPPFLAGS="$CFLAGS $KRB4_CPPFLAGS"
 287      LDFLAGS="$LDFLAGS $KRB4_LDFLAGS"
 288      LIBS="$LIBS $LDFLAGS $LIB_resolv"
 289
 290 #    if not found krb.h suppose it's in the kerberosIV subdirectory
 291      AC_CHECK_HEADER(krb.h, , with_krb4=no)
 292      if test "x$with_krb4" = "xno"; then
 293          KRB4_CPPFLAGS="$KRB4_CPPFLAGS ${KRB4_CPPFLAGS}/kerberosIV"
 294 #        second run of AC_CHECK_HEADER for the same library returns the cached
 295 #        result created by previous run :-(
 296          AC_CHECK_HEADER(kerberosIV/krb.h, with_krb4=yes,
 297                          [  with_krb4=no
 298                             KRB4_CPPFLAGS=""
 299                             KRB4_LDFLAGS=""])
 300      fi
 301
 302      if test "x$with_krb4" != "xno"; then
 303         AC_CHECK_LIB(krb4, krb_get_pw_in_tkt, [], [with_krb4=no])
 304         if test "x$with_krb4" = "xno"; then
 305            AC_CHECK_LIB(krb, krb_get_pw_in_tkt, [with_krb4=yes],
 306                         [with_krb4=no
 307                          KRB4_CPPFLAGS=""
 308                          KRB4_LDFLAGS=""])
 309         fi
 310      fi
 311
 312      CFLAGS=$ac_save_CFLAGS
 313      CPPFLAGS=$ac_save_CPPFLAGS
 314      LDFLAGS=$ac_save_LDFLAGS
 315      LIBS=$ac_save_LIBS
 316
 317      AC_DEFINE(KRB4)
 318   fi
 319 fi
 320 AC_SUBST(KRB4_CPPFLAGS)
 321 AC_SUBST(KRB4_LDFLAGS)
 322
 323
 324 if test "x$with_krb5" = "xno" -a "x$with_krb4" = "xno"; then
 325   AC_MSG_ERROR([No Kerberos enviroment found])
 326 fi
 327
 328 #
 329 # Apache enviroment
 330 #
 331 AC_ARG_WITH(apache,
 332   AC_HELP_STRING([--with-apache=dir],[use apache in dir]),
 333   [ with_apache="$withval" ])
 334
 335 AC_PATH_PROG([APXS], [apxs], [], [$with_apache/bin:$with_apache/sbin:$PATH])
 336 if test -z "$APXS"; then
 337    AC_PATH_PROG([APXS], [apxs2], [], [$with_apache/bin:$with_apache/sbin:$PATH])
 338    if test -z "$APXS"; then
 339       AC_MSG_ERROR([failed to find apache apxs executable])
 340    fi
 341 fi
 342 AC_SUBST(APXS)
 343
 344 AC_CONFIG_FILES([Makefile])
 345
 346 AC_OUTPUT