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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-21 14:53:22 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-21 14:53:22 +0000
commit52c021ee0b0c6ad2128ed550c694aad0d11d4c3f (patch)
tree83cf8627b94336cf4bee7479b9749263bbfd3a06 /m4macros/ax_gssapi.m4
parentInitial commit. (diff)
downloadisc-kea-upstream.tar.xz
isc-kea-upstream.zip
Adding upstream version 2.5.7.upstream/2.5.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--m4macros/ax_gssapi.m493
1 files changed, 93 insertions, 0 deletions
diff --git a/m4macros/ax_gssapi.m4 b/m4macros/ax_gssapi.m4
new file mode 100644
index 0000000..539343e
--- /dev/null
+++ b/m4macros/ax_gssapi.m4
@@ -0,0 +1,93 @@
+AC_DEFUN([AX_GSS_API], [
+
+gssapi_path=""
+
+AC_ARG_WITH([gssapi],
+ [AS_HELP_STRING([--with-gssapi[[=PATH]]],
+ [optionally specify the path to a krb5-config file])],
+ [gssapi_path="$withval"; enable_gssapi="yes"])
+
+#
+# Check availability of gssapi, which will be used for unit tests.
+#
+ENABLE_GSSAPI=no
+GSSAPI_CFLAGS=
+GSSAPI_LIBS=
+DISTCHECK_GSSAPI_CONFIGURE_FLAG="--with-gssapi=$gssapi_path"
+
+AC_MSG_CHECKING([for gssapi support])
+if test "x$gssapi_path" = "x" ; then
+ AC_MSG_RESULT([no])
+else
+ AC_MSG_RESULT([yes])
+ if test "$gssapi_path" = "yes"; then
+ AC_PATH_PROG([KRB5_CONFIG], [krb5-config])
+ else
+ KRB5_CONFIG="$gssapi_path"
+ fi
+ if test -x "${KRB5_CONFIG}" ; then
+ GSSAPI_CFLAGS=`${KRB5_CONFIG} --cflags gssapi`
+ GSSAPI_LIBS=`${KRB5_CONFIG} --libs gssapi`
+ else
+ AC_MSG_ERROR([Unable to locate krb5-config.])
+ fi
+ CXXFLAGS_SAVED="$CXXFLAGS"
+ CXXFLAGS="$CXXFLAGS $GSSAPI_CFLAGS"
+
+ # In general it is not required but some warnings about compiling to
+ # work but not the preprocessor were reported...
+ CPPFLAGS_SAVED="$CPPFLAGS"
+ CPPFLAGS="$CPPFLAGS $GSSAPI_CFLAGS"
+
+ # Checks
+ AC_CHECK_HEADERS([gssapi/gssapi.h gssapi/gssapi_krb5.h],,
+ AC_MSG_ERROR([Missing required gss-api header files]))
+
+ AC_CHECK_HEADERS([krb5/krb5.h],,
+ [AC_CHECK_HEADERS([krb5.h],,
+ AC_MSG_ERROR([Missing required krb5 header files]))])
+
+ # Verify that GSS-API with Kerberos 5 is usable.
+ LIBS_SAVED="$LIBS"
+ LIBS="$LIBS $GSSAPI_LIBS"
+ if test $enable_static_link = yes; then
+ LIBS="-static $LIBS"
+ fi
+ AC_MSG_CHECKING([checking for GSS-API with Kerberos 5 libraries])
+ AC_LINK_IFELSE(
+ [AC_LANG_PROGRAM(
+ [[#include <gssapi/gssapi_krb5.h>]],
+ [[gss_ctx_id_t ctx;
+ OM_uint32 minor;
+ OM_uint32 major;
+ major = gss_delete_sec_context(&minor, &ctx, GSS_C_NO_BUFFER);]])],
+ [AC_MSG_RESULT([yes])],
+ [AC_MSG_RESULT([no])
+ AC_MSG_ERROR([failed to link with GSS-API with Kerberos 5 libraries])])
+ AC_MSG_CHECKING([checking for gss_str_to_oid availability])
+ AC_COMPILE_IFELSE(
+ [AC_LANG_PROGRAM(
+ [[#include <gssapi/gssapi.h>]],
+ [[return (gss_str_to_oid(0, 0, 0));]])],
+ [AC_MSG_RESULT([yes])
+ AC_DEFINE([HAVE_GSS_STR_TO_OID], [1], [gss_str_to_oid is available])],
+ [AC_MSG_RESULT([no])])
+ CXXFLAGS="$CXXFLAGS_SAVED"
+ CPPFLAGS="$CPPFLAGS_SAVED"
+ LIBS="$LIBS_SAVED"
+ AC_MSG_CHECKING([checking for MIT implementation vs Heimdal])
+ if `${KRB5_CONFIG} --all | grep Vendor | grep -q Heimdal`; then
+ AC_MSG_RESULT([Heimdal])
+ AC_DEFINE([WITH_HEIMDAL], [1], [Heimdal GSS-API implementation])
+ else
+ AC_MSG_RESULT([MIT])
+ fi
+ ENABLE_GSSAPI=yes
+fi
+
+AC_SUBST(GSSAPI_CFLAGS)
+AC_SUBST(GSSAPI_LIBS)
+AC_SUBST(DISTCHECK_GSSAPI_CONFIGURE_FLAG)
+AM_CONDITIONAL([HAVE_GSSAPI], [test $ENABLE_GSSAPI = "yes"])
+
+])dnl AX_GSS_API