1 files changed, 133 insertions, 0 deletions
diff --git a/src/external/krb5.m4 b/src/external/krb5.m4
new file mode 100644
index 0000000..1dfdbe9
--- /dev/null
+++ b/src/external/krb5.m4
@@ -0,0 +1,133 @@
+AC_SUBST(KRB5_CFLAGS)
+AC_SUBST(KRB5_LIBS)
+
+if test x$KRB5_LIBS != x; then
+    KRB5_PASSED_LIBS=$KRB5_LIBS
+fi
+
+if test x$KRB5_CFLAGS != x; then
+    KRB5_PASSED_CFLAGS=$KRB5_CFLAGS
+fi
+
+AC_PATH_TOOL(KRB5_CONFIG, krb5-config)
+AC_MSG_CHECKING(for working krb5-config)
+if test -x "$KRB5_CONFIG"; then
+  KRB5_CFLAGS="`$KRB5_CONFIG --cflags`"
+  KRB5_LIBS="`$KRB5_CONFIG --libs`"
+  AC_MSG_RESULT(yes)
+else
+    AC_MSG_RESULT([no])
+    if test x$KRB5_PASSED_LIBS = x; then
+        AC_MSG_ERROR([Please install MIT kerberos devel package])
+    fi
+fi
+
+if test x$KRB5_PASSED_LIBS != x; then
+    KRB5_LIBS=$KRB5_PASSED_LIBS
+fi
+
+if test x$KRB5_PASSED_CFLAGS != x; then
+    KRB5_CFLAGS=$KRB5_PASSED_CFLAGS
+fi
+
+AC_ARG_VAR([KRB5_CFLAGS], [C compiler flags for kerberos, overriding krb5-config])dnl
+AC_ARG_VAR([KRB5_LIBS], [linker flags for kerberos, overriding krb5-config])dnl
+
+SAVE_CFLAGS=$CFLAGS
+SAVE_LIBS=$LIBS
+CFLAGS="$CFLAGS $KRB5_CFLAGS"
+LIBS="$LIBS $KRB5_LIBS"
+AC_CHECK_HEADERS([krb5.h krb5/krb5.h])
+AC_CHECK_TYPES([krb5_ticket_times, krb5_times, krb5_trace_info], [], [],
+               [ #ifdef HAVE_KRB5_KRB5_H
+                 #include <krb5/krb5.h>
+                 #else
+                 #include <krb5.h>
+                 #endif
+               ])
+AC_CHECK_FUNCS([krb5_get_init_creds_opt_alloc krb5_get_error_message \
+                krb5_free_unparsed_name \
+                krb5_get_init_creds_opt_set_expire_callback \
+                krb5_get_init_creds_opt_set_fast_ccache_name \
+                krb5_get_init_creds_opt_set_fast_flags \
+                krb5_get_init_creds_opt_set_canonicalize \
+                krb5_get_init_creds_opt_set_responder \
+                krb5_parse_name_flags \
+                krb5_unparse_name_flags \
+                krb5_get_init_creds_opt_set_change_password_prompt \
+                krb5_free_keytab_entry_contents \
+                krb5_kt_free_entry \
+                krb5_princ_realm \
+                krb5_get_time_offsets \
+                krb5_principal_get_realm \
+                krb5_cc_cache_match \
+                krb5_timestamp_to_sfstring \
+                krb5_set_trace_callback \
+                krb5_find_authdata \
+                krb5_kt_have_content \
+                krb5_cc_get_full_name \
+                krb5_unmarshal_credentials])
+CFLAGS=$SAVE_CFLAGS
+LIBS=$SAVE_LIBS
+CFLAGS="$CFLAGS $KRB5_CFLAGS"
+LIBS="$LIBS $KRB5_LIBS"
+
+if test x$ac_cv_header_krb5_h != xyes -a x$ac_cv_header_krb5_krb5_h != xyes
+then
+  AC_MSG_ERROR(you must have Kerberos 5 header files to build sssd)
+fi
+
+AC_ARG_ENABLE([krb5-locator-plugin],
+              [AS_HELP_STRING([--disable-krb5-locator-plugin],
+                              [do not build Kerberos locator plugin])],
+              [build_locator=$enableval],
+              [build_locator=yes])
+
+AC_CHECK_HEADER([krb5/locate_plugin.h],
+                [have_locate_plugin=yes],
+                [have_locate_plugin=no]
+                [AC_MSG_NOTICE([Kerberos locator plugin cannot be built])],
+                [ #ifdef HAVE_KRB5_KRB5_H
+                  #include <krb5/krb5.h>
+                  #else
+                  #include <krb5.h>
+                  #endif
+                ])
+AM_CONDITIONAL([BUILD_KRB5_LOCATOR_PLUGIN],
+               [test x$have_locate_plugin = xyes -a x$build_locator = xyes])
+AM_COND_IF([BUILD_KRB5_LOCATOR_PLUGIN],
+           [AC_DEFINE_UNQUOTED(HAVE_KRB5_LOCATOR_PLUGIN, 1, [Build with krb5 locator plugin])])
+
+AC_CHECK_HEADER([krb5/localauth_plugin.h],
+                [have_localauth_plugin=yes],
+                [have_localauth_plugin=no]
+                [AC_MSG_NOTICE([Kerberos localauth plugin cannot be built])],
+                [ #ifdef HAVE_KRB5_KRB5_H
+                  #include <krb5/krb5.h>
+                  #else
+                  #include <krb5.h>
+                  #endif
+                ])
+AM_CONDITIONAL([BUILD_KRB5_LOCALAUTH_PLUGIN],
+               [test x$have_localauth_plugin = xyes])
+AM_COND_IF([BUILD_KRB5_LOCALAUTH_PLUGIN],
+           [AC_DEFINE_UNQUOTED(HAVE_KRB5_LOCALAUTH_PLUGIN, 1, [Build with krb5 localauth plugin])])
+
+AC_ARG_ENABLE([kcm-renewal],
+              [AS_HELP_STRING([--disable-kcm-renewal],
+                              [do not build support for kcm renewals])],
+              [build_kcm_renewal=$enableval],
+              [build_kcm_renewal=yes])
+
+if test x$build_kcm_renewal = xyes -a x$ac_cv_func_krb5_unmarshal_credentials != xyes
+then
+  AC_MSG_WARN([krb5 unmarshalling function not available, fallback to building without KCM renewals])
+fi
+
+AM_CONDITIONAL([BUILD_KCM_RENEWAL],
+               [test x$build_kcm_renewal = xyes -a x$ac_cv_func_krb5_unmarshal_credentials = xyes])
+AM_COND_IF([BUILD_KCM_RENEWAL],
+           [AC_DEFINE_UNQUOTED(HAVE_KCM_RENEWAL, 1, [Build with kcm renewals])])
+
+CFLAGS=$SAVE_CFLAGS
+LIBS=$SAVE_LIBS