param: Add additional key 'options' for interfaces

[samba.git] / wscript_configure_system_gnutls

diff --git a/wscript_configure_system_gnutls b/wscript_configure_system_gnutls
index 729b16960ab261388738cabb0d427291159d27ba..1983a0cdfe94cd5773e10751251a1629a469f992 100644 (file)
--- a/wscript_configure_system_gnutls
+++ b/wscript_configure_system_gnutls
@@ -1,38 +1,62 @@
-from waflib import Options
+import os
 
-gnutls_min_required_version = "3.2.0"
+def parse_version(v):
+    return tuple(map(int, (v.split("."))))
 
-gnutls_required_version = gnutls_min_required_version
+gnutls_min_required_version = "3.6.13"
 
-#
-# If we build with MIT Kerberos we need at least GnuTLS 3.4.7 for the backupkey
-# protocol.
-#
-if Options.options.with_system_mitkrb5 and conf.env.AD_DC_BUILD_IS_ENABLED:
-    gnutls_required_version = "3.4.7"
-    conf.DEFINE('HAVE_GNUTLS_3_4_7', 1)
+conf.CHECK_FUNCS('getrandom', headers='sys/random.h')
+if not conf.CONFIG_SET('HAVE_GETRANDOM'):
+   gnutls_min_required_version = "3.7.2"
+
+gnutls_required_version = gnutls_min_required_version
 
 conf.CHECK_CFG(package='gnutls',
                args=('"gnutls >= %s" --cflags --libs' % gnutls_required_version),
                      msg='Checking for GnuTLS >= %s' % gnutls_required_version,
                      mandatory=True)
 
+gnutls_version_str = conf.cmd_and_log(conf.env.PKGCONFIG + ['--modversion', 'gnutls']).strip()
+gnutls_version = parse_version(gnutls_version_str)
+
 # Define gnutls as a system library
 conf.SET_TARGET_TYPE('gnutls', 'SYSLIB')
 
-# Check for gnutls_x509_crt_set_subject_unique_id (>= 3.4.7) required by backupkey
-conf.CHECK_FUNCS_IN('gnutls_x509_crt_set_subject_unique_id', 'gnutls')
-
-# Check for gnutls_pkcs7_get_embedded_data_oid (>= 3.5.5) required by libmscat
-conf.CHECK_FUNCS_IN('gnutls_pkcs7_get_embedded_data_oid', 'gnutls')
-
-# Check for gnutls_aead_cipher_init (>= 3.4.0) used by encrypted_secrets
-if conf.CHECK_FUNCS_IN('gnutls_aead_cipher_init',
-                       'gnutls',
-                       headers='gnutls/gnutls.h'):
-    conf.DEFINE('HAVE_GNUTLS_AEAD', '1')
-else:
-    Logs.warn('No gnutls support for AEAD encryption')
+# Check for gnutls_aead_cipher_encryptv2
+#
+# This is available since version 3.6.10, but 3.6.10 has a bug which got fixed
+# in 3.6.11, see:
+#
+#     https://gitlab.com/gnutls/gnutls/-/merge_requests/1085
+#
+# 3.6.10 - 3.6.14 have a severe memory leak with AES-CCM
+#     https://gitlab.com/gnutls/gnutls/-/merge_requests/1278
+if (gnutls_version > parse_version('3.6.14')):
+      conf.DEFINE('ALLOW_GNUTLS_AEAD_CIPHER_ENCRYPTV2_AES_CCM', 1)
+
+# Check if gnutls has fips mode support
+# gnutls_fips140_mode_enabled() is available since 3.3.0
+fragment = '''
+#include <gnutls/gnutls.h>
+#include <stdlib.h>
+
+int main(void)
+{
+    unsigned int ok;
+
+    ok = gnutls_fips140_mode_enabled();
+
+    return !ok;
+}
+'''
+
+os.environ['GNUTLS_FORCE_FIPS_MODE'] = '1'
+conf.CHECK_CODE(fragment,
+                'HAVE_GNUTLS_FIPS_MODE_SUPPORTED',
+                execute=True,
+                addmain=False,
+                add_headers=False,
+                lib='gnutls',
+                msg='Checking for gnutls fips mode support')
+del os.environ['GNUTLS_FORCE_FIPS_MODE']
 
-conf.DEFINE('HAVE_GNUTLS3', 1)
-conf.DEFINE('ENABLE_GNUTLS', 1)