DKIM: fix buffer overflow in verify

[exim.git] / test / confs / 4500

diff --git a/test/confs/4500 b/test/confs/4500
index bf4f1f6ad5d5e46912e953fd0ce158065901349f..871e0cd22b447b534036a7a7a69525529517d23a 100644 (file)
--- a/test/confs/4500
+++ b/test/confs/4500
@@ -9,9 +9,31 @@ primary_hostname = myhost.test.ex
 # ----- Main settings -----
 
 acl_smtp_rcpt = accept
-acl_smtp_dkim = accept logwrite = signer: $dkim_cur_signer bits: $dkim_key_length
+acl_smtp_dkim = check_dkim
+
+log_selector = +dkim_verbose
 
 queue_only
 queue_run_in_order
 
+
+begin acl
+
+check_dkim:
+.ifdef BAD
+  warn logwrite =      ${lookup dnsdb{defer_never,txt=_adsp._domainkey.$dkim_cur_signer}{$value}{unknown}}
+.endif
+.ifdef OPTION
+  warn condition =     ${if eq {$dkim_algo}{rsa-sha1}}
+       condition =     ${if eq {$dkim_verify_status}{pass}}
+       logwrite =      NOTE: forcing dkim verify fail (was pass)
+       set dkim_verify_status = fail
+       set dkim_verify_reason = hash too weak
+.endif
+  warn
+       logwrite = signer: $dkim_cur_signer bits: $dkim_key_length
+.ifndef STRICT
+  accept
+.endif
+
 # End