X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fsrc%2Fdkim.c;h=2a06dee9274dea2d34725ee92c7faf7ad128ad8e;hb=33191679e1a86ba6d9c38a74d0795d00c300f2c5;hp=d2abaff765c31041d7a3a4cda882a12c649a05c4;hpb=a8e1eeba8a2ff7eb5b2c6165d63f003fd0dfe3eb;p=user%2Fhenk%2Fcode%2Fexim.git

diff --git a/src/src/dkim.c b/src/src/dkim.c
index d2abaff76..2a06dee92 100644
--- a/src/src/dkim.c
+++ b/src/src/dkim.c
@@ -1,4 +1,4 @@
-/* $Cambridge: exim/src/src/dkim.c,v 1.12 2010/02/18 12:09:15 michael Exp $ */
+/* $Cambridge: exim/src/src/dkim.c,v 1.15 2010/06/12 13:54:38 jetmore Exp $ */
 
 /*************************************************
 *     Exim - an Internet mail transport agent    *
@@ -92,7 +92,7 @@ void dkim_exim_verify_finish(void) {
      means there was a processing error somewhere along the way.
      Log the incident and disable futher verification. */
   if (!dkim_collect_input) {
-    log_write(0, LOG_MAIN|LOG_PANIC, "DKIM: Error while running this message through validation, disabling signature verification.");
+    log_write(0, LOG_MAIN, "DKIM: Error while running this message through validation, disabling signature verification.");
     dkim_disable_verify = TRUE;
     return;
   }
@@ -458,12 +458,18 @@ uschar *dkim_exim_sign(int dkim_fd,
       pdkim_canon = PDKIM_CANON_RELAXED;
     }
 
-    dkim_sign_headers_expanded = expand_string(dkim_sign_headers);
-    if (dkim_sign_headers_expanded == NULL) {
-      log_write(0, LOG_MAIN|LOG_PANIC, "failed to expand "
-                "dkim_sign_headers: %s", expand_string_message);
-      rc = NULL;
-      goto CLEANUP;
+    if (dkim_sign_headers) {
+      dkim_sign_headers_expanded = expand_string(dkim_sign_headers);
+      if (dkim_sign_headers_expanded == NULL) {
+        log_write(0, LOG_MAIN|LOG_PANIC, "failed to expand "
+                  "dkim_sign_headers: %s", expand_string_message);
+        rc = NULL;
+        goto CLEANUP;
+      }
+    }
+    else {
+      /* pass NULL, which means default header list */
+      dkim_sign_headers_expanded = NULL;
     }
 
     /* Get private key to use. */