Replace 0-bytes and line breaks, pymilter does not like them

2020-02-28 19:28:20 +01:00
parent cdc3b72220
commit 3b6cebb79c
1 changed files with 2 additions and 1 deletions
--- a/pyheadermilter/init.py
+++ b/pyheadermilter/init.py
@@ -210,7 +210,8 @@ class HeaderMilter(Milter.Base):

                for name, hdr, index, occurrence in modified:
                    value = hdr[name]
-                    encoded_value = hdr.as_string().split(": ")[1].rstrip()
+                    # remove illegal characters, pymilter does not like them
+                    encoded_value = hdr.as_string().replace("\r", "").replace("\n", "").replace("\x00", "").split(":", 1)[1].strip()
                    mod_header = "{}: {}".format(name, value)
                    if rule.action == "add":
                        if rule.log: