[PATCH pmg-api 2/2] pmg-smtp-filter: log-headers: trim trailing whitespace

[Stoiko Ivanov <s.ivanov@proxmox.com>]

Reported-by: Dominik Csapak <d.csapak@proxmox.com>
Signed-off-by: Stoiko Ivanov <s.ivanov@proxmox.com>
---
 src/bin/pmg-smtp-filter | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/bin/pmg-smtp-filter b/src/bin/pmg-smtp-filter
index 7f9cdb85..7aa5865c 100755
--- a/src/bin/pmg-smtp-filter
+++ b/src/bin/pmg-smtp-filter
@@ -714,6 +714,7 @@ sub handle_smtp {
                 $value = PMG::Utils::decode_rfc1522($value);
                 # remove non-printable and Unicode format chars to avoid log injection and spoofing
                 $value =~ s/[^\p{XPosixPrint}]|\p{Cf}/ /g;
+                $value =~ s/^\s+|\s+$//g;;
                 return encode('UTF-8', substr($value, 0, 512));
             };
             # separate line on purpose, so the log-tracker does not parse it as an event
-- 
2.47.3