string.c: do not interpret '\\' before '\0' (CVE-2019-15846)

[exim.git] / src / src / transport-filter.src

diff --git a/src/src/transport-filter.src b/src/src/transport-filter.src
index 3f250e6578aa1a40a30a3e6990761bee87976930..db00d877f8154cb43cf2524bf461e17eae86704f 100644 (file)
--- a/src/src/transport-filter.src
+++ b/src/src/transport-filter.src
@@ -13,6 +13,14 @@
 
 use warnings;
 BEGIN { pop @INC if $INC[-1] eq '.' };
+use File::Basename;
+
+if ($ARGV[0] eq '--version') {
+    print basename($0) . ": $0\n",
+        "build: EXIM_RELEASE_VERSIONEXIM_VARIANT_VERSION\n",
+        "perl(runtime): $]\n";
+        exit 0;
+}
 
 # If the filter is called with any arguments, insert them into the message
 # as X-Arg headers, just to verify what they are.