From f8a45302c9ce147d7797ceb9e3757bd3b2af6b99 Mon Sep 17 00:00:00 2001
From: Richard van der Hoff <richard@matrix.org>
Date: Wed, 5 Jun 2019 16:16:33 +0100
Subject: [PATCH] Fix `federation_custom_ca_list` configuration option.

Previously, setting this option would cause an exception at startup.
---
 changelog.d/5362.bugfix | 1 +
 synapse/config/tls.py   | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)
 create mode 100644 changelog.d/5362.bugfix

diff --git a/changelog.d/5362.bugfix b/changelog.d/5362.bugfix
new file mode 100644
index 000000000..1c8b19182
--- /dev/null
+++ b/changelog.d/5362.bugfix
@@ -0,0 +1 @@
+Fix `federation_custom_ca_list` configuration option.
diff --git a/synapse/config/tls.py b/synapse/config/tls.py
index 72dd5926f..94a53d05f 100644
--- a/synapse/config/tls.py
+++ b/synapse/config/tls.py
@@ -107,7 +107,7 @@ class TlsConfig(Config):
             certs = []
             for ca_file in custom_ca_list:
                 logger.debug("Reading custom CA certificate file: %s", ca_file)
-                content = self.read_file(ca_file)
+                content = self.read_file(ca_file, "federation_custom_ca_list")
 
                 # Parse the CA certificates
                 try: