From 5dc16850c64bbf2b7a7f4e7634a39901a729c2d3 Mon Sep 17 00:00:00 2001
From: Jason Volk <jason@zemos.net>
Date: Mon, 13 Apr 2020 17:06:28 -0700
Subject: [PATCH] ircd::rfc3986: Relax decoder to allow already-decoded inputs.

---
 ircd/rfc3986.cc | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/ircd/rfc3986.cc b/ircd/rfc3986.cc
index 5004b362d..e41d7f2bb 100644
--- a/ircd/rfc3986.cc
+++ b/ircd/rfc3986.cc
@@ -445,7 +445,11 @@ struct ircd::rfc3986::decoder
 	const rule<char()> unreserved_char
 	{
 		// unreserved characters and !$+*'(),
-		char_("A-Za-z0-9._~!$+*'(),-")
+		//char_("A-Za-z0-9._~!$+*'(),-")
+
+		//NOTE: allow any printable character here. No reason for trouble with
+		//NOTE: already-decoded inputs unless some other grammar expects it.
+		ascii::print - '%'
 		,"url unreserved characters"
 	};