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List: varnish-commit
Subject: [master] 7b6a395 Throw 503 on exceeding max 65k Vary header constituent limit.
From: Martin Blix Grydeland <martin () varnish-cache ! org>
Date: 2013-03-19 14:43:19
Message-ID: E1UHxl1-000496-9A () project ! varnish-software ! com
[Download RAW message or body]
commit 7b6a395c8a08308560f9617d71a4d9ac1d3c44a7
Author: Martin Blix Grydeland <martin@varnish-software.com>
Date: Mon Mar 18 17:53:35 2013 +0100
Throw 503 on exceeding max 65k Vary header constituent limit.
diff --git a/bin/varnishd/cache/cache_vary.c b/bin/varnishd/cache/cache_vary.c
index be98201..ba87608 100644
--- a/bin/varnishd/cache/cache_vary.c
+++ b/bin/varnishd/cache/cache_vary.c
@@ -122,7 +122,12 @@ VRY_Create(struct req *req, const struct http *hp, struct vsb **psb)
e--;
/* Encode two byte length and contents */
l = e - h;
- assert(!(l & ~0xffff));
+ if (l > 0xffff - 1) {
+ VSLb(req->vsl, SLT_Error,
+ "Vary header maximum length exceeded");
+ error = 1;
+ break;
+ }
} else {
e = h;
l = 0xffff;
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