python3-waitress: patch CVE-2024-49769

Details: https://nvd.nist.gov/vuln/detail/CVE-2024-49769

Pick the patch that is referenced in the NVD report (which is
a merge commit. The patches here are the individual patches from
that merge).

Signed-off-by: Gyorgy Sarvari <skandigraun@gmail.com>

meta-python/recipes-devtools/python/python3-waitress/CVE-2024-49769-4.patch

@@ -0,0 +1,34 @@
+From ee501847c38e21be0683ba81925472f219044a65 Mon Sep 17 00:00:00 2001
+From: Delta Regeer <bertjw@regeer.org>
+Date: Sun, 3 Mar 2024 16:26:22 -0700
+Subject: [PATCH] Don't exit handle_write early -- even if socket is not
+ connected
+
+Calling handle_close() multiple times does not hurt anything, and is
+safe.
+
+CVE: CVE-2024-49769
+Upstream-Status: Backport [https://github.com/Pylons/waitress/commit/8cba302b1ac08c2874ae179b2af2445e89311bac]
+Signed-off-by: Gyorgy Sarvari <skandigraun@gmail.com>
+---
+ src/waitress/channel.py | 6 ------
+ 1 file changed, 6 deletions(-)
+
+diff --git a/src/waitress/channel.py b/src/waitress/channel.py
+index cf19ef2..f4d9677 100644
+--- a/src/waitress/channel.py
++++ b/src/waitress/channel.py
+@@ -91,13 +91,7 @@ class HTTPChannel(wasyncore.dispatcher):
+         # Precondition: there's data in the out buffer to be sent, or
+         # there's a pending will_close request
+ 
+-        if not self.connected:
+-            # we dont want to close the channel twice
+-
+-            return
+-
+         # try to flush any pending output
+-
+         if not self.requests:
+             # 1. There are no running tasks, so we don't need to try to lock
+             #    the outbuf before sending