# HG changeset patch
# User Pascal Bellard <pascal.bellard@slitaz.org>
# Date 1485333112 -3600
# Node ID 1bf436c396bcda1dafc28168818c722d2f7dc98f
# Parent  9d5829b82b92f57fe57b089d842af384ef5d4908
busybox: add buf 9471 fix (for wget)

diff -r 9d5829b82b92 -r 1bf436c396bc busybox/receipt
--- a/busybox/receipt	Wed Jan 25 03:21:58 2017 +0200
+++ b/busybox/receipt	Wed Jan 25 09:31:52 2017 +0100
@@ -46,6 +46,7 @@
 ftpd.u
 shutdown.u
 scriptreplay.u
+bug9471.u
 EOT
     cp $stuff/$PACKAGE-${VERSION%.*}.config .config
 }
diff -r 9d5829b82b92 -r 1bf436c396bc busybox/stuff/busybox-1.26-bug9471.u
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/busybox/stuff/busybox-1.26-bug9471.u	Wed Jan 25 09:31:52 2017 +0100
@@ -0,0 +1,28 @@
+--- busybox-1.26.2/networking/wget.c
++++ busybox-1.26.2/networking/wget.c
+@@ -1093,12 +1093,19 @@
+ 		}
+ 
+ 		fflush(sfp);
+-		/* If we use SSL helper, keeping our end of the socket open for writing
+-		 * makes our end (i.e. the same fd!) readable (EAGAIN instead of EOF)
+-		 * even after child closes its copy of the fd.
+-		 * This helps:
+-		 */
+-		shutdown(fileno(sfp), SHUT_WR);
++/* Tried doing this unconditionally.
++ * Cloudflare and nginx/1.11.5 are shocked to see SHUT_WR on non-HTTPS.
++ */
++#if ENABLE_FEATURE_WGET_OPENSSL || ENABLE_FEATURE_WGET_SSL_HELPER
++		if (target.protocol == P_HTTPS) {
++			/* If we use SSL helper, keeping our end of the socket open for writing
++			 * makes our end (i.e. the same fd!) readable (EAGAIN instead of EOF)
++			 * even after child closes its copy of the fd.
++			 * This helps:
++			 */
++			shutdown(fileno(sfp), SHUT_WR);
++		}
++#endif
+ 
+ 		/*
+ 		 * Retrieve HTTP response line and check for "200" status code.