Revert an upstream patch to fix LZ4 compression.

1 files changed, 26 insertions, 0 deletions

diff --git a/x11/xpra/files/patch-xpra_net_compression.py b/x11/xpra/files/patch-xpra_net_compression.py
new file mode 100644
index 000000000000..51f87fc4e265
--- /dev/null
+++ b/x11/xpra/files/patch-xpra_net_compression.py
@@ -0,0 +1,26 @@
+--- xpra/net/compression.py.orig	2015-07-27 14:25:13 UTC
++++ xpra/net/compression.py
+@@ -23,7 +23,9 @@ try:
+         return level | LZ4_FLAG, LZ4_compress(packet)
+     #try to figure out the version number:
+     if hasattr(lz4, "VERSION"):
+-        lz4_version = str(lz4.VERSION)
++        lz4_version = lz4.VERSION
++        if hasattr(lz4, "LZ4_VERSION"):
++            lz4_version.append(lz4.LZ4_VERSION)
+     elif hasattr(lz4, "__file__"):
+         #hack it..
+         import os.path
+@@ -44,10 +46,8 @@ try:
+                 #we want at least two numbers first:
+                 if len(tmpv)>=2:
+                     #ie: (0, 7, 0)
+-                    lz4_version = ".".join(tmpv)
+-    assert lz4_version>="0.7", "versions older than 0.7.0 are vulnerable and should not be used, see CVE-2014-4715"
+-    if hasattr(lz4, "LZ4_VERSION"):
+-        lz4_version += "."+str(lz4.LZ4_VERSION)
++                    lz4_version = tuple(tmpv)
++                    assert lz4_version>=(0, 7), "versions older than 0.7.0 are vulnerable and should not be used, see CVE-2014-4715"
+ except Exception as e:
+     log("lz4 not found: %s", e)
+     LZ4_uncompress = None