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gnu: expat: Fix regression caused by fix for CVE-2016-0718. 

* gnu/packages/xml.scm (expat)[replacement]: New field.
(expat/fixed): New variable.
* gnu/packages/patches/expat-CVE-2016-0718-fix-regression.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.

Signed-off-by: Leo Famulari <leo@famulari.name>
master
Leo Famulari 2016-09-12 16:54:45 -04:00
parent 32f70e1f86
commit b9bc6e8420
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GPG Key ID: 2646FA30BACA7F08
3 changed files with 48 additions and 0 deletions
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1
gnu/local.mk
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@ -506,6 +506,7 @@ dist_patch_DATA = \
%D%/packages/patches/expat-CVE-2012-6702-and-CVE-2016-5300.patch \
%D%/packages/patches/expat-CVE-2015-1283-refix.patch \
%D%/packages/patches/expat-CVE-2016-0718.patch \
%D%/packages/patches/expat-CVE-2016-0718-fix-regression.patch \
%D%/packages/patches/fastcap-mulGlobal.patch \
%D%/packages/patches/fastcap-mulSetup.patch \
%D%/packages/patches/fasthenry-spAllocate.patch \

35
gnu/packages/patches/expat-CVE-2016-0718-fix-regression.patch 100644
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@ -0,0 +1,35 @@
Fix regression caused by fix for CVE-2016-0718 when building with -DXML_UNICODE.
Discussion:
https://sourceforge.net/p/expat/bugs/539/
Patch copied from upstream source repository:
https://sourceforge.net/p/expat/code_git/ci/af507cef2c93cb8d40062a0abe43a4f4e9158fb2/
From af507cef2c93cb8d40062a0abe43a4f4e9158fb2 Mon Sep 17 00:00:00 2001
From: Sebastian Pipping <sebastian@pipping.org>
Date: Sun, 17 Jul 2016 20:22:29 +0200
Subject: [PATCH 1/2] Fix regression bug #539 (needs -DXML_UNICODE)
Thanks to Andy Wang and Karl Waclawek!
---
expat/lib/xmlparse.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/expat/lib/xmlparse.c b/expat/lib/xmlparse.c
index b308e67..0d5dd7b 100644
--- a/lib/xmlparse.c
+++ b/lib/xmlparse.c
@@ -2468,7 +2468,7 @@ doContent(XML_Parser parser,
&fromPtr, rawNameEnd,
(ICHAR **)&toPtr, (ICHAR *)tag->bufEnd - 1);
convLen = (int)(toPtr - (XML_Char *)tag->buf);
- if ((convert_res == XML_CONVERT_COMPLETED) || (convert_res == XML_CONVERT_INPUT_INCOMPLETE)) {
+ if ((fromPtr >= rawNameEnd) || (convert_res == XML_CONVERT_INPUT_INCOMPLETE)) {
tag->name.strLen = convLen;
break;
}
--
2.10.0

12
gnu/packages/xml.scm
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@ -52,6 +52,7 @@
(define-public expat
(package
(name "expat")
(replacement expat/fixed)
(version "2.1.1")
(source (origin
(method url-fetch)
@ -72,6 +73,17 @@ stream-oriented parser in which an application registers handlers for
things the parser might find in the XML document (like start tags).")
(license license:expat)))
(define expat/fixed
(package
(inherit expat)
(source (origin
(inherit (package-source expat))
(patches (search-patches
"expat-CVE-2012-6702-and-CVE-2016-5300.patch"
"expat-CVE-2015-1283-refix.patch"
"expat-CVE-2016-0718.patch"
"expat-CVE-2016-0718-fix-regression.patch"))))))
(define-public libxml2
(package
(name "libxml2")