main/expat: security fixes

CVE-2009-3560
CVE-2009-3720

main/expat/APKBUILD

 # Maintainer: Carlo Landmeter <clandmeter at gmail.com>
 pkgname=expat
 pkgver=2.0.1
-pkgrel=0
+pkgrel=1
 pkgdesc="An XML Parser library written in C"
 url="http://www.libexpat.org/"
 license='AS IS'
-depends="uclibc"
-makedepends=""
-source="http://surfnet.dl.sourceforge.net/sourceforge/expat/expat-2.0.1.tar.gz"
+depends=
+makedepends=
+source="http://surfnet.dl.sourceforge.net/sourceforge/expat/expat-2.0.1.tar.gz
+	CVE-2009-3560.patch
+	CVE-2009-3720.patch
+	"
 subpackages="$pkgname-dev $pkgname-doc"
 
-build() {
-	cd "$srcdir/$pkgname-$pkgver"
+_builddir="$srcdir/$pkgname-$pkgver"
+prepare() {
+	cd "$_builddir"
+	for i in "$srcdir"/*.patch; do
+		[ -f "$i" ] || continue
+		msg "Applying $i"
+		patch -p1 -i "$i" || return 1
+	done
+		
+}
 
+build() {
+	cd "$_builddir"
 	./configure --prefix=/usr \
 	--mandir=/usr/share/man
 	make || return 1
+}
+
+package() {
+	cd "$_builddir"
 	make DESTDIR="$pkgdir/" install
 }
 
-md5sums="ee8b492592568805593f81f8cdf2a04c  expat-2.0.1.tar.gz"
+md5sums="ee8b492592568805593f81f8cdf2a04c  expat-2.0.1.tar.gz
+50603cac0f03aabc7087415251f592be  CVE-2009-3560.patch
+f3eeb796f28945899216b815e5901996  CVE-2009-3720.patch"

main/expat/CVE-2009-3560.patch

+diff -urNad trunk~/lib/xmlparse.c trunk/lib/xmlparse.c
+--- trunk~/lib/xmlparse.c	2007-05-08 04:25:35.000000000 +0200
++++ trunk/lib/xmlparse.c	2009-12-29 21:57:22.141732904 +0100
+@@ -3703,6 +3703,9 @@
+         return XML_ERROR_UNCLOSED_TOKEN;
+       case XML_TOK_PARTIAL_CHAR:
+         return XML_ERROR_PARTIAL_CHAR;
++      case -XML_TOK_PROLOG_S:
++        tok = -tok;
++        break;
+       case XML_TOK_NONE:
+ #ifdef XML_DTD
+         /* for internal PE NOT referenced between declarations */

main/expat/CVE-2009-3720.patch

+diff -urNad trunk~/lib/xmltok_impl.c trunk/lib/xmltok_impl.c
+--- trunk~/lib/xmltok_impl.c	2006-11-26 18:34:46.000000000 +0100
++++ trunk/lib/xmltok_impl.c	2009-10-22 21:42:41.000000000 +0200
+@@ -1744,7 +1744,7 @@
+                        const char *end,
+                        POSITION *pos)
+ {
+-  while (ptr != end) {
++  while (ptr < end) {
+     switch (BYTE_TYPE(enc, ptr)) {
+ #define LEAD_CASE(n) \
+     case BT_LEAD ## n: \