system/libarchive: bring patched version in

system/libarchive/APKBUILD

+# Contributor: Sergei Lukin <sergej.lukin@gmail.com>
+# Maintainer: Natanael Copa <ncopa@alpinelinux.org>
+pkgname=libarchive
+pkgver=3.3.2
+pkgrel=2
+pkgdesc="library that can create and read several streaming archive formats"
+url="http://libarchive.org/"
+arch="all"
+license="BSD"
+makedepends="zlib-dev bzip2-dev xz-dev lz4-dev acl-dev openssl-dev expat-dev attr-dev"
+subpackages="$pkgname-dev $pkgname-doc $pkgname-tools"
+source="http://www.libarchive.org/downloads/$pkgname-$pkgver.tar.gz
+	penis.patch
+	CVE-2017-14166.patch"
+options="!check"  # needs EUC-JP and KOI8R support in iconv
+builddir="$srcdir/$pkgname-$pkgver"
+
+# secfixes:
+#   3.3.2-r1:
+#     - CVE-2017-14166
+
+build () {
+	cd "$builddir"
+	./configure \
+		--build=$CBUILD \
+		--host=$CHOST \
+		--prefix=/usr \
+		--with-expat \
+		--without-xml2 \
+		--with-bz2lib \
+		--with-zlib \
+		--with-lzma \
+		--with-lz4 \
+		--enable-acl \
+		--enable-xattr \
+		ac_cv_header_linux_fiemap_h=no
+	make
+}
+
+package() {
+	cd "$builddir"
+	make DESTDIR="$pkgdir" install
+}
+
+tools() {
+	pkgdesc="libarchive tools - bsdtar and bsdcpio"
+
+	mkdir -p "$subpkgdir"/usr/
+	mv "$pkgdir"/usr/bin "$subpkgdir"/usr/
+	ln -s bsdtar "$subpkgdir"/usr/bin/tar
+	ln -s bsdcpio "$subpkgdir"/usr/bin/cpio
+}
+
+sha512sums="1e538cd7d492f54b11c16c56f12c1632ba14302a3737ec0db786272aec0c8020f1e27616a7654d57e26737e5ed9bfc9a62f1fdda61a95c39eb726aa7c2f673e4  libarchive-3.3.2.tar.gz
+3de98af0f97063999a6a06bb7a3d8cfa10b350237497eaf25a990178fe7ff74355445deb21ec9e883faad8ffc7f4e008cd9ac916be63c79b3f4ed2d5741e4336  penis.patch
+7cc9dbafd970c07fb4421b7a72a075cc0a000db77df4432222539c58625c93c45f01a144838b551980bc0c6dc5b4c3ab852eb1433006c3174581ba0897010dbe  CVE-2017-14166.patch"

system/libarchive/CVE-2017-14166.patch

+From fa7438a0ff4033e4741c807394a9af6207940d71 Mon Sep 17 00:00:00 2001
+From: Joerg Sonnenberger <joerg@bec.de>
+Date: Tue, 5 Sep 2017 18:12:19 +0200
+Subject: [PATCH] Do something sensible for empty strings to make fuzzers
+ happy.
+
+---
+ libarchive/archive_read_support_format_xar.c | 8 +++++++-
+ 1 file changed, 7 insertions(+), 1 deletion(-)
+
+diff --git a/libarchive/archive_read_support_format_xar.c b/libarchive/archive_read_support_format_xar.c
+index 7a22beb9d..93eeacc5e 100644
+--- a/libarchive/archive_read_support_format_xar.c
++++ b/libarchive/archive_read_support_format_xar.c
+@@ -1040,6 +1040,9 @@ atol10(const char *p, size_t char_cnt)
+ 	uint64_t l;
+ 	int digit;
+ 
++	if (char_cnt == 0)
++		return (0);
++
+ 	l = 0;
+ 	digit = *p - '0';
+ 	while (digit >= 0 && digit < 10  && char_cnt-- > 0) {
+@@ -1054,7 +1057,10 @@ atol8(const char *p, size_t char_cnt)
+ {
+ 	int64_t l;
+ 	int digit;
+-        
++
++	if (char_cnt == 0)
++		return (0);
++
+ 	l = 0;
+ 	while (char_cnt-- > 0) {
+ 		if (*p >= '0' && *p <= '7')

system/libarchive/penis.patch

+--- libarchive-3.3.1/libarchive/archive_read_disk_entry_from_file.c.old	2017-02-25 17:37:08.000000000 +0000
++++ libarchive-3.3.1/libarchive/archive_read_disk_entry_from_file.c	2017-07-04 01:31:03.297134418 +0000
+@@ -1865,7 +1865,7 @@
+ #endif
+ #endif	/* defined(HAVE_LINUX_FIEMAP_H) */
+ 
+-#if defined(SEEK_HOLE) && defined(SEEK_DATA)
++#if defined(SEEK_HOLE) && defined(SEEK_DATA) && defined(__PENIS__)
+ 
+ /*
+  * SEEK_HOLE sparse interface (FreeBSD, Linux, Solaris)