dev-libs/iniparser: Fix out-of-bounds read

Bug: https://bugs.gentoo.org/647588
Signed-off-by: Sebastian Pipping <sping@gentoo.org>
Package-Manager: Portage-2.3.92, Repoman-2.3.20

2 files changed, 69 insertions, 0 deletions

diff --git a/dev-libs/iniparser/files/iniparser-4.0-out-of-bounds-read.patch b/dev-libs/iniparser/files/iniparser-4.0-out-of-bounds-read.patch
new file mode 100644
index 000000000000..962566cd5b7f
--- /dev/null
+++ b/dev-libs/iniparser/files/iniparser-4.0-out-of-bounds-read.patch
@@ -0,0 +1,22 @@
+From 4f870752abbb756911d7b11405d49e9769d082bd Mon Sep 17 00:00:00 2001
+From: Emmanuel Leblond <emmanuel.leblond@gmail.com>
+Date: Fri, 8 Apr 2016 22:13:36 +0200
+Subject: [PATCH] Fix #68 when reading file with only \0 char
+
+---
+ src/iniparser.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/iniparser.c b/src/iniparser.c
+index be37fec..fb1b549 100644
+--- a/src/iniparser.c
++++ b/src/iniparser.c
+@@ -678,7 +678,7 @@ dictionary * iniparser_load(const char * ininame)
+     while (fgets(line+last, ASCIILINESZ-last, in)!=NULL) {
+         lineno++ ;
+         len = (int)strlen(line)-1;
+-        if (len==0)
++        if (len<=0)
+             continue;
+         /* Safety check against buffer overflows */
+         if (line[len]!='\n' && !feof(in)) {
diff --git a/dev-libs/iniparser/iniparser-3.1-r2.ebuild b/dev-libs/iniparser/iniparser-3.1-r2.ebuild
new file mode 100644
index 000000000000..3d8e93facd09
--- /dev/null
+++ b/dev-libs/iniparser/iniparser-3.1-r2.ebuild
@@ -0,0 +1,47 @@
+# Copyright 1999-2020 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=4
+
+AUTOTOOLS_AUTORECONF=1
+inherit autotools-utils autotools-multilib
+
+DESCRIPTION="A free stand-alone ini file parsing library"
+HOMEPAGE="http://ndevilla.free.fr/iniparser/"
+
+SRC_URI="http://ndevilla.free.fr/iniparser/${P}.tar.gz"
+LICENSE="MIT"
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sh ~sparc ~x86 ~ppc-aix ~x64-cygwin ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos ~m68k-mint ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
+IUSE="doc examples static-libs"
+
+DEPEND="doc? ( app-doc/doxygen )
+		sys-devel/libtool"
+RDEPEND=""
+
+# the tests are rather examples than tests, no point in running them
+RESTRICT="test"
+
+S="${WORKDIR}/${PN}"
+
+DOCS=( AUTHORS README )
+
+PATCHES=(
+	"${FILESDIR}/${PN}-3.0b-cpp.patch"
+	"${FILESDIR}/${PN}-3.0-autotools.patch"
+	"${FILESDIR}/${PN}-4.0-out-of-bounds-read.patch"
+)
+
+src_install() {
+	autotools-multilib_src_install
+
+	if use doc; then
+		emake -C doc
+		dohtml -r html/*
+	fi
+
+	if use examples ; then
+		insinto /usr/share/doc/${PF}/examples
+		doins test/*.{c,ini,py}
+	fi
+}