Check for valid embedded file before trying to save it

Resolves: #1649441

poppler-0.67.0-valid-embedded-file.patch

@@ -0,0 +1,46 @@
+From 77a30e94d96220d7e22dff5b3f0a7f296f01b118 Mon Sep 17 00:00:00 2001
+From: Adam Reichold <adam.reichold@t-online.de>
+Date: Tue, 6 Nov 2018 09:13:41 +0100
+Subject: [PATCH] pdfdetach: Check for valid embedded file before trying to
+ save it.
+
+Closes #661
+---
+ utils/pdfdetach.cc | 14 ++++++++++++--
+ 1 file changed, 12 insertions(+), 2 deletions(-)
+
+diff --git a/utils/pdfdetach.cc b/utils/pdfdetach.cc
+index 846584a4..a8720c64 100644
+--- a/utils/pdfdetach.cc
++++ b/utils/pdfdetach.cc
+@@ -251,7 +251,12 @@ int main(int argc, char *argv[]) {
+       }
+       *p = '\0';
+ 
+-      if (!fileSpec->getEmbeddedFile()->save(path)) {
++      auto *embFile = fileSpec->getEmbeddedFile();
++      if (!embFile || !embFile->isOk()) {
++	exitCode = 3;
++	goto err2;
++      }
++      if (!embFile->save(path)) {
+ 	error(errIO, -1, "Error saving embedded file as '{0:s}'", p);
+ 	exitCode = 2;
+ 	goto err2;
+@@ -296,7 +301,12 @@ int main(int argc, char *argv[]) {
+       p = path;
+     }
+ 
+-    if (!fileSpec->getEmbeddedFile()->save(p)) {
++    auto *embFile = fileSpec->getEmbeddedFile();
++    if (!embFile || !embFile->isOk()) {
++      exitCode = 3;
++      goto err2;
++    }
++    if (!embFile->save(p)) {
+       error(errIO, -1, "Error saving embedded file as '{0:s}'", p);
+       exitCode = 2;
+       goto err2;
+-- 
+2.19.1
+

poppler.spec

@@ -4,7 +4,7 @@
 Summary: PDF rendering library
 Name:    poppler
 Version: 0.67.0
-Release: 4%{?dist}
+Release: 5%{?dist}
 License: (GPLv2 or GPLv3) and GPLv2+ and LGPLv2+ and MIT
 URL:     http://poppler.freedesktop.org/
 Source0: http://poppler.freedesktop.org/poppler-%{version}.tar.xz
@@ -31,6 +31,9 @@ Patch9:  poppler-0.67.0-cycles-in-pdf-parsing.patch
 # https://bugzilla.redhat.com/show_bug.cgi?id=1649435
 Patch10:  poppler-0.67.0-stream-check.patch
 
+# https://bugzilla.redhat.com/show_bug.cgi?id=1649440
+Patch11:  poppler-0.67.0-valid-embedded-file.patch
+
 BuildRequires: cmake
 BuildRequires: gcc-c++
 BuildRequires: gettext-devel
@@ -261,6 +264,10 @@ test "$(pkg-config --modversion poppler-splash)" = "%{version}"
 %{_mandir}/man1/*
 
 %changelog
+* Thu Nov 15 2018 Marek Kasik <mkasik@redhat.com> - 0.67.0-5
+- Check for valid embedded file before trying to save it
+- Resolves: #1649441
+
 * Thu Nov 15 2018 Marek Kasik <mkasik@redhat.com> - 0.67.0-4
 - Check for stream before calling stream methods
 - when saving an embedded file