62 lines
2.4 KiB
Diff
62 lines
2.4 KiB
Diff
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https://cgit.freedesktop.org/poppler/poppler/patch/?id=5c9b08a875b07853be6c44e43ff5f7f059df666a
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From 5c9b08a875b07853be6c44e43ff5f7f059df666a Mon Sep 17 00:00:00 2001
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From: Albert Astals Cid <aacid@kde.org>
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Date: Sat, 27 May 2017 00:09:17 +0200
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Subject: pdfunite: Fix crash with broken documents
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Sometimes we can't parse pages so check before accessing them
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Thanks to Jiaqi Peng for the report
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Fixes bugs #101153 and #101149
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diff --git a/utils/pdfunite.cc b/utils/pdfunite.cc
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index dfe48bf..c32e201 100644
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--- a/utils/pdfunite.cc
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+++ b/utils/pdfunite.cc
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@@ -7,7 +7,7 @@
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// Copyright (C) 2011-2015, 2017 Thomas Freitag <Thomas.Freitag@alfa.de>
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// Copyright (C) 2012 Arseny Solokha <asolokha@gmx.com>
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// Copyright (C) 2012 Fabio D'Urso <fabiodurso@hotmail.it>
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-// Copyright (C) 2012, 2014 Albert Astals Cid <aacid@kde.org>
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+// Copyright (C) 2012, 2014, 2017 Albert Astals Cid <aacid@kde.org>
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// Copyright (C) 2013 Adrian Johnson <ajohnson@redneon.com>
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// Copyright (C) 2013 Hib Eris <hib@hiberis.nl>
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// Copyright (C) 2015 Arthur Stavisky <vovodroid@gmail.com>
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@@ -268,15 +268,15 @@ int main (int argc, char *argv[])
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catDict->lookup("OutputIntents", &intents);
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catDict->lookupNF("AcroForm", &afObj);
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Ref *refPage = docs[0]->getCatalog()->getPageRef(1);
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- if (!afObj.isNull()) {
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+ if (!afObj.isNull() && refPage) {
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docs[0]->markAcroForm(&afObj, yRef, countRef, 0, refPage->num, refPage->num);
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}
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catDict->lookupNF("OCProperties", &ocObj);
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- if (!ocObj.isNull() && ocObj.isDict()) {
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+ if (!ocObj.isNull() && ocObj.isDict() && refPage) {
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docs[0]->markPageObjects(ocObj.getDict(), yRef, countRef, 0, refPage->num, refPage->num);
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}
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catDict->lookup("Names", &names);
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- if (!names.isNull() && names.isDict()) {
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+ if (!names.isNull() && names.isDict() && refPage) {
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docs[0]->markPageObjects(names.getDict(), yRef, countRef, 0, refPage->num, refPage->num);
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}
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if (intents.isArray() && intents.arrayGetLength() > 0) {
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@@ -353,6 +353,10 @@ int main (int argc, char *argv[])
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for (i = 0; i < (int) docs.size(); i++) {
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for (j = 1; j <= docs[i]->getNumPages(); j++) {
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+ if (!docs[i]->getCatalog()->getPage(j)) {
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+ continue;
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+ }
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+
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PDFRectangle *cropBox = NULL;
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if (docs[i]->getCatalog()->getPage(j)->isCropped())
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cropBox = docs[i]->getCatalog()->getPage(j)->getCropBox();
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--
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cgit v0.10.2
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