diff options
| -rw-r--r-- | BUILD.gn | 1 | ||||
| -rw-r--r-- | core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp | 6 | ||||
| -rw-r--r-- | fpdfsdk/src/fpdf_dataavail_embeddertest.cpp | 23 | ||||
| -rw-r--r-- | pdfium.gyp | 1 | ||||
| -rw-r--r-- | testing/embedder_test.h | 2 | ||||
| -rw-r--r-- | testing/resources/trailer_as_hexstring.in | 29 | ||||
| -rw-r--r-- | testing/resources/trailer_as_hexstring.pdf | 35 | ||||
| -rw-r--r-- | testing/resources/trailer_unterminated.in | 31 | ||||
| -rw-r--r-- | testing/resources/trailer_unterminated.pdf | 38 |
9 files changed, 162 insertions, 4 deletions
@@ -1563,6 +1563,7 @@ test("pdfium_unittests") { test("pdfium_embeddertests") { sources = [ + "fpdfsdk/src/fpdf_dataavail_embeddertest.cpp", "fpdfsdk/src/fpdfdoc_embeddertest.cpp", "fpdfsdk/src/fpdfview_embeddertest.cpp", "testing/embedder_test.cpp", diff --git a/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp b/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp index 7af595de38..b759cc8a70 100644 --- a/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp +++ b/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp @@ -4030,14 +4030,14 @@ FX_BOOL CPDF_DataAvail::CheckTrailer(IFX_DownloadHints* pHints) CFX_SmartPointer<IFX_FileStream> file(FX_CreateMemoryStream(pBuf, (size_t)iSize, FALSE)); m_syntaxParser.InitParser((IFX_FileStream*)file, 0); CPDF_Object *pTrailer = m_syntaxParser.GetObject(NULL, 0, 0, 0); - if (pTrailer->GetType() != PDFOBJ_DICTIONARY) { - return FALSE; - } if (!pTrailer) { m_Pos += m_syntaxParser.SavePos(); pHints->AddSegment(m_Pos, iTrailerSize); return FALSE; } + if (pTrailer->GetType() != PDFOBJ_DICTIONARY) { + return FALSE; + } CPDF_Dictionary *pTrailerDict = pTrailer->GetDict(); if (pTrailerDict) { CPDF_Object *pEncrypt = pTrailerDict->GetElement("Encrypt"); diff --git a/fpdfsdk/src/fpdf_dataavail_embeddertest.cpp b/fpdfsdk/src/fpdf_dataavail_embeddertest.cpp new file mode 100644 index 0000000000..6081fa52ac --- /dev/null +++ b/fpdfsdk/src/fpdf_dataavail_embeddertest.cpp @@ -0,0 +1,23 @@ +// Copyright 2015 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +#include "../../testing/embedder_test.h" +#include "../../fpdfsdk/include/fpdfview.h" +#include "../../fpdfsdk/include/fpdfdoc.h" +#include "testing/gtest/include/gtest/gtest.h" + +class FPDFDataAvailEmbeddertest : public EmbedderTest { +}; + +TEST_F(FPDFDataAvailEmbeddertest, TrailerUnterminated) { + // Document must open without crashing but is too malformed to be available. + EXPECT_TRUE(OpenDocument("testing/resources/trailer_unterminated.pdf")); + EXPECT_FALSE(FPDFAvail_IsDocAvail(avail_, &hints_)); +} + +TEST_F(FPDFDataAvailEmbeddertest, TrailerAsHexstring) { + // Document must open without crashing but is too malformed to be available. + EXPECT_TRUE(OpenDocument("testing/resources/trailer_as_hexstring.pdf")); + EXPECT_FALSE(FPDFAvail_IsDocAvail(avail_, &hints_)); +} diff --git a/pdfium.gyp b/pdfium.gyp index a3f72156ff..8dba6afc0e 100644 --- a/pdfium.gyp +++ b/pdfium.gyp @@ -920,6 +920,7 @@ '<(DEPTH)' ], 'sources': [ + 'fpdfsdk/src/fpdf_dataavail_embeddertest.cpp', 'fpdfsdk/src/fpdfdoc_embeddertest.cpp', 'fpdfsdk/src/fpdfview_embeddertest.cpp', 'testing/embedder_test.cpp', diff --git a/testing/embedder_test.h b/testing/embedder_test.h index 48ea415e19..3eb3be606f 100644 --- a/testing/embedder_test.h +++ b/testing/embedder_test.h @@ -65,7 +65,7 @@ class EmbedderTest : public ::testing::Test { // is prohibited after this call is made. virtual void UnloadPage(FPDF_PAGE page, FPDF_FORMHANDLE form); - private: + protected: FPDF_DOCUMENT document_; FPDF_AVAIL avail_; FX_DOWNLOADHINTS hints_; diff --git a/testing/resources/trailer_as_hexstring.in b/testing/resources/trailer_as_hexstring.in new file mode 100644 index 0000000000..ec2368fab4 --- /dev/null +++ b/testing/resources/trailer_as_hexstring.in @@ -0,0 +1,29 @@ +{{header}} +{{object 1 0}} << + /Type /Catalog + /Pages 2 0 R + /Names << + /Dests 10 0 R + >> + /Dests 14 0 R +>> +endobj +{{object 2 0}} << + /Type /Pages + /Count 1 + /Kids [ + 3 0 R + ] +>> +endobj +{{object 3 0}} << + /Type /Page + /Parent 2 0 R + /MediaBox [0 0 612 792] +>> +endobj +{{xref}} +% trailer erroneously contains a hex string, not a dictionary. +trailer <0000deadbabe0000> +{{startxref}} +%%EOF diff --git a/testing/resources/trailer_as_hexstring.pdf b/testing/resources/trailer_as_hexstring.pdf new file mode 100644 index 0000000000..5b75a53afa --- /dev/null +++ b/testing/resources/trailer_as_hexstring.pdf @@ -0,0 +1,35 @@ +%PDF-1.7 +% ò¤ô +1 0 obj << + /Type /Catalog + /Pages 2 0 R + /Names << + /Dests 10 0 R + >> + /Dests 14 0 R +>> +endobj +2 0 obj << + /Type /Pages + /Count 1 + /Kids [ + 3 0 R + ] +>> +endobj +3 0 obj << + /Type /Page + /Parent 2 0 R + /MediaBox [0 0 612 792] +>> +endobj +xref +0 4 +0000000000 65536 f +0000000015 00000 n +0000000119 00000 n +0000000190 00000 n +trailer <0000deadbabe0000> +startxref +267 +%%EOF diff --git a/testing/resources/trailer_unterminated.in b/testing/resources/trailer_unterminated.in new file mode 100644 index 0000000000..c0c74b749c --- /dev/null +++ b/testing/resources/trailer_unterminated.in @@ -0,0 +1,31 @@ +{{header}} +{{object 1 0}} << + /Type /Catalog + /Pages 2 0 R + /Names << + /Dests 10 0 R + >> + /Dests 14 0 R +>> +endobj +{{object 2 0}} << + /Type /Pages + /Count 1 + /Kids [ + 3 0 R + ] +>> +endobj +{{object 3 0}} << + /Type /Page + /Parent 2 0 R + /MediaBox [0 0 612 792] +>> +endobj +{{xref}} +% closing angle-brackets not present for trailer dictionary. +trailer << + /Size 6 + /Root 1 0 R +{{startxref}} +%%EOF diff --git a/testing/resources/trailer_unterminated.pdf b/testing/resources/trailer_unterminated.pdf new file mode 100644 index 0000000000..b01ec4b67d --- /dev/null +++ b/testing/resources/trailer_unterminated.pdf @@ -0,0 +1,38 @@ +%PDF-1.7 +% ò¤ô +1 0 obj << + /Type /Catalog + /Pages 2 0 R + /Names << + /Dests 10 0 R + >> + /Dests 14 0 R +>> +endobj +2 0 obj << + /Type /Pages + /Count 1 + /Kids [ + 3 0 R + ] +>> +endobj +3 0 obj << + /Type /Page + /Parent 2 0 R + /MediaBox [0 0 612 792] +>> +endobj +xref +0 4 +0000000000 65536 f +0000000015 00000 n +0000000119 00000 n +0000000190 00000 n +% closing angle-brackets not present for trailer dictionary. +trailer << + /Size 6 + /Root 1 0 R +startxref +267 +%%EOF |