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authorMiklos Vajna <vmiklos@collabora.co.uk>2018-01-22 22:12:04 +0100
committerMichael Stahl <mstahl@redhat.com>2018-01-23 20:30:24 +0100
commite45ca13634ba51a6133a231f74db76be06bb4d95 (patch)
treef6aa1e764e021fc7c8373cd4eb41d9ad196a7afe
parent5163257c0d194f534887d92c6c9658640eeef3e1 (diff)
tdf#114460 vcl: handle nested parentheses in PDF roundtrip
The roundtrip of the pdf image failed due to this. (cherry picked from commit f58a16d5987c8e8c16580c514ce0c7b0895b4105) Change-Id: I88a9657e242dd2659f9bf06233e5fcbfeb43ceb5 Reviewed-on: https://gerrit.libreoffice.org/48378 Tested-by: Jenkins <ci@libreoffice.org> Reviewed-by: Michael Stahl <mstahl@redhat.com>
-rw-r--r--vcl/source/filter/ipdf/pdfdocument.cxx9
-rw-r--r--xmlsecurity/qa/unit/pdfsigning/data/tdf114460.pdfbin0 -> 12669 bytes
-rw-r--r--xmlsecurity/qa/unit/pdfsigning/pdfsigning.cxx2
3 files changed, 11 insertions, 0 deletions
diff --git a/vcl/source/filter/ipdf/pdfdocument.cxx b/vcl/source/filter/ipdf/pdfdocument.cxx
index 56e90cf7adf3..11c4519e44cf 100644
--- a/vcl/source/filter/ipdf/pdfdocument.cxx
+++ b/vcl/source/filter/ipdf/pdfdocument.cxx
@@ -2021,11 +2021,20 @@ bool PDFLiteralStringElement::Read(SvStream& rStream)
nPrevCh = ch;
rStream.ReadChar(ch);
+ // Start with 1 nesting level as we read a '(' above already.
+ int nDepth = 1;
OStringBuffer aBuf;
while (!rStream.eof())
{
+ if (ch == '(' && nPrevCh != '\\')
+ ++nDepth;
+
if (ch == ')' && nPrevCh != '\\')
+ --nDepth;
+
+ if (nDepth == 0)
{
+ // ')' of the outermost '(' is reached.
m_aValue = aBuf.makeStringAndClear();
SAL_INFO("vcl.filter", "PDFLiteralStringElement::Read: m_aValue is '" << m_aValue << "'");
return true;
diff --git a/xmlsecurity/qa/unit/pdfsigning/data/tdf114460.pdf b/xmlsecurity/qa/unit/pdfsigning/data/tdf114460.pdf
new file mode 100644
index 000000000000..a736e5bb90cd
--- /dev/null
+++ b/xmlsecurity/qa/unit/pdfsigning/data/tdf114460.pdf
Binary files differ
diff --git a/xmlsecurity/qa/unit/pdfsigning/pdfsigning.cxx b/xmlsecurity/qa/unit/pdfsigning/pdfsigning.cxx
index 642a034ae5e1..c989af96f1b3 100644
--- a/xmlsecurity/qa/unit/pdfsigning/pdfsigning.cxx
+++ b/xmlsecurity/qa/unit/pdfsigning/pdfsigning.cxx
@@ -448,6 +448,8 @@ void PDFSigningTest::testTokenize()
// File that's intentionally smaller than 1024 bytes.
"small.pdf",
"tdf107149.pdf",
+ // Nested parentheses were not handled.
+ "tdf114460.pdf",
};
for (const auto& rName : aNames)