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diff -up qpdf-10.2.0/libqpdf/QPDF.cc.relax qpdf-10.2.0/libqpdf/QPDF.cc
--- qpdf-10.2.0/libqpdf/QPDF.cc.relax 2021-02-23 16:41:58.000000000 +0100
+++ qpdf-10.2.0/libqpdf/QPDF.cc 2021-02-24 12:35:50.715329461 +0100
@@ -11,6 +11,10 @@
#include <string.h>
#include <memory.h>
+#ifdef HAVE_GNUTLS
+# include <gnutls/crypto.h>
+#endif
+
#include <qpdf/QTC.hh>
#include <qpdf/QUtil.hh>
#include <qpdf/Pipeline.hh>
@@ -261,7 +265,13 @@ QPDF::processFile(char const* filename,
{
FileInputSource* fi = new FileInputSource();
fi->setFilename(filename);
+#ifdef HAVE_GNUTLS
+ GNUTLS_FIPS140_SET_LAX_MODE();
+#endif
processInputSource(fi, password);
+#ifdef HAVE_GNUTLS
+ GNUTLS_FIPS140_SET_STRICT_MODE();
+#endif
}
void
@@ -270,7 +280,13 @@ QPDF::processFile(char const* descriptio
{
FileInputSource* fi = new FileInputSource();
fi->setFile(description, filep, close_file);
+#ifdef HAVE_GNUTLS
+ GNUTLS_FIPS140_SET_LAX_MODE();
+#endif
processInputSource(fi, password);
+#ifdef HAVE_GNUTLS
+ GNUTLS_FIPS140_SET_STRICT_MODE();
+#endif
}
void
diff -up qpdf-10.2.0/libqpdf/QPDF_encryption.cc.relax qpdf-10.2.0/libqpdf/QPDF_encryption.cc
--- qpdf-10.2.0/libqpdf/QPDF_encryption.cc.relax 2021-02-23 16:41:58.000000000 +0100
+++ qpdf-10.2.0/libqpdf/QPDF_encryption.cc 2021-02-24 12:37:17.267561185 +0100
@@ -1,6 +1,8 @@
// This file implements methods from the QPDF class that involve
// encryption.
+#include <qpdf/qpdf-config.h>
+
#include <qpdf/QPDF.hh>
#include <qpdf/QPDFExc.hh>
@@ -18,6 +20,10 @@
#include <assert.h>
#include <string.h>
+#ifdef HAVE_GNUTLS
+# include <gnutls/crypto.h>
+#endif
+
static unsigned char const padding_string[] = {
0x28, 0xbf, 0x4e, 0x5e, 0x4e, 0x75, 0x8a, 0x41,
0x64, 0x00, 0x4e, 0x56, 0xff, 0xfa, 0x01, 0x08,
@@ -1150,6 +1156,12 @@ QPDF::getKeyForObject(
void
QPDF::decryptString(std::string& str, int objid, int generation)
{
+#ifdef HAVE_GNUTLS
+ unsigned oldmode = gnutls_fips140_mode_enabled();
+
+ gnutls_fips140_set_mode(GNUTLS_FIPS140_LAX, GNUTLS_FIPS140_SET_MODE_THREAD);
+#endif
+
if (objid == 0)
{
return;
@@ -1230,6 +1242,10 @@ QPDF::decryptString(std::string& str, in
QUtil::int_to_string(objid) + " " +
QUtil::int_to_string(generation) + ": " + e.what());
}
+
+#ifdef HAVE_GNUTLS
+ gnutls_fips140_set_mode(static_cast<gnutls_fips_mode_t>(oldmode), GNUTLS_FIPS140_SET_MODE_THREAD);
+#endif
}
void
@@ -1240,6 +1256,12 @@ QPDF::decryptStream(PointerHolder<Encryp
QPDFObjectHandle& stream_dict,
std::vector<PointerHolder<Pipeline> >& heap)
{
+#ifdef HAVE_GNUTLS
+ unsigned oldmode = gnutls_fips140_mode_enabled();
+
+ gnutls_fips140_set_mode(GNUTLS_FIPS140_LAX, GNUTLS_FIPS140_SET_MODE_THREAD);
+#endif
+
std::string type;
if (stream_dict.getKey("/Type").isName())
{
@@ -1361,6 +1383,10 @@ QPDF::decryptStream(PointerHolder<Encryp
toI(key.length()));
}
heap.push_back(pipeline);
+
+#ifdef HAVE_GNUTLS
+ gnutls_fips140_set_mode(static_cast<gnutls_fips_mode_t>(oldmode), GNUTLS_FIPS140_SET_MODE_THREAD);
+#endif
}
void
diff -up qpdf-10.2.0/libqpdf/QPDFWriter.cc.relax qpdf-10.2.0/libqpdf/QPDFWriter.cc
--- qpdf-10.2.0/libqpdf/QPDFWriter.cc.relax 2021-02-23 16:41:58.000000000 +0100
+++ qpdf-10.2.0/libqpdf/QPDFWriter.cc 2021-02-24 12:35:50.716329452 +0100
@@ -24,6 +24,10 @@
#include <algorithm>
#include <stdlib.h>
+#ifdef HAVE_GNUTLS
+#include <gnutls/crypto.h>
+#endif
+
QPDFWriter::Members::Members(QPDF& pdf) :
pdf(pdf),
filename("unspecified"),
@@ -321,6 +325,13 @@ void
QPDFWriter::setDeterministicID(bool val)
{
this->m->deterministic_id = val;
+
+#ifdef HAVE_GNUTLS
+ if (val)
+ GNUTLS_FIPS140_SET_LAX_MODE();
+ else
+ GNUTLS_FIPS140_SET_STRICT_MODE();
+#endif
}
void
@@ -342,6 +353,13 @@ void
QPDFWriter::setPreserveEncryption(bool val)
{
this->m->preserve_encryption = val;
+
+#ifdef HAVE_GNUTLS
+ if (val)
+ GNUTLS_FIPS140_SET_STRICT_MODE();
+ else
+ GNUTLS_FIPS140_SET_LAX_MODE();
+#endif
}
void