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mirror of https://github.com/qpdf/qpdf.git synced 2024-06-04 03:10:52 +00:00

Merge pull request #1004 from m-holger/ro

Split QPDF::readObject into readTrailer, readObject and readObjectInStream
This commit is contained in:
Jay Berkenbilt 2023-07-08 19:37:49 -04:00 committed by GitHub
commit 2c2436b23c
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
5 changed files with 158 additions and 472 deletions

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@ -1006,11 +1006,11 @@ class QPDF
void insertFreeXrefEntry(QPDFObjGen);
void insertReconstructedXrefEntry(int obj, qpdf_offset_t f1, int f2);
void setLastObjectDescription(std::string const& description, QPDFObjGen const& og);
QPDFObjectHandle readObject(
std::shared_ptr<InputSource>,
std::string const& description,
QPDFObjGen const& og,
bool in_object_stream);
QPDFObjectHandle readTrailer();
QPDFObjectHandle readObject(std::string const& description, QPDFObjGen og);
void readStream(QPDFObjectHandle& object, QPDFObjGen og, qpdf_offset_t offset);
void validateStreamLineEnd(QPDFObjectHandle& object, QPDFObjGen og, qpdf_offset_t offset);
QPDFObjectHandle readObjectInStream(std::shared_ptr<InputSource>& input, int obj);
size_t recoverStreamLength(
std::shared_ptr<InputSource> input, QPDFObjGen const& og, qpdf_offset_t stream_offset);
QPDFTokenizer::Token readToken(std::shared_ptr<InputSource>, size_t max_len = 0);

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@ -567,7 +567,7 @@ QPDF::reconstruct_xref(QPDFExc& e)
insertReconstructedXrefEntry(obj, token_start, gen);
}
} else if (!m->trailer.isInitialized() && t1.isWord("trailer")) {
QPDFObjectHandle t = readObject(m->file, "trailer", QPDFObjGen(), false);
QPDFObjectHandle t = readTrailer();
if (!t.isDictionary()) {
// Oh well. It was worth a try.
} else {
@ -855,7 +855,7 @@ QPDF::read_xrefTable(qpdf_offset_t xref_offset)
}
// Set offset to previous xref table if any
QPDFObjectHandle cur_trailer = readObject(m->file, "trailer", QPDFObjGen(), false);
QPDFObjectHandle cur_trailer = readTrailer();
if (!cur_trailer.isDictionary()) {
QTC::TC("qpdf", "QPDF missing trailer");
throw damagedPDF("", "expected trailer dictionary");
@ -1268,124 +1268,160 @@ QPDF::setLastObjectDescription(std::string const& description, QPDFObjGen const&
}
QPDFObjectHandle
QPDF::readObject(
std::shared_ptr<InputSource> input,
std::string const& description,
QPDFObjGen const& og,
bool in_object_stream)
QPDF::readTrailer()
{
qpdf_offset_t offset = m->file->tell();
bool empty = false;
auto object = QPDFParser(m->file, "trailer", m->tokenizer, nullptr, this).parse(empty, false);
if (empty) {
// Nothing in the PDF spec appears to allow empty objects, but they have been encountered in
// actual PDF files and Adobe Reader appears to ignore them.
warn(damagedPDF("trailer", "empty object treated as null"));
} else if (object.isDictionary() && readToken(m->file).isWord("stream")) {
warn(damagedPDF("trailer", m->file->tell(), "stream keyword found in trailer"));
}
// Override last_offset so that it points to the beginning of the object we just read
m->file->setLastOffset(offset);
return object;
}
QPDFObjectHandle
QPDF::readObject(std::string const& description, QPDFObjGen og)
{
setLastObjectDescription(description, og);
qpdf_offset_t offset = input->tell();
qpdf_offset_t offset = m->file->tell();
bool empty = false;
StringDecrypter decrypter{this, og};
StringDecrypter* decrypter_ptr = m->encp->encrypted ? &decrypter : nullptr;
auto object = QPDFParser(m->file, m->last_object_description, m->tokenizer, decrypter_ptr, this)
.parse(empty, false);
if (empty) {
// Nothing in the PDF spec appears to allow empty objects, but they have been encountered in
// actual PDF files and Adobe Reader appears to ignore them.
warn(damagedPDF(m->file, m->file->getLastOffset(), "empty object treated as null"));
return object;
}
auto token = readToken(m->file);
if (object.isDictionary() && token.isWord("stream")) {
readStream(object, og, offset);
token = readToken(m->file);
}
if (!token.isWord("endobj")) {
QTC::TC("qpdf", "QPDF err expected endobj");
warn(damagedPDF("expected endobj"));
}
return object;
}
// After reading stream dictionary and stream keyword, read rest of stream.
void
QPDF::readStream(QPDFObjectHandle& object, QPDFObjGen og, qpdf_offset_t offset)
{
validateStreamLineEnd(object, og, offset);
// Must get offset before accessing any additional objects since resolving a previously
// unresolved indirect object will change file position.
qpdf_offset_t stream_offset = m->file->tell();
size_t length = 0;
try {
auto length_obj = object.getKey("/Length");
if (!length_obj.isInteger()) {
if (length_obj.isNull()) {
QTC::TC("qpdf", "QPDF stream without length");
throw damagedPDF(offset, "stream dictionary lacks /Length key");
}
QTC::TC("qpdf", "QPDF stream length not integer");
throw damagedPDF(offset, "/Length key in stream dictionary is not an integer");
}
length = toS(length_obj.getUIntValue());
// Seek in two steps to avoid potential integer overflow
m->file->seek(stream_offset, SEEK_SET);
m->file->seek(toO(length), SEEK_CUR);
if (!readToken(m->file).isWord("endstream")) {
QTC::TC("qpdf", "QPDF missing endstream");
throw damagedPDF("expected endstream");
}
} catch (QPDFExc& e) {
if (m->attempt_recovery) {
warn(e);
length = recoverStreamLength(m->file, og, stream_offset);
} else {
throw;
}
}
object = newIndirect(og, QPDF_Stream::create(this, og, object, stream_offset, length));
}
void
QPDF::validateStreamLineEnd(QPDFObjectHandle& object, QPDFObjGen og, qpdf_offset_t offset)
{
// The PDF specification states that the word "stream" should be followed by either a carriage
// return and a newline or by a newline alone. It specifically disallowed following it by a
// carriage return alone since, in that case, there would be no way to tell whether the NL in a
// CR NL sequence was part of the stream data. However, some readers, including Adobe reader,
// accept a carriage return by itself when followed by a non-newline character, so that's what
// we do here. We have also seen files that have extraneous whitespace between the stream
// keyword and the newline.
while (true) {
char ch;
if (m->file->read(&ch, 1) == 0) {
// A premature EOF here will result in some other problem that will get reported at
// another time.
return;
}
if (ch == '\n') {
// ready to read stream data
QTC::TC("qpdf", "QPDF stream with NL only");
return;
}
if (ch == '\r') {
// Read another character
if (m->file->read(&ch, 1) != 0) {
if (ch == '\n') {
// Ready to read stream data
QTC::TC("qpdf", "QPDF stream with CRNL");
} else {
// Treat the \r by itself as the whitespace after endstream and start reading
// stream data in spite of not having seen a newline.
QTC::TC("qpdf", "QPDF stream with CR only");
m->file->unreadCh(ch);
warn(damagedPDF(
m->file->tell(), "stream keyword followed by carriage return only"));
}
}
return;
}
if (!QUtil::is_space(ch)) {
QTC::TC("qpdf", "QPDF stream without newline");
m->file->unreadCh(ch);
warn(damagedPDF(
m->file->tell(), "stream keyword not followed by proper line terminator"));
return;
}
warn(damagedPDF(m->file->tell(), "stream keyword followed by extraneous whitespace"));
}
}
QPDFObjectHandle
QPDF::readObjectInStream(std::shared_ptr<InputSource>& input, int obj)
{
m->last_object_description.erase(7); // last_object_description starts with "object "
m->last_object_description += std::to_string(obj);
m->last_object_description += " 0";
bool empty = false;
std::shared_ptr<StringDecrypter> decrypter_ph;
StringDecrypter* decrypter = nullptr;
if (m->encp->encrypted && (!in_object_stream)) {
decrypter_ph = std::make_shared<StringDecrypter>(this, og);
decrypter = decrypter_ph.get();
}
auto object = QPDFParser(input, m->last_object_description, m->tokenizer, decrypter, this)
auto object = QPDFParser(input, m->last_object_description, m->tokenizer, nullptr, this)
.parse(empty, false);
if (empty) {
// Nothing in the PDF spec appears to allow empty objects, but they have been encountered in
// actual PDF files and Adobe Reader appears to ignore them.
warn(damagedPDF(input, input->getLastOffset(), "empty object treated as null"));
} else if (object.isDictionary() && (!in_object_stream)) {
// check for stream
qpdf_offset_t cur_offset = input->tell();
if (readToken(input).isWord("stream")) {
// The PDF specification states that the word "stream" should be followed by either a
// carriage return and a newline or by a newline alone. It specifically disallowed
// following it by a carriage return alone since, in that case, there would be no way to
// tell whether the NL in a CR NL sequence was part of the stream data. However, some
// readers, including Adobe reader, accept a carriage return by itself when followed by
// a non-newline character, so that's what we do here. We have also seen files that have
// extraneous whitespace between the stream keyword and the newline.
bool done = false;
while (!done) {
done = true;
char ch;
if (input->read(&ch, 1) == 0) {
// A premature EOF here will result in some other problem that will get reported
// at another time.
} else if (ch == '\n') {
// ready to read stream data
QTC::TC("qpdf", "QPDF stream with NL only");
} else if (ch == '\r') {
// Read another character
if (input->read(&ch, 1) != 0) {
if (ch == '\n') {
// Ready to read stream data
QTC::TC("qpdf", "QPDF stream with CRNL");
} else {
// Treat the \r by itself as the whitespace after endstream and start
// reading stream data in spite of not having seen a newline.
QTC::TC("qpdf", "QPDF stream with CR only");
input->unreadCh(ch);
warn(damagedPDF(
input,
input->tell(),
"stream keyword followed by carriage return "
"only"));
}
}
} else if (QUtil::is_space(ch)) {
warn(damagedPDF(
input, input->tell(), "stream keyword followed by extraneous whitespace"));
done = false;
} else {
QTC::TC("qpdf", "QPDF stream without newline");
input->unreadCh(ch);
warn(damagedPDF(
input,
input->tell(),
"stream keyword not followed by proper line "
"terminator"));
}
}
// Must get offset before accessing any additional objects since resolving a previously
// unresolved indirect object will change file position.
qpdf_offset_t stream_offset = input->tell();
size_t length = 0;
try {
auto length_obj = object.getKey("/Length");
if (!length_obj.isInteger()) {
if (length_obj.isNull()) {
QTC::TC("qpdf", "QPDF stream without length");
throw damagedPDF(input, offset, "stream dictionary lacks /Length key");
}
QTC::TC("qpdf", "QPDF stream length not integer");
throw damagedPDF(
input, offset, "/Length key in stream dictionary is not an integer");
}
length = toS(length_obj.getUIntValue());
// Seek in two steps to avoid potential integer overflow
input->seek(stream_offset, SEEK_SET);
input->seek(toO(length), SEEK_CUR);
if (!readToken(input).isWord("endstream")) {
QTC::TC("qpdf", "QPDF missing endstream");
throw damagedPDF(input, input->getLastOffset(), "expected endstream");
}
} catch (QPDFExc& e) {
if (m->attempt_recovery) {
warn(e);
length = recoverStreamLength(input, og, stream_offset);
} else {
throw;
}
}
object = newIndirect(og, QPDF_Stream::create(this, og, object, stream_offset, length));
} else {
input->seek(cur_offset, SEEK_SET);
}
}
// Override last_offset so that it points to the beginning of the object we just read
input->setLastOffset(offset);
return object;
}
@ -1559,12 +1595,7 @@ QPDF::readObjectAtOffset(
}
}
QPDFObjectHandle oh = readObject(m->file, description, og, false);
if (!readToken(m->file).isWord("endobj")) {
QTC::TC("qpdf", "QPDF err expected endobj");
warn(damagedPDF("expected endobj"));
}
QPDFObjectHandle oh = readObject(description, og);
if (isUnresolved(og)) {
// Store the object in the cache here so it gets cached whether we first know the offset or
@ -1744,13 +1775,15 @@ QPDF::resolveObjectsInStream(int obj_stream_number)
// found here in the cache. Remember that some objects stored here might have been overridden
// by new objects appended to the file, so it is necessary to recheck the xref table and only
// cache what would actually be resolved here.
m->last_object_description.clear();
m->last_object_description += "object ";
for (auto const& iter: offsets) {
QPDFObjGen og(iter.first, 0);
QPDFXRefEntry const& entry = m->xref_table[og];
if ((entry.getType() == 2) && (entry.getObjStreamNumber() == obj_stream_number)) {
int offset = iter.second;
input->seek(offset, SEEK_SET);
QPDFObjectHandle oh = readObject(input, "", og, true);
QPDFObjectHandle oh = readObjectInStream(input, iter.first);
updateCache(og, oh.getObj(), end_before_space, end_after_space);
} else {
QTC::TC("qpdf", "QPDF not caching overridden objstm object");

View File

@ -1,17 +1,5 @@
WARNING: issue-100.pdf: file is damaged
WARNING: issue-100.pdf (offset 736): xref not found
WARNING: issue-100.pdf: Attempting to reconstruct cross-reference table
WARNING: issue-100.pdf (object 5 0, offset 268): unknown token while reading object; treating as string
WARNING: issue-100.pdf (object 5 0, offset 286): unknown token while reading object; treating as string
WARNING: issue-100.pdf (object 5 0, offset 289): unknown token while reading object; treating as string
WARNING: issue-100.pdf (object 5 0, offset 294): unknown token while reading object; treating as string
WARNING: issue-100.pdf (object 5 0, offset 297): unknown token while reading object; treating as string
WARNING: issue-100.pdf (object 5 0, offset 304): unknown token while reading object; treating as string
WARNING: issue-100.pdf (object 5 0, offset 304): too many errors; giving up on reading object
WARNING: issue-100.pdf (object 5 0, offset 308): expected endobj
WARNING: issue-100.pdf (object 5 0, offset 418): stream dictionary lacks /Length key
WARNING: issue-100.pdf (object 5 0, offset 489): attempting to recover stream length
WARNING: issue-100.pdf (object 5 0, offset 489): recovered stream length: 12
WARNING: issue-100.pdf (trailer, offset 953): expected dictionary key but found non-name object; inserting key /QPDFFake1
WARNING: issue-100.pdf (trailer, offset 953): dictionary ended prematurely; using null as value for last key
WARNING: issue-100.pdf (trailer, offset 488): stream keyword found in trailer
qpdf: issue-100.pdf: unable to find /Root dictionary

View File

@ -1,43 +1,5 @@
WARNING: issue-101.pdf: file is damaged
WARNING: issue-101.pdf (offset 3526): xref not found
WARNING: issue-101.pdf: Attempting to reconstruct cross-reference table
WARNING: issue-101.pdf (object 5 0, offset 1242): expected dictionary key but found non-name object; inserting key /QPDFFake1
WARNING: issue-101.pdf (object 5 0, offset 1242): dictionary ended prematurely; using null as value for last key
WARNING: issue-101.pdf (object 5 0, offset 1438): /Length key in stream dictionary is not an integer
WARNING: issue-101.pdf (object 5 0, offset 1509): attempting to recover stream length
WARNING: issue-101.pdf (object 5 0, offset 1509): recovered stream length: 8
WARNING: issue-101.pdf (trailer, offset 1631): /Length key in stream dictionary is not an integer
WARNING: issue-101.pdf (trailer, offset 1702): attempting to recover stream length
WARNING: issue-101.pdf (trailer, offset 1702): recovered stream length: 12
WARNING: issue-101.pdf (trailer, offset 2026): /Length key in stream dictionary is not an integer
WARNING: issue-101.pdf (trailer, offset 2097): attempting to recover stream length
WARNING: issue-101.pdf (trailer, offset 2097): recovered stream length: 257
WARNING: issue-101.pdf (trailer, offset 2613): /Length key in stream dictionary is not an integer
WARNING: issue-101.pdf (trailer, offset 2684): attempting to recover stream length
WARNING: issue-101.pdf (trailer, offset 2684): recovered stream length: 74
WARNING: issue-101.pdf (trailer, offset 2928): unknown token while reading object; treating as string
WARNING: issue-101.pdf (trailer, offset 2930): unknown token while reading object; treating as string
WARNING: issue-101.pdf (trailer, offset 2928): expected dictionary key but found non-name object; inserting key /QPDFFake1
WARNING: issue-101.pdf (trailer, offset 2928): expected dictionary key but found non-name object; inserting key /QPDFFake2
WARNING: issue-101.pdf (trailer, offset 2928): expected dictionary key but found non-name object; inserting key /QPDFFake3
WARNING: issue-101.pdf (trailer, offset 2925): /Length key in stream dictionary is not an integer
WARNING: issue-101.pdf (trailer, offset 2996): attempting to recover stream length
WARNING: issue-101.pdf (trailer, offset 2996): recovered stream length: 12
WARNING: issue-101.pdf (trailer, offset 3339): /Length key in stream dictionary is not an integer
WARNING: issue-101.pdf (trailer, offset 3410): attempting to recover stream length
WARNING: issue-101.pdf (trailer, offset 3410): recovered stream length: 12
WARNING: issue-101.pdf (trailer, offset 3560): /Length key in stream dictionary is not an integer
WARNING: issue-101.pdf (trailer, offset 3631): attempting to recover stream length
WARNING: issue-101.pdf (trailer, offset 3631): recovered stream length: 8
WARNING: issue-101.pdf (trailer, offset 4113): /Length key in stream dictionary is not an integer
WARNING: issue-101.pdf (trailer, offset 4184): attempting to recover stream length
WARNING: issue-101.pdf (trailer, offset 4184): recovered stream length: 8
WARNING: issue-101.pdf (object 11 0, offset 591): unknown token while reading object; treating as string
WARNING: issue-101.pdf (object 11 0, offset 625): treating unexpected brace token as null
WARNING: issue-101.pdf (object 11 0, offset 626): unknown token while reading object; treating as string
WARNING: issue-101.pdf (object 11 0, offset 637): unknown token while reading object; treating as string
WARNING: issue-101.pdf (object 11 0, offset 639): unknown token while reading object; treating as string
WARNING: issue-101.pdf (object 11 0, offset 644): unknown token while reading object; treating as string
WARNING: issue-101.pdf (object 11 0, offset 644): too many errors; giving up on reading object
WARNING: issue-101.pdf (object 11 0, offset 647): expected endobj
WARNING: issue-101.pdf (trailer, offset 1508): stream keyword found in trailer
qpdf: issue-101.pdf: unable to find /Root dictionary

View File

@ -1015,302 +1015,5 @@ WARNING: issue-335a.pdf (trailer, offset 20606): treating unexpected brace token
WARNING: issue-335a.pdf (trailer, offset 20606): too many errors; giving up on reading object
WARNING: issue-335a.pdf (trailer, offset 20684): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 20683): expected dictionary key but found non-name object; inserting key /QPDFFake1
WARNING: issue-335a.pdf (trailer, offset 20748): stream keyword followed by extraneous whitespace
WARNING: issue-335a.pdf (trailer, offset 20679): stream dictionary lacks /Length key
WARNING: issue-335a.pdf (trailer, offset 20749): attempting to recover stream length
WARNING: issue-335a.pdf (trailer, offset 20749): unable to recover stream data; treating stream as empty
WARNING: issue-335a.pdf (trailer, offset 20756): stream dictionary lacks /Length key
WARNING: issue-335a.pdf (trailer, offset 20787): attempting to recover stream length
WARNING: issue-335a.pdf (trailer, offset 20787): unable to recover stream data; treating stream as empty
WARNING: issue-335a.pdf (trailer, offset 20812): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 20803): expected dictionary key but found non-name object; inserting key /QPDFFake1
WARNING: issue-335a.pdf (trailer, offset 20803): dictionary has duplicated key /Length; last occurrence overrides earlier ones
WARNING: issue-335a.pdf (trailer, offset 20843): stream keyword followed by extraneous whitespace
WARNING: issue-335a.pdf (trailer, offset 20800): stream dictionary lacks /Length key
WARNING: issue-335a.pdf (trailer, offset 20844): attempting to recover stream length
WARNING: issue-335a.pdf (trailer, offset 20844): unable to recover stream data; treating stream as empty
WARNING: issue-335a.pdf (trailer, offset 20851): stream dictionary lacks /Length key
WARNING: issue-335a.pdf (trailer, offset 20882): attempting to recover stream length
WARNING: issue-335a.pdf (trailer, offset 20882): unable to recover stream data; treating stream as empty
WARNING: issue-335a.pdf (trailer, offset 20914): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 20898): expected dictionary key but found non-name object; inserting key /QPDFFake1
WARNING: issue-335a.pdf (trailer, offset 20895): stream dictionary lacks /Length key
WARNING: issue-335a.pdf (trailer, offset 20929): attempting to recover stream length
WARNING: issue-335a.pdf (trailer, offset 20929): unable to recover stream data; treating stream as empty
WARNING: issue-335a.pdf (trailer, offset 20949): unexpected >
WARNING: issue-335a.pdf (trailer, offset 20957): unexpected >
WARNING: issue-335a.pdf (trailer, offset 20958): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 20960): unexpected >
WARNING: issue-335a.pdf (trailer, offset 20961): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 20972): treating unexpected brace token as null
WARNING: issue-335a.pdf (trailer, offset 20973): unexpected )
WARNING: issue-335a.pdf (trailer, offset 20973): too many errors; giving up on reading object
WARNING: issue-335a.pdf (trailer, offset 21042): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 21026): expected dictionary key but found non-name object; inserting key /QPDFFake1
WARNING: issue-335a.pdf (trailer, offset 21023): stream dictionary lacks /Length key
WARNING: issue-335a.pdf (trailer, offset 21057): attempting to recover stream length
WARNING: issue-335a.pdf (trailer, offset 21057): unable to recover stream data; treating stream as empty
WARNING: issue-335a.pdf (trailer, offset 21077): unexpected >
WARNING: issue-335a.pdf (trailer, offset 21085): unexpected >
WARNING: issue-335a.pdf (trailer, offset 21086): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 21088): unexpected >
WARNING: issue-335a.pdf (trailer, offset 21089): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 21100): treating unexpected brace token as null
WARNING: issue-335a.pdf (trailer, offset 21101): unexpected )
WARNING: issue-335a.pdf (trailer, offset 21101): too many errors; giving up on reading object
WARNING: issue-335a.pdf (trailer, offset 21118): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 21158): unexpected )
WARNING: issue-335a.pdf (trailer, offset 21202): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 21205): treating unexpected brace token as null
WARNING: issue-335a.pdf (trailer, offset 21207): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 21212): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 21212): too many errors; giving up on reading object
WARNING: issue-335a.pdf (trailer, offset 21132): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 21138): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 21156): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 21157): unexpected )
WARNING: issue-335a.pdf (trailer, offset 21158): unexpected )
WARNING: issue-335a.pdf (trailer, offset 21202): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 21202): too many errors; giving up on reading object
WARNING: issue-335a.pdf (trailer, offset 21154): treating unexpected brace token as null
WARNING: issue-335a.pdf (trailer, offset 21155): unexpected )
WARNING: issue-335a.pdf (trailer, offset 21156): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 21157): unexpected )
WARNING: issue-335a.pdf (trailer, offset 21158): unexpected )
WARNING: issue-335a.pdf (trailer, offset 21202): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 21202): too many errors; giving up on reading object
WARNING: issue-335a.pdf (trailer, offset 21172): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 21199): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 21201): unexpected )
WARNING: issue-335a.pdf (trailer, offset 21202): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 21205): treating unexpected brace token as null
WARNING: issue-335a.pdf (trailer, offset 21207): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 21207): too many errors; giving up on reading object
WARNING: issue-335a.pdf (trailer, offset 21228): treating unexpected brace token as null
WARNING: issue-335a.pdf (trailer, offset 21229): unexpected )
WARNING: issue-335a.pdf (trailer, offset 21230): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 21262): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 21267): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 21277): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 21277): too many errors; giving up on reading object
WARNING: issue-335a.pdf (trailer, offset 21277): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 21287): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 21389): unexpected dictionary close token
WARNING: issue-335a.pdf (trailer, offset 21392): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 21400): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 21430): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 21438): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 21441): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 21444): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 21452): invalid character (-) in hexstring
WARNING: issue-335a.pdf (trailer, offset 21819): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 21819): too many errors; giving up on reading object
WARNING: issue-335a.pdf (trailer, offset 21287): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 21389): unexpected dictionary close token
WARNING: issue-335a.pdf (trailer, offset 21392): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 21400): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 21430): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 21438): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 21441): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 21444): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 21452): invalid character (-) in hexstring
WARNING: issue-335a.pdf (trailer, offset 21819): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 21819): too many errors; giving up on reading object
WARNING: issue-335a.pdf (trailer, offset 21407): stream dictionary lacks /Length key
WARNING: issue-335a.pdf (trailer, offset 21438): attempting to recover stream length
WARNING: issue-335a.pdf (trailer, offset 21438): unable to recover stream data; treating stream as empty
WARNING: issue-335a.pdf (trailer, offset 21452): invalid character (-) in hexstring
WARNING: issue-335a.pdf (trailer, offset 21837): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 21850): expected dictionary key but found non-name object; inserting key /QPDFFake1
WARNING: issue-335a.pdf (trailer, offset 21892): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 21900): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 21903): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 21906): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 21918): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 21925): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 21925): too many errors; giving up on reading object
WARNING: issue-335a.pdf (trailer, offset 21918): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 21925): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 21937): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 21962): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 21991): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 22000): invalid character (t) in hexstring
WARNING: issue-335a.pdf (trailer, offset 22003): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 22028): unexpected >
WARNING: issue-335a.pdf (trailer, offset 22030): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 22038): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 21936): expected dictionary key but found non-name object; inserting key /QPDFFake1
WARNING: issue-335a.pdf (trailer, offset 21936): expected dictionary key but found non-name object; inserting key /QPDFFake2
WARNING: issue-335a.pdf (trailer, offset 21936): expected dictionary key but found non-name object; inserting key /QPDFFake3
WARNING: issue-335a.pdf (trailer, offset 21936): expected dictionary key but found non-name object; inserting key /QPDFFake4
WARNING: issue-335a.pdf (trailer, offset 21936): expected dictionary key but found non-name object; inserting key /QPDFFake5
WARNING: issue-335a.pdf (trailer, offset 21936): expected dictionary key but found non-name object; inserting key /QPDFFake6
WARNING: issue-335a.pdf (trailer, offset 21936): dictionary has duplicated key /Length; last occurrence overrides earlier ones
WARNING: issue-335a.pdf (trailer, offset 21936): expected dictionary key but found non-name object; inserting key /QPDFFake7
WARNING: issue-335a.pdf (trailer, offset 21936): expected dictionary key but found non-name object; inserting key /QPDFFake8
WARNING: issue-335a.pdf (trailer, offset 21936): expected dictionary key but found non-name object; inserting key /QPDFFake9
WARNING: issue-335a.pdf (trailer, offset 22044): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 22052): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 22064): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 22064): too many errors; giving up on reading object
WARNING: issue-335a.pdf (trailer, offset 21937): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 21962): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 21991): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 22000): invalid character (t) in hexstring
WARNING: issue-335a.pdf (trailer, offset 22003): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 22028): unexpected >
WARNING: issue-335a.pdf (trailer, offset 22030): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 22038): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 21936): expected dictionary key but found non-name object; inserting key /QPDFFake1
WARNING: issue-335a.pdf (trailer, offset 21936): expected dictionary key but found non-name object; inserting key /QPDFFake2
WARNING: issue-335a.pdf (trailer, offset 21936): expected dictionary key but found non-name object; inserting key /QPDFFake3
WARNING: issue-335a.pdf (trailer, offset 21936): expected dictionary key but found non-name object; inserting key /QPDFFake4
WARNING: issue-335a.pdf (trailer, offset 21936): expected dictionary key but found non-name object; inserting key /QPDFFake5
WARNING: issue-335a.pdf (trailer, offset 21936): expected dictionary key but found non-name object; inserting key /QPDFFake6
WARNING: issue-335a.pdf (trailer, offset 21936): dictionary has duplicated key /Length; last occurrence overrides earlier ones
WARNING: issue-335a.pdf (trailer, offset 21936): expected dictionary key but found non-name object; inserting key /QPDFFake7
WARNING: issue-335a.pdf (trailer, offset 21936): expected dictionary key but found non-name object; inserting key /QPDFFake8
WARNING: issue-335a.pdf (trailer, offset 21936): expected dictionary key but found non-name object; inserting key /QPDFFake9
WARNING: issue-335a.pdf (trailer, offset 21932): stream dictionary lacks /Length key
WARNING: issue-335a.pdf (trailer, offset 22052): attempting to recover stream length
WARNING: issue-335a.pdf (trailer, offset 22052): unable to recover stream data; treating stream as empty
WARNING: issue-335a.pdf (trailer, offset 22000): invalid character (t) in hexstring
WARNING: issue-335a.pdf (trailer, offset 22088): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 22087): expected dictionary key but found non-name object; inserting key /QPDFFake1
WARNING: issue-335a.pdf (trailer, offset 22083): stream dictionary lacks /Length key
WARNING: issue-335a.pdf (trailer, offset 22136): attempting to recover stream length
WARNING: issue-335a.pdf (trailer, offset 22136): unable to recover stream data; treating stream as empty
WARNING: issue-335a.pdf (trailer, offset 22178): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 22190): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 22202): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 22218): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 22201): expected dictionary key but found non-name object; inserting key /QPDFFake1
WARNING: issue-335a.pdf (trailer, offset 22201): expected dictionary key but found non-name object; inserting key /QPDFFake2
WARNING: issue-335a.pdf (trailer, offset 22230): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 22238): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 22177): expected dictionary key but found non-name object; inserting key /QPDFFake1
WARNING: issue-335a.pdf (trailer, offset 22177): expected dictionary key but found non-name object; inserting key /QPDFFake2
WARNING: issue-335a.pdf (trailer, offset 22177): expected dictionary key but found non-name object; inserting key /QPDFFake3
WARNING: issue-335a.pdf (trailer, offset 22177): expected dictionary key but found non-name object; inserting key /QPDFFake4
WARNING: issue-335a.pdf (trailer, offset 22177): expected dictionary key but found non-name object; inserting key /QPDFFake5
WARNING: issue-335a.pdf (trailer, offset 22276): stream keyword followed by carriage return only
WARNING: issue-335a.pdf (trailer, offset 22173): stream dictionary lacks /Length key
WARNING: issue-335a.pdf (trailer, offset 22276): attempting to recover stream length
WARNING: issue-335a.pdf (trailer, offset 22276): unable to recover stream data; treating stream as empty
WARNING: issue-335a.pdf (trailer, offset 22202): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 22218): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 22201): expected dictionary key but found non-name object; inserting key /QPDFFake1
WARNING: issue-335a.pdf (trailer, offset 22201): expected dictionary key but found non-name object; inserting key /QPDFFake2
WARNING: issue-335a.pdf (trailer, offset 22197): stream dictionary lacks /Length key
WARNING: issue-335a.pdf (trailer, offset 22238): attempting to recover stream length
WARNING: issue-335a.pdf (trailer, offset 22238): unable to recover stream data; treating stream as empty
WARNING: issue-335a.pdf (trailer, offset 22327): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 22336): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 22338): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 22355): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 22360): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 22326): expected dictionary key but found non-name object; inserting key /QPDFFake1
WARNING: issue-335a.pdf (trailer, offset 22326): expected dictionary key but found non-name object; inserting key /QPDFFake2
WARNING: issue-335a.pdf (trailer, offset 22326): expected dictionary key but found non-name object; inserting key /QPDFFake3
WARNING: issue-335a.pdf (trailer, offset 22326): expected dictionary key but found non-name object; inserting key /QPDFFake4
WARNING: issue-335a.pdf (trailer, offset 22326): expected dictionary key but found non-name object; inserting key /QPDFFake5
WARNING: issue-335a.pdf (trailer, offset 22322): /Length key in stream dictionary is not an integer
WARNING: issue-335a.pdf (trailer, offset 22373): attempting to recover stream length
WARNING: issue-335a.pdf (trailer, offset 22373): unable to recover stream data; treating stream as empty
WARNING: issue-335a.pdf (trailer, offset 22437): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 22436): expected dictionary key but found non-name object; inserting key /QPDFFake1
WARNING: issue-335a.pdf (trailer, offset 22432): stream dictionary lacks /Length key
WARNING: issue-335a.pdf (trailer, offset 22484): attempting to recover stream length
WARNING: issue-335a.pdf (trailer, offset 22484): unable to recover stream data; treating stream as empty
WARNING: issue-335a.pdf (trailer, offset 22650): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 22656): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 22675): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 22687): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 22690): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 22702): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 22701): expected dictionary key but found non-name object; inserting key /QPDFFake1
WARNING: issue-335a.pdf (trailer, offset 22740): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 22748): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 22761): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 22791): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 22794): unexpected >
WARNING: issue-335a.pdf (trailer, offset 22796): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 22804): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 22686): expected dictionary key but found non-name object; inserting key /QPDFFake1
WARNING: issue-335a.pdf (trailer, offset 22686): expected dictionary key but found non-name object; inserting key /QPDFFake2
WARNING: issue-335a.pdf (trailer, offset 22686): expected dictionary key but found non-name object; inserting key /QPDFFake3
WARNING: issue-335a.pdf (trailer, offset 22686): expected dictionary key but found non-name object; inserting key /QPDFFake4
WARNING: issue-335a.pdf (trailer, offset 22686): expected dictionary key but found non-name object; inserting key /QPDFFake5
WARNING: issue-335a.pdf (trailer, offset 22686): expected dictionary key but found non-name object; inserting key /QPDFFake6
WARNING: issue-335a.pdf (trailer, offset 22686): expected dictionary key but found non-name object; inserting key /QPDFFake7
WARNING: issue-335a.pdf (trailer, offset 22686): expected dictionary key but found non-name object; inserting key /QPDFFake8
WARNING: issue-335a.pdf (trailer, offset 22686): expected dictionary key but found non-name object; inserting key /QPDFFake9
WARNING: issue-335a.pdf (trailer, offset 22686): expected dictionary key but found non-name object; inserting key /QPDFFake10
WARNING: issue-335a.pdf (trailer, offset 22686): expected dictionary key but found non-name object; inserting key /QPDFFake11
WARNING: issue-335a.pdf (trailer, offset 22810): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 22817): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 22817): too many errors; giving up on reading object
WARNING: issue-335a.pdf (trailer, offset 22687): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 22690): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 22702): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 22701): expected dictionary key but found non-name object; inserting key /QPDFFake1
WARNING: issue-335a.pdf (trailer, offset 22740): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 22748): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 22761): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 22791): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 22794): unexpected >
WARNING: issue-335a.pdf (trailer, offset 22796): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 22804): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 22686): expected dictionary key but found non-name object; inserting key /QPDFFake1
WARNING: issue-335a.pdf (trailer, offset 22686): expected dictionary key but found non-name object; inserting key /QPDFFake2
WARNING: issue-335a.pdf (trailer, offset 22686): expected dictionary key but found non-name object; inserting key /QPDFFake3
WARNING: issue-335a.pdf (trailer, offset 22686): expected dictionary key but found non-name object; inserting key /QPDFFake4
WARNING: issue-335a.pdf (trailer, offset 22686): expected dictionary key but found non-name object; inserting key /QPDFFake5
WARNING: issue-335a.pdf (trailer, offset 22686): expected dictionary key but found non-name object; inserting key /QPDFFake6
WARNING: issue-335a.pdf (trailer, offset 22686): expected dictionary key but found non-name object; inserting key /QPDFFake7
WARNING: issue-335a.pdf (trailer, offset 22686): expected dictionary key but found non-name object; inserting key /QPDFFake8
WARNING: issue-335a.pdf (trailer, offset 22686): expected dictionary key but found non-name object; inserting key /QPDFFake9
WARNING: issue-335a.pdf (trailer, offset 22686): expected dictionary key but found non-name object; inserting key /QPDFFake10
WARNING: issue-335a.pdf (trailer, offset 22686): expected dictionary key but found non-name object; inserting key /QPDFFake11
WARNING: issue-335a.pdf (trailer, offset 22817): stream keyword followed by carriage return only
WARNING: issue-335a.pdf (trailer, offset 22682): stream dictionary lacks /Length key
WARNING: issue-335a.pdf (trailer, offset 22817): attempting to recover stream length
WARNING: issue-335a.pdf (trailer, offset 22817): unable to recover stream data; treating stream as empty
WARNING: issue-335a.pdf (trailer, offset 22702): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 22701): expected dictionary key but found non-name object; inserting key /QPDFFake1
WARNING: issue-335a.pdf (trailer, offset 22697): stream dictionary lacks /Length key
WARNING: issue-335a.pdf (trailer, offset 22748): attempting to recover stream length
WARNING: issue-335a.pdf (trailer, offset 22748): unable to recover stream data; treating stream as empty
WARNING: issue-335a.pdf (trailer, offset 22845): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 22869): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 22844): expected dictionary key but found non-name object; inserting key /QPDFFake1
WARNING: issue-335a.pdf (trailer, offset 22844): expected dictionary key but found non-name object; inserting key /QPDFFake2
WARNING: issue-335a.pdf (trailer, offset 22844): expected dictionary key but found non-name object; inserting key /QPDFFake3
WARNING: issue-335a.pdf (trailer, offset 22898): expected endstream
WARNING: issue-335a.pdf (trailer, offset 22882): attempting to recover stream length
WARNING: issue-335a.pdf (trailer, offset 22882): unable to recover stream data; treating stream as empty
WARNING: issue-335a.pdf (trailer, offset 23098): invalid character (t) in hexstring
WARNING: issue-335a.pdf (trailer, offset 23101): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 23108): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 23130): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 23147): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 23155): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 23155): too many errors; giving up on reading object
WARNING: issue-335a.pdf (trailer, offset 23108): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 23130): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 23147): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 23155): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 23196): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 23324): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (trailer, offset 23324): too many errors; giving up on reading object
WARNING: issue-335a.pdf (trailer, offset 23411): dictionary ended prematurely; using null as value for last key
WARNING: issue-335a.pdf (object 5 0, offset 23451): invalid character (ÿ) in hexstring
WARNING: issue-335a.pdf (object 5 0, offset 23458): unknown token while reading object; treating as string
WARNING: issue-335a.pdf (object 5 0, offset 23444): expected dictionary key but found non-name object; inserting key /QPDFFake1
WARNING: issue-335a.pdf (object 5 0, offset 23444): expected dictionary key but found non-name object; inserting key /QPDFFake2
WARNING: issue-335a.pdf (object 5 0, offset 23440): stream dictionary lacks /Length key
WARNING: issue-335a.pdf (object 5 0, offset 23485): attempting to recover stream length
WARNING: issue-335a.pdf (object 5 0, offset 23485): unable to recover stream data; treating stream as empty
WARNING: issue-335a.pdf (object 5 0, offset 24974): expected endobj
WARNING: issue-335a.pdf (object 5 0, offset 24974): EOF after endobj
WARNING: issue-335a.pdf (trailer, offset 20747): stream keyword found in trailer
qpdf: issue-335a.pdf: unable to find /Root dictionary