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410 Commits

Author SHA1 Message Date
Jay Berkenbilt
42306e2ff8 QUtil: add unsigned int/string functions 2019-06-21 13:17:21 -04:00
Jay Berkenbilt
a66828caff New safe type converters in QIntC 2019-06-21 13:17:21 -04:00
Marco Scarpetta
b405e5e1c9 Fix typo (#334) 2019-06-12 14:21:33 -04:00
jbarlow83
2efec4ce7b Fix C++ exception handling when -fvisibility=hidden (#302) 
Fix C++ exception handling when -fvisibility=hidden

Ensure that QPDFExc and QPDFSystemError are marked visible, so that their typeinfo will not be
suppressed when -fvisibility=hidden.

Details:
    https://gcc.gnu.org/wiki/Visibility
 2019-03-11 18:28:29 -04:00
Thorsten Schöning
2a852f08b6 [bcc32 Error] QPDF.hh(803): E2247 'QPDF::Members::resolving' is not accessible 
Full parser context
    QPDF.cc(2): #include ..\..\..\..\src\include\qpdf\QPDF.hh
    QPDF.hh(48): class QPDF
    QPDF.hh(1380): decision to instantiate:  QPDF::ResolveRecorder::ResolveRecorder(QPDF *,const QPDFObjGen &)
    --- Resetting parser context for instantiation...
    QPDF.hh(799): parsing:  QPDF::ResolveRecorder::ResolveRecorder(QPDF *,const QPDFObjGen &)
 2019-03-11 17:07:01 -04:00
Thorsten Schöning
1449d82ae4 [bcc32 Error] QPDFObjectHandle.hh(911): E2247 'QPDFObjectHandle::Members::obj' is not accessible 
Full parser context
    Pl_QPDFTokenizer.cc(1): #include ..\..\..\..\src\include\qpdf\Pl_QPDFTokenizer.hh
    Pl_QPDFTokenizer.hh(29): #include ..\..\..\..\src\include\qpdf/QPDFObjectHandle.hh
    QPDFObjectHandle.hh(51): class QPDFObjectHandle
    QPDFObjectHandle.hh(1052): decision to instantiate: PointerHolder<QPDFObject> QPDFObjectHandle::ObjAccessor::getObject(QPDFObjectHandle &)
    --- Resetting parser context for instantiation...
    QPDFObjectHandle.hh(909): parsing: PointerHolder<QPDFObject> QPDFObjectHandle::ObjAccessor::getObject(QPDFObjectHandle &)
 2019-03-11 17:07:01 -04:00
Thorsten Schöning
86287acfd9 [bcc32 Error] QPDF.hh(223): E2303 Type name expected 
Full parser context
    QPDF.cc(2): #include ..\..\..\..\src\include\qpdf\QPDF.hh
    QPDF.hh(47): class QPDF
 2019-03-11 16:57:16 -04:00
Thorsten Schöning
9b3314042a [bcc32 Error] QPDF.hh(203): E2316 'vector' is not a member of 'std' 
Full parser context
    QPDF.cc(2): #include ..\..\..\..\src\include\qpdf\QPDF.hh
    QPDF.hh(46): class QPDF
 2019-03-11 16:57:16 -04:00
Jay Berkenbilt
fec5bb124c Spell check 2019-01-31 21:41:29 -05:00
Jay Berkenbilt
eb49e07c0a Make inline image token exactly contain the image data 
Do not include the trailing EI, and handle cases where EI is not
preceded by a delimiter. Such cases have been seen in the wild.
 2019-01-31 20:28:44 -05:00
Jay Berkenbilt
5211bcb5ea Externalize inline images (fixes #278) 2019-01-31 10:38:13 -05:00
Jay Berkenbilt
1eb35a355f Exclude space after ID in image data 2019-01-31 10:38:10 -05:00
Jay Berkenbilt
2b6c79bcae Improve locating inline image's EI 
We've actually seen a PDF file in the wild that contained EI
surrounded by delimiters inside the image data, which confused qpdf's
naive code. This significantly improves EI detection.
 2019-01-31 09:26:37 -05:00
Jay Berkenbilt
ec9e310c9e Refactor QPDFTokenizer's inline image handling 
Add a version of expectInlineImage that takes an input source and
searches for EI. This is in preparation for improving the way EI is
found. This commit just refactors the code without changing the
functionality and adds tests to make sure the old and new code behave
identically.
 2019-01-31 09:26:37 -05:00
Jay Berkenbilt
b776dcd2d3 Clean up some private functions 2019-01-29 22:14:20 -05:00
Jay Berkenbilt
2d0885bc11 Clarify documentation for copyForeignObject regarding pages 
Make explicit that copyForeignObject can be used on page objects and
will copy them properly but not update the pages tree.
 2019-01-28 21:53:55 -05:00
Jay Berkenbilt
52f9d326a5 Resolve duplicated page objects (fixes #268) 
When linearizing a file or getting the list of all pages in a file,
detect if the pages tree contains a duplicated page object and, if so,
shallow copy it. This makes it possible to have a one to one mapping
of page positions to page objects.
 2019-01-28 20:29:58 -05:00
Jay Berkenbilt
623f5b664e Convert pages to form XObjects 
Support conversion of pages to form XObjects and placement of form
XObjects on pages.
 2019-01-27 07:50:30 -05:00
Jay Berkenbilt
8cb245739c Add QPDFObjectHandle::getUniqueResourceName 2019-01-27 07:50:30 -05:00
Jay Berkenbilt
009767d97a Handle inheritable page attributes 
Add getAttribute for handling inheritable page attributes, and fix
getPageImages and annotation flattening code to use it.
 2019-01-25 22:30:05 -05:00
Jay Berkenbilt
e1271361c5 Add documentation for features since 8.3.0 2019-01-19 15:58:51 -05:00
Jay Berkenbilt
c18ee440a3 mingw workaround for QPDFExc destructor 
mingw doesn't like it when you don't inline empty virtual destructors.
 2019-01-19 10:14:07 -05:00
Jay Berkenbilt
e87d149918 Add QUtil::possible_repaired_encodings 2019-01-17 11:43:56 -05:00
Jay Berkenbilt
6ec22f117d Modernize encryption API for more granularity 
Setting encryption permissions for R >= 3 set permission bits in
groups corresponding to menu options in Acrobat 5. The new API allows
the bits to be set individually.
 2019-01-17 11:43:56 -05:00
Jay Berkenbilt
4630377731 Add status-reporting transcoders to QUtil 2019-01-17 11:43:56 -05:00
Jay Berkenbilt
8f389f14c0 QUtil::analyze_encoding 2019-01-17 11:43:56 -05:00
Jay Berkenbilt
698485468a Move remaining existing transcoding to QUtil 2019-01-17 11:43:56 -05:00
Jay Berkenbilt
654c0e8caf Allow adding the same page more than once in --pages (fixes #272) 2019-01-12 10:01:47 -05:00
Jay Berkenbilt
5f128b9a27 Fix version number in comment 2019-01-11 07:46:53 -05:00
Jay Berkenbilt
d24a120c7f Add QPDF::setImmediateCopyFrom 2019-01-10 22:35:08 -05:00
Jay Berkenbilt
3472f6c984 Update copyrights for 2019 2019-01-07 07:54:55 -05:00
Jay Berkenbilt
fddbcab0e7 Mostly don't require original QPDF for copyForeignObject (fixes #219) 
The original QPDF is only required now when the source
QPDFObjectHandle is a stream that gets its stream data from a
QPDFObjectHandle::StreamDataProvider.
 2019-01-07 00:11:15 -05:00
Jay Berkenbilt
fbbb0ee016 Make a static version of QPDF::pipeStreamData 
This is in preparation of being able to pipe a stream's data without
keeping a copy of its containing qpdf object.
 2019-01-07 00:11:15 -05:00
Jay Berkenbilt
7588cac295 Create an application-scope unique ID for each QPDF object 
Use this instead of QPDF* as a map key for object_copiers.
 2019-01-07 00:11:15 -05:00
Jay Berkenbilt
e27ac682e0 Move encryption parameters into a class 2019-01-06 09:58:16 -05:00
Jay Berkenbilt
a70fbaaf50 Honor other base encodings when generating appearances 2019-01-05 23:01:59 -05:00
Jay Berkenbilt
b341d742db Add WinAnsi and MacRoman encoding 2019-01-05 23:01:44 -05:00
Jay Berkenbilt
089ce5902e Move utf8_to_utf16 into QUtil 2019-01-05 22:59:27 -05:00
Jay Berkenbilt
2e342ee5bb Spell check 2019-01-04 21:33:14 -05:00
Jay Berkenbilt
ee2aad4381 Add CLI flags for image optimization 2019-01-04 21:33:14 -05:00
Jay Berkenbilt
16fd6e64f9 Add QPDFWriter::getFinalVersion (fixes #266) 2019-01-04 12:37:22 -05:00
Jay Berkenbilt
837dcf8fc2 Don't call assert while checking linearization data (fixes #209, #231) 
Instead of calling assert for problems found during checking
linearization data, throw an exception which is later caught and
issued as an error. Ideally we would handle errors more robustly, but
this is still a significant improvement.
 2019-01-04 11:55:42 -05:00
Jay Berkenbilt
a01359189b Fix dangling references (fixes #240) 
On certain operations, such as iterating through all objects and
adding new indirect objects, walk through the entire object structure
and explicitly resolve any indirect references to non-existent
objects. That prevents new objects from springing into existence and
causing the previously dangling references to point to them.
 2019-01-04 10:29:29 -05:00
Jay Berkenbilt
158156d506 Add basic appearance stream generation 2019-01-04 08:00:19 -05:00
Jay Berkenbilt
02281632cc Add QUtil::utf8_to_ascii 2019-01-03 23:18:13 -05:00
Jay Berkenbilt
b55567a0fa Add special case setV code for button fields 2019-01-03 23:18:13 -05:00
Jay Berkenbilt
e3144ac417 Add form fields to json output 
Also add some additional methods for detecting form field types to
assist in the json creation and for later use.
 2019-01-03 23:18:13 -05:00
Jay Berkenbilt
ca94ac68d9 Honor flags when flattening annotations 2019-01-03 11:59:55 -05:00
Jay Berkenbilt
f78ea057ca Switch annotation flattening to use the form xobjects 
Instead of directly putting the contents of the annotation appearance
streams into the page's content stream, add commands to render the
form xobjects directly. This is a more robust way to do it than the
original solution as it works properly with patterns and avoids
problems with resource name clashes between the pages and the form
xobjects.
 2019-01-02 21:49:47 -05:00
Jay Berkenbilt
3b8ce4f12a Annotation flattening including form fields 
Flatten annotations by integrating their appearance streams into the
content stream of the containing page. In the case of form fields,
only flatten if /NeedAppearance is false (or equivalently absent). If
flattening form fields, also remove /AcroForm from the document
catalog.
 2019-01-01 08:14:15 -05:00
Jay Berkenbilt
95d6b17a89 Add QPDFObjectHandle::mergeDictionary() 2019-01-01 08:12:56 -05:00
Jay Berkenbilt
104fd6da52 Add matrix and annotation appearance stream handling 
Generate page content fragment for rendering appearance streams
including all matrix calculation.
 2019-01-01 08:07:21 -05:00
Jay Berkenbilt
5059ec0d35 Add Matrix class under QPDFObjectHandle 2018-12-31 23:02:43 -05:00
Jay Berkenbilt
3440ea7d3c JSON::serialize -> unparse 
Unparse is admittedly strange, but I'd rather be strange and
consistent, and everything else in the qpdf library uses unparse to
serialize. (If you're reading this, the convention of using "unparse"
comes from the "clu" programming language.)
 2018-12-25 11:52:21 -05:00
Jay Berkenbilt
fa3664357b Move numrange code from qpdf.cc to QUtil.cc 
Also move tests to libtests.
 2018-12-21 19:11:57 -05:00
Jay Berkenbilt
d5d179f441 Add document and object helpers for outlines (bookmarks) 2018-12-21 19:11:57 -05:00
Jay Berkenbilt
30a0c070e4 Add QPDFObjectHandle::getJSON() 2018-12-21 18:34:56 -05:00
Jay Berkenbilt
651179b5da Add simple JSON serializer 2018-12-21 18:34:56 -05:00
Jay Berkenbilt
0776c00129 Add QPDFNameTreeObjectHelper 2018-12-21 18:34:56 -05:00
Jay Berkenbilt
d2f3975948 Add missing virtual destructors to all helper classes 2018-12-21 18:34:56 -05:00
Jay Berkenbilt
6ef9e31233 Add QPDFPageLabelDocumentHelper 2018-12-18 16:59:24 -05:00
Jay Berkenbilt
f38df27aa3 Add QPDFNumberTreeObjectHelper 2018-12-18 16:46:10 -05:00
Jay Berkenbilt
077d3d4512 Add QPDFObjectHandle::wrapInArray() 
Wrap an object in an array if it is not already an array.
 2018-12-18 16:45:48 -05:00
Jay Berkenbilt
9caf005d89 Fix typo in header file 2018-12-18 16:27:36 -05:00
Jay Berkenbilt
b4bdc42b4f New exception class QPDFSystemError (fixes #221) 2018-08-13 20:01:51 -04:00
Jay Berkenbilt
3873f5fd9b Protect headers with compliant identifiers (fixes #233) 2018-08-12 14:10:32 -04:00
Jay Berkenbilt
4a4736c695 Fix EOL handling inside strings (fixes #226) 
CR, CRLF, and LF are all supposed to be treated as LF; only one EOL is
to be ignored after backslash.
 2018-08-05 20:48:35 -04:00
Jay Berkenbilt
651b51f056 Add QPDF_DLL to public destructors (fixes #220) 
A few public destructors were missing QPDF_DLL, which could cause some
Windows applications to fail to link.
 2018-08-04 20:08:06 -04:00
Jay Berkenbilt
4f4c627b77 ClosedFileInputSource: add method to keep file open 
During periods of intensive operation on a specific file, this method
can reduce the overhead of repeated open/close operations.
 2018-08-04 19:52:46 -04:00
Jay Berkenbilt
5db39a681a Windows fixes 2018-06-22 17:01:18 -04:00
Jay Berkenbilt
d34ab8a936 spell check 2018-06-22 16:14:54 -04:00
Jay Berkenbilt
a433ed24f9 Add progress reporting for QPDFWriter (fixes #200) 2018-06-22 16:14:54 -04:00
Jay Berkenbilt
2a82f6e1e0 Add method to get count of objects in QPDF 2018-06-22 15:53:40 -04:00
Jay Berkenbilt
4ccc8b1a44 Add ClosedFileInputSource 
ClosedFileInputSource is an input source that keeps the file closed
when not reading it.
 2018-06-22 12:52:45 -04:00
Jay Berkenbilt
6c89d4b35b When splitting files, remove unreferenced objects (fixes #203) 2018-06-21 21:03:30 -04:00
Jay Berkenbilt
ddd78c1b7f Fix QPDFObjectHandle::shallowCopy 
It's not really a shallow copy. It just doesn't cross indirect object
boundaries. The old implementation had a bug that would cause multiple
shallow copies of the same object to share memory, which was not the
intention.
 2018-06-21 20:34:45 -04:00
Jay Berkenbilt
397b097c46 Allow setting a form field's value 2018-06-21 15:57:13 -04:00
Jay Berkenbilt
952a665a4e Better support for creating Unicode strings 2018-06-21 15:57:13 -04:00
Jay Berkenbilt
e44c395c51 QUtil::toUTF16 2018-06-21 15:57:13 -04:00
Jay Berkenbilt
0b05111db8 Implement helper class for interactive forms 2018-06-21 15:57:13 -04:00
Jay Berkenbilt
2e7ee23bf6 Add QPDFPageDocumentHelper and QPDFPageObjectHelper 
This is the beginning of higher-level API support using helper
classes. The goal is to be able to add more helpers without continuing
to pollute QPDF's and QPDFObjectHandle's public interfaces.
 2018-06-21 15:57:13 -04:00
Jay Berkenbilt
4cded10821 Add QPDFObjectHandle::Rectangle type 
Provide a convenient way of accessing rectangles.
 2018-06-21 15:57:13 -04:00
Jay Berkenbilt
e4e2e26d99 Properly handle pages with no contents (fixes #194) 
Remove calls to assertPageObject(). All cases in the library that
called assertPageObject() work fine if you don't call
assertPageObject() because nothing assumes anything that was being
checked by that call. Removing the calls enables more files to be
successfully processed.
 2018-03-06 11:34:07 -05:00
Jay Berkenbilt
4bb3046f0b Properly handle strings with PDF Doc Encoding (fixes #179) 
The QPDF_String::getUTF8Val() method was not treating strings that
weren't explicitly Unicode as PDF Doc Encoded. This only affects
characters in the range 0x80 through 0xa0.
 2018-02-18 21:06:27 -05:00
Jay Berkenbilt
2780a1871d Add C API for checking PDF files 2018-02-18 21:06:27 -05:00
Jay Berkenbilt
d0e99f195a More robust handling of type errors 
Give objects descriptions and context so it is possible to issue
warnings instead of fatal errors for attempts to access objects of the
wrong type.
 2018-02-18 21:06:27 -05:00
Jay Berkenbilt
21b7481b0e Push members of QPDFObjectHandle into a Members object 
As in other cases, this is to enable adding new member variables in
the future without breaking ABI compatibility.
 2018-02-18 21:06:27 -05:00
Jay Berkenbilt
e410b0fe0d Simplify TokenFilter interface 
Expose Pl_QPDFTokenizer, and have it do more of the work of managing
the token filter's pipeline.
 2018-02-18 21:05:47 -05:00
Jay Berkenbilt
1fdd86a049 Move Pl_QPDFTokenizer to public interface 2018-02-18 21:05:47 -05:00
Jay Berkenbilt
5708b5d0aa Add additional interface for filtering page contents 2018-02-18 21:05:47 -05:00
Jay Berkenbilt
9910104442 Implement TokenFilter and refactor Pl_QPDFTokenizer 
Implement a TokenFilter class and refactor Pl_QPDFTokenizer to use a
TokenFilter class called ContentNormalizer. Pl_QPDFTokenizer is now a
general filter that passes data through a TokenFilter.
 2018-02-18 21:05:46 -05:00
Jay Berkenbilt
b8723e97f4 Add coalesce contents capability 2018-02-18 21:05:46 -05:00
Jay Berkenbilt
fcd611b61e Refactor parseContentStream 2018-02-18 21:05:46 -05:00
Jay Berkenbilt
05ff619b09 Remove redundant method 
Remove a redundant method that was equal to another one with
additional arguments. This breaks binary compatibility, but there are
other ABI breaking changes in the upcoming release, so now is the time
to do it.
 2018-02-18 21:05:46 -05:00
Jay Berkenbilt
fefe25030e Inline image token type 2018-02-18 21:05:46 -05:00
Jay Berkenbilt
2699ecf13e Push QPDFTokenizer members into a nested structure 
This is for protection against future ABI breaking changes.
 2018-02-18 21:05:46 -05:00
Jay Berkenbilt
d97474868d Lexer enhancements: EOF, comment, space 
Significant enhancements to the lexer to improve EOF handling and to
support comments and spaces as tokens. Various other minor issues were
fixed as well.
 2018-02-18 20:18:40 -05:00
Jay Berkenbilt
ebd5ed63de Add option to save pass 1 of lineariziation 
This is useful only for debugging the linearization code.
 2018-02-18 20:18:40 -05:00
Jay Berkenbilt
e3167c1a60 Fix linearization for files with nonstandard ID length 2018-02-04 18:16:23 -05:00
Jay Berkenbilt
aa2cfad61a Clarify some comments 2018-01-28 18:29:47 -05:00
Jay Berkenbilt
569d74d36b Allow raw encryption key to be specified 
Add options to enable the raw encryption key to be directly shown or
specified. Thanks to Didier Stevens <didier.stevens@gmail.com> for the
idea and contribution of one implementation of this idea.
 2018-01-14 10:21:05 -05:00
Jay Berkenbilt
3e306ae64c Add QUtil::hex_decode 2018-01-14 09:04:13 -05:00
Jay Berkenbilt
68572df2bf Update copyright to 2018 2018-01-13 20:25:58 -05:00
Jay Berkenbilt
07c8bb2843 Additionally license under Apache License version 2.0 
The Apache License version 2.0 is now the primary license for qpdf.
However, users may, at their option, continue to use Artistic version
2.0.
 2017-09-14 12:59:25 -04:00
Jay Berkenbilt
d31a7b76e7 Improve message for stream decoding error 
Tweak the message so that we inform the user that we are mitigating
data loss.
 2017-09-12 16:03:48 -04:00
Jay Berkenbilt
eaacf94005 Update C API with new QPDFWriter methods 2017-09-12 14:30:39 -04:00
Jay Berkenbilt
6d46346eb9 Detect integer overflow/underflow 2017-08-29 12:28:32 -04:00
Jay Berkenbilt
e999bbae43 Fix memory leak with bad jpeg data 2017-08-28 22:16:45 -04:00
Jay Berkenbilt
c6872d2c70 Clean up circular references in QPDF_Stream 2017-08-28 22:16:31 -04:00
Jay Berkenbilt
728dc9e6d8 Fix error caught by clang 2017-08-26 21:51:17 -04:00
Jay Berkenbilt
ad527a64f9 Parse iteratively to avoid stack overflow (fixes #146) 2017-08-25 21:56:45 -04:00
Jay Berkenbilt
e452d9dca6 Spell check 2017-08-22 14:22:20 -04:00
Jay Berkenbilt
fabff0f3ec Limit token length during xref recovery 
While scanning the file looking for objects, limit the length of
tokens we allow. This prevents us from getting caught up in reading a
file character by character while digging through large streams.
 2017-08-22 14:13:10 -04:00
Jay Berkenbilt
ce435222b2 Push QPDFWriter member variables into a nested class 2017-08-21 22:04:07 -04:00
Jay Berkenbilt
a8c93bd324 Push QPDF member variables into a nested class 
Pushing member variables into a nested class enables addition of new
member variables without breaking binary compatibility.
 2017-08-21 21:35:11 -04:00
Jay Berkenbilt
8288a4eb3a Update copyright to 2017 2017-08-21 21:18:47 -04:00
Jay Berkenbilt
8ab52fa558 Combine writePCLm with writeStandard 
Reduce code duplication
 2017-08-21 21:05:48 -04:00
Jay Berkenbilt
9f60a864a0 Combine PCLm header into writeHeader 2017-08-21 21:05:47 -04:00
Jay Berkenbilt
4b908ade70 Update header documentation and ChangeLog entry for PCLm 2017-08-21 21:05:44 -04:00
Sahil Arora
b19210fa7d QPDFWriter: Add setPCLm() and writePCLm() methods 
* Add support for PCLm using setPCLm() and writePCLm() methods in
  QPDFWriter.hh and QPDFWriter.cc
* Add a function writePCLmHeader() for PCLm header in QPDFWriter
 2017-08-21 18:55:02 -04:00
Jay Berkenbilt
ddc6cf0cf6 Precheck streams by default 
There is no need for a --precheck-streams option. We can do the
precheck without imposing any penalty, only re-encoding the stream if
it fails the first time.
 2017-08-21 17:44:22 -04:00
Jay Berkenbilt
9744414c66 Enable finer grained control of stream decoding 
This commit adds several API methods that enable control over which
types of filters QPDF will attempt to decode. It also adds support for
/RunLengthDecode and /DCTDecode filters for both encoding and
decoding.
 2017-08-21 17:44:22 -04:00
Jay Berkenbilt
ae90d2c485 Implement Pl_DCT pipeline 
Additional testing is added in later commits to be supported by
additional changes in the library.
 2017-08-21 17:44:02 -04:00
Jay Berkenbilt
2d2f619665 Implement Pl_RunLength pipeline 2017-08-19 14:50:55 -04:00
Jay Berkenbilt
cfa2eb97fb Add page rotation (fixes #132) 2017-08-12 22:57:38 -04:00
Jay Berkenbilt
30f109e244 Read xref table without PCRE 
Also accept more errors than before.
 2017-08-10 21:30:32 -04:00
Jay Berkenbilt
ca5b1d267a Improve stream length recovery 
Eliminate PCRE and find endobj not preceded by endstream. Be more lax
about placement of endstream and endobj.
 2017-08-10 21:30:32 -04:00
Jay Berkenbilt
03aa9679ac Find starxref without PCRE 2017-08-10 21:30:32 -04:00
Jay Berkenbilt
1765c6ec20 Find header without PCRE 2017-08-10 21:30:32 -04:00
Jay Berkenbilt
296b679d6e Implement findFirst and findLast in InputSource 
Preparing to refactor some pattern searching code to use these instead
of their own memchr loops. This should simplify the code that replaces
PCRE.
 2017-08-10 21:30:32 -04:00
Jay Berkenbilt
ef8ae5449d Allow QPDFTokenizer::readToken to return bad tokens 
Sometimes we want to ignore bad tokens rather than having them throw
an exception. A coverage case is commented out here and added in a
later commit.
 2017-08-10 19:01:41 -04:00
Jay Berkenbilt
c5dc6d8067 Remove unused PointerHolder interface 
Also fix a bug resulting from incorrect use of PointerHolder because
of this unused parameter.
 2017-08-10 19:01:38 -04:00
Jay Berkenbilt
8fe261d8b4 QUtil::strcasecmp 2017-08-05 10:22:33 -04:00
Jay Berkenbilt
2d5b854468 Allow reading command-line args from files (fixes #16) 2017-07-29 22:23:21 -04:00
Jay Berkenbilt
5993c3e83c Detect input file = output file (fixes #29) 2017-07-29 20:58:01 -04:00
Jay Berkenbilt
f37d399d82 Add newline-before-endstream option (fixes #103) 2017-07-29 12:21:38 -04:00
Jay Berkenbilt
b389268f16 Better handle split content streams (fixes #73) 
When parsing content streams, allow content to be split arbitrarily
across stream boundaries.
 2017-07-29 12:19:04 -04:00
Jay Berkenbilt
4647acbe3c Clarify documentation on copyForeignObject (fixes #69) 
Be explicit about the need to keep the source QPDF object around.
 2017-07-29 12:19:04 -04:00
Jay Berkenbilt
3a1ff5ded9 Add option to preserve unreferenced objects 2017-07-28 19:19:11 -04:00
Jay Berkenbilt
7f8892525f Add precheck streams capability 
When requested, QPDFWriter will do more aggress prechecking of streams
to make sure it can actually succeed in decoding them before
attempting to do so. This will allow preservation of raw data even
when the raw data is corrupted relative to the specified filters.
 2017-07-27 23:42:27 -04:00
Jay Berkenbilt
a4fd4b91c6 Convert stream filtering errors to warnings 2017-07-27 18:43:07 -04:00
Jay Berkenbilt
40f00122b8 Convert object parsing errors to warnings 
QPDFObjectHandle::parseInternal now issues warnings instead of
throwing exceptions for all error conditions that it finds (except
internal logic errors) and has stronger recovery for things like
invalid tokens and malformed dictionaries. This should improve qpdf's
ability to recover from a wide range of broken files that currently
cause it to fail.
 2017-07-27 18:20:31 -04:00
Jay Berkenbilt
dd8dad74f4 Move lexer helper functions to QUtil 2017-07-27 13:59:56 -04:00
Jay Berkenbilt
701b518d5c Detect recursion loops resolving objects (fixes #51) 
During parsing of an object, sometimes parts of the object have to be
resolved. An example is stream lengths. If such an object directly or
indirectly points to the object being parsed, it can cause an infinite
loop. Guard against all cases of re-entrant resolution of objects.
 2017-07-26 06:24:07 -04:00
Jay Berkenbilt
315092dd98 Avoid xref reconstruction infinite loop (fixes #100) 
This is CVE-2017-9209.
 2017-07-26 06:24:07 -04:00
Jay Berkenbilt
bd6c845619 Fix typo in comment 2017-07-26 06:24:07 -04:00
Thorsten Schöning
7c08aa4280 Include QPDFExc.hh for use in std::list 2016-01-24 12:07:03 -05:00
Thorsten Schöning
e0201c12cc Include QPDFObjectHandle for use in std::list 
QPDFObjectHandle was used as forward declaration, but C++-Builder 10
Seattle can't use it in std::list in such cases because the type is
undefined.
 2016-01-24 12:04:25 -05:00
Jay Berkenbilt
e0e9d64674 Remove some ABI compatibility private methods 
Since we have to bump soname, remove some private methods that were
just there for binary compatibility
 2015-11-10 12:22:40 -05:00
Jay Berkenbilt
0496ab1a6e Fix spelling errors 2015-10-31 18:56:43 -04:00