Jay Berkenbilt
dea704f0ab
Pad keys to avoid memory errors ( fixes #147 )
2017-08-26 21:35:59 -04:00
Jay Berkenbilt
021c229331
Fix Pl_Flate memory leak on error ( fixes #148 )
2017-08-25 22:26:53 -04:00
Jay Berkenbilt
ad527a64f9
Parse iteratively to avoid stack overflow ( fixes #146 )
2017-08-25 21:56:45 -04:00
Jay Berkenbilt
85f05cc57f
Detect xref pointer infinite loop ( fixes #149 )
2017-08-25 19:58:31 -04:00
Jay Berkenbilt
1e52d33822
Bump soname to 18 and version to 7.0.b1
2017-08-22 16:50:48 -04:00
Jay Berkenbilt
e452d9dca6
Spell check
2017-08-22 14:22:20 -04:00
Jay Berkenbilt
6219111ed7
Update references to README files
...
Most of the README files have been renamed. Refer to the new names.
2017-08-22 14:13:10 -04:00
Jay Berkenbilt
83ec09f66c
Do memory checks
...
Slightly improve memory cleanup in Pl_DCT
Make it easier to test with valgrind
2017-08-22 14:13:10 -04:00
Jay Berkenbilt
fabff0f3ec
Limit token length during xref recovery
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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
caf5e39c2e
Fix compiler warnings for clang/mac OS X
2017-08-22 14:13:10 -04:00
Jay Berkenbilt
6884ad2ead
Fix logic error in recovery
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A stray semicolon caused a condition to be incorrectly applied during
stream length recovery.
2017-08-22 07:19:41 -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
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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
198856a825
Improve pclm parameter settings
2017-08-21 21:05:48 -04:00
Jay Berkenbilt
8ab52fa558
Combine writePCLm with writeStandard
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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
adbcfcff2d
Remove duplicated coverage cases
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Remove duplicated coverage cases from Sahil's code so existing test
suite passes.
2017-08-21 18:55:02 -04:00
Sahil Arora
b19210fa7d
QPDFWriter: Add setPCLm() and writePCLm() methods
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* 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
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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
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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
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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
8249a26d69
Fix infinite loop in QPDFWriter ( fixes #143 )
2017-08-12 08:36:36 -04:00
Jay Berkenbilt
36b3fe5af7
Fix --newline-before-endstream option ( fixes #133 )
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Add a newline unconditionally before endstream even if a newline was
already written as part of the stream data.
2017-08-11 20:57:05 -04:00
Jay Berkenbilt
46611f0710
Prevent a division by zero error ( fixes #141 )
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Bad /W in an xref stream could cause a division by zero error. Now
this is handled as a special case.
2017-08-11 20:11:19 -04:00
Jay Berkenbilt
8fe0b06cd8
Pad encryption parameters that are too short ( fixes #96 )
2017-08-11 19:53:56 -04:00
Jay Berkenbilt
e7d0019bf4
Generate libqpdf.map from autoconf
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Rather than checking consistency of libqpdf.map, generate it.
2017-08-11 04:56:22 -04:00
Jay Berkenbilt
6247aaa57c
Fix libqpdf.map and prevent future breakage
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The build now checks to make sure libqpdf.map has the right library
version number in it.
2017-08-10 21:53:19 -04:00
Jay Berkenbilt
9a96e233b0
Remove PCRE
2017-08-10 21:30:32 -04:00
Jay Berkenbilt
30f109e244
Read xref table without PCRE
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Also accept more errors than before.
2017-08-10 21:30:32 -04:00
Jay Berkenbilt
98a843c2a2
Reconstruct xref without PCRE
2017-08-10 21:30:32 -04:00
Jay Berkenbilt
ca5b1d267a
Improve stream length recovery
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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
3082e4e606
Find xref without PCRE
2017-08-10 21:30:32 -04:00
Jay Berkenbilt
90840be594
Find lindict without PCRE
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
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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
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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
8fe261d8b4
QUtil::strcasecmp
2017-08-05 10:22:33 -04:00
Pranjal Bhor
6f88fd36ab
Include missing header in QPDFTokenizer.cc ( fixes #125 )
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Required for strtol()
2017-07-30 08:47:05 -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
570db9b60b
Catch more exceptions while resolving objects
2017-07-29 19:31:12 -04:00
Jay Berkenbilt
b43a0ac237
When recover stream length, indicate the length ( fixes #44 )
2017-07-29 19:15:06 -04:00
Jay Berkenbilt
f37d399d82
Add newline-before-endstream option ( fixes #103 )
2017-07-29 12:21:38 -04:00
Jay Berkenbilt
6a7d53ad2b
Handle zlib data errors better ( fixes #106 )
2017-07-29 12:19:04 -04:00
Jay Berkenbilt
07d6f770b2
Better recovery of bad stream start ( fixes #104 )
2017-07-29 12:19:04 -04:00
Jay Berkenbilt
b389268f16
Better handle split content streams ( fixes #73 )
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When parsing content streams, allow content to be split arbitrarily
across stream boundaries.
2017-07-29 12:19:04 -04:00
Jay Berkenbilt
a136824243
Fix exception catch
2017-07-29 12:19:04 -04:00
