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132 Commits

Author SHA1 Message Date
Jay Berkenbilt 3794f8e2ad Support OpenSSL 3 (fixes #568) 2021-11-04 18:24:54 -04:00
Jay Berkenbilt 36c7c20819 Fix timezone portability issue (fixes #515) 2021-04-17 18:12:55 -04:00
Jay Berkenbilt 258675fc99 Move ABI comment to the right place 2021-04-03 11:43:08 -04:00
Jay Berkenbilt f68e25c7f2 Don't use handleWarning, which is being reverted 2021-03-04 15:59:45 -05:00
Jay Berkenbilt e17585c2d2 Remove unreferenced: ignore names that are not Fonts or XObjects 
Converted ResourceFinder to ParserCallbacks so we can better detect
the name that precedes various operators and use the operators to sort
the names into resource types. This enables us to be smarter about
detecting unreferenced resources in pages and also sets the stage for
reconciling differences in /DR across documents.
 2021-03-03 17:05:49 -05:00
Jay Berkenbilt 37fcc5ff71 Create ResourceFinder from NameWatcher in QPDFPageObjectHelper 2021-03-03 17:05:49 -05:00
Jay Berkenbilt e2593e2efe Move QPDFMatrix into the public API 2021-02-13 02:30:00 -05:00
Jay Berkenbilt 07f40bd254 QUtil::double_to_string: trim trailing zeroes with option to disable 2021-02-13 02:30:00 -05:00
Jay Berkenbilt df067c9ab6 Add autoconf test for localtime_r 2021-02-11 14:26:55 -05:00
Jay Berkenbilt 1b3f84f967 Require C++14 instead of C++11 2021-02-10 16:27:58 -05:00
Jay Berkenbilt 50decc9bb8 name/number tree: explicitly declare default destructors 2021-01-29 15:46:54 -05:00
Jay Berkenbilt 8ed3e8c79b NNTree: rework iterators to be more memory efficient 
Keep a std::pair internal to the iterators so that operator* can
return a reference and operator-> can work, and each can work without
copying pairs of objects around.
 2021-01-26 09:12:23 -05:00
Jay Berkenbilt e7e20772ed name/number trees: remove 2021-01-26 09:12:23 -05:00
Jay Berkenbilt b5614f611d Implement repair and insert for name/number trees 2021-01-24 19:31:45 -05:00
Jay Berkenbilt d61ffb65d0 Add new constructors for name/number tree helpers 
Add constructors that take a QPDF object so we can issue warnings and
create new indirect objects.
 2021-01-24 03:27:26 -05:00
Jay Berkenbilt 4a1cce0a47 Reimplement name and number tree object helpers 
Create a computationally and memory efficient implementation of name
and number trees that does binary searches as intended by the data
structure rather than loading into a map, which can use a great deal
of memory and can be very slow.
 2021-01-24 03:22:51 -05:00
Jay Berkenbilt 12ecd2019a Add QPDFObjectHandle::setFilterOnWrite 2020-12-28 12:58:19 -05:00
Jay Berkenbilt 39bfa01307 Implement user-provided stream filters 
Refactor QPDF_Stream to use stream filter classes to handle supported
stream filters as well.
 2020-12-28 12:58:19 -05:00
Dean Scarff 9a3791c53b Properly detect OPENSSL_IS_BORINGSSL 
OPENSSL_IS_BORINGSSL is not actually set by configure, so it will be
undefined until a BoringSSL header is included.  Hence the #ifdef logic
in QPDFCrypto_openssl.h would usually never apply.

This still worked because evp.h transitively included BoringSSL's
cipher.h and digest.h, but the latter are the correct (documented)
headers.

By re-ordering the includes, we can ensure the macro is defined when we
use it.

Also: fix case in the header guards.
 2020-10-16 20:04:36 -04:00
Jay Berkenbilt ff65e272a8 Fix printf formatting for newer msvc 
Use autoconf rather than ifdefs to determine what format string to use
for long long.
 2020-10-16 07:02:23 -04:00
Jay Berkenbilt 77198d5310 Delegate random number generation to crypto provider (fixes #418) 2020-04-06 11:23:02 -04:00
Dean Scarff 0f2507234f Add OpenSSL/BoringSSL crypto provider 
Fixes qpdf/qpdf#417
 2020-04-06 09:01:55 -04:00
Jay Berkenbilt 893d38b87e Allow propagation of errors and retry through StreamDataProvider 
StreamDataProvider::provideStreamData now has a rich enough API for it
to effectively proxy to pipeStreamData.
 2020-04-05 20:07:13 -04:00
Jay Berkenbilt bfda941519 Use an unordered map for SparseOHArray for efficiency 
This was added in C++11.
 2020-04-03 12:16:24 -04:00
Jay Berkenbilt 88bedb41fe Implement gnutls crypto provider (fixes #218) 
Thanks to Zdenek Dohnal <zdohnal@redhat.com> for contributing the code
used for the gnutls crypto provider.
 2019-11-09 09:53:38 -05:00
Jay Berkenbilt cc14523440 Update autoconf to support crypto selection 2019-11-09 08:18:02 -05:00
Jay Berkenbilt d0a53cd3ea Fix typos in configure.ac 2019-11-09 08:18:02 -05:00
Jay Berkenbilt d1ffe46c04 AES_PDF: move CBC logic from pipeline to AES_PDF implementation 2019-11-09 08:18:02 -05:00
Jay Berkenbilt c8cda4f965 AES_PDF: switch to pluggable crypto 2019-11-09 08:18:02 -05:00
Jay Berkenbilt bb427bd117 SHA2: switch to pluggable crypto 2019-11-09 08:18:02 -05:00
Jay Berkenbilt eadc222ff9 Rename SHA2 implementation (non-bisectable) 2019-11-09 08:18:02 -05:00
Jay Berkenbilt 4287fcc002 RC4: switch to pluggable crypto 2019-11-09 08:18:02 -05:00
Jay Berkenbilt 0cdcd10228 Rename RC4 implementation (non-bisectable) 2019-11-09 08:18:02 -05:00
Jay Berkenbilt ce8f9b6608 MD5: switch to pluggable crypto 2019-11-09 08:18:02 -05:00
Jay Berkenbilt 5c3e856e9f Rename MD5 implementation (non-bisectable) 
Just rename MD5 -> MD5_native in place so that git annotate will show
the lines as having originated there.
 2019-11-09 08:18:02 -05:00
Jay Berkenbilt 2de41856a0 QPDFCryptoProvider: initial implementation 2019-11-09 08:18:02 -05:00
Jay Berkenbilt 700f5b961e Remove int type checks -- subsumed by C++-11 2019-11-09 08:18:02 -05:00
Jay Berkenbilt 653ce3550d Require C++-11 
Includes updates to m4/ax_cxx_compile_stdcxx.m4 to make it work with
msvc, which supports C++-11 with no flags but doesn't set __cplusplus
to a recent value.
 2019-11-09 08:18:02 -05:00
Jay Berkenbilt 456c285b02 Fix fuzz issue 16172 (overflow checking in OffsetInputSource) 2019-08-27 13:08:07 -04:00
Jay Berkenbilt 522d2b2227 Improve efficiency of fixDanglingReferences 2019-08-18 09:00:40 -04:00
Jay Berkenbilt 5187a3ec85 Shallow copy arrays without removing sparseness 2019-08-17 23:02:41 -04:00
Jay Berkenbilt e5f504b6c5 Use SparseOHArray in QPDF_Array 2019-08-17 23:02:41 -04:00
Jay Berkenbilt a89d8a0677 Refactor QPDF_Array in preparation for using SparseOHArray 2019-08-17 23:02:41 -04:00
Jay Berkenbilt e83f3308fb SparseOHArray 2019-08-17 23:02:41 -04:00
Jay Berkenbilt 6c39aa8763 In shippable code, favor smart pointers (fixes #235) 
Use PointerHolder in several places where manually memory allocation
and deallocation were being used. This helps to protect against memory
leaks when exceptions are thrown in surprising places.
 2019-06-22 16:57:52 -04:00
Jay Berkenbilt d71f05ca07 Fix sign and conversion warnings (major) 
This makes all integer type conversions that have potential data loss
explicit with calls that do range checks and raise an exception. After
this commit, qpdf builds with no warnings when -Wsign-conversion
-Wconversion is used with gcc or clang or when -W3 -Wd4800 is used
with MSVC. This significantly reduces the likelihood of potential
crashes from bogus integer values.

There are some parts of the code that take int when they should take
size_t or an offset. Such places would make qpdf not support files
with more than 2^31 of something that usually wouldn't be so large. In
the event that such a file shows up and is valid, at least qpdf would
raise an error in the right spot so the issue could be legitimately
addressed rather than failing in some weird way because of a silent
overflow condition.
 2019-06-21 13:17:21 -04:00
Jay Berkenbilt da30764bce Change QPDFObjectHandle::pipeStreamData's encode_flags type 
Change from unsigned long to int since we pass enumerated type values
to this field.
 2019-06-21 13:17:21 -04:00
Jay Berkenbilt 2155815234 configure: determine wordsize automatically 
Based on sizeof(size_t). Assumes 64 if not 32.
 2019-06-21 13:17:21 -04:00
Jay Berkenbilt 68ccd87c9e Move rectangle transformation into QPDFMatrix 2019-01-27 07:50:30 -05:00
Jay Berkenbilt 4ecd1df6f2 Add configure option AVOID_WINDOWS_HANDLE 
If set, we avoid using Windows I/O HANDLE, which is disallowed in some
versions of the Windows SDK, such as for Windows phones.
QUtil::same_file will always return false in this case. Only applies
to Windows builds.
 2019-01-10 22:35:08 -05:00