Michael R Sweet
59deee020a
Fix some Clang warnings.
2024-01-24 10:58:11 -05:00
Michael R Sweet
7330cc35ba
Defer object/value decryption to after the object is loaded (Issue #42 )
2023-12-14 16:02:26 -05:00
Michael R Sweet
34dbf6c2fe
Documentation cleanup.
2023-12-05 13:49:58 -05:00
Michael R Sweet
0258384d53
Range check encrypted string length (Issue #52 )
2023-11-18 18:22:11 -05:00
Michael R Sweet
4f10021e7e
Fix denial-of-service attack when reading corrupt PDF files.
2023-02-03 20:39:04 -05:00
Michael R Sweet
a3f3bbfe11
Fix pdfioFileGetAuthor, etc. APIs (Issue #33 )
2022-07-12 18:36:08 -04:00
Michael R Sweet
a431d7806f
Fix a few stack/buffer overflow bugs discovered by Bart, Steffan, and Mark from
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the Radboud University NL (thanks!)
- Add depth argument to all value read functions that recurse
- Add depth argument to page tree loading code
- Validate xref stream sizes individually to avoid out-of-bounds access to local
xref buffer.
2021-11-29 17:46:56 -05:00
Michael R Sweet
1e33878506
Fix conversion of nul-containing strings to binary.
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Move key length checks to a common place.
2021-11-02 09:12:43 -04:00
Michael R Sweet
dd56317635
Need object when reading/writing encrypted PDFs (to decrypt/encrypt strings),
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RC4 writing is now working, AES-128 needs work, AES-256 hasn't been done yet.
2021-10-23 18:08:16 -04:00
Michael R Sweet
d5173d14da
Fix some Coverity-detected issues.
2021-10-08 13:49:48 -04:00
Michael R Sweet
6745f785b7
Fix bug with xref stream with no index.
...
Fix bug with pdfiOStreamPeek not appending new stream data to buffer.
Add more debug printfs for values.
2021-08-24 13:50:57 -04:00
Michael R Sweet
a3de05cf0e
Increase size of value buffer.
2021-08-23 19:37:33 -04:00
Michael R Sweet
543364dfa2
More efficiently implement reading of integers vs. indirect references.
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"testpdfio filename.pdf objnum" now shows object value if there is no stream.
Clean up debugging printfs.
2021-08-23 14:31:54 -04:00
Michael R Sweet
d62faa51e1
Implement date value support (Issue #13 )
2021-07-07 22:06:25 -04:00
Michael R Sweet
6f02bdd301
Initial Visual Studio support.
2021-06-21 11:39:06 -04:00
Michael R Sweet
a698b9c1a2
API cleanup, more work on documentation.
2021-06-07 08:34:30 -04:00
Michael R Sweet
246c2e4b41
Rename as PDFio for consistency.
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Add PDFio logo image.
Move documentation to "doc" subdirectory.
2021-05-30 07:10:44 -04:00
Michael R Sweet
a18b8fd606
Switch to using double for numbers, since they are also used to record lengths
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and other potentially large contents.
2021-05-29 21:16:21 -04:00
Michael R Sweet
35d22705fa
Implement pdfioObjCopy and pdfioPageCopy, with tests.
2021-05-29 20:00:48 -04:00
Michael R Sweet
548ff7d119
Initial writing support.
2021-05-16 11:39:05 -04:00
Michael R Sweet
4bb81417a8
Start fleshing out writing/copying interfaces.
2021-05-15 09:29:37 -04:00
Michael R Sweet
cfb5ca0ddc
Rework error/debug output.
2021-05-10 08:40:52 -04:00
Michael R Sweet
9a919d478f
Rework token reading to be separate from the PDF file so we can add support
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for compressed object streams.
2021-05-08 07:38:44 -04:00
Michael R Sweet
d2a0484d93
Rework debug functions, start xref stream support.
2021-05-06 09:51:48 -04:00
Michael R Sweet
4abb91ca24
Save work on loading object dictionaries - have a memory issue someplace.
2021-05-04 21:31:58 -04:00
Michael R Sweet
59ef6b48ed
Add some debug output, "debug" make target.
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Fix loading of dicts, trailer.
2021-05-04 12:59:10 -04:00
Michael R Sweet
a5468b1b87
Implement value/array/dict reading, refactor indirect references.
2021-05-04 10:34:17 -04:00
Michael R Sweet
f5c9aef7da
Finish value copy, delete, and write methods.
2021-04-30 07:42:25 -04:00
Michael R Sweet
e2e2192ea9
Save work.
2021-04-27 21:22:34 -04:00
Michael R Sweet
899feb15c7
Start filling out internal APIs.
2021-04-16 21:09:43 -04:00
Michael R Sweet
c2610f2dd0
Fill out basic API functions.
2021-04-16 20:41:46 -04:00
