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Author SHA1 Message Date
Masamichi Hosoda
06b818dcd3 Exclude signature dictionary from compressible objects 
It seems better not to compress signature dictionaries. Various PDF
digital signing tools, including Adobe Acrobat Reader DC, do not
compress signature dictionaries.

Table 8.93 "Entries in a signature dictionary" in PDF 1.5 reference
describes that /ByteRange in the signature dictionary shall be used to
describe a digest that does not include the signature value
(/Contents) itself.

The byte ranges cannot be determined if the dictionary is compressed.
 2019-10-22 16:16:16 -04:00
Masamichi Hosoda
5e0ba12687 Fix /Contents value representation in a signature dictionary 
Table 8.93 "Entries in a signature dictionary" in PDF 1.5 reference
describes that the value of Contents entry is a hexadecimal string
representation when ByteRange is specified.

This commit makes QPDF always uses hexadecimal strings representation
instead of literal strings for it.
 2019-10-22 16:16:16 -04:00
Jay Berkenbilt
3094955dee Prepare 9.0.2 release 2019-10-12 19:37:40 -04:00
Jay Berkenbilt
d5ecaea488 Update fuzz errors in TODO 2019-10-12 19:37:40 -04:00
Jay Berkenbilt
e188d0fffa Make --replace-input work with / in path (fixes #365) 2019-10-12 19:27:50 -04:00
Jay Berkenbilt
bcfb0c7d9a Fix 9.0.1 version number 2019-09-20 08:07:56 -04:00
Jay Berkenbilt
4ea940b03c Prepare 9.0.1 release 2019-09-20 07:38:18 -04:00
Jay Berkenbilt
db2e095a42 Update release notes for upcoming 9.0.1 release 2019-09-19 21:25:34 -04:00
Jay Berkenbilt
685250d7d6 Correct reversed Rectangle coordinates (fixes #363) 2019-09-19 21:25:34 -04:00
Jay Berkenbilt
48b7de2cc3 Fix typo in comment 2019-09-19 21:04:32 -04:00
Jay Berkenbilt
8b1e307741 Warn for duplicated dictionary keys (fixes #345) 2019-09-19 20:22:34 -04:00
Jay Berkenbilt
5ce287d6bb Remove reference to automatically closed fuzz issue 2019-09-17 19:52:42 -04:00
Jay Berkenbilt
bb83e65193 Fix fuzz issue 16953 (overflow checking in xref stream index) 2019-09-17 19:48:47 -04:00
Jay Berkenbilt
17d431dfd5 Fix integer type warnings for big-endian systems 2019-09-17 19:14:27 -04:00
Jay Berkenbilt
6d81f01476 Don't assume char is signed in int conversion tests (fixes #361) 2019-09-17 12:18:09 -04:00
Jay Berkenbilt
8c34d67b88 Fix duplicated release notes entries 2019-08-31 22:11:28 -04:00
Jay Berkenbilt
5462dfce31 Prepare 9.0.0 release 2019-08-31 20:07:36 -04:00
Jay Berkenbilt
d89d713310 spell check 2019-08-31 15:51:21 -04:00
Jay Berkenbilt
d492bb0a90 Add --replace-input option (fixes #321) 2019-08-31 15:51:21 -04:00
Jay Berkenbilt
babd12c9b2 Add methods QPDF::anyWarnings and QPDF::closeInputSource 2019-08-31 15:51:20 -04:00
Jay Berkenbilt
41b5c46497 refactor: split write_outfile and do_split_pages 2019-08-31 15:51:06 -04:00
Jay Berkenbilt
b3c91f64bb Change release notes order 2019-08-31 15:51:06 -04:00
Jay Berkenbilt
4fa7b1eb60 Add remove_file and rename_file to QUtil 2019-08-31 15:51:04 -04:00
Jay Berkenbilt
cd2bd66781 Update release preparation instructions 2019-08-31 08:49:04 -04:00
Jay Berkenbilt
dfb447ee4f Remove stray TODO comment 2019-08-31 08:43:48 -04:00
Jay Berkenbilt
0787ec9620 spell check 2019-08-31 08:43:18 -04:00
Jay Berkenbilt
00fd9b3e03 Update C++-11 notes 2019-08-30 18:36:44 -04:00
Jay Berkenbilt
bde44c18ef Notes about C++-11 for qpdf 10 2019-08-30 12:41:25 -04:00
Jay Berkenbilt
8c69f8495d Add getRefcount to PointerHolder test 2019-08-30 11:58:33 -04:00
Jay Berkenbilt
646f3bc0af Update Windows image and compiler 2019-08-30 06:13:33 -04:00
Jay Berkenbilt
9c44719f05 Exclude emacs backups in autogen.sh 2019-08-30 06:13:33 -04:00
Jay Berkenbilt
d4c41e2624 TODO: update notes on ignored fuzz cases 2019-08-28 23:06:57 -04:00
Jay Berkenbilt
0e51a9aca6 Don't encrypt trailer, fixes fuzz issue 15983 
Ordinarily the trailer doesn't contain any strings, so this is usually
a non-issue, but if the trailer contains strings, linearizing and
encrypting with object streams would include encrypted strings in the
trailer, which would blow out the padding because encrypted strings
are longer than their cleartext counterparts.
 2019-08-28 23:06:32 -04:00
Jay Berkenbilt
bb3ae14f04 More fuzzer notes 2019-08-28 23:06:32 -04:00
Jay Berkenbilt
47a38a942d Detect stream in object stream, fixing fuzz 16214 
It's detected in QPDFWriter instead of at parse time because I can't
figure out how to construct a test case in a reasonable time. This
commit moves the fuzz file into the regular test suite for a QTC
coverage case.
 2019-08-28 12:49:04 -04:00
Jay Berkenbilt
15248aa54b Safe pipeline pop fixed fuzz issue 15445 2019-08-27 22:27:47 -04:00
Jay Berkenbilt
ba5fb69164 Make popping pipeline stack safer 
Use destructors to pop the pipeline stack, and ensure that code that
pops the stack is actually popping the intended thing.
 2019-08-27 22:27:47 -04:00
Jay Berkenbilt
dadf8307c8 Fix fuzz issues 15316 and 15390 2019-08-27 20:39:06 -04:00
Jay Berkenbilt
456c285b02 Fix fuzz issue 16172 (overflow checking in OffsetInputSource) 2019-08-27 13:08:07 -04:00
Jay Berkenbilt
ad8081daf5 Fix fuzz issue 15442 (overflow checking in BufferInputSource) 2019-08-27 11:26:25 -04:00
Jay Berkenbilt
9a095c5c76 Seek in two stages to avoid overflow 
When seeing to a position based on a value read from the input, we are
prone to integer overflow (fuzz issue 15442). Seek in two stages to
move the overflow check into the input source code.
 2019-08-27 11:26:25 -04:00
Jay Berkenbilt
ac5e6de2e8 Fix fuzz issue 15387 (overflow checking xref size) 2019-08-27 11:26:25 -04:00
Jay Berkenbilt
6bc4cc3d48 Fix fuzz issue 15475 2019-08-25 22:52:25 -04:00
Jay Berkenbilt
94e86e2528 Fix fuzz issue 16301 2019-08-25 22:52:25 -04:00
Jay Berkenbilt
8721f189f8 Move qpdf_fuzzer tests to the end 
This makes it faster to iterate on the other ones.
 2019-08-25 22:52:25 -04:00
Jay Berkenbilt
ecca87d73c Fuzz build: allow easy addition of test files 2019-08-25 22:52:25 -04:00
Jay Berkenbilt
9ebb55aff1 Include password match information in show encryption 2019-08-24 11:01:19 -04:00
Jay Berkenbilt
5da146c8b5 Track separately whether password was user/owner (fixes #159) 2019-08-24 11:01:19 -04:00
Jay Berkenbilt
5a0aef55a0 Split long line 2019-08-24 10:58:51 -04:00
Jay Berkenbilt
53930d96d0 Add some clarification to encryption in the manual 
Per user suggestion in issue 351.
 2019-08-23 21:27:41 -04:00