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2017-08-05Add --split-pages option (fixes #30)Jay Berkenbilt
2017-08-05QUtil::strcasecmpJay Berkenbilt
2017-08-05Split bug tests into separate chunkJay Berkenbilt
2017-08-05Fix doc typoJay Berkenbilt
2017-08-05Refactor write_outputJay Berkenbilt
2017-08-05Move page spec processing earlierJay Berkenbilt
2017-08-05Split qpdf.cc's main into reasonably sized functionsJay Berkenbilt
main() had gotten absurdly long. Split it into reasonable chunks. This refactoring is in preparation for handling splitting output into single pages.
2017-08-03Fix off-by-one error in --pages argument parsing (fixes #129)Jay Berkenbilt
2017-07-31Fix doc typoJay Berkenbilt
2017-07-30Add page rotation example in contribiskander.sharipov
This is added to contrib rather than examples because it requires c++-11 and lacks a test suite, but it is still useful enough to include with the distribution.
2017-07-30Fix command-line checking in pdf-split-pages exampleJay Berkenbilt
2017-07-30Include missing header in QPDFTokenizer.cc (fixes #125)Pranjal Bhor
Required for strtol()
2017-07-30Allow reading command-line args from files (fixes #16)Jay Berkenbilt
2017-07-30Detect input file = output file (fixes #29)Jay Berkenbilt
2017-07-30Allow --check to coexist with and precede other operations (fixes #42)Jay Berkenbilt
2017-07-30Catch more exceptions while resolving objectsJay Berkenbilt
2017-07-30When recover stream length, indicate the length (fixes #44)Jay Berkenbilt
2017-07-29Add newline-before-endstream option (fixes #103)Jay Berkenbilt
2017-07-29Handle zlib data errors better (fixes #106)Jay Berkenbilt
2017-07-29Better recovery of bad stream start (fixes #104)Jay Berkenbilt
2017-07-29autoconf: find gnu make as gmake or make (fixes #75)Jay Berkenbilt
2017-07-29Better handle split content streams (fixes #73)Jay Berkenbilt
When parsing content streams, allow content to be split arbitrarily across stream boundaries.
2017-07-29Fix exception catchJay Berkenbilt
2017-07-29Clarify documentation on copyForeignObject (fixes #69)Jay Berkenbilt
Be explicit about the need to keep the source QPDF object around.
2017-07-29Use 1.2 as the version if we can't read it from the headerJay Berkenbilt
The code was using 1.0, but we use /FlateDecode, which didn't appear until 1.2.
2017-07-29Update TODOJay Berkenbilt
2017-07-29Update TODOJay Berkenbilt
2017-07-29Add option to preserve unreferenced objectsJay Berkenbilt
2017-07-29Explicitly check root dictionary typeJay Berkenbilt
Very badly corrupted files may not have a retrievable root dictionary. Handle that as a special case so that a more helpful error message can be provided.
2017-07-28Update TODOJay Berkenbilt
2017-07-28Add precheck streams capabilityJay Berkenbilt
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.
2017-07-28Convert many more errors to warningsJay Berkenbilt
2017-07-28Convert stream filtering errors to warningsJay Berkenbilt
2017-07-28Convert object parsing errors to warningsJay Berkenbilt
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.
2017-07-27Move lexer helper functions to QUtilJay Berkenbilt
2017-07-27Remove PCRE from QPDFTokenizerJay Berkenbilt
2017-07-26Make windows includes lowercase (fixes #123)slurdge
For cross compiling.
2017-07-26TODO: bump ABI versionJay Berkenbilt
2017-07-26Include tests for other infinite loop bugsJay Berkenbilt
fixes #117 fixes #118 fixes #119 fixes #120 Several other infinite loop bugs were fixed by previous changes. Include their test files in the test suite.
2017-07-26Don't interpret word tokens in content streams (fixes #82)Jay Berkenbilt
2017-07-26Detect recursion loops resolving objects (fixes #51)Jay Berkenbilt
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.
2017-07-26Handle object ID 0 (fixes #99)Jay Berkenbilt
This is CVE-2017-9208. The QPDF library uses object ID 0 internally as a sentinel to represent a direct object, but prior to this fix, was not blocking handling of 0 0 obj or 0 0 R as a special case. Creating an object in the file with 0 0 obj could cause various infinite loops. The PDF spec doesn't allow for object 0. Having qpdf handle object 0 might be a better fix, but changing all the places in the code that assumes objid == 0 means direct would be risky.
2017-07-26Avoid xref reconstruction infinite loop (fixes #100)Jay Berkenbilt
This is CVE-2017-9209.
2017-07-26Fix infinite loop while reporting an error (fixes #101)Jay Berkenbilt
This is CVE-2017-9210. The description string for an error message included unparsing an object, which is too complex of a thing to try to do while throwing an exception. There was only one example of this in the entire codebase, so it is not a pervasive problem. Fixing this eliminated one class of infinite loop errors.
2017-07-26Fix typo in commentJay Berkenbilt
2017-07-26Updates for newer Windows toolchainJay Berkenbilt
2016-12-27Note about std::regex attemptJay Berkenbilt
2016-09-10install target: only install docs if buildingJay Berkenbilt
Don't try to install HTML or PDF documentation if we're not building docs.
2016-09-10Fix page range example in documentationJay Berkenbilt
2016-01-24C++-Builder supports 64 Bit file functionsThorsten Schöning
The 64 Bit file functions are supported by C++-Builder as well and need to be used, else fseek will error out on larger files than 4 GB like used in the large file test.
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