What's Changed

• Check for false positives in jmp_case_candidates by @CptGibbon in https://github.com/david942j/one_gadget/pull/198
• Replace obsolescent egrep with grep -E by @rad4day in https://github.com/david942j/one_gadget/pull/199
• Add --dwarf-start=0 option to remove the file path in the output by @lebr0nli in https://github.com/david942j/one_gadget/pull/205
• Enhance the constraints for argv and envp by @lebr0nli in https://github.com/david942j/one_gadget/pull/206

New Contributors

• @CptGibbon made their first contribution in https://github.com/david942j/one_gadget/pull/198
• @rad4day made their first contribution in https://github.com/david942j/one_gadget/pull/199
• @lebr0nli made their first contribution in https://github.com/david942j/one_gadget/pull/205

Full Changelog: https://github.com/david942j/one_gadget/compare/v1.8.1...v1.9.0

Refined gadget scoring (#190 )

See #187 for the differences of gadgets compare to v1.8.0.

Consider posix_spawn as one-gadgets

This new feature adds at least 3 one-gadgets for libc >= 2.29!

Builds

Support up to libc-2.35.

Bug Fixes

• Fix missing gadgets when two gadgets are too close (#122)
• Use strict keyword arguments representation for Ruby 2.8 (#127)
  • to suppress the "Using the last argument as keyword parameters is deprecated" warning since Ruby 2.7
• Add writable constraints to x86 archs (#156)

Enhancements

• Add libc-2.29, 2.30, 2.31, and 2.32 builds

• Added constraint for XMM alignment (#87)
• Added --base option (#100)

• Added --near options (#76), thanks @umutoztunc !
• Changed target Ruby version to >= 2.3
• Added two libc builds from the latest Ubuntu16.04

• Fixed incorrect UnsupportedArchitectureError on non-english locales (#73)

Feature

• Supported a new architecture: AArch64!
• Approximately 1.5 times faster than before. (#68)
• Added 43 builds (updated to the latest libcdb).

Internal Changes

• Added more error classes.
• Supported checking objdump's supported architectures.
• Supported new constraint type: writable. (#69)
• Introduced scoring system on constraints. (#67, #69)
• Removed unnecessary module ClassMethods.

Bug Fix

• Fix a bug happens in libc-2.28 (https://github.com/david942j/one_gadget/pull/70/commits/1810bd7c3d13115ecc77ce544acd6b6a1f24a520).

• Make one_gadget as library (#47)
• Fix circular require (707aeb7)

• Show descriptive error message when encounter unintended usage (#38, #40)
• Improved update checking (#42, #43)