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CHANGELOG.md

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Changelog

v0.4.0

Stealth Set

  • --stealth / -st flag for detection-resistant property writes
  • Suppresses all three detection vectors: per-property serial (zeroed), global serial bump (no notify()), and futex wake (skipped)
  • Combine with -p for stealth persist: resetprop -st -p persist.sys.timezone UTC
  • Library API: PropSystem::set_stealth(), PropSystem::set_stealth_persist()

Nuke (Count-Preserving Delete)

  • --nuke / -nk flag for atomic count-preserving stealth deletion
  • Pipeline: delete target → generate plausible replacement (harvested from device vocabulary) → stealth-insert with value "0" → compact arena
  • Property count stays identical after nuke; zero forensic traces
  • Library API: PropSystem::nuke(), PropArea::nuke()

Arena Compaction

  • --compact flag to defragment arenas after deletes
  • Slides live allocations forward to fill holes, rebuilding trie offsets in-place
  • Library API: PropSystem::compact(), PropArea::compact()

Trie Pruning

  • delete() now prunes orphaned trie leaves after detaching the property
  • Thorough wipe() zeroes the full prop_info record (header, long value, name)

Detection Test Harness

  • New propdetect crate: adversarial validation against real detection heuristics (serial anomalies, count drift, name entropy, enumeration gaps)
  • propdetect-bionic variant for on-device validation against libc's __system_property_* API

Testing

  • 50 unit tests + 2 doc-tests (up from 29)
  • On-device stress test script: 10 test cases covering stealth, nuke, rapid cycles, and neighbor preservation

v0.3.1

  • Library crate now publishable to crates.io with full metadata (repository, keywords, categories)
  • Crate-level README for the library, focused on API usage and dependency setup
  • Public API doc comments on all exported types and methods for docs.rs
  • Re-export Record from crate root so consumers can use resetprop::Record directly
  • CLI crate also carries crates.io metadata for independent publishing
  • Version bump from 0.2.0 to 0.3.1 to align Cargo.toml with tag history

v0.3.0

  • Persistent property support via -p and -P flags
  • -p writes to both prop_area (memory) and /data/property/persistent_properties (disk)
  • -P reads directly from the persist file without requiring prop_area access
  • Hand-rolled proto2 encode/decode matching AOSP's PersistentProperties schema
  • Atomic write with SELinux xattr preservation, matching AOSP's temp+rename+fsync pattern
  • Legacy format read support for pre-Android 9 devices (one file per property)
  • PersistStore public API: load, get, set, delete, list
  • PropSystem::set_persist() and PropSystem::delete_persist() for dual memory+disk writes

v0.2.1

  • Add set_init() API for init-style serial writes on ro.* properties
  • write_value_init() zeroes the low-24 counter bits instead of incrementing by 2
  • Handles both short and long (kLongFlag) property values
  • Exposed at PropArea::set_init() and PropSystem::set_init()
  • CLI: --init flag for init-style writes (resetprop --init ro.build.fingerprint "...")
  • CLI: --init works with -f file load (resetprop --init -f props.txt)

v0.2.0

  • Stealth overhaul: runtime harvest, plausible hexpatch values, name consistency
  • privatize() for per-process prop isolation via COW
  • Harden prop area against corrupt data, add futex wake
  • Protect intermediate trie nodes with own properties during hexpatch
  • Randomize pool selection and add dot-split generation for harvest
  • On-device stress test and stealth verification
  • Manual build workflow for fork users

v0.1.0

  • Initial release: pure Rust property area manipulation
  • Get, set, delete, list, foreach operations
  • hexpatch_delete for stealth property removal
  • Trie-based property lookup matching AOSP format
  • Cross-compiled for arm64, arm, x86_64, x86