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niccellularandClaude Sonnet 4.5 fa5631523e Fix embedded null byte truncation in ATAK strings

Fix bug where UIDs, callsigns, and messages containing embedded null
bytes (0x00) are truncated during compression/decompression. The issue
occurs because strlen() stops at the first null byte, but nanopb char
arrays can contain embedded nulls that are valid data.

This causes Android device UIDs like "ANDROID-e7e455b40002429d" to be
truncated to "ANDROID-e7e455b4" (16 chars instead of 24), breaking
direct messages and contact identification.

The fix adds a pb_string_length() helper that scans for the actual
string length by finding the last non-null character, rather than
stopping at the first null.

Added comprehensive unit tests to prevent regressions:
- Normal strings without embedded nulls
- Strings with embedded null bytes
- Empty strings and edge cases
- Android UID pattern testing
- Multiple embedded nulls scenarios

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

2026-02-08 08:54:15 -05:00

test_atak

Fix embedded null byte truncation in ATAK strings

2026-02-08 08:54:15 -05:00

test_crypto

Improve PKC unit test coverage (#6485 )

2025-04-03 14:17:36 -05:00

test_meshpacket_serializer

Make phone queues use a static pointer queue (#7919 )

2025-09-09 08:21:46 -05:00

test_mqtt

Skipp assertion on this test for now