catarrh/simtrace-analyser
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103 Commits
Author SHA1 Message Date
catarrh fb5c1fbf6a Ignore SIGHUP — survive terminal closure in background 
__main__.py: add signal.SIGHUP → SIG_IGN before setting up
SIGINT/SIGTERM handlers. Sniffer no longer dies when the terminal
closes or the shell session ends.

README: add Background / Daemon section with nohup examples.
 2026-08-11 00:37:41 +03:00
catarrh ec129c4463 Add --format option: timestamp and atr-time TPDU output modes 
dump.py: tpdu_timestamp_prefix(), tpdu_atr_time_prefix(),
  format_message() accepts tpdu_prefix parameter,
  FileDumper supports fmt + ATR time tracking

__main__.py: --format/-f flag (hex|timestamp|atr-time),
  atr_time_start tracking in message loop

sniff-start.sh: pass through --format/-f and FORMAT env var
 2026-08-10 23:53:38 +03:00
catarrh 73b0277ef7 Initial commit: simtrace2-pysniff v0.1.0 
Python-based SIMtrace2 sniffer — drop-in replacement for simtrace2-sniff.
Single dependency (pyusb), auto-reconnect, GSMTAP/PCAP output, library API.

Modules:
  protocol.py — SIMtrace2 USB sniffing protocol parser
  device.py   — USB discovery + SniffSession with exponential backoff reconnect
  gsmtap.py   — GSMTAP UDP sender for Wireshark
  pcap.py     — PCAP file writer (LINKTYPE_GSMTAP)
  dump.py     — hex dump formatters + file output
  __main__.py — CLI entry point

Startup script sniff-start.sh handles udev permission checks and shows
install instructions. udev rule uses TAG+=uaccess (systemd-logind ACL).
 2026-08-10 23:17:04 +03:00