Developer
d25e45babc
Fix mail-log-analyzer.sh: Critical bugs and best practices
CRITICAL FIXES:
1. Add mktemp temp directory - replaced all hardcoded /tmp/ paths with secure $TEMP_DIR
2. Add cleanup trap (EXIT/INT/TERM) - automatically cleans up temp files on exit/interrupt
3. Replace all /tmp/*.* references - prevents accumulation of temp files
4. Add error handling on critical operations - cp, awk, tail, wc operations now fail-safe
5. Fix division by zero - max_vol now defaults to 1 to prevent arithmetic errors
6. Fix grep regex injection - domain variable now escaped for safe use in patterns
BEST PRACTICES:
7. Quote all $TEMP_DIR variable references - prevents word splitting issues
8. Quote unquoted variables in echo - properly quote $issue in loop
9. Add file existence checks - verify temp files exist before reading
10. Replace inline read with press_enter() - follows toolkit standards
ERROR HANDLING IMPROVEMENTS:
- cp operation: now exits with error message on failure
- awk filtering: now exits with error message on failure
- tail fallback: now exits with error message on failure
- Final log verification: confirms $TEMP_LOG has content before analysis
SECURITY:
- Removed dangerous /tmp/*.* cleanup pattern
- Escaped domain strings in grep patterns to prevent regex injection
- All temporary files now isolated in secure mktemp directory
- Trap handler ensures cleanup even on interrupt
VERIFIED:
✅ Syntax validation: PASS
✅ All critical errors fixed
✅ Properly quoted all variables
✅ Error handling on file operations
✅ Cleanup trap configured
✅ Escape sequences safe
2026-03-20 04:26:54 -04:00
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