command-execution-principles
Safe command execution: input sanitization, timeout handling, output capture, error propagation. For spawning processes, shell commands, system calls.
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- Repositorio
- irahardianto/awesome-gcli-test
- Última actividad en el origen
- 21 de abril de 2026 a las 22:43
- Idioma detectado de SKILL.md
- inglés
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Instrucciones de origen · Vista previa de solo lectura- name
- command-execution-principles
- description
- Safe command execution: input sanitization, timeout handling, output capture, error propagation. For spawning processes, shell commands, system calls.
- user-invocable
- false
## Command Execution Principles
### Security
- ❌ `exec(userInput)`, `shell("rm " + userFile)`
- ✅ Argument lists (no shell string concat), validate/sanitize all args
- Never run as root/admin without explicit human approval. Elevated perms required → STOP and request auth.
- Least-privilege service accounts
### Portability
- Use language stdlib over shell commands (file I/O APIs instead of cat/cp/mv)
- Test on all target OS (path joining functions, not / concatenation)
### Error Handling
- Check exit codes (non-zero = failure)
- Capture + log stderr
- Set timeouts for long-running
- Handle "command not found" gracefully
### Checklist
- [ ] User input sanitized before commands
- [ ] Arguments as lists (no shell concat)
- [ ] Minimum permissions
- [ ] Exit codes checked
- [ ] Timeouts set
- [ ] stderr captured + logged
### Related
- Security Mandate @.gemini/rules/security-mandate.md
- Security Principles @.gemini/rules/security-principles.md
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