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m1ngsama
fa348041e5
- Add Security section to README.md with configuration examples - Document all new environment variables (access token, rate limiting, SSH options) - Add comprehensive CHANGELOG entry for security audit fixes - Categorize fixes by severity (Critical, High, Medium) - Include security improvements summary table - Maintain backward compatibility notes New environment variables documented: - TNT_ACCESS_TOKEN: Optional password authentication - TNT_BIND_ADDR: Configurable bind address - TNT_SSH_LOG_LEVEL: SSH logging verbosity - TNT_RATE_LIMIT: Enable/disable rate limiting - TNT_MAX_CONNECTIONS: Global connection limit - TNT_MAX_CONN_PER_IP: Per-IP connection limit Documentation follows Unix-style concise format.
111 lines
1.8 KiB
Markdown
111 lines
1.8 KiB
Markdown
# TNT
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Terminal chat server. Vim-style interface. SSH-based.
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## Install
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```sh
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curl -sSL https://raw.githubusercontent.com/m1ngsama/TNT/main/install.sh | sh
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```
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Or download from [releases](https://github.com/m1ngsama/TNT/releases).
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## Run
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```sh
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tnt # port 2222
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tnt -p 3333 # custom port
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PORT=3333 tnt # env var
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```
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Connect: `ssh -p 2222 localhost`
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## Security
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Configure via environment variables.
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### Access Control
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```sh
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TNT_ACCESS_TOKEN="secret" tnt # require password
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TNT_BIND_ADDR=127.0.0.1 tnt # localhost only
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```
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Without `TNT_ACCESS_TOKEN`, server is open (default).
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### Rate Limiting
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```sh
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TNT_MAX_CONNECTIONS=100 tnt # total limit
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TNT_MAX_CONN_PER_IP=10 tnt # per-IP limit
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TNT_RATE_LIMIT=0 tnt # disable (testing only)
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```
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Default: 64 total, 5 per IP, rate limiting enabled.
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### SSH Options
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```sh
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TNT_SSH_LOG_LEVEL=3 tnt # verbose logging (0-4)
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```
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## Keys
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**INSERT** (default)
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- `ESC` → NORMAL
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- `Enter` → send
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- `Backspace` → delete
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**NORMAL**
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- `i` → INSERT
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- `:` → COMMAND
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- `j/k` → scroll
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- `g/G` → top/bottom
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- `?` → help
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**COMMAND**
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- `:list` → users
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- `:help` → commands
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- `ESC` → back
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## Build
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```sh
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make # normal
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make debug # with symbols
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make asan # sanitizer
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make check # static analysis
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```
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Requires: `libssh`
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## Deploy
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See [DEPLOYMENT.md](DEPLOYMENT.md) for systemd setup.
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## Files
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```
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messages.log chat history
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host_key SSH key (auto-gen)
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tnt.service systemd unit
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```
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## Test
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```sh
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./test_basic.sh # functional
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./test_stress.sh 50 # 50 clients
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```
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## Docs
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- `README` - man page style
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- `HACKING` - dev guide
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- `DEPLOYMENT.md` - production
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- `CICD.md` - automation
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- `QUICKREF` - cheat sheet
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## License
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MIT
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