Function ParseProxyCommand

internal/sshconfig/hostconfig.go:188–228

ParseProxyCommand attempts to parse an existing ProxyCommand

(cmd string)

// ParseProxyCommand attempts to parse an existing ProxyCommand
func ParseProxyCommand(cmd string) (*ProxyConfig, error) {
	cmd = strings.TrimSpace(cmd)
	if cmd == "" {
		return nil, errors.New("empty proxy command")
	}

	cfg := &ProxyConfig{Type: ProxyTypeCustom}

	// Try to detect SOCKS5 with nc
	if strings.Contains(cmd, "nc -X 5 -x") {
		cfg.Type = ProxyTypeSocks5NC
		// Extract host:port pattern
		parts := strings.Fields(cmd)
		for i, part := range parts {
			if part == "-x" && i+1 < len(parts) {
				hostPort := parts[i+1]
				if idx := strings.Index(hostPort, ":"); idx > 0 {
					cfg.Host = hostPort[:idx]
					cfg.Port = hostPort[idx+1:]
				}
				break
			}
		}
	} else if strings.Contains(cmd, "ncat --proxy-type socks5") {
		cfg.Type = ProxyTypeSocks5NCAT
		// Extract from --proxy
		parts := strings.Fields(cmd)
		for i, part := range parts {
			if part == "--proxy" && i+1 < len(parts) {
				hostPort := parts[i+1]
				if idx := strings.Index(hostPort, ":"); idx > 0 {
					cfg.Host = hostPort[:idx]
					cfg.Port = hostPort[idx+1:]
				}
				break
			}
		}
	}

	return cfg, nil
}

// ParseProxyJump parses an existing ProxyJump configuration
func ParseProxyJump(jump string) (*ProxyConfig, error) {