| 879 | } |
| 880 | |
| 881 | private setupSocketChannelEvents (channel: russh.Channel, socket: Socket, logPrefix: string): void { |
| 882 | // Channel → Socket data flow with error handling |
| 883 | channel.data$.subscribe({ |
| 884 | next: data => socket.write(data), |
| 885 | error: err => { |
| 886 | this.logger.error(`${logPrefix}: channel data error: ${err}`) |
| 887 | socket.destroy() |
| 888 | }, |
| 889 | }) |
| 890 | |
| 891 | // Socket → Channel data flow with proper conversion |
| 892 | socket.on('data', data => { |
| 893 | try { |
| 894 | channel.write(new Uint8Array(data.buffer, data.byteOffset, data.byteLength)) |
| 895 | } catch (err) { |
| 896 | this.logger.error(`${logPrefix}: channel write error: ${err}`) |
| 897 | socket.destroy(new Error(`${logPrefix}failed to write to channel: ${err}`)) |
| 898 | } |
| 899 | }) |
| 900 | |
| 901 | // Handle EOF from remote |
| 902 | channel.eof$.subscribe(() => { |
| 903 | this.logger.debug(`${logPrefix}: channel EOF received, ending socket`) |
| 904 | socket.end() |
| 905 | }) |
| 906 | |
| 907 | // Handle channel close |
| 908 | channel.closed$.subscribe(() => { |
| 909 | this.logger.debug(`${logPrefix}: channel closed, destroying socket`) |
| 910 | socket.destroy() |
| 911 | }) |
| 912 | |
| 913 | // Handle socket errors |
| 914 | socket.on('error', err => { |
| 915 | this.logger.error(`${logPrefix}: socket error: ${err}`) |
| 916 | channel.close() |
| 917 | }) |
| 918 | |
| 919 | // Handle socket close |
| 920 | socket.on('close', () => { |
| 921 | this.logger.debug(`${logPrefix}: socket closed, closing channel`) |
| 922 | channel.close() |
| 923 | }) |
| 924 | |
| 925 | // Handle EOF from local |
| 926 | socket.on('end', () => { |
| 927 | this.logger.debug(`${logPrefix}: socket end, sending EOF to channel`) |
| 928 | channel.eof() |
| 929 | }) |
| 930 | } |
| 931 | |
| 932 | async loadPrivateKey (name: string, privateKeyContents: Buffer): Promise<russh.KeyPair> { |
| 933 | this.activePrivateKey = await this.loadPrivateKeyWithPassphraseMaybe(privateKeyContents.toString()) |