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@@ -1,24 +1,22 @@
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import * as fs from 'mz/fs'
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import * as crypto from 'crypto'
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-import * as sshpk from 'sshpk'
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import colors from 'ansi-colors'
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import stripAnsi from 'strip-ansi'
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-import { Injector, NgZone } from '@angular/core'
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+import * as shellQuote from 'shell-quote'
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+import { Injector } from '@angular/core'
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import { NgbModal } from '@ng-bootstrap/ng-bootstrap'
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-import { ConfigService, FileProvidersService, HostAppService, NotificationsService, Platform, PlatformService, wrapPromise, PromptModalComponent, LogService, Logger, TranslateService } from 'tabby-core'
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+import { ConfigService, FileProvidersService, NotificationsService, PromptModalComponent, LogService, Logger, TranslateService, Platform, HostAppService } from 'tabby-core'
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import { Socket } from 'net'
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-import { Client, ClientChannel, SFTPWrapper } from 'ssh2'
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import { Subject, Observable } from 'rxjs'
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import { HostKeyPromptModalComponent } from '../components/hostKeyPromptModal.component'
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-import { HTTPProxyStream, ProxyCommandStream, SocksProxyStream } from '../services/ssh.service'
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import { PasswordStorageService } from '../services/passwordStorage.service'
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import { SSHKnownHostsService } from '../services/sshKnownHosts.service'
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-import { promisify } from 'util'
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import { SFTPSession } from './sftp'
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-import { SSHAlgorithmType, PortForwardType, SSHProfile, SSHProxyStream, AutoPrivateKeyLocator } from '../api'
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+import { SSHAlgorithmType, SSHProfile, AutoPrivateKeyLocator, PortForwardType } from '../api'
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import { ForwardedPort } from './forwards'
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import { X11Socket } from './x11'
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import { supportedAlgorithms } from '../algorithms'
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+import * as russh from 'russh'
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const WINDOWS_OPENSSH_AGENT_PIPE = '\\\\.\\pipe\\openssh-ssh-agent'
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@@ -27,48 +25,74 @@ export interface Prompt {
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echo?: boolean
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}
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-interface AuthMethod {
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- type: 'none'|'publickey'|'agent'|'password'|'keyboard-interactive'|'hostbased'
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- name?: string
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- contents?: Buffer
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-}
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-
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-interface Handshake {
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- kex: string
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- serverHostKey: string
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+type AuthMethod = {
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+ type: 'none'|'prompt-password'|'hostbased'
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+} | {
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+ type: 'keyboard-interactive',
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+ savedPassword?: string
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+} | {
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+ type: 'saved-password',
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+ password: string
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+} | {
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+ type: 'publickey'
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+ name: string
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+ contents: Buffer
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+} | {
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+ type: 'agent',
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+ kind: 'unix-socket',
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+ path: string
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+} | {
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+ type: 'agent',
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+ kind: 'named-pipe',
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+ path: string
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+} | {
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+ type: 'agent',
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+ kind: 'pageant',
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}
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export class KeyboardInteractivePrompt {
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- responses: string[] = []
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+ readonly responses: string[] = []
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+
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+ private _resolve: (value: string[]) => void
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+ private _reject: (reason: any) => void
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+ readonly promise = new Promise<string[]>((resolve, reject) => {
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+ this._resolve = resolve
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+ this._reject = reject
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+ })
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constructor (
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public name: string,
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public instruction: string,
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public prompts: Prompt[],
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- private callback: (_: string[]) => void,
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) {
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this.responses = new Array(this.prompts.length).fill('')
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}
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+ isAPasswordPrompt (index: number): boolean {
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+ return this.prompts[index].prompt.toLowerCase().includes('password') && !this.prompts[index].echo
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+ }
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+
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respond (): void {
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- this.callback(this.responses)
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+ this._resolve(this.responses)
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+ }
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+
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+ reject (): void {
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+ this._reject(new Error('Keyboard-interactive auth rejected'))
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}
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}
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export class SSHSession {
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- shell?: ClientChannel
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- ssh: Client
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- sftp?: SFTPWrapper
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+ shell?: russh.Channel
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+ ssh: russh.SSHClient|russh.AuthenticatedSSHClient
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+ sftp?: russh.SFTP
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forwardedPorts: ForwardedPort[] = []
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- jumpStream: any
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- proxyCommandStream: SSHProxyStream|null = null
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+ jumpChannel: russh.Channel|null = null
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savedPassword?: string
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get serviceMessage$ (): Observable<string> { return this.serviceMessage }
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get keyboardInteractivePrompt$ (): Observable<KeyboardInteractivePrompt> { return this.keyboardInteractivePrompt }
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get willDestroy$ (): Observable<void> { return this.willDestroy }
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- agentPath?: string
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- activePrivateKey: string|null = null
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+ activePrivateKey: russh.KeyPair|null = null
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authUsername: string|null = null
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open = false
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@@ -79,15 +103,11 @@ export class SSHSession {
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private serviceMessage = new Subject<string>()
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private keyboardInteractivePrompt = new Subject<KeyboardInteractivePrompt>()
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private willDestroy = new Subject<void>()
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- private keychainPasswordUsed = false
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- private hostKeyDigest = ''
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private passwordStorage: PasswordStorageService
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private ngbModal: NgbModal
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private hostApp: HostAppService
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- private platform: PlatformService
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private notifications: NotificationsService
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- private zone: NgZone
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private fileProviders: FileProvidersService
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private config: ConfigService
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private translate: TranslateService
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@@ -103,9 +123,7 @@ export class SSHSession {
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this.passwordStorage = injector.get(PasswordStorageService)
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this.ngbModal = injector.get(NgbModal)
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this.hostApp = injector.get(HostAppService)
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- this.platform = injector.get(PlatformService)
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this.notifications = injector.get(NotificationsService)
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- this.zone = injector.get(NgZone)
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this.fileProviders = injector.get(FileProvidersService)
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this.config = injector.get(ConfigService)
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this.translate = injector.get(TranslateService)
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@@ -120,27 +138,6 @@ export class SSHSession {
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}
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async init (): Promise<void> {
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- if (this.hostApp.platform === Platform.Windows) {
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- if (this.config.store.ssh.agentType === 'auto') {
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- if (await fs.exists(WINDOWS_OPENSSH_AGENT_PIPE)) {
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- this.agentPath = WINDOWS_OPENSSH_AGENT_PIPE
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- } else {
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- if (
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- await this.platform.isProcessRunning('pageant.exe') ||
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- await this.platform.isProcessRunning('gpg-agent.exe')
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- ) {
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- this.agentPath = 'pageant'
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- }
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- }
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- } else if (this.config.store.ssh.agentType === 'pageant') {
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- this.agentPath = 'pageant'
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- } else {
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- this.agentPath = this.config.store.ssh.agentPath || WINDOWS_OPENSSH_AGENT_PIPE
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- }
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- } else {
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- this.agentPath = process.env.SSH_AUTH_SOCK!
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- }
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-
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this.remainingAuthMethods = [{ type: 'none' }]
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if (!this.profile.options.auth || this.profile.options.auth === 'publicKey') {
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if (this.profile.options.privateKeys?.length) {
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@@ -167,184 +164,192 @@ export class SSHSession {
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}
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}
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}
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+
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if (!this.profile.options.auth || this.profile.options.auth === 'agent') {
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- if (!this.agentPath) {
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- this.emitServiceMessage(colors.bgYellow.yellow.black(' ! ') + ` Agent auth selected, but no running agent is detected`)
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+ const spec = await this.getAgentConnectionSpec()
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+ if (!spec) {
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+ this.emitServiceMessage(colors.bgYellow.yellow.black(' ! ') + ` Agent auth selected, but no running Agent process is found`)
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} else {
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- this.remainingAuthMethods.push({ type: 'agent' })
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+ this.remainingAuthMethods.push({
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+ type: 'agent',
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+ ...spec,
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+ })
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}
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}
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if (!this.profile.options.auth || this.profile.options.auth === 'password') {
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- this.remainingAuthMethods.push({ type: 'password' })
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+ if (this.profile.options.password) {
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+ this.remainingAuthMethods.push({ type: 'saved-password', password: this.profile.options.password })
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+ }
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+ const password = await this.passwordStorage.loadPassword(this.profile)
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+ if (password) {
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+ this.remainingAuthMethods.push({ type: 'saved-password', password })
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+ }
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+ this.remainingAuthMethods.push({ type: 'prompt-password' })
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}
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if (!this.profile.options.auth || this.profile.options.auth === 'keyboardInteractive') {
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+ const savedPassword = this.profile.options.password ?? await this.passwordStorage.loadPassword(this.profile)
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+ if (savedPassword) {
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+ this.remainingAuthMethods.push({ type: 'keyboard-interactive', savedPassword })
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+ }
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this.remainingAuthMethods.push({ type: 'keyboard-interactive' })
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}
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this.remainingAuthMethods.push({ type: 'hostbased' })
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}
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+ private async getAgentConnectionSpec (): Promise<russh.AgentConnectionSpec|null> {
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+ if (this.hostApp.platform === Platform.Windows) {
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+ if (this.config.store.ssh.agentType === 'auto') {
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+ if (await fs.exists(WINDOWS_OPENSSH_AGENT_PIPE)) {
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+ return {
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+ kind: 'named-pipe',
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+ path: WINDOWS_OPENSSH_AGENT_PIPE,
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+ }
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+ } else if (russh.isPageantRunning()) {
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+ return {
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+ kind: 'pageant',
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+ }
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+ } else {
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+ this.emitServiceMessage(colors.bgYellow.yellow.black(' ! ') + ` Agent auth selected, but no running Agent process is found`)
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+ }
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+ } else if (this.config.store.ssh.agentType === 'pageant') {
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+ return {
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+ kind: 'pageant',
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+ }
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+ } else {
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+ return {
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+ kind: 'named-pipe',
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+ path: this.config.store.ssh.agentPath || WINDOWS_OPENSSH_AGENT_PIPE,
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+ }
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+ }
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+ } else {
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+ return {
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+ kind: 'unix-socket',
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+ path: process.env.SSH_AUTH_SOCK!,
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+ }
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+ }
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+ return null
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+ }
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+
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async openSFTP (): Promise<SFTPSession> {
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+ if (!(this.ssh instanceof russh.AuthenticatedSSHClient)) {
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+ throw new Error('Cannot open SFTP session before auth')
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+ }
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if (!this.sftp) {
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- this.sftp = await wrapPromise(this.zone, promisify<SFTPWrapper>(f => this.ssh.sftp(f))())
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+ this.sftp = await this.ssh.openSFTPChannel()
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}
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return new SFTPSession(this.sftp, this.injector)
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}
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-
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async start (): Promise<void> {
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- const log = (s: any) => this.emitServiceMessage(s)
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-
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- const ssh = new Client()
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- this.ssh = ssh
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await this.init()
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- let connected = false
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const algorithms = {}
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for (const key of Object.values(SSHAlgorithmType)) {
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algorithms[key] = this.profile.options.algorithms![key].filter(x => supportedAlgorithms[key].includes(x))
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}
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- const hostVerifiedPromise: Promise<void> = new Promise((resolve, reject) => {
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- ssh.on('handshake', async handshake => {
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- if (!await this.verifyHostKey(handshake)) {
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- this.ssh.end()
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- reject(new Error('Host key verification failed'))
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- }
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- this.logger.info('Handshake complete:', handshake)
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- resolve()
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- })
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- })
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-
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- const resultPromise: Promise<void> = new Promise(async (resolve, reject) => {
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- ssh.on('ready', () => {
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- connected = true
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- // Fix SSH Lagging
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- ssh.setNoDelay(true)
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- if (this.savedPassword) {
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- this.passwordStorage.savePassword(this.profile, this.savedPassword)
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- }
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-
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- this.zone.run(resolve)
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- })
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- ssh.on('error', error => {
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- if (error.message === 'All configured authentication methods failed') {
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- this.passwordStorage.deletePassword(this.profile)
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- }
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- this.zone.run(() => {
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- if (connected) {
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- // eslint-disable-next-line @typescript-eslint/no-base-to-string
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- this.notifications.error(error.toString())
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- } else {
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- reject(error)
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- }
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- })
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- })
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- ssh.on('close', () => {
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- if (this.open) {
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- this.destroy()
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- }
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- })
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+ // eslint-disable-next-line @typescript-eslint/init-declarations
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+ let transport: russh.SshTransport
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+ if (this.profile.options.proxyCommand) {
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+ this.emitServiceMessage(colors.bgBlue.black(' Proxy command ') + ` Using ${this.profile.options.proxyCommand}`)
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+
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+ const argv = shellQuote.parse(this.profile.options.proxyCommand)
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+ transport = await russh.SshTransport.newCommand(argv[0], argv.slice(1))
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+ } else if (this.jumpChannel) {
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+ transport = await russh.SshTransport.newSshChannel(await this.jumpChannel.take())
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+ this.jumpChannel = null
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+ } else if (this.profile.options.socksProxyHost) {
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+ this.emitServiceMessage(colors.bgBlue.black(' Proxy ') + ` Using ${this.profile.options.socksProxyHost}:${this.profile.options.socksProxyPort}`)
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+ transport = await russh.SshTransport.newSocksProxy(
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+ this.profile.options.socksProxyHost,
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+ this.profile.options.socksProxyPort ?? 1080,
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+ this.profile.options.host,
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+ this.profile.options.port ?? 22,
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+ )
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+ } else if (this.profile.options.httpProxyHost) {
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+ this.emitServiceMessage(colors.bgBlue.black(' Proxy ') + ` Using ${this.profile.options.httpProxyHost}:${this.profile.options.httpProxyPort}`)
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+ transport = await russh.SshTransport.newHttpProxy(
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+ this.profile.options.httpProxyHost,
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+ this.profile.options.httpProxyPort ?? 8080,
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+ this.profile.options.host,
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+ this.profile.options.port ?? 22,
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+ )
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+ } else {
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+ transport = await russh.SshTransport.newSocket(`${this.profile.options.host.trim()}:${this.profile.options.port ?? 22}`)
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+ }
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- ssh.on('keyboard-interactive', (name, instructions, instructionsLang, prompts, finish) => this.zone.run(async () => {
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- this.emitKeyboardInteractivePrompt(new KeyboardInteractivePrompt(
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- name,
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- instructions,
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- prompts,
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- finish,
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- ))
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- }))
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-
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- ssh.on('greeting', greeting => {
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- if (!this.profile.options.skipBanner) {
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- log('Greeting: ' + greeting)
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+ this.ssh = await russh.SSHClient.connect(
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+ transport,
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+ async key => {
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+ if (!await this.verifyHostKey(key)) {
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+ return false
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}
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- })
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+ this.logger.info('Host key verified')
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+ return true
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+ },
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+ {
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+ preferred: {
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+ ciphers: this.profile.options.algorithms?.[SSHAlgorithmType.CIPHER]?.filter(x => supportedAlgorithms[SSHAlgorithmType.CIPHER].includes(x)),
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+ kex: this.profile.options.algorithms?.[SSHAlgorithmType.KEX]?.filter(x => supportedAlgorithms[SSHAlgorithmType.KEX].includes(x)),
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+ mac: this.profile.options.algorithms?.[SSHAlgorithmType.HMAC]?.filter(x => supportedAlgorithms[SSHAlgorithmType.HMAC].includes(x)),
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+ key: this.profile.options.algorithms?.[SSHAlgorithmType.HOSTKEY]?.filter(x => supportedAlgorithms[SSHAlgorithmType.HOSTKEY].includes(x)),
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+ },
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+ keepaliveIntervalSeconds: Math.round((this.profile.options.keepaliveInterval ?? 15000) / 1000),
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+ keepaliveCountMax: this.profile.options.keepaliveCountMax,
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+ connectionTimeoutSeconds: this.profile.options.readyTimeout ? Math.round(this.profile.options.readyTimeout / 1000) : undefined,
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+ },
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+ )
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- ssh.on('banner', banner => {
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- if (!this.profile.options.skipBanner) {
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- log(banner)
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- }
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- })
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+ this.ssh.banner$.subscribe(banner => {
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+ if (!this.profile.options.skipBanner) {
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|
|
+ this.emitServiceMessage(banner)
|
|
|
+ }
|
|
|
})
|
|
|
|
|
|
- try {
|
|
|
- if (this.profile.options.socksProxyHost) {
|
|
|
- this.emitServiceMessage(colors.bgBlue.black(' Proxy ') + ` Using ${this.profile.options.socksProxyHost}:${this.profile.options.socksProxyPort}`)
|
|
|
- this.proxyCommandStream = new SocksProxyStream(this.profile)
|
|
|
- }
|
|
|
- if (this.profile.options.httpProxyHost) {
|
|
|
- this.emitServiceMessage(colors.bgBlue.black(' Proxy ') + ` Using ${this.profile.options.httpProxyHost}:${this.profile.options.httpProxyPort}`)
|
|
|
- this.proxyCommandStream = new HTTPProxyStream(this.profile)
|
|
|
+ this.ssh.disconnect$.subscribe(() => {
|
|
|
+ if (this.open) {
|
|
|
+ this.destroy()
|
|
|
}
|
|
|
- if (this.profile.options.proxyCommand) {
|
|
|
- this.emitServiceMessage(colors.bgBlue.black(' Proxy command ') + ` Using ${this.profile.options.proxyCommand}`)
|
|
|
- this.proxyCommandStream = new ProxyCommandStream(this.profile.options.proxyCommand)
|
|
|
- }
|
|
|
- if (this.proxyCommandStream) {
|
|
|
- this.proxyCommandStream.destroyed$.subscribe(err => {
|
|
|
- if (err) {
|
|
|
- this.emitServiceMessage(colors.bgRed.black(' X ') + ` ${err.message}`)
|
|
|
- this.destroy()
|
|
|
- }
|
|
|
- })
|
|
|
+ })
|
|
|
|
|
|
- this.proxyCommandStream.message$.subscribe(message => {
|
|
|
- this.emitServiceMessage(colors.bgBlue.black(' Proxy ') + ' ' + message.trim())
|
|
|
- })
|
|
|
+ // Authentication
|
|
|
|
|
|
- await this.proxyCommandStream.start()
|
|
|
+ this.authUsername ??= this.profile.options.user
|
|
|
+ if (!this.authUsername) {
|
|
|
+ const modal = this.ngbModal.open(PromptModalComponent)
|
|
|
+ modal.componentInstance.prompt = `Username for ${this.profile.options.host}`
|
|
|
+ try {
|
|
|
+ const result = await modal.result.catch(() => null)
|
|
|
+ this.authUsername = result?.value ?? null
|
|
|
+ } catch {
|
|
|
+ this.authUsername = 'root'
|
|
|
}
|
|
|
+ }
|
|
|
|
|
|
- this.authUsername ??= this.profile.options.user
|
|
|
- if (!this.authUsername) {
|
|
|
- const modal = this.ngbModal.open(PromptModalComponent)
|
|
|
- modal.componentInstance.prompt = `Username for ${this.profile.options.host}`
|
|
|
- try {
|
|
|
- const result = await modal.result.catch(() => null)
|
|
|
- this.authUsername = result?.value ?? null
|
|
|
- } catch {
|
|
|
- this.authUsername = 'root'
|
|
|
- }
|
|
|
- }
|
|
|
- if (this.authUsername?.startsWith('$')) {
|
|
|
- try {
|
|
|
- const result = process.env[this.authUsername.slice(1)]
|
|
|
- this.authUsername = result ?? this.authUsername
|
|
|
- } catch {
|
|
|
- this.authUsername = 'root'
|
|
|
- }
|
|
|
+ if (this.authUsername?.startsWith('$')) {
|
|
|
+ try {
|
|
|
+ const result = process.env[this.authUsername.slice(1)]
|
|
|
+ this.authUsername = result ?? this.authUsername
|
|
|
+ } catch {
|
|
|
+ this.authUsername = 'root'
|
|
|
}
|
|
|
+ }
|
|
|
|
|
|
- ssh.connect({
|
|
|
- host: this.profile.options.host.trim(),
|
|
|
- port: this.profile.options.port ?? 22,
|
|
|
- sock: this.proxyCommandStream?.socket ?? this.jumpStream,
|
|
|
- username: this.authUsername ?? undefined,
|
|
|
- tryKeyboard: true,
|
|
|
- agent: this.agentPath,
|
|
|
- agentForward: this.profile.options.agentForward && !!this.agentPath,
|
|
|
- keepaliveInterval: this.profile.options.keepaliveInterval ?? 15000,
|
|
|
- keepaliveCountMax: this.profile.options.keepaliveCountMax,
|
|
|
- readyTimeout: this.profile.options.readyTimeout,
|
|
|
- hostVerifier: (key: any) => {
|
|
|
- this.hostKeyDigest = crypto.createHash('sha256').update(key).digest('base64')
|
|
|
- return true
|
|
|
- },
|
|
|
- algorithms,
|
|
|
- authHandler: (methodsLeft, partialSuccess, callback) => {
|
|
|
- this.zone.run(async () => {
|
|
|
- await hostVerifiedPromise
|
|
|
- callback(await this.handleAuth(methodsLeft))
|
|
|
- })
|
|
|
- },
|
|
|
- })
|
|
|
- } catch (e) {
|
|
|
- this.notifications.error(e.message)
|
|
|
- throw e
|
|
|
+ const authenticatedClient = await this.handleAuth()
|
|
|
+ if (authenticatedClient) {
|
|
|
+ this.ssh = authenticatedClient
|
|
|
+ } else {
|
|
|
+ this.ssh.disconnect()
|
|
|
+ this.passwordStorage.deletePassword(this.profile)
|
|
|
+ // eslint-disable-next-line @typescript-eslint/no-base-to-string
|
|
|
+ throw new Error('Authentication rejected')
|
|
|
}
|
|
|
|
|
|
- await resultPromise
|
|
|
- await hostVerifiedPromise
|
|
|
+ // auth success
|
|
|
+
|
|
|
+ if (this.savedPassword) {
|
|
|
+ this.passwordStorage.savePassword(this.profile, this.savedPassword)
|
|
|
+ }
|
|
|
|
|
|
for (const fw of this.profile.options.forwardedPorts ?? []) {
|
|
|
this.addPortForward(Object.assign(new ForwardedPort(), fw))
|
|
|
@@ -352,12 +357,11 @@ export class SSHSession {
|
|
|
|
|
|
this.open = true
|
|
|
|
|
|
- this.ssh.on('tcp connection', (details, accept, reject) => {
|
|
|
- this.logger.info(`Incoming forwarded connection: (remote) ${details.srcIP}:${details.srcPort} -> (local) ${details.destIP}:${details.destPort}`)
|
|
|
- const forward = this.forwardedPorts.find(x => x.port === details.destPort)
|
|
|
+ this.ssh.tcpChannelOpen$.subscribe(async event => {
|
|
|
+ this.logger.info(`Incoming forwarded connection: ${event.clientAddress}:${event.clientPort} -> ${event.targetAddress}:${event.targetPort}`)
|
|
|
+ const forward = this.forwardedPorts.find(x => x.port === event.targetPort && x.host === event.targetAddress)
|
|
|
if (!forward) {
|
|
|
- this.emitServiceMessage(colors.bgRed.black(' X ') + ` Rejected incoming forwarded connection for unrecognized port ${details.destPort}`)
|
|
|
- reject()
|
|
|
+ this.emitServiceMessage(colors.bgRed.black(' X ') + ` Rejected incoming forwarded connection for unrecognized port ${event.targetAddress}:${event.targetPort}`)
|
|
|
return
|
|
|
}
|
|
|
const socket = new Socket()
|
|
|
@@ -365,24 +369,19 @@ export class SSHSession {
|
|
|
socket.on('error', e => {
|
|
|
// eslint-disable-next-line @typescript-eslint/no-base-to-string
|
|
|
this.emitServiceMessage(colors.bgRed.black(' X ') + ` Could not forward the remote connection to ${forward.targetAddress}:${forward.targetPort}: ${e}`)
|
|
|
- reject()
|
|
|
+ event.channel.close()
|
|
|
})
|
|
|
+ event.channel.data$.subscribe(data => socket.write(data))
|
|
|
+ socket.on('data', data => event.channel.write(Uint8Array.from(data)))
|
|
|
+ event.channel.closed$.subscribe(() => socket.destroy())
|
|
|
+ socket.on('close', () => event.channel.close())
|
|
|
socket.on('connect', () => {
|
|
|
this.logger.info('Connection forwarded')
|
|
|
- const stream = accept()
|
|
|
- stream.pipe(socket)
|
|
|
- socket.pipe(stream)
|
|
|
- stream.on('close', () => {
|
|
|
- socket.destroy()
|
|
|
- })
|
|
|
- socket.on('close', () => {
|
|
|
- stream.close()
|
|
|
- })
|
|
|
})
|
|
|
})
|
|
|
|
|
|
- this.ssh.on('x11', async (details, accept, reject) => {
|
|
|
- this.logger.info(`Incoming X11 connection from ${details.srcIP}:${details.srcPort}`)
|
|
|
+ this.ssh.x11ChannelOpen$.subscribe(async event => {
|
|
|
+ this.logger.info(`Incoming X11 connection from ${event.clientAddress}:${event.clientPort}`)
|
|
|
const displaySpec = (this.config.store.ssh.x11Display || process.env.DISPLAY) ?? 'localhost:0'
|
|
|
this.logger.debug(`Trying display ${displaySpec}`)
|
|
|
|
|
|
@@ -390,14 +389,18 @@ export class SSHSession {
|
|
|
try {
|
|
|
const x11Stream = await socket.connect(displaySpec)
|
|
|
this.logger.info('Connection forwarded')
|
|
|
- const stream = accept()
|
|
|
- stream.pipe(x11Stream)
|
|
|
- x11Stream.pipe(stream)
|
|
|
- stream.on('close', () => {
|
|
|
+
|
|
|
+ event.channel.data$.subscribe(data => {
|
|
|
+ x11Stream.write(data)
|
|
|
+ })
|
|
|
+ x11Stream.on('data', data => {
|
|
|
+ event.channel.write(Uint8Array.from(data))
|
|
|
+ })
|
|
|
+ event.channel.closed$.subscribe(() => {
|
|
|
socket.destroy()
|
|
|
})
|
|
|
x11Stream.on('close', () => {
|
|
|
- stream.close()
|
|
|
+ event.channel.close()
|
|
|
})
|
|
|
} catch (e) {
|
|
|
// eslint-disable-next-line @typescript-eslint/no-base-to-string
|
|
|
@@ -408,27 +411,43 @@ export class SSHSession {
|
|
|
this.emitServiceMessage(' * VcXsrv: https://sourceforge.net/projects/vcxsrv/')
|
|
|
this.emitServiceMessage(' * Xming: https://sourceforge.net/projects/xming/')
|
|
|
}
|
|
|
- reject()
|
|
|
+ event.channel.close()
|
|
|
}
|
|
|
})
|
|
|
+
|
|
|
+ this.ssh.agentChannelOpen$.subscribe(async channel => {
|
|
|
+ const spec = await this.getAgentConnectionSpec()
|
|
|
+ if (!spec) {
|
|
|
+ await channel.close()
|
|
|
+ return
|
|
|
+ }
|
|
|
+
|
|
|
+ const agent = await russh.SSHAgentStream.connect(spec)
|
|
|
+ channel.data$.subscribe(data => agent.write(data))
|
|
|
+ agent.data$.subscribe(data => channel.write(data), undefined, () => channel.close())
|
|
|
+ channel.closed$.subscribe(() => agent.close())
|
|
|
+ })
|
|
|
}
|
|
|
|
|
|
- private async verifyHostKey (handshake: Handshake): Promise<boolean> {
|
|
|
+ private async verifyHostKey (key: russh.SshPublicKey): Promise<boolean> {
|
|
|
this.emitServiceMessage('Host key fingerprint:')
|
|
|
- this.emitServiceMessage(colors.white.bgBlack(` ${handshake.serverHostKey} `) + colors.bgBlackBright(' ' + this.hostKeyDigest + ' '))
|
|
|
+ this.emitServiceMessage(colors.white.bgBlack(` ${key.algorithm()} `) + colors.bgBlackBright(' ' + key.fingerprint() + ' '))
|
|
|
if (!this.config.store.ssh.verifyHostKeys) {
|
|
|
return true
|
|
|
}
|
|
|
const selector = {
|
|
|
host: this.profile.options.host,
|
|
|
port: this.profile.options.port ?? 22,
|
|
|
- type: handshake.serverHostKey,
|
|
|
+ type: key.algorithm(),
|
|
|
}
|
|
|
+
|
|
|
+ const keyDigest = crypto.createHash('sha256').update(key.bytes()).digest('base64')
|
|
|
+
|
|
|
const knownHost = this.knownHosts.getFor(selector)
|
|
|
- if (!knownHost || knownHost.digest !== this.hostKeyDigest) {
|
|
|
+ if (!knownHost || knownHost.digest !== keyDigest) {
|
|
|
const modal = this.ngbModal.open(HostKeyPromptModalComponent)
|
|
|
modal.componentInstance.selector = selector
|
|
|
- modal.componentInstance.digest = this.hostKeyDigest
|
|
|
+ modal.componentInstance.digest = keyDigest
|
|
|
return modal.result.catch(() => false)
|
|
|
}
|
|
|
return true
|
|
|
@@ -450,57 +469,49 @@ export class SSHSession {
|
|
|
this.keyboardInteractivePrompt.next(prompt)
|
|
|
}
|
|
|
|
|
|
- async handleAuth (methodsLeft?: string[] | null): Promise<any> {
|
|
|
+ async handleAuth (methodsLeft?: string[] | null): Promise<russh.AuthenticatedSSHClient|null> {
|
|
|
this.activePrivateKey = null
|
|
|
|
|
|
+ if (!(this.ssh instanceof russh.SSHClient)) {
|
|
|
+ throw new Error('Wrong state for auth handling')
|
|
|
+ }
|
|
|
+
|
|
|
+ if (!this.authUsername) {
|
|
|
+ throw new Error('No username')
|
|
|
+ }
|
|
|
+
|
|
|
while (true) {
|
|
|
const method = this.remainingAuthMethods.shift()
|
|
|
if (!method) {
|
|
|
- return false
|
|
|
+ return null
|
|
|
}
|
|
|
if (methodsLeft && !methodsLeft.includes(method.type) && method.type !== 'agent') {
|
|
|
// Agent can still be used even if not in methodsLeft
|
|
|
this.logger.info('Server does not support auth method', method.type)
|
|
|
continue
|
|
|
}
|
|
|
- if (method.type === 'password') {
|
|
|
- if (this.profile.options.password) {
|
|
|
- this.emitServiceMessage(this.translate.instant('Using preset password'))
|
|
|
- return {
|
|
|
- type: 'password',
|
|
|
- username: this.authUsername,
|
|
|
- password: this.profile.options.password,
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- if (!this.keychainPasswordUsed && this.profile.options.user) {
|
|
|
- const password = await this.passwordStorage.loadPassword(this.profile)
|
|
|
- if (password) {
|
|
|
- this.emitServiceMessage(this.translate.instant('Trying saved password'))
|
|
|
- this.keychainPasswordUsed = true
|
|
|
- return {
|
|
|
- type: 'password',
|
|
|
- username: this.authUsername,
|
|
|
- password,
|
|
|
- }
|
|
|
- }
|
|
|
+ if (method.type === 'saved-password') {
|
|
|
+ this.emitServiceMessage(this.translate.instant('Using saved password'))
|
|
|
+ const result = await this.ssh.authenticateWithPassword(this.authUsername, method.password)
|
|
|
+ if (result) {
|
|
|
+ return result
|
|
|
}
|
|
|
-
|
|
|
+ }
|
|
|
+ if (method.type === 'prompt-password') {
|
|
|
const modal = this.ngbModal.open(PromptModalComponent)
|
|
|
modal.componentInstance.prompt = `Password for ${this.authUsername}@${this.profile.options.host}`
|
|
|
modal.componentInstance.password = true
|
|
|
modal.componentInstance.showRememberCheckbox = true
|
|
|
|
|
|
try {
|
|
|
- const result = await modal.result.catch(() => null)
|
|
|
- if (result) {
|
|
|
- if (result.remember) {
|
|
|
- this.savedPassword = result.value
|
|
|
+ const promptResult = await modal.result.catch(() => null)
|
|
|
+ if (promptResult) {
|
|
|
+ if (promptResult.remember) {
|
|
|
+ this.savedPassword = promptResult.value
|
|
|
}
|
|
|
- return {
|
|
|
- type: 'password',
|
|
|
- username: this.authUsername,
|
|
|
- password: result.value,
|
|
|
+ const result = await this.ssh.authenticateWithPassword(this.authUsername, promptResult.value)
|
|
|
+ if (result) {
|
|
|
+ return result
|
|
|
}
|
|
|
} else {
|
|
|
continue
|
|
|
@@ -509,50 +520,104 @@ export class SSHSession {
|
|
|
continue
|
|
|
}
|
|
|
}
|
|
|
- if (method.type === 'publickey' && method.contents) {
|
|
|
+ if (method.type === 'publickey') {
|
|
|
try {
|
|
|
- const key = await this.loadPrivateKey(method.name!, method.contents)
|
|
|
- return {
|
|
|
- type: 'publickey',
|
|
|
- username: this.authUsername,
|
|
|
- key,
|
|
|
+ const key = await this.loadPrivateKey(method.name, method.contents)
|
|
|
+ const result = await this.ssh.authenticateWithKeyPair(this.authUsername, key)
|
|
|
+ if (result) {
|
|
|
+ return result
|
|
|
}
|
|
|
} catch (e) {
|
|
|
this.emitServiceMessage(colors.bgYellow.yellow.black(' ! ') + ` Failed to load private key ${method.name}: ${e}`)
|
|
|
continue
|
|
|
}
|
|
|
}
|
|
|
- return method.type
|
|
|
+ if (method.type === 'keyboard-interactive') {
|
|
|
+ let state: russh.AuthenticatedSSHClient|russh.KeyboardInteractiveAuthenticationState = await this.ssh.startKeyboardInteractiveAuthentication(this.authUsername)
|
|
|
+
|
|
|
+ while (true) {
|
|
|
+ if (state.state === 'failure') {
|
|
|
+ break
|
|
|
+ }
|
|
|
+
|
|
|
+ const prompts = state.prompts()
|
|
|
+
|
|
|
+ let responses: string[] = []
|
|
|
+ // OpenSSH can send a k-i request without prompts
|
|
|
+ // just respond ok to it
|
|
|
+ if (prompts.length > 0) {
|
|
|
+ const prompt = new KeyboardInteractivePrompt(
|
|
|
+ state.name,
|
|
|
+ state.instructions,
|
|
|
+ state.prompts(),
|
|
|
+ )
|
|
|
+
|
|
|
+ if (method.savedPassword) {
|
|
|
+ // eslint-disable-next-line max-depth
|
|
|
+ for (let i = 0; i < prompt.prompts.length; i++) {
|
|
|
+ // eslint-disable-next-line max-depth
|
|
|
+ if (prompt.isAPasswordPrompt(i)) {
|
|
|
+ prompt.responses[i] = method.savedPassword
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ this.emitKeyboardInteractivePrompt(prompt)
|
|
|
+
|
|
|
+ try {
|
|
|
+ // eslint-disable-next-line @typescript-eslint/await-thenable
|
|
|
+ responses = await prompt.promise
|
|
|
+ } catch {
|
|
|
+ break // this loop
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ state = await this.ssh .continueKeyboardInteractiveAuthentication(responses)
|
|
|
+
|
|
|
+ if (state instanceof russh.AuthenticatedSSHClient) {
|
|
|
+ return state
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ if (method.type === 'agent') {
|
|
|
+ try {
|
|
|
+ const result = await this.ssh.authenticateWithAgent(this.authUsername, method)
|
|
|
+ if (result) {
|
|
|
+ return result
|
|
|
+ }
|
|
|
+ } catch (e) {
|
|
|
+ this.emitServiceMessage(colors.bgYellow.yellow.black(' ! ') + ` Failed to authenticate using agent: ${e}`)
|
|
|
+ continue
|
|
|
+ }
|
|
|
+ }
|
|
|
}
|
|
|
+ return null
|
|
|
}
|
|
|
|
|
|
async addPortForward (fw: ForwardedPort): Promise<void> {
|
|
|
if (fw.type === PortForwardType.Local || fw.type === PortForwardType.Dynamic) {
|
|
|
- await fw.startLocalListener((accept, reject, sourceAddress, sourcePort, targetAddress, targetPort) => {
|
|
|
+ await fw.startLocalListener(async (accept, reject, sourceAddress, sourcePort, targetAddress, targetPort) => {
|
|
|
this.logger.info(`New connection on ${fw}`)
|
|
|
- this.ssh.forwardOut(
|
|
|
- sourceAddress ?? '127.0.0.1',
|
|
|
- sourcePort ?? 0,
|
|
|
- targetAddress,
|
|
|
- targetPort,
|
|
|
- (err, stream) => {
|
|
|
- if (err) {
|
|
|
- // eslint-disable-next-line @typescript-eslint/no-base-to-string
|
|
|
- this.emitServiceMessage(colors.bgRed.black(' X ') + ` Remote has rejected the forwarded connection to ${targetAddress}:${targetPort} via ${fw}: ${err}`)
|
|
|
- reject()
|
|
|
- return
|
|
|
- }
|
|
|
- const socket = accept()
|
|
|
- stream.pipe(socket)
|
|
|
- socket.pipe(stream)
|
|
|
- stream.on('close', () => {
|
|
|
- socket.destroy()
|
|
|
- })
|
|
|
- socket.on('close', () => {
|
|
|
- stream.close()
|
|
|
- })
|
|
|
- },
|
|
|
- )
|
|
|
+ if (!(this.ssh instanceof russh.AuthenticatedSSHClient)) {
|
|
|
+ this.logger.error(`Connection while unauthenticated on ${fw}`)
|
|
|
+ reject()
|
|
|
+ return
|
|
|
+ }
|
|
|
+ const channel = await this.ssh.openTCPForwardChannel({
|
|
|
+ addressToConnectTo: targetAddress,
|
|
|
+ portToConnectTo: targetPort,
|
|
|
+ originatorAddress: sourceAddress ?? '127.0.0.1',
|
|
|
+ originatorPort: sourcePort ?? 0,
|
|
|
+ }).catch(err => {
|
|
|
+ this.emitServiceMessage(colors.bgRed.black(' X ') + ` Remote has rejected the forwarded connection to ${targetAddress}:${targetPort} via ${fw}: ${err}`)
|
|
|
+ reject()
|
|
|
+ throw err
|
|
|
+ })
|
|
|
+ const socket = accept()
|
|
|
+ channel.data$.subscribe(data => socket.write(data))
|
|
|
+ socket.on('data', data => channel.write(Uint8Array.from(data)))
|
|
|
+ channel.closed$.subscribe(() => socket.destroy())
|
|
|
+ socket.on('close', () => channel.close())
|
|
|
}).then(() => {
|
|
|
this.emitServiceMessage(colors.bgGreen.black(' -> ') + ` Forwarded ${fw}`)
|
|
|
this.forwardedPorts.push(fw)
|
|
|
@@ -562,17 +627,16 @@ export class SSHSession {
|
|
|
})
|
|
|
}
|
|
|
if (fw.type === PortForwardType.Remote) {
|
|
|
- await new Promise<void>((resolve, reject) => {
|
|
|
- this.ssh.forwardIn(fw.host, fw.port, err => {
|
|
|
- if (err) {
|
|
|
- // eslint-disable-next-line @typescript-eslint/no-base-to-string
|
|
|
- this.emitServiceMessage(colors.bgRed.black(' X ') + ` Remote rejected port forwarding for ${fw}: ${err}`)
|
|
|
- reject(err)
|
|
|
- return
|
|
|
- }
|
|
|
- resolve()
|
|
|
- })
|
|
|
- })
|
|
|
+ if (!(this.ssh instanceof russh.AuthenticatedSSHClient)) {
|
|
|
+ throw new Error('Cannot add remote port forward before auth')
|
|
|
+ }
|
|
|
+ try {
|
|
|
+ await this.ssh.forwardTCPPort(fw.host, fw.port)
|
|
|
+ } catch (err) {
|
|
|
+ // eslint-disable-next-line @typescript-eslint/no-base-to-string
|
|
|
+ this.emitServiceMessage(colors.bgRed.black(' X ') + ` Remote rejected port forwarding for ${fw}: ${err}`)
|
|
|
+ return
|
|
|
+ }
|
|
|
this.emitServiceMessage(colors.bgGreen.black(' <- ') + ` Forwarded ${fw}`)
|
|
|
this.forwardedPorts.push(fw)
|
|
|
}
|
|
|
@@ -584,7 +648,10 @@ export class SSHSession {
|
|
|
this.forwardedPorts = this.forwardedPorts.filter(x => x !== fw)
|
|
|
}
|
|
|
if (fw.type === PortForwardType.Remote) {
|
|
|
- this.ssh.unforwardIn(fw.host, fw.port)
|
|
|
+ if (!(this.ssh instanceof russh.AuthenticatedSSHClient)) {
|
|
|
+ throw new Error('Cannot remove remote port forward before auth')
|
|
|
+ }
|
|
|
+ this.ssh.stopForwardingTCPPort(fw.host, fw.port)
|
|
|
this.forwardedPorts = this.forwardedPorts.filter(x => x !== fw)
|
|
|
}
|
|
|
this.emitServiceMessage(`Stopped forwarding ${fw}`)
|
|
|
@@ -595,43 +662,55 @@ export class SSHSession {
|
|
|
this.willDestroy.next()
|
|
|
this.willDestroy.complete()
|
|
|
this.serviceMessage.complete()
|
|
|
- this.proxyCommandStream?.stop()
|
|
|
- this.ssh.end()
|
|
|
+ this.ssh.disconnect()
|
|
|
}
|
|
|
|
|
|
- openShellChannel (options: { x11: boolean }): Promise<ClientChannel> {
|
|
|
- return new Promise<ClientChannel>((resolve, reject) => {
|
|
|
- this.ssh.shell({ term: 'xterm-256color' }, options, (err, shell) => {
|
|
|
- if (err) {
|
|
|
- reject(err)
|
|
|
- } else {
|
|
|
- resolve(shell)
|
|
|
- }
|
|
|
- })
|
|
|
+ async openShellChannel (options: { x11: boolean }): Promise<russh.Channel> {
|
|
|
+ if (!(this.ssh instanceof russh.AuthenticatedSSHClient)) {
|
|
|
+ throw new Error('Cannot open shell channel before auth')
|
|
|
+ }
|
|
|
+ const ch = await this.ssh.openSessionChannel()
|
|
|
+ await ch.requestPTY('xterm-256color', {
|
|
|
+ columns: 80,
|
|
|
+ rows: 24,
|
|
|
+ pixHeight: 0,
|
|
|
+ pixWidth: 0,
|
|
|
})
|
|
|
+ if (options.x11) {
|
|
|
+ await ch.requestX11Forwarding({
|
|
|
+ singleConnection: false,
|
|
|
+ authProtocol: 'MIT-MAGIC-COOKIE-1',
|
|
|
+ authCookie: crypto.randomBytes(16).toString('hex'),
|
|
|
+ screenNumber: 0,
|
|
|
+ })
|
|
|
+ }
|
|
|
+ if (this.profile.options.agentForward) {
|
|
|
+ await ch.requestAgentForwarding()
|
|
|
+ }
|
|
|
+ await ch.requestShell()
|
|
|
+ return ch
|
|
|
}
|
|
|
|
|
|
- async loadPrivateKey (name: string, privateKeyContents: Buffer): Promise<string|null> {
|
|
|
+ async loadPrivateKey (name: string, privateKeyContents: Buffer): Promise<russh.KeyPair> {
|
|
|
this.emitServiceMessage(`Loading private key: ${name}`)
|
|
|
- const parsedKey = await this.parsePrivateKey(privateKeyContents.toString())
|
|
|
- this.activePrivateKey = parsedKey.toString('openssh')
|
|
|
+ this.activePrivateKey = await this.loadPrivateKeyWithPassphraseMaybe(privateKeyContents.toString())
|
|
|
return this.activePrivateKey
|
|
|
}
|
|
|
|
|
|
- async parsePrivateKey (privateKey: string): Promise<any> {
|
|
|
+ async loadPrivateKeyWithPassphraseMaybe (privateKey: string): Promise<russh.KeyPair> {
|
|
|
const keyHash = crypto.createHash('sha512').update(privateKey).digest('hex')
|
|
|
let triedSavedPassphrase = false
|
|
|
let passphrase: string|null = null
|
|
|
while (true) {
|
|
|
try {
|
|
|
- return sshpk.parsePrivateKey(privateKey, 'auto', { passphrase })
|
|
|
+ return await russh.KeyPair.parse(privateKey, passphrase ?? undefined)
|
|
|
} catch (e) {
|
|
|
if (!triedSavedPassphrase) {
|
|
|
passphrase = await this.passwordStorage.loadPrivateKeyPassword(keyHash)
|
|
|
triedSavedPassphrase = true
|
|
|
continue
|
|
|
}
|
|
|
- if (e instanceof sshpk.KeyEncryptedError || e instanceof sshpk.KeyParseError) {
|
|
|
+ if (e.toString() === 'Error: Keys(KeyIsEncrypted)' || e.toString() === 'Error: Keys(SshKey(Crypto))') {
|
|
|
await this.passwordStorage.deletePrivateKeyPassword(keyHash)
|
|
|
|
|
|
const modal = this.ngbModal.open(PromptModalComponent)
|
Eugene