#!/usr/bin/python3 -cimport os, sys; os.execv(os.path.dirname(sys.argv[1]) + "/../common/pywrap", sys.argv)

#
# Copyright (C) 2013 Red Hat, Inc.
# SPDX-License-Identifier: LGPL-2.1-or-later


import re
import subprocess
import time

import testlib


def break_hostkey(m, address):
    filename = "/home/admin/.ssh/known_hosts"

    m.execute(f'su admin -c "mkdir -p -m 700 `dirname {filename}`"')
    key = f"{address} ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIJqfgO2FPiix1n2sCJCXbaffwog1Vvi3zRdmcAxG//5T"
    m.write(filename, key, owner="admin:admin")


def fix_hostkey(m, key=None):
    filename = "/home/admin/.ssh/known_hosts"
    m.execute(f'su admin -c "mkdir -p -m 700 `dirname {filename}`"')
    m.write(filename, key or '', owner="admin:admin")


def break_bridge(m):
    # we really want to get a "not found" in the shell, not a "permission denied" (which we would get with a
    # non-executable present file or link)
    m.execute("""
        mkdir -p /tmp/overlay /tmp/work
        mount -t overlay overlay -o lowerdir=/usr/bin,upperdir=/tmp/overlay,workdir=/tmp/work /usr/bin
        rm /usr/bin/cockpit-bridge
        """)


def fix_bridge(m):
    # umount lives in /usr, so needs a little dance for the EBUSY
    m.execute("""
        umount -l /usr/bin
        while mountpoint -q /usr/bin; do sleep 0.5; done
        rm -rf /tmp/overlay /tmp/work /tmp/umount
        """)


def check_failed_state(b, expected_title):
    b.wait_in_text('#hosts_setup_server_dialog h1', expected_title)
    b.click("#hosts_setup_server_dialog button:contains('Close')")
    b.wait_not_present('#hosts_setup_server_dialog')


def fail_login(b):
    b.click('#hosts_setup_server_dialog button:contains("Log in")')
    b.wait_visible('#hosts_setup_server_dialog button:contains("Log in"):not([disabled])')
    b.wait_in_text("#hosts_setup_server_dialog .pf-v6-c-alert", "Login failed")


def kill_user_admin(machine):
    machine.execute("loginctl terminate-user admin")


def change_ssh_port(machine, address, sshd_socket, sshd_service, port=None, timeout_sec=120):
    try:
        port = int(port)
    except (ValueError, TypeError):
        port = 22

    # Keep in mind that not all operating systems have firewalld
    machine.execute(f"firewall-cmd --permanent --zone=public --add-port={port}/tcp || true")
    machine.execute("firewall-cmd --reload || true")
    if machine.ostree_image:  # no semanage
        machine.execute("setenforce 0")
    else:
        machine.execute(f"! selinuxenabled || semanage port -a -t ssh_port_t -p tcp {port}")
    if machine.image.startswith("ubuntu"):  # always socket activated
        machine.write("/etc/systemd/system/ssh.socket.d/override.conf",
                      f"[Socket]\nListenStream=\nListenStream=127.27.0.15:22\nListenStream={address}:{port}")
        machine.execute("systemctl daemon-reload")
        machine.execute("systemctl restart ssh.socket")
    else:
        machine.execute("sed -i 's/.*Port .*/#\\0/' /etc/ssh/sshd_config")
        machine.write("/etc/ssh/sshd_config",
                      f"ListenAddress 127.27.0.15:22\nListenAddress {address}:{port}\n",
                      append=True)
        # We stop the sshd.socket unit and just go with a regular
        # daemon.  This is more portable and reloading/restarting the
        # socket doesn't seem to work well.
        #
        if sshd_socket:
            machine.execute(f"systemctl stop {sshd_socket}")
        machine.execute(f"systemctl restart {sshd_service}")

    start_time = time.time()
    error = None
    while (time.time() - start_time) < timeout_sec:
        try:
            machine.execute(
                f"ssh -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no -o CheckHostIP=no -o PasswordAuthentication=no -p {port} {address} 2>&1 | grep -q 'Permission denied'", quiet=True)
            return
        except Exception as e:
            error = e
        time.sleep(0.5)
    raise error


@testlib.skipBeiboot("host switching disabled in beiboot mode")
class TestMultiMachineAdd(testlib.MachineCase):
    provision = {
        "machine1": {"address": "10.111.113.1/20"},
        "machine2": {"address": "10.111.113.2/20"},
        "machine3": {"address": "10.111.113.3/20"},
    }

    def setUp(self):
        super().setUp()
        self.machine2 = self.machines['machine2']
        self.machine3 = self.machines['machine3']

        # Disable preloading on all machines
        # Preloading on machines debug build can overload the browser and cause slowness and browser crashes,
        # and failing to load software updates breaks pixel tests in release builds
        self.setup_provisioned_hosts(disable_preload=True)
        self.setup_ssh_auth()
        self.enable_multihost(self.machine)

    def testBasic(self):
        b = self.browser
        m = self.machine
        m2 = self.machine2
        m3 = self.machine3
        m3_host = "10.111.113.3:2222"
        change_ssh_port(m3, "10.111.113.3", self.sshd_socket, self.sshd_service, port=2222)

        hostname_selector = "#system_information_hostname_text"

        self.login_and_go(None)
        b.add_machine("10.111.113.2", password=None)
        b.add_machine(m3_host, password=None, expect_warning=False)

        b.switch_to_top()
        b.click("#hosts-sel button")

        kill_user_admin(m2)
        with b.wait_timeout(30):
            b.wait_visible("#machine2-error")

        kill_user_admin(m3)
        with b.wait_timeout(30):
            b.wait_visible("#machine3-error")

        # Navigating reconnects
        b.click("a[href='/@10.111.113.2']")

        b.wait_js_cond('window.location.pathname == "/@10.111.113.2/system"')
        b.enter_page("/system", host="10.111.113.2")
        b.wait_text(hostname_selector, "machine2")

        b.switch_to_top()
        b.click("#hosts-sel button")
        b.wait_visible("a[href='/@10.111.113.2']")
        b.wait_not_present("#machine2-error")

        b.click("a[href='/@10.111.113.3']")

        b.wait_js_cond('window.location.pathname == "/@10.111.113.3/system"')
        b.enter_page("/system", host=m3_host)
        b.wait_text(hostname_selector, "machine3")

        b.switch_to_top()
        b.click("#hosts-sel button")
        b.wait_visible("a[href='/@10.111.113.3']")
        b.wait_not_present("#machine3-error")

        self.allow_restart_journal_messages()
        self.allow_hostkey_messages()
        # Might happen when killing the bridge.
        self.allow_journal_messages("localhost: dropping message while waiting for child to exit",
                                    "Received message for unknown channel: .*",
                                    '.*: Socket error: disconnected',
                                    ".*: error reading from ssh",
                                    ".*: bridge failed: .*",
                                    ".*: bridge program failed: Child process exited with code .*")

        # in a remote Shell secondary session, ssh-connecting to other machines happens from primary machine
        kill_user_admin(m3)
        with b.wait_timeout(30):
            b.wait_visible("#machine3-error")

        b.click("a[href='/@10.111.113.2']")
        b.wait_js_cond('window.location.pathname == "/@10.111.113.2/system"')
        m.execute("while pgrep -af [s]sh.*10.111.113.3; do sleep 1; done", stdout=None)

        b.go("/@10.111.113.2/playground/remote")
        b.enter_page("/playground/remote", host="10.111.113.2")
        b.set_input_text("#host", m3_host)
        b.click("button")
        # this works without dialog, as the SSH key get auto-unlocked with the user password
        b.wait_text("#output", "machine3")

        # the SSH connection originates from machine1, not 2
        m.execute("pgrep -af [s]sh.*10.111.113.3", stdout=None)
        m2.execute("! pgrep -af [s]sh.*10.111.113.3", stdout=None)

    def testGlobalSSHConfig(self):
        b = self.browser
        m = self.machine
        m3 = self.machine3

        change_ssh_port(m3, "10.111.113.3", self.sshd_socket, self.sshd_service, port=2222)
        m.write("/etc/ssh/ssh_config", "Host m2\n\tHostName 10.111.113.2\n", append=True)
        m.write("/etc/ssh/ssh_config", "Host m3\n\tHostName 10.111.113.3\n\tPort 2222\n", append=True)

        self.login_and_go(None)
        b.add_machine("m2", password=None)
        b.add_machine("m3", password=None, expect_warning=False)

        b.switch_to_top()
        b.click("#hosts-sel button")
        b.wait_visible("a[href='/@m2']")
        b.wait_visible("a[href='/@m3']")
        b.wait_not_present("#page-sidebar .nav-status")

        self.allow_hostkey_messages()


@testlib.skipBeiboot("host switching disabled in beiboot mode")
class TestMultiMachine(testlib.MachineCase):
    provision = {
        "machine1": {"address": "10.111.113.1/20"},
        "machine2": {"address": "10.111.113.2/20"},
        "machine3": {"address": "10.111.113.3/20"},
    }

    def setUp(self):
        super().setUp()

        self.machine2 = self.machines['machine2']
        self.machine3 = self.machines['machine3']
        self.allow_journal_messages("sudo: unable to resolve host machine1: .*")

        # HACK: idling too long on the login page in Negotiate in one machine, while tests
        # do things on the other times out in ws and kills cockpit-session;
        # this should be fixed properly in ws
        self.allow_journal_messages('.*session timed out during authentication')
        self.allow_journal_messages('.*authentication timed out')

        self.setup_provisioned_hosts(disable_preload=True)
        self.enable_multihost(self.machine)

    def checkDirectLogin(self, root='/', known_host=False):
        b = self.browser
        m2 = self.machine2
        m = self.machine

        hostname_selector = "#system_information_hostname_text"

        # Direct to machine2, new login
        m2.execute("echo admin:alt-password | chpasswd")
        b.switch_to_top()
        b.open(f"{root}=10.111.113.2")
        b.wait_visible("#login")
        b.wait_visible("#server-name")
        b.wait_not_visible("#badge")
        b.wait_not_visible("#brand")
        b.wait_in_text("#server-name", "10.111.113.2")
        b.wait_val("#server-field", "10.111.113.2")
        b.set_input_text("#login-user-input", "admin")
        b.set_input_text("#login-password-input", "alt-password")
        b.click('#login-button')
        if not known_host:
            b.wait_in_text("#hostkey-message-1", "10.111.113.2")
            match = re.match(r'\((?:ssh-)?([^-]*).*\)', b.text("#hostkey-type"))
            self.assertIsNotNone(match)
            algo = match.groups()[0]
            # This assumes that all fingerprints use SHA256.
            line = m2.execute(f"ssh-keygen -l -E SHA256 -f /etc/ssh/ssh_host_{algo.lower()}_key.pub", quiet=True)
            fp = line.split(" ")[1]
            self.assertEqual(b.text('#hostkey-fingerprint'), fp)
            b.click('#login-button')

        b.enter_page("/system")
        b.wait_in_text(hostname_selector, "machine2")
        b.switch_to_top()

        b.wait_js_cond(f'window.location.pathname == "{root}=10.111.113.2/system"')
        b.wait_in_text("#hosts-sel", "machine2")

        # This is a primary session, we can also ssh onwards to other machines

        b.go("/playground/remote")
        b.enter_page("/playground/remote")
        b.set_input_text("#host", "10.111.113.3")
        b.click("button")
        b.wait_text("#ssh-unknown-host-dialog .pf-v6-c-modal-box__title-text", "Unknown host: 10.111.113.3")
        b.click("#ssh-unknown-host-dialog button.pf-m-primary")
        b.wait_not_present("#ssh-unknown-host-dialog")

        b.wait_text("#ssh-change-auth-dialog .pf-v6-c-modal-box__title-text", "Log in to 10.111.113.3")
        b.set_input_text("#login-custom-password", "foobar")
        b.click("#ssh-change-auth-dialog button.pf-m-primary")
        b.wait_not_present("#ssh-change-auth-dialog")
        b.wait_text("#output", "machine3")

        # the SSH connection originates from machine2, not 1
        m2.execute("pgrep -af [s]sh.*10.111.113.3", stdout=None)
        m.execute("! pgrep -af [s]sh.*10.111.113.3", stdout=None)

        b.logout()

        # Bad host key
        b.eval_js("""window.localStorage.setItem("known_hosts", '{}')""")
        m.write("/etc/ssh/ssh_known_hosts", "10.111.113.2 ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIDgPMmTosSQ4NxMtq+aL2NKLC+W4I9/jbD1e74cnOKTW")
        b.open(f"{root}=10.111.113.2")
        b.wait_visible("#login")
        b.set_input_text("#login-user-input", "admin")
        b.set_input_text("#login-password-input", "alt-password")
        b.click('#login-button')

        b.wait_not_visible("#conversation-group")
        b.wait_visible("#password-group")
        b.wait_visible("#user-group")
        b.wait_visible("#option-group")
        b.wait_visible("#server-group")
        b.wait_text("#login-error-title", "Refusing to connect")
        b.wait_text("#login-error-message", "Hostkey does not match")

        # Clear bad host key in /etc and set bad host key in
        # localStorage.
        m.write("/etc/ssh/ssh_known_hosts", "")
        b.eval_js("""window.localStorage.setItem("known_hosts", '{"10.111.113.2":"BAD"}')""")
        b.set_input_text("#login-user-input", "admin")
        b.set_input_text("#login-password-input", "alt-password")
        b.click('#login-button')
        b.wait_visible("#hostkey-group")
        b.wait_in_text("#hostkey-title", "10.111.113.2 key changed")
        b.click('#login-button')

        b.enter_page("/system")
        b.wait_in_text(hostname_selector, "machine2")
        b.logout()

        # Clear localStorage and set correct host key in /etc
        b.eval_js("""window.localStorage.setItem("known_hosts", '{}')""")
        m.execute("ssh-keyscan 10.111.113.2 > /etc/ssh/ssh_known_hosts")
        b.set_input_text("#login-user-input", "admin")
        b.set_input_text("#login-password-input", "alt-password")
        b.click('#login-button')
        b.enter_page("/system")
        b.wait_in_text(hostname_selector, "machine2")
        b.logout()

        # beiboot mode: same OS → compatible, supported
        break_bridge(m2)
        b.try_login(password="alt-password")
        b.wait_visible('#content')
        b.logout()

        # beiboot mode: known remote OS; m2 runs TEST_OS, so we cover all supported ones in our testmap
        # damage local os-release to avoid the "same unknown OS" code path
        m.execute('''sed -i '/^ID=/ s/=.*/=testux/; /^PLATFORM_ID/d; /^VERSION_ID=/ s/=.*$/="0815"/' '''
                  "/etc/os-release")
        # rolling OSes don't have a VERSION_ID
        if m.image in ["arch", "debian-testing"]:
            m.execute('''echo 'VERSION_ID="0815"' >> /etc/os-release''')
        b.try_login(password="alt-password")
        b.wait_visible('#content')
        b.logout()

        # beiboot mode: different OS version → incompatible, not supported
        if m2.image in ["arch", "debian-testing"]:
            # rolling OSes don't have a VERSION_ID
            m2.execute('''echo 'VERSION_ID="0815"' >> /etc/os-release''')
        else:
            m2.execute('''sed -i '/^VERSION_ID/ s/=.*$/="0815"/; /^PLATFORM_ID/d' /etc/os-release''')
        b.try_login(password="alt-password")
        b.wait_text('#login-error-title', "Packageless session unavailable")
        b.wait_in_text('#login-error-message', "Install the cockpit-system package")
        b.wait_in_text('#login-error-message', "on 10.111.113.2")

        # beiboot mode: local and remote OS are unknown but the same
        m2.execute('''sed -i '/^ID=/ s/=.*/=testux/' /etc/os-release''')
        b.try_login(password="alt-password")
        b.wait_visible('#content')
        b.logout()

        fix_bridge(m2)

        login_options = '#show-other-login-options'

        # Connect to bad machine
        b.open(f"{root}other")
        b.set_input_text("#login-user-input", "admin")
        b.set_input_text("#login-password-input", "bad-password")
        b.click(login_options)
        b.wait_visible("#server-group")
        b.set_input_text("#server-field", "bad")
        b.click(login_options)
        b.wait_not_visible("#server-group")
        b.click('#login-button')
        b.wait_visible("#server-group")
        b.wait_text("#login-error-title", "Refusing to connect")
        b.wait_text("#login-error-message", "Host is unknown")

        # Might happen when we switch away.
        self.allow_hostkey_messages()
        self.allow_journal_messages(".* Failed to resolve hostname bad .*")

    def testDirectLogin(self):
        self.machine.start_cockpit()
        self.checkDirectLogin('/')

        # Also check whether AllowMultiHost blocks access already in cockpit-ws.

        b = self.browser
        m = self.machine

        self.enable_multihost(m)
        self.setup_ssh_auth()

        # login into cockpit on machine1
        self.login_and_go("/system")
        cookie = b.cookie("cockpit")

        def http_code(url):
            return int(subprocess.check_output(["curl",
                                                "--silent",
                                                "-b", f"cockpit={cookie['value']}",
                                                "-o", "/dev/null", "-w", "%{http_code" + "}",
                                                f"http://{b.address}:{b.port}{url}"]))

        # Now we can get resources from machine1 and machine2
        self.assertEqual(200, http_code("/cockpit/@localhost/manifests.json"))
        self.assertEqual(200, http_code("/cockpit/@10.111.113.2/manifests.json"))

        # But not when AllowMultiHost is false
        m.write("/etc/cockpit/cockpit.conf",
                '[WebService]\nAllowMultiHost=no\n')
        m.restart_cockpit()
        b.relogin("/system")
        cookie = b.cookie("cockpit")

        self.assertEqual(200, http_code("/cockpit/@localhost/manifests.json"))
        self.assertEqual(403, http_code("/cockpit/@10.111.113.2/manifests.json"))

    def testUrlRoot(self):
        b = self.browser
        m = self.machine

        hostname_selector = "#system_information_hostname_text"

        m.write("/etc/cockpit/cockpit.conf", "[WebService]\nUrlRoot = cockpit-new\nAllowMultiHost=yes\n")
        m.start_cockpit()

        # Make sure normal urls don't work.
        output = m.execute('curl -s -o /dev/null -w "%{http_code}" http://localhost:9090/cockpit/socket')
        self.assertIn('404', output)

        output = m.execute('curl -s -o /dev/null -w "%{http_code}" http://localhost:9090/cockpit/socket')
        self.assertIn('404', output)

        b.open("/cockpit-new/system")
        b.wait_visible("#login")
        b.set_input_text("#login-user-input", "admin")
        b.set_input_text("#login-password-input", "foobar")
        b.click('#login-button')
        b.enter_page("/system")
        b.switch_to_top()
        b.wait_js_cond('window.location.pathname == "/cockpit-new/system"')

        # Test 2nd machine
        b.add_machine("10.111.113.2")
        b.enter_page("/system", host="10.111.113.2")
        b.wait_text(hostname_selector, "machine2")
        b.switch_to_top()
        b.wait_js_cond('window.location.pathname == "/cockpit-new/@10.111.113.2/system"')

        # Test subnav
        b.click_system_menu("/cockpit-new/@10.111.113.2/users", enter=False)
        b.enter_page("/users", host="10.111.113.2")
        b.click('#accounts-list td[data-label="Username"] a[href="#/admin"]')
        b.wait_text("#account-user-name", "admin")
        b.switch_to_top()
        b.wait_js_cond('window.location.pathname == "/cockpit-new/@10.111.113.2/users"')
        b.wait_js_cond('window.location.hash == "#/admin"')

        b.logout()
        self.checkDirectLogin('/cockpit-new/')
        self.allow_hostkey_messages()

    def testUrlRootWithQuery(self):
        b = self.browser
        m = self.machine

        m.write("/etc/cockpit/cockpit.conf", "[WebService]\nUrlRoot = cockpit-new")
        m.start_cockpit()

        b.open("/cockpit-new/system?access_token=XXXX")
        b.wait_visible("#login")
        b.set_input_text("#login-user-input", "admin")
        b.set_input_text("#login-password-input", "foobar")
        b.click('#login-button')
        b.enter_page("/system")
        b.switch_to_top()
        b.wait_js_cond('window.location.pathname == "/cockpit-new/system"')

    def testExternalPage(self):
        b = self.browser
        m1 = self.machine
        m2 = self.machine2

        # Modify the terminals to be different on the two machines.
        for machine, name in zip((m1, m2), ('m1', 'm2'), strict=True):
            # This page may be either compressed or uncompressed
            machine.execute(f"""
                FILENAME=/usr/share/cockpit/systemd/terminal.html*
                cp $FILENAME /tmp
                test -f /tmp/terminal.html || gzip -d /tmp/terminal.html.gz
                sed -ie 's|</body>|magic-{name}-token</body>|' /tmp/terminal.html
                gzip < /tmp/terminal.html > /tmp/terminal.html.gz
                mount -o bind /tmp/"$(basename $FILENAME)" $FILENAME""")

        self.login_and_go("/system")
        b.add_machine("10.111.113.2")

        b.leave_page()
        b.go("/@10.111.113.2/system/terminal")
        b.enter_page("/system/terminal", host="10.111.113.2")
        b.wait_in_text("body", "magic-m2-token")

        b.leave_page()
        b.go("/@localhost/system/terminal")
        b.enter_page("/system/terminal")
        b.wait_in_text("body", "magic-m1-token")

        self.allow_hostkey_messages()

    def testFrameNavigation(self):
        b = self.browser
        m2 = self.machine2

        m2_path = "/@10.111.113.2/playground/test"

        # Add a machine
        self.login_and_go(None)
        b.add_machine("10.111.113.2")

        # Go to the path, remove the image
        b.go(m2_path)
        b.enter_page("/playground/test", "10.111.113.2")
        b.click("img[src='hammer.gif']")
        b.switch_to_top()

        # kill admin, lock account
        m2.execute('passwd -l admin')
        kill_user_admin(m2)

        with b.wait_timeout(30):
            b.wait_text(".curtains-ct h1", "Not connected to host")
        b.wait_text("#machine-reconnect", "Reconnect")

        b.click("#hosts-sel button")
        b.wait_visible("a[href='/@10.111.113.2']")
        b.wait_visible("#machine2-error")
        b.go("/system")
        b.enter_page("/system")
        b.wait_in_text("#system_information_hostname_text", "machine1")
        b.switch_to_top()

        # navigating there again will fail
        b.go(m2_path)
        with b.wait_timeout(30):
            b.wait_visible("#hosts_setup_server_dialog")
        b.start_machine_troubleshoot(expect_curtain=False, password="foobar",
                                     expect_closed_dialog=False, expect_warning=False)
        b.wait_in_text("#hosts_setup_server_dialog .pf-v6-c-alert", "Login failed")
        b.click("#hosts_setup_server_dialog button:contains('Cancel')")

        # wait for system to load
        b.go("/system")
        b.enter_page("/system")
        b.wait_in_text("#system_information_hostname_text", "machine1")
        b.switch_to_top()

        # re-enable admin
        m2.execute('passwd -u admin')

        # path should reconnect at this point
        b.reload()
        b.go(m2_path)
        with b.wait_timeout(30):
            b.wait_visible("#hosts_setup_server_dialog")
        b.start_machine_troubleshoot(expect_curtain=False, password="foobar", expect_warning=False)

        b.enter_page("/playground/test", "10.111.113.2", reconnect=True)
        # image is back because it page was reloaded after disconnection
        b.wait_visible("img[src='hammer.gif']")
        b.switch_to_top()

        # Host shows it is up
        b.click("#hosts-sel button")
        b.wait_visible("a[href='/@10.111.113.2']")
        b.wait_not_present("#page-sidebar .nav-status")

        # Bad host also bounces
        b.go("/@10.0.0.0/playground/test")
        with b.wait_timeout(30):
            b.wait_text(".curtains-ct h1", "Not connected to host")
        self.assertEqual(b.text(".curtains-ct .pf-v6-c-empty-state__body"), "Cannot connect to an unknown host")

        self.allow_hostkey_messages()
        # Might happen when killing the bridge.
        self.allow_journal_messages("localhost: dropping message while waiting for child to exit",
                                    "Received message for unknown channel: .*",
                                    '.*: Socket error: disconnected',
                                    ".*: error reading from ssh",
                                    ".*: bridge failed: .*",
                                    ".*: bridge program failed: Child process exited with code .*",
                                    "/playground/test.html: failed to retrieve resource: authentication-failed")

    def testFrameReload(self):
        b = self.browser
        m2 = self.machines["machine2"]

        frame = "cockpit1:10.111.113.2/playground/test"
        m2_path = "/@10.111.113.2/playground/test"

        # Add a machine
        self.login_and_go(None)
        b.add_machine("10.111.113.2")

        b.switch_to_top()
        b.go(m2_path)
        b.enter_page("/playground/test", "10.111.113.2")

        # Check that channels are closed when a frame is reloaded.

        # Lock a file on m2, that keeps a channel open.
        m2.execute("touch /tmp/playground-test-lock")
        b.click(".lock-channel button")
        b.wait_in_text(".lock-channel span", 'locked')
        m2.execute("! flock --nonblock /tmp/playground-test-lock true")

        # load the same page on m1
        b.switch_to_top()
        b.go("/@localhost/playground/test")
        b.enter_page("/playground/test")
        b.wait_text('#file-content', "0")

        # Now reload the m2 frame by kicking its "src" attribute.
        b.go(m2_path)
        b.enter_page("/playground/test", "10.111.113.2")
        b.wait_in_text(".lock-channel span", 'locked')
        b.switch_to_top()
        b.eval_js('ph_set_attr("iframe[name=\'%s\']", "src", "../playground/test.html?i=1#/")' % frame)

        # The channel and the lock should have gone away
        m2.execute("flock --timeout 10 /tmp/playground-test-lock true")

        b.enter_page("/playground/test", "10.111.113.2")
        b.wait_not_in_text(".lock-channel span", 'locked')

        self.allow_hostkey_messages()

    def testTroubleshooting(self):
        b = self.browser
        m1 = self.machine
        m2 = self.machine2

        # Logging in as root is no longer allowed by default by sshd
        m2.execute("sed -ri 's/#?PermitRootLogin prohibit-password/PermitRootLogin yes/' /etc/ssh/sshd_config")
        m2.execute(self.restart_sshd)

        machine_path = "/@10.111.113.2"

        self.login_and_go(None)

        # Troubleshoot while adding
        b.go(machine_path)

        # Bad hostkey
        break_hostkey(m1, "10.111.113.2")
        b.start_machine_troubleshoot(new=True, known_host=True, expect_closed_dialog=False)
        b.wait_in_text('#hosts_setup_server_dialog', "10.111.113.2 key changed")
        b.click("#hosts_setup_server_dialog button:contains('Cancel')")
        b.wait_not_present('#hosts_setup_server_dialog')
        fix_hostkey(m1)

        # Host key path is correct
        m1.execute("mkdir -p /home/admin/.ssh/")
        break_hostkey(m1, "10.111.113.2")

        b.start_machine_troubleshoot(new=True, known_host=True, expect_closed_dialog=False, expect_warning=False)
        b.wait_in_text('#hosts_setup_server_dialog', "10.111.113.2 key changed")
        b.click("#hosts_setup_server_dialog button:contains('Cancel')")
        fix_hostkey(m1)

        # Bad cockpit
        break_bridge(m2)
        b.start_machine_troubleshoot(new=True, password="foobar", expect_closed_dialog=False, expect_warning=False)
        check_failed_state(b, "Cockpit is not installed")
        fix_bridge(m2)

        # Troubleshoot existing
        # Properly add machine
        fix_hostkey(m1)
        b.add_machine("10.111.113.2", expect_warning=False)
        b.logout()
        b.wait_visible("#login")

        # Bad cockpit
        break_bridge(m2)
        self.login_and_go(None)
        b.go(machine_path)
        with b.wait_timeout(20):
            b.start_machine_troubleshoot(expect_curtain=False, password="foobar", expect_closed_dialog=False)

        check_failed_state(b, "Cockpit is not installed")
        b.wait_visible("#machine-reconnect")
        fix_bridge(m2)

        # Clear host key
        fix_hostkey(m1)
        b.click("#machine-reconnect")
        b.start_machine_troubleshoot(expect_curtain=False, expect_closed_dialog=False, expect_warning=False)
        b.wait_in_text('#hosts_setup_server_dialog', "You are connecting to 10.111.113.2 for the first time.")

        # show fingerprint validation
        b.wait_not_visible("#hosts_setup_server_dialog .hostkey-verify-help-cmds")
        b.click("#hosts_setup_server_dialog .pf-v6-c-expandable-section__toggle button")
        b.wait_visible("#hosts_setup_server_dialog .hostkey-verify-help-cmds")
        # run validation command
        cmd = b.val("#hosts_setup_server_dialog .hostkey-verify-help-cmds input")
        self.assertIn("ssh-keyscan", cmd)
        fingerprint = m2.execute(cmd).strip()
        # there is some additional noise around it, like the OpenSSH version and host name
        self.assertIn(b.val("#hosts_setup_server_dialog .hostkey-fingerprint input"), fingerprint)

        b.click("#hosts_setup_server_dialog button:contains('Trust and add host')")
        b.wait_in_text('#hosts_setup_server_dialog', "Unable to log in")
        b.set_input_text('#login-custom-password', "foobar")
        # Submit the dialog with Enter instead of clicking the Login button, for variety
        b.focus("#login-custom-password")
        b.key("Enter")
        b.wait_not_present('#hosts_setup_server_dialog')

        # Reconnect
        b.wait_not_present(".curtains-ct")
        b.enter_page('/system', "10.111.113.2")

        b.logout()
        b.wait_visible("#login")

        # Break auth
        m2.execute("echo admin:alt-password | chpasswd")
        self.login_and_go(None)
        b.go(machine_path)

        with b.wait_timeout(20):
            b.wait_visible("#hosts_connect_server_dialog")
        b.start_machine_troubleshoot(expect_curtain=False, expect_closed_dialog=False)
        b.wait_in_text('#hosts_setup_server_dialog', "Unable to log in")
        b.set_input_text("#login-custom-password", "bad")
        fail_login(b)
        b.set_input_text("#login-custom-password", "alt-password")
        b.click(f'#hosts_setup_server_dialog {self.primary_btn_class}')
        b.wait_not_present('#hosts_setup_server_dialog')

        # Reconnect
        b.wait_not_present(".curtains-ct")
        b.enter_page('/system', "10.111.113.2")
        b.logout()
        b.wait_visible("#login")

        change_ssh_port(m2, "10.111.113.2", self.sshd_socket, self.sshd_service, port=2222)
        m2.disconnect()
        del self.machines["machine2"]  # No more access to m2

        self.login_and_go(None)
        b.go(machine_path)
        with b.wait_timeout(20):
            b.wait_visible("#hosts_connect_server_dialog")
        b.start_machine_troubleshoot(expect_curtain=False, expect_closed_dialog=False)
        b.wait_in_text('#hosts_setup_server_dialog', "Unable to contact")
        b.set_input_text("#add-machine-address", "10.111.113.2:2222")
        b.click(f'#hosts_setup_server_dialog {self.primary_btn_class}')
        # ssh(1) tracks known hosts by name/IP, not by port; so not expecting a host key prompt here
        b.wait_in_text('#hosts_setup_server_dialog h1', "Log in to")
        b.set_input_text("#login-custom-password", "alt-password")
        b.click(f'#hosts_setup_server_dialog {self.primary_btn_class}')
        b.wait_not_present('#hosts_setup_server_dialog')

        b.wait_not_present(".curtains-ct")
        b.enter_page('/system', "10.111.113.2:2222")
        b.logout()

        self.allow_hostkey_messages()
        self.allow_journal_messages('.* couldn\'t connect: .*',
                                    '.* failed to retrieve resource: invalid-hostkey',
                                    '.* host key for server has changed to: .*',
                                    '.* spawning remote bridge failed .*',
                                    '.*: bridge failed: .*',
                                    '.*: cockpit-bridge: command not found',
                                    '.*: received truncated .*',
                                    '.*: Socket error: disconnected',
                                    '.*: host key for this server changed key type: .*',
                                    '.*: server offered unsupported authentication methods: .*')

    @testlib.skipImage("TODO: Broken on Arch Linux", "arch")
    def testSshKeySetup(self):
        b = self.browser
        m1 = self.machine
        m2 = self.machine2

        # Let's not use "admin" on the remote machine.  Creating a
        # dedicated user gives us a guaranteed clean slate and also
        # tests more code paths.

        m2.execute("useradd -m fred")
        m2.execute("echo fred:foobar | chpasswd")

        self.login_and_go(None)
        b.go("/@10.111.113.2")
        b.click('#machine-troubleshoot')
        b.wait_visible('#hosts_setup_server_dialog')
        b.wait_in_text('#hosts_setup_server_dialog', "new host")
        b.set_input_text('#add-machine-user', "fred")
        b.click('#hosts_setup_server_dialog button:contains("Add")')
        b.wait_visible('#hosts_connect_server_dialog')
        b.click("#hosts_connect_server_dialog button.pf-m-warning")
        b.wait_in_text('#hosts_setup_server_dialog', "You are connecting to 10.111.113.2 for the first time.")
        b.click("#hosts_setup_server_dialog button:contains('Trust and add host')")
        b.wait_in_text('#hosts_setup_server_dialog', "Unable to log in")

        # There is no key yet.  Create and authorize it.

        m1.execute("! test -f /home/admin/.ssh/id_rsa")
        m2.execute("! test -f /home/fred/.ssh/authorized_keys")

        b.wait_in_text("#hosts_setup_server_dialog", "Create a new SSH key and authorize it")
        b.set_input_text('#login-custom-password', "foobar")
        b.set_checked("#login-setup-keys", val=True)
        # Leave passphrase empty on Coreos, since it can't load keys into the agent
        if not m1.ostree_image:
            b.set_input_text('#hosts_setup_server_dialog #login-setup-new-key-password', "foobar")
            b.set_input_text('#hosts_setup_server_dialog #login-setup-new-key-password2', "foobar")
        b.click('#hosts_setup_server_dialog button:contains("Log in")')
        with b.wait_timeout(30):
            b.wait_not_present('#hosts_setup_server_dialog')

        b.enter_page("/system", host="fred@10.111.113.2")
        m1.execute("test -f /home/admin/.ssh/id_rsa; test -f /home/admin/.ssh/id_rsa.pub")
        self.assertEqual(m1.execute("cat /home/admin/.ssh/id_rsa.pub"),
                         m2.execute("cat /home/fred/.ssh/authorized_keys"))

        # Relogin.  This should now work seamlessly (except for the warning).
        b.relogin(None, wait_remote_session_machine=m1)
        b.wait_visible('#hosts_connect_server_dialog')
        b.click("#hosts_connect_server_dialog button.pf-m-warning")
        b.enter_page("/system", host="fred@10.111.113.2")

        # De-authorize key and relogin, then re-authorize.
        m2.execute("rm /home/fred/.ssh/authorized_keys")
        b.relogin(None, wait_remote_session_machine=m1)
        b.wait_visible('#hosts_connect_server_dialog')
        b.click("#hosts_connect_server_dialog button.pf-m-warning")
        b.wait_visible('#hosts_setup_server_dialog')
        b.wait_in_text('#hosts_setup_server_dialog', "Unable to log in")
        b.wait_in_text("#hosts_setup_server_dialog", "Authorize SSH key")
        b.set_checked("#login-setup-keys", val=True)
        b.set_input_text('#login-custom-password', "foobar")
        b.click('#hosts_setup_server_dialog button:contains("Log in")')
        b.wait_not_present('#hosts_setup_server_dialog')
        b.enter_page("/system", host="fred@10.111.113.2")
        self.assertEqual(m1.execute("cat /home/admin/.ssh/id_rsa.pub"),
                         m2.execute("cat /home/fred/.ssh/authorized_keys"))

        # Put a 'better' passphrase on the key and relogin, then
        # change the passphrase back to the login password
        m1.execute("ssh-keygen -q -f /home/admin/.ssh/id_rsa -p -P foobar -N foobarfoo")
        b.relogin(None, wait_remote_session_machine=m1)
        b.wait_visible('#hosts_connect_server_dialog')
        b.click("#hosts_connect_server_dialog button.pf-m-warning")
        b.wait_visible('#hosts_setup_server_dialog')
        b.wait_in_text('#hosts_setup_server_dialog', "The SSH key for logging in")
        b.set_checked('#hosts_setup_server_dialog input[value=key]', val=True)
        b.set_input_text('#hosts_setup_server_dialog #locked-identity-password', "foobarfoo")
        b.set_checked("#login-setup-keys", val=True)
        b.set_input_text('#hosts_setup_server_dialog #login-setup-new-key-password', "foobar")
        b.set_input_text('#hosts_setup_server_dialog #login-setup-new-key-password2', "foobar")
        b.click('#hosts_setup_server_dialog button:contains("Log in")')
        b.wait_not_present('#hosts_setup_server_dialog')
        b.enter_page("/system", host="fred@10.111.113.2")

        # Relogin.  This should now work seamlessly (except on OSTree images
        # which don't have pam-ssh-add in its PAM stack.)
        if not m1.ostree_image:
            b.relogin(None, wait_remote_session_machine=m1)
            b.wait_visible('#hosts_connect_server_dialog')
            b.click("#hosts_connect_server_dialog button.pf-m-warning")
            b.enter_page("/system", host="fred@10.111.113.2")

        # The authorized_keys files should still only have a single key
        self.assertEqual(m1.execute("cat /home/admin/.ssh/id_rsa.pub"),
                         m2.execute("cat /home/fred/.ssh/authorized_keys"))

        self.allow_hostkey_messages()

    def testSshKeySetupCustom(self):
        b = self.browser
        m1 = self.machine
        m2 = self.machine2

        # This tests how the ssh key setup reacts to a already
        # existing configuration involving a custom key with a
        # passphrase.

        m1.execute("d=/home/admin/.ssh; mkdir -p $d; chown admin:admin $d; chmod 700 $d")
        m1.execute("ssh-keygen -f /home/admin/.ssh/id_local -t rsa -N 'foobar'")
        m1.execute("chown admin:admin /home/admin/.ssh/id_local*")
        m1.write("/home/admin/.ssh/config", "Host 10.111.113.2\n  IdentityFile /home/admin/.ssh/id_local\n")
        pubkey = self.machine.execute("cat /home/admin/.ssh/id_local.pub")

        m2.execute("d=/home/admin/.ssh; mkdir -p $d; chown admin:admin $d; chmod 700 $d")
        m2.write("/home/admin/.ssh/authorized_keys", pubkey)
        m2.execute("chown admin:admin /home/admin/.ssh/authorized_keys")

        self.login_and_go(None)
        b.go("/@10.111.113.2")
        b.click('#machine-troubleshoot')
        b.wait_visible('#hosts_setup_server_dialog')
        b.click('#hosts_setup_server_dialog button:contains("Add")')
        b.wait_visible('#hosts_connect_server_dialog')
        b.click('#hosts_connect_server_dialog button:contains("Connect")')
        b.wait_in_text('#hosts_setup_server_dialog', "You are connecting to 10.111.113.2 for the first time.")
        b.click("#hosts_setup_server_dialog button:contains('Trust and add host')")
        b.wait_in_text('#hosts_setup_server_dialog', "The SSH key")
        b.wait_not_present('.password-change-advice')
        b.wait_not_present('.login-setup-auto')

        self.allow_hostkey_messages()


if __name__ == '__main__':
    testlib.test_main()