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broker.cc
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/*********************************************************
* Copyright (C) 2008 VMware, Inc. All rights reserved.
*
* This file is part of VMware View Open Client.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation version 2.1 and no later version.
*
* This program is released with an additional exemption that
* compiling, linking, and/or using the OpenSSL libraries with this
* program is allowed.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the Lesser GNU General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
*********************************************************/
/*
* broker.cc --
*
* Broker control.
*/
#include <boost/bind.hpp>
#include <glib.h>
#ifdef __APPLE__
#include <CoreFoundation/CoreFoundation.h>
#endif
#include "baseApp.hh"
#include "broker.hh"
#include "cdkErrors.h"
#include "desktop.hh"
#include "tunnel.hh"
#include "util.hh"
#define ERR_ALREADY_AUTHENTICATED "ALREADY_AUTHENTICATED"
#define ERR_AUTHENTICATION_FAILED "AUTHENTICATION_FAILED"
#define ERR_BASICHTTP_ERROR_SSL_CONNECT_ERROR "BASICHTTP_ERROR_SSL_CONNECT_ERROR"
#define ERR_DESKTOP_LAUNCH_ERROR "DESKTOP_LAUNCH_ERROR"
#define ERR_TUNNEL_ERROR "TUNNEL_ERROR"
#define ERR_NOT_AUTHENTICATED "NOT_AUTHENTICATED"
#define ERR_NOT_ENTITLED "NOT_ENTITLED"
#define ERR_UNSUPPORTED_VERSION "UNSUPPORTED_VERSION"
namespace cdk {
/*
*-----------------------------------------------------------------------------
*
* cdk::Broker::Broker --
*
* Constructor.
*
* Results:
* None
*
* Side effects:
* None
*
*-----------------------------------------------------------------------------
*/
Broker::Broker()
: mDelegate(NULL),
mXml(NULL),
mTunnel(NULL),
mDesktop(NULL),
mCertState(CERT_NOT_REQUESTED),
mTunnelState(TUNNEL_DOWN),
mGettingDesktops(false),
mSmartCardPin(NULL),
mAuthRequestId(0),
mAcceptedDisclaimer(false),
mCert(NULL),
mKey(NULL)
{
}
/*
*-----------------------------------------------------------------------------
*
* cdk::Broker::~Broker --
*
* Destructor. Deletes all connected desktops asynchronously.
*
* Results:
* None
*
* Side effects:
* None
*
*-----------------------------------------------------------------------------
*/
Broker::~Broker()
{
Reset();
}
/*
*-----------------------------------------------------------------------------
*
* cdk::Broker::Reset --
*
* Reset state to allow a new login.
*
* Results:
* None
*
* Side effects:
* State is restored as if a new broker was created.
*
*-----------------------------------------------------------------------------
*/
void
Broker::Reset()
{
Poll_CallbackRemove(POLL_CS_MAIN, 0, RefreshDesktopsTimeout, this,
POLL_REALTIME);
/*
* The abort handlers here could access Desktops, so cancel them
* before deleting the desktops.
*/
if (mXml) {
mXml->CancelRequests();
}
for (std::vector<Desktop*>::iterator i = mDesktops.begin();
i != mDesktops.end(); i++) {
delete *i;
}
mDesktops.clear();
// already deleted above
mDesktop = NULL;
ResetTunnel();
mTunnelMonitor.Reset();
delete mXml;
mXml = NULL;
mAuthRequestId = 0;
ClearSmartCardPinAndReader();
mCertState = CERT_NOT_REQUESTED;
mAcceptedDisclaimer = false;
mTrustedIssuers.clear();
X509_free(mCert);
mCert = NULL;
EVP_PKEY_free(mKey);
mKey = NULL;
}
/*
*-----------------------------------------------------------------------------
*
* cdk::Broker::Initialize --
*
* Initialize the broker connection, calling BrokerXml::SetLocale and
* BrokerXml::GetConfiguration.
*
* Results:
* None
*
* Side effects:
* None
*
*-----------------------------------------------------------------------------
*/
void
Broker::Initialize(const Util::string &hostname, // IN
int port, // IN
bool secure, // IN
const Util::string &defaultUser, // IN
const Util::string &defaultDomain) // IN
{
ASSERT(!mXml);
ASSERT(!mTunnel);
Log("Initializing connection to broker %s://%s:%d\n",
secure ? "https" : "http", hostname.c_str(), port);
mXml = CreateNewXmlConnection(hostname, port, secure);
if (!mCookieFile.empty()) {
mXml->SetCookieFile(mCookieFile);
mXml->ForgetCookies();
}
mXml->certificateRequested.connect(
boost::bind(&Broker::OnCertificateRequested, this, _1, _2, _3));
mUsername = defaultUser;
mDomain = defaultDomain;
mXml->QueueRequests();
SetLocale();
GetConfiguration();
mXml->SendQueuedRequests();
}
/*
*-----------------------------------------------------------------------------
*
* cdk::Broker::SetLocale --
*
* Issue a set-locale RPC, based on our current locale.
*
* Results:
* None
*
* Side effects:
* set-locale RPC is issued.
*
*-----------------------------------------------------------------------------
*/
void
Broker::SetLocale()
{
/*
* The SetLocale RPC is only supported by protocol 2.0, so it'd be
* nice not to send it to 1.0 servers. Sadly, it's the first RPC
* we send, so we don't know what version the server is... yet.
*/
#ifndef __APPLE__
const char *locale = setlocale(LC_MESSAGES, NULL);
#else
char locale[32] = { '\0' };
CFArrayRef langs = CFLocaleCopyPreferredLanguages();
CFStringRef localeStr = (CFStringRef)CFArrayGetValueAtIndex(langs, 0);
if (CFStringGetCString(localeStr, locale, sizeof(locale),
kCFStringEncodingASCII)) {
#endif
if (locale != NULL && locale[0] != '\0' && strcmp(locale, "C") != 0 &&
strcmp(locale, "POSIX") != 0) {
mXml->SetLocale(locale,
boost::bind(&Broker::OnInitialRPCAbort, this, _1, _2),
boost::bind(&Broker::OnLocaleSet, this));
}
#ifdef __APPLE__
}
CFRelease(langs);
#endif
}
/*
*-----------------------------------------------------------------------------
*
* cdk::Broker::AcceptDisclaimer --
*
* Notify the broker that the user has accepted the disclaimer.
*
* Results:
* None
*
* Side effects:
* UI disabled, RPC in-flight.
*
*-----------------------------------------------------------------------------
*/
void
Broker::AcceptDisclaimer()
{
mAcceptedDisclaimer = true;
if (mCertState == CERT_REQUESTED) {
/*
* Pre-login message is enabled, and the server asked us for a
* cert. We'll reset our connections, and when we do the accept
* disclaimer RPC, we'll get asked for a cert again.
*/
Log("Accepting disclaimer and cert was requested; prompting user for a "
"certificate.\n");
if (mDelegate) {
mDelegate->RequestCertificate(mTrustedIssuers);
}
} else {
mXml->QueueRequests();
mXml->AcceptDisclaimer(
boost::bind(&Broker::OnInitialRPCAbort, this, _1, _2),
boost::bind(&Broker::OnAuthResult, this, _1, _2));
InitTunnel();
GetDesktops();
mXml->SendQueuedRequests();
}
}
/*
*-----------------------------------------------------------------------------
*
* cdk::Broker::SubmitCertificate --
*
* Set the certificate and private key to use when
* authenticating, and smart card PIN and reader name (if
* available).
*
* NULL cert or key signifies not to authenticate using a
* certificate.
*
* Results:
* None
*
* Side effects:
* Authentication will continue.
*
*-----------------------------------------------------------------------------
*/
void
Broker::SubmitCertificate(X509 *cert, // IN/OPT
EVP_PKEY *key, // IN/OPT
const char *pin, // IN/OPT
const Util::string &reader) // IN/OPT
{
ASSERT(mCertState == CERT_REQUESTED);
ASSERT(!mCert);
ASSERT(!mKey);
ASSERT(!mSmartCardPin);
ASSERT(mSmartCardReader.empty());
mCert = cert;
mKey = key;
mSmartCardPin = g_strdup(pin);
mSmartCardReader = reader;
mCertState = CERT_SHOULD_RESPOND;
mXml->ResetConnections();
if (mAcceptedDisclaimer) {
Log("Accepting disclaimer with cert response enabled.\n");
mXml->QueueRequests();
mXml->AcceptDisclaimer(
boost::bind(&Broker::OnInitialRPCAbort, this, _1, _2),
boost::bind(&Broker::OnAuthResult, this, _1, _2));
InitTunnel();
GetDesktops();
mXml->SendQueuedRequests();
} else {
Log("Getting configuration with cert response enabled.\n");
GetConfiguration();
}
}
/*
*-----------------------------------------------------------------------------
*
* cdk::Broker::SubmitPasscode --
*
* Attempt authentication using a SecurID passcode.
*
* Results:
* None
*
* Side effects:
* UI disabled, RPC in-flight.
*
*-----------------------------------------------------------------------------
*/
void
Broker::SubmitPasscode(const Util::string &username, // IN
const Util::string &passcode) // IN
{
mUsername = username;
mXml->QueueRequests();
mXml->SecurIDUsernamePasscode(
username, passcode,
boost::bind(&Broker::OnAbort, this, _1, _2),
boost::bind(&Broker::OnAuthResult, this, _1, _2));
InitTunnel();
GetDesktops();
mXml->SendQueuedRequests();
}
/*
*-----------------------------------------------------------------------------
*
* cdk::Broker::SubmitNextTokencode --
*
* Continue authentication by providing the next tokencode.
*
* Results:
* None
*
* Side effects:
* UI disabled, RPC in-flight.
*
*-----------------------------------------------------------------------------
*/
void
Broker::SubmitNextTokencode(const Util::string &tokencode) // IN
{
mXml->QueueRequests();
mXml->SecurIDNextTokencode(
tokencode,
boost::bind(&Broker::OnAbort, this, _1, _2),
boost::bind(&Broker::OnAuthResult, this, _1, _2));
InitTunnel();
GetDesktops();
mXml->SendQueuedRequests();
}
/*
*-----------------------------------------------------------------------------
*
* cdk::Broker::SubmitPins --
*
* Continue authentication by providing new PINs.
*
* Results:
* None
*
* Side effects:
* UI disabled, RPC in-flight.
*
*-----------------------------------------------------------------------------
*/
void
Broker::SubmitPins(const Util::string &pin1, // IN
const Util::string &pin2) // IN
{
mXml->QueueRequests();
mXml->SecurIDPins(
pin1, pin2,
boost::bind(&Broker::OnAbort, this, _1, _2),
boost::bind(&Broker::OnAuthResult, this, _1, _2));
InitTunnel();
GetDesktops();
mXml->SendQueuedRequests();
}
/*
*-----------------------------------------------------------------------------
*
* cdk::Broker::SubmitPassword --
*
* Authenticate with a windows username and password.
*
* Results:
* None
*
* Side effects:
* UI disabled, RPC in-flight.
*
*-----------------------------------------------------------------------------
*/
void
Broker::SubmitPassword(const Util::string &username, // IN
const Util::string &password, // IN
const Util::string &domain) // IN
{
mUsername = username;
mDomain = domain;
mXml->QueueRequests();
mXml->PasswordAuthentication(
username, password, domain,
boost::bind(&Broker::OnAbort, this, _1, _2),
boost::bind(&Broker::OnAuthResult, this, _1, _2));
InitTunnel();
GetDesktops();
mXml->SendQueuedRequests();
}
/*
*-----------------------------------------------------------------------------
*
* cdk::Broker::ChangePassword --
*
* Provide a new password for the user.
*
* Results:
* None
*
* Side effects:
* UI disabled, RPC in-flight.
*
*-----------------------------------------------------------------------------
*/
void
Broker::ChangePassword(const Util::string &oldPassword, // IN
const Util::string &newPassword, // IN
const Util::string &confirm) // IN
{
mXml->QueueRequests();
mXml->ChangePassword(oldPassword, newPassword, confirm,
boost::bind(&Broker::OnAbort, this, _1,_2),
boost::bind(&Broker::OnAuthResult, this, _1, _2));
InitTunnel();
GetDesktops();
mXml->SendQueuedRequests();
}
/*
*-----------------------------------------------------------------------------
*
* cdk::Broker::ConnectDesktop --
*
* Begin connecting to a desktop.
*
* Results:
* None
*
* Side effects:
* UI disabled, RPC in-flight.
*
*-----------------------------------------------------------------------------
*/
void
Broker::ConnectDesktop(Desktop *desktop) // IN
{
ASSERT(desktop);
// XXX - Log/assert to determine cause of BZ 510532.
if (desktop->GetConnectionState() != Desktop::STATE_DISCONNECTED) {
Log("Broker::ConnectDesktop: unexpected desktop status "
"(see BZ 510532) %d\n", (int)desktop->GetConnectionState());
ASSERT_BUG(510532,
desktop->GetConnectionState() == Desktop::STATE_DISCONNECTED);
}
mDesktop = desktop;
if (mDelegate) {
mDelegate->RequestTransition(_("Connecting to the desktop..."));
}
switch (mTunnelState) {
case TUNNEL_RUNNING:
/*
* Connecting to the desktop before the tunnel is connected
* results in DESKTOP_NOT_AVAILABLE.
*/
desktop->Connect(boost::bind(&Broker::OnAbort, this, _1, _2),
boost::bind(&Broker::MaybeLaunchDesktop, this),
Util::GetClientInfo(mXml->GetHostname(),
mXml->GetPort()));
break;
case TUNNEL_DOWN:
InitTunnel();
break;
default:
break;
}
}
/*
*-----------------------------------------------------------------------------
*
* cdk::Broker::ReconnectDesktop --
*
* Initiate a desktop reconnection (rdesktop or the tunnel may
* have died). If this is called because the tunnel died, the
* server would tell us that it's unable to reconnect to the
* desktop, so we defer the actual connection until we reconnect
* the tunnel.
*
* Results:
* None
*
* Side effects:
* Desktop may be connected.
*
*-----------------------------------------------------------------------------
*/
void
Broker::ReconnectDesktop()
{
ASSERT(mDesktop);
ASSERT(mDesktop->GetConnectionState() != Desktop::STATE_CONNECTING);
if (mDesktop->GetConnectionState() == Desktop::STATE_CONNECTED) {
mDesktop->Disconnect();
}
// XXX - Log/assert to determine cause of BZ 510532.
if (mDesktop->GetConnectionState() != Desktop::STATE_DISCONNECTED) {
Log("Broker::ReconnectDesktop: unexpected desktop status "
"(see BZ 510532) %d\n", (int)mDesktop->GetConnectionState());
ASSERT_BUG(510532,
mDesktop->GetConnectionState() == Desktop::STATE_DISCONNECTED);
}
ConnectDesktop(mDesktop);
}
/*
*-----------------------------------------------------------------------------
*
* cdk::Broker::ResetDesktop --
*
* Reset a desktop.
*
* Results:
* None
*
* Side effects:
* Desktop is reset, app may quit.
*
*-----------------------------------------------------------------------------
*/
void
Broker::ResetDesktop(Desktop *desktop, // IN
bool andQuit) // IN
{
ASSERT(mXml);
ASSERT(desktop);
desktop->ResetDesktop(boost::bind(&Broker::OnAbort, this, _1, _2),
boost::bind(&Broker::OnDesktopOpDone,
this, desktop, andQuit));
if (mDelegate && !andQuit) {
mDelegate->UpdateDesktops();
}
}
/*
*-----------------------------------------------------------------------------
*
* cdk::Broker::KillSession --
*
* Log out from a desktop.
*
* Results:
* None
*
* Side effects:
* Attempts to kill the active session.
*
*-----------------------------------------------------------------------------
*/
void
Broker::KillSession(Desktop *desktop) // IN
{
ASSERT(mXml);
ASSERT(desktop);
desktop->KillSession(
boost::bind(&Broker::OnAbort, this, _1, _2),
boost::bind(&Broker::OnDesktopOpDone, this, desktop,
false));
mDelegate->UpdateDesktops();
}
/*
*-----------------------------------------------------------------------------
*
* cdk::Broker::RollbackDesktop --
*
* Roll back a desktop.
*
* Results:
* None
*
* Side effects:
* Tries to roll back desktop.
*
*-----------------------------------------------------------------------------
*/
void
Broker::RollbackDesktop(Desktop *desktop) // IN
{
ASSERT(mXml);
ASSERT(desktop);
ASSERT(desktop->GetOfflineState() == BrokerXml::OFFLINE_CHECKED_OUT);
desktop->Rollback(boost::bind(&Broker::OnAbort, this, _1, _2),
boost::bind(&Broker::OnDesktopOpDone, this, desktop,
false));
mDelegate->UpdateDesktops();
}
/*
*-----------------------------------------------------------------------------
*
* cdk::Broker::OnDesktopOpDone --
*
* Success handler for a desktop operation (log out, reset, rollback).
* Refreshes the list of desktops.
*
* Results:
* None
*
* Side effects:
* get-desktops request sent.
*
*-----------------------------------------------------------------------------
*/
void
Broker::OnDesktopOpDone(Desktop *desktop, // IN
bool andDisconnect) // IN
{
if (andDisconnect) {
if (mDelegate) {
mDelegate->Disconnect();
}
return;
}
if (desktop->GetConnectionState() == Desktop::STATE_RESETTING ||
desktop->GetConnectionState() == Desktop::STATE_KILLING_SESSION) {
/*
* XXX: This is a temporary workaround for the fact that the broker still
* reports the existence of a desktop session after "kill-session" or
* "reset-desktop" is "ok"'ed--see bug 364022.
* Wait some time before getting the list of desktops again.
*
* If there's a timeout already in flight from another operation,
* kill it and extend the wait time so there's only one refresh.
* If we don't do that, temporary Desktop ConnectionState values will
* get cleared by the refresh before they should.
*/
Poll_CallbackRemove(POLL_CS_MAIN, 0, RefreshDesktopsTimeout, this,
POLL_REALTIME);
Poll_Callback(POLL_CS_MAIN, 0, RefreshDesktopsTimeout, this,
POLL_REALTIME, 10 * 1000 * 1000, NULL);
} else {
GetDesktops(true);
}
}
/*
*-----------------------------------------------------------------------------
*
* cdk::Broker::RefreshDesktopsTimeout --
*
* Handler for delay in initiating a desktop list refresh.
* Initiates the refresh.
*
* Results:
* false to remove the handler
*
* Side effects:
* get-desktops request sent
*
*-----------------------------------------------------------------------------
*/
void
Broker::RefreshDesktopsTimeout(void *data) // IN
{
Broker *that = reinterpret_cast<Broker *>(data);
ASSERT(that);
that->GetDesktops(true);
}
/*
*-----------------------------------------------------------------------------
*
* cdk::Broker::Logout --
*
* Notify the broker that we are done with this session.
*
* Results:
* None
*
* Side effects:
* UI disabled, RPC in-flight.
*
*-----------------------------------------------------------------------------
*/
void
Broker::Logout()
{
mXml->Logout(boost::bind(&Broker::OnAbort, this, _1, _2),
boost::bind(&Broker::OnLogoutResult, this));
}
/*
*-----------------------------------------------------------------------------
*
* cdk::Broker::GetConfiguration --
*
* Initiate a GetConfiguration RPC to the broker.
*
* Results:
* None
*
* Side effects:
* A GetConfiguration RPC in flight, or onAbort is called.
*
*-----------------------------------------------------------------------------
*/
void
Broker::GetConfiguration()
{
mXml->GetConfiguration(
boost::bind(&Broker::OnInitialRPCAbort, this, _1, _2),
boost::bind(&Broker::OnConfigurationDone, this, _1, _2));
}
/*
*-----------------------------------------------------------------------------
*
* cdk::Broker::OnAuthResult --
*
* Handle an AuthResult from the broker. Simply pass the
* AuthInfo off to OnAuthInfo.
*
* Results:
* None
*
* Side effects:
* None
*
*-----------------------------------------------------------------------------
*/
void
Broker::OnAuthResult(BrokerXml::Result &result, // IN
BrokerXml::AuthResult &auth) // IN
{
if (result.result == "ok" && mDelegate) {
mDelegate->SetLogoutOnCertRemoval(auth.logoutOnCertRemoval);
}
OnAuthInfo(result, auth.authInfo);
}
/*
*-----------------------------------------------------------------------------
*
* cdk::Broker::OnConfigurationDone --
*
* Handle a Configuration from the broker. Simply pass the
* AuthInfo off to OnAuthInfo.
*
* Results:
* None
*
* Side effects:
* None
*
*-----------------------------------------------------------------------------
*/
void
Broker::OnConfigurationDone(BrokerXml::Result &result, // IN
BrokerXml::Configuration &config) // IN
{
OnAuthInfo(result, config.authInfo, true);
}
/*
*-----------------------------------------------------------------------------
*
* cdk::Broker::OnAuthInfo --
*
* Handles the reply to an RPC that returns AuthInfo. Either
* displays an error and stays on the same state, or continues
* based on what the server requires next.
*
* Results:
* None
*
* Side effects:
* New UI page may be requested and enables the UI.
*
*-----------------------------------------------------------------------------
*/
void
Broker::OnAuthInfo(BrokerXml::Result &result, // IN
BrokerXml::AuthInfo &authInfo, // IN
bool treatOkAsPartial) // IN
{
Log("Auth Info: Name: %s, result: %s\n",
authInfo.name.c_str(), result.result.c_str());
mAuthRequestId = mXml->GetRequestId();
if (result.result == "ok" && !treatOkAsPartial) {
// get-desktops reply is later in this RPC.
return;
} else if (result.result != "partial" && result.result != "ok") {
BaseApp::ShowError(CDK_ERR_AUTH_UNKNOWN_RESULT, _("Unknown result returned"),
"%s", result.result.c_str());
if (mDelegate) {
mDelegate->RequestBroker();
}
return;
}
/*
* Reset the tunnel here because at this point, we were not authenticated
* by the broker and the following notexecuted response to get-tunnel-connection
* will simply be ignored.
*/
ResetTunnel();
const Util::string error = authInfo.GetError();
if (!error.empty()) {
BaseApp::ShowError(CDK_ERR_AUTH_ERROR,
_("Error authenticating"), "%s", error.c_str());
}
if (authInfo.GetAuthType() != BrokerXml::AUTH_DISCLAIMER &&
mCertState == CERT_REQUESTED) {
/*
* No pre-login message, and cert auth optional. We need to
* forget the cookies here, because get-configuration has
* moved in its auth chain past certificate auth to
* password/etc. auth. If we do a get-configuration again,
* it will remember that it had past cert auth and just ask
* for a password again, without looking at the certificate
* we gave it.
*/
Log("Got non-disclaimer auth method and cert was previously requested;"
" promting user for a certificate.\n");
mXml->ForgetCookies();
if (mDelegate) {
mDelegate->RequestCertificate(mTrustedIssuers);
}
return;
}
switch (authInfo.GetAuthType()) {
case BrokerXml::AUTH_DISCLAIMER:
if (mDelegate) {
mDelegate->RequestDisclaimer(authInfo.GetDisclaimer());
}
break;
case BrokerXml::AUTH_SECURID_PASSCODE:
if (mDelegate) {
bool readOnly = false;
Util::string username = authInfo.GetUsername(&readOnly);
if (!username.empty()) {
mUsername = username;
}
mDelegate->RequestPasscode(mUsername, !readOnly);
}
break;
case BrokerXml::AUTH_SECURID_NEXTTOKENCODE:
if (mDelegate) {
mDelegate->RequestNextTokencode(mUsername);
}
break;
case BrokerXml::AUTH_SECURID_PINCHANGE:
// This is a bit complicated, so defer to another function
OnAuthInfoPinChange(authInfo.params);
break;
case BrokerXml::AUTH_SECURID_WAIT:
BaseApp::ShowInfo(_("Your new RSA SecurID PIN has been set"),
_("Please wait for the next tokencode to appear"
" on your RSA SecurID token, then continue."));
if (mDelegate) {
mDelegate->RequestPasscode(mUsername, false);
}
break;
case BrokerXml::AUTH_WINDOWS_PASSWORD: {
bool readOnly = false;
Util::string user = authInfo.GetUsername(&readOnly);
if (mDelegate) {
mDelegate->RequestPassword(user.empty() ? mUsername : user, readOnly,
authInfo.GetDomains(), mDomain);