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/*
SPDX-License-Identifier: GPL-2.0-or-later
SPDX-FileCopyrightText: 2000 Caldera Systems Inc.
SPDX-FileCopyrightText: 2020 Harald Sitter <sitter@kde.org>
SPDX-FileContributor: Matthew Peterson <mpeterson@caldera.com>
*/
#include "smbauthenticator.h"
#include <KConfig>
#include <KConfigGroup>
#include <KIO/AuthInfo>
#include <KLocalizedString>
#include "smb-logsettings.h"
#include "smburl.h"
SMBAuthenticator::SMBAuthenticator(SMBAbstractFrontend &frontend)
: m_frontend(frontend)
{
}
QString SMBAuthenticator::defaultWorkgroup() const
{
return m_defaultWorkgroup;
}
void SMBAuthenticator::setDefaultWorkgroup(const QString &workGroup)
{
m_defaultWorkgroup = workGroup;
}
void SMBAuthenticator::auth(SMBCCTX *context,
const char *server,
const char *share,
char *workgroup,
int wgmaxlen,
char *username,
int unmaxlen,
char *password,
int pwmaxlen)
{
qCDebug(KIO_SMB_LOG) << "auth_smbc_get_dat: set user=" << username << ", workgroup=" << workgroup << " server=" << server << ", share=" << share;
QString s_server = QString::fromUtf8(server);
QString s_share = QString::fromUtf8(share);
workgroup[wgmaxlen - 1] = 0;
QString s_workgroup = QString::fromUtf8(workgroup);
username[unmaxlen - 1] = 0;
QString s_username = QString::fromUtf8(username);
password[pwmaxlen - 1] = 0;
QString s_password = QString::fromUtf8(password);
KIO::AuthInfo info;
info.url = QUrl("smb:///");
info.url.setHost(s_server);
info.url.setPath('/' + s_share);
// check this to see if we "really" need to authenticate...
if (SMBUrl(info.url).getType() == SMBURLTYPE_ENTIRE_NETWORK) {
qCDebug(KIO_SMB_LOG) << "we don't really need to authenticate for this top level url, returning";
return;
}
info.username = s_username;
info.password = s_password;
info.verifyPath = true;
qCDebug(KIO_SMB_LOG) << "libsmb-auth-callback URL:" << info.url;
// NOTE: By suggestion from upstream we do not default to any amount of
// anonymous/guest logins as it's not safe to do in many environments:
// https://bugzilla.samba.org/show_bug.cgi?id=14326
if (m_frontend.checkCachedAuthentication(info)) {
qCDebug(KIO_SMB_LOG) << "got password through cache" << info.username;
} else if (!m_defaultUser.isEmpty()) {
// user defined a default username/password in kcontrol; try this
info.username = m_defaultUser;
info.password = m_defaultPassword;
qCDebug(KIO_SMB_LOG) << "trying defaults for user" << info.username;
}
// Make sure it'll be safe to cast to size_t (unsigned)
Q_ASSERT(unmaxlen > 0);
Q_ASSERT(pwmaxlen > 0);
strncpy(username, info.username.toUtf8(), static_cast<size_t>(unmaxlen - 1));
strncpy(password, info.password.toUtf8(), static_cast<size_t>(pwmaxlen - 1));
smbc_set_credentials_with_fallback(context, workgroup, username, password);
}
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