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/*
SPDX-License-Identifier: GPL-2.0-or-later
SPDX-FileCopyrightText: 2000 Caldera Systems Inc.
SPDX-FileCopyrightText: 2020-2021 Harald Sitter <sitter@kde.org>
SPDX-FileContributor: Matthew Peterson <mpeterson@caldera.com>
*/
#include "smburl.h"
#include "smb-logsettings.h"
#include <KConfig>
#include <KIO/Global>
#include <QDir>
#include <QHostAddress>
#include <QUrlQuery>
SMBUrl::SMBUrl(const QUrl &kurl)
: QUrl(kurl)
{
// We treat cifs as an alias but need to translate it to smb.
// https://bugs.kde.org/show_bug.cgi?id=327295
// It's not IANA registered and also libsmbc internally expects
// smb URIs so we do very broadly coerce cifs to smb.
// Also see SMBWorker::checkURL.
if (scheme() == "cifs") {
setScheme("smb");
}
updateCache();
}
SMBUrl::SMBUrl() = default;
SMBUrl::SMBUrl(const SMBUrl &other) = default;
SMBUrl::~SMBUrl() = default;
SMBUrl &SMBUrl::operator=(const SMBUrl &) = default;
void SMBUrl::addPath(const QString &filedir)
{
if (path().length() > 0 && path().at(path().length() - 1) != QLatin1Char('/')) {
QUrl::setPath(path() + QLatin1Char('/') + filedir);
} else {
QUrl::setPath(path() + filedir);
}
updateCache();
}
void SMBUrl::cdUp()
{
setUrl(KIO::upUrl(*this).url());
updateCache();
}
void SMBUrl::updateCache()
{
QUrl::setPath(QDir::cleanPath(path()));
// SMB URLs are UTF-8 encoded
qCDebug(KIO_SMB_LOG) << "updateCache " << QUrl::path();
QUrl sambaUrl(*this);
const QHostAddress address(sambaUrl.host());
switch (address.protocol()) {
case QAbstractSocket::IPv6Protocol: {
// Convert to Windows IPv6 literal to bypass limitations in samba.
// https://bugzilla.samba.org/show_bug.cgi?id=14297
// https://docs.microsoft.com/en-us/windows/win32/api/winnetwk/nf-winnetwk-wnetaddconnection2a
// https://devblogs.microsoft.com/oldnewthing/20100915-00/?p=12863
// https://www.samba.org/~idra/code/nss-ipv6literal/README.html
// https://ipv6-literal.com
QString literal = address.toString();
literal.replace(':', '-'); // address
literal.replace('%', 's'); // scope
if (literal.front() == '-') {
// Special prefix for [::f] so it doesn't start with a dash.
literal.prepend('0');
}
if (literal.back() == '-') {
// Special suffix, also cannot end with a dash.
literal.append('0');
}
literal += ".ipv6-literal.net"; // reserved host host
qCDebug(KIO_SMB_LOG) << "converting IPv6 to literal " << host() << literal;
sambaUrl.setHost(literal);
break;
}
case QAbstractSocket::IPv4Protocol:
case QAbstractSocket::AnyIPProtocol:
case QAbstractSocket::UnknownNetworkLayerProtocol:
break;
}
// NetBios workgroup names may contain characters that QUrl will not
// allow in a host. Yet the SMB URI requires us to have the workgroup
// in the host field when browsing a workgroup.
// As a hacky workaround we'll not set a host but use a query param
// when encountering a workgroup that causes QUrl to error out.
// For libsmbc we then need to translate the query back to SMB URI.
// Since this is super daft string construction it will doubltlessly
// be imperfect and so we do still prefer deferring the string
// construction to QUrl whenever possible.
// https://support.microsoft.com/en-gb/help/909264/naming-conventions-in-active-directory-for-computers-domains-sites-and
// https://bugs.kde.org/show_bug.cgi?id=204423
//
// Should we ever stop supporting workgroup browsing this entire
// hack can be removed.
QUrlQuery query(sambaUrl);
const QString workgroup = query.queryItemValue("kio-workgroup");
if (workgroup.isEmpty()) {
// If we don't have a hack to apply we can simply defer to QUrl
if (sambaUrl.url() == "smb:/") {
m_surl = "smb://";
} else {
m_surl = sambaUrl.toString(QUrl::PrettyDecoded).toUtf8();
}
} else {
// If we have a workgroup hack to apply we need to manually construct
// the stringy URI.
query.removeQueryItem("kio-workgroup");
sambaUrl.setQuery(query);
QString url;
url = "smb://";
if (!sambaUrl.userInfo().isEmpty()) {
url += sambaUrl.userInfo() + "@";
}
url += workgroup;
// Workgroups can have ports per the IANA definition of smb.
if (sambaUrl.port() != -1) {
url += ':' + QString::number(sambaUrl.port());
}
// Make sure to only use clear paths. libsmbc is allergic to excess slashes.
QString path('/');
if (!sambaUrl.host().isEmpty()) {
path += sambaUrl.host();
}
if (!sambaUrl.path().isEmpty()) {
path += sambaUrl.path();
}
url += QDir::cleanPath(path);
if (!sambaUrl.query().isEmpty()) {
url += '?' + sambaUrl.query();
}
if (!sambaUrl.fragment().isEmpty()) {
url += '#' + sambaUrl.fragment();
}
m_surl = url.toUtf8();
}
m_type = SMBURLTYPE_UNKNOWN;
// update m_type
(void)getType();
}
SMBUrlType SMBUrl::getType() const
{
if (m_type != SMBURLTYPE_UNKNOWN)
return m_type;
if (scheme() != "smb") {
m_type = SMBURLTYPE_UNKNOWN;
return m_type;
}
if (QUrlQuery query(*this); query.queryItemValue("kio-printer") == "true") {
return m_type = SMBURLTYPE_PRINTER;
}
if (path().isEmpty() || path(QUrl::FullyDecoded) == "/") {
if (host().isEmpty() && !query().contains("kio-workgroup"))
m_type = SMBURLTYPE_ENTIRE_NETWORK;
else
m_type = SMBURLTYPE_WORKGROUP_OR_SERVER;
return m_type;
}
// Check for the path if we get this far
m_type = SMBURLTYPE_SHARE_OR_PATH;
return m_type;
}
SMBUrl SMBUrl::partUrl() const
{
const bool isRemoteFile = m_type == SMBURLTYPE_SHARE_OR_PATH && !fileName().isEmpty();
const bool isLocalFile = scheme() == QLatin1String("file") && !fileName().isEmpty();
// Mind that filename doesn't necessarily mean it is a file.
if (isRemoteFile || isLocalFile) {
SMBUrl url(*this);
url.setPath(path() + QLatin1String(".part"));
return url;
}
return SMBUrl();
}
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