1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
|
/****************************************************************************
**
** Copyright (C) 2019 Luxoft Sweden AB
** Copyright (C) 2018 Pelagicore AG
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Application Manager.
**
** $QT_BEGIN_LICENSE:LGPL-QTAS$
** Commercial License Usage
** Licensees holding valid commercial Qt Automotive Suite licenses may use
** this file in accordance with the commercial license agreement provided
** with the Software or, alternatively, in accordance with the terms
** contained in a written agreement between you and The Qt Company. For
** licensing terms and conditions see https://www.qt.io/terms-conditions.
** For further information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
** SPDX-License-Identifier: LGPL-3.0
**
****************************************************************************/
#include <QFileInfo>
#include <QDataStream>
#include <QCryptographicHash>
#include <QByteArray>
#include <QString>
#include <archive.h>
#include "packageutilities.h"
#include "packageutilities_p.h"
#include "global.h"
#include "logging.h"
#include <clocale>
QT_BEGIN_NAMESPACE_AM
bool PackageUtilities::ensureCorrectLocale(QStringList *warnings)
{
Q_UNUSED(warnings)
return ensureCorrectLocale();
}
bool PackageUtilities::ensureCorrectLocale()
{
static bool once = false;
if (once)
return true;
once = true;
// We need to make sure we are running in a Unicode locale, since we are
// running into problems when unpacking packages with libarchive that
// contain non-ASCII characters.
// This has to be done *before* the QApplication constructor to avoid
// the initialization of the text codecs.
#if defined(Q_OS_WIN)
// Windows is UTF16
return true;
#else
// check if umlaut-a converts correctly
auto checkUtf = []() -> bool {
const wchar_t umlaut_w[2] = { 0x00e4, 0x0000 };
char umlaut_mb[2];
size_t umlaut_mb_len = wcstombs(umlaut_mb, umlaut_w, sizeof(umlaut_mb));
return (umlaut_mb_len == 2 && umlaut_mb[0] == '\xc3' && umlaut_mb[1] == '\xa4');
};
// init locales from env variables
setlocale(LC_ALL, "");
// check if this is enough to have an UTF-8 locale
if (checkUtf())
return true;
qCWarning(LogDeployment) << "The current locale is not UTF-8 capable. Trying to find a capable one now, "
"but this is time consuming and should be avoided";
// LC_ALL trumps all the rest, so if this is not specifying an UTF-8 locale, we need to unset it
QByteArray lc_all = qgetenv("LC_ALL");
if (!lc_all.isEmpty() && !(lc_all.endsWith(".UTF-8") || lc_all.endsWith(".UTF_8"))) {
unsetenv("LC_ALL");
setlocale(LC_ALL, "");
}
// check again
if (checkUtf())
return true;
// now the time-consuming part: trying to switch to a well-known UTF-8 locale
const char *locales[] = {
#if defined(Q_OS_MACOS) || defined(Q_OS_IOS)
"UTF-8"
#else
"C.UTF-8", "en_US.UTF-8"
#endif
};
for (const char *loc : locales) {
if (const char *old = setlocale(LC_CTYPE, loc)) {
if (checkUtf()) {
if (setenv("LC_CTYPE", loc, 1) == 0)
return true;
}
setlocale(LC_CTYPE, old);
}
}
return false;
#endif
}
bool PackageUtilities::checkCorrectLocale()
{
// see ensureCorrectLocale() above. Call this after the QApplication
// constructor as a sanity check.
#if defined(Q_OS_WIN)
return true;
#else
// check if umlaut-a converts correctly
return QString::fromUtf8("\xc3\xa4").toLocal8Bit() == "\xc3\xa4";
#endif
}
ArchiveException::ArchiveException(struct ::archive *ar, const char *errorString)
: Exception(Error::Archive, qSL("[libarchive] ") + qL1S(errorString) + qSL(": ") + QString::fromLocal8Bit(::archive_error_string(ar)))
{ }
QVariantMap PackageUtilities::headerDataForDigest = QVariantMap {
{ qSL("extraSigned"), QVariantMap() }
};
void PackageUtilities::addFileMetadataToDigest(const QString &entryFilePath, const QFileInfo &fi, QCryptographicHash &digest)
{
// (using QDataStream would be more readable, but it would make the algorithm Qt dependent)
QByteArray addToDigest = ((fi.isDir()) ? "D/" : "F/")
+ QByteArray::number(fi.isDir() ? 0 : fi.size())
+ '/' + entryFilePath.toUtf8();
digest.addData(addToDigest);
}
void PackageUtilities::addHeaderDataToDigest(const QVariantMap &header, QCryptographicHash &digest) Q_DECL_NOEXCEPT_EXPR(false)
{
for (auto it = headerDataForDigest.constBegin(); it != headerDataForDigest.constEnd(); ++it) {
if (header.contains(it.key())) {
QByteArray ba;
QDataStream ds(&ba, QDataStream::WriteOnly);
QVariant v = header.value(it.key());
if (!v.convert(it.value().metaType()))
throw Exception(Error::Package, "metadata field %1 has invalid type for digest calculation (cannot convert %2 to %3)")
.arg(it.key()).arg(header.value(it.key()).type()).arg(it.value().type());
ds << v;
digest.addData(ba);
}
}
}
QT_END_NAMESPACE_AM
|
